From 75f21e3131e33b36c05b7ef1680fec2fc0d3b357 Mon Sep 17 00:00:00 2001 From: Tim Harvey Date: Wed, 8 Apr 2015 12:54:45 -0700 Subject: [PATCH] imx: ventana: Add support for GW551x The GW551x is a small form factor board based on the IMX6 SoC that includes: * up to 512MB DDR3 memory * up to 2GB NAND flash * 1x miniPCIe socket (with USB) * HDMI out (micro-HDMI) * HDMI in (micro-HDMI) * TTL level I/O (supported by GW16111 breakout board): * I2C * 2x UART * CAN * 2x DIO (GPIO/PWM) * USB OTG Signed-off-by: Tim Harvey --- board/gateworks/gw_ventana/eeprom.c | 10 +++- board/gateworks/gw_ventana/gw_ventana.c | 62 ++++++++++++++++++--- board/gateworks/gw_ventana/gw_ventana_spl.c | 60 +++++++++++++++++++- board/gateworks/gw_ventana/ventana_eeprom.h | 1 + 4 files changed, 121 insertions(+), 12 deletions(-) diff --git a/board/gateworks/gw_ventana/eeprom.c b/board/gateworks/gw_ventana/eeprom.c index ab3bab847a..ba159696b4 100644 --- a/board/gateworks/gw_ventana/eeprom.c +++ b/board/gateworks/gw_ventana/eeprom.c @@ -81,8 +81,14 @@ read_eeprom(int bus, struct ventana_board_info *info) type = GW54xx; break; case '5': - type = GW552x; - break; + if (info->model[4] == '1') { + type = GW551x; + break; + } else if (info->model[4] == '2') { + type = GW552x; + break; + } + /* fall through */ default: printf("EEPROM: Unknown model in EEPROM: %s\n", info->model); type = GW_UNKNOWN; diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c index 9ea24f43f7..16f3e90534 100644 --- a/board/gateworks/gw_ventana/gw_ventana.c +++ b/board/gateworks/gw_ventana/gw_ventana.c @@ -400,7 +400,7 @@ int board_eth_init(bd_t *bis) setup_iomux_enet(); #ifdef CONFIG_FEC_MXC - if (board_type != GW552x) + if (board_type != GW551x && board_type != GW552x) cpu_eth_init(bis); #endif @@ -679,6 +679,15 @@ static iomux_v3_cfg_t const gw54xx_gpio_pads[] = { IOMUX_PADS(PAD_DISP0_DAT23__GPIO5_IO17 | DIO_PAD_CFG), }; +static iomux_v3_cfg_t const gw551x_gpio_pads[] = { + /* PANLED# */ + IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG), + /* PCI_RST# */ + IOMUX_PADS(PAD_GPIO_0__GPIO1_IO00 | DIO_PAD_CFG), + /* PCIESKT_WDIS# */ + IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG), +}; + static iomux_v3_cfg_t const gw552x_gpio_pads[] = { /* PANLEDG# */ IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG), @@ -720,6 +729,7 @@ struct ventana { int num_pads; /* DIO pinmux/val */ struct dio_cfg dio_cfg[4]; + int num_gpios; /* various gpios (0 if non-existent) */ int leds[3]; int pcie_rst; @@ -765,6 +775,7 @@ static struct ventana gpio_cfg[] = { 4 }, }, + .num_gpios = 4, .leds = { IMX_GPIO_NR(4, 6), IMX_GPIO_NR(4, 10), @@ -808,6 +819,7 @@ static struct ventana gpio_cfg[] = { 4 }, }, + .num_gpios = 4, .leds = { IMX_GPIO_NR(4, 6), IMX_GPIO_NR(4, 10), @@ -850,6 +862,7 @@ static struct ventana gpio_cfg[] = { 0 }, }, + .num_gpios = 4, .leds = { IMX_GPIO_NR(4, 6), IMX_GPIO_NR(4, 7), @@ -894,6 +907,7 @@ static struct ventana gpio_cfg[] = { 0 }, }, + .num_gpios = 4, .leds = { IMX_GPIO_NR(4, 6), IMX_GPIO_NR(4, 7), @@ -937,6 +951,7 @@ static struct ventana gpio_cfg[] = { 4 }, }, + .num_gpios = 4, .leds = { IMX_GPIO_NR(4, 6), IMX_GPIO_NR(4, 7), @@ -952,10 +967,10 @@ static struct ventana gpio_cfg[] = { .wdis = IMX_GPIO_NR(5, 17), }, - /* GW552x */ + /* GW551x */ { - .gpio_pads = gw552x_gpio_pads, - .num_pads = ARRAY_SIZE(gw552x_gpio_pads)/2, + .gpio_pads = gw551x_gpio_pads, + .num_pads = ARRAY_SIZE(gw551x_gpio_pads)/2, .dio_cfg = { { { IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) }, @@ -976,12 +991,39 @@ static struct ventana gpio_cfg[] = { 3 }, { - { IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20) }, - IMX_GPIO_NR(2, 10), - { 0, 0 }, - 0 + { IOMUX_PADS(PAD_SD1_CMD__GPIO1_IO18) }, + IMX_GPIO_NR(1, 18), + { IOMUX_PADS(PAD_SD1_CMD__PWM4_OUT) }, + 4 + }, + }, + .num_gpios = 2, + .leds = { + IMX_GPIO_NR(4, 7), + }, + .pcie_rst = IMX_GPIO_NR(1, 0), + .wdis = IMX_GPIO_NR(7, 12), + }, + + /* GW552x */ + { + .gpio_pads = gw552x_gpio_pads, + .num_pads = ARRAY_SIZE(gw552x_gpio_pads)/2, + .dio_cfg = { + { + { IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) }, + IMX_GPIO_NR(1, 19), + { IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) }, + 2 + }, + { + { IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) }, + IMX_GPIO_NR(1, 17), + { IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) }, + 3 }, }, + .num_gpios = 4, .leds = { IMX_GPIO_NR(4, 6), IMX_GPIO_NR(4, 7), @@ -1138,6 +1180,8 @@ static void setup_board_gpio(int board) iomux_v3_cfg_t ctrl = DIO_PAD_CFG; unsigned cputype = is_cpu_type(MXC_CPU_MX6Q) ? 