diff options
Diffstat (limited to 'arch/arm/mach-s3c6410/mach-smdk6410.c')
| -rw-r--r-- | arch/arm/mach-s3c6410/mach-smdk6410.c | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c index e2811fca00a..5376880cdd8 100644 --- a/arch/arm/mach-s3c6410/mach-smdk6410.c +++ b/arch/arm/mach-s3c6410/mach-smdk6410.c @@ -49,6 +49,7 @@ #include <plat/regs-modem.h> #include <plat/regs-gpio.h> #include <plat/regs-sys.h> +#include <plat/regs-srom.h> #include <plat/iic.h> #include <plat/fb.h> #include <plat/gpio-cfg.h> @@ -154,10 +155,20 @@ static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = { .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, }; +/* + * Configuring Ethernet on SMDK6410 + * + * Both CS8900A and LAN9115 chips share one chip select mediated by CFG6. + * The constant address below corresponds to nCS1 + * + * 1) Set CFGB2 p3 ON others off, no other CFGB selects "ethernet" + * 2) CFG6 needs to be switched to "LAN9115" side + */ + static struct resource smdk6410_smsc911x_resources[] = { [0] = { - .start = 0x18000000, - .end = 0x18000000 + SZ_64K - 1, + .start = S3C64XX_PA_XM0CSN1, + .end = S3C64XX_PA_XM0CSN1 + SZ_64K - 1, .flags = IORESOURCE_MEM, }, [1] = { @@ -430,10 +441,32 @@ static void __init smdk6410_map_io(void) static void __init smdk6410_machine_init(void) { + u32 cs1; + s3c_i2c0_set_platdata(NULL); s3c_i2c1_set_platdata(NULL); s3c_fb_set_platdata(&smdk6410_lcd_pdata); + /* 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) | + (0xe << S3C64XX_SROM_BCX__TACC__SHIFT) | + (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) | + (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1); + gpio_request(S3C64XX_GPN(5), "LCD power"); gpio_request(S3C64XX_GPF(13), "LCD power"); gpio_request(S3C64XX_GPF(15), "LCD power"); |