diff options
| author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-13 12:03:59 +0000 |
|---|---|---|
| committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-13 12:03:59 +0000 |
| commit | 6a4f0ff0d7eb0f05fe78fa620bc58f325c7b782d (patch) | |
| tree | 3d2edadc3093a9c90ddff8e939b02ed3737fb28f /target/linux/gemini | |
| parent | 9f4775aa7200cc5e241db6a748cec9f9641e2f06 (diff) | |
gemini: add support for 3.3
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31698 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/gemini')
18 files changed, 4910 insertions, 0 deletions
diff --git a/target/linux/gemini/config-3.3 b/target/linux/gemini/config-3.3 new file mode 100644 index 000000000..66026c880 --- /dev/null +++ b/target/linux/gemini/config-3.3 @@ -0,0 +1,147 @@ +CONFIG_ALIGNMENT_TRAP=y +CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y +CONFIG_ARCH_GEMINI=y +CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y +CONFIG_ARCH_NR_GPIO=0 +# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set +CONFIG_ARCH_REQUIRE_GPIOLIB=y +# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set +# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +CONFIG_ARCH_USES_GETTIMEOFFSET=y +CONFIG_ARM=y +# CONFIG_ARM_CPU_SUSPEND is not set +CONFIG_ARM_L1_CACHE_SHIFT=5 +CONFIG_ARM_NR_BANKS=8 +CONFIG_ARM_PATCH_PHYS_VIRT=y +# CONFIG_ARPD is not set +CONFIG_ATA=m +CONFIG_BCMA_POSSIBLE=y +# CONFIG_CACHE_L2X0 is not set +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,19200 mem=32M" +CONFIG_CMDLINE_FROM_BOOTLOADER=y +CONFIG_CPU_32v4=y +CONFIG_CPU_ABRT_EV4=y +# CONFIG_CPU_BPREDICT_DISABLE is not set +CONFIG_CPU_CACHE_FA=y +CONFIG_CPU_CACHE_VIVT=y +CONFIG_CPU_COPY_FA=y +CONFIG_CPU_CP15=y +CONFIG_CPU_CP15_MMU=y +# CONFIG_CPU_DCACHE_WRITETHROUGH is not set +CONFIG_CPU_FA526=y +# CONFIG_CPU_ICACHE_DISABLE is not set +CONFIG_CPU_PABRT_LEGACY=y +CONFIG_CPU_TLB_FA=y +CONFIG_CPU_USE_DOMAINS=y +# CONFIG_DEBUG_USER is not set +CONFIG_DECOMPRESS_LZMA=y +CONFIG_DLCI=m +CONFIG_DLCI_MAX=8 +CONFIG_DMADEVICES=y +CONFIG_DNOTIFY=y +# CONFIG_DSCC4 is not set +# CONFIG_FARSYNC is not set +CONFIG_FRAME_POINTER=y +CONFIG_GEMINI_MEM_SWAP=y +CONFIG_GEMINI_NET_ENGINE_GMAC=y +CONFIG_GEMINI_WATCHDOG=y +CONFIG_GENERIC_ATOMIC64=y +CONFIG_GENERIC_BUG=y +# CONFIG_GENERIC_CPU_DEVICES is not set +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_IRQ_SHOW=y +CONFIG_GENERIC_PCI_IOMAP=y +CONFIG_GPIOLIB=y +CONFIG_GPIO_SYSFS=y +# CONFIG_HAMRADIO is not set +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAVE_AOUT=y +CONFIG_HAVE_ARCH_KGDB=y +CONFIG_HAVE_ARCH_PFN_VALID=y +CONFIG_HAVE_C_RECORDMCOUNT=y +CONFIG_HAVE_DMA_API_DEBUG=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_HAVE_GENERIC_HARDIRQS=y +CONFIG_HAVE_IDE=y +CONFIG_HAVE_IRQ_WORK=y +CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_LZMA=y +CONFIG_HAVE_KERNEL_LZO=y +CONFIG_HAVE_KERNEL_XZ=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_HAVE_MEMBLOCK=y +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_PERF_EVENTS=y +CONFIG_HAVE_PROC_CPU=y +CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y +CONFIG_HAVE_SPARSE_IRQ=y +CONFIG_HDLC=m +CONFIG_HDLC_CISCO=m +CONFIG_HDLC_FR=m +CONFIG_HDLC_PPP=m +CONFIG_HDLC_RAW=m +CONFIG_HWMON=y +# CONFIG_HWMON_DEBUG_CHIP is not set +CONFIG_HW_RANDOM=y +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y +# CONFIG_I2C_PXA_PCI is not set +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_PIMSM_V1=y +CONFIG_IP_PIMSM_V2=y +CONFIG_KTIME_SCALAR=y +# CONFIG_LEDS_GPIO is not set +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 +CONFIG_MACH_NAS4220B=y +CONFIG_MACH_RUT100=y +CONFIG_MACH_WBD111=y +CONFIG_MACH_WBD222=y +CONFIG_MDIO_BITBANG=y +CONFIG_MDIO_BOARDINFO=y +CONFIG_MDIO_GPIO=y +CONFIG_MIGHT_HAVE_PCI=y +# CONFIG_MLX4_CORE is not set +CONFIG_MTD_PHYSMAP=y +CONFIG_MTD_REDBOOT_PARTS=y +CONFIG_NEED_DMA_MAP_STATE=y +CONFIG_NEED_PER_CPU_KM=y +CONFIG_NLS=m +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_PAGE_OFFSET=0xC0000000 +CONFIG_PCI=y +CONFIG_PERF_USE_VMALLOC=y +CONFIG_PHYLIB=y +# CONFIG_PREEMPT_RCU is not set +# CONFIG_QUOTACTL is not set +CONFIG_SCSI=m +CONFIG_SCSI_MOD=m +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SENSORS_SCH56XX_COMMON is not set +CONFIG_SPLIT_PTLOCK_CPUS=999999 +CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_UID16=y +CONFIG_USB=m +CONFIG_USB_ARCH_HAS_XHCI=y +CONFIG_USB_COMMON=m +# CONFIG_USB_EHCI_HCD is not set +CONFIG_USB_SUPPORT=y +# CONFIG_USB_UHCI_HCD is not set +CONFIG_VECTORS_BASE=0xffff0000 +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_WAN=y +CONFIG_XZ_DEC=y +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/gemini/patches-3.3/001-gemini-fix-gpio_set_irq_type.patch b/target/linux/gemini/patches-3.3/001-gemini-fix-gpio_set_irq_type.patch new file mode 100644 index 000000000..0dd9ea6bf --- /dev/null +++ b/target/linux/gemini/patches-3.3/001-gemini-fix-gpio_set_irq_type.patch @@ -0,0 +1,11 @@ +--- a/arch/arm/mach-gemini/gpio.c ++++ b/arch/arm/mach-gemini/gpio.c +@@ -120,7 +120,7 @@ static int gpio_set_irq_type(struct irq_ + __raw_writel(reg_level, base + GPIO_INT_LEVEL); + __raw_writel(reg_both, base + GPIO_INT_BOTH_EDGE); + +- gpio_ack_irq(d->irq); ++ gpio_ack_irq(d); + + return 0; + } diff --git a/target/linux/gemini/patches-3.3/002-arm-gemini-fix-platform_register_rtc-prototype.patch b/target/linux/gemini/patches-3.3/002-arm-gemini-fix-platform_register_rtc-prototype.patch new file mode 100644 index 000000000..f789f77fd --- /dev/null +++ b/target/linux/gemini/patches-3.3/002-arm-gemini-fix-platform_register_rtc-prototype.patch @@ -0,0 +1,23 @@ +--- a/arch/arm/mach-gemini/common.h ++++ b/arch/arm/mach-gemini/common.h +@@ -18,9 +18,9 @@ extern void gemini_map_io(void); + extern void gemini_init_irq(void); + extern void gemini_timer_init(void); + extern void gemini_gpio_init(void); +-extern void platform_register_rtc(void); + + /* Common platform devices registration functions */ ++extern int platform_register_rtc(void); + extern int platform_register_uart(void); + extern int platform_register_pflash(unsigned int size, + struct mtd_partition *parts, +--- a/arch/arm/mach-gemini/devices.c ++++ b/arch/arm/mach-gemini/devices.c +@@ -17,6 +17,7 @@ + #include <mach/irqs.h> + #include <mach/hardware.h> + #include <mach/global_reg.h> ++#include "common.h" + + static struct plat_serial8250_port serial_platform_data[] = { + { diff --git a/target/linux/gemini/patches-3.3/110-watchdog-add-gemini_wdt-driver.patch b/target/linux/gemini/patches-3.3/110-watchdog-add-gemini_wdt-driver.patch new file mode 100644 index 000000000..e0519e28e --- /dev/null +++ b/target/linux/gemini/patches-3.3/110-watchdog-add-gemini_wdt-driver.patch @@ -0,0 +1,410 @@ +--- /dev/null ++++ b/drivers/watchdog/gemini_wdt.c +@@ -0,0 +1,378 @@ ++/* ++ * Watchdog driver for Cortina Systems Gemini SoC ++ * ++ * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/io.h> ++#include <linux/fs.h> ++#include <linux/uaccess.h> ++#include <linux/miscdevice.h> ++#include <linux/platform_device.h> ++#include <linux/watchdog.h> ++#include <linux/slab.h> ++ ++#define GEMINI_WDCOUNTER 0x0 ++#define GEMINI_WDLOAD 0x4 ++#define GEMINI_WDRESTART 0x8 ++ ++#define WDRESTART_MAGIC 0x5AB9 ++ ++#define GEMINI_WDCR 0xC ++ ++#define WDCR_CLOCK_5MHZ (1 << 4) ++#define WDCR_SYS_RST (1 << 1) ++#define WDCR_ENABLE (1 << 0) ++ ++#define WDT_CLOCK 5000000 /* 5 MHz */ ++#define WDT_DEFAULT_TIMEOUT 13 ++#define WDT_MAX_TIMEOUT (0xFFFFFFFF / WDT_CLOCK) ++ ++/* status bits */ ++#define WDT_ACTIVE 0 ++#define WDT_OK_TO_CLOSE 1 ++ ++static unsigned int timeout = WDT_DEFAULT_TIMEOUT; ++static int nowayout = WATCHDOG_NOWAYOUT; ++ ++static DEFINE_SPINLOCK(gemini_wdt_lock); ++ ++static struct platform_device *gemini_wdt_dev; ++ ++struct gemini_wdt_struct { ++ struct resource *res; ++ struct device *dev; ++ void __iomem *base; ++ unsigned long status; ++}; ++ ++static struct watchdog_info gemini_wdt_info = { ++ .identity = "Gemini watchdog", ++ .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING | ++ WDIOF_SETTIMEOUT, ++}; ++ ++/* Disable the watchdog. */ ++static void gemini_wdt_stop(struct gemini_wdt_struct *gemini_wdt) ++{ ++ spin_lock(&gemini_wdt_lock); ++ ++ __raw_writel(0, gemini_wdt->base + GEMINI_WDCR); ++ ++ clear_bit(WDT_ACTIVE, &gemini_wdt->status); ++ ++ spin_unlock(&gemini_wdt_lock); ++} ++ ++/* Service the watchdog */ ++static void gemini_wdt_service(struct gemini_wdt_struct *gemini_wdt) ++{ ++ __raw_writel(WDRESTART_MAGIC, gemini_wdt->base + GEMINI_WDRESTART); ++} ++ ++/* Enable and reset the watchdog. */ ++static void gemini_wdt_start(struct gemini_wdt_struct *gemini_wdt) ++{ ++ spin_lock(&gemini_wdt_lock); ++ ++ __raw_writel(timeout * WDT_CLOCK, gemini_wdt->base + GEMINI_WDLOAD); ++ ++ gemini_wdt_service(gemini_wdt); ++ ++ /* set clock before enabling */ ++ __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST, ++ gemini_wdt->base + GEMINI_WDCR); ++ ++ __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST | WDCR_ENABLE, ++ gemini_wdt->base + GEMINI_WDCR); ++ ++ set_bit(WDT_ACTIVE, &gemini_wdt->status); ++ ++ spin_unlock(&gemini_wdt_lock); ++} ++ ++/* Watchdog device is opened, and watchdog starts running. */ ++static int gemini_wdt_open(struct inode *inode, struct file *file) ++{ ++ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(gemini_wdt_dev); ++ ++ if (test_bit(WDT_ACTIVE, &gemini_wdt->status)) ++ return -EBUSY; ++ ++ file->private_data = gemini_wdt; ++ ++ gemini_wdt_start(gemini_wdt); ++ ++ return nonseekable_open(inode, file); ++} ++ ++/* Close the watchdog device. */ ++static int gemini_wdt_close(struct inode *inode, struct file *file) ++{ ++ struct gemini_wdt_struct *gemini_wdt = file->private_data; ++ ++ /* Disable the watchdog if possible */ ++ if (test_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status)) ++ gemini_wdt_stop(gemini_wdt); ++ else ++ dev_warn(gemini_wdt->dev, "Device closed unexpectedly - timer will not stop\n"); ++ ++ return 0; ++} ++ ++/* Handle commands from user-space. */ ++static long gemini_wdt_ioctl(struct file *file, unsigned int cmd, ++ unsigned long arg) ++{ ++ struct gemini_wdt_struct *gemini_wdt = file->private_data; ++ ++ int value; ++ ++ switch (cmd) { ++ case WDIOC_KEEPALIVE: ++ gemini_wdt_service(gemini_wdt); ++ return 0; ++ ++ case WDIOC_GETSUPPORT: ++ return copy_to_user((struct watchdog_info *)arg, &gemini_wdt_info, ++ sizeof(gemini_wdt_info)) ? -EFAULT : 0; ++ ++ case WDIOC_SETTIMEOUT: ++ if (get_user(value, (int *)arg)) ++ return -EFAULT; ++ ++ if ((value < 1) || (value > WDT_MAX_TIMEOUT)) ++ return -EINVAL; ++ ++ timeout = value; ++ ++ /* restart wdt to use new timeout */ ++ gemini_wdt_stop(gemini_wdt); ++ gemini_wdt_start(gemini_wdt); ++ ++ /* Fall through */ ++ case WDIOC_GETTIMEOUT: ++ return put_user(timeout, (int *)arg); ++ ++ case WDIOC_GETTIMELEFT: ++ value = __raw_readl(gemini_wdt->base + GEMINI_WDCOUNTER); ++ return put_user(value / WDT_CLOCK, (int *)arg); ++ ++ default: ++ return -ENOTTY; ++ } ++} ++ ++/* Refresh the watchdog whenever device is written to. */ ++static ssize_t gemini_wdt_write(struct file *file, const char *data, ++ size_t len, loff_t *ppos) ++{ ++ struct gemini_wdt_struct *gemini_wdt = file->private_data; ++ ++ if (len) { ++ if (!nowayout) { ++ size_t i; ++ ++ clear_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status); ++ for (i = 0; i != len; i++) { ++ char c; ++ ++ if (get_user(c, data + i)) ++ return -EFAULT; ++ if (c == 'V') ++ set_bit(WDT_OK_TO_CLOSE, ++ &gemini_wdt->status); ++ } ++ } ++ gemini_wdt_service(gemini_wdt); ++ } ++ ++ return len; ++} ++ ++static const struct file_operations gemini_wdt_fops = { ++ .owner = THIS_MODULE, ++ .llseek = no_llseek, ++ .unlocked_ioctl = gemini_wdt_ioctl, ++ .open = gemini_wdt_open, ++ .release = gemini_wdt_close, ++ .write = gemini_wdt_write, ++}; ++ ++static struct miscdevice gemini_wdt_miscdev = { ++ .minor = WATCHDOG_MINOR, ++ .name = "watchdog", ++ .fops = &gemini_wdt_fops, ++}; ++ ++static void gemini_wdt_shutdown(struct platform_device *pdev) ++{ ++ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev); ++ ++ gemini_wdt_stop(gemini_wdt); ++} ++ ++static int __devinit gemini_wdt_probe(struct platform_device *pdev) ++{ ++ int ret; ++ int res_size; ++ struct resource *res; ++ void __iomem *base; ++ struct gemini_wdt_struct *gemini_wdt; ++ unsigned int reg; ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!res) { ++ dev_err(&pdev->dev, "can't get device resources\n"); ++ return -ENODEV; ++ } ++ ++ res_size = resource_size(res); ++ if (!request_mem_region(res->start, res_size, res->name)) { ++ dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n", ++ res_size, res->start); ++ return -ENOMEM; ++ } ++ ++ base = ioremap(res->start, res_size); ++ if (!base) { ++ dev_err(&pdev->dev, "ioremap failed\n"); ++ ret = -EIO; ++ goto fail0; ++ } ++ ++ gemini_wdt = kzalloc(sizeof(struct gemini_wdt_struct), GFP_KERNEL); ++ if (!gemini_wdt) { ++ dev_err(&pdev->dev, "can't allocate interface\n"); ++ ret = -ENOMEM; ++ goto fail1; ++ } ++ ++ /* Setup gemini_wdt driver structure */ ++ gemini_wdt->base = base; ++ gemini_wdt->res = res; ++ ++ /* Set up platform driver data */ ++ platform_set_drvdata(pdev, gemini_wdt); ++ gemini_wdt_dev = pdev; ++ ++ if (gemini_wdt_miscdev.parent) { ++ ret = -EBUSY; ++ goto fail2; ++ } ++ ++ gemini_wdt_miscdev.parent = &pdev->dev; ++ ++ reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR); ++ if (reg & WDCR_ENABLE) { ++ /* Watchdog was enabled by the bootloader, disable it. */ ++ reg &= ~(WDCR_ENABLE); ++ __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR); ++ } ++ ++ ret = misc_register(&gemini_wdt_miscdev); ++ if (ret) ++ goto fail2; ++ ++ return 0; ++ ++fail2: ++ platform_set_drvdata(pdev, NULL); ++ kfree(gemini_wdt); ++fail1: ++ iounmap(base); ++fail0: ++ release_mem_region(res->start, res_size); ++ ++ return ret; ++} ++ ++static int __devexit gemini_wdt_remove(struct platform_device *pdev) ++{ ++ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev); ++ ++ platform_set_drvdata(pdev, NULL); ++ misc_deregister(&gemini_wdt_miscdev); ++ gemini_wdt_dev = NULL; ++ iounmap(gemini_wdt->base); ++ release_mem_region(gemini_wdt->res->start, resource_size(gemini_wdt->res)); ++ ++ kfree(gemini_wdt); ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM ++static int gemini_wdt_suspend(struct platform_device *pdev, pm_message_t message) ++{ ++ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev); ++ unsigned int reg; ++ ++ reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR); ++ reg &= ~(WDCR_WDENABLE); ++ __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR); ++ ++ return 0; ++} ++ ++static int gemini_wdt_resume(struct platform_device *pdev) ++{ ++ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev); ++ unsigned int reg; ++ ++ if (gemini_wdt->status) { ++ reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR); ++ reg |= WDCR_WDENABLE; ++ __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR); ++ } ++ ++ return 0; ++} ++#else ++#define gemini_wdt_suspend NULL ++#define gemini_wdt_resume NULL ++#endif ++ ++static struct platform_driver gemini_wdt_driver = { ++ .probe = gemini_wdt_probe, ++ .remove = __devexit_p(gemini_wdt_remove), ++ .shutdown = gemini_wdt_shutdown, ++ .suspend = gemini_wdt_suspend, ++ .resume = gemini_wdt_resume, ++ .driver = { ++ .name = "gemini-wdt", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init gemini_wdt_init(void) ++{ ++ return platform_driver_probe(&gemini_wdt_driver, gemini_wdt_probe); ++} ++ ++static void __exit gemini_wdt_exit(void) ++{ ++ platform_driver_unregister(&gemini_wdt_driver); ++} ++ ++module_init(gemini_wdt_init); ++module_exit(gemini_wdt_exit); ++ ++module_param(timeout, uint, 0); ++MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds"); ++ ++module_param(nowayout, int, 0); ++MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started"); ++ ++MODULE_AUTHOR("Paulius Zaleckas"); ++MODULE_DESCRIPTION("Watchdog driver for Gemini"); ++MODULE_LICENSE("GPL"); ++MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); ++MODULE_ALIAS("platform:gemini-wdt"); +--- a/drivers/watchdog/Kconfig ++++ b/drivers/watchdog/Kconfig +@@ -127,6 +127,16 @@ config 977_WATCHDOG + + Not sure? It's safe to say N. + ++config GEMINI_WATCHDOG ++ tristate "Gemini watchdog" ++ depends on ARCH_GEMINI ++ help ++ Say Y here if to include support for the watchdog timer ++ embedded in the Cortina Systems Gemini family of devices. ++ ++ To compile this driver as a module, choose M here: the ++ module will be called gemini_wdt. ++ + config IXP2000_WATCHDOG + tristate "IXP2000 Watchdog" + depends on ARCH_IXP2000 +--- a/drivers/watchdog/Makefile ++++ b/drivers/watchdog/Makefile +@@ -36,6 +36,7 @@ obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt. + obj-$(CONFIG_TWL4030_WATCHDOG) += twl4030_wdt.o + obj-$(CONFIG_21285_WATCHDOG) += wdt285.o + obj-$(CONFIG_977_WATCHDOG) += wdt977.o ++obj-$(CONFIG_GEMINI_WATCHDOG) += gemini_wdt.o + obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o + obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o + obj-$(CONFIG_KS8695_WATCHDOG) += ks8695_wdt.o diff --git a/target/linux/gemini/patches-3.3/111-arm-gemini-add-watchdog-device.patch b/target/linux/gemini/patches-3.3/111-arm-gemini-add-watchdog-device.patch new file mode 100644 index 000000000..faedfe029 --- /dev/null +++ b/target/linux/gemini/patches-3.3/111-arm-gemini-add-watchdog-device.patch @@ -0,0 +1,32 @@ +--- a/arch/arm/mach-gemini/devices.c ++++ b/arch/arm/mach-gemini/devices.c +@@ -117,3 +117,20 @@ int __init platform_register_rtc(void) + return platform_device_register(&gemini_rtc_device); + } + ++static struct resource wdt_resource = { ++ .start = GEMINI_WAQTCHDOG_BASE, ++ .end = GEMINI_WAQTCHDOG_BASE + 0x18, ++ .flags = IORESOURCE_MEM, ++}; ++ ++static struct platform_device wdt_device = { ++ .name = "gemini-wdt", ++ .id = 0, ++ .resource = &wdt_resource, ++ .num_resources = 1, ++}; ++ ++int __init platform_register_watchdog(void) ++{ ++ return platform_device_register(&wdt_device); ++} +--- a/arch/arm/mach-gemini/common.h ++++ b/arch/arm/mach-gemini/common.h +@@ -25,5 +25,6 @@ extern int platform_register_uart(void); + extern int platform_register_pflash(unsigned int size, + struct mtd_partition *parts, + unsigned int nr_parts); ++extern int platform_register_watchdog(void); + + #endif /* __GEMINI_COMMON_H__ */ diff --git a/target/linux/gemini/patches-3.3/112-arm-gemini-register-watchdog-devices.patch b/target/linux/gemini/patches-3.3/112-arm-gemini-register-watchdog-devices.patch new file mode 100644 index 000000000..2903caf0e --- /dev/null +++ b/target/linux/gemini/patches-3.3/112-arm-gemini-register-watchdog-devices.patch @@ -0,0 +1,40 @@ +--- a/arch/arm/mach-gemini/board-nas4220b.c ++++ b/arch/arm/mach-gemini/board-nas4220b.c +@@ -99,6 +99,7 @@ static void __init ib4220b_init(void) + platform_device_register(&ib4220b_led_device); + platform_device_register(&ib4220b_key_device); + platform_register_rtc(); ++ platform_register_watchdog(); + } + + MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B") +--- a/arch/arm/mach-gemini/board-wbd111.c ++++ b/arch/arm/mach-gemini/board-wbd111.c +@@ -126,6 +126,7 @@ static void __init wbd111_init(void) + platform_device_register(&wbd111_leds_device); + platform_device_register(&wbd111_keys_device); + platform_register_rtc(); ++ platform_register_watchdog(); + } + + MACHINE_START(WBD111, "Wiliboard WBD-111") +--- a/arch/arm/mach-gemini/board-wbd222.c ++++ b/arch/arm/mach-gemini/board-wbd222.c +@@ -126,6 +126,7 @@ static void __init