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-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig14
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/board.c22
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/cgu.c16
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/prom.c3
-rw-r--r--target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c53
5 files changed, 76 insertions, 32 deletions
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig b/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig
index f01fcd362..3e68f7f9b 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig
@@ -2,24 +2,10 @@
menu "IFXMips built-in"
-config IFXMIPS_ASC_UART
- bool "IFXMips asc uart"
- select SERIAL_CORE
- select SERIAL_CORE_CONSOLE
- default y
-
config MTD_IFXMIPS
bool "IFXMips flash map"
default y
-config IFXMIPS_WDT
- bool "IFXMips watchdog"
- default y
-
-config IFXMIPS_LED
- bool "IFXMips led"
- default y
-
config IFXMIPS_SSC
bool "IFXMips ssc"
default y
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
index aabcb5fce..28f2e263c 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
@@ -32,7 +32,7 @@
#include <asm/io.h>
#include <asm/ifxmips/ifxmips.h>
-#define MAX_IFXMIPS_DEVS 7
+#define MAX_IFXMIPS_DEVS 9
#define BOARD_DANUBE "Danube"
#define BOARD_DANUBE_CHIPID 0x10129083
@@ -79,6 +79,24 @@ ifxmips_wdt[] =
},
};
+static struct platform_device
+ifxmips_asc0[] =
+{
+ {
+ .id = 0,
+ .name = "ifxmips_asc",
+ },
+};
+
+static struct platform_device
+ifxmips_asc1[] =
+{
+ {
+ .id = 1,
+ .name = "ifxmips_asc",
+ },
+};
+
static struct physmap_flash_data
ifxmips_mtd_data = {
.width = 2,
@@ -155,6 +173,8 @@ ifxmips_init_devices(void)
ifxmips_devs[dev++] = ifxmips_mii;
ifxmips_devs[dev++] = ifxmips_mtd;
ifxmips_devs[dev++] = ifxmips_wdt;
+ //ifxmips_devs[dev++] = ifxmips_asc0;
+ ifxmips_devs[dev++] = ifxmips_asc1;
#ifdef CONFIG_GPIO_DEVICE
ifxmips_devs[dev++] = ifxmips_gpio_dev;
#endif
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/cgu.c b/target/linux/ifxmips/files/arch/mips/ifxmips/cgu.c
index 3dec89e7c..d1e2ff4fa 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/cgu.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/cgu.c
@@ -413,3 +413,19 @@ cgu_get_clockout(int clkout)
}
return 0;
}
+
+void cgu_setup_pci_clk(int external_clock)
+{
+ //set clock to 33Mhz
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~0xf00000, IFXMIPS_CGU_IFCCR);
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | 0x800000, IFXMIPS_CGU_IFCCR);
+ // internal or external clock
+ if(external_clock)
+ {
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~ (1 << 16), IFXMIPS_CGU_IFCCR);
+ ifxmips_w32((1 << 30), IFXMIPS_CGU_PCICR);
+ } else {
+ ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | (1 << 16), IFXMIPS_CGU_IFCCR);
+ ifxmips_w32((1 << 31) | (1 << 30), IFXMIPS_CGU_PCICR);
+ }
+}
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c b/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
index 95630ae36..4e307d044 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
@@ -125,8 +125,7 @@ prom_init(void)
memsize -= prom_cp1_size;
prom_cp1_base = (unsigned int*)(0xA0000000 + (memsize * 1024 * 1024));
- prom_printf(KERN_INFO "Using %dMB Ram and reserving %dMB for cp1\n",
- memsize, prom_cp1_size);
+ prom_printf("Using %dMB Ram and reserving %dMB for cp1\n", memsize, prom_cp1_size);
memsize *= 1024 * 1024;
if(!*arcs_cmdline)
diff --git a/target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c b/target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c
index 092a80ec4..bd500bdec 100644
--- a/target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c
