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ARM: mach-real6410: add dm9000 ethernet support for mach-real6410

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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>
This commit is contained in:
Darius Augulis 2010-08-01 23:38:43 +03:00 • committed by Ben Dooks
parent eab5cfa065
commit ff266c0c91
1 changed files with 63 additions and 0 deletions
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63
arch/arm/mach-s3c64xx/mach-real6410.c
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@ -17,6 +17,7 @@
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/list.h> #include <linux/list.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/dm9000.h>
#include <linux/serial_core.h> #include <linux/serial_core.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <asm/mach-types.h> #include <asm/mach-types.h>
@ -24,6 +25,7 @@
#include <asm/mach/map.h> #include <asm/mach/map.h>
#include <mach/map.h> #include <mach/map.h>
#include <mach/s3c6410.h> #include <mach/s3c6410.h>
#include <mach/regs-srom.h>
#include <plat/cpu.h> #include <plat/cpu.h>
#include <plat/regs-serial.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) static void __init real6410_map_io(void)
{ {
s3c64xx_init_io(NULL, 0); s3c64xx_init_io(NULL, 0);
@ -71,6 +111,29 @@ static void __init real6410_map_io(void)
static void __init real6410_machine_init(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") MACHINE_START(REAL6410, "REAL6410")