[PATCH 2/2] ARM: S5PV310: Support ethernet for SMDKV310 and SMDKC210
Sangbeom Kim
sbkim73 at samsung.com
Wed Oct 13 08:15:44 EDT 2010
From: Daein Moon <moon9124 at samsung.com>
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 <moon9124 at samsung.com>
Signed-off-by: Sangbeom Kim <sbkim73 at samsung.com>
---
arch/arm/mach-s5pv310/mach-smdkc210.c | 61 +++++++++++++++++++++++++++++++++
arch/arm/mach-s5pv310/mach-smdkv310.c | 61 +++++++++++++++++++++++++++++++++
2 files changed, 122 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s5pv310/mach-smdkc210.c b/arch/arm/mach-s5pv310/mach-smdkc210.c
index d2cf694..14aca19 100644
--- a/arch/arm/mach-s5pv310/mach-smdkc210.c
+++ b/arch/arm/mach-s5pv310/mach-smdkc210.c
@@ -12,6 +12,8 @@
#include <linux/gpio.h>
#include <linux/mmc/host.h>
#include <linux/platform_device.h>
+#include <linux/smsc911x.h>
+#include <linux/io.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
@@ -24,6 +26,7 @@
#include <plat/sdhci.h>
#include <mach/map.h>
+#include <mach/regs-srom.h>
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDKC210_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
@@ -106,6 +109,37 @@ static struct s3c_sdhci_platdata smdkc210_hsmmc3_pdata __initdata = {
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
+static struct resource smdkc210_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 smdkc210_smsc911x = {
+ .name = "smsc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(smdkc210_smsc911x_resources),
+ .resource = smdkc210_smsc911x_resources,
+ .dev = {
+ .platform_data = &smsc9215_config,
+ },
+};
+
static struct platform_device *smdkc210_devices[] __initdata = {
&s3c_device_hsmmc0,
&s3c_device_hsmmc1,
@@ -113,8 +147,33 @@ static struct platform_device *smdkc210_devices[] __initdata = {
&s3c_device_hsmmc3,
&s3c_device_rtc,
&s3c_device_wdt,
+ &smdkc210_smsc911x,
};
+static void __init smdkc210_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 smdkc210_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
@@ -124,6 +183,8 @@ static void __init smdkc210_map_io(void)
static void __init smdkc210_machine_init(void)
{
+ smdkc210_smsc911x_init();
+
s3c_sdhci0_set_platdata(&smdkc210_hsmmc0_pdata);
s3c_sdhci1_set_platdata(&smdkc210_hsmmc1_pdata);
s3c_sdhci2_set_platdata(&smdkc210_hsmmc2_pdata);
diff --git a/arch/arm/mach-s5pv310/mach-smdkv310.c b/arch/arm/mach-s5pv310/mach-smdkv310.c
index 10f8056..cd648d5 100644
--- a/arch/arm/mach-s5pv310/mach-smdkv310.c
+++ b/arch/arm/mach-s5pv310/mach-smdkv310.c
@@ -12,6 +12,8 @@
#include <linux/gpio.h>
#include <linux/mmc/host.h>
#include <linux/platform_device.h>
+#include <linux/smsc911x.h>
+#include <linux/io.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
@@ -24,6 +26,7 @@
#include <plat/sdhci.h>
#include <mach/map.h>
+#include <mach/regs-srom.h>
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDKV310_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
@@ -106,6 +109,37 @@ 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,
@@ -113,8 +147,33 @@ 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);
@@ -124,6 +183,8 @@ 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);
--
1.6.2.5
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