wbd222_init(void) + platform_device_register(&wbd222_leds_device); + platform_device_register(&wbd222_keys_device); + platform_register_rtc(); ++ platform_register_watchdog(); + } + + MACHINE_START(WBD222, "Wiliboard WBD-222") +--- a/arch/arm/mach-gemini/board-rut1xx.c ++++ b/arch/arm/mach-gemini/board-rut1xx.c +@@ -83,6 +83,7 @@ static void __init rut1xx_init(void) + platform_device_register(&rut1xx_leds); + platform_device_register(&rut1xx_keys_device); + platform_register_rtc(); ++ platform_register_watchdog(); + } + + MACHINE_START(RUT100, "Teltonika RUT100") diff --git a/target/linux/gemini/patches-3.3/120-net-add-gemini-gmac-driver.patch b/target/linux/gemini/patches-3.3/120-net-add-gemini-gmac-driver.patch new file mode 100644 index 000000000..67eedbfd8 --- /dev/null +++ b/target/linux/gemini/patches-3.3/120-net-add-gemini-gmac-driver.patch @@ -0,0 +1,2901 @@ +--- /dev/null ++++ b/arch/arm/mach-gemini/include/mach/gmac.h +@@ -0,0 +1,21 @@ ++/* ++ * Gemini GMAC specific defines ++ * ++ * Copyright (C) 2008, Paulius Zaleckas <paulius.zaleckas@teltonika.lt> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++#ifndef __MACH_GMAC_H__ ++#define __MACH_GMAC_H__ ++ ++#include <linux/phy.h> ++ ++struct gemini_gmac_platform_data { ++ char *bus_id[2]; /* NULL means that this port is not used */ ++ phy_interface_t interface[2]; ++}; ++ ++#endif /* __MACH_GMAC_H__ */ +--- /dev/null ++++ b/drivers/net/gemini_negmac/gm_gmac.c +@@ -0,0 +1,1351 @@ ++/* ++ * Ethernet device driver for Gemini SoC. ++ * ++ * Copyright (C) 2006, Storlink, Corp. ++ * Copyright (C) 2008-2009, Paulius Zaleckas <paulius.zaleckas@teltonika.lt> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/platform_device.h> ++#include <linux/slab.h> ++#include <linux/mm.h> ++#include <linux/compiler.h> ++#include <linux/dma-mapping.h> ++#include <linux/init.h> ++#include <linux/ioport.h> ++#include <linux/netdevice.h> ++#include <linux/etherdevice.h> ++#include <linux/rtnetlink.h> ++#include <linux/delay.h> ++#include <linux/ethtool.h> ++#include <linux/mii.h> ++#include <linux/phy.h> ++#include <linux/irq.h> ++#include <linux/interrupt.h> ++#include <linux/completion.h> ++#include <linux/kthread.h> ++#include <linux/io.h> ++#include <mach/hardware.h> ++#include <linux/semaphore.h> ++#include <mach/irqs.h> ++#include <linux/skbuff.h> ++#include <linux/in.h> ++#include <linux/ip.h> ++#include <linux/tcp.h> ++#include <linux/udp.h> ++#include <mach/gmac.h> ++ ++#include "gm_gmac.h" ++ ++/* #define GMAX_TX_INTR_DISABLED */ ++/* #define DO_HW_CHKSUM */ ++/* #define ENABLE_TSO */ ++#define GMAC_USE_TXQ0 ++/* #define GMAC_LEN_1_2_ISSUE */ ++ ++#define DEFAULT_RXQ_MAX_CNT 256 ++ ++/* define chip information */ ++#define DRV_VERSION "0.2" ++#define SL351x_DRIVER_NAME "Gemini Ethernet driver " DRV_VERSION ++ ++#ifdef GMAC_LEN_1_2_ISSUE ++ #define _DEBUG_PREFETCH_NUM 256 ++static int _debug_prefetch_cnt; ++static char _debug_prefetch_buf[_DEBUG_PREFETCH_NUM][4] __attribute__((aligned(4))); ++#endif ++ ++static inline void gmac_write_reg(void __iomem *base, unsigned int offset, ++ unsigned int data, unsigned int bit_mask) ++{ ++ unsigned int reg_val; ++ ++ reg_val = (__raw_readl(base + offset) & (~bit_mask)) | (data & bit_mask); ++ __raw_writel(reg_val, base + offset); ++} ++ ++/*---------------------------------------------------------------------- ++* toe_init_free_queue ++* (1) Initialize the Free Queue Descriptor Base Address & size ++* Register: TOE_GLOBAL_BASE + 0x0004 ++* (2) Initialize DMA Read/Write pointer for ++* SW Free Queue and HW Free Queue ++* (3) Initialize DMA Descriptors for ++* SW Free Queue and HW Free Queue, ++*----------------------------------------------------------------------*/ ++static void toe_init_free_queue(struct toe_private *toe) ++{ ++ int i; ++ DMA_RWPTR_T rwptr_reg; ++ void *desc_buf; ++ GMAC_RXDESC_T *sw_desc_ptr; ++ struct sk_buff *skb; ++ ++ desc_buf = dma_alloc_coherent(toe->dev, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T), ++ &toe->sw_freeq_desc_base_dma, GFP_KERNEL); ++ sw_desc_ptr = (GMAC_RXDESC_T *)desc_buf; ++ if (!desc_buf) { ++ dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__); ++ return; ++ } ++ memset(desc_buf, 0, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T)); ++ ++ /* DMA Queue Base & Size */ ++ __raw_writel((toe->sw_freeq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_SW_FREEQ_DESC_POWER, ++ toe->global_base + GLOBAL_SW_FREEQ_BASE_SIZE_REG); ++ ++ /* init descriptor base */ ++ toe->swfq_desc_base = (unsigned int)desc_buf; ++ ++ /* SW Free Queue Descriptors */ ++ for (i = 0; i < TOE_SW_FREEQ_DESC_NUM; i++) { ++ sw_desc_ptr->word0.bits.buffer_size = SW_RX_BUF_SIZE; ++ skb = dev_alloc_skb(SW_RX_BUF_SIZE); /* allocate socket buffer */ ++ if (!skb) { ++ dev_err(toe->dev, "%s::skb buffer allocation fail\n", __func__); ++ return; ++ } ++ REG32(skb->data) = (unsigned int)skb; ++ skb_reserve(skb, SKB_RESERVE_BYTES); ++ sw_desc_ptr->word2.buf_adr = dma_map_single(toe->dev, skb->data, ++ SW_RX_BUF_SIZE - SKB_RESERVE_BYTES, ++ DMA_FROM_DEVICE); ++ sw_desc_ptr++; ++ } ++ ++ dma_sync_single_for_device(toe->dev, toe->sw_freeq_desc_base_dma, ++ TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T), ++ DMA_TO_DEVICE); ++ ++ /* SW Free Queue Read/Write Pointer */ ++ rwptr_reg.bits.wptr = TOE_SW_FREEQ_DESC_NUM - 1; ++ rwptr_reg.bits.rptr = 0; ++ __raw_writel(rwptr_reg.bits32, toe->global_base + GLOBAL_SWFQ_RWPTR_REG); ++ ++ /* DMA Queue Base & Size */ ++ __raw_writel(TOE_HW_FREEQ_DESC_POWER, ++ toe->global_base + GLOBAL_HW_FREEQ_BASE_SIZE_REG); ++ rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1; ++ rwptr_reg.bits.rptr = 0; ++ __raw_writel(rwptr_reg.bits32, toe->global_base + GLOBAL_HWFQ_RWPTR_REG); ++} ++ ++/*---------------------------------------------------------------------- ++* toe_init_swtx_queue ++* (2) Initialize the GMAC 0/1 SW TXQ Queue Descriptor Base Address & sizeup ++* GMAC_SW_TX_QUEUE_BASE_REG(0x0050) ++* (2) Initialize DMA Read/Write pointer for ++* GMAC 0/1 SW TX Q0-5 ++*----------------------------------------------------------------------*/ ++static void toe_init_swtx_queue(struct net_device *dev) ++{ ++ int i; ++ struct gmac_private *gmac = netdev_priv(dev); ++ struct toe_private *toe = dev->ml_priv; ++ DMA_RWPTR_T rwptr_reg; ++ unsigned int rwptr_addr; ++ void *desc_buf; ++ unsigned int offset; ++ ++ desc_buf = dma_alloc_coherent(toe->dev, TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T), ++ &gmac->swtxq_desc_base_dma, GFP_KERNEL); ++ gmac->swtxq_desc_base = (unsigned int)desc_buf; ++ if (!desc_buf) { ++ dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__); ++ return; ++ } ++ memset(desc_buf, 0, TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T)); ++ dma_sync_single_for_device(toe->dev, gmac->swtxq_desc_base_dma, ++ TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T), ++ DMA_TO_DEVICE); ++ __raw_writel((gmac->swtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC_SWTXQ_DESC_POWER, ++ gmac->dma_base_addr + GMAC_SW_TX_QUEUE_BASE_REG); ++ ++ /* GMAC0 SW TX Q0-Q5 */ ++ offset = 0; ++ rwptr_reg.bits.wptr = 0; ++ rwptr_reg.bits.rptr = 0; ++ rwptr_addr = gmac->dma_base_addr + GMAC_SW_TX_QUEUE0_PTR_REG; ++ for (i = 0; i < TOE_SW_TXQ_NUM; i++) { ++ gmac->swtxq[i].rwptr_reg = rwptr_addr; ++ gmac->swtxq[i].desc_base_dma = (unsigned int)gmac->swtxq_desc_base_dma + offset; ++ gmac->swtxq[i].desc_base = (unsigned int)desc_buf + offset; ++ offset += TOE_GMAC_SWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T); ++ __raw_writel(rwptr_reg.bits32, rwptr_addr); ++ rwptr_addr += 4; ++ } ++} ++ ++/*---------------------------------------------------------------------- ++* toe_init_default_queue ++* (1) Initialize the default 0/1 Queue Header ++* Register: TOE_DEFAULT_Q0_HDR_BASE (0x60002000) ++* TOE_DEFAULT_Q1_HDR_BASE (0x60002008) ++* (2) Initialize Descriptors of Default Queue 0/1 ++*----------------------------------------------------------------------*/ ++static void toe_init_default_queue(struct net_device *dev) ++{ ++ struct gmac_private *gmac = netdev_priv(dev); ++ struct toe_private *toe = dev->ml_priv; ++ volatile NONTOE_QHDR_T *qhdr; ++ GMAC_RXDESC_T *desc_ptr; ++ ++ desc_ptr = dma_alloc_coherent(toe->dev, TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T), ++ &gmac->default_desc_base_dma, GFP_KERNEL); ++ if (!desc_ptr) { ++ dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__); ++ return; ++ } ++ memset(desc_ptr, 0, TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T)); ++ dma_sync_single_for_device(toe->dev, gmac->default_desc_base_dma, ++ TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T), ++ DMA_TO_DEVICE); ++ gmac->default_desc_base = (unsigned int)desc_ptr; ++ qhdr = (volatile NONTOE_QHDR_T *)(toe->global_base + TOE_DEFAULT_Q_HDR_BASE(gmac->port_id)); ++ qhdr->word0.base_size = ((unsigned int)gmac->default_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_DEFAULT_Q_DESC_POWER; ++ qhdr->word1.bits32 = 0; ++ gmac->default_qhdr = (NONTOE_QHDR_T *)qhdr; ++} ++ ++/*---------------------------------------------------------------------- ++* toe_init_interrupt_config ++* Interrupt Select Registers are used to map interrupt to int0 or int1 ++* Int0 and int1 are wired to CPU 0/1 GMAC 0/1 ++* Interrupt Device Inteface data are used to pass device info to ++* upper device driver or store status/statistics ++* ISR handler ++* (1) If status bit ON but masked, the prinf error message (bug issue) ++* (2) If select bits are for me, handle it, else skip to let ++* the other ISR handles it. ++* Notes: ++* GMACx init routine (for eCOS) or open routine (for Linux) ++* enable the interrupt bits only which are selected for it. ++* ++* Default Setting: ++* GMAC0 intr bits ------> int0 ----> eth0 ++* GMAC1 intr bits ------> int1 ----> eth1 ++* TOE intr -------------> int0 ----> eth0 ++* Classification Intr --> int0 ----> eth0 ++* Default Q0 -----------> int0 ----> eth0 ++* Default Q1 -----------> int1 ----> eth1 ++*----------------------------------------------------------------------*/ ++static void toe_init_interrupt_config(struct toe_private *toe) ++{ ++ /* clear all status bits */ ++ __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG); ++ __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG); ++ __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG); ++ __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG); ++ __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG); ++ ++ /* Init select registers */ ++ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG); ++ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG); ++ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG); ++ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG); ++ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG); ++ ++ /* disable all interrupt */ ++ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_0_REG); ++ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_1_REG); ++ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_2_REG); ++ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_3_REG); ++ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_4_REG); ++} ++ ++static void toe_gmac_hw_start(struct gmac_private *gmac) ++{ ++ GMAC_DMA_CTRL_T dma_ctrl; ++ ++ /* program dma control register */ ++ dma_ctrl.bits32 = __raw_readl(gmac->dma_base_addr + GMAC_DMA_CTRL_REG); ++ dma_ctrl.bits.rd_enable = 1; ++ dma_ctrl.bits.td_enable = 1; ++ dma_ctrl.bits.loopback = 0; ++ dma_ctrl.bits.drop_small_ack = 0; ++ dma_ctrl.bits.rd_prot = 0; ++ dma_ctrl.bits.rd_burst_size = 3; ++ dma_ctrl.bits.rd_insert_bytes = RX_INSERT_BYTES; ++ dma_ctrl.bits.rd_bus = 3; ++ dma_ctrl.bits.td_prot = 0; ++ dma_ctrl.bits.td_burst_size = 3; ++ dma_ctrl.bits.td_bus = 3; ++ ++ __raw_writel(dma_ctrl.bits32, gmac->dma_base_addr + GMAC_DMA_CTRL_REG); ++} ++ ++static void toe_gmac_hw_stop(struct gmac_private *gmac) ++{ ++ GMAC_DMA_CTRL_T dma_ctrl; ++ ++ /* program dma control register */ ++ dma_ctrl.bits32 = __raw_readl(gmac->dma_base_addr + GMAC_DMA_CTRL_REG); ++ dma_ctrl.bits.rd_enable = 0; ++ dma_ctrl.bits.td_enable = 0; ++ __raw_writel(dma_ctrl.bits32, gmac->dma_base_addr + GMAC_DMA_CTRL_REG); ++} ++ ++static void toe_gmac_init_chip(struct net_device *dev) ++{ ++ struct gmac_private *gmac = netdev_priv(dev); ++ GMAC_CONFIG2_T config2_val; ++ GMAC_CONFIG0_T config0; ++ GMAC_CONFIG1_T config1; ++ GMAC_STATUS_T status; ++ GMAC_TX_WCR0_T hw_weigh; ++ GMAC_TX_WCR1_T sw_weigh; ++ GMAC_RX_FLTR_T rx_filter; ++ ++ /* set RX_FLTR register to receive all multicast packet */ ++ rx_filter.bits32 = __raw_readl(dev->base_addr + GMAC_RX_FLTR); ++ rx_filter.bits.unicast = 1; ++ rx_filter.bits.multicast = 1; ++ rx_filter.bits.broadcast = 1; ++ __raw_writel(rx_filter.bits32, dev->base_addr + GMAC_RX_FLTR); ++ ++ /* set flow control threshold */ ++ config1.bits32 = 0; ++ config1.bits.set_threshold = 32 / 2; ++ config1.bits.rel_threshold = 32 / 4 * 3; ++ __raw_writel(config1.bits32, dev->base_addr + GMAC_CONFIG1); ++ ++ /* set flow control threshold */ ++ config2_val.bits32 = 0; ++ config2_val.bits.set_threshold = TOE_SW_FREEQ_DESC_NUM / 4; ++ config2_val.bits.rel_threshold = TOE_SW_FREEQ_DESC_NUM / 2; ++ __raw_writel(config2_val.bits32, dev->base_addr + GMAC_CONFIG2); ++ ++ /* disable TX/RX and disable internal loop back */ ++ config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0); ++ ++ config0.bits.max_len = 2; ++ ++ gmac->flow_control_enable = 0; ++ ++ config0.bits.tx_fc_en = 0; /* disable tx flow control */ ++ config0.bits.rx_fc_en = 0; /* disable rx flow control */ ++ config0.bits.dis_rx = 1; /* disable rx */ ++ config0.bits.dis_tx = 1; /* disable tx */ ++ config0.bits.loop_back = 0; /* enable/disable GMAC loopback */ ++ config0.bits.rx_err_detect = 1; ++ config0.bits.rgmii_en = 0; ++ config0.bits.rgmm_edge = 1; ++ config0.bits.rxc_inv = 0; ++ config0.bits.ipv4_rx_chksum = 1; /* enable H/W to check ip checksum */ ++ config0.bits.ipv6_rx_chksum = 1; /* enable H/W to check ip checksum */ ++ config0.bits.port0_chk_hwq = 1; ++ config0.bits.port1_chk_hwq = 1; ++ config0.bits.port0_chk_toeq = 1; ++ config0.bits.port1_chk_toeq = 1; ++ config0.bits.port0_chk_classq = 1; ++ config0.bits.port1_chk_classq = 1; ++ ++ __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0); ++ ++ hw_weigh.bits32 = 0; ++ hw_weigh.bits.hw_tq3 = 1; ++ hw_weigh.bits.hw_tq2 = 1; ++ hw_weigh.bits.hw_tq1 = 1; ++ hw_weigh.bits.hw_tq0 = 1; ++ __raw_writel(hw_weigh.bits32, gmac->dma_base_addr + GMAC_TX_WEIGHTING_CTRL_0_REG); ++ ++ sw_weigh.bits32 = 0; ++ sw_weigh.bits.sw_tq5 = 1; ++ sw_weigh.bits.sw_tq4 = 1; ++ sw_weigh.bits.sw_tq3 = 1; ++ sw_weigh.bits.sw_tq2 = 1; ++ sw_weigh.bits.sw_tq1 = 1; ++ sw_weigh.bits.sw_tq0 = 1; ++ __raw_writel(sw_weigh.bits32, gmac->dma_base_addr + GMAC_TX_WEIGHTING_CTRL_1_REG); ++ ++ /* set interface type */ ++ status.bits32 = __raw_readl(dev->base_addr + GMAC_STATUS); ++ ++ switch (gmac->phydev->interface) { ++ case PHY_INTERFACE_MODE_MII: ++ status.bits.mii_rmii = GMAC_PHY_MII; ++ break; ++ case PHY_INTERFACE_MODE_GMII: ++ status.bits.mii_rmii = GMAC_PHY_GMII; ++ break; ++ case PHY_INTERFACE_MODE_RGMII: ++ status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; ++ break; ++ default: ++ dev_err(&dev->dev, "Unsupported MII interface\n"); ++ return; ++ } ++ ++ __raw_writel(status.bits32, dev->base_addr + GMAC_STATUS); ++} ++ ++static void toe_init_gmac(struct net_device *dev) ++{ ++ struct gmac_private *gmac = netdev_priv(dev); ++ struct toe_private *toe = dev->ml_priv; ++ u32 data; ++ ++ /* GMAC initialization */ ++ toe_gmac_init_chip(dev); ++ ++ /* ----------------------------------------------------------- ++ Enable GMAC interrupt & disable loopback ++ Notes: ++ GMACx init routine (for eCOS) or open routine (for Linux) ++ enable the interrupt bits only which are selected for him. ++ --------------------------------------------------------------*/ ++ ++ /* Enable Interrupt Bits */ ++ if (gmac->port_id == 0) { ++ gmac->intr0_selected = GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT | ++ GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT | ++ GMAC0_SWTQ05_FIN_INT_BIT | GMAC0_SWTQ05_EOF_INT_BIT | ++ GMAC0_SWTQ04_FIN_INT_BIT | GMAC0_SWTQ04_EOF_INT_BIT | ++ GMAC0_SWTQ03_FIN_INT_BIT | GMAC0_SWTQ03_EOF_INT_BIT | ++ GMAC0_SWTQ02_FIN_INT_BIT | GMAC0_SWTQ02_EOF_INT_BIT | ++ GMAC0_SWTQ01_FIN_INT_BIT | GMAC0_SWTQ01_EOF_INT_BIT | ++ GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT; ++ ++#ifdef GMAX_TX_INTR_DISABLED ++ gmac->intr0_enabled = 0; ++#else ++ gmac->intr0_enabled = GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT; ++#endif ++ ++ gmac->intr1_selected = TOE_IQ_ALL_BITS | TOE_CLASS_RX_INT_BITS | ++ GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT | ++ GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT | ++ DEFAULT_Q0_INT_BIT; ++ gmac->intr1_enabled = DEFAULT_Q0_INT_BIT | TOE_IQ_ALL_BITS; ++ gmac->intr2_selected = 0xffffffff; /* TOE Queue 32-63 FUUL Intr */ ++ gmac->intr2_enabled = 0xffffffff; ++ gmac->intr3_selected = 0xffffffff; /* TOE Queue 0-31 FUUL Intr */ ++ gmac->intr3_enabled = 0xffffffff; ++ gmac->intr4_selected = GMAC0_INT_BITS | CLASS_RX_FULL_INT_BITS | ++ HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT; ++ gmac->intr4_enabled = GMAC0_INT_BITS | SWFQ_EMPTY_INT_BIT; ++ ++ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG) & ~gmac->intr0_selected; ++ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG); ++ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG) & ~gmac->intr1_selected; ++ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG); ++ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG) & ~gmac->intr2_selected; ++ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG); ++ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG) & ~gmac->intr3_selected; ++ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG); ++ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG) & ~gmac->intr4_selected; ++ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG); ++ } else { ++ gmac->intr0_selected = GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT | ++ GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT | ++ GMAC1_SWTQ15_FIN_INT_BIT | GMAC1_SWTQ15_EOF_INT_BIT | ++ GMAC1_SWTQ14_FIN_INT_BIT | GMAC1_SWTQ14_EOF_INT_BIT | ++ GMAC1_SWTQ13_FIN_INT_BIT | GMAC1_SWTQ13_EOF_INT_BIT | ++ GMAC1_SWTQ12_FIN_INT_BIT | GMAC1_SWTQ12_EOF_INT_BIT | ++ GMAC1_SWTQ11_FIN_INT_BIT | GMAC1_SWTQ11_EOF_INT_BIT | ++ GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT; ++#ifdef GMAX_TX_INTR_DISABLED ++ gmac->intr0_enabled = 0; ++#else ++ gmac->intr0_enabled = GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT; ++#endif ++ ++ gmac->intr1_selected = DEFAULT_Q1_INT_BIT; ++ gmac->intr1_enabled = DEFAULT_Q1_INT_BIT | TOE_IQ_ALL_BITS; ++ gmac->intr2_selected = 0; /* TOE Queue 32-63 FUUL Intr */ ++ gmac->intr2_enabled = 0; ++ gmac->intr3_selected = 0; /* TOE Queue 0-31 FUUL Intr */ ++ gmac->intr3_enabled = 0; ++ gmac->intr4_selected = GMAC1_INT_BITS; ++ gmac->intr4_enabled = GMAC1_INT_BITS; ++ ++ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG) | gmac->intr0_selected; ++ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG); ++ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG) | gmac->intr1_selected; ++ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG); ++ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG) | gmac->intr2_selected; ++ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG); ++ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG) | gmac->intr3_selected; ++ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG); ++ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG) | gmac->intr4_selected; ++ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG); ++ } ++ ++ /* enable only selected bits */ ++ gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_0_REG, ++ gmac->intr0_enabled, gmac->intr0_selected); ++ gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_1_REG, ++ gmac->intr1_enabled, gmac->intr1_selected); ++ gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_2_REG, ++ gmac->intr2_enabled, gmac->intr2_selected); ++ gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_3_REG, ++ gmac->intr3_enabled, gmac->intr3_selected); ++ gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_4_REG, ++ gmac->intr4_enabled, gmac->intr4_selected); ++ ++ /* start DMA process */ ++ toe_gmac_hw_start(gmac); ++} ++ ++static void toe_gmac_enable_tx_rx(struct net_device *dev) ++{ ++ GMAC_CONFIG0_T config0; ++ ++ /* enable TX/RX */ ++ config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0); ++ config0.bits.dis_rx = 0; /* enable rx */ ++ config0.bits.dis_tx = 0; /* enable tx */ ++ __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0); ++} ++ ++static void toe_gmac_disable_tx_rx(struct net_device *dev) ++{ ++ GMAC_CONFIG0_T config0; ++ ++ /* enable TX/RX */ ++ config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0); ++ config0.bits.dis_rx = 1; /* disable rx */ ++ config0.bits.dis_tx = 1; /* disable tx */ ++ __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0); ++} ++ ++static void toe_gmac_tx_complete(struct net_device *dev, unsigned int tx_qid) ++{ ++ struct gmac_private *gmac = netdev_priv(dev); ++ struct toe_private *toe = dev->ml_priv; ++ GMAC_TXDESC_T *curr_desc; ++ GMAC_TXDESC_0_T word0; ++ GMAC_TXDESC_1_T word1; ++ unsigned int desc_count; ++ GMAC_SWTXQ_T *swtxq; ++ DMA_RWPTR_T rwptr; ++ ++ /* get tx H/W completed descriptor virtual address */ ++ /* check tx status and accumulate tx statistics */ ++ swtxq = &gmac->swtxq[tx_qid]; ++ for (;;) { ++ rwptr.bits32 = __raw_readl(swtxq->rwptr_reg); ++ if (rwptr.bits.rptr == swtxq->finished_idx) ++ break; ++ curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx; ++ dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma, ++ swtxq->finished_idx * sizeof(GMAC_TXDESC_T), ++ sizeof(GMAC_TXDESC_T), ++ DMA_FROM_DEVICE); ++ word0.bits32 = curr_desc->word0.bits32; ++ word1.bits32 = curr_desc->word1.bits32; ++ ++ if (word0.bits.status_tx_ok) { ++ dev->stats.tx_bytes += word1.bits.byte_count; ++ desc_count = word0.bits.desc_count; ++ if (desc_count == 0) { ++ dev_err(&dev->dev, "%s::Desc 0x%x = 0x%x, desc_count=%d\n", __func__, (u32)curr_desc, word0.bits32, desc_count); ++ BUG(); ++ } ++ while (--desc_count) { ++ word0.bits.status_tx_ok = 0; ++ curr_desc->word0.bits32 = word0.bits32; ++ dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma, ++ swtxq->finished_idx * sizeof(GMAC_TXDESC_T), ++ sizeof(GMAC_TXDESC_T), ++ DMA_TO_DEVICE); ++ swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, TOE_GMAC_SWTXQ_DESC_NUM); ++ curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx; ++ dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma, ++ swtxq->finished_idx * sizeof(GMAC_TXDESC_T), ++ sizeof(GMAC_TXDESC_T), ++ DMA_FROM_DEVICE); ++ word0.bits32 = curr_desc->word0.bits32; ++ } ++ ++ word0.bits.status_tx_ok = 0; ++ dev_kfree_skb_any(swtxq->tx_skb[swtxq->finished_idx]); ++ swtxq->tx_skb[swtxq->finished_idx] = NULL; ++ ++ curr_desc->word0.bits32 = word0.bits32; ++ dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma, ++ swtxq->finished_idx * sizeof(GMAC_TXDESC_T), ++ sizeof(GMAC_TXDESC_T), ++ DMA_TO_DEVICE); ++ dev->stats.tx_packets++; ++ swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, TOE_GMAC_SWTXQ_DESC_NUM); ++ } else { ++ break; ++ } ++ } ++ ++ if (netif_queue_stopped(dev)) ++ netif_wake_queue(dev); ++} ++ ++static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev) ++{ ++ struct gmac_private *gmac = netdev_priv(dev); ++ struct toe_private *toe = dev->ml_priv; ++ DMA_RWPTR_T rwptr; ++ GMAC_TXDESC_T *curr_desc; ++ int snd_pages = skb_shinfo(skb)->nr_frags + 1; /* get number of descriptor */ ++ int frag_id = 0; ++ int len, total_len = skb->len; ++ struct net_device_stats *isPtr = &dev->stats; ++ unsigned int free_desc; ++ GMAC_SWTXQ_T *swtxq; ++ register unsigned long word0, word1, word2, word3; ++ unsigned short wptr, rptr; ++ ++#ifdef GMAC_LEN_1_2_ISSUE ++ int total_pages; ++ total_pages = snd_pages; ++#endif ++ ++ if (skb->len >= 0x10000) { ++ isPtr->tx_dropped++; ++ dev_err(&dev->dev, "%s::skb->len %d >= 64K\n", __func__, skb->len); ++ netif_stop_queue(dev); ++ return 1; ++ } ++ ++#ifdef GMAC_USE_TXQ0 ++ #define tx_qid 0 ++#endif ++ ++ swtxq = &gmac->swtxq[tx_qid]; ++ ++ rwptr.bits32 = __raw_readl(swtxq->rwptr_reg); ++ wptr = rwptr.bits.wptr; ++ rptr = rwptr.bits.rptr; ++ ++ /* ++ * check finished desc or empty BD ++ * cannot check by read ptr of RW PTR register, ++ * because the HW complete to send but the SW may NOT handle it ++ */ ++#ifdef GMAX_TX_INTR_DISABLED ++ toe_gmac_tx_complete(dev, tx_qid); ++#endif ++ if (wptr >= swtxq->finished_idx) ++ free_desc = TOE_GMAC_SWTXQ_DESC_NUM - wptr + swtxq->finished_idx; ++ else ++ free_desc = swtxq->finished_idx - wptr; ++ ++ if (free_desc < snd_pages) { ++ isPtr->tx_dropped++; ++ netif_stop_queue(dev); ++ return 1; ++ } ++ ++ while (snd_pages) { ++ char *pkt_datap; ++ ++ curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + wptr; ++ if (frag_id == 0) { ++ len = skb_headlen(skb); ++ pkt_datap = dma_map_single(toe->dev, skb->data, len, DMA_TO_DEVICE); ++ } else { ++ skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_id - 1]; ++ len = frag->size; ++ pkt_datap = dma_map_page(toe->dev, frag->page.p, frag->page_offset, len, DMA_TO_DEVICE); ++ } ++ ++ /* set TX descriptor */ ++ word0 = len; ++ word3 = (dev->mtu + 14) | EOFIE_BIT; ++ ++#ifdef DO_HW_CHKSUM ++ if (total_len <= 1514 && ip_hdr(skb) && (ip_hdr(skb)->frag_off & __constant_htons(0x3fff))) ++ word1 = total_len | ++ TSS_IP_CHKSUM_BIT | ++ TSS_IPV6_ENABLE_BIT | ++ TSS_MTU_ENABLE_BIT; ++ else ++ word1 = total_len | ++ TSS_UDP_CHKSUM_BIT | ++ TSS_TCP_CHKSUM_BIT | ++ TSS_IP_CHKSUM_BIT | ++ TSS_IPV6_ENABLE_BIT | ++ TSS_MTU_ENABLE_BIT; ++#else ++ word1 = total_len | TSS_MTU_ENABLE_BIT; ++#endif ++ word2 = pkt_datap; ++ ++ if (frag_id == 0) ++ word3 |= SOF_BIT; ++ ++ if (snd_pages == 1) { ++ word3 |= EOF_BIT; ++ swtxq->tx_skb[wptr] = skb; ++ } else ++ swtxq->tx_skb[wptr] = NULL; ++ ++#ifdef GMAC_LEN_1_2_ISSUE ++ if ((total_pages != snd_pages) && (len == 1 || len == 2) && ((u32)pkt_datap & 0x03)) { ++ memcpy((void *)&_debug_prefetch_buf[_debug_prefetch_cnt][0], pkt_datap, len); ++ pkt_datap = (char *)&_debug_prefetch_buf[_debug_prefetch_cnt][0]; ++ word2 = (unsigned long)__pa(pkt_datap); ++ _debug_prefetch_cnt++; ++ if (_debug_prefetch_cnt >= _DEBUG_PREFETCH_NUM) ++ _debug_prefetch_cnt = 0; ++ } ++#endif ++ curr_desc->word0.bits32 = word0; ++ curr_desc->word1.bits32 = word1; ++ curr_desc->word2.bits32 = word2; ++ curr_desc->word3.bits32 = word3; ++ free_desc--; ++ dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma, ++ wptr * sizeof(GMAC_TXDESC_T), ++ sizeof(GMAC_TXDESC_T), ++ DMA_TO_DEVICE); ++ wptr = RWPTR_ADVANCE_ONE(wptr, TOE_GMAC_SWTXQ_DESC_NUM); ++ frag_id++; ++ snd_pages--; ++ } ++ ++ SET_WPTR(swtxq->rwptr_reg, wptr); ++ dev->trans_start = jiffies; ++ ++ return 0; ++} ++ ++static void __gmac_set_mac_address(struct net_device *dev) ++{ ++ unsigned int reg_val; ++ ++ reg_val = dev->dev_addr[0] + (dev->dev_addr[1] << 8) + ++ (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24); ++ __raw_writel(reg_val, dev->base_addr + GMAC_STA_ADD0); ++ reg_val = (__raw_readl(dev->base_addr + GMAC_STA_ADD1) & 0xFFFF0000) + ++ dev->dev_addr[4] + (dev->dev_addr[5] << 8); ++ __raw_writel(reg_val, dev->base_addr + GMAC_STA_ADD1); ++} ++ ++static int gmac_set_mac_address(struct net_device *dev, void *addr) ++{ ++ struct sockaddr *sa = addr; ++ ++ memcpy(dev->dev_addr, sa->sa_data, dev->addr_len); ++ ++ __gmac_set_mac_address(dev); ++ ++ return 0; ++} ++ ++static void gmac_get_mac_address(struct net_device *dev) ++{ ++ unsigned int reg_val; ++ ++ reg_val = __raw_readl(dev->base_addr + GMAC_STA_ADD0); ++ dev->dev_addr[0] = reg_val & 0xFF; ++ dev->dev_addr[1] = (reg_val >> 8) & 0xFF; ++ dev->dev_addr[2] = (reg_val >> 16) & 0xFF; ++ dev->dev_addr[3] = (reg_val >> 24) & 0xFF; ++ reg_val = __raw_readl(dev->base_addr + GMAC_STA_ADD1); ++ dev->dev_addr[4] = reg_val & 0xFF; ++ dev->dev_addr[5] = (reg_val >> 8) & 0xFF; ++ ++ if (!is_valid_ether_addr(dev->dev_addr)) { ++ random_ether_addr(dev->dev_addr); ++ __gmac_set_mac_address(dev); ++ } ++} ++ ++struct net_device_stats *gmac_get_stats(struct net_device *dev) ++{ ++ if (netif_running(dev)) { ++ unsigned short multicast; ++ ++ multicast = __raw_readw(dev->base_addr + GMAC_IN_MCAST) + ++ __raw_readw(dev->base_addr + GMAC_IN_BCAST); ++ ++ dev->stats.rx_dropped += __raw_readw(dev->base_addr + GMAC_IN_DISCARDS); ++ dev->stats.rx_errors += __raw_readw(dev->base_addr + GMAC_IN_ERRORS); ++ dev->stats.rx_packets += __raw_readl(dev->base_addr + GMAC_IN_MAC1) + multicast; ++ dev->stats.multicast += multicast; ++ } ++ ++ return &dev->stats; ++} ++ ++/* TODO: If possible use crc32 from kernel lib */ ++static unsigned const ethernet_polynomial = 0x04c11db7U; ++static unsigned int ether_crc(int length, unsigned char *data) ++{ ++ int crc = -1; ++ unsigned int i; ++ unsigned int crc_val = 0; ++ ++ while (--length >= 0) { ++ unsigned char current_octet = *data++; ++ int bit; ++ for (bit = 0; bit < 8; bit++, current_octet >>= 1) ++ crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ? ++ ethernet_polynomial : 0); ++ } ++ crc = ~crc; ++ for (i = 0; i < 32; i++) ++ crc_val = crc_val + (((crc << i) & 0x80000000) >> (31 - i)); ++ ++ return crc_val; ++} ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_fill_free_q ++* allocate buffers for free queue. ++*----------------------------------------------------------------------*/ ++static void toe_gmac_fill_free_q(struct toe_private *toe) ++{ ++ struct sk_buff *skb; ++ DMA_RWPTR_T fq_rwptr; ++ GMAC_RXDESC_T *fq_desc; ++ unsigned long flags; ++ ++ spin_lock_irqsave(&toe->freeq_lock, flags); ++ fq_rwptr.bits32 = __raw_readl(toe->global_base + GLOBAL_SWFQ_RWPTR_REG); ++ while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, ++ TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) { ++ skb = dev_alloc_skb(SW_RX_BUF_SIZE); ++ if (skb == NULL) { ++ dev_err(toe->dev, "%s::skb allocation fail\n", __func__); ++ break; ++ } ++ REG32(skb->data) = (unsigned int)skb; ++ skb_reserve(skb, SKB_RESERVE_BYTES); ++ fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, ++ TOE_SW_FREEQ_DESC_NUM); ++ fq_desc = (GMAC_RXDESC_T *)toe->swfq_desc_base + fq_rwptr.bits.wptr; ++ fq_desc->word2.buf_adr = dma_map_single(toe->dev, skb->data, ++ SW_RX_BUF_SIZE - SKB_RESERVE_BYTES, ++ DMA_FROM_DEVICE); ++ dma_sync_single_range_for_device(toe->dev, ++ toe->sw_freeq_desc_base_dma, ++ fq_rwptr.bits.wptr * sizeof(GMAC_RXDESC_T), ++ sizeof(GMAC_RXDESC_T), ++ DMA_TO_DEVICE); ++ SET_WPTR(toe->global_base + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr); ++ } ++ spin_unlock_irqrestore(&toe->freeq_lock, flags); ++} ++ ++static void fill_free_q_worker(struct work_struct *work) ++{ ++ struct toe_private *toe = container_of(work, struct toe_private, freq_work); ++ ++ toe_gmac_fill_free_q(toe); ++} ++ ++/*---------------------------------------------------------------------- ++* toe_gmac_handle_default_rxq ++* (1) Get rx Buffer for default Rx queue ++* (2) notify or call upper-routine to handle it ++* (3) get a new buffer and insert it into SW free queue ++* (4) Note: The SW free queue Read-Write Pointer should be locked when accessing ++*----------------------------------------------------------------------*/ ++static void toe_gmac_handle_default_rxq(struct net_device *dev) ++{ ++ struct gmac_private *gmac = netdev_priv(dev); ++ struct toe_private *toe = dev->ml_priv; ++ GMAC_RXDESC_T *curr_desc; ++ struct sk_buff *skb; ++ DMA_RWPTR_T rwptr; ++ unsigned int pkt_size; ++ int max_cnt; ++ unsigned int desc_count; ++ unsigned int chksum_status, rx_status; ++ struct net_device_stats *isPtr = &dev->stats; ++ ++ rwptr.bits32 = __raw_readl(&gmac->default_qhdr->word1); ++ max_cnt = DEFAULT_RXQ_MAX_CNT; ++ while ((--max_cnt) && rwptr.bits.rptr != rwptr.bits.wptr) { ++ curr_desc = (GMAC_RXDESC_T *)gmac->default_desc_base + rwptr.bits.rptr; ++ dma_sync_single_range_for_device(toe->dev, ++ gmac->default_desc_base_dma, ++ rwptr.bits.rptr * sizeof(GMAC_RXDESC_T), ++ sizeof(GMAC_RXDESC_T), ++ DMA_FROM_DEVICE); ++ rx_status = curr_desc->word0.bits.status; ++ chksum_status = curr_desc->word0.bits.chksum_status; ++ pkt_size = curr_desc->word1.bits.byte_count; /* total byte count in a frame */ ++ desc_count = curr_desc->word0.bits.desc_count; /* get descriptor count per frame */ ++ skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES)); ++ ++ if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr)) ++ || (pkt_size < 60) || (chksum_status & 0x4) || rx_status) { ++ if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_derr) ++ dev_err(&dev->dev, "%s::derr\n", __func__); ++ if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_perr) ++ dev_err(&dev->dev, "%s::perr\n", __func__); ++ if (rx_status && (rx_status == 4 || rx_status == 7)) ++ isPtr->rx_crc_errors++; ++ ++ dev_kfree_skb_irq(skb); ++ goto bad_frame; ++ } ++ ++ if (curr_desc->word0.bits.drop) ++ dev_warn(&dev->dev, "%s::Drop\n", __func__); ++ ++ /* get frame information from the first descriptor of the frame */ ++ skb_reserve(skb, RX_INSERT_BYTES); /* 16 byte align the IP fields. */ ++ skb_put(skb, pkt_size); ++ skb->dev = dev; ++ skb->protocol = eth_type_trans(skb, dev); ++ if (chksum_status == RX_CHKSUM_IP_UDP_TCP_OK || chksum_status == RX_CHKSUM_IP_OK_ONLY) ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++ ++ netif_rx(skb); /* socket rx */ ++ dev->last_rx = jiffies; ++ ++ isPtr->rx_bytes += pkt_size; ++ ++bad_frame: ++ /* advance one for Rx default Q 0/1 */ ++ rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, TOE_DEFAULT_Q_DESC_NUM); ++ SET_RPTR(&gmac->default_qhdr->word1, rwptr.bits.rptr); ++ } ++ ++ schedule_work(&toe->freq_work); ++} ++ ++static irqreturn_t toe_gmac_interrupt(int irq, void *dev_instance) ++{ ++ struct net_device *dev = dev_instance; ++ struct gmac_private *gmac = netdev_priv(dev); ++ struct toe_private *toe = dev->ml_priv; ++ unsigned int status0; ++ unsigned int status1; ++ unsigned int status2; ++ unsigned int status3; ++ unsigned int status4; ++ int handled = 0; ++ ++ /* read Interrupt status */ ++ status0 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG); ++ status1 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG); ++ status2 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG); ++ status3 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG); ++ status4 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG); ++ ++ /* clear interrupts */ ++ if (status0) ++ __raw_writel(status0, toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG); ++ if (status1) ++ __raw_writel(status1, toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG); ++ if (status2) ++ __raw_writel(status2, toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG); ++ if (status3) ++ __raw_writel(status3, toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG); ++ if (status4) ++ __raw_writel(status4, toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG); ++ ++ /* handle freeq interrupt first */ ++ if (status4 & gmac->intr4_enabled) { ++ if ((status4 & SWFQ_EMPTY_INT_BIT) && (gmac->intr4_enabled & SWFQ_EMPTY_INT_BIT)) { ++ toe_gmac_fill_free_q(toe); ++ handled = 1; ++ } ++ } ++ ++ /* Interrupt Status 1 */ ++ if (status1 & gmac->intr1_enabled) { ++ /* ++ * Handle GMAC 0/1 HW Tx queue 0-3 EOF events ++ * Only count ++ * TOE, Classification, and default queues interrupts are handled by ISR ++ * because they should pass packets to upper layer ++ */ ++ if (gmac->port_id == 0) { ++ if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (gmac->intr1_enabled & DEFAULT_Q0_INT_BIT)) { ++ toe_gmac_handle_default_rxq(dev); ++ handled = 1; ++ } ++ } else if (gmac->port_id == 1) { ++ if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (gmac->intr1_enabled & DEFAULT_Q1_INT_BIT)) { ++ toe_gmac_handle_default_rxq(dev); ++ handled = 1; ++ } ++ } ++ } ++ ++ /* Interrupt Status 0 */ ++ if (status0 & gmac->intr0_enabled) { ++#ifndef GMAX_TX_INTR_DISABLED ++ if (gmac->port_id == 1 && netif_running(dev) && ++ (((status0 & GMAC1_SWTQ10_FIN_INT_BIT) && (gmac->intr0_enabled & GMAC1_SWTQ10_FIN_INT_BIT)) ++ || ++ ((status0 & GMAC1_SWTQ10_EOF_INT_BIT) && (gmac->intr0_enabled & GMAC1_SWTQ10_EOF_INT_BIT)))) { ++ toe_gmac_tx_complete(dev, 0); ++ handled = 1; ++ } ++ ++ if (gmac->port_id == 0 && netif_running(dev) && ++ (((status0 & GMAC0_SWTQ00_FIN_INT_BIT) && (gmac->intr0_enabled & GMAC0_SWTQ00_FIN_INT_BIT)) ++ || ++ ((status0 & GMAC0_SWTQ00_EOF_INT_BIT) && (gmac->intr0_enabled & GMAC0_SWTQ00_EOF_INT_BIT)))) { ++ toe_gmac_tx_complete(dev, 0); ++ handled = 1; ++ } ++#endif ++ } ++ ++ return IRQ_RETVAL(handled); ++} ++ ++static int gmac_open(struct net_device *dev) ++{ ++ struct gmac_private *gmac = netdev_priv(dev); ++ int retval; ++ ++ /* hook ISR */ ++ retval = request_irq(dev->irq, toe_gmac_interrupt, 0, dev->name, dev); ++ if (retval) ++ return retval; ++ ++ toe_init_gmac(dev); ++ ++ netif_carrier_off(dev); ++ phy_start(gmac->phydev); ++ ++ netif_start_queue(dev); ++ ++ return 0; ++} ++ ++static int gmac_close(struct net_device *dev) ++{ ++ struct gmac_private *gmac = netdev_priv(dev); ++ ++ netif_stop_queue(dev); ++ mdelay(20); ++ ++ if (gmac->phydev) ++ phy_stop(gmac->phydev); ++ ++ /* stop tx/rx packet */ ++ toe_gmac_disable_tx_rx(dev); ++ mdelay(20); ++ ++ /* stop the chip's Tx and Rx DMA processes */ ++ toe_gmac_hw_stop(gmac); ++ ++ disable_irq(dev->irq); ++ free_irq(dev->irq, dev); ++ ++ return 0; ++} ++ ++static void gmac_get_phy_status(struct net_device *dev) ++{ ++ struct gmac_private *gmac = netdev_priv(dev); ++ GMAC_CONFIG0_T config0; ++ GMAC_STATUS_T status, old_status; ++ struct phy_device *phydev = gmac->phydev; ++ ++ old_status.bits32 = status.bits32 = __raw_readl(dev->base_addr + GMAC_STATUS); ++ ++ status.bits.link = phydev->link; ++ status.bits.duplex = phydev->duplex; ++ ++ switch (phydev->speed) { ++ case 1000: ++ status.bits.speed = GMAC_SPEED_1000; ++ if (phydev->interface == PHY_INTERFACE_MODE_RGMII) ++ status.bits.mii_rmii = GMAC_PHY_RGMII_1000; ++ break; ++ case 100: ++ status.bits.speed = GMAC_SPEED_100; ++ if (phydev->interface == PHY_INTERFACE_MODE_RGMII) ++ status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; ++ break; ++ case 10: ++ status.bits.speed = GMAC_SPEED_10; ++ if (phydev->interface == PHY_INTERFACE_MODE_RGMII) ++ status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; ++ break; ++ default: ++ dev_warn(&dev->dev, "Not supported PHY speed (%d)\n", phydev->speed); ++ } ++ ++ if (phydev->pause) { ++ if (gmac->flow_control_enable == 0) { ++ config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0); ++ config0.bits.tx_fc_en = 1; /* enable tx flow control */ ++ config0.bits.rx_fc_en = 1; /* enable rx flow control */ ++ __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0); ++ dev_info(&dev->dev, "MII flow control enabled\n"); ++ } ++ gmac->flow_control_enable = 1; ++ } else { ++ if (gmac->flow_control_enable == 1) { ++ config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0); ++ config0.bits.tx_fc_en = 0; /* disable tx flow control */ ++ config0.bits.rx_fc_en = 0; /* disable rx flow control */ ++ __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0); ++ dev_info(&dev->dev, "MII flow control disabled\n"); ++ } ++ gmac->flow_control_enable = 0; ++ } ++ ++ if (old_status.bits32 != status.bits32) { ++ toe_gmac_disable_tx_rx(dev); ++ phy_print_status(phydev); ++ mdelay(10); /* let GMAC consume packet */ ++ __raw_writel(status.bits32, dev->base_addr + GMAC_STATUS); ++ if (status.bits.link) ++ toe_gmac_enable_tx_rx(dev); ++ } ++} ++ ++static void gmac_set_rx_mode(struct net_device *dev) ++{ ++ GMAC_RX_FLTR_T filter; ++ unsigned int mc_filter[2]; /* Multicast hash filter */ ++ int bit_nr; ++ ++ filter.bits32 = 0; ++ filter.bits.error = 0; ++ if (dev->flags & IFF_PROMISC) { ++ filter.bits.error = 1; ++ filter.bits.promiscuous = 1; ++ filter.bits.broadcast = 1; ++ filter.bits.multicast = 1; ++ filter.bits.unicast = 1; ++ mc_filter[1] = mc_filter[0] = 0xffffffff; ++ } else if (dev->flags & IFF_ALLMULTI) { ++ filter.bits.broadcast = 1; ++ filter.bits.multicast = 1; ++ filter.bits.unicast = 1; ++ mc_filter[1] = mc_filter[0] = 0xffffffff; ++ } else { ++ struct netdev_hw_addr *ha; ++ ++ filter.bits.broadcast = 1; ++ filter.bits.multicast = 1; ++ filter.bits.unicast = 1; ++ mc_filter[1] = mc_filter[0] = 0; ++ netdev_for_each_mc_addr(ha, dev) { ++ bit_nr = ether_crc(ETH_ALEN, ha->addr) & 0x3f; ++ if (bit_nr <= 32) ++ mc_filter[0] = mc_filter[0] | (1 << bit_nr); ++ else ++ mc_filter[1] = mc_filter[1] | (1 << (bit_nr - 32)); ++ } ++ } ++ __raw_writel(filter.bits32, dev->base_addr + GMAC_RX_FLTR); ++ __raw_writel(mc_filter[0], dev->base_addr + GMAC_MCAST_FIL0); ++ __raw_writel(mc_filter[1], dev->base_addr + GMAC_MCAST_FIL1); ++} ++ ++static void gmac_tx_timeout(struct net_device *dev) ++{ ++ if (!netif_queue_stopped(dev)) ++ netif_wake_queue(dev); ++ ++ dev_warn(&dev->dev, "TX timeout\n"); ++} ++ ++const static struct net_device_ops gemini_gmac_ops = { ++ .ndo_open = gmac_open, ++ .ndo_stop = gmac_close, ++ .ndo_start_xmit = gmac_start_xmit, ++ .ndo_get_stats = gmac_get_stats, ++ .ndo_set_rx_mode = gmac_set_rx_mode, ++ .ndo_set_mac_address = gmac_set_mac_address, ++ .ndo_tx_timeout = gmac_tx_timeout, ++}; ++ ++static void __devinit mac_init_drv(struct toe_private *toe) ++{ ++ QUEUE_THRESHOLD_T threshold; ++ DMA_SKB_SIZE_T skb_size; ++ ++ /* clear non TOE Queue Header Area */ ++ memset(toe->global_base + TOE_NONTOE_QUE_HDR_BASE, 0, ++ NONTOE_Q_HDR_AREA_END - TOE_NONTOE_QUE_HDR_BASE); ++ ++ /* clear TOE Queue Header Area */ ++ memset(toe->global_base + TOE_TOE_QUE_HDR_BASE, 0, ++ TOE_Q_HDR_AREA_END - TOE_TOE_QUE_HDR_BASE); ++ ++ /* Write GLOBAL_QUEUE_THRESHOLD_REG */ ++ threshold.bits32 = 0; ++ threshold.bits.swfq_empty = (TOE_SW_FREEQ_DESC_NUM > 256) ? 