+++ b/target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c
@@ -6,6 +6,7 @@
#include <linux/mm.h>
#include <asm/ifxmips/ifxmips.h>
#include <asm/ifxmips/ifxmips_irq.h>
+#include <asm/ifxmips/ifxmips_cgu.h>
#include <asm/addrspace.h>
#include <linux/vmalloc.h>
@@ -17,26 +18,30 @@
extern int ifxmips_pci_read_config_dword(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val);
extern int ifxmips_pci_write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val);
-struct pci_ops ifxmips_pci_ops = {
+struct pci_ops ifxmips_pci_ops =
+{
.read = ifxmips_pci_read_config_dword,
.write = ifxmips_pci_write_config_dword
};
-static struct resource pci_io_resource = {
+static struct resource pci_io_resource =
+{
.name = "io pci IO space",
.start = IFXMIPS_PCI_IO_BASE,
.end = IFXMIPS_PCI_IO_BASE + IFXMIPS_PCI_IO_SIZE - 1,
.flags = IORESOURCE_IO
};
-static struct resource pci_mem_resource = {
+static struct resource pci_mem_resource =
+{
.name = "ext pci memory space",
.start = IFXMIPS_PCI_MEM_BASE,
.end = IFXMIPS_PCI_MEM_BASE + IFXMIPS_PCI_MEM_SIZE - 1,
.flags = IORESOURCE_MEM
};
-static struct pci_controller ifxmips_pci_controller = {
+static struct pci_controller ifxmips_pci_controller =
+{
.pci_ops = &ifxmips_pci_ops,
.mem_resource = &pci_mem_resource,
.mem_offset = 0x00000000UL,
@@ -45,12 +50,25 @@ static struct pci_controller ifxmips_pci_controller = {
};
u32 ifxmips_pci_mapped_cfg;
+u32 ifxmips_pci_external_clock = 0;
+
+static int __init
+ifxmips_pci_set_external_clk(char *str)
+{
+ printk("cgu: setting up external pci clock\n");
+ ifxmips_pci_external_clock = 1;
+ return 1;
+}
+__setup("pci_external_clk", ifxmips_pci_set_external_clk);
-int pcibios_plat_dev_init(struct pci_dev *dev){
+int
+pcibios_plat_dev_init(struct pci_dev *dev)
+{
u8 pin;
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
- switch(pin) {
+ switch(pin)
+ {
case 0:
break;
case 1:
@@ -69,12 +87,13 @@ int pcibios_plat_dev_init(struct pci_dev *dev){
return 0;
}
-static void __init ifxmips_pci_startup (void){
+static void __init
+ifxmips_pci_startup(void)
+{
u32 temp_buffer;
- ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~0xf00000, IFXMIPS_CGU_IFCCR);
- ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | 0x800000, IFXMIPS_CGU_IFCCR);
- ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | (1 << 16), IFXMIPS_CGU_IFCCR);
- ifxmips_w32((1 << 31) | (1 << 30), IFXMIPS_CGU_PCICR);
+
+ cgu_setup_pci_clk(ifxmips_pci_external_clock);
+
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_OUT) | (1 << 5), IFXMIPS_GPIO_P1_OUT);
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_OD) | (1 << 5), IFXMIPS_GPIO_P1_OD);
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_DIR) | (1 << 5), IFXMIPS_GPIO_P1_DIR);
@@ -138,8 +157,10 @@ static void __init ifxmips_pci_startup (void){
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_OUT) | (1 << 5), IFXMIPS_GPIO_P1_OUT);
}
-int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin){
- switch (slot) {
+int __init
+pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin){
+ switch(slot)
+ {
case 13:
/* IDSEL = AD29 --> USB Host Controller */
return (INT_NUM_IM1_IRL0 + 17);
@@ -152,11 +173,13 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin){
}
}
-int pcibios_init(void){
+int
+pcibios_init(void)
+{
extern int pci_probe_only;
pci_probe_only = 0;
- printk ("PCI: Probing PCI hardware on host bus 0.\n");
+ printk("PCI: Probing PCI hardware on host bus 0.\n");
ifxmips_pci_startup ();
// IFXMIPS_PCI_REG32(PCI_CR_CLK_CTRL_REG) &= (~8);
ifxmips_pci_mapped_cfg = (u32)ioremap_nocache(0x17000000, 0x800 * 16);