diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/compulab/cm_fx6/cm_fx6.c | 87 | ||||
| -rw-r--r-- | board/compulab/cm_fx6/common.h | 13 |
2 files changed, 100 insertions, 0 deletions
diff --git a/board/compulab/cm_fx6/cm_fx6.c b/board/compulab/cm_fx6/cm_fx6.c index 1664fe8..fdb8ebf 100644 --- a/board/compulab/cm_fx6/cm_fx6.c +++ b/board/compulab/cm_fx6/cm_fx6.c @@ -13,10 +13,12 @@ #include <miiphy.h> #include <netdev.h> #include <fdt_support.h> +#include <sata.h> #include <asm/arch/crm_regs.h> #include <asm/arch/sys_proto.h> #include <asm/arch/iomux.h> #include <asm/imx-common/mxc_i2c.h> +#include <asm/imx-common/sata.h> #include <asm/io.h> #include <asm/gpio.h> #include "common.h" @@ -24,6 +26,91 @@ DECLARE_GLOBAL_DATA_PTR; +#ifdef CONFIG_DWC_AHSATA +static int cm_fx6_issd_gpios[] = { + /* The order of the GPIOs in the array is important! */ + CM_FX6_SATA_PHY_SLP, + CM_FX6_SATA_NRSTDLY, + CM_FX6_SATA_PWREN, + CM_FX6_SATA_NSTANDBY1, + CM_FX6_SATA_NSTANDBY2, + CM_FX6_SATA_LDO_EN, +}; + +static void cm_fx6_sata_power(int on) +{ + int i; + + if (!on) { /* tell the iSSD that the power will be removed */ + gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 1); + mdelay(10); + } + + for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) { + gpio_direction_output(cm_fx6_issd_gpios[i], on); + udelay(100); + } + + if (!on) /* for compatibility lower the power loss interrupt */ + gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0); +} + +static iomux_v3_cfg_t const sata_pads[] = { + /* SATA PWR */ + IOMUX_PADS(PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_A22__GPIO2_IO16 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D20__GPIO3_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)), + /* SATA CTRL */ + IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D23__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static void cm_fx6_setup_issd(void) +{ + SETUP_IOMUX_PADS(sata_pads); + /* Make sure this gpio has logical 0 value */ + gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0); + udelay(100); + + cm_fx6_sata_power(0); + mdelay(250); + cm_fx6_sata_power(1); +} + +#define CM_FX6_SATA_INIT_RETRIES 10 +int sata_initialize(void) +{ + int err, i; + + cm_fx6_setup_issd(); + for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) { + err = setup_sata(); + if (err) { + printf("SATA setup failed: %d\n", err); + return err; + } + + udelay(100); + + err = __sata_initialize(); + if (!err) + break; + + /* There is no device on the SATA port */ + if (sata_port_status(0, 0) == 0) + break; + + /* There's a device, but link not established. Retry */ + } + + return err; +} +#endif + #ifdef CONFIG_SYS_I2C_MXC #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ diff --git a/board/compulab/cm_fx6/common.h b/board/compulab/cm_fx6/common.h index f841c90..76097f8 100644 --- a/board/compulab/cm_fx6/common.h +++ b/board/compulab/cm_fx6/common.h @@ -19,6 +19,19 @@ #define CM_FX6_ENET_NRST IMX_GPIO_NR(2, 8) #define CM_FX6_USB_HUB_RST IMX_GPIO_NR(7, 8) #define SB_FX6_USB_OTG_PWR IMX_GPIO_NR(3, 22) +#define CM_FX6_ENET_NRST IMX_GPIO_NR(2, 8) +#define CM_FX6_USB_HUB_RST IMX_GPIO_NR(7, 8) +#define SB_FX6_USB_OTG_PWR IMX_GPIO_NR(3, 22) +#define CM_FX6_SATA_PWREN IMX_GPIO_NR(1, 28) +#define CM_FX6_SATA_VDDC_CTRL IMX_GPIO_NR(1, 30) +#define CM_FX6_SATA_LDO_EN IMX_GPIO_NR(2, 16) +#define CM_FX6_SATA_NSTANDBY1 IMX_GPIO_NR(3, 20) +#define CM_FX6_SATA_PHY_SLP IMX_GPIO_NR(3, 23) +#define CM_FX6_SATA_STBY_REQ IMX_GPIO_NR(3, 29) +#define CM_FX6_SATA_NSTANDBY2 IMX_GPIO_NR(5, 2) +#define CM_FX6_SATA_NRSTDLY IMX_GPIO_NR(6, 6) +#define CM_FX6_SATA_PWLOSS_INT IMX_GPIO_NR(6, 31) + void cm_fx6_set_usdhc_iomux(void); void cm_fx6_set_ecspi_iomux(void); |