255 : ++ TOE_SW_FREEQ_DESC_NUM / 2; ++ threshold.bits.hwfq_empty = (TOE_HW_FREEQ_DESC_NUM > 256) ? 256 / 4 : ++ TOE_HW_FREEQ_DESC_NUM / 4; ++ threshold.bits.toe_class = (TOE_TOE_DESC_NUM > 256) ? 256 / 4 : ++ TOE_TOE_DESC_NUM / 4; ++ threshold.bits.intrq = (TOE_INTR_DESC_NUM > 256) ? 256 / 4 : ++ TOE_INTR_DESC_NUM / 4; ++ __raw_writel(threshold.bits32, toe->global_base + GLOBAL_QUEUE_THRESHOLD_REG); ++ ++ /* Init skb size */ ++ skb_size.bits.hw_skb_size = HW_RX_BUF_SIZE; ++ skb_size.bits.sw_skb_size = SW_RX_BUF_SIZE; ++ __raw_writel(skb_size.bits32, toe->global_base + GLOBAL_DMA_SKB_SIZE_REG); ++ ++ toe_init_free_queue(toe); ++ toe_init_interrupt_config(toe); ++} ++ ++static int __devinit gmac_init_eth(struct platform_device *pdev, ++ unsigned int num) ++{ ++ struct gmac_private *gmac; ++ struct net_device *dev; ++ struct toe_private *toe = platform_get_drvdata(pdev); ++ struct gemini_gmac_platform_data *pdata = pdev->dev.platform_data; ++ ++ if (!pdata->bus_id[num]) ++ return 0; ++ ++ dev = alloc_etherdev(sizeof(*gmac)); ++ if (dev == NULL) { ++ dev_err(&pdev->dev, "Can't allocate ethernet device #%d\n", num); ++ return -ENOMEM; ++ } ++ ++ gmac = netdev_priv(dev); ++ dev->ml_priv = toe; ++ toe->net_dev[num] = dev; ++ ++ gmac->dma_base_addr = toe->global_base + TOE_GMAC_DMA_BASE(num); ++ gmac->port_id = num; ++ ++ dev->base_addr = toe->global_base + TOE_GMAC_BASE(num); ++ dev->irq = platform_get_irq(pdev, num); ++ dev->netdev_ops = &gemini_gmac_ops; ++ dev->watchdog_timeo = GMAC_DEV_TX_TIMEOUT; ++ dev->tx_queue_len = TOE_GMAC_SWTXQ_DESC_NUM; ++ ++#ifdef DO_HW_CHKSUM ++ dev->features = NETIF_F_SG | NETIF_F_HW_CSUM; ++#ifdef ENABLE_TSO ++ dev->features |= NETIF_F_TSO; ++#endif ++#endif ++ ++ toe_init_swtx_queue(dev); ++ toe_init_default_queue(dev); ++ ++ gmac_get_mac_address(dev); ++ ++ /* TODO: Do we need this? */ ++ __raw_writel(0x55aa55aa, dev->base_addr + GMAC_STA_ADD2); ++ ++ if (register_netdev(dev)) ++ return -1; ++ ++ gmac->phydev = phy_connect(dev, pdata->bus_id[num], &gmac_get_phy_status, 0, ++ pdata->interface[num]); ++ if (IS_ERR(gmac->phydev)) ++ return PTR_ERR(gmac->phydev); ++ ++ gmac->phydev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause; ++ gmac->phydev->advertising = gmac->phydev->supported; ++ ++ return 0; ++} ++ ++static int __devinit gmac_probe(struct platform_device *pdev) ++{ ++ struct resource *res; ++ struct toe_private *toe; ++ int retval; ++ ++ if (!pdev->dev.platform_data) ++ return -EINVAL; ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!res) { ++ dev_err(&pdev->dev, "can't get device resources\n"); ++ return -ENODEV; ++ } ++ ++ toe = kzalloc(sizeof(struct toe_private), GFP_KERNEL); ++ if (!toe) ++ return -ENOMEM; ++ ++ toe->dev = &pdev->dev; ++ ++ toe->global_base = ioremap(res->start, resource_size(res)); ++ if (!toe->global_base) { ++ dev_err(toe->dev, "ioremap failed\n"); ++ retval = -EIO; ++ goto err_data; ++ } ++ ++ platform_set_drvdata(pdev, toe); ++ ++ mac_init_drv(toe); ++ ++ INIT_WORK(&toe->freq_work, fill_free_q_worker); ++ spin_lock_init(&toe->freeq_lock); ++ ++ retval = gmac_init_eth(pdev, GMAC_PORT0); ++ if (retval) ++ goto err_unmap; ++ retval = gmac_init_eth(pdev, GMAC_PORT1); ++ if (retval) ++ goto err_unmap; ++ ++ dev_info(&pdev->dev, SL351x_DRIVER_NAME "\n"); ++ ++ return 0; ++ ++err_unmap: ++ iounmap(toe->global_base); ++err_data: ++ kfree(toe); ++ return retval; ++} ++ ++static int __devexit gmac_remove(struct platform_device *pdev) ++{ ++ struct toe_private *toe = platform_get_drvdata(pdev); ++ int i; ++ ++ for (i = 0; i < 2; i++) ++ if (toe->net_dev[i]) { ++ unregister_netdev(toe->net_dev[i]); ++ kfree(toe->net_dev[i]); ++ } ++ ++ iounmap(toe->global_base); ++ ++ kfree(toe); ++ ++ return 0; ++} ++ ++static struct platform_driver gemini_gmac_driver = { ++ .probe = gmac_probe, ++ .remove = __devexit_p(gmac_remove), ++ .driver = { ++ .name = "gemini-gmac", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init gemini_gmac_init(void) ++{ ++ return platform_driver_register(&gemini_gmac_driver); ++} ++ ++static void __exit gemini_gmac_exit(void) ++{ ++ platform_driver_unregister(&gemini_gmac_driver); ++} ++ ++module_init(gemini_gmac_init); ++module_exit(gemini_gmac_exit); ++ ++MODULE_AUTHOR("Paulius Zaleckas"); ++MODULE_DESCRIPTION("Ethernet device driver for Gemini SoC"); ++MODULE_LICENSE("GPL"); ++MODULE_ALIAS("platform:gemini-gmac"); +--- /dev/null ++++ b/drivers/net/gemini_negmac/gm_gmac.h +@@ -0,0 +1,1488 @@ ++/* ++ * Register definitions for Gemini Ethernet device driver. ++ * ++ * Copyright (C) 2006, Storlink, Corp. ++ * Copyright (C) 2008-2009, Paulius Zaleckas <paulius.zaleckas@teltonika.lt> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++#ifndef _GMAC_SL351x_H ++#define _GMAC_SL351x_H ++#include <linux/skbuff.h> ++ ++#define _PACKED_ __attribute__ ((aligned(1), packed)) ++ ++#ifndef BIT ++#define BIT(x) (1 << (x)) ++#endif ++ ++#define REG32(addr) (*(volatile unsigned long * const)(addr)) ++ ++/* Define frame size */ ++#define GMAC_MAX_ETH_FRAME_SIZE 1514 ++#define GMAC_TX_BUF_SIZE ((GMAC_MAX_ETH_FRAME_SIZE + 31) & (~31)) ++ ++#define SW_RX_BUF_SIZE 1536 ++#define HW_RX_BUF_SIZE 1536 ++ ++#define GMAC_DEV_TX_TIMEOUT (10*HZ) ++#define SKB_RESERVE_BYTES 16 ++ ++/* ++ * Base Registers ++ */ ++#define TOE_NONTOE_QUE_HDR_BASE 0x2000 ++#define TOE_TOE_QUE_HDR_BASE 0x3000 ++#define TOE_V_BIT_BASE 0x4000 ++#define TOE_A_BIT_BASE 0x6000 ++#define TOE_GMAC_DMA_BASE(x) (0x8000 + 0x4000 * (x)) ++#define TOE_GMAC_BASE(x) (0xA000 + 0x4000 * (x)) ++ ++/* ++ * Queue ID ++ */ ++#define TOE_SW_FREE_QID 0x00 ++#define TOE_HW_FREE_QID 0x01 ++#define TOE_GMAC0_SW_TXQ0_QID 0x02 ++#define TOE_GMAC0_SW_TXQ1_QID 0x03 ++#define TOE_GMAC0_SW_TXQ2_QID 0x04 ++#define TOE_GMAC0_SW_TXQ3_QID 0x05 ++#define TOE_GMAC0_SW_TXQ4_QID 0x06 ++#define TOE_GMAC0_SW_TXQ5_QID 0x07 ++#define TOE_GMAC0_HW_TXQ0_QID 0x08 ++#define TOE_GMAC0_HW_TXQ1_QID 0x09 ++#define TOE_GMAC0_HW_TXQ2_QID 0x0A ++#define TOE_GMAC0_HW_TXQ3_QID 0x0B ++#define TOE_GMAC1_SW_TXQ0_QID 0x12 ++#define TOE_GMAC1_SW_TXQ1_QID 0x13 ++#define TOE_GMAC1_SW_TXQ2_QID 0x14 ++#define TOE_GMAC1_SW_TXQ3_QID 0x15 ++#define TOE_GMAC1_SW_TXQ4_QID 0x16 ++#define TOE_GMAC1_SW_TXQ5_QID 0x17 ++#define TOE_GMAC1_HW_TXQ0_QID 0x18 ++#define TOE_GMAC1_HW_TXQ1_QID 0x19 ++#define TOE_GMAC1_HW_TXQ2_QID 0x1A ++#define TOE_GMAC1_HW_TXQ3_QID 0x1B ++#define TOE_GMAC0_DEFAULT_QID 0x20 ++#define TOE_GMAC1_DEFAULT_QID 0x21 ++#define TOE_CLASSIFICATION_QID(x) (0x22 + x) // 0x22 ~ 0x2F ++#define TOE_TOE_QID(x) (0x40 + x) // 0x40 ~ 0x7F ++ ++/* ++ * TOE DMA Queue Number should be 2^n, n = 6...12 ++ * TOE DMA Queues are the following queue types: ++ * SW Free Queue, HW Free Queue, ++ * GMAC 0/1 SW TX Q0-5, and GMAC 0/1 HW TX Q0-5 ++ * They have same descriptor numbers. ++ * The base address and descriptor number are configured at ++ * DMA Queues Descriptor Ring Base Address/Size Register (offset 0x0004) ++ */ ++#define TOE_SW_FREEQ_DESC_POWER 8 ++#define TOE_SW_FREEQ_DESC_NUM (1<<TOE_SW_FREEQ_DESC_POWER) ++#define TOE_HW_FREEQ_DESC_POWER 8 ++#define TOE_HW_FREEQ_DESC_NUM (1<<TOE_HW_FREEQ_DESC_POWER) ++#define TOE_GMAC_SWTXQ_DESC_POWER 8 ++#define TOE_GMAC_SWTXQ_DESC_NUM (1<<TOE_GMAC_SWTXQ_DESC_POWER) ++#define TOE_GMAC_HWTXQ_DESC_POWER 8 ++#define TOE_GMAC_HWTXQ_DESC_NUM (1<<TOE_GMAC_HWTXQ_DESC_POWER) ++#define TOE_DEFAULT_Q_DESC_POWER 8 ++#define TOE_DEFAULT_Q_DESC_NUM (1<<TOE_DEFAULT_Q_DESC_POWER) ++#define TOE_TOE_DESC_POWER 8 ++#define TOE_TOE_DESC_NUM (1<<TOE_TOE_DESC_POWER) ++#define TOE_CLASS_DESC_POWER 8 ++#define TOE_CLASS_DESC_NUM (1<<TOE_CLASS_DESC_POWER) ++#define TOE_INTR_DESC_POWER 8 ++#define TOE_INTR_DESC_NUM (1<<TOE_INTR_DESC_POWER) ++ ++#define TOE_TOE_QUEUE_MAX 64 ++#define TOE_TOE_QUEUE_NUM 64 ++#define TOE_CLASS_QUEUE_MAX 14 ++#define TOE_CLASS_QUEUE_NUM 14 ++#define TOE_INTR_QUEUE_MAX 4 ++#define TOE_INTR_QUEUE_NUM 4 ++#define TOE_SW_TXQ_MAX 6 ++#define TOE_SW_TXQ_NUM 1 ++#define TOE_HW_TXQ_MAX 4 ++#define TOE_HW_TXQ_NUM 4 ++ ++#define RWPTR_ADVANCE_ONE(x, max) ((x == (max -1)) ? 0 : x+1) ++#define RWPTR_RECEDE_ONE(x, max) ((x == 0) ? (max -1) : x-1) ++#define SET_WPTR(addr, data) (*(volatile u16 * const)((u32)(addr) + 2) = (u16)data) ++#define SET_RPTR(addr, data) (*(volatile u16 * const)((u32)(addr)) = (u16)data) ++ ++/* ++ * Global registers ++ * #define TOE_GLOBAL_BASE (TOE_BASE + 0x0000) ++ * Base 0x60000000 ++ */ ++#define GLOBAL_TOE_VERSION_REG 0x0000 ++#define GLOBAL_SW_FREEQ_BASE_SIZE_REG 0x0004 ++#define GLOBAL_HW_FREEQ_BASE_SIZE_REG 0x0008 ++#define GLOBAL_DMA_SKB_SIZE_REG 0x0010 ++#define GLOBAL_SWFQ_RWPTR_REG 0x0014 ++#define GLOBAL_HWFQ_RWPTR_REG 0x0018 ++#define GLOBAL_INTERRUPT_STATUS_0_REG 0x0020 ++#define GLOBAL_INTERRUPT_ENABLE_0_REG 0x0024 ++#define GLOBAL_INTERRUPT_SELECT_0_REG 0x0028 ++#define GLOBAL_INTERRUPT_STATUS_1_REG 0x0030 ++#define GLOBAL_INTERRUPT_ENABLE_1_REG 0x0034 ++#define GLOBAL_INTERRUPT_SELECT_1_REG 0x0038 ++#define GLOBAL_INTERRUPT_STATUS_2_REG 0x0040 ++#define GLOBAL_INTERRUPT_ENABLE_2_REG 0x0044 ++#define GLOBAL_INTERRUPT_SELECT_2_REG 0x0048 ++#define GLOBAL_INTERRUPT_STATUS_3_REG 0x0050 ++#define GLOBAL_INTERRUPT_ENABLE_3_REG 0x0054 ++#define GLOBAL_INTERRUPT_SELECT_3_REG 0x0058 ++#define GLOBAL_INTERRUPT_STATUS_4_REG 0x0060 ++#define GLOBAL_INTERRUPT_ENABLE_4_REG 0x0064 ++#define GLOBAL_INTERRUPT_SELECT_4_REG 0x0068 ++#define GLOBAL_HASH_TABLE_BASE_REG 0x006C ++#define GLOBAL_QUEUE_THRESHOLD_REG 0x0070 ++ ++/* ++ * GMAC 0/1 DMA/TOE register ++ * #define TOE_GMAC0_DMA_BASE (TOE_BASE + 0x8000) ++ * #define TOE_GMAC1_DMA_BASE (TOE_BASE + 0xC000) ++ * Base 0x60008000 or 0x6000C000 ++ */ ++#define GMAC_DMA_CTRL_REG 0x0000 ++#define GMAC_TX_WEIGHTING_CTRL_0_REG 0x0004 ++#define GMAC_TX_WEIGHTING_CTRL_1_REG 0x0008 ++#define GMAC_SW_TX_QUEUE0_PTR_REG 0x000C ++#define GMAC_SW_TX_QUEUE1_PTR_REG 0x0010 ++#define GMAC_SW_TX_QUEUE2_PTR_REG 0x0014 ++#define GMAC_SW_TX_QUEUE3_PTR_REG 0x0018 ++#define GMAC_SW_TX_QUEUE4_PTR_REG 0x001C ++#define GMAC_SW_TX_QUEUE5_PTR_REG 0x0020 ++#define GMAC_HW_TX_QUEUE0_PTR_REG 0x0024 ++#define GMAC_HW_TX_QUEUE1_PTR_REG 0x0028 ++#define GMAC_HW_TX_QUEUE2_PTR_REG 0x002C ++#define GMAC_HW_TX_QUEUE3_PTR_REG 0x0030 ++#define GMAC_DMA_TX_FIRST_DESC_REG 0x0038 ++#define GMAC_DMA_TX_CURR_DESC_REG 0x003C ++#define GMAC_DMA_TX_DESC_WORD0_REG 0x0040 ++#define GMAC_DMA_TX_DESC_WORD1_REG 0x0044 ++#define GMAC_DMA_TX_DESC_WORD2_REG 0x0048 ++#define GMAC_DMA_TX_DESC_WORD3_REG 0x004C ++#define GMAC_SW_TX_QUEUE_BASE_REG 0x0050 ++#define GMAC_HW_TX_QUEUE_BASE_REG 0x0054 ++#define GMAC_DMA_RX_FIRST_DESC_REG 0x0058 ++#define GMAC_DMA_RX_CURR_DESC_REG 0x005C ++#define GMAC_DMA_RX_DESC_WORD0_REG 0x0060 ++#define GMAC_DMA_RX_DESC_WORD1_REG 0x0064 ++#define GMAC_DMA_RX_DESC_WORD2_REG 0x0068 ++#define GMAC_DMA_RX_DESC_WORD3_REG 0x006C ++#define GMAC_HASH_ENGINE_REG0 0x0070 ++#define GMAC_HASH_ENGINE_REG1 0x0074 ++/* matching rule 0 Control register 0 */ ++#define GMAC_MR0CR0 0x0078 ++#define GMAC_MR0CR1 0x007C ++#define GMAC_MR0CR2 0x0080 ++#define GMAC_MR1CR0 0x0084 ++#define GMAC_MR1CR1 0x0088 ++#define GMAC_MR1CR2 0x008C ++#define GMAC_MR2CR0 0x0090 ++#define GMAC_MR2CR1 0x0094 ++#define GMAC_MR2CR2 0x0098 ++#define GMAC_MR3CR0 0x009C ++#define GMAC_MR3CR1 0x00A0 ++#define GMAC_MR3CR2 0x00A4 ++/* Support Protocol Regsister 0 */ ++#define GMAC_SPR0 0x00A8 ++#define GMAC_SPR1 0x00AC ++#define GMAC_SPR2 0x00B0 ++#define GMAC_SPR3 0x00B4 ++#define GMAC_SPR4 0x00B8 ++#define GMAC_SPR5 0x00BC ++#define GMAC_SPR6 0x00C0 ++#define GMAC_SPR7 0x00C4 ++/* GMAC Hash/Rx/Tx AHB Weighting register */ ++#define GMAC_AHB_WEIGHT_REG 0x00C8 ++ ++/* ++ * TOE GMAC 0/1 register ++ * #define TOE_GMAC0_BASE (TOE_BASE + 0xA000) ++ * #define TOE_GMAC1_BASE (TOE_BASE + 0xE000) ++ * Base 0x6000A000 or 0x6000E000 ++ */ ++enum GMAC_REGISTER { ++ GMAC_STA_ADD0 = 0x0000, ++ GMAC_STA_ADD1 = 0x0004, ++ GMAC_STA_ADD2 = 0x0008, ++ GMAC_RX_FLTR = 0x000c, ++ GMAC_MCAST_FIL0 = 0x0010, ++ GMAC_MCAST_FIL1 = 0x0014, ++ GMAC_CONFIG0 = 0x0018, ++ GMAC_CONFIG1 = 0x001c, ++ GMAC_CONFIG2 = 0x0020, ++ GMAC_CONFIG3 = 0x0024, ++ GMAC_RESERVED = 0x0028, ++ GMAC_STATUS = 0x002c, ++ GMAC_IN_DISCARDS= 0x0030, ++ GMAC_IN_ERRORS = 0x0034, ++ GMAC_IN_MCAST = 0x0038, ++ GMAC_IN_BCAST = 0x003c, ++ GMAC_IN_MAC1 = 0x0040, /* for STA 1 MAC Address */ ++ GMAC_IN_MAC2 = 0x0044 /* for STA 2 MAC Address */ ++}; ++ ++/* ++ * DMA Queues description Ring Base Address/Size Register (offset 0x0004) ++ */ ++typedef union { ++ unsigned int bits32; ++ unsigned int base_size; ++} DMA_Q_BASE_SIZE_T; ++#define DMA_Q_BASE_MASK (~0x0f) ++ ++/* ++ * DMA SKB Buffer register (offset 0x0008) ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_0008 { ++ unsigned int sw_skb_size : 16; /* SW Free poll SKB Size */ ++ unsigned int hw_skb_size : 16; /* HW Free poll SKB Size */ ++ } bits; ++} DMA_SKB_SIZE_T; ++ ++/* ++ * DMA SW Free Queue Read/Write Pointer Register (offset 0x000C) ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_000c { ++ unsigned int rptr : 16; /* Read Ptr, RO */ ++ unsigned int wptr : 16; /* Write Ptr, RW */ ++ } bits; ++} DMA_RWPTR_T; ++ ++/* ++ * DMA HW Free Queue Read/Write Pointer Register (offset 0x0010) ++ * see DMA_RWPTR_T structure ++ */ ++ ++/* ++ * Interrupt Status Register 0 (offset 0x0020) ++ * Interrupt Mask Register 0 (offset 0x0024) ++ * Interrupt Select Register 0 (offset 0x0028) ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_0020 { ++ /* GMAC0 SW Tx Queue 0 EOF Interrupt */ ++ unsigned int swtq00_eof : 1; ++ unsigned int swtq01_eof : 1; ++ unsigned int swtq02_eof : 1; ++ unsigned int swtq03_eof : 1; ++ unsigned int swtq04_eof : 1; ++ unsigned int swtq05_eof : 1; ++ /* GMAC1 SW Tx Queue 0 EOF Interrupt */ ++ unsigned int swtq10_eof : 1; ++ unsigned int swtq11_eof : 1; ++ unsigned int swtq12_eof : 1; ++ unsigned int swtq13_eof : 1; ++ unsigned int swtq14_eof : 1; ++ unsigned int swtq15_eof : 1; ++ /* GMAC0 SW Tx Queue 0 Finish Interrupt */ ++ unsigned int swtq00_fin : 1; ++ unsigned int swtq01_fin : 1; ++ unsigned int swtq02_fin : 1; ++ unsigned int swtq03_fin : 1; ++ unsigned int swtq04_fin : 1; ++ unsigned int swtq05_fin : 1; ++ /* GMAC1 SW Tx Queue 0 Finish Interrupt */ ++ unsigned int swtq10_fin : 1; ++ unsigned int swtq11_fin : 1; ++ unsigned int swtq12_fin : 1; ++ unsigned int swtq13_fin : 1; ++ unsigned int swtq14_fin : 1; ++ unsigned int swtq15_fin : 1; ++ /* GMAC0 Rx Descriptor Protocol Error */ ++ unsigned int rxPerr0 : 1; ++ /* GMAC0 AHB Bus Error while Rx */ ++ unsigned int rxDerr0 : 1; ++ /* GMAC1 Rx Descriptor Protocol Error */ ++ unsigned int rxPerr1 : 1; ++ /* GMAC1 AHB Bus Error while Rx */ ++ unsigned int rxDerr1 : 1; ++ /* GMAC0 Tx Descriptor Protocol Error */ ++ unsigned int txPerr0 : 1; ++ /* GMAC0 AHB Bus Error while Tx */ ++ unsigned int txDerr0 : 1; ++ /* GMAC1 Tx Descriptor Protocol Error */ ++ unsigned int txPerr1 : 1; ++ /* GMAC1 AHB Bus Error while Tx */ ++ unsigned int txDerr1 : 1; ++ } bits; ++} INTR_REG0_T; ++ ++#define GMAC1_TXDERR_INT_BIT BIT(31) ++#define GMAC1_TXPERR_INT_BIT BIT(30) ++#define GMAC0_TXDERR_INT_BIT BIT(29) ++#define GMAC0_TXPERR_INT_BIT BIT(28) ++#define GMAC1_RXDERR_INT_BIT BIT(27) ++#define GMAC1_RXPERR_INT_BIT BIT(26) ++#define GMAC0_RXDERR_INT_BIT BIT(25) ++#define GMAC0_RXPERR_INT_BIT BIT(24) ++#define GMAC1_SWTQ15_FIN_INT_BIT BIT(23) ++#define GMAC1_SWTQ14_FIN_INT_BIT BIT(22) ++#define GMAC1_SWTQ13_FIN_INT_BIT BIT(21) ++#define GMAC1_SWTQ12_FIN_INT_BIT BIT(20) ++#define GMAC1_SWTQ11_FIN_INT_BIT BIT(19) ++#define GMAC1_SWTQ10_FIN_INT_BIT BIT(18) ++#define GMAC0_SWTQ05_FIN_INT_BIT BIT(17) ++#define GMAC0_SWTQ04_FIN_INT_BIT BIT(16) ++#define GMAC0_SWTQ03_FIN_INT_BIT BIT(15) ++#define GMAC0_SWTQ02_FIN_INT_BIT BIT(14) ++#define GMAC0_SWTQ01_FIN_INT_BIT BIT(13) ++#define GMAC0_SWTQ00_FIN_INT_BIT BIT(12) ++#define GMAC1_SWTQ15_EOF_INT_BIT BIT(11) ++#define GMAC1_SWTQ14_EOF_INT_BIT BIT(10) ++#define GMAC1_SWTQ13_EOF_INT_BIT BIT(9) ++#define GMAC1_SWTQ12_EOF_INT_BIT BIT(8) ++#define GMAC1_SWTQ11_EOF_INT_BIT BIT(7) ++#define GMAC1_SWTQ10_EOF_INT_BIT BIT(6) ++#define GMAC0_SWTQ05_EOF_INT_BIT BIT(5) ++#define GMAC0_SWTQ04_EOF_INT_BIT BIT(4) ++#define GMAC0_SWTQ03_EOF_INT_BIT BIT(3) ++#define GMAC0_SWTQ02_EOF_INT_BIT BIT(2) ++#define GMAC0_SWTQ01_EOF_INT_BIT BIT(1) ++#define GMAC0_SWTQ00_EOF_INT_BIT BIT(0) ++ ++/* ++ * Interrupt Status Register 1 (offset 0x0030) ++ * Interrupt Mask Register 1 (offset 0x0034) ++ * Interrupt Select Register 1 (offset 0x0038) ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_0030 { ++ unsigned int default_q0_eof : 1; /* Default Queue 0 EOF Interrupt */ ++ unsigned int default_q1_eof : 1; /* Default Queue 1 EOF Interrupt */ ++ unsigned int class_rx : 14; /* Classification Queue Rx Interrupt */ ++ unsigned int hwtq00_eof : 1; /* GMAC0 HW Tx Queue0 EOF Interrupt */ ++ unsigned int hwtq01_eof : 1; /* GMAC0 HW Tx Queue1 EOF Interrupt */ ++ unsigned int hwtq02_eof : 1; /* GMAC0 HW Tx Queue2 EOF Interrupt */ ++ unsigned int