diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2008-10-21 00:01:06 +0900 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-27 16:18:27 +0000 |
| commit | 1ba5a1767416cfa4fa37096e160e764c56e1460a (patch) | |
| tree | 8feceebc290143f5fc4e77700836a93a155178be /arch/mips/txx9 | |
| parent | bc89b2bdefa5f56133d0b19a220880d4ada62560 (diff) | |
MIPS: RBTX4939: Add smc91x support
Add smc91x platform device to RBTX4939 board and some hacks for big endian.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/txx9')
| -rw-r--r-- | arch/mips/txx9/generic/setup.c | 15 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4939/setup.c | 43 |
2 files changed, 58 insertions, 0 deletions
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 5526375010f..18086c54957 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -622,6 +622,21 @@ unsigned long (*__swizzle_addr_b)(unsigned long port) = __swizzle_addr_none; EXPORT_SYMBOL(__swizzle_addr_b); #endif +#ifdef NEEDS_TXX9_IOSWABW +static u16 ioswabw_default(volatile u16 *a, u16 x) +{ + return le16_to_cpu(x); +} +static u16 __mem_ioswabw_default(volatile u16 *a, u16 x) +{ + return x; +} +u16 (*ioswabw)(volatile u16 *a, u16 x) = ioswabw_default; +EXPORT_SYMBOL(ioswabw); +u16 (*__mem_ioswabw)(volatile u16 *a, u16 x) = __mem_ioswabw_default; +EXPORT_SYMBOL(__mem_ioswabw); +#endif + void __init txx9_physmap_flash_init(int no, unsigned long addr, unsigned long size, const struct physmap_flash_data *pdata) diff --git a/arch/mips/txx9/rbtx4939/setup.c b/arch/mips/txx9/rbtx4939/setup.c index c8851777491..6daee9b1cd5 100644 --- a/arch/mips/txx9/rbtx4939/setup.c +++ b/arch/mips/txx9/rbtx4939/setup.c @@ -14,6 +14,8 @@ #include <linux/types.h> #include <linux/platform_device.h> #include <linux/leds.h> +#include <linux/interrupt.h> +#include <linux/smc91x.h> #include <asm/reboot.h> #include <asm/txx9/generic.h> #include <asm/txx9/pci.h> @@ -33,6 +35,21 @@ static void __init rbtx4939_time_init(void) tx4939_time_init(0); } +#if defined(__BIG_ENDIAN) && \ + (defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)) +#define HAVE_RBTX4939_IOSWAB +#define IS_CE1_ADDR(addr) \ + ((((unsigned long)(addr) - IO_BASE) & 0xfff00000) == TXX9_CE(1)) +static u16 rbtx4939_ioswabw(volatile u16 *a, u16 x) +{ + return IS_CE1_ADDR(a) ? x : le16_to_cpu(x); +} +static u16 rbtx4939_mem_ioswabw(volatile u16 *a, u16 x) +{ + return !IS_CE1_ADDR(a) ? x : le16_to_cpu(x); +} +#endif /* __BIG_ENDIAN && CONFIG_SMC91X */ + static void __init rbtx4939_pci_setup(void) { #ifdef CONFIG_PCI @@ -272,6 +289,22 @@ static void __init rbtx4939_arch_init(void) static void __init rbtx4939_device_init(void) { + unsigned long smc_addr = RBTX4939_ETHER_ADDR - IO_BASE; + struct resource smc_res[] = { + { + .start = smc_addr, + .end = smc_addr + 0x10 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = RBTX4939_IRQ_ETHER, + /* override default irq flag defined in smc91x.h */ + .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW, + }, + }; + struct smc91x_platdata smc_pdata = { + .flags = SMC91X_USE_16BIT, + }; + struct platform_device *pdev; #if defined(CONFIG_TC35815) || defined(CONFIG_TC35815_MODULE) int i, j; unsigned char ethaddr[2][6]; @@ -288,6 +321,12 @@ static void __init rbtx4939_device_init(void) } tx4939_ethaddr_init(ethaddr[0], ethaddr[1]); #endif + pdev = platform_device_alloc("smc91x", -1); + if (!pdev || + platform_device_add_resources(pdev, smc_res, ARRAY_SIZE(smc_res)) || + platform_device_add_data(pdev, &smc_pdata, sizeof(smc_pdata)) || + platform_device_add(pdev)) + platform_device_put(pdev); rbtx4939_led_setup(); tx4939_wdt_init(); tx4939_ata_init(); @@ -304,6 +343,10 @@ static void __init rbtx4939_setup(void) if (txx9_master_clock == 0) txx9_master_clock = 20000000; tx4939_setup(); +#ifdef HAVE_RBTX4939_IOSWAB + ioswabw = rbtx4939_ioswabw; + __mem_ioswabw = rbtx4939_mem_ioswabw; +#endif _machine_restart = rbtx4939_machine_restart; |