From cbff3eb3e6e3c618583a7435f87c1548aa12b0ad Mon Sep 17 00:00:00 2001 From: Daein Moon Date: Tue, 26 Oct 2010 12:51:17 +0900 Subject: ARM: S5PV310: Support ethernet for SMDKV310 and SMDKC210 This patch adds to support ethernet for SMDKV310 and SMDKC210 board. - define smc911x resources - define configurations of smc911x platform data - define platform device "smsc911x" - initialize srom controller for lan9215 chip Signed-off-by: Daein Moon Signed-off-by: Sangbeom Kim Signed-off-by: Kukjin Kim --- arch/arm/mach-s5pv310/mach-smdkv310.c | 61 +++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) (limited to 'arch/arm/mach-s5pv310/mach-smdkv310.c') diff --git a/arch/arm/mach-s5pv310/mach-smdkv310.c b/arch/arm/mach-s5pv310/mach-smdkv310.c index e350a7582d08..2e625a3a27fd 100644 --- a/arch/arm/mach-s5pv310/mach-smdkv310.c +++ b/arch/arm/mach-s5pv310/mach-smdkv310.c @@ -12,6 +12,8 @@ #include #include #include +#include +#include #include #include @@ -23,6 +25,7 @@ #include #include +#include /* Following are default values for UCON, ULCON and UFCON UART registers */ #define SMDKV310_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ @@ -105,6 +108,37 @@ static struct s3c_sdhci_platdata smdkv310_hsmmc3_pdata __initdata = { .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, }; +static struct resource smdkv310_smsc911x_resources[] = { + [0] = { + .start = S5PV310_PA_SROM_BANK(1), + .end = S5PV310_PA_SROM_BANK(1) + SZ_64K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_EINT(5), + .end = IRQ_EINT(5), + .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW, + }, +}; + +static struct smsc911x_platform_config smsc9215_config = { + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH, + .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, + .flags = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY, + .phy_interface = PHY_INTERFACE_MODE_MII, + .mac = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67}, +}; + +static struct platform_device smdkv310_smsc911x = { + .name = "smsc911x", + .id = -1, + .num_resources = ARRAY_SIZE(smdkv310_smsc911x_resources), + .resource = smdkv310_smsc911x_resources, + .dev = { + .platform_data = &smsc9215_config, + }, +}; + static struct platform_device *smdkv310_devices[] __initdata = { &s3c_device_hsmmc0, &s3c_device_hsmmc1, @@ -112,8 +146,33 @@ static struct platform_device *smdkv310_devices[] __initdata = { &s3c_device_hsmmc3, &s3c_device_rtc, &s3c_device_wdt, + &smdkv310_smsc911x, }; +static void __init smdkv310_smsc911x_init(void) +{ + u32 cs1; + + /* configure nCS1 width to 16 bits */ + cs1 = __raw_readl(S5PV310_SROM_BW) & + ~(S5PV310_SROM_BW__CS_MASK << + S5PV310_SROM_BW__NCS1__SHIFT); + cs1 |= ((1 << S5PV310_SROM_BW__DATAWIDTH__SHIFT) | + (1 << S5PV310_SROM_BW__WAITENABLE__SHIFT) | + (1 << S5PV310_SROM_BW__BYTEENABLE__SHIFT)) << + S5PV310_SROM_BW__NCS1__SHIFT; + __raw_writel(cs1, S5PV310_SROM_BW); + + /* set timing for nCS1 suitable for ethernet chip */ + __raw_writel((0x1 << S5PV310_SROM_BCX__PMC__SHIFT) | + (0x9 << S5PV310_SROM_BCX__TACP__SHIFT) | + (0xc << S5PV310_SROM_BCX__TCAH__SHIFT) | + (0x1 << S5PV310_SROM_BCX__TCOH__SHIFT) | + (0x6 << S5PV310_SROM_BCX__TACC__SHIFT) | + (0x1 << S5PV310_SROM_BCX__TCOS__SHIFT) | + (0x1 << S5PV310_SROM_BCX__TACS__SHIFT), S5PV310_SROM_BC1); +} + static void __init smdkv310_map_io(void) { s5p_init_io(NULL, 0, S5P_VA_CHIPID); @@ -123,6 +182,8 @@ static void __init smdkv310_map_io(void) static void __init smdkv310_machine_init(void) { + smdkv310_smsc911x_init(); + s3c_sdhci0_set_platdata(&smdkv310_hsmmc0_pdata); s3c_sdhci1_set_platdata(&smdkv310_hsmmc1_pdata); s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata); -- cgit v1.2.2