hwtq03_eof : 1; /* GMAC0 HW Tx Queue3 EOF Interrupt */ ++ unsigned int hwtq10_eof : 1; /* GMAC1 HW Tx Queue0 EOF Interrupt */ ++ unsigned int hwtq11_eof : 1; /* GMAC1 HW Tx Queue1 EOF Interrupt */ ++ unsigned int hwtq12_eof : 1; /* GMAC1 HW Tx Queue2 EOF Interrupt */ ++ unsigned int hwtq13_eof : 1; /* GMAC1 HW Tx Queue3 EOF Interrupt */ ++ unsigned int toe_iq0_intr : 1; /* TOE Interrupt Queue 0 with Interrupts */ ++ unsigned int toe_iq1_intr : 1; /* TOE Interrupt Queue 1 with Interrupts */ ++ unsigned int toe_iq2_intr : 1; /* TOE Interrupt Queue 2 with Interrupts */ ++ unsigned int toe_iq3_intr : 1; /* TOE Interrupt Queue 3 with Interrupts */ ++ unsigned int toe_iq0_full : 1; /* TOE Interrupt Queue 0 Full Interrupt */ ++ unsigned int toe_iq1_full : 1; /* TOE Interrupt Queue 1 Full Interrupt */ ++ unsigned int toe_iq2_full : 1; /* TOE Interrupt Queue 2 Full Interrupt */ ++ unsigned int toe_iq3_full : 1; /* TOE Interrupt Queue 3 Full Interrupt */ ++ } bits; ++} INTR_REG1_T; ++ ++#define TOE_IQ3_FULL_INT_BIT BIT(31) ++#define TOE_IQ2_FULL_INT_BIT BIT(30) ++#define TOE_IQ1_FULL_INT_BIT BIT(29) ++#define TOE_IQ0_FULL_INT_BIT BIT(28) ++#define TOE_IQ3_INT_BIT BIT(27) ++#define TOE_IQ2_INT_BIT BIT(26) ++#define TOE_IQ1_INT_BIT BIT(25) ++#define TOE_IQ0_INT_BIT BIT(24) ++#define GMAC1_HWTQ13_EOF_INT_BIT BIT(23) ++#define GMAC1_HWTQ12_EOF_INT_BIT BIT(22) ++#define GMAC1_HWTQ11_EOF_INT_BIT BIT(21) ++#define GMAC1_HWTQ10_EOF_INT_BIT BIT(20) ++#define GMAC0_HWTQ03_EOF_INT_BIT BIT(19) ++#define GMAC0_HWTQ02_EOF_INT_BIT BIT(18) ++#define GMAC0_HWTQ01_EOF_INT_BIT BIT(17) ++#define GMAC0_HWTQ00_EOF_INT_BIT BIT(16) ++#define CLASS_RX_INT_BIT(x) BIT((x + 2)) ++#define DEFAULT_Q1_INT_BIT BIT(1) ++#define DEFAULT_Q0_INT_BIT BIT(0) ++ ++#define TOE_IQ_INT_BITS (TOE_IQ0_INT_BIT | TOE_IQ1_INT_BIT | \ ++ TOE_IQ2_INT_BIT | TOE_IQ3_INT_BIT) ++#define TOE_IQ_FULL_BITS (TOE_IQ0_FULL_INT_BIT | TOE_IQ1_FULL_INT_BIT | \ ++ TOE_IQ2_FULL_INT_BIT | TOE_IQ3_FULL_INT_BIT) ++#define TOE_IQ_ALL_BITS (TOE_IQ_INT_BITS | TOE_IQ_FULL_BITS) ++#define TOE_CLASS_RX_INT_BITS 0xfffc ++ ++/* ++ * Interrupt Status Register 2 (offset 0x0040) ++ * Interrupt Mask Register 2 (offset 0x0044) ++ * Interrupt Select Register 2 (offset 0x0048) ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_0040 { ++ unsigned int toe_q0_full : 1; // bit 0 TOE Queue 0 Full Interrupt ++ unsigned int toe_q1_full : 1; // bit 1 TOE Queue 1 Full Interrupt ++ unsigned int toe_q2_full : 1; // bit 2 TOE Queue 2 Full Interrupt ++ unsigned int toe_q3_full : 1; // bit 3 TOE Queue 3 Full Interrupt ++ unsigned int toe_q4_full : 1; // bit 4 TOE Queue 4 Full Interrupt ++ unsigned int toe_q5_full : 1; // bit 5 TOE Queue 5 Full Interrupt ++ unsigned int toe_q6_full : 1; // bit 6 TOE Queue 6 Full Interrupt ++ unsigned int toe_q7_full : 1; // bit 7 TOE Queue 7 Full Interrupt ++ unsigned int toe_q8_full : 1; // bit 8 TOE Queue 8 Full Interrupt ++ unsigned int toe_q9_full : 1; // bit 9 TOE Queue 9 Full Interrupt ++ unsigned int toe_q10_full : 1; // bit 10 TOE Queue 10 Full Interrupt ++ unsigned int toe_q11_full : 1; // bit 11 TOE Queue 11 Full Interrupt ++ unsigned int toe_q12_full : 1; // bit 12 TOE Queue 12 Full Interrupt ++ unsigned int toe_q13_full : 1; // bit 13 TOE Queue 13 Full Interrupt ++ unsigned int toe_q14_full : 1; // bit 14 TOE Queue 14 Full Interrupt ++ unsigned int toe_q15_full : 1; // bit 15 TOE Queue 15 Full Interrupt ++ unsigned int toe_q16_full : 1; // bit 16 TOE Queue 16 Full Interrupt ++ unsigned int toe_q17_full : 1; // bit 17 TOE Queue 17 Full Interrupt ++ unsigned int toe_q18_full : 1; // bit 18 TOE Queue 18 Full Interrupt ++ unsigned int toe_q19_full : 1; // bit 19 TOE Queue 19 Full Interrupt ++ unsigned int toe_q20_full : 1; // bit 20 TOE Queue 20 Full Interrupt ++ unsigned int toe_q21_full : 1; // bit 21 TOE Queue 21 Full Interrupt ++ unsigned int toe_q22_full : 1; // bit 22 TOE Queue 22 Full Interrupt ++ unsigned int toe_q23_full : 1; // bit 23 TOE Queue 23 Full Interrupt ++ unsigned int toe_q24_full : 1; // bit 24 TOE Queue 24 Full Interrupt ++ unsigned int toe_q25_full : 1; // bit 25 TOE Queue 25 Full Interrupt ++ unsigned int toe_q26_full : 1; // bit 26 TOE Queue 26 Full Interrupt ++ unsigned int toe_q27_full : 1; // bit 27 TOE Queue 27 Full Interrupt ++ unsigned int toe_q28_full : 1; // bit 28 TOE Queue 28 Full Interrupt ++ unsigned int toe_q29_full : 1; // bit 29 TOE Queue 29 Full Interrupt ++ unsigned int toe_q30_full : 1; // bit 30 TOE Queue 30 Full Interrupt ++ unsigned int toe_q31_full : 1; // bit 31 TOE Queue 31 Full Interrupt ++ } bits; ++} INTR_REG2_T; ++ ++#define TOE_QL_FULL_INT_BIT(x) BIT(x) ++ ++/* ++ * Interrupt Status Register 3 (offset 0x0050) ++ * Interrupt Mask Register 3 (offset 0x0054) ++ * Interrupt Select Register 3 (offset 0x0058) ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_0050 { ++ unsigned int toe_q32_full : 1; // bit 32 TOE Queue 32 Full Interrupt ++ unsigned int toe_q33_full : 1; // bit 33 TOE Queue 33 Full Interrupt ++ unsigned int toe_q34_full : 1; // bit 34 TOE Queue 34 Full Interrupt ++ unsigned int toe_q35_full : 1; // bit 35 TOE Queue 35 Full Interrupt ++ unsigned int toe_q36_full : 1; // bit 36 TOE Queue 36 Full Interrupt ++ unsigned int toe_q37_full : 1; // bit 37 TOE Queue 37 Full Interrupt ++ unsigned int toe_q38_full : 1; // bit 38 TOE Queue 38 Full Interrupt ++ unsigned int toe_q39_full : 1; // bit 39 TOE Queue 39 Full Interrupt ++ unsigned int toe_q40_full : 1; // bit 40 TOE Queue 40 Full Interrupt ++ unsigned int toe_q41_full : 1; // bit 41 TOE Queue 41 Full Interrupt ++ unsigned int toe_q42_full : 1; // bit 42 TOE Queue 42 Full Interrupt ++ unsigned int toe_q43_full : 1; // bit 43 TOE Queue 43 Full Interrupt ++ unsigned int toe_q44_full : 1; // bit 44 TOE Queue 44 Full Interrupt ++ unsigned int toe_q45_full : 1; // bit 45 TOE Queue 45 Full Interrupt ++ unsigned int toe_q46_full : 1; // bit 46 TOE Queue 46 Full Interrupt ++ unsigned int toe_q47_full : 1; // bit 47 TOE Queue 47 Full Interrupt ++ unsigned int toe_q48_full : 1; // bit 48 TOE Queue 48 Full Interrupt ++ unsigned int toe_q49_full : 1; // bit 49 TOE Queue 49 Full Interrupt ++ unsigned int toe_q50_full : 1; // bit 50 TOE Queue 50 Full Interrupt ++ unsigned int toe_q51_full : 1; // bit 51 TOE Queue 51 Full Interrupt ++ unsigned int toe_q52_full : 1; // bit 52 TOE Queue 52 Full Interrupt ++ unsigned int toe_q53_full : 1; // bit 53 TOE Queue 53 Full Interrupt ++ unsigned int toe_q54_full : 1; // bit 54 TOE Queue 54 Full Interrupt ++ unsigned int toe_q55_full : 1; // bit 55 TOE Queue 55 Full Interrupt ++ unsigned int toe_q56_full : 1; // bit 56 TOE Queue 56 Full Interrupt ++ unsigned int toe_q57_full : 1; // bit 57 TOE Queue 57 Full Interrupt ++ unsigned int toe_q58_full : 1; // bit 58 TOE Queue 58 Full Interrupt ++ unsigned int toe_q59_full : 1; // bit 59 TOE Queue 59 Full Interrupt ++ unsigned int toe_q60_full : 1; // bit 60 TOE Queue 60 Full Interrupt ++ unsigned int toe_q61_full : 1; // bit 61 TOE Queue 61 Full Interrupt ++ unsigned int toe_q62_full : 1; // bit 62 TOE Queue 62 Full Interrupt ++ unsigned int toe_q63_full : 1; // bit 63 TOE Queue 63 Full Interrupt ++ } bits; ++} INTR_REG3_T; ++ ++#define TOE_QH_FULL_INT_BIT(x) BIT(x-32) ++ ++/* ++ * Interrupt Status Register 4 (offset 0x0060) ++ * Interrupt Mask Register 4 (offset 0x0064) ++ * Interrupt Select Register 4 (offset 0x0068) ++ */ ++typedef union { ++ unsigned char byte; ++ struct bit_0060 { ++ unsigned char status_changed : 1; // Status Changed Intr for RGMII Mode ++ unsigned char rx_overrun : 1; // GMAC Rx FIFO overrun interrupt ++ unsigned char tx_pause_off : 1; // received pause off frame interrupt ++ unsigned char rx_pause_off : 1; // received pause off frame interrupt ++ unsigned char tx_pause_on : 1; // transmit pause on frame interrupt ++ unsigned char rx_pause_on : 1; // received pause on frame interrupt ++ unsigned char cnt_full : 1; // MIB counters half full interrupt ++ unsigned char reserved : 1; // ++ } _PACKED_ bits; ++} _PACKED_ GMAC_INTR_T; ++ ++typedef union { ++ unsigned int bits32; ++ struct bit_0060_2 { ++ unsigned int swfq_empty : 1; // bit 0 Software Free Queue Empty Intr. ++ unsigned int hwfq_empty : 1; // bit 1 Hardware Free Queue Empty Intr. ++ unsigned int class_qf_int : 14; // bit 15:2 Classification Rx Queue13-0 Full Intr. ++ GMAC_INTR_T gmac0; ++ GMAC_INTR_T gmac1; ++ } bits; ++} INTR_REG4_T; ++ ++#define GMAC1_RESERVED_INT_BIT BIT(31) ++#define GMAC1_MIB_INT_BIT BIT(30) ++#define GMAC1_RX_PAUSE_ON_INT_BIT BIT(29) ++#define GMAC1_TX_PAUSE_ON_INT_BIT BIT(28) ++#define GMAC1_RX_PAUSE_OFF_INT_BIT BIT(27) ++#define GMAC1_TX_PAUSE_OFF_INT_BIT BIT(26) ++#define GMAC1_RX_OVERRUN_INT_BIT BIT(25) ++#define GMAC1_STATUS_CHANGE_INT_BIT BIT(24) ++#define GMAC0_RESERVED_INT_BIT BIT(23) ++#define GMAC0_MIB_INT_BIT BIT(22) ++#define GMAC0_RX_PAUSE_ON_INT_BIT BIT(21) ++#define GMAC0_TX_PAUSE_ON_INT_BIT BIT(20) ++#define GMAC0_RX_PAUSE_OFF_INT_BIT BIT(19) ++#define GMAC0_TX_PAUSE_OFF_INT_BIT BIT(18) ++#define GMAC0_RX_OVERRUN_INT_BIT BIT(17) ++#define GMAC0_STATUS_CHANGE_INT_BIT BIT(16) ++#define CLASS_RX_FULL_INT_BIT(x) BIT((x+2)) ++#define HWFQ_EMPTY_INT_BIT BIT(1) ++#define SWFQ_EMPTY_INT_BIT BIT(0) ++ ++#if 1 ++#define GMAC0_INT_BITS (GMAC0_MIB_INT_BIT) ++#define GMAC1_INT_BITS (GMAC1_MIB_INT_BIT) ++#else ++#define GMAC0_INT_BITS (GMAC0_RESERVED_INT_BIT | GMAC0_MIB_INT_BIT | \ ++ GMAC0_RX_PAUSE_ON_INT_BIT | GMAC0_TX_PAUSE_ON_INT_BIT | \ ++ GMAC0_RX_PAUSE_OFF_INT_BIT | GMAC0_TX_PAUSE_OFF_INT_BIT | \ ++ GMAC0_RX_OVERRUN_INT_BIT | GMAC0_STATUS_CHANGE_INT_BIT) ++#define GMAC1_INT_BITS (GMAC1_RESERVED_INT_BIT | GMAC1_MIB_INT_BIT | \ ++ GMAC1_RX_PAUSE_ON_INT_BIT | GMAC1_TX_PAUSE_ON_INT_BIT | \ ++ GMAC1_RX_PAUSE_OFF_INT_BIT | GMAC1_TX_PAUSE_OFF_INT_BIT | \ ++ GMAC1_RX_OVERRUN_INT_BIT | GMAC1_STATUS_CHANGE_INT_BIT) ++#endif ++ ++#define CLASS_RX_FULL_INT_BITS 0xfffc ++ ++/* ++ * GLOBAL_QUEUE_THRESHOLD_REG (offset 0x0070) ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_0070_2 { ++ unsigned int swfq_empty : 8; // 7:0 Software Free Queue Empty Threshold ++ unsigned int hwfq_empty : 8; // 15:8 Hardware Free Queue Empty Threshold ++ unsigned int intrq : 8; // 23:16 ++ unsigned int toe_class : 8; // 31:24 ++ } bits; ++} QUEUE_THRESHOLD_T; ++ ++ ++/* ++ * GMAC DMA Control Register ++ * GMAC0 offset 0x8000 ++ * GMAC1 offset 0xC000 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_8000 { ++ unsigned int td_bus : 2; // bit 1:0 Peripheral Bus Width ++ unsigned int td_burst_size : 2; // bit 3:2 TxDMA max burst size for every AHB request ++ unsigned int td_prot : 4; // bit 7:4 TxDMA protection control ++ unsigned int rd_bus : 2; // bit 9:8 Peripheral Bus Width ++ unsigned int rd_burst_size : 2; // bit 11:10 DMA max burst size for every AHB request ++ unsigned int rd_prot : 4; // bit 15:12 DMA Protection Control ++ unsigned int rd_insert_bytes : 2; // bit 17:16 ++ unsigned int reserved : 10; // bit 27:18 ++ unsigned int drop_small_ack : 1; // bit 28 1: Drop, 0: Accept ++ unsigned int loopback : 1; // bit 29 Loopback TxDMA to RxDMA ++ unsigned int td_enable : 1; // bit 30 Tx DMA Enable ++ unsigned int rd_enable : 1; // bit 31 Rx DMA Enable ++ } bits; ++} GMAC_DMA_CTRL_T; ++ ++/* ++ * GMAC Tx Weighting Control Register 0 ++ * GMAC0 offset 0x8004 ++ * GMAC1 offset 0xC004 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_8004 { ++ unsigned int hw_tq0 : 6; // bit 5:0 HW TX Queue 3 ++ unsigned int hw_tq1 : 6; // bit 11:6 HW TX Queue 2 ++ unsigned int hw_tq2 : 6; // bit 17:12 HW TX Queue 1 ++ unsigned int hw_tq3 : 6; // bit 23:18 HW TX Queue 0 ++ unsigned int reserved : 8; // bit 31:24 ++ } bits; ++} GMAC_TX_WCR0_T; /* Weighting Control Register 0 */ ++ ++/* ++ * GMAC Tx Weighting Control Register 1 ++ * GMAC0 offset 0x8008 ++ * GMAC1 offset 0xC008 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_8008 { ++ unsigned int sw_tq0 : 5; // bit 4:0 SW TX Queue 0 ++ unsigned int sw_tq1 : 5; // bit 9:5 SW TX Queue 1 ++ unsigned int sw_tq2 : 5; // bit 14:10 SW TX Queue 2 ++ unsigned int sw_tq3 : 5; // bit 19:15 SW TX Queue 3 ++ unsigned int sw_tq4 : 5; // bit 24:20 SW TX Queue 4 ++ unsigned int sw_tq5 : 5; // bit 29:25 SW TX Queue 5 ++ unsigned int reserved : 2; // bit 31:30 ++ } bits; ++} GMAC_TX_WCR1_T; /* Weighting Control Register 1 */ ++ ++/* ++ * Queue Read/Write Pointer ++ * GMAC SW TX Queue 0~5 Read/Write Pointer register ++ * GMAC0 offset 0x800C ~ 0x8020 ++ * GMAC1 offset 0xC00C ~ 0xC020 ++ * GMAC HW TX Queue 0~3 Read/Write Pointer register ++ * GMAC0 offset 0x8024 ~ 0x8030 ++ * GMAC1 offset 0xC024 ~ 0xC030 ++ * ++ * see DMA_RWPTR_T structure ++ */ ++ ++/* ++ * GMAC DMA Tx First Description Address Register ++ * GMAC0 offset 0x8038 ++ * GMAC1 offset 0xC038 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_8038 { ++ unsigned int reserved : 3; ++ unsigned int td_busy : 1; // bit 3 1: TxDMA busy; 0: TxDMA idle ++ unsigned int td_first_des_ptr : 28; // bit 31:4 first descriptor address ++ } bits; ++} GMAC_TXDMA_FIRST_DESC_T; ++ ++/* ++ * GMAC DMA Tx Current Description Address Register ++ * GMAC0 offset 0x803C ++ * GMAC1 offset 0xC03C ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_803C { ++ unsigned int reserved : 4; ++ unsigned int td_curr_desc_ptr : 28; // bit 31:4 current descriptor address ++ } bits; ++} GMAC_TXDMA_CURR_DESC_T; ++ ++/* ++ * GMAC DMA Tx Description Word 0 Register ++ * GMAC0 offset 0x8040 ++ * GMAC1 offset 0xC040 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_8040 { ++ unsigned int buffer_size : 16; // bit 15:0 Transfer size ++ unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame ++ unsigned int status_tx_ok : 1; // bit 22 Tx Status, 1: Successful 0: Failed ++ unsigned int status_rvd : 6; // bit 28:23 Tx Status, Reserved bits ++ unsigned int perr : 1; // bit 29 protocol error during processing this descriptor ++ unsigned int derr : 1; // bit 30 data error during processing this descriptor ++ unsigned int reserved : 1; // bit 31 ++ } bits; ++} GMAC_TXDESC_0_T; ++ ++/* ++ * GMAC DMA Tx Description Word 1 Register ++ * GMAC0 offset 0x8044 ++ * GMAC1 offset 0xC044 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct txdesc_word1 { ++ unsigned int byte_count : 16; // bit 15: 0 Tx Frame Byte Count ++ unsigned int mtu_enable : 1; // bit 16 TSS segmentation use MTU setting ++ unsigned int ip_chksum : 1; // bit 17 IPV4 Header Checksum Enable ++ unsigned int ipv6_enable : 1; // bit 18 IPV6 Tx Enable ++ unsigned int tcp_chksum : 1; // bit 19 TCP Checksum Enable ++ unsigned int udp_chksum : 1; // bit 20 UDP Checksum Enable ++ unsigned int bypass_tss : 1; // bit 21 ++ unsigned int ip_fixed_len : 1; // bit 22 ++ unsigned int reserved : 9; // bit 31:23 Tx Flag, Reserved ++ } bits; ++} GMAC_TXDESC_1_T; ++ ++#define TSS_IP_FIXED_LEN_BIT BIT(22) ++#define TSS_UDP_CHKSUM_BIT BIT(20) ++#define TSS_TCP_CHKSUM_BIT BIT(19) ++#define TSS_IPV6_ENABLE_BIT BIT(18) ++#define TSS_IP_CHKSUM_BIT BIT(17) ++#define TSS_MTU_ENABLE_BIT BIT(16) ++ ++/* ++ * GMAC DMA Tx Description Word 2 Register ++ * GMAC0 offset 0x8048 ++ * GMAC1 offset 0xC048 ++ */ ++typedef union { ++ unsigned int bits32; ++ unsigned int buf_adr; ++} GMAC_TXDESC_2_T; ++ ++/* ++ * GMAC DMA Tx Description Word 3 Register ++ * GMAC0 offset 0x804C ++ * GMAC1 offset 0xC04C ++ */ ++typedef union { ++ unsigned int bits32; ++ struct txdesc_word3 { ++ unsigned int mtu_size : 11; // bit 10: 0 Tx Frame Byte Count ++ unsigned int reserved : 18; // bit 28:11 ++ unsigned int eofie : 1; // bit 29 End of frame interrupt enable ++ unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking ++ } bits; ++} GMAC_TXDESC_3_T; ++#define SOF_EOF_BIT_MASK 0x3fffffff ++#define SOF_BIT 0x80000000 ++#define EOF_BIT 0x40000000 ++#define EOFIE_BIT BIT(29) ++#define MTU_SIZE_BIT_MASK 0x7ff ++ ++/* ++ * GMAC Tx Descriptor ++ */ ++typedef struct { ++ GMAC_TXDESC_0_T word0; ++ GMAC_TXDESC_1_T word1; ++ GMAC_TXDESC_2_T word2; ++ GMAC_TXDESC_3_T word3; ++} GMAC_TXDESC_T; ++ ++/* ++ * GMAC DMA Rx First Description Address Register ++ * GMAC0 offset 0x8058 ++ * GMAC1 offset 0xC058 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_8058 { ++ unsigned int reserved : 3; // bit 2:0 ++ unsigned int rd_busy : 1; // bit 3 1-RxDMA busy; 0-RxDMA idle ++ unsigned int rd_first_des_ptr : 28; // bit 31:4 first descriptor address ++ } bits; ++} GMAC_RXDMA_FIRST_DESC_T; ++ ++/* ++ * GMAC DMA Rx Current Description Address Register ++ * GMAC0 offset 0x805C ++ * GMAC1 offset 0xC05C ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_805C { ++ unsigned int reserved : 4; // bit 3:0 ++ unsigned int rd_curr_des_ptr : 28; // bit 31:4 current descriptor address ++ } bits; ++} GMAC_RXDMA_CURR_DESC_T; ++ ++/* ++ * GMAC DMA Rx Description Word 0 Register ++ * GMAC0 offset 0x8060 ++ * GMAC1 offset 0xC060 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_8060 { ++ unsigned int buffer_size : 16; // bit 15:0 number of descriptors used for the current frame ++ unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame ++ unsigned int status : 4; // bit 24:22 Status of rx frame ++ unsigned int chksum_status : 3; // bit 28:26 Check Sum Status ++ unsigned int perr : 1; // bit 29 protocol error during processing this descriptor ++ unsigned int derr : 1; // bit 30 data error during processing this descriptor ++ unsigned int drop : 1; // bit 31 TOE/CIS Queue Full dropped packet to default queue ++ } bits; ++} GMAC_RXDESC_0_T; ++ ++#define GMAC_RXDESC_0_T_derr BIT(30) ++#define GMAC_RXDESC_0_T_perr BIT(29) ++#define GMAC_RXDESC_0_T_chksum_status(x) BIT((x+26)) ++#define GMAC_RXDESC_0_T_status(x) BIT((x+22)) ++#define GMAC_RXDESC_0_T_desc_count(x) BIT((x+16)) ++ ++#define RX_CHKSUM_IP_UDP_TCP_OK 0 ++#define RX_CHKSUM_IP_OK_ONLY 1 ++#define RX_CHKSUM_NONE 2 ++#define RX_CHKSUM_IP_ERR_UNKNOWN 4 ++#define RX_CHKSUM_IP_ERR 5 ++#define RX_CHKSUM_TCP_UDP_ERR 6 ++#define RX_CHKSUM_NUM 8 ++ ++#define RX_STATUS_GOOD_FRAME 0 ++#define RX_STATUS_TOO_LONG_GOOD_CRC 1 ++#define RX_STATUS_RUNT_FRAME 2 ++#define RX_STATUS_SFD_NOT_FOUND 3 ++#define RX_STATUS_CRC_ERROR 4 ++#define RX_STATUS_TOO_LONG_BAD_CRC 5 ++#define RX_STATUS_ALIGNMENT_ERROR 6 ++#define RX_STATUS_TOO_LONG_BAD_ALIGN 7 ++#define RX_STATUS_RX_ERR 8 ++#define RX_STATUS_DA_FILTERED 9 ++#define RX_STATUS_BUFFER_FULL 10 ++#define RX_STATUS_NUM 16 ++ ++ ++/* ++ * GMAC DMA Rx Description Word 1 Register ++ * GMAC0 offset 0x8064 ++ * GMAC1 offset 0xC064 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct rxdesc_word1 { ++ unsigned int byte_count : 16; // bit 15: 0 Rx Frame Byte Count ++ unsigned int sw_id : 16; // bit 31:16 Software ID ++ } bits; ++} GMAC_RXDESC_1_T; ++ ++/* ++ * GMAC DMA Rx Description Word 2 Register ++ * GMAC0 offset 0x8068 ++ * GMAC1 offset 0xC068 ++ */ ++typedef union { ++ unsigned int bits32; ++ unsigned int buf_adr; ++} GMAC_RXDESC_2_T; ++ ++#define RX_INSERT_NONE 0 ++#define RX_INSERT_1_BYTE 1 ++#define RX_INSERT_2_BYTE 2 ++#define RX_INSERT_3_BYTE 3 ++ ++#define RX_INSERT_BYTES RX_INSERT_2_BYTE ++/* ++ * GMAC DMA Rx Description Word 3 Register ++ * GMAC0 offset 0x806C ++ * GMAC1 offset 0xC06C ++ */ ++typedef union { ++ unsigned int bits32; ++ struct rxdesc_word3 { ++ unsigned int l3_offset : 8; // bit 7: 0 L3 data offset ++ unsigned int l4_offset : 8; // bit 15: 8 L4 data offset ++ unsigned int l7_offset : 8; // bit 23: 16 L7 data offset ++ unsigned int dup_ack : 1; // bit 24 Duplicated ACK detected ++ unsigned int abnormal : 1; // bit 25 abnormal case found ++ unsigned int option : 1; // bit 26 IPV4 option or IPV6 extension header ++ unsigned int out_of_seq : 1; // bit 27 Out of Sequence packet ++ unsigned int ctrl_flag : 1; // bit 28 Control Flag is present ++ unsigned int eofie : 1; // bit 29 End of frame interrupt enable ++ unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking ++ } bits; ++} GMAC_RXDESC_3_T; ++ ++/* ++ * GMAC Rx Descriptor ++ */ ++typedef struct { ++ GMAC_RXDESC_0_T word0; ++ GMAC_RXDESC_1_T word1; ++ GMAC_RXDESC_2_T word2; ++ GMAC_RXDESC_3_T word3; ++} GMAC_RXDESC_T; ++ ++/* ++ * GMAC Hash Engine Enable/Action Register 0 Offset Register ++ * GMAC0 offset 0x8070 ++ * GMAC1 offset 0xC070 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_8070 { ++ unsigned int mr0hel : 6; // bit 5:0 match rule 0 hash entry size ++ unsigned int mr0_action : 5; // bit 10:6 Matching Rule 0 action offset ++ unsigned int reserved0 : 4; // bit 14:11 ++ unsigned int mr0en : 1; // bit 15 Enable Matching Rule 0 ++ unsigned int mr1hel : 6; // bit 21:16 match rule 1 hash entry size ++ unsigned int mr1_action : 5; // bit 26:22 Matching Rule 1 action offset ++ unsigned int timing : 3; // bit 29:27 ++ unsigned int reserved1 : 1; // bit 30 ++ unsigned int mr1en : 1; // bit 31 Enable Matching Rule 1 ++ } bits; ++} GMAC_HASH_ENABLE_REG0_T; ++ ++/* ++ * GMAC Hash Engine Enable/Action Register 1 Offset Register ++ * GMAC0 offset 0x8074 ++ * GMAC1 offset 0xC074 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_8074 { ++ unsigned int mr2hel : 6; // bit 5:0 match rule 2 hash entry size ++ unsigned int mr2_action : 5; // bit 10:6 Matching Rule 2 action offset ++ unsigned int reserved2 : 4; // bit 14:11 ++ unsigned int mr2en : 1; // bit 15 Enable Matching Rule 2 ++ unsigned int mr3hel : 6; // bit 21:16 match rule 3 hash entry size ++ unsigned int mr3_action : 5; // bit 26:22 Matching Rule 3 action offset ++ unsigned int reserved1 : 4; // bit 30:27 ++ unsigned int mr3en : 1; // bit 31 Enable Matching Rule 3 ++ } bits; ++} GMAC_HASH_ENABLE_REG1_T; ++ ++/* ++ * GMAC Matching Rule Control Register 0 ++ * GMAC0 offset 0x8078 ++ * GMAC1 offset 0xC078 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_8078 { ++ unsigned int sprx : 8; // bit 7:0 Support Protocol Register 7:0 ++ unsigned int reserved2 : 4; // bit 11:8 ++ unsigned int tos_traffic : 1; // bit 12 IPV4 TOS or IPV6 Traffice Class ++ unsigned int flow_lable : 1; // bit 13 IPV6 Flow label ++ unsigned int ip_hdr_len : 1; // bit 14 IPV4 Header length ++ unsigned int ip_version : 1; // bit 15 0: IPV4, 1: IPV6 ++ unsigned int reserved1 : 3; // bit 18:16 ++ unsigned int pppoe : 1; // bit 19 PPPoE Session ID enable ++ unsigned int vlan : 1; // bit 20 VLAN ID enable ++ unsigned int ether_type : 1; // bit 21 Ethernet type enable ++ unsigned int sa : 1; // bit 22 MAC SA enable ++ unsigned int da : 1; // bit 23 MAC DA enable ++ unsigned int priority : 3; // bit 26:24 priority if multi-rules matched ++ unsigned int port : 1; // bit 27 PORT ID matching enable ++ unsigned int l7 : 1; // bit 28 L7 matching enable ++ unsigned int l4 : 1; // bit 29 L4 matching enable ++ unsigned int l3 : 1; // bit 30 L3 matching enable ++ unsigned int l2 : 1; // bit 31 L2 matching enable ++ } bits; ++} GMAC_MRxCR0_T; ++ ++#define MR_L2_BIT BIT(31) ++#define MR_L3_BIT BIT(30) ++#define MR_L4_BIT BIT(29) ++#define MR_L7_BIT BIT(28) ++#define MR_PORT_BIT BIT(27) ++#define MR_PRIORITY_BIT BIT(26) ++#define MR_DA_BIT BIT(23) ++#define MR_SA_BIT BIT(22) ++#define MR_ETHER_TYPE_BIT BIT(21) ++#define MR_VLAN_BIT BIT(20) ++#define MR_PPPOE_BIT BIT(19) ++#define MR_IP_VER_BIT BIT(15) ++#define MR_IP_HDR_LEN_BIT BIT(14) ++#define MR_FLOW_LABLE_BIT BIT(13) ++#define MR_TOS_TRAFFIC_BIT BIT(12) ++#define MR_SPR_BIT(x) BIT(x) ++#define MR_SPR_BITS 0xff ++ ++/* ++ * GMAC Matching Rule Control Register 1 ++ * GMAC0 offset 0x807C ++ * GMAC1 offset 0xC07C ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_807C { ++ unsigned int l4_byte0_15 : 16; // bit 15: 0 ++ unsigned int dip_netmask : 7; // bit 22:16 Dest IP net mask, number of mask bits ++ unsigned int dip : 1; // bit 23 Dest IP ++ unsigned int sip_netmask : 7; // bit 30:24 Srce IP net mask, number of mask bits ++ unsigned int sip : 1; // bit 31 Srce IP ++ } bits; ++} GMAC_MRxCR1_T; ++ ++/* ++ * GMAC Matching Rule Control Register 2 ++ * GMAC0 offset 0x8080 ++ * GMAC1 offset 0xC080 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_8080 { ++ unsigned int l7_byte0_23 : 24; // bit 23:0 ++ unsigned int l4_byte16_24 : 8; // bit 31: 24 ++ } bits; ++} GMAC_MRxCR2_T; ++ ++/* ++ * GMAC Support registers ++ * GMAC0 offset 0x80A8 ++ * GMAC1 offset 0xC0A8 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_80A8 { ++ unsigned int protocol : 8; // bit 7:0 Supported protocol ++ unsigned int swap : 3; // bit 10:8 Swap ++ unsigned int reserved : 21; // bit 31:11 ++ } bits; ++} GMAC_SPR_T; ++ ++/* ++ * GMAC_AHB_WEIGHT registers ++ * GMAC0 offset 0x80C8 ++ * GMAC1 offset 0xC0C8 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_80C8 { ++ unsigned int hash_weight : 5; // 4:0 ++ unsigned int rx_weight : 5; // 9:5 ++ unsigned int tx_weight : 5; // 14:10 ++ unsigned int pre_req : 5; // 19:15 Rx Data Pre Request FIFO Threshold ++ unsigned int tqDV_threshold : 5; // 24:20 DMA TqCtrl to Start tqDV FIFO Threshold ++ unsigned int reserved : 7; // 31:25 ++ } bits; ++} GMAC_AHB_WEIGHT_T; ++ ++/* ++ * the register structure of GMAC ++ */ ++ ++/* ++ * GMAC RX FLTR ++ * GMAC0 Offset 0xA00C ++ * GMAC1 Offset 0xE00C ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit1_000c { ++ unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */ ++ unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */ ++ unsigned int broadcast : 1; /* enable receive of broadcast frames */ ++ unsigned int promiscuous : 1; /* enable receive of all frames */ ++ unsigned int error : 1; /* enable receive of all error frames */ ++ unsigned int : 27; ++ } bits; ++} GMAC_RX_FLTR_T; ++ ++/* ++ * GMAC Configuration 0 ++ * GMAC0 Offset 0xA018 ++ * GMAC1 Offset 0xE018 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit1_0018 { ++ unsigned int dis_tx : 1; /* 0: disable transmit */ ++ unsigned int dis_rx : 1; /* 1: disable receive */ ++ unsigned int loop_back : 1; /* 2: transmit data loopback enable */ ++ unsigned int flow_ctrl : 1; /* 3: flow control also trigged by Rx queues */ ++ unsigned int adj_ifg : 4; /* 4-7: adjust IFG from 96+/-56 */ ++ unsigned int max_len : 3; /* 8-10 maximum receive frame length allowed */ ++ unsigned int dis_bkoff : 1; /* 11: disable back-off function */ ++ unsigned int dis_col : 1; /* 12: disable 16 collisions abort function */ ++ unsigned int sim_test : 1; /* 13: speed up timers in simulation */ ++ unsigned int rx_fc_en : 1; /* 14: RX flow control enable */ ++ unsigned int tx_fc_en : 1; /* 15: TX flow control enable */ ++ unsigned int rgmii_en : 1; /* 16: RGMII in-band status enable */ ++ unsigned int ipv4_rx_chksum : 1; /* 17: IPv4 RX Checksum enable */ ++ unsigned int ipv6_rx_chksum : 1; /* 18: IPv6 RX Checksum enable */ ++ unsigned int rx_tag_remove : 1; /* 19: Remove Rx VLAN tag */ ++ unsigned int rgmm_edge : 1; // 20 ++ unsigned int rxc_inv : 1; // 21 ++ unsigned int ipv6_exthdr_order : 1; // 22 ++ unsigned int rx_err_detect : 1; // 23 ++ unsigned int port0_chk_hwq : 1; // 24 ++ unsigned int port1_chk_hwq : 1; // 25 ++ unsigned int port0_chk_toeq : 1; // 26 ++ unsigned int port1_chk_toeq : 1; // 27 ++ unsigned int port0_chk_classq : 1; // 28 ++ unsigned int port1_chk_classq : 1; // 29 ++ unsigned int reserved : 2; // 31 ++ } bits; ++} GMAC_CONFIG0_T; ++ ++/* ++ * GMAC Configuration 1 ++ * GMAC0 Offset 0xA01C ++ * GMAC1 Offset 0xE01C ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit1_001c { ++ unsigned int set_threshold : 8; /* flow control set threshold */ ++ unsigned int rel_threshold : 8; /* flow control release threshold */ ++ unsigned int reserved : 16; ++ } bits; ++} GMAC_CONFIG1_T; ++ ++#define GMAC_FLOWCTRL_SET_MAX 32 ++#define GMAC_FLOWCTRL_SET_MIN 0 ++#define GMAC_FLOWCTRL_RELEASE_MAX 32 ++#define GMAC_FLOWCTRL_RELEASE_MIN 0 ++ ++/* ++ * GMAC Configuration 2 ++ * GMAC0 Offset 0xA020 ++ * GMAC1 Offset 0xE020 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit1_0020 { ++ unsigned int set_threshold : 16; /* flow control set threshold */ ++ unsigned int rel_threshold : 16; /* flow control release threshold */ ++ } bits; ++} GMAC_CONFIG2_T; ++ ++/* ++ * GMAC Configuration 3 ++ * GMAC0 Offset 0xA024 ++ * GMAC1 Offset 0xE024 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit1_0024 { ++ unsigned int set_threshold : 16; /* flow control set threshold */ ++ unsigned int rel_threshold : 16; /* flow control release threshold */ ++ } bits; ++} GMAC_CONFIG3_T; ++ ++ ++/* ++ * GMAC STATUS ++ * GMAC0 Offset 0xA02C ++ * GMAC1 Offset 0xE02C ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit1_002c { ++ unsigned int link : 1; /* link status */ ++ unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */ ++ unsigned int duplex : 1; /* duplex mode */ ++ unsigned int reserved : 1; ++ unsigned int mii_rmii : 2; /* PHY interface type */ ++ unsigned int : 25; ++ } bits; ++} GMAC_STATUS_T; ++ ++#define GMAC_SPEED_10 0 ++#define GMAC_SPEED_100 1 ++#define GMAC_SPEED_1000 2 ++ ++#define GMAC_PHY_MII 0 ++#define GMAC_PHY_GMII 1 ++#define GMAC_PHY_RGMII_100_10 2 ++#define GMAC_PHY_RGMII_1000 3 ++ ++/* ++ * Queue Header ++ * (1) TOE Queue Header ++ * (2) Non-TOE Queue Header ++ * (3) Interrupt Queue Header ++ * ++ * memory Layout ++ * TOE Queue Header ++ * 0x60003000 +---------------------------+ 0x0000 ++ * | TOE Queue 0 Header | ++ * | 8 * 4 Bytes | ++ * +---------------------------+ 0x0020 ++ * | TOE Queue 1 Header | ++ * | 8 * 4 Bytes | ++ * +---------------------------+ 0x0040 ++ * | ...... | ++ * | | ++ * +---------------------------+ ++ * ++ * Non TOE Queue Header ++ * 0x60002000 +---------------------------+ 0x0000 ++ * | Default Queue 0 Header | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ 0x0008 ++ * | Default Queue 1 Header | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ 0x0010 ++ * | Classification Queue 0 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ ++ * | Classification Queue 1 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ (n * 8 + 0x10) ++ * | ... | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ (13 * 8 + 0x10) ++ * | Classification Queue 13 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ 0x80 ++ * | Interrupt Queue 0 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ ++ * | Interrupt Queue 1 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ ++ * | Interrupt Queue 2 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ ++ * | Interrupt Queue 3 | ++ * | 2 * 4 Bytes | ++ * +---------------------------+ ++ * ++ */ ++#define TOE_QUEUE_HDR_ADDR(n) (TOE_TOE_QUE_HDR_BASE + n * 32) ++#define TOE_Q_HDR_AREA_END (TOE_QUEUE_HDR_ADDR(TOE_TOE_QUEUE_MAX + 1)) ++#define TOE_DEFAULT_Q_HDR_BASE(x) (TOE_NONTOE_QUE_HDR_BASE + 0x08 * (x)) ++#define TOE_CLASS_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x10) ++#define TOE_INTR_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x80) ++#define INTERRUPT_QUEUE_HDR_ADDR(n) (TOE_INTR_Q_HDR_BASE + n * 8) ++#define NONTOE_Q_HDR_AREA_END (INTERRUPT_QUEUE_HDR_ADDR(TOE_INTR_QUEUE_MAX + 1)) ++/* ++ * TOE Queue Header Word 0 ++ */ ++typedef union { ++ unsigned int bits32; ++ unsigned int base_size; ++} TOE_QHDR0_T; ++ ++#define TOE_QHDR0_BASE_MASK (~0x0f) ++ ++/* ++ * TOE Queue Header Word 1 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_qhdr1 { ++ unsigned int rptr : 16; // bit 15:0 ++ unsigned int wptr : 16; // bit 31:16 ++ } bits; ++} TOE_QHDR1_T; ++ ++/* ++ * TOE Queue Header Word 2 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_qhdr2 { ++ unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size ++ unsigned int reserved : 7; // bit 23:17 ++ unsigned int dack : 1; // bit 24 1: Duplicated ACK ++ unsigned int abn : 1; // bit 25 1: Abnormal case Found ++ unsigned int tcp_opt : 1; // bit 26 1: Have TCP option ++ unsigned int ip_opt : 1; // bit 27 1: have IPV4 option or IPV6 Extension header ++ unsigned int sat : 1; // bit 28 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold ++ unsigned int osq : 1; // bit 29 1: out of sequence ++ unsigned int ctl : 1; // bit 30 1: have control flag bits (except ack) ++ unsigned int usd : 1; // bit 31 0: if no data assembled yet ++ } bits; ++} TOE_QHDR2_T; ++ ++/* ++ * TOE Queue Header Word 3 ++ */ ++typedef union { ++ unsigned int bits32; ++ unsigned int seq_num; ++} TOE_QHDR3_T; ++ ++/* ++ * TOE Queue Header Word 4 ++ */ ++typedef union { ++ unsigned int bits32; ++ unsigned int ack_num; ++} TOE_QHDR4_T; ++ ++/* ++ * TOE Queue Header Word 5 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_qhdr5 { ++ unsigned int AckCnt : 16; // bit 15:0 ++ unsigned int SeqCnt : 16; // bit 31:16 ++ } bits; ++} TOE_QHDR5_T; ++ ++/* ++ * TOE Queue Header Word 6 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_qhdr6 { ++ unsigned int WinSize : 16; // bit 15:0 ++ unsigned int iq_num : 2; // bit 17:16 ++ unsigned int MaxPktSize : 14; // bit 31:18 ++ } bits; ++} TOE_QHDR6_T; ++ ++/* ++ * TOE Queue Header Word 7 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_qhdr7 { ++ unsigned int AckThreshold : 16; // bit 15:0 ++ unsigned int SeqThreshold : 16; // bit 31:16 ++ } bits; ++} TOE_QHDR7_T; ++ ++/* ++ * TOE Queue Header ++ */ ++typedef struct { ++ TOE_QHDR0_T word0; ++ TOE_QHDR1_T word1; ++ TOE_QHDR2_T word2; ++ TOE_QHDR3_T word3; ++ TOE_QHDR4_T word4; ++ TOE_QHDR5_T word5; ++ TOE_QHDR6_T word6; ++ TOE_QHDR7_T word7; ++} TOE_QHDR_T; ++ ++/* ++ * NONTOE Queue Header Word 0 ++ */ ++typedef union { ++ unsigned int bits32; ++ unsigned int base_size; ++} NONTOE_QHDR0_T; ++ ++#define NONTOE_QHDR0_BASE_MASK (~0x0f) ++ ++/* ++ * NONTOE Queue Header Word 1 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_nonqhdr1 { ++ unsigned int rptr : 16; // bit 15:0 ++ unsigned int wptr : 16; // bit 31:16 ++ } bits; ++} NONTOE_QHDR1_T; ++ ++/* ++ * Non-TOE Queue Header ++ */ ++typedef struct { ++ NONTOE_QHDR0_T word0; ++ NONTOE_QHDR1_T word1; ++} NONTOE_QHDR_T; ++ ++/* ++ * Interrupt Queue Header Word 0 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_intrqhdr0 { ++ unsigned int win_size : 16; // bit 15:0 Descriptor Ring Size ++ unsigned int wptr : 16; // bit 31:16 Write Pointer where hw stopped ++ } bits; ++} INTR_QHDR0_T; ++ ++/* ++ * Interrupt Queue Header Word 1 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_intrqhdr1 { ++ unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size ++ unsigned int tcp_qid : 8; // bit 24:17 TCP Queue ID ++ unsigned int dack : 1; // bit 25 1: Duplicated ACK ++ unsigned int abn : 1; // bit 26 1: Abnormal case Found ++ unsigned int tcp_opt : 1; // bit 27 1: Have TCP option ++ unsigned int ip_opt : 1; // bit 28 1: have IPV4 option or IPV6 Extension header ++ unsigned int sat : 1; // bit 29 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold ++ unsigned int osq : 1; // bit 30 1: out of sequence ++ unsigned int ctl : 1; // bit 31 1: have control flag bits (except ack) ++ } bits; ++} INTR_QHDR1_T; ++ ++/* ++ * Interrupt Queue Header Word 2 ++ */ ++typedef union { ++ unsigned int bits32; ++ unsigned int seq_num; ++} INTR_QHDR2_T; ++ ++/* ++ * Interrupt Queue Header Word 3 ++ */ ++typedef union { ++ unsigned int bits32; ++ unsigned int ack_num; ++} INTR_QHDR3_T; ++ ++/* ++ * Interrupt Queue Header Word 4 ++ */ ++typedef union { ++ unsigned int bits32; ++ struct bit_intrqhdr4 { ++ unsigned int AckCnt : 16; // bit 15:0 Ack# change since last ack# intr. ++ unsigned int SeqCnt : 16; // bit 31:16 Seq# change since last seq# intr. ++ } bits; ++} INTR_QHDR4_T; ++ ++/* ++ * Interrupt Queue Header ++ */ ++typedef struct { ++ INTR_QHDR0_T word0; ++ INTR_QHDR1_T word1; ++ INTR_QHDR2_T word2; ++ INTR_QHDR3_T word3; ++ INTR_QHDR4_T word4; ++ unsigned int word5; ++ unsigned int word6; ++ unsigned int word7; ++} INTR_QHDR_T; ++ ++/* ++ * GMAC private data ++ */ ++typedef struct { ++ unsigned int rwptr_reg; ++ unsigned int desc_base; ++ unsigned int desc_base_dma; ++ unsigned short finished_idx; ++ struct sk_buff *tx_skb[TOE_GMAC_SWTXQ_DESC_NUM]; ++} GMAC_SWTXQ_T; ++ ++struct gmac_private { ++ struct phy_device *phydev; ++ unsigned int port_id; ++ unsigned int dma_base_addr; ++ unsigned int swtxq_desc_base; ++ GMAC_SWTXQ_T swtxq[TOE_SW_TXQ_NUM]; ++ NONTOE_QHDR_T *default_qhdr; ++ unsigned int default_desc_base; ++ dma_addr_t default_desc_base_dma; ++ dma_addr_t swtxq_desc_base_dma; ++ unsigned int flow_control_enable; ++ unsigned int intr0_enabled; ++ unsigned int intr1_enabled; ++ unsigned int intr2_enabled; ++ unsigned int intr3_enabled; ++ unsigned int intr4_enabled; ++ unsigned int intr0_selected; ++ unsigned int intr1_selected; ++ unsigned int intr2_selected; ++ unsigned int intr3_selected; ++ unsigned int intr4_selected; ++}; ++ ++struct toe_private { ++ void __iomem *global_base; ++ struct net_device *net_dev[2]; ++ struct device *dev; ++ struct work_struct freq_work; ++ spinlock_t freeq_lock; ++ unsigned int swfq_desc_base; ++ unsigned int hwfq_desc_base; ++ unsigned int hwfq_buf_base; ++ dma_addr_t sw_freeq_desc_base_dma; ++ dma_addr_t hw_freeq_desc_base_dma; ++ dma_addr_t hwfq_buf_base_dma; ++ dma_addr_t hwfq_buf_end_dma; ++}; ++ ++#define GMAC_PORT0 0 ++#define GMAC_PORT1 1 ++ ++#endif /* _GMAC_SL351x_H */ +--- /dev/null ++++ b/drivers/net/gemini_negmac/Makefile +@@ -0,0 +1,3 @@ ++obj-$(CONFIG_GEMINI_NET_ENGINE_GMAC)+= gemini_negmac.o ++ ++gemini_negmac-objs := gm_gmac.o +--- a/drivers/net/Kconfig ++++ b/drivers/net/Kconfig +@@ -103,6 +103,13 @@ config NET_FC + adaptor below. You also should have said Y to "SCSI support" and + "SCSI generic support". + ++config GEMINI_NET_ENGINE_GMAC ++ tristate "Gemini Gigabit Ethernet support" ++ depends on ARCH_GEMINI ++ select PHYLIB ++ help ++ This driver supports Gemini TOE and NAT dual Gigabit Ethernet. ++ + config MII + tristate "Generic Media Independent Interface device support" + help +--- a/drivers/net/Makefile ++++ b/drivers/net/Makefile +@@ -33,6 +33,7 @@ obj-$(CONFIG_ETRAX_ETHERNET) += cris/ + obj-$(CONFIG_NET_DSA) += dsa/ + obj-$(CONFIG_ETHERNET) += ethernet/ + obj-$(CONFIG_FDDI) += fddi/ ++obj-$(CONFIG_GEMINI_NET_ENGINE_GMAC) += gemini_negmac/ + obj-$(CONFIG_HIPPI) += hippi/ + obj-$(CONFIG_HAMRADIO) += hamradio/ + obj-$(CONFIG_IRDA) += irda/ diff --git a/target/linux/gemini/patches-3.3/121-arm-gemini-add-ethernet-device.patch b/target/linux/gemini/patches-3.3/121-arm-gemini-add-ethernet-device.patch new file mode 100644 index 000000000..00100c0a9 --- /dev/null +++ b/target/linux/gemini/patches-3.3/121-arm-gemini-add-ethernet-device.patch @@ -0,0 +1,81 @@ +--- a/arch/arm/mach-gemini/common.h ++++ b/arch/arm/mach-gemini/common.h +@@ -13,6 +13,7 @@ + #define __GEMINI_COMMON_H__ + + struct mtd_partition; ++struct gemini_gmac_platform_data; + + extern void gemini_map_io(void); + extern void gemini_init_irq(void); +@@ -26,5 +27,6 @@ extern int platform_register_pflash(unsi + struct mtd_partition *parts, + unsigned int nr_parts); + extern int platform_register_watchdog(void); ++extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata); + + #endif /* __GEMINI_COMMON_H__ */ +--- a/arch/arm/mach-gemini/devices.c ++++ b/arch/arm/mach-gemini/devices.c +@@ -17,6 +17,7 @@ + #include <mach/irqs.h> + #include <mach/hardware.h> + #include <mach/global_reg.h> ++#include <mach/gmac.h> + #include "common.h" + + static struct plat_serial8250_port serial_platform_data[] = { +@@ -134,3 +135,53 @@ int __init platform_register_watchdog(vo + { + return platform_device_register(&wdt_device); + } ++ ++static struct resource gmac_resources[] = { ++ { ++ .start = 0x60000000, ++ .end = 0x6000ffff, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = IRQ_GMAC0, ++ .end = IRQ_GMAC0, ++ .flags = IORESOURCE_IRQ, ++ }, ++ { ++ .start = IRQ_GMAC1, ++ .end = IRQ_GMAC1, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static u64 gmac_dmamask = 0xffffffffUL; ++ ++static struct platform_device ethernet_device = { ++ .name = "gemini-gmac", ++ .id = 0, ++ .dev = { ++ .dma_mask = &gmac_dmamask, ++ .coherent_dma_mask = DMA_BIT_MASK(32), ++ }, ++ .num_resources = ARRAY_SIZE(gmac_resources), ++ .resource = gmac_resources, ++}; ++ ++int __init platform_register_ethernet(struct gemini_gmac_platform_data *pdata) ++{ ++ unsigned int reg; ++ ++ reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL); ++ reg &= ~(GMAC_GMII | GMAC_1_ENABLE); ++ ++ if (pdata->bus_id[1]) ++ reg |= GMAC_1_ENABLE; ++ else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII) ++ reg |= GMAC_GMII; ++ ++ __raw_writel(reg, IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL); ++ ++ ethernet_device.dev.platform_data = pdata; ++ ++ return platform_device_register(ðernet_device); ++} diff --git a/target/linux/gemini/patches-3.3/122-arm-gemini-wbd111-register-ethernet.patch b/target/linux/gemini/patches-3.3/122-arm-gemini-wbd111-register-ethernet.patch new file mode 100644 index 000000000..da2eefc07 --- /dev/null +++ b/target/linux/gemini/patches-3.3/122-arm-gemini-wbd111-register-ethernet.patch @@ -0,0 +1,41 @@ +--- a/arch/arm/mach-gemini/board-wbd111.c ++++ b/arch/arm/mach-gemini/board-wbd111.c +@@ -22,9 +22,29 @@ + #include <asm/mach/arch.h> + #include <asm/mach/time.h> + ++#include <mach/gmac.h> + + #include "common.h" + ++static struct mdio_gpio_platform_data wbd111_mdio = { ++ .mdc = 22, ++ .mdio = 21, ++ .phy_mask = ~(1 << 1), ++}; ++ ++static struct platform_device wbd111_phy_device = { ++ .name = "mdio-gpio", ++ .id = 0, ++ .dev = { ++ .platform_data = &wbd111_mdio, ++ }, ++}; ++ ++static struct gemini_gmac_platform_data gmac_data = { ++ .bus_id[0] = "0:01", ++ .interface[0] = PHY_INTERFACE_MODE_MII, ++}; ++ + static struct gpio_keys_button wbd111_keys[] = { + { + .code = KEY_SETUP, +@@ -127,6 +147,8 @@ static void __init wbd111_init(void) + platform_device_register(&wbd111_keys_device); + platform_register_rtc(); + platform_register_watchdog(); ++ platform_device_register(&wbd111_phy_device); ++ platform_register_ethernet(&gmac_data); + } + + MACHINE_START(WBD111, "Wiliboard WBD-111") diff --git a/target/linux/gemini/patches-3.3/123-arm-gemini-wbd222-register-eth.patch b/target/linux/gemini/patches-3.3/123-arm-gemini-wbd222-register-eth.patch new file mode 100644 index 000000000..6318af86a --- /dev/null +++ b/target/linux/gemini/patches-3.3/123-arm-gemini-wbd222-register-eth.patch @@ -0,0 +1,43 @@ +--- a/arch/arm/mach-gemini/board-wbd222.c ++++ b/arch/arm/mach-gemini/board-wbd222.c +@@ -22,9 +22,31 @@ + #include <asm/mach/arch.h> + #include <asm/mach/time.h> + ++#include <mach/gmac.h> + + #include "common.h" + ++static struct mdio_gpio_platform_data wbd222_mdio = { ++ .mdc = 22, ++ .mdio = 21, ++ .phy_mask = ~((1 << 1) | (1 << 3)), ++}; ++ ++static struct platform_device wbd222_phy_device = { ++ .name = "mdio-gpio", ++ .id = 0, ++ .dev = { ++ .platform_data = &wbd222_mdio, ++ }, ++}; ++ ++static struct gemini_gmac_platform_data gmac_data = { ++ .bus_id[0] = "0:01", ++ .interface[0] = PHY_INTERFACE_MODE_MII, ++ .bus_id[1] = "0:03", ++ .interface[1] = PHY_INTERFACE_MODE_MII, ++}; ++ + static struct gpio_keys_button wbd222_keys[] = { + { + .code = KEY_SETUP, +@@ -127,6 +149,8 @@ static void __init wbd222_init(void) + platform_device_register(&wbd222_keys_device); + platform_register_rtc(); + platform_register_watchdog(); ++ platform_device_register(&wbd222_phy_device); ++ platform_register_ethernet(&gmac_data); + } + + MACHINE_START(WBD222, "Wiliboard WBD-222") diff --git a/target/linux/gemini/patches-3.3/124-arm-gemini-rut100-register-ethernet.patch b/target/linux/gemini/patches-3.3/124-arm-gemini-rut100-register-ethernet.patch new file mode 100644 index 000000000..36cafed64 --- /dev/null +++ b/target/linux/gemini/patches-3.3/124-arm-gemini-rut100-register-ethernet.patch @@ -0,0 +1,47 @@ +--- a/arch/arm/mach-gemini/board-rut1xx.c ++++ b/arch/arm/mach-gemini/board-rut1xx.c +@@ -14,13 +14,35 @@ + #include <linux/leds.h> + #include <linux/input.h> + #include <linux/gpio_keys.h> ++#include <linux/mdio-gpio.h> + + #include <asm/mach-types.h> + #include <asm/mach/arch.h> + #include <asm/mach/time.h> + ++#include <mach/gmac.h> ++ + #include "common.h" + ++static struct mdio_gpio_platform_data rut1xx_mdio = { ++ .mdc = 22, ++ .mdio = 21, ++ .phy_mask = ~(1 << 1), ++}; ++ ++static struct platform_device rut1xx_phy_device = { ++ .name = "mdio-gpio", ++ .id = 0, ++ .dev = { ++ .platform_data = &rut1xx_mdio, ++ }, ++}; ++ ++static struct gemini_gmac_platform_data gmac_data = { ++ .bus_id[0] = "0:01", ++ .interface[0] = PHY_INTERFACE_MODE_MII, ++}; ++ + static struct gpio_keys_button rut1xx_keys[] = { + { + .code = KEY_SETUP, +@@ -84,6 +106,8 @@ static void __init rut1xx_init(void) + platform_device_register(&rut1xx_keys_device); + platform_register_rtc(); + platform_register_watchdog(); ++ platform_device_register(&rut1xx_phy_device); ++ platform_register_ethernet(&gmac_data); + } + + MACHINE_START(RUT100, "Teltonika RUT100") diff --git a/target/linux/gemini/patches-3.3/130-usb-ehci-gemini-fot2gxx-support.patch b/target/linux/gemini/patches-3.3/130-usb-ehci-gemini-fot2gxx-support.patch new file mode 100644 index 000000000..50ee4ab76 --- /dev/null +++ b/target/linux/gemini/patches-3.3/130-usb-ehci-gemini-fot2gxx-support.patch @@ -0,0 +1,615 @@ +--- /dev/null ++++ b/drivers/usb/host/ehci-fotg2xx.c +@@ -0,0 +1,465 @@ ++/* ++ * EHCI Host Controller driver ++ * ++ * Copyright (C) 2006 Sony Computer Entertainment Inc. ++ * Copyright 2006 Sony Corp. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; version 2 of the License. ++ */ ++ ++#include <linux/platform_device.h> ++#include <mach/hardware.h> ++ ++#define otg_set(port, bits) writel(readl(hcd->regs + port) | bits, hcd->regs + port) ++ ++#define otg_clear(port, bits) writel(readl(hcd->regs + port) & ~bits, hcd->regs + port) ++ ++#define GLOBAL_ISR 0xC0 ++#define GLOBAL_ICR 0xC4 ++ ++#define HCD_MISC 0x40 ++ ++#define OTGC_SCR 0x80 ++#define OTGC_INT_EN 0x88 ++ ++#define GLOBAL_INT_POLARITY (1 << 3) ++#define GLOBAL_INT_MASK_HC (1 << 2) ++#define GLOBAL_INT_MASK_OTG (1 << 1) ++#define GLOBAL_INT_MASK_DEV (1 << 0) ++ ++#define OTGC_SCR_ID (1 << 21) ++#define OTGC_SCR_CROLE (1 << 20) ++#define OTGC_SCR_VBUS_VLD (1 << 19) ++#define OTGC_SCR_A_SRP_RESP_TYPE (1 << 8) ++#define OTGC_SCR_A_SRP_DET_EN (1 << 7) ++#define OTGC_SCR_A_SET_B_HNP_EN (1 << 6) ++#define OTGC_SCR_A_BUS_DROP (1 << 5) ++#define OTGC_SCR_A_BUS_REQ (1 << 4) ++ ++#define OTGC_INT_APLGRMV (1 << 12) ++#define OTGC_INT_BPLGRMV (1 << 11) ++#define OTGC_INT_OVC (1 << 10) ++#define OTGC_INT_IDCHG (1 << 9) ++#define OTGC_INT_RLCHG (1 << 8) ++#define OTGC_INT_AVBUSERR (1 << 5) ++#define OTGC_INT_ASRPDET (1 << 4) ++#define OTGC_INT_BSRPDN (1 << 0) ++ ++#define OTGC_INT_A_TYPE (OTGC_INT_ASRPDET|OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG|OTGC_INT_APLGRMV) ++#define OTGC_INT_B_TYPE (OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG) ++ ++static void fotg2xx_otgc_role_change(struct usb_hcd *hcd); ++ ++static void fotg2xx_otgc_init(struct usb_hcd *hcd) ++{ ++ struct ehci_hcd *ehci = hcd_to_ehci(hcd); ++ unsigned int reg; ++ ++ reg = __raw_readl(hcd->regs + OTGC_SCR); ++ ehci_info(ehci, "role detected: %s, ", ++ (reg & OTGC_SCR_CROLE) ? "Peripheral" : "Host"); ++ ++ if (reg & OTGC_SCR_ID) ++ ehci_info(ehci, "B-Device (may be unsupported!)\n"); ++ else ++ ehci_info(ehci, "A-Device\n"); ++ ++ /* Enable the SRP detect */ ++ reg &= ~OTGC_SCR_A_SRP_RESP_TYPE; ++ __raw_writel(reg, hcd->regs + OTGC_SCR); ++ ++ reg = __raw_readl(hcd->regs + OTGC_INT_EN); ++ /* clear INT B: bits AVBUSERR | OVC | RLCHG | IDCHG */ ++ reg &= ~OTGC_INT_B_TYPE; ++ /* set INT A: bits ASRPDET | AVBUSERR | OVC | RLCHG | IDCHG | APLGRMV */ ++ reg |= OTGC_INT_A_TYPE; ++ __raw_writel(reg, hcd->regs + OTGC_INT_EN); ++ ++ reg = __raw_readl(hcd->regs + GLOBAL_ICR); ++ reg &= ~GLOBAL_INT_MASK_OTG; ++ __raw_writel(reg, hcd->regs + GLOBAL_ICR); ++ ++ /* setup MISC register, fixes timing problems */ ++ reg = __raw_readl(hcd->regs + HCD_MISC); ++ reg |= 0xD; ++ __raw_writel(reg, hcd->regs + HCD_MISC); ++ ++ fotg2xx_otgc_role_change(hcd); ++} ++ ++static void fotg2xx_otgh_close(struct usb_hcd *hcd) ++{ ++ unsigned int reg; ++ ++ /* <1>.Enable Interrupt Mask */ ++ reg = __raw_readl(hcd->regs + GLOBAL_ICR); ++ reg |= GLOBAL_INT_MASK_HC; ++ __raw_writel(reg, hcd->regs + GLOBAL_ICR); ++ ++ /* <2>.Clear the Interrupt status */ ++ reg = __raw_readl(hcd->regs + 0x18); ++ reg &= 0x0000003F; ++ __raw_writel(reg, hcd->regs + 0x14); ++} ++ ++static void fotg2xx_otgh_open(struct usb_hcd *hcd) ++{ ++ unsigned int reg; ++ ++ reg = __raw_readl(hcd->regs + OTGC_SCR); ++ reg &= ~OTGC_SCR_A_SRP_DET_EN; ++ __raw_writel(reg, hcd->regs + OTGC_SCR); ++ ++ reg = __raw_readl(hcd->regs + GLOBAL_ICR); ++ reg &= ~GLOBAL_INT_MASK_HC; ++ __raw_writel(reg, hcd->regs + GLOBAL_ICR); ++} ++ ++/* change to host role */ ++static void fotg2xx_otgc_role_change(struct usb_hcd *hcd) ++{ ++ ++ /* clear A_SET_B_HNP_EN */ ++ otg_clear(0x80, BIT(6)); ++ ++ /*** Enable VBUS driving */ ++ if (readl(hcd->regs + 0x80) & BIT(19)) ++ printk(KERN_INFO "VBUS already enabled\n"); ++ else { ++ int cnt = 0; ++ ++ /* clear A_BUS_DROP */ ++ otg_clear(0x80, BIT(5)); ++ ++ /* set A_BUS_REQ */ ++ otg_set(0x80, BIT(4)); ++ ++ /* set global bus reg to VBUS on */ ++ writel(readl(IO_ADDRESS(0x40000000) + 0x30) | ((BIT(21)|BIT(22))), ++ IO_ADDRESS(0x40000000) + 0x30); ++ ++ if (readl(hcd->regs + 0x80) & (1<<19)) { ++ printk(KERN_INFO "Waiting for VBus"); ++ while (!(readl(hcd->regs + 0x80) & (1<<19)) && (cnt < 80)) { ++ printk(KERN_CONT "."); ++ cnt++; ++ } ++ printk(KERN_CONT "\n"); ++ } else ++ printk(KERN_INFO "VBUS enabled.\n"); ++ ++ mdelay(1); ++ } ++ fotg2xx_otgh_open(hcd); ++} ++ ++static int fotg2xx_ehci_hc_reset(struct usb_hcd *hcd) ++{ ++ int result; ++ struct ehci_hcd *ehci = hcd_to_ehci(hcd); ++ ++ ehci->caps = hcd->regs; ++ ehci->regs = hcd->regs + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); ++ ++ dbg_hcs_params(ehci, "reset"); ++ dbg_hcc_params(ehci, "reset"); ++ ++ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); ++ hcd->has_tt = 1; ++ ++ result = ehci_halt(ehci); ++ if (result) ++ return result; ++ ++ result = ehci_init(hcd); ++ if (result) ++ return result; ++ ++ ehci_port_power(ehci, 0); ++ ++ return result; ++} ++ ++/* ++ * Name: OTGC_INT_ISR ++ * Description:This interrupt service routine belongs to the OTG-Controller ++ * <1>.Check for ID_Change ++ * <2>.Check for RL_Change ++ * <3>.Error Detect ++ * Input: wINTStatus ++ * Output:void ++ */ ++void fotg2xx_int_isr(struct usb_hcd *hcd, u32 wINTStatus) ++{ ++ /* <1>.Check for ID_Change */ ++ if (wINTStatus&OTGC_INT_IDCHG) { ++ if ((readl(hcd->regs + 0x80) & BIT(21)) != 0) ++ fotg2xx_otgc_init(hcd); /* Change to B Type */ ++ else ++ fotg2xx_otgc_init(hcd); /* Change to A Type */ ++ ++ return; ++ } ++ ++ /* <2>.Check for RL_Change */ ++ if (wINTStatus&OTGC_INT_RLCHG) ++ fotg2xx_otgc_role_change(hcd); ++ ++ /* <3>.Error Detect */ ++ if (wINTStatus&OTGC_INT_AVBUSERR) ++ printk(KERN_ERR "VBus error!\n"); ++ ++ if (wINTStatus&OTGC_INT_OVC) ++ printk(KERN_WARNING "Overcurrent detected!\n"); ++ ++ /* <3>.Check for Type-A/Type-B Interrupt */ ++ if ((readl(hcd->regs + 0x80) & BIT(21)) == 0) { /*For Type-A Interrupt*/ ++ if (wINTStatus & (OTGC_INT_A_TYPE | OTGC_INT_ASRPDET)) { ++ /* <1>.SRP detected => then set global variable */ ++ printk(KERN_WARNING "SRP detected, but not implemented!\n"); ++ ++#if 0 ++ u32 wTempCounter; ++ /* <2>.Turn on the V Bus */ ++ pFTC_OTG->otg.state = OTG_STATE_A_WAIT_VRISE; ++ OTGC_enable_vbus_draw_storlink(1); ++ pFTC_OTG->otg.state = OTG_STATE_A_HOST; ++ /* <3>.Should waiting for Device-Connect Wait 300ms */ ++ INFO(pFTC_OTG, ">>> OTG-A Waiting for OTG-B Connect,\n"); ++ wTempCounter = 0; ++ while (mwHost20_PORTSC_ConnectStatus_Rd() == 0) { ++ mdelay(1); ++ wTempCounter++; ++ /* Waiting for 300 ms */ ++ if (wTempCounter > 300) { ++ mdwOTGC_Control_A_SRP_DET_EN_Clr(); ++ INFO(pFTC_OTG, ">>> OTG-B do not connect under 300 ms...\n"); ++ break; ++ } ++ } ++ /* <4>.If Connect => issue quick Reset */ ++ if (mwHost20_PORTSC_ConnectStatus_Rd() > 0) { ++ mdelay(300); /* For OPT-A Test */ ++ OTGH_host_quick_Reset(); ++ OTGH_Open(); ++ pFTC_OTG->otg.host->A_Disable_Set_Feature_HNP = 0; ++ } ++#endif ++ } ++ } else { /* For Type-B Interrupt */ ++ BUG(); ++ } ++} ++ ++static irqreturn_t fotg2xx_ehci_irq(int irq, void *devid) ++{ ++ struct usb_hcd *hcd = devid; ++ u32 val; ++ ++ /* OTG Interrupt Status Register */ ++ val = readl(hcd->regs + 0x84); ++ ++ /* OTG stuff */ ++ if (val) { ++ /* supposed to do "INT STS Clr" - XXX */ ++ writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84); ++ ++ fotg2xx_int_isr(hcd, val); ++ ++ /* supposed to do "INT STS Clr" - XXX */ ++ writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84); ++ ++ return IRQ_HANDLED; ++ } ++ ++ if ((readl(hcd->regs + 0x80) & BIT(20)) == 0) { /* Role is HOST */ ++ if (readl(hcd->regs + 0xC0) & BIT(2)) { /* INT STS HOST */ ++ /* leave this for ehci irq handler */ ++ return IRQ_NONE; ++ } ++ } else ++ printk(KERN_WARNING ++ "received irq for peripheral - don't know what to do!\n"); ++ ++ /* do not call the ehci irq handler */ ++ return IRQ_HANDLED; ++} ++ ++static int fotg2xx_ehci_run(struct usb_hcd *hcd) ++{ ++ int retval; ++ ++ retval = ehci_run(hcd); ++ ++ fotg2xx_otgh_close(hcd); ++ fotg2xx_otgc_init(hcd); ++ ++ return retval; ++} ++ ++static const struct hc_driver fotg2xx_ehci_hc_driver = { ++ .description = hcd_name, ++ .product_desc = "FOTG2XX EHCI Host Controller", ++ .hcd_priv_size = sizeof(struct ehci_hcd), ++ .irq = ehci_irq, ++ .flags = HCD_MEMORY | HCD_USB2, ++ .reset = fotg2xx_ehci_hc_reset, ++ .start = fotg2xx_ehci_run, ++ .stop = ehci_stop, ++ .shutdown = ehci_shutdown, ++ ++ .urb_enqueue = ehci_urb_enqueue, ++ .urb_dequeue = ehci_urb_dequeue, ++ .endpoint_disable = ehci_endpoint_disable, ++ .endpoint_reset = ehci_endpoint_reset, ++ ++ .get_frame_number = ehci_get_frame, ++ ++ .hub_status_data = ehci_hub_status_data, ++ .hub_control = ehci_hub_control, ++#if defined(CONFIG_PM) ++ .bus_suspend = ehci_bus_suspend, ++ .bus_resume = ehci_bus_resume, ++#endif ++ .relinquish_port = ehci_relinquish_port, ++ .port_handed_over = ehci_port_handed_over, ++ ++ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, ++}; ++ ++static int fotg2xx_ehci_probe(struct platform_device *pdev) ++{ ++ const struct hc_driver *driver = &fotg2xx_ehci_hc_driver; ++ struct usb_hcd *hcd; ++ struct resource *res; ++ int irq; ++ int retval; ++ ++ pr_debug("initializing FOTG2XX-SOC USB Controller\n"); ++ ++ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); ++ if (!res) { ++ dev_err(&pdev->dev, ++ "Found HC with no IRQ. Check %s setup!\n", ++ dev_name(&pdev->dev)); ++ return -ENODEV; ++ } ++ ++ irq = res->start; ++ ++ hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); ++ if (!hcd) { ++ retval = -ENOMEM; ++ goto err1; ++ } ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!res) { ++ dev_err(&pdev->dev, ++ "Found HC with no register addr. Check %s setup!\n", ++ dev_name(&pdev->dev)); ++ retval = -ENODEV; ++ goto err2; ++ } ++ ++ hcd->rsrc_start = res->start; ++ hcd->rsrc_len = res->end - res->start + 1; ++ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, ++ driver->description)) { ++ dev_dbg(&pdev->dev, "controller already in use\n"); ++ retval = -EBUSY; ++ goto err2; ++ } ++ ++ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); ++ if (hcd->regs == NULL) { ++ dev_dbg(&pdev->dev, "error mapping memory\n"); ++ retval = -EFAULT; ++ goto err3; ++ } ++ ++ ++ /* set global reg to mini-A host */ ++ writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(30)|BIT(29)), ++ IO_ADDRESS(0x40000000) + 0x30); ++ ++ /* USB0&USB1 - VBUS off */ ++ writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(21)|BIT(22)), ++ IO_ADDRESS(0x40000000) + 0x30); ++ ++ if ((readl(hcd->regs) == 0x01000010) && ++ (readl(hcd->regs + 4) == 0x00000001) && ++ (readl(hcd->regs + 8) == 0x00000006)) { ++ dev_info(&pdev->dev, ++ "Found Faraday OTG 2XX controller (base = 0x%08lX)\n", ++ (unsigned long) hcd->rsrc_start); ++ } else { ++ dev_err(&pdev->dev, "fotg2xx id mismatch: found %d.%d.%d\n", ++ readl(hcd->regs + 0x00), ++ readl(hcd->regs + 0x04), ++ readl(hcd->regs + 0x08)); ++ retval = -ENODEV; ++ goto err4; ++ } ++ ++ platform_set_drvdata(pdev, hcd); ++ ++ /* mask interrupts - peripheral, otg, host, hi-active (bits 0,1,2,3) */ ++ otg_set(0xc4, BIT(3)); /* hi active */ ++ ++ otg_set(0xc4, BIT(2)); /* host */ ++ otg_set(0xc4, BIT(1)); /* otg */ ++ otg_set(0xc4, BIT(0)); /* peripheral */ ++ ++ /* register additional interrupt - here we check otg status */ ++ if ((request_irq(irq, &fotg2xx_ehci_irq, IRQF_SHARED | IRQF_DISABLED, ++ hcd->irq_descr, hcd)) != 0) { ++ dev_dbg(&pdev->dev, "error requesting irq %d\n", irq); ++ retval = -EFAULT; ++ goto err4; ++ } ++ ++ retval = usb_add_hcd(hcd, irq, IRQF_SHARED); ++ if (retval != 0) ++ goto err4; ++ return retval; ++ ++err4: ++ iounmap(hcd->regs); ++err3: ++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); ++err2: ++ usb_put_hcd(hcd); ++err1: ++ dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval); ++ return retval; ++} ++ ++/* may be called without controller electrically present */ ++/* may be called with controller, bus, and devices active */ ++ ++int fotg2xx_ehci_remove(struct platform_device *pdev) ++{ ++ struct usb_hcd *hcd = ++ (struct usb_hcd *)platform_get_drvdata(pdev); ++ ++ usb_remove_hcd(hcd); ++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); ++ iounmap(hcd->regs); ++ usb_put_hcd(hcd); ++ platform_set_drvdata(pdev, NULL); ++ ++ return 0; ++} ++ ++MODULE_ALIAS("platform:ehci-fotg2xx"); ++ ++static struct platform_driver fotg2xx_ehci_driver = { ++ .probe = fotg2xx_ehci_probe, ++ .remove = fotg2xx_ehci_remove, ++ .driver = { ++ .name = "ehci-fotg2xx", ++ }, ++}; +--- a/drivers/usb/host/ehci.h ++++ b/drivers/usb/host/ehci.h +@@ -581,7 +581,12 @@ static inline unsigned int + ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc) + { + if (ehci_is_TDI(ehci)) { ++#ifdef CONFIG_ARCH_GEMINI ++ portsc = readl(ehci_to_hcd(ehci)->regs + 0x80); ++ switch ((portsc>>22)&3) { ++#else + switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) { ++#endif + case 0: + return 0; + case 1: +--- a/drivers/usb/host/ehci-hcd.c ++++ b/drivers/usb/host/ehci-hcd.c +@@ -227,9 +227,11 @@ static int ehci_halt (struct ehci_hcd *e + if ((temp & STS_HALT) != 0) + return 0; + ++#ifndef CONFIG_ARCH_GEMINI + temp = ehci_readl(ehci, &ehci->regs->command); + temp &= ~CMD_RUN; + ehci_writel(ehci, temp, &ehci->regs->command); ++#endif + return handshake (ehci, &ehci->regs->status, + STS_HALT, STS_HALT, 16 * 125); + } +@@ -342,8 +344,10 @@ static int ehci_reset (struct ehci_hcd * + if (retval) + return retval; + ++#ifndef CONFIG_ARCH_GEMINI + if (ehci_is_TDI(ehci)) + tdi_reset (ehci); ++#endif + + if (ehci->debug) + dbgp_external_startup(); +@@ -478,12 +482,13 @@ static void ehci_silence_controller(stru + { + ehci_halt(ehci); + ehci_turn_off_all_ports(ehci); +- ++#ifndef CONFIG_ARCH_GEMINI + /* make BIOS/etc use companion controller during reboot */ + ehci_writel(ehci, 0, &ehci->regs->configured_flag); + + /* unblock posted writes */ + ehci_readl(ehci, &ehci->regs->configured_flag); ++#endif + } + + /* ehci_shutdown kick in for silicon on any bus (not just pci, etc). +@@ -764,7 +769,9 @@ static int ehci_run (struct usb_hcd *hcd + // Philips, Intel, and maybe others need CMD_RUN before the + // root hub will detect new devices (why?); NEC doesn't + ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET); ++#ifndef CONFIG_ARCH_GEMINI + ehci->command |= CMD_RUN; ++#endif + ehci_writel(ehci, ehci->command, &ehci->regs->command); + dbg_cmd (ehci, "init", ehci->command); + +@@ -784,9 +791,11 @@ static int ehci_run (struct usb_hcd *hcd + */ + down_write(&ehci_cf_port_reset_rwsem); + ehci->rh_state = EHCI_RH_RUNNING; ++#ifndef CONFIG_ARCH_GEMINI + ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag); + ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */ + msleep(5); ++#endif /* !CONFIG_ARCH_GEMINI */ + up_write(&ehci_cf_port_reset_rwsem); + ehci->last_periodic_enable = ktime_get_real(); + +@@ -958,7 +967,9 @@ static irqreturn_t ehci_irq (struct usb_ + ehci_halt(ehci); + dead: + ehci_reset(ehci); ++#ifndef CONFIG_ARCH_GEMINI + ehci_writel(ehci, 0, &ehci->regs->configured_flag); ++#endif + usb_hc_died(hcd); + /* generic layer kills/unlinks all urbs, then + * uses ehci_stop to clean up the rest +@@ -1256,6 +1267,11 @@ MODULE_LICENSE ("GPL"); + #define PCI_DRIVER ehci_pci_driver + #endif + ++#ifdef CONFIG_ARCH_GEMINI ++#include "ehci-fotg2xx.c" ++#define PLATFORM_DRIVER fotg2xx_ehci_driver ++#endif ++ + #ifdef CONFIG_USB_EHCI_FSL + #include "ehci-fsl.c" + #define PLATFORM_DRIVER ehci_fsl_driver +--- a/drivers/usb/host/ehci-hub.c ++++ b/drivers/usb/host/ehci-hub.c +@@ -882,6 +882,12 @@ static int ehci_hub_control ( + /* see what we found out */ + temp = check_reset_complete (ehci, wIndex, status_reg, + ehci_readl(ehci, status_reg)); ++#ifdef CONFIG_ARCH_GEMINI ++ /* restart schedule */ ++ ehci_writel(ehci, ehci_readl(ehci, &ehci->regs->command) | CMD_RUN, &ehci->regs->command); ++ ++// hcd->state = HC_STATE_RUNNING; ++#endif + } + + if (!