[U-Boot] [PATCH 12/14] imx: ventana: add GW560x support
Tim Harvey
tharvey at gateworks.com
Mon Mar 13 15:51:12 UTC 2017
Signed-off-by: Tim Harvey <tharvey at gateworks.com>
---
board/gateworks/gw_ventana/common.c | 181 ++++++++++++++++++++++++----
board/gateworks/gw_ventana/eeprom.c | 4 +
board/gateworks/gw_ventana/gsc.c | 4 +
board/gateworks/gw_ventana/gw_ventana.c | 4 +-
board/gateworks/gw_ventana/ventana_eeprom.h | 1 +
include/configs/gw_ventana.h | 1 -
6 files changed, 167 insertions(+), 28 deletions(-)
diff --git a/board/gateworks/gw_ventana/common.c b/board/gateworks/gw_ventana/common.c
index f7e93e2..69dc8fc 100644
--- a/board/gateworks/gw_ventana/common.c
+++ b/board/gateworks/gw_ventana/common.c
@@ -51,6 +51,20 @@ static iomux_v3_cfg_t const gw5904_emmc_pads[] = {
IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
};
+/* 8-bit eMMC on SD2/NAND */
+static iomux_v3_cfg_t const gw560x_emmc_sd2_pads[] = {
+ IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+};
+
static iomux_v3_cfg_t const usdhc3_pads[] = {
IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
@@ -365,6 +379,39 @@ static iomux_v3_cfg_t const gw553x_gpio_pads[] = {
IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG),
};
+static iomux_v3_cfg_t const gw560x_gpio_pads[] = {
+ /* RS232_EN# */
+ IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | DIO_PAD_CFG),
+ /* CAN_STBY */
+ IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02 | DIO_PAD_CFG),
+ /* USB_HUBRST# */
+ IOMUX_PADS(PAD_GPIO_9__GPIO1_IO09 | DIO_PAD_CFG),
+ /* PANLEDG# */
+ IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG),
+ /* PANLEDR# */
+ IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG),
+ /* MX6_LOCLED# */
+ IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | DIO_PAD_CFG),
+ /* IOEXP_PWREN# */
+ IOMUX_PADS(PAD_EIM_A19__GPIO2_IO19 | DIO_PAD_CFG),
+ /* IOEXP_IRQ# */
+ IOMUX_PADS(PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(IRQ_PAD_CTRL)),
+ /* DIOI2C_DIS# */
+ IOMUX_PADS(PAD_GPIO_19__GPIO4_IO05 | DIO_PAD_CFG),
+ /* VID_EN */
+ IOMUX_PADS(PAD_EIM_D31__GPIO3_IO31 | DIO_PAD_CFG),
+ /* PCI_RST# */
+ IOMUX_PADS(PAD_DISP0_DAT10__GPIO4_IO31 | DIO_PAD_CFG),
+ /* RS485_EN */
+ IOMUX_PADS(PAD_SD3_DAT4__GPIO7_IO01 | DIO_PAD_CFG),
+ /* PCIESKT_WDIS# */
+ IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG),
+ /* USBH2_PEN (OTG) */
+ IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | DIO_PAD_CFG),
+ /* 12V0_PWR_EN */
+ IOMUX_PADS(PAD_DISP0_DAT5__GPIO4_IO26 | DIO_PAD_CFG),
+};
+
static iomux_v3_cfg_t const gw5904_gpio_pads[] = {
/* USB_HUBRST# */
IOMUX_PADS(PAD_GPIO_9__GPIO1_IO09 | DIO_PAD_CFG),
@@ -614,6 +661,33 @@ struct dio_cfg gw553x_dio[] = {
},
};
+struct dio_cfg gw560x_dio[] = {
+ {
+ { IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) },
+ IMX_GPIO_NR(1, 16),
+ { 0, 0 },
+ 0
+ },
+ {
+ { 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
+ },
+ {
+ {IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20) },
+ IMX_GPIO_NR(1, 20),
+ { 0, 0 },
+ 0
+ },
+};
+
struct dio_cfg gw5904_dio[] = {
{
{ IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) },
@@ -856,6 +930,27 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
.mmc_cd = IMX_GPIO_NR(7, 0),
},
+ /* GW560x */
+ {
+ .gpio_pads = gw560x_gpio_pads,
