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authorDarius Augulis <augulis.darius@gmail.com>2010-08-01 23:38:43 +0300
committerBen Dooks <ben-linux@fluff.org>2010-08-14 16:10:23 +0100
commitff266c0c91942cf56b03675ac5fc820b1ac600e1 (patch)
tree3bd8a4377fc705753b788a37122cb18311fd34a8 /arch
parenteab5cfa065c94389b72d84670b6197ae60ccb235 (diff)
ARM: mach-real6410: add dm9000 ethernet support for mach-real6410
This patch is based on "[PATCH v2] Support for Real6410" Signed-off-by: Darius Augulis <augulis.darius@gmail.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-s3c64xx/mach-real6410.c63
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 04a472a79f3f..1a0485ad4da6 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")

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