[V8 PATCH 5/5] MX53 Enable the AHCI SATA on MX53 SMD board
From: Richard Zhu <hidden>
Date: 2011-09-22 10:14:48
Also in:
linux-arm-kernel
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Signed-off-by: Richard Zhu <redacted> --- 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