diff options
| author | Robby Cai <R63905@freescale.com> | 2011-03-31 16:38:57 +0800 |
|---|---|---|
| committer | Robby Cai <R63905@freescale.com> | 2011-03-31 17:31:17 +0800 |
| commit | 76180b6276e4ee8bbf6714a868c84d053f35eda6 (patch) | |
| tree | 0f9c462bf1a8b4026366e1f5e9e974acadb73f29 | |
| parent | 0f165488b255c8243284e1fbf6ebd74f2795dd0a (diff) | |
| download | u-boot-imx-76180b6276e4ee8bbf6714a868c84d053f35eda6.zip u-boot-imx-76180b6276e4ee8bbf6714a868c84d053f35eda6.tar.gz u-boot-imx-76180b6276e4ee8bbf6714a868c84d053f35eda6.tar.bz2 | |
ENGR00141410 MX50 RD3: Set GPIO4_16 to Enable DCDC_3V15
This is needed for FEC to work properly, since FEC3V15 is supplied by DCDC_3V15.
In addition, corrected the pin name for FEC_EN.
Signed-off-by: Robby Cai <R63905@freescale.com>
| -rw-r--r-- | board/freescale/mx50_rdp/mx50_rdp.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/board/freescale/mx50_rdp/mx50_rdp.c b/board/freescale/mx50_rdp/mx50_rdp.c index 9d90fd3..340157f 100644 --- a/board/freescale/mx50_rdp/mx50_rdp.c +++ b/board/freescale/mx50_rdp/mx50_rdp.c @@ -643,8 +643,8 @@ static void setup_fec(void) writel(reg, GPIO6_BASE_ADDR + 0x4); #elif defined(CONFIG_MX50_RD3) - /* FEC_EN: gpio4-15 set to 0 to enable FEC */ - mxc_request_iomux(MX50_PIN_I2C3_SDA, IOMUX_CONFIG_ALT1); + /* FEC_EN: gpio4-15 set to 1 to enable FEC */ + mxc_request_iomux(MX50_PIN_ECSPI1_SS0, IOMUX_CONFIG_ALT1); reg = readl(GPIO4_BASE_ADDR + 0x0); reg |= (1 << 15); @@ -653,6 +653,16 @@ static void setup_fec(void) reg = readl(GPIO4_BASE_ADDR + 0x4); reg |= (1 << 15); writel(reg, GPIO4_BASE_ADDR + 0x4); + + /* DCDC_PWREN(GP4_16) set to 0 to enable DCDC_3V15 */ + mxc_request_iomux(MX50_PIN_ECSPI2_SCLK, IOMUX_CONFIG_ALT1); + reg = readl(GPIO4_BASE_ADDR + 0x0); + reg &= ~(1 << 16); + writel(reg, GPIO4_BASE_ADDR + 0x0); + + reg = readl(GPIO4_BASE_ADDR + 0x4); + reg |= (1 << 16); + writel(reg, GPIO4_BASE_ADDR + 0x4); #endif /*FEC_MDIO*/ |