+ .num_pads = ARRAY_SIZE(gw560x_gpio_pads)/2,
+ .dio_cfg = gw560x_dio,
+ .dio_num = ARRAY_SIZE(gw560x_dio),
+ .leds = {
+ IMX_GPIO_NR(4, 6),
+ IMX_GPIO_NR(4, 7),
+ IMX_GPIO_NR(4, 15),
+ },
+ .pcie_rst = IMX_GPIO_NR(4, 31),
+ .mezz_pwren = IMX_GPIO_NR(2, 19),
+ .mezz_irq = IMX_GPIO_NR(2, 18),
+ .rs232_en = GP_RS232_EN,
+ .vidin_en = IMX_GPIO_NR(3, 31),
+ .wdis = IMX_GPIO_NR(7, 12),
+ .otgpwr_en = IMX_GPIO_NR(4, 15),
+ .mmc_cd = IMX_GPIO_NR(7, 0),
+ },
+
/* GW5904 */
{
.gpio_pads = gw5904_gpio_pads,
@@ -982,6 +1077,10 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info)
/* Anything else board specific */
switch(board) {
+ case GW560x:
+ gpio_request(IMX_GPIO_NR(4, 26), "12p0_en");
+ gpio_direction_output(IMX_GPIO_NR(4, 26), 1);
+ break;
case GW5904:
gpio_request(IMX_GPIO_NR(5, 11), "skt1_wdis#");
gpio_direction_output(IMX_GPIO_NR(5, 11), 1);
@@ -1089,6 +1188,8 @@ void setup_board_gpio(int board, struct ventana_board_info *info)
void setup_pmic(void)
{
struct pmic *p;
+ struct ventana_board_info ventana_info;
+ int board = read_eeprom(CONFIG_I2C_GSC, &ventana_info);
u32 reg;
i2c_set_bus_num(CONFIG_I2C_PMIC);
@@ -1121,23 +1222,27 @@ void setup_pmic(void)
debug("probed LTC3676 at 0x%x\n", CONFIG_POWER_LTC3676_I2C_ADDR);
power_ltc3676_init(CONFIG_I2C_PMIC);
p = pmic_get("LTC3676_PMIC");
- if (p && !pmic_probe(p)) {
- puts("PMIC: LTC3676\n");
- /*
- * set board-specific scalar for max CPU frequency
- * per CPU based on the LDO enabled Operating Ranges
- * defined in the respective IMX6DQ and IMX6SDL
- * datasheets. The voltage resulting from the R1/R2
- * feedback inputs on Ventana is 1308mV. Note that this
- * is a bit shy of the Vmin of 1350mV in the datasheet
- * for LDO enabled mode but is as high as we can go.
- *
- * We will rely on an OS kernel driver to properly
- * regulate these per CPU operating point and use LDO
- * bypass mode when using the higher frequency
- * operating points to compensate as LDO bypass mode
- * allows the rails be 125mV lower.
- */
+ if (!p || pmic_probe(p))
+ return;
+ puts("PMIC: LTC3676\n");
+ /*
+ * set board-specific scalar for max CPU frequency
+ * per CPU based on the LDO enabled Operating Ranges
+ * defined in the respective IMX6DQ and IMX6SDL
+ * datasheets. The voltage resulting from the R1/R2
+ * feedback inputs on Ventana is 1308mV. Note that this
+ * is a bit shy of the Vmin of 1350mV in the datasheet
+ * for LDO enabled mode but is as high as we can go.
+ */
+ switch (board) {
+ case GW560x:
+ /* mask PGOOD during SW3 transition */
+ pmic_reg_write(p, LTC3676_DVB3B,
+ 0x1f | LTC3676_PGOOD_MASK);
+ /* set SW3 (VDD_ARM) */
+ pmic_reg_write(p, LTC3676_DVB3A, 0x1f);
+ break;
+ default:
/* mask PGOOD during SW1 transition */
pmic_reg_write(p, LTC3676_DVB1B,
0x1f | LTC3676_PGOOD_MASK);
@@ -1154,7 +1259,7 @@ void setup_pmic(void)
}
#ifdef CONFIG_FSL_ESDHC
-static struct fsl_esdhc_cfg usdhc_cfg = { USDHC3_BASE_ADDR };
+static struct fsl_esdhc_cfg usdhc_cfg[2];
int board_mmc_init(bd_t *bis)
{
@@ -1168,17 +1273,36 @@ int board_mmc_init(bd_t *bis)
case GW54xx:
case GW553x:
SETUP_IOMUX_PADS(usdhc3_pads);
- usdhc_cfg.esdhc_base = USDHC3_BASE_ADDR;
- usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
- usdhc_cfg.max_bus_width = 4;
- return fsl_esdhc_initialize(bis, