[V8 PATCH 5/5] MX53 Enable the AHCI SATA on MX53 SMD board
Richard Zhu
richard.zhu at linaro.org
Thu Sep 22 06:14:48 EDT 2011
Signed-off-by: Richard Zhu <richard.zhu at linaro.org>
---
arch/arm/mach-mx5/board-mx53_smd.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c
index bc02894..9d06fbe 100644
--- a/arch/arm/mach-mx5/board-mx53_smd.c
+++ b/arch/arm/mach-mx5/board-mx53_smd.c
@@ -35,6 +35,7 @@
#include "devices-imx53.h"
#define SMD_FEC_PHY_RST IMX_GPIO_NR(7, 6)
+#define MX53_SMD_SATA_PWR_EN IMX_GPIO_NR(3, 3)
static iomux_v3_cfg_t mx53_smd_pads[] = {
MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
@@ -111,6 +112,19 @@ static const struct imxi2c_platform_data mx53_smd_i2c_data __initconst = {
.bitrate = 100000,
};
+static inline void mx53_smd_ahci_pwr_on(void)
+{
+ int ret;
+
+ /* Enable SATA PWR */
+ ret = gpio_request(MX53_SMD_SATA_PWR_EN, "ahci-sata-pwr");
+ if (ret) {
+ printk(KERN_ERR "failed to get SATA_PWR_EN: %d\n", ret);
+ return;
+ }
+ gpio_direction_output(MX53_SMD_SATA_PWR_EN, 1);
+}
+
static void __init mx53_smd_board_init(void)
{
imx53_soc_init();
@@ -125,6 +139,8 @@ static void __init mx53_smd_board_init(void)
imx53_add_sdhci_esdhc_imx(0, NULL);
imx53_add_sdhci_esdhc_imx(1, NULL);
imx53_add_sdhci_esdhc_imx(2, NULL);
+ mx53_smd_ahci_pwr_on();
+ imx53_add_ahci_imx();
}
static void __init mx53_smd_timer_init(void)
--
1.7.1
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