X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/63b12ffd1bf4012ffb97802ca54a60a3d895903a..51dad7245443d4a057687669bc34bcf934c2f483:/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c?ds=inline diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c index 78b283591..0255ae324 100644 --- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c +++ b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c @@ -28,24 +28,19 @@ #include #include "ar531x.h" -#define AR531X_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */ -#define AR531X_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */ -#define AR531X_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */ -#define AR531X_IRQ_LCBUS_PCI MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */ -#define AR531X_IRQ_WLAN0_POLL MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */ - +static int is_5315 = 0; static struct resource ar5315_eth_res[] = { { - .name = "eth_membase", + .name = "eth0_membase", .flags = IORESOURCE_MEM, .start = AR5315_ENET0, .end = AR5315_ENET0 + 0x2000, }, { - .name = "eth_irq", + .name = "eth0_irq", .flags = IORESOURCE_IRQ, - .start = AR531X_IRQ_ENET0_INTRS, - .end = AR531X_IRQ_ENET0_INTRS, + .start = AR5315_IRQ_ENET0_INTRS, + .end = AR5315_IRQ_ENET0_INTRS, }, }; @@ -55,6 +50,7 @@ static struct ar531x_eth ar5315_eth_data = { .reset_base = AR5315_RESET, .reset_mac = AR5315_RESET_ENET0, .reset_phy = AR5315_RESET_EPHY0, + .phy_base = AR5315_ENET0 }; static struct platform_device ar5315_eth = { @@ -147,6 +143,7 @@ static __u8 spiflash_probe(void) #define STM_16MBIT_SIGNATURE 0x14 #define STM_32MBIT_SIGNATURE 0x15 #define STM_64MBIT_SIGNATURE 0x16 +#define STM_128MBIT_SIGNATURE 0x17 static char __init *ar5315_flash_limit(void) @@ -172,6 +169,9 @@ static char __init *ar5315_flash_limit(void) case STM_64MBIT_SIGNATURE: flash_size = 0x00800000; break; + case STM_128MBIT_SIGNATURE: + flash_size = 0x01000000; + break; } ar5315_spiflash_res[0].end = ar5315_spiflash_res[0].start + flash_size; @@ -181,20 +181,40 @@ static char __init *ar5315_flash_limit(void) int __init ar5315_init_devices(void) { struct ar531x_config *config; + struct ar531x_boarddata *bcfg; + u32 devid; int dev = 0; - if (mips_machtype != MACH_ATHEROS_AR5315) + if (!is_5315) return 0; + /* Find board configuration */ ar531x_find_config(ar5315_flash_limit()); + bcfg = (struct ar531x_boarddata *) board_config; + +#if 0 + /* Detect the hardware based on the device ID */ + devid = sysRegRead(AR5315_SREV) & AR5315_REV_MAJ >> AR5315_REV_MAJ_S; + switch(devid) { + case 0x9: + mips_machtype = MACH_ATHEROS_AR2317; + break; + /* FIXME: how can we detect AR2316? */ + case 0x8: + default: + mips_machtype = MACH_ATHEROS_AR2315; + break; + } +#endif config = (struct ar531x_config *) kzalloc(sizeof(struct ar531x_config), GFP_KERNEL); config->board = board_config; config->radio = radio_config; config->unit = 0; - config->tag = (u_int16_t) (sysRegRead(AR5315_SREV) & REV_CHIP); + config->tag = (u_int16_t) (sysRegRead(AR5315_SREV) & AR5315_REV_CHIP); ar5315_eth_data.board_config = board_config; + ar5315_eth_data.macaddr = bcfg->enet0Mac; ar5315_wmac.dev.platform_data = config; ar5315_devs[dev++] = &ar5315_eth; @@ -218,9 +238,9 @@ asmlinkage void ar5315_irq_dispatch(void) int pending = read_c0_status() & read_c0_cause(); if (pending & CAUSEF_IP3) - do_IRQ(AR531X_IRQ_WLAN0_INTRS); + do_IRQ(AR5315_IRQ_WLAN0_INTRS); else if (pending & CAUSEF_IP4) - do_IRQ(AR531X_IRQ_ENET0_INTRS); + do_IRQ(AR5315_IRQ_ENET0_INTRS); else if (pending & CAUSEF_IP2) { unsigned int ar531x_misc_intrs = sysRegRead(AR5315_ISR) & sysRegRead(AR5315_IMR); @@ -385,8 +405,6 @@ ar5315_misc_intr_enable(unsigned int irq) } sysRegWrite(AR5315_IMR, imr); imr=sysRegRead(AR5315_IMR); /* flush write buffer */ - //printk("enable Interrupt irq 0x%x imr 0x%x \n",irq,imr); - } /* Disable the specified AR531X_MISC_IRQ interrupt */ @@ -504,7 +522,24 @@ void ar5315_misc_intr_init(int irq_base) irq_desc[i].chip = &ar5315_misc_intr_controller; } setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar5315_ahb_proc_interrupt); - setup_irq(AR531X_IRQ_MISC_INTRS, &cascade); + setup_irq(AR5315_IRQ_MISC_INTRS, &cascade); +} + +void __init ar5315_prom_init(void) +{ + u32 memsize, memcfg; + + is_5315 = 1; + memcfg = sysRegRead(AR5315_MEM_CFG); + memsize = 1 + ((memcfg & SDRAM_DATA_WIDTH_M) >> SDRAM_DATA_WIDTH_S); + memsize <<= 1 + ((memcfg & SDRAM_COL_WIDTH_M) >> SDRAM_COL_WIDTH_S); + memsize <<= 1 + ((memcfg & SDRAM_ROW_WIDTH_M) >> SDRAM_ROW_WIDTH_S); + memsize <<= 3; + add_memory_region(0, memsize, BOOT_MEM_RAM); + + /* Initialize it to AR2315 for now. Real detection will be done + * in ar5315_init_devices() */ + mips_machtype = MACH_ATHEROS_AR2315; } void __init ar5315_plat_setup(void)