diff options
| author | Serah Peterson <speterson@phytec.com> | 2013-06-24 14:09:25 -0700 |
|---|---|---|
| committer | Anthony Felice <tony.felice@timesys.com> | 2013-08-28 18:26:23 -0400 |
| commit | 67df987a2664c54a350591df00ff4dc82b8f5dff (patch) | |
| tree | 1c37b0e06a1882806dfeddc6285d704f24bfcbe3 /arch | |
| parent | f55b7be24bf255c248d2a488f3404f1d908d03a6 (diff) | |
pcm052: fec1: support added for ETH1
Signed-off-by: Serah Peterson <speterson@phytec.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mvf/board-pcm052.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/mach-mvf/board-pcm052.c b/arch/arm/mach-mvf/board-pcm052.c index 50b2eead4eb7..27e737158ae2 100644 --- a/arch/arm/mach-mvf/board-pcm052.c +++ b/arch/arm/mach-mvf/board-pcm052.c @@ -47,6 +47,7 @@ #include <linux/pmic_status.h> #include <linux/ipu.h> #include <linux/mxcfb.h> +#include <linux/phy.h> #include <linux/pwm_backlight.h> #include <linux/leds_pwm.h> #include <linux/fec.h> @@ -87,6 +88,11 @@ #define PCM052_SD1_CD 85 #define PCM052_TS_IRQ 32 +/* FEC1 definitions */ +#define FEC1_BUS_ID "2:01" // SP: BUS_ID for ETH1 +#define KSZ8051_PHY_CTRL2 0x1F // SP: PHY Ctrl2 reg addr +#define KSZ8051_50MHZ_CLK_MODE (1 << 7) // SP: PHY Ctrl2 reg val for 50 MHz clk + #ifdef PCM952_REV0 #undef PCM952_REV0 #endif @@ -274,6 +280,17 @@ static struct switch_platform_data switch_data __initdata = { .phy = PHY_INTERFACE_MODE_RMII, }; +/* SP: Additional configuration is required to setup ETH1 on the phyCORE-Vybrid + * (1) Set to 50 MHz (enable bit 7 in the PHY control 2 register) + - Write: reg - 0x1F; data - (0x1 << 7) +*/ +static int mvf_fec1_phy_fixup(struct phy_device *phydev){ + int regval; + regval = phy_read(phydev, KSZ8051_PHY_CTRL2); + regval |= KSZ8051_50MHZ_CLK_MODE; + phy_write(phydev, KSZ8051_PHY_CTRL2, regval); +} + static int pcm052_spi_cs[] = { 41, }; @@ -412,10 +429,21 @@ static const struct esdhc_platform_data pcm052_sd1_data __initconst = { .wp_gpio = -1, }; +/* SP: Replicate the AM335x solution for phy_fixup + * - make the required changes for FEC1/ETH1 - see 'mvf_fec1_phy_fixup' + */ +static void pcm052_setup(struct memory_accessor *mem_acc, void *context) +{ + phy_register_fixup_for_id(FEC1_BUS_ID, mvf_fec1_phy_fixup); + return; +} + static struct at24_platform_data board_eeprom = { .byte_len = 4096, .page_size = 32, .flags = AT24_FLAG_ADDR16, + .setup = pcm052_setup, // SP: added to replicate the am335x board file + .context = (void *)NULL, // SP: added to replicate the am335x board file }; static struct stmpe_gpio_platform_data pba_gpio_stm_data = { |