diff options
| author | Dave Gerlach <d-gerlach@ti.com> | 2014-02-10 11:41:49 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-02-21 13:55:40 -0500 |
| commit | cd8341b7eb7bcf630a49538684778d87daef3e61 (patch) | |
| tree | b0a0047ef60d2ba09ac17210034d51846a3d8691 /board/ti/am43xx | |
| parent | 072cefe07d54879816d0f17830f28198af4c2727 (diff) | |
ARM: AM43xx: GP-EVM: Correct GPIO used for VTT regulator control
Schematic indicates GPIO5_7 is to be used for VTT regulator control
rather than GPIO0_21 so modify enable_vtt_regulator to reflect this.
Without this some boards will experience DDR3 corruption and fail to
boot.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[trini: Rework patch against mainline]
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'board/ti/am43xx')
| -rw-r--r-- | board/ti/am43xx/board.c | 16 | ||||
| -rw-r--r-- | board/ti/am43xx/mux.c | 6 |
2 files changed, 11 insertions, 11 deletions
diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c index 4e6846a50a..95fd13751b 100644 --- a/board/ti/am43xx/board.c +++ b/board/ti/am43xx/board.c @@ -346,14 +346,14 @@ static void enable_vtt_regulator(void) u32 temp; /* enable module */ - writel(GPIO_CTRL_ENABLEMODULE, AM33XX_GPIO0_BASE + OMAP_GPIO_CTRL); - - /* enable output for GPIO0_22 */ - writel(GPIO_SETDATAOUT(GPIO_22), - AM33XX_GPIO0_BASE + OMAP_GPIO_SETDATAOUT); - temp = readl(AM33XX_GPIO0_BASE + OMAP_GPIO_OE); - temp = temp & ~(GPIO_OE_ENABLE(GPIO_22)); - writel(temp, AM33XX_GPIO0_BASE + OMAP_GPIO_OE); + writel(GPIO_CTRL_ENABLEMODULE, AM33XX_GPIO5_BASE + OMAP_GPIO_CTRL); + + /* enable output for GPIO5_7 */ + writel(GPIO_SETDATAOUT(7), + AM33XX_GPIO5_BASE + OMAP_GPIO_SETDATAOUT); + temp = readl(AM33XX_GPIO5_BASE + OMAP_GPIO_OE); + temp = temp & ~(GPIO_OE_ENABLE(7)); + writel(temp, AM33XX_GPIO5_BASE + OMAP_GPIO_OE); } void sdram_init(void) diff --git a/board/ti/am43xx/mux.c b/board/ti/am43xx/mux.c index 810b1941db..51f7fd61d5 100644 --- a/board/ti/am43xx/mux.c +++ b/board/ti/am43xx/mux.c @@ -33,8 +33,8 @@ static struct module_pin_mux i2c0_pin_mux[] = { {-1}, }; -static struct module_pin_mux gpio0_22_pin_mux[] = { - {OFFSET(ddr_ba2), (MODE(9) | PULLUP_EN)}, /* GPIO0_22 */ +static struct module_pin_mux gpio5_7_pin_mux[] = { + {OFFSET(spi0_cs0), (MODE(7) | PULLUP_EN)}, /* GPIO5_7 */ {-1}, }; @@ -49,7 +49,7 @@ void enable_board_pin_mux(void) configure_module_pin_mux(i2c0_pin_mux); if (board_is_gpevm()) - configure_module_pin_mux(gpio0_22_pin_mux); + configure_module_pin_mux(gpio5_7_pin_mux); } void enable_i2c0_pin_mux(void) |