0 : 1; + if (!cfg->gpio_padmux[0] && !cfg->gpio_padmux[1]) + continue; sprintf(arg, "dio%d", i); if (!hwconfig(arg)) continue; @@ -1430,7 +1474,7 @@ int misc_init_r(void) sprintf(fdt, "%s-%s.dtb", cputype, str); setenv("fdt_file1", fdt); } - if (board_type != GW552x) + if (board_type != GW551x && board_type != GW552x) str[4] = 'x'; str[5] = 'x'; str[6] = 0; diff --git a/board/gateworks/gw_ventana/gw_ventana_spl.c b/board/gateworks/gw_ventana/gw_ventana_spl.c index 97fd346ebf..668e1122e8 100644 --- a/board/gateworks/gw_ventana/gw_ventana_spl.c +++ b/board/gateworks/gw_ventana/gw_ventana_spl.c @@ -220,6 +220,50 @@ static struct mx6_ddr3_cfg mt41k256m16ha_125 = { * calibration - these are the various CPU/DDR3 combinations we support */ +static struct mx6_mmdc_calibration mx6dq_128x16_mmdc_calib = { + /* write leveling calibration determine */ + .p0_mpwldectrl0 = 0x00190017, + /* Read DQS Gating calibration */ + .p0_mpdgctrl0 = 0x43380347, + /* Read Calibration: DQS delay relative to DQ read access */ + .p0_mprddlctl = 0x3C313539, + /* Write Calibration: DQ/DM delay relative to DQS write access */ + .p0_mpwrdlctl = 0x36393C39, +}; + +static struct mx6_mmdc_calibration mx6dq_256x16_mmdc_calib = { + /* write leveling calibration determine */ + .p0_mpwldectrl0 = 0x00190017, + /* Read DQS Gating calibration */ + .p0_mpdgctrl0 = 0x43380347, + /* Read Calibration: DQS delay relative to DQ read access */ + .p0_mprddlctl = 0x3C313539, + /* Write Calibration: DQ/DM delay relative to DQS write access */ + .p0_mpwrdlctl = 0x36393C39, +}; + +static struct mx6_mmdc_calibration mx6sdl_128x16_mmdc_calib = { + /* write leveling calibration determine */ + .p0_mpwldectrl0 = 0x00190017, + /* Read DQS Gating calibration */ + .p0_mpdgctrl0 = 0x43380347, + /* Read Calibration: DQS delay relative to DQ read access */ + .p0_mprddlctl = 0x3C313539, + /* Write Calibration: DQ/DM delay relative to DQS write access */ + .p0_mpwrdlctl = 0x36393C39, +}; + +static struct mx6_mmdc_calibration mx6sdl_256x16_mmdc_calib = { + /* write leveling calibration determine */ + .p0_mpwldectrl0 = 0x00190017, + /* Read DQS Gating calibration */ + .p0_mpdgctrl0 = 0x43380347, + /* Read Calibration: DQS delay relative to DQ read access */ + .p0_mprddlctl = 0x3C313539, + /* Write Calibration: DQ/DM delay relative to DQS write access */ + .p0_mpwrdlctl = 0x36393C39, +}; + static struct mx6_mmdc_calibration mx6dq_128x32_mmdc_calib = { /* write leveling calibration determine */ .p0_mpwldectrl0 = 0x00190017, @@ -363,7 +407,21 @@ static void spl_dram_init(int width, int size_mb, int board_model) * mx6_ddr_sysinfo - board-specific memory architecture (width/cs/etc) * mx6_ddr_cfg - chip specific timing/layout details */ - if (width == 32 && size_mb == 512) { + if (width == 16 && size_mb == 256) { + mem = &mt41k128m16jt_125; + if (is_cpu_type(MXC_CPU_MX6Q)) + calib = &mx6dq_128x16_mmdc_calib; + else + calib = &mx6sdl_128x16_mmdc_calib; + debug("2gB density\n"); + } else if (width == 16 && size_mb == 512) { + mem = &mt41k256m16ha_125; + if (is_cpu_type(MXC_CPU_MX6Q)) + calib = &mx6dq_256x16_mmdc_calib; + else + calib = &mx6sdl_256x16_mmdc_calib; + debug("4gB density\n"); + } else if (width == 32 && size_mb == 512) { mem = &mt41k128m16jt_125; if (is_cpu_type(MXC_CPU_MX6Q)) calib = &mx6dq_128x32_mmdc_calib; diff --git a/board/gateworks/gw_ventana/ventana_eeprom.h b/board/gateworks/gw_ventana/ventana_eeprom.h index af12711ac2..daff375e40 100644 --- a/board/gateworks/gw_ventana/ventana_eeprom.h +++ b/board/gateworks/gw_ventana/ventana_eeprom.h @@ -109,6 +109,7 @@ enum { GW52xx, GW53xx, GW54xx, + GW551x, GW552x, GW_UNKNOWN, GW_BADCRC, -- 2.34.1