(temp & (PORT_RESUME|PORT_RESET))) +--- a/drivers/usb/Kconfig ++++ b/drivers/usb/Kconfig +@@ -76,6 +76,7 @@ config USB_ARCH_HAS_EHCI + default y if MICROBLAZE + default y if SPARC_LEON + default y if ARCH_MMP ++ default y if ARCH_GEMINI + default PCI + + # some non-PCI HCDs implement xHCI +@@ -94,7 +95,7 @@ config USB + traditional PC serial port. The bus supplies power to peripherals + and allows for hot swapping. Up to 127 USB peripherals can be + connected to a single USB host in a tree structure. +- ++ + The USB host is the root of the tree, the peripherals are the + leaves and the inner nodes are special USB devices called hubs. + Most PCs now have USB host ports, used to connect peripherals +--- a/include/linux/usb/ehci_def.h ++++ b/include/linux/usb/ehci_def.h +@@ -110,9 +110,9 @@ struct ehci_regs { + u32 frame_list; /* points to periodic list */ + /* ASYNCLISTADDR: offset 0x18 */ + u32 async_next; /* address of next async queue head */ +- ++#ifndef CONFIG_ARCH_GEMINI + u32 reserved[9]; +- ++#endif + /* CONFIGFLAG: offset 0x40 */ + u32 configured_flag; + #define FLAG_CF (1<<0) /* true: we'll support "high speed" */ diff --git a/target/linux/gemini/patches-3.3/131-arm-gemini-add-usb-platform-device.patch b/target/linux/gemini/patches-3.3/131-arm-gemini-add-usb-platform-device.patch new file mode 100644 index 000000000..00990e106 --- /dev/null +++ b/target/linux/gemini/patches-3.3/131-arm-gemini-add-usb-platform-device.patch @@ -0,0 +1,74 @@ +--- a/arch/arm/mach-gemini/devices.c ++++ b/arch/arm/mach-gemini/devices.c +@@ -185,3 +185,62 @@ int __init platform_register_ethernet(st + + return platform_device_register(ðernet_device); + } ++ ++static u64 usb0_dmamask = DMA_BIT_MASK(32); ++static struct resource usb0_resources[] = { ++ { ++ .start = 0x68000000, ++ .end = 0x68000fff, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = IRQ_USB0, ++ .end = IRQ_USB0, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static u64 usb1_dmamask = DMA_BIT_MASK(32); ++static struct resource usb1_resources[] = { ++ { ++ .start = 0x69000000, ++ .end = 0x69000fff, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = IRQ_USB1, ++ .end = IRQ_USB1, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device usb_device[] = { ++ { ++ .name = "ehci-fotg2xx", ++ .id = 0, ++ .dev = { ++ .dma_mask = &usb0_dmamask, ++ .coherent_dma_mask = DMA_BIT_MASK(32), ++ }, ++ .num_resources = ARRAY_SIZE(usb0_resources), ++ .resource = usb0_resources, ++ }, ++ { ++ .name = "ehci-fotg2xx", ++ .id = 1, ++ .dev = { ++ .dma_mask = &usb1_dmamask, ++ .coherent_dma_mask = DMA_BIT_MASK(32), ++ }, ++ .num_resources = ARRAY_SIZE(usb1_resources), ++ .resource = usb1_resources, ++ }, ++}; ++ ++int __init platform_register_usb(unsigned int id) ++{ ++ if (id > 1) ++ return -EINVAL; ++ ++ return platform_device_register(&usb_device[id]); ++} +--- a/arch/arm/mach-gemini/common.h ++++ b/arch/arm/mach-gemini/common.h +@@ -28,5 +28,6 @@ extern int platform_register_pflash(unsi + unsigned int nr_parts); + extern int platform_register_watchdog(void); + extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata); ++extern int platform_register_usb(unsigned int id); + + #endif /* __GEMINI_COMMON_H__ */ diff --git a/target/linux/gemini/patches-3.3/132-arm-gemini-wbd111-register-usb.patch b/target/linux/gemini/patches-3.3/132-arm-gemini-wbd111-register-usb.patch new file mode 100644 index 000000000..26339368d --- /dev/null +++ b/target/linux/gemini/patches-3.3/132-arm-gemini-wbd111-register-usb.patch @@ -0,0 +1,24 @@ +--- a/arch/arm/mach-gemini/board-wbd111.c ++++ b/arch/arm/mach-gemini/board-wbd111.c +@@ -149,6 +149,7 @@ static void __init wbd111_init(void) + platform_register_watchdog(); + platform_device_register(&wbd111_phy_device); + platform_register_ethernet(&gmac_data); ++ platform_register_usb(0); + } + + MACHINE_START(WBD111, "Wiliboard WBD-111") +--- a/drivers/usb/host/ehci-hcd.c ++++ b/drivers/usb/host/ehci-hcd.c +@@ -112,7 +112,11 @@ module_param (park, uint, S_IRUGO); + MODULE_PARM_DESC (park, "park setting; 1-3 back-to-back async packets"); + + /* for flakey hardware, ignore overcurrent indicators */ ++#ifdef CONFIG_ARCH_GEMINI ++static bool ignore_oc = 1; ++#else + static bool ignore_oc = 0; ++#endif + module_param (ignore_oc, bool, S_IRUGO); + MODULE_PARM_DESC (ignore_oc, "ignore bogus hardware overcurrent indications"); + diff --git a/target/linux/gemini/patches-3.3/133-arm-gemini-wbd222-register-usb.patch b/target/linux/gemini/patches-3.3/133-arm-gemini-wbd222-register-usb.patch new file mode 100644 index 000000000..a4d332bdd --- /dev/null +++ b/target/linux/gemini/patches-3.3/133-arm-gemini-wbd222-register-usb.patch @@ -0,0 +1,10 @@ +--- a/arch/arm/mach-gemini/board-wbd222.c ++++ b/arch/arm/mach-gemini/board-wbd222.c +@@ -151,6 +151,7 @@ static void __init wbd222_init(void) + platform_register_watchdog(); + platform_device_register(&wbd222_phy_device); + platform_register_ethernet(&gmac_data); ++ platform_register_usb(0); + } + + MACHINE_START(WBD222, "Wiliboard WBD-222") diff --git a/target/linux/gemini/patches-3.3/134-arm-gemini-rut100-register-usb.patch b/target/linux/gemini/patches-3.3/134-arm-gemini-rut100-register-usb.patch new file mode 100644 index 000000000..10f24d818 --- /dev/null +++ b/target/linux/gemini/patches-3.3/134-arm-gemini-rut100-register-usb.patch @@ -0,0 +1,10 @@ +--- a/arch/arm/mach-gemini/board-rut1xx.c ++++ b/arch/arm/mach-gemini/board-rut1xx.c +@@ -108,6 +108,7 @@ static void __init rut1xx_init(void) + platform_register_watchdog(); + platform_device_register(&rut1xx_phy_device); + platform_register_ethernet(&gmac_data); ++ platform_register_usb(0); + } + + MACHINE_START(RUT100, "Teltonika RUT100") diff --git a/target/linux/gemini/patches-3.3/135-arm-gemini-nas4220-register-usb.patch b/target/linux/gemini/patches-3.3/135-arm-gemini-nas4220-register-usb.patch new file mode 100644 index 000000000..31d776d0a --- /dev/null +++ b/target/linux/gemini/patches-3.3/135-arm-gemini-nas4220-register-usb.patch @@ -0,0 +1,11 @@ +--- a/arch/arm/mach-gemini/board-nas4220b.c ++++ b/arch/arm/mach-gemini/board-nas4220b.c +@@ -100,6 +100,8 @@ static void __init ib4220b_init(void) + platform_device_register(&ib4220b_key_device); + platform_register_rtc(); + platform_register_watchdog(); ++ platform_register_usb(0); ++ platform_register_usb(1); + } + + MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B") diff --git a/target/linux/gemini/patches-3.3/140-arm-gemini-add-pci-support.patch b/target/linux/gemini/patches-3.3/140-arm-gemini-add-pci-support.patch new file mode 100644 index 000000000..8cacb51b2 --- /dev/null +++ b/target/linux/gemini/patches-3.3/140-arm-gemini-add-pci-support.patch @@ -0,0 +1,390 @@ +--- a/arch/arm/Kconfig ++++ b/arch/arm/Kconfig +@@ -379,6 +379,7 @@ config ARCH_GEMINI + select CPU_FA526 + select ARCH_REQUIRE_GPIOLIB + select ARCH_USES_GETTIMEOFFSET ++ select MIGHT_HAVE_PCI + help + Support for the Cortina Systems Gemini family SoCs + +--- a/arch/arm/mach-gemini/include/mach/hardware.h ++++ b/arch/arm/mach-gemini/include/mach/hardware.h +@@ -71,4 +71,9 @@ + */ + #define IO_ADDRESS(x) ((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000) + ++/* ++ * PCI subsystem macros ++ */ ++#define pcibios_assign_all_busses() 1 ++ + #endif +--- a/arch/arm/mach-gemini/include/mach/irqs.h ++++ b/arch/arm/mach-gemini/include/mach/irqs.h +@@ -43,11 +43,14 @@ + + #define NORMAL_IRQ_NUM 32 + +-#define GPIO_IRQ_BASE NORMAL_IRQ_NUM ++#define PCI_IRQ_BASE NORMAL_IRQ_NUM ++#define PCI_IRQ_NUM 4 ++ ++#define GPIO_IRQ_BASE (NORMAL_IRQ_NUM + PCI_IRQ_NUM) + #define GPIO_IRQ_NUM (3 * 32) + + #define ARCH_TIMER_IRQ IRQ_TIMER2 + +-#define NR_IRQS (NORMAL_IRQ_NUM + GPIO_IRQ_NUM) ++#define NR_IRQS (NORMAL_IRQ_NUM + PCI_IRQ_NUM + GPIO_IRQ_NUM) + + #endif /* __MACH_IRQS_H__ */ +--- a/arch/arm/mach-gemini/Makefile ++++ b/arch/arm/mach-gemini/Makefile +@@ -6,6 +6,8 @@ + + obj-y := irq.o mm.o time.o devices.o gpio.o + ++obj-$(CONFIG_PCI) += pci.o ++ + # Board-specific support + obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o + obj-$(CONFIG_MACH_RUT100) += board-rut1xx.o +--- a/arch/arm/mach-gemini/mm.c ++++ b/arch/arm/mach-gemini/mm.c +@@ -59,6 +59,11 @@ static struct map_desc gemini_io_desc[] + .length = SZ_512K, + .type = MT_DEVICE, + }, { ++ .virtual = IO_ADDRESS(GEMINI_PCI_IO_BASE), ++ .pfn = __phys_to_pfn(GEMINI_PCI_IO_BASE), ++ .length = SZ_512K, ++ .type = MT_DEVICE, ++ }, { + .virtual = IO_ADDRESS(GEMINI_FLASH_CTRL_BASE), + .pfn = __phys_to_pfn(GEMINI_FLASH_CTRL_BASE), + .length = SZ_512K, +--- /dev/null ++++ b/arch/arm/mach-gemini/pci.c +@@ -0,0 +1,321 @@ ++/* ++ * Support for Gemini PCI Controller ++ * ++ * Copyright (C) 2009 Janos Laube <janos.dev@gmail.com> ++ * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> ++ * ++ * based on SL2312 PCI controller code ++ * Storlink (C) 2003 ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/pci.h> ++#include <linux/irq.h> ++#include <linux/gpio.h> ++ ++#include <asm/mach/pci.h> ++ ++#include <mach/irqs.h> ++#include <mach/hardware.h> ++ ++#define GEMINI_PCI_IOSIZE_1M 0x0000 ++ ++#define GEMINI_PCI_PMC 0x40 ++#define GEMINI_PCI_PMCSR 0x44 ++#define GEMINI_PCI_CTRL1 0x48 ++#define GEMINI_PCI_CTRL2 0x4C ++#define GEMINI_PCI_MEM1_BASE_SIZE 0x50 ++#define GEMINI_PCI_MEM2_BASE_SIZE 0x54 ++#define GEMINI_PCI_MEM3_BASE_SIZE 0x58 ++ ++#define PCI_CTRL2_INTSTS_OFFSET 28 ++#define PCI_CTRL2_INTMASK_OFFSET 22 ++ ++#define GEMINI_PCI_DMA_MASK 0xFFF00000 ++#define GEMINI_PCI_DMA_MEM1_BASE 0x00000000 ++#define GEMINI_PCI_DMA_MEM2_BASE 0x00000000 ++#define GEMINI_PCI_DMA_MEM3_BASE 0x00000000 ++#define GEMINI_PCI_DMA_MEM1_SIZE 7 ++#define GEMINI_PCI_DMA_MEM2_SIZE 6 ++#define GEMINI_PCI_DMA_MEM3_SIZE 6 ++ ++#define PCI_CONF_ENABLE (1 << 31) ++#define PCI_CONF_WHERE(r) ((r) & 0xFC) ++#define PCI_CONF_BUS(b) (((b) & 0xFF) << 16) ++#define PCI_CONF_DEVICE(d) (((d) & 0x1F) << 11) ++#define PCI_CONF_FUNCTION(f) (((f) & 0x07) << 8) ++ ++#define PCI_IOSIZE_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE)) ++#define PCI_PROT_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x04) ++#define PCI_CTRL_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x08) ++#define PCI_SOFTRST_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x10) ++#define PCI_CONFIG_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x28) ++#define PCI_DATA_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x2C) ++ ++ ++static DEFINE_SPINLOCK(gemini_pci_lock); ++ ++static int gemini_pci_read_config(struct pci_bus* bus, unsigned int fn, ++ int config, int size, u32* value) ++{ ++ unsigned long irq_flags; ++ ++ spin_lock_irqsave(&gemini_pci_lock, irq_flags); ++ ++ __raw_writel(PCI_CONF_BUS(bus->number) | ++ PCI_CONF_DEVICE(PCI_SLOT(fn)) | ++ PCI_CONF_FUNCTION(PCI_FUNC(fn)) | ++ PCI_CONF_WHERE(config) | ++ PCI_CONF_ENABLE, ++ PCI_CONFIG_REG); ++ ++ *value = __raw_readl(PCI_DATA_REG); ++ ++ if (size == 1) ++ *value = (*value >> (8 * (config & 3))) & 0xFF; ++ else if (size == 2) ++ *value = (*value >> (8 * (config & 3))) & 0xFFFF; ++ ++ spin_unlock_irqrestore(&gemini_pci_lock, irq_flags); ++ ++ dev_dbg(&bus->dev, ++ "[read] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n", ++ PCI_SLOT(fn), PCI_FUNC(fn), config, size, *value); ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ ++static int gemini_pci_write_config(struct pci_bus* bus, unsigned int fn, ++ int config, int size, u32 value) ++{ ++ unsigned long irq_flags = 0; ++ int ret = PCIBIOS_SUCCESSFUL; ++ ++ dev_dbg(&bus->dev, ++ "[write] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n", ++ PCI_SLOT(fn), PCI_FUNC(fn), config, size, value); ++ ++ spin_lock_irqsave(&gemini_pci_lock, irq_flags); ++ ++ __raw_writel(PCI_CONF_BUS(bus->number) | ++ PCI_CONF_DEVICE(PCI_SLOT(fn)) | ++ PCI_CONF_FUNCTION(PCI_FUNC(fn)) | ++ PCI_CONF_WHERE(config) | ++ PCI_CONF_ENABLE, ++ PCI_CONFIG_REG); ++ ++ switch(size) { ++ case 4: ++ __raw_writel(value, PCI_DATA_REG); ++ break; ++ case 2: ++ __raw_writew(value, PCI_DATA_REG + (config & 3)); ++ break; ++ case 1: ++ __raw_writeb(value, PCI_DATA_REG + (config & 3)); ++ break; ++ default: ++ ret = PCIBIOS_BAD_REGISTER_NUMBER; ++ } ++ ++ spin_unlock_irqrestore(&gemini_pci_lock, irq_flags); ++ ++ return ret; ++} ++ ++static struct pci_ops gemini_pci_ops = { ++ .read = gemini_pci_read_config, ++ .write = gemini_pci_write_config, ++}; ++ ++static struct resource gemini_pci_resource_io = { ++ .name = "PCI I/O Space", ++ .start = IO_ADDRESS(GEMINI_PCI_IO_BASE), ++ .end = IO_ADDRESS(GEMINI_PCI_IO_BASE) + SZ_1M - 1, ++ .flags = IORESOURCE_IO, ++}; ++ ++static struct resource gemini_pci_resource_mem = { ++ .name = "PCI Memory Space", ++ .start = GEMINI_PCI_MEM_BASE, ++ .end = GEMINI_PCI_MEM_BASE + SZ_128M - 1, ++ .flags = IORESOURCE_MEM, ++}; ++ ++static int __init gemini_pci_request_resources(struct pci_sys_data *sys) ++{ ++ if (request_resource(&ioport_resource, &gemini_pci_resource_io)) ++ goto bad_resources; ++ if (request_resource(&iomem_resource, &gemini_pci_resource_mem)) ++ goto bad_resources; ++ ++ pci_add_resource(&sys->resources, &gemini_pci_resource_io); ++ pci_add_resource(&sys->resources, &gemini_pci_resource_mem); ++ ++ return 0; ++ ++bad_resources: ++ pr_err("Gemini PCI: request_resource() failed. " ++ "Abort PCI bus enumeration.\n"); ++ return -1; ++} ++ ++static int __init gemini_pci_setup(int nr, struct pci_sys_data *sys) ++{ ++ unsigned int cmd; ++ ++ pcibios_min_io = 0x100; ++ pcibios_min_mem = 0; ++ ++ if ((nr > 0) || gemini_pci_request_resources(sys)) ++ return 0; ++ ++ /* setup I/O space to 1MB size */ ++ __raw_writel(GEMINI_PCI_IOSIZE_1M, PCI_IOSIZE_REG); ++ ++ /* setup hostbridge */ ++ cmd = __raw_readl(PCI_CTRL_REG); ++ cmd |= PCI_COMMAND_IO; ++ cmd |= PCI_COMMAND_MEMORY; ++ cmd |= PCI_COMMAND_MASTER; ++ __raw_writel(cmd, PCI_CTRL_REG); ++ ++ return 1; ++} ++ ++static struct pci_bus* __init gemini_pci_scan_bus(int nr, struct pci_sys_data* sys) ++{ ++ unsigned int reg = 0; ++ struct pci_bus* bus = 0; ++ ++ bus = pci_scan_bus(nr, &gemini_pci_ops, sys); ++ if (bus) { ++ dev_dbg(&bus->dev, "setting up PCI DMA\n"); ++ reg = (GEMINI_PCI_DMA_MEM1_BASE & GEMINI_PCI_DMA_MASK) ++ | (GEMINI_PCI_DMA_MEM1_SIZE << 16); ++ gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM1_BASE_SIZE, 4, reg); ++ reg = (GEMINI_PCI_DMA_MEM2_BASE & GEMINI_PCI_DMA_MASK) ++ | (GEMINI_PCI_DMA_MEM2_SIZE << 16); ++ gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM2_BASE_SIZE, 4, reg); ++ reg = (GEMINI_PCI_DMA_MEM3_BASE & GEMINI_PCI_DMA_MASK) ++ | (GEMINI_PCI_DMA_MEM3_SIZE << 16); ++ gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM3_BASE_SIZE, 4, reg); ++ } ++ ++ return bus; ++} ++ ++/* Should work with all boards based on original Storlink EVB */ ++static int __init gemini_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) ++{ ++ if (slot < 9 || slot > 12) ++ return -1; ++ ++ return PCI_IRQ_BASE + (((slot - 9) + (pin - 1)) & 0x3); ++} ++ ++static struct hw_pci gemini_hw_pci __initdata = { ++ .nr_controllers = 1, ++ .setup = gemini_pci_setup, ++ .scan = gemini_pci_scan_bus, ++ .swizzle = pci_std_swizzle, ++ .map_irq = gemini_pci_map_irq, ++}; ++ ++/* we need this for muxed PCI interrupts handling */ ++static struct pci_bus bogus_pci_bus; ++ ++static void gemini_pci_ack_irq(struct irq_data *d) ++{ ++ unsigned int irq = d->irq; ++ unsigned int reg; ++ ++ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®); ++ reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET); ++ reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTSTS_OFFSET); ++ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg); ++} ++ ++static void gemini_pci_mask_irq(struct irq_data *d) ++{ ++ unsigned int irq = d->irq; ++ unsigned int reg; ++ ++ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®); ++ reg &= ~((0xF << PCI_CTRL2_INTSTS_OFFSET) ++ | (1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET))); ++ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg); ++} ++ ++static void gemini_pci_unmask_irq(struct irq_data *d) ++{ ++ unsigned int irq = d->irq; ++ unsigned int reg; ++ ++ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®); ++ reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET); ++ reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET); ++ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg); ++} ++ ++static void gemini_pci_irq_handler(unsigned int irq, struct irq_desc *desc) ++{ ++ unsigned int pci_irq_no, irq_stat, reg, i; ++ ++ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®); ++ irq_stat = reg >> PCI_CTRL2_INTSTS_OFFSET; ++ ++ for (i = 0; i < 4; i++) { ++ ++ if ((irq_stat & (1 << i)) == 0) ++ continue; ++ ++ pci_irq_no = PCI_IRQ_BASE + i; ++ ++ BUG_ON(!(irq_desc[pci_irq_no].handle_irq)); ++ irq_desc[pci_irq_no].handle_irq(pci_irq_no, ++ &irq_desc[pci_irq_no]); ++ } ++} ++ ++static struct irq_chip gemini_pci_irq_chip = { ++ .name = "PCI", ++ .irq_ack = gemini_pci_ack_irq, ++ .irq_mask = gemini_pci_mask_irq, ++ .irq_unmask = gemini_pci_unmask_irq, ++}; ++ ++static int __init gemini_pci_init(void) ++{ ++ int i; ++ ++ for (i = 72; i <= 95; i++) ++ gpio_request(i, "PCI"); ++ ++ /* initialize our bogus bus */ ++ dev_set_name(&bogus_pci_bus.dev, "PCI IRQ handler"); ++ bogus_pci_bus.number = 0; ++ ++ /* mask and clear all interrupts */ ++ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2 + 2, 2, ++ 0xF000); ++ ++ for (i = PCI_IRQ_BASE; i < PCI_IRQ_BASE + 4; i++) { ++ irq_set_chip_and_handler(i, &gemini_pci_irq_chip, ++ handle_level_irq); ++ set_irq_flags(i, IRQF_VALID); ++ } ++ ++ irq_set_chained_handler(IRQ_PCI, gemini_pci_irq_handler); ++ ++ pci_common_init(&gemini_hw_pci); ++ ++ return 0; ++} ++ ++subsys_initcall(gemini_pci_init); |