diff options
Diffstat (limited to 'board/compulab')
| -rw-r--r-- | board/compulab/cm_fx6/Kconfig | 8 | ||||
| -rw-r--r-- | board/compulab/cm_fx6/cm_fx6.c | 183 | ||||
| -rw-r--r-- | board/compulab/cm_t335/Kconfig | 3 | ||||
| -rw-r--r-- | board/compulab/cm_t35/cm_t35.c | 19 |
4 files changed, 142 insertions, 71 deletions
diff --git a/board/compulab/cm_fx6/Kconfig b/board/compulab/cm_fx6/Kconfig index 42a84380f2..508c21f58b 100644 --- a/board/compulab/cm_fx6/Kconfig +++ b/board/compulab/cm_fx6/Kconfig @@ -1,23 +1,15 @@ if TARGET_CM_FX6 -config SYS_CPU - string - default "armv7" - config SYS_BOARD - string default "cm_fx6" config SYS_VENDOR - string default "compulab" config SYS_SOC - string default "mx6" config SYS_CONFIG_NAME - string default "cm_fx6" endif diff --git a/board/compulab/cm_fx6/cm_fx6.c b/board/compulab/cm_fx6/cm_fx6.c index 090f784cd9..0206ae81fc 100644 --- a/board/compulab/cm_fx6/cm_fx6.c +++ b/board/compulab/cm_fx6/cm_fx6.c @@ -9,6 +9,7 @@ */ #include <common.h> +#include <dm.h> #include <fsl_esdhc.h> #include <miiphy.h> #include <netdev.h> @@ -21,6 +22,7 @@ #include <asm/imx-common/sata.h> #include <asm/io.h> #include <asm/gpio.h> +#include <dm/platform_data/serial_mxc.h> #include "common.h" #include "../common/eeprom.h" @@ -69,16 +71,23 @@ static iomux_v3_cfg_t const sata_pads[] = { IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; -static void cm_fx6_setup_issd(void) +static int cm_fx6_setup_issd(void) { + int ret, i; + 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); + for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) { + ret = gpio_request(cm_fx6_issd_gpios[i], "sata"); + if (ret) + return ret; + } + + ret = gpio_request(CM_FX6_SATA_PWLOSS_INT, "sata_pwloss_int"); + if (ret) + return ret; + + return 0; } #define CM_FX6_SATA_INIT_RETRIES 10 @@ -86,7 +95,14 @@ int sata_initialize(void) { int err, i; - cm_fx6_setup_issd(); + /* 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); + for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) { err = setup_sata(); if (err) { @@ -109,6 +125,8 @@ int sata_initialize(void) return err; } +#else +static int cm_fx6_setup_issd(void) { return 0; } #endif #ifdef CONFIG_SYS_I2C_MXC @@ -141,49 +159,68 @@ I2C_PADS(i2c2_pads, IMX_GPIO_NR(1, 6)); -static void cm_fx6_setup_i2c(void) +static int cm_fx6_setup_one_i2c(int busnum, struct i2c_pads_info *pads) +{ + int ret; + + ret = setup_i2c(busnum, CONFIG_SYS_I2C_SPEED, 0x7f, pads); + if (ret) + printf("Warning: I2C%d setup failed: %d\n", busnum, ret); + + return ret; +} + +static int cm_fx6_setup_i2c(void) { - setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, I2C_PADS_INFO(i2c0_pads)); - setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, I2C_PADS_INFO(i2c1_pads)); - setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, I2C_PADS_INFO(i2c2_pads)); + int ret = 0, err; + + /* i2c<x>_pads are wierd macro variables; we can't use an array */ + err = cm_fx6_setup_one_i2c(0, I2C_PADS_INFO(i2c0_pads)); + if (err) + ret = err; + err = cm_fx6_setup_one_i2c(1, I2C_PADS_INFO(i2c1_pads)); + if (err) + ret = err; + err = cm_fx6_setup_one_i2c(2, I2C_PADS_INFO(i2c2_pads)); + if (err) + ret = err; + + return ret; } #else -static void cm_fx6_setup_i2c(void) { } +static int cm_fx6_setup_i2c(void) { return 0; } #endif #ifdef CONFIG_USB_EHCI_MX6 #define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ PAD_CTL_HYS | PAD_CTL_SRE_SLOW) +#define MX6_USBNC_BASEADDR 0x2184800 +#define USBNC_USB_H1_PWR_POL (1 << 9) -static int cm_fx6_usb_hub_reset(void) +static int cm_fx6_setup_usb_host(void) { int err; err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst"); - if (err) { - printf("USB hub rst gpio request failed: %d\n", err); - return -1; - } + if (err) + return err; + SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)); SETUP_IOMUX_PAD(PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL)); - gpio_direction_output(CM_FX6_USB_HUB_RST, 0); - udelay(10); - gpio_direction_output(CM_FX6_USB_HUB_RST, 1); - mdelay(1); return 0; } -static int cm_fx6_init_usb_otg(void) +static int cm_fx6_setup_usb_otg(void) { - int ret; + int err; struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; - ret = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr"); - if (ret) { - printf("USB OTG pwr gpio request failed: %d\n", ret); - return ret; + err = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr"); + if (err) { + printf("USB OTG pwr gpio request failed: %d\n", err); + return err; } SETUP_IOMUX_PAD(PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL)); @@ -194,25 +231,27 @@ static int cm_fx6_init_usb_otg(void) return gpio_direction_output(SB_FX6_USB_OTG_PWR, 0); } -#define MX6_USBNC_BASEADDR 0x2184800 -#define USBNC_USB_H1_PWR_POL (1 << 9) int board_ehci_hcd_init(int port) { + int ret; u32 *usbnc_usb_uh1_ctrl = (u32 *)(MX6_USBNC_BASEADDR + 4); - switch (port) { - case 0: - return cm_fx6_init_usb_otg(); - case 1: - SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR | - MUX_PAD_CTRL(NO_PAD_CTRL)); + /* Only 1 host controller in use. port 0 is OTG & needs no attention */ + if (port != 1) + return 0; - /* Set PWR polarity to match power switch's enable polarity */ - setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL); - return cm_fx6_usb_hub_reset(); - default: - break; - } + /* Set PWR polarity to match power switch's enable polarity */ + setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL); + ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 0); + if (ret) + return ret; + + udelay(10); + ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 1); + if (ret) + return ret; + + mdelay(1); return 0; } @@ -224,6 +263,9 @@ int board_ehci_power(int port, int on) return 0; } +#else +static int cm_fx6_setup_usb_otg(void) { return 0; } +static int cm_fx6_setup_usb_host(void) { return 0; } #endif #ifdef CONFIG_FEC_MXC @@ -318,12 +360,17 @@ static int handle_mac_address(void) int board_eth_init(bd_t *bis) { - int res = handle_mac_address(); - if (res) + int err; + + err = handle_mac_address(); + if (err) puts("No MAC address found\n"); SETUP_IOMUX_PADS(enet_pads); /* phy reset */ + err = gpio_request(CM_FX6_ENET_NRST, "enet_nrst"); + if (err) + printf("Etnernet NRST gpio request failed: %d\n", err); gpio_direction_output(CM_FX6_ENET_NRST, 0); udelay(500); gpio_set_value(CM_FX6_ENET_NRST, 1); @@ -394,6 +441,16 @@ int board_mmc_init(bd_t *bis) } #endif +#ifdef CONFIG_MXC_SPI +int cm_fx6_setup_ecspi(void) +{ + cm_fx6_set_ecspi_iomux(); + return gpio_request(CM_FX6_ECSPI_BUS0_CS0, "ecspi_bus0_cs0"); +} +#else +int cm_fx6_setup_ecspi(void) { return 0; } +#endif + #ifdef CONFIG_OF_BOARD_SETUP void ft_board_setup(void *blob, bd_t *bd) { @@ -409,9 +466,37 @@ void ft_board_setup(void *blob, bd_t *bd) int board_init(void) { + int ret; + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; cm_fx6_setup_gpmi_nand(); - cm_fx6_setup_i2c(); + + ret = cm_fx6_setup_ecspi(); + if (ret) + printf("Warning: ECSPI setup failed: %d\n", ret); + + ret = cm_fx6_setup_usb_otg(); + if (ret) + printf("Warning: USB OTG setup failed: %d\n", ret); + + ret = cm_fx6_setup_usb_host(); + if (ret) + printf("Warning: USB host setup failed: %d\n", ret); + + /* + * cm-fx6 may have iSSD not assembled and in this case it has + * bypasses for a (m)SATA socket on the baseboard. The socketed + * device is not controlled by those GPIOs. So just print a warning + * if the setup fails. + */ + ret = cm_fx6_setup_issd(); + if (ret) + printf("Warning: iSSD setup failed: %d\n", ret); + + /* Warn on failure but do not abort boot */ + ret = cm_fx6_setup_i2c(); + if (ret) + printf("Warning: I2C setup failed: %d\n", ret); return 0; } @@ -481,3 +566,11 @@ u32 get_board_rev(void) return cl_eeprom_get_board_rev(); } +static struct mxc_serial_platdata cm_fx6_mxc_serial_plat = { + .reg = (struct mxc_uart *)UART4_BASE, +}; + +U_BOOT_DEVICE(cm_fx6_serial) = { + .name = "serial_mxc", + .platdata = &cm_fx6_mxc_serial_plat, +}; diff --git a/board/compulab/cm_t335/Kconfig b/board/compulab/cm_t335/Kconfig index 61159765ab..683efde764 100644 --- a/board/compulab/cm_t335/Kconfig +++ b/board/compulab/cm_t335/Kconfig @@ -1,8 +1,5 @@ if TARGET_CM_T335 -config SYS_CPU - default "armv7" - config SYS_BOARD default "cm_t335" diff --git a/board/compulab/cm_t35/cm_t35.c b/board/compulab/cm_t35/cm_t35.c index 0944903ec8..d0b0930f42 100644 --- a/board/compulab/cm_t35/cm_t35.c +++ b/board/compulab/cm_t35/cm_t35.c @@ -53,16 +53,6 @@ static u32 gpmc_net_config[GPMC_MAX_REG] = { 0 }; -static u32 gpmc_nand_config[GPMC_MAX_REG] = { - M_NAND_GPMC_CONFIG1, - M_NAND_GPMC_CONFIG2, - M_NAND_GPMC_CONFIG3, - M_NAND_GPMC_CONFIG4, - M_NAND_GPMC_CONFIG5, - M_NAND_GPMC_CONFIG6, - 0, -}; - #ifdef CONFIG_LCD #ifdef CONFIG_CMD_NAND static int splash_load_from_nand(u32 bmp_load_addr) @@ -148,9 +138,6 @@ int board_init(void) { gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ - enable_gpmc_cs_config(gpmc_nand_config, &gpmc_cfg->cs[0], - CONFIG_SYS_NAND_BASE, GPMC_SIZE_16M); - /* board id for Linux */ if (get_cpu_family() == CPU_OMAP34XX) gd->bd->bi_arch_number = MACH_TYPE_CM_T35; @@ -381,7 +368,7 @@ static void cm_t3x_set_common_muxconf(void) MUX_VAL(CP(SYS_OFF_MODE), (IEN | PTD | DIS | M0)); /*OFF_MODE*/ MUX_VAL(CP(SYS_CLKOUT1), (IEN | PTD | DIS | M0)); /*CLKOUT1*/ MUX_VAL(CP(SYS_CLKOUT2), (IDIS | PTU | DIS | M4)); /*green LED*/ - MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)); /*JTAG_nTRST*/ + MUX_VAL(CP(JTAG_NTRST), (IEN | PTD | DIS | M0)); /*JTAG_NTRST*/ MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)); /*JTAG_TCK*/ MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)); /*JTAG_TMS*/ MUX_VAL(CP(JTAG_TDI), (IEN | PTD | DIS | M0)); /*JTAG_TDI*/ @@ -457,6 +444,8 @@ void set_muxconf_regs(void) } #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) +#define SB_T35_WP_GPIO 59 + int board_mmc_getcd(struct mmc *mmc) { u8 val; @@ -469,7 +458,7 @@ int board_mmc_getcd(struct mmc *mmc) int board_mmc_init(bd_t *bis) { - return omap_mmc_init(0, 0, 0, -1, 59); + return omap_mmc_init(0, 0, 0, -1, SB_T35_WP_GPIO); } #endif |
