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sh: ms7724se: Add sh_eth support

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Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Kuninori Morimoto 2009-06-26 07:05:39 +00:00 committed by Paul Mundt
parent dfc2f91ac2
commit a80cad950f
2 changed files with 109 additions and 2 deletions
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106
arch/sh/boards/mach-se/7724/setup.c
View file

@ -23,6 +23,8 @@
#include <media/sh_mobile_ceu.h>
#include <asm/io.h>
#include <asm/heartbeat.h>
#include <asm/sh_eth.h>
#include <asm/clock.h>
#include <asm/sh_keysc.h>
#include <cpu/sh7724.h>
#include <mach-se/mach/se7724.h>
@ -272,6 +274,34 @@ static struct platform_device keysc_device = {
},
};
/* SH Eth */
static struct resource sh_eth_resources[] = {
[0] = {
.start = SH_ETH_ADDR,
.end = SH_ETH_ADDR + 0x1FC,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 91,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
},
};
struct sh_eth_plat_data sh_eth_plat = {
.phy = 0x1f, /* SMSC LAN8187 */
.edmac_endian = EDMAC_LITTLE_ENDIAN,
};
static struct platform_device sh_eth_device = {
.name = "sh-eth",
.id = 0,
.dev = {
.platform_data = &sh_eth_plat,
},
.num_resources = ARRAY_SIZE(sh_eth_resources),
.resource = sh_eth_resources,
};
static struct platform_device *ms7724se_devices[] __initdata = {
&heartbeat_device,
&smc91x_eth_device,
@ -280,8 +310,57 @@ static struct platform_device *ms7724se_devices[] __initdata = {
&ceu0_device,
&ceu1_device,
&keysc_device,
&sh_eth_device,
};
#define EEPROM_OP 0xBA206000
#define EEPROM_ADR 0xBA206004
#define EEPROM_DATA 0xBA20600C
#define EEPROM_STAT 0xBA206010
#define EEPROM_STRT 0xBA206014
static int __init sh_eth_is_eeprom_ready(void)
{
int t = 10000;
while (t--) {
if (!ctrl_inw(EEPROM_STAT))
return 1;
cpu_relax();
}
printk(KERN_ERR "ms7724se can not access to eeprom\n");
return 0;
}
static void __init sh_eth_init(void)
{
int i;
u16 mac[3];
/* check EEPROM status */
if (!sh_eth_is_eeprom_ready())
return;
/* read MAC addr from EEPROM */
for (i = 0 ; i < 3 ; i++) {
ctrl_outw(0x0, EEPROM_OP); /* read */
ctrl_outw(i*2, EEPROM_ADR);
ctrl_outw(0x1, EEPROM_STRT);
if (!sh_eth_is_eeprom_ready())
return;
mac[i] = ctrl_inw(EEPROM_DATA);
mac[i] = ((mac[i] & 0xFF) << 8) | (mac[i] >> 8); /* swap */
}
/* reset sh-eth */
ctrl_outl(0x1, SH_ETH_ADDR + 0x0);
/* set MAC addr */
ctrl_outl(((mac[0] << 16) | (mac[1])), SH_ETH_MAHR);
ctrl_outl((mac[2]), SH_ETH_MALR);
}
#define SW4140 0xBA201000
#define FPGA_OUT 0xBA200400
#define PORT_HIZA 0xA4050158
@ -302,7 +381,8 @@ static int __init devices_setup(void)
ctrl_outw(ctrl_inw(FPGA_OUT) &
~((1 << 1) | /* LAN */
(1 << 6) | /* VIDEO DAC */
(1 << 12)), /* USB0 */
(1 << 12) | /* USB0 */
(1 << 14)), /* RMII */
FPGA_OUT);
/* enable IRQ 0,1,2 */
@ -404,6 +484,28 @@ static int __init devices_setup(void)
gpio_request(GPIO_FN_KEYOUT1, NULL);
gpio_request(GPIO_FN_KEYOUT0, NULL);
/*
* enable SH-Eth
*
* please remove J33 pin from your board !!
*
* ms7724 board should not use GPIO_FN_LNKSTA pin
* So, This time PTX5 is set to input pin
*/
gpio_request(GPIO_FN_RMII_RXD0, NULL);
gpio_request(GPIO_FN_RMII_RXD1, NULL);
gpio_request(GPIO_FN_RMII_TXD0, NULL);
gpio_request(GPIO_FN_RMII_TXD1, NULL);
gpio_request(GPIO_FN_RMII_REF_CLK, NULL);
gpio_request(GPIO_FN_RMII_TX_EN, NULL);
gpio_request(GPIO_FN_RMII_RX_ER, NULL);
gpio_request(GPIO_FN_RMII_CRS_DV, NULL);
gpio_request(GPIO_FN_MDIO, NULL);
gpio_request(GPIO_FN_MDC, NULL);
gpio_request(GPIO_PTX5, NULL);
gpio_direction_input(GPIO_PTX5);
sh_eth_init();
if (sw & SW41_B) {
/* SVGA */
lcdc_info.ch[0].lcd_cfg.xres = 800;
@ -437,7 +539,7 @@ static int __init devices_setup(void)
}
return platform_add_devices(ms7724se_devices,
ARRAY_SIZE(ms7724se_devices));
ARRAY_SIZE(ms7724se_devices));
}
device_initcall(devices_setup);

5
arch/sh/include/mach-se/mach/se7724.h
View file

@ -20,6 +20,11 @@
*/
#include <asm/addrspace.h>
/* SH Eth */
#define SH_ETH_ADDR (0xA4600000)
#define SH_ETH_MAHR (SH_ETH_ADDR + 0x1C0)
#define SH_ETH_MALR (SH_ETH_ADDR + 0x1C8)
#define PA_LED (0xba203000) /* 8bit LED */
#define IRQ_MODE (0xba200010)
#define IRQ0_SR (0xba200014)