diff options
Diffstat (limited to 'arch/arm/mach-mx25')
| -rw-r--r-- | arch/arm/mach-mx25/clock.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mx25/devices.c | 19 | ||||
| -rw-r--r-- | arch/arm/mach-mx25/devices.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mx25/mx25pdk.c | 46 |
4 files changed, 66 insertions, 2 deletions
diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c index ef26951a5275..6e838b857712 100644 --- a/arch/arm/mach-mx25/clock.c +++ b/arch/arm/mach-mx25/clock.c @@ -173,6 +173,7 @@ DEFINE_CLOCK(pwm4_clk, 0, CCM_CGCR2, 2, get_rate_ipg, NULL); DEFINE_CLOCK(kpp_clk, 0, CCM_CGCR1, 28, get_rate_ipg, NULL); DEFINE_CLOCK(tsc_clk, 0, CCM_CGCR2, 13, get_rate_ipg, NULL); DEFINE_CLOCK(i2c_clk, 0, CCM_CGCR0, 6, get_rate_i2c, NULL); +DEFINE_CLOCK(fec_clk, 0, CCM_CGCR0, 23, get_rate_ipg, NULL); #define _REGISTER_CLOCK(d, n, c) \ { \ @@ -204,6 +205,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk) _REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk) _REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk) + _REGISTER_CLOCK("fec.0", NULL, fec_clk) }; int __init mx25_clocks_init(unsigned long fref) diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c index 63511de3a559..9fdeea1c083b 100644 --- a/arch/arm/mach-mx25/devices.c +++ b/arch/arm/mach-mx25/devices.c @@ -419,3 +419,22 @@ int __init mxc_register_gpios(void) return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports)); } +static struct resource mx25_fec_resources[] = { + { + .start = MX25_FEC_BASE_ADDR, + .end = MX25_FEC_BASE_ADDR + 0xfff, + .flags = IORESOURCE_MEM, + }, + { + .start = MX25_INT_FEC, + .end = MX25_INT_FEC, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device mx25_fec_device = { + .name = "fec", + .id = 0, + .num_resources = ARRAY_SIZE(mx25_fec_resources), + .resource = mx25_fec_resources, +}; diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h index fe6bf88ad1dd..fe5420fcd11f 100644 --- a/arch/arm/mach-mx25/devices.h +++ b/arch/arm/mach-mx25/devices.h @@ -17,3 +17,4 @@ extern struct platform_device mxc_keypad_device; extern struct platform_device mxc_i2c_device0; extern struct platform_device mxc_i2c_device1; extern struct platform_device mxc_i2c_device2; +extern struct platform_device mx25_fec_device; diff --git a/arch/arm/mach-mx25/mx25pdk.c b/arch/arm/mach-mx25/mx25pdk.c index d23ae571c03f..921bc99ea231 100644 --- a/arch/arm/mach-mx25/mx25pdk.c +++ b/arch/arm/mach-mx25/mx25pdk.c @@ -18,10 +18,11 @@ #include <linux/types.h> #include <linux/init.h> +#include <linux/delay.h> #include <linux/clk.h> #include <linux/irq.h> #include <linux/gpio.h> -#include <linux/smsc911x.h> +#include <linux/fec.h> #include <linux/platform_device.h> #include <mach/hardware.h> @@ -35,16 +36,57 @@ #include <mach/mx25.h> #include <mach/mxc_nand.h> #include "devices.h" -#include <mach/iomux-v3.h> +#include <mach/iomux.h> static struct imxuart_platform_data uart_pdata = { .flags = IMXUART_HAVE_RTSCTS, }; +static struct pad_desc mx25pdk_pads[] = { + MX25_PAD_FEC_MDC__FEC_MDC, + MX25_PAD_FEC_MDIO__FEC_MDIO, + MX25_PAD_FEC_TDATA0__FEC_TDATA0, + MX25_PAD_FEC_TDATA1__FEC_TDATA1, + MX25_PAD_FEC_TX_EN__FEC_TX_EN, + MX25_PAD_FEC_RDATA0__FEC_RDATA0, + MX25_PAD_FEC_RDATA1__FEC_RDATA1, + MX25_PAD_FEC_RX_DV__FEC_RX_DV, + MX25_PAD_FEC_TX_CLK__FEC_TX_CLK, + MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */ + MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */ +}; + +static struct fec_platform_data mx25_fec_pdata = { + .phy = PHY_INTERFACE_MODE_RMII, +}; + +#define FEC_ENABLE_GPIO 35 +#define FEC_RESET_B_GPIO 104 + +static void __init mx25pdk_fec_reset(void) +{ + gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable"); + gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset"); + + gpio_direction_output(FEC_ENABLE_GPIO, 0); /* drop PHY power */ + gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */ + udelay(2); + + /* turn on PHY power and lift reset */ + gpio_set_value(FEC_ENABLE_GPIO, 1); + gpio_set_value(FEC_RESET_B_GPIO, 1); +} + static void __init mx25pdk_init(void) { + mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads, + ARRAY_SIZE(mx25pdk_pads)); + mxc_register_device(&mxc_uart_device0, &uart_pdata); mxc_register_device(&mxc_usbh2, NULL); + + mx25pdk_fec_reset(); + mxc_register_device(&mx25_fec_device, &mx25_fec_pdata); } static void __init mx25pdk_timer_init(void) |