diff options
Diffstat (limited to 'target/linux/ifxmips/files/arch/mips')
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); |