diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-s3c64xx/mach-real6410.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c index 04a472a79f3..1a0485ad4da 100644 --- a/arch/arm/mach-s3c64xx/mach-real6410.c +++ b/arch/arm/mach-s3c64xx/mach-real6410.c @@ -17,6 +17,7 @@ #include <linux/interrupt.h> #include <linux/list.h> #include <linux/init.h> +#include <linux/dm9000.h> #include <linux/serial_core.h> #include <linux/platform_device.h> #include <asm/mach-types.h> @@ -24,6 +25,7 @@ #include <asm/mach/map.h> #include <mach/map.h> #include <mach/s3c6410.h> +#include <mach/regs-srom.h> #include <plat/cpu.h> #include <plat/regs-serial.h> @@ -62,6 +64,44 @@ static struct s3c2410_uartcfg real6410_uartcfgs[] __initdata = { }, }; +/* DM9000AEP 10/100 ethernet controller */ + +static struct resource real6410_dm9k_resource[] = { + [0] = { + .start = S3C64XX_PA_XM0CSN1, + .end = S3C64XX_PA_XM0CSN1 + 1, + .flags = IORESOURCE_MEM + }, + [1] = { + .start = S3C64XX_PA_XM0CSN1 + 4, + .end = S3C64XX_PA_XM0CSN1 + 5, + .flags = IORESOURCE_MEM + }, + [2] = { + .start = S3C_EINT(7), + .end = S3C_EINT(7), + .flags = IORESOURCE_IRQ, + } +}; + +static struct dm9000_plat_data real6410_dm9k_pdata = { + .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), +}; + +static struct platform_device real6410_device_eth = { + .name = "dm9000", + .id = -1, + .num_resources = ARRAY_SIZE(real6410_dm9k_resource), + .resource = real6410_dm9k_resource, + .dev = { + .platform_data = &real6410_dm9k_pdata, + }, +}; + +static struct platform_device *real6410_devices[] __initdata = { + &real6410_device_eth, +}; + static void __init real6410_map_io(void) { s3c64xx_init_io(NULL, 0); @@ -71,6 +111,29 @@ static void __init real6410_map_io(void) static void __init real6410_machine_init(void) { + u32 cs1; + + /* configure nCS1 width to 16 bits */ + + cs1 = __raw_readl(S3C64XX_SROM_BW) & + ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT); + cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) | + (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) | + (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) << + S3C64XX_SROM_BW__NCS1__SHIFT; + __raw_writel(cs1, S3C64XX_SROM_BW); + + /* set timing for nCS1 suitable for ethernet chip */ + + __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) | + (6 << S3C64XX_SROM_BCX__TACP__SHIFT) | + (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) | + (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) | + (13 << S3C64XX_SROM_BCX__TACC__SHIFT) | + (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) | + (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1); + + platform_add_devices(real6410_devices, ARRAY_SIZE(real6410_devices)); } MACHINE_START(REAL6410, "REAL6410") |