diff options
Diffstat (limited to 'openwrt/target/linux/linux-2.6')
| -rw-r--r-- | openwrt/target/linux/linux-2.6/patches/brcm/001-bcm947xx.patch | 227 |
1 files changed, 130 insertions, 97 deletions
diff --git a/openwrt/target/linux/linux-2.6/patches/brcm/001-bcm947xx.patch b/openwrt/target/linux/linux-2.6/patches/brcm/001-bcm947xx.patch index 686f2d2af..b945e4372 100644 --- a/openwrt/target/linux/linux-2.6/patches/brcm/001-bcm947xx.patch +++ b/openwrt/target/linux/linux-2.6/patches/brcm/001-bcm947xx.patch @@ -11221,8 +11221,8 @@ diff -urN linux.old/arch/mips/bcm947xx/irq.c linux.dev/arch/mips/bcm947xx/irq.c +} diff -urN linux.old/arch/mips/bcm947xx/pci.c linux.dev/arch/mips/bcm947xx/pci.c --- linux.old/arch/mips/bcm947xx/pci.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/bcm947xx/pci.c 2005-12-18 04:44:18.736590500 +0100 -@@ -0,0 +1,91 @@ ++++ linux.dev/arch/mips/bcm947xx/pci.c 2005-12-18 07:01:36.731635000 +0100 +@@ -0,0 +1,215 @@ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/pci.h> @@ -11237,8 +11237,11 @@ diff -urN linux.old/arch/mips/bcm947xx/pci.c linux.dev/arch/mips/bcm947xx/pci.c +#include <sbmips.h> +#include <sbconfig.h> +#include <sbpci.h> ++#include <bcmdevs.h> ++#include <pcicfg.h> + +extern sb_t *sbh; ++extern spinlock_t sbh_lock; + + +static int @@ -11246,7 +11249,12 @@ diff -urN linux.old/arch/mips/bcm947xx/pci.c linux.dev/arch/mips/bcm947xx/pci.c + int reg, int size, u32 *val) +{ + int ret; ++ unsigned long flags; ++ ++ spin_lock_irqsave(&sbh_lock, flags); + ret = sbpci_read_config(sbh, bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), reg, val, size); ++ spin_unlock_irqrestore(&sbh_lock, flags); ++ + return ret ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; +} + @@ -11255,7 +11263,12 @@ diff -urN linux.old/arch/mips/bcm947xx/pci.c linux.dev/arch/mips/bcm947xx/pci.c + int reg, int size, u32 val) +{ + int ret; ++ unsigned long flags; ++ ++ spin_lock_irqsave(&sbh_lock, flags); + ret = sbpci_write_config(sbh, bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), reg, &val, size); ++ spin_unlock_irqrestore(&sbh_lock, flags); ++ + return ret ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; +} + @@ -11308,12 +11321,123 @@ diff -urN linux.old/arch/mips/bcm947xx/pci.c linux.dev/arch/mips/bcm947xx/pci.c + +void bcm47xx_pci_init(void) +{ ++ unsigned long flags; ++ ++ spin_lock_irqsave(&sbh_lock, flags); + sbpci_init(sbh); ++ spin_unlock_irqrestore(&sbh_lock, flags); ++ + set_io_port_base((unsigned long) ioremap_nocache(SB_PCI_MEM, 0x04000000)); + + register_pci_controller(&bcm47xx_sb_pci_controller); + register_pci_controller(&bcm47xx_ext_pci_controller); +} ++ ++int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) ++{ ++ u8 irq; ++ ++ if (dev->bus->number == 1) ++ return 2; ++ ++ pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq); ++ return irq + 2; ++} ++ ++u32 pci_iobase = 0x100; ++u32 pci_membase = SB_PCI_DMA; ++ ++static void bcm47xx_fixup_device(struct pci_dev *d) ++{ ++ struct resource *res; ++ int pos, size; ++ u32 *base; ++ ++ if (d->bus->number == 0) ++ return; ++ ++ printk("PCI: Fixing up device %s\n", pci_name(d)); ++ ++ /* Fix up resource bases */ ++ for (pos = 0; pos < 6; pos++) { ++ res = &d->resource[pos]; ++ base = ((res->flags & IORESOURCE_IO) ? &pci_iobase : &pci_membase); ++ if (res->end) { ++ size = res->end - res->start + 1; ++ if (*base & (size - 1)) ++ *base = (*base + size) & ~(size - 1); ++ res->start = *base; ++ res->end = res->start + size - 1; ++ *base += size; ++ pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start); ++ } ++ /* Fix up PCI bridge BAR0 only */ ++ if (d->bus->number == 1 && PCI_SLOT(d->devfn) == 0) ++ break; ++ } ++ /* Fix up interrupt lines */ ++ if (pci_find_device(VENDOR_BROADCOM, SB_PCI, NULL)) ++ d->irq = (pci_find_device(VENDOR_BROADCOM, SB_PCI, NULL))->irq; ++ pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq); ++} ++ ++ ++static void bcm47xx_fixup_bridge(struct pci_dev *dev) ++{ ++ if (dev->bus->number != 1 || PCI_SLOT(dev->devfn) != 0) ++ return; ++ ++ printk("PCI: fixing up bridge\n"); ++ ++ /* Enable PCI bridge bus mastering and memory space */ ++ pci_set_master(dev); ++ pcibios_enable_device(dev, ~0); ++ ++ /* Enable PCI bridge BAR1 prefetch and burst */ ++ pci_write_config_dword(dev, PCI_BAR1_CONTROL, 3); ++} ++ ++/* Do platform specific device initialization at pci_enable_device() time */ ++int pcibios_plat_dev_init(struct pci_dev *dev) ++{ ++ uint coreidx; ++ unsigned long flags; ++ ++ bcm47xx_fixup_device(dev); ++ ++ /* These cores come out of reset enabled */ ++ if ((dev->bus->number != 0) || ++ (dev->device == SB_MIPS) || ++ (dev->device == SB_MIPS33) || ++ (dev->device == SB_EXTIF) || ++ (dev->device == SB_CC)) ++ return 0; ++ ++ /* Do a core reset */ ++ spin_lock_irqsave(&sbh_lock, flags); ++ coreidx = sb_coreidx(sbh); ++ if (sb_setcoreidx(sbh, PCI_SLOT(dev->devfn)) && (sb_coreid(sbh) == SB_USB)) { ++ /* ++ * The USB core requires a special bit to be set during core ++ * reset to enable host (OHCI) mode. Resetting the SB core in ++ * pcibios_enable_device() is a hack for compatibility with ++ * vanilla usb-ohci so that it does not have to know about ++ * SB. A driver that wants to use the USB core in device mode ++ * should know about SB and should reset the bit back to 0 ++ * after calling pcibios_enable_device(). ++ */ ++ sb_core_disable(sbh, sb_coreflags(sbh, 0, 0)); ++ sb_core_reset(sbh, 1 << 29); ++ } else { ++ sb_core_reset(sbh, 0); ++ } ++ sb_setcoreidx(sbh, coreidx); ++ spin_unlock_irqrestore(&sbh_lock, flags); ++ ++ return 0; ++} ++ ++DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, bcm47xx_fixup_bridge); diff -urN linux.old/arch/mips/bcm947xx/prom.c linux.dev/arch/mips/bcm947xx/prom.c --- linux.old/arch/mips/bcm947xx/prom.c 1970-01-01 01:00:00.000000000 +0100 +++ linux.dev/arch/mips/bcm947xx/prom.c 2005-12-15 12:57:27.877187750 +0100 @@ -11379,8 +11503,8 @@ diff -urN linux.old/arch/mips/bcm947xx/prom.c linux.dev/arch/mips/bcm947xx/prom. +} diff -urN linux.old/arch/mips/bcm947xx/setup.c linux.dev/arch/mips/bcm947xx/setup.c --- linux.old/arch/mips/bcm947xx/setup.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/bcm947xx/setup.c 2005-12-18 04:58:53.946564750 +0100 -@@ -0,0 +1,155 @@ ++++ linux.dev/arch/mips/bcm947xx/setup.c 2005-12-18 06:34:52.106215250 +0100 +@@ -0,0 +1,157 @@ +/* + * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org) + * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org> @@ -11431,6 +11555,7 @@ diff -urN linux.old/arch/mips/bcm947xx/setup.c linux.dev/arch/mips/bcm947xx/setu +extern void bcm47xx_time_init(void); +extern void bcm47xx_timer_setup(struct irqaction *irq); +void *sbh; ++spinlock_t sbh_lock = SPIN_LOCK_UNLOCKED; +int boardflags; + +static int ser_line = 0; @@ -11535,6 +11660,7 @@ diff -urN linux.old/arch/mips/bcm947xx/setup.c linux.dev/arch/mips/bcm947xx/setu +} + +EXPORT_SYMBOL(sbh); ++EXPORT_SYMBOL(sbh_lock); +EXPORT_SYMBOL(boardflags); diff -urN linux.old/arch/mips/bcm947xx/time.c linux.dev/arch/mips/bcm947xx/time.c --- linux.old/arch/mips/bcm947xx/time.c 1970-01-01 01:00:00.000000000 +0100 @@ -11683,99 +11809,6 @@ diff -urN linux.old/arch/mips/mm/tlbex.c linux.dev/arch/mips/mm/tlbex.c tlbw(p); break; -diff -urN linux.old/arch/mips/pci/Makefile linux.dev/arch/mips/pci/Makefile ---- linux.old/arch/mips/pci/Makefile 2005-12-15 13:26:49.814003000 +0100 -+++ linux.dev/arch/mips/pci/Makefile 2005-12-15 14:27:26.439319250 +0100 -@@ -18,6 +18,7 @@ - obj-$(CONFIG_MIPS_TX3927) += ops-tx3927.o - obj-$(CONFIG_PCI_VR41XX) += ops-vr41xx.o pci-vr41xx.o - obj-$(CONFIG_NEC_CMBVR4133) += fixup-vr4133.o -+obj-$(CONFIG_BCM947XX) += fixup-bcm47xx.o - - # - # These are still pretty much in the old state, watch, go blind. -diff -urN linux.old/arch/mips/pci/fixup-bcm47xx.c linux.dev/arch/mips/pci/fixup-bcm47xx.c ---- linux.old/arch/mips/pci/fixup-bcm47xx.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux.dev/arch/mips/pci/fixup-bcm47xx.c 2005-12-18 04:42:58.079549750 +0100 -@@ -0,0 +1,78 @@ -+#include <linux/init.h> -+#include <linux/pci.h> -+#include <typedefs.h> -+#include <sbconfig.h> -+#include <bcmdevs.h> -+#include <pcicfg.h> -+ -+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) -+{ -+ u8 irq; -+ -+ if (dev->bus->number == 1) -+ return 2; -+ -+ pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq); -+ return irq + 2; -+} -+ -+u32 pci_iobase = 0x100; -+u32 pci_membase = SB_PCI_DMA; -+ -+static void bcm47xx_fixup_device(struct pci_dev *d) -+{ -+ struct resource *res; -+ int pos, size; -+ u32 *base; -+ -+ if (d->bus->number == 0) -+ return; -+ -+ printk("PCI: Fixing up device %s\n", pci_name(d)); -+ -+ /* Fix up resource bases */ -+ for (pos = 0; pos < 6; pos++) { -+ res = &d->resource[pos]; -+ base = ((res->flags & IORESOURCE_IO) ? &pci_iobase : &pci_membase); -+ if (res->end) { -+ size = res->end - res->start + 1; -+ if (*base & (size - 1)) -+ *base = (*base + size) & ~(size - 1); -+ res->start = *base; -+ res->end = res->start + size - 1; -+ *base += size; -+ pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start); -+ } -+ /* Fix up PCI bridge BAR0 only */ -+ if (d->bus->number == 1 && PCI_SLOT(d->devfn) == 0) -+ break; -+ } -+ /* Fix up interrupt lines */ -+ if (pci_find_device(VENDOR_BROADCOM, SB_PCI, NULL)) -+ d->irq = (pci_find_device(VENDOR_BROADCOM, SB_PCI, NULL))->irq; -+ pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq); -+} -+ -+static void bcm47xx_fixup_bridge(struct pci_dev *dev) -+{ -+ if (dev->bus->number != 1 || PCI_SLOT(dev->devfn) != 0) -+ return; -+ -+ printk("PCI: fixing up bridge\n"); -+ -+ /* Enable PCI bridge bus mastering and memory space */ -+ pci_set_master(dev); -+ pcibios_enable_device(dev, ~0); -+ -+ /* Enable PCI bridge BAR1 prefetch and burst */ -+ pci_write_config_dword(dev, PCI_BAR1_CONTROL, 3); -+} -+ -+/* Do platform specific device initialization at pci_enable_device() time */ -+int pcibios_plat_dev_init(struct pci_dev *dev) -+{ -+ bcm47xx_fixup_device(dev); -+ return 0; -+} -+ -+DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, bcm47xx_fixup_bridge); diff -urN linux.old/include/asm-mips/bootinfo.h linux.dev/include/asm-mips/bootinfo.h --- linux.old/include/asm-mips/bootinfo.h 2005-12-15 13:26:49.818001250 +0100 +++ linux.dev/include/asm-mips/bootinfo.h 2005-12-15 12:57:27.969147500 +0100 |