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ARM i.MX53: enable fec driver on EVK board 

1. Adjust FEC base address name to fit macro definition
2. Add platform data and reset function for FEC

Signed-off-by: Yong Shen <yong.shen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Yong Shen 2011-01-07 12:25:32 +08:00 committed by Sascha Hauer
parent 14c6500e75
commit 639047677b
5 changed files with 38 additions and 2 deletions
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27
arch/arm/mach-mx5/board-mx53_evk.c
View File

@ -21,6 +21,9 @@
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/fec.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@ -29,6 +32,8 @@
#include <mach/imx-uart.h>
#include <mach/iomux-mx53.h>
#define SMD_FEC_PHY_RST IMX_GPIO_NR(7, 6)
#include "crm_regs.h"
#include "devices-imx53.h"
@ -60,11 +65,33 @@ static inline void mx53_evk_init_uart(void)
imx53_add_imx_uart(2, &mx53_evk_uart_pdata);
}
static inline void mx53_evk_fec_reset(void)
{
int ret;
/* reset FEC PHY */
ret = gpio_request(SMD_FEC_PHY_RST, "fec-phy-reset");
if (ret) {
printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
return;
}
gpio_direction_output(SMD_FEC_PHY_RST, 0);
gpio_set_value(SMD_FEC_PHY_RST, 0);
msleep(1);
gpio_set_value(SMD_FEC_PHY_RST, 1);
}
static struct fec_platform_data mx53_evk_fec_pdata = {
.phy = PHY_INTERFACE_MODE_RMII,
};
static void __init mx53_evk_board_init(void)
{
mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
ARRAY_SIZE(mx53_evk_pads));
mx53_evk_init_uart();
mx53_evk_fec_reset();
imx53_add_fec(&mx53_evk_fec_pdata);
}
static void __init mx53_evk_timer_init(void)

4
arch/arm/mach-mx5/devices-imx53.h
View File

@ -8,6 +8,10 @@
#include <mach/mx53.h>
#include <mach/devices-common.h>
extern const struct imx_fec_data imx53_fec_data __initconst;
#define imx53_add_fec(pdata) \
imx_add_fec(&imx53_fec_data, pdata)
extern const struct imx_imx_uart_1irq_data imx53_imx_uart_data[] __initconst;
#define imx53_add_imx_uart(id, pdata) \
imx_add_imx_uart_1irq(&imx53_imx_uart_data[id], pdata)

2
arch/arm/plat-mxc/devices/Kconfig
View File

@ -1,6 +1,6 @@
config IMX_HAVE_PLATFORM_FEC
bool
default y if ARCH_MX25 || SOC_IMX27 || SOC_IMX35 || SOC_IMX51
default y if ARCH_MX25 || SOC_IMX27 || SOC_IMX35 || SOC_IMX51 || SOC_IMX53
config IMX_HAVE_PLATFORM_FLEXCAN
select HAVE_CAN_FLEXCAN if CAN

5
arch/arm/plat-mxc/devices/platform-fec.c
View File

@ -36,6 +36,11 @@ const struct imx_fec_data imx51_fec_data __initconst =
imx_fec_data_entry_single(MX51);
#endif
#ifdef CONFIG_SOC_IMX53
const struct imx_fec_data imx53_fec_data __initconst =
imx_fec_data_entry_single(MX53);
#endif
struct platform_device *__init imx_add_fec(
const struct imx_fec_data *data,
const struct fec_platform_data *pdata)

2
arch/arm/plat-mxc/include/mach/mx53.h
View File

@ -136,7 +136,7 @@
#define MX53_MIPI_HSC_BASE_ADDR (MX53_AIPS2_BASE_ADDR + 0x000DC000)
#define MX53_MLB_BASE_ADDR (MX53_AIPS2_BASE_ADDR + 0x000E4000)
#define MX53_SSI3_BASE_ADDR (MX53_AIPS2_BASE_ADDR + 0x000E8000)
#define MX53_MXC_FEC_BASE_ADDR (MX53_AIPS2_BASE_ADDR + 0x000EC000)
#define MX53_FEC_BASE_ADDR (MX53_AIPS2_BASE_ADDR + 0x000EC000)
#define MX53_TVE_BASE_ADDR (MX53_AIPS2_BASE_ADDR + 0x000F0000)
#define MX53_VPU_BASE_ADDR (MX53_AIPS2_BASE_ADDR + 0x000F4000)
#define MX53_SAHARA_BASE_ADDR (MX53_AIPS2_BASE_ADDR + 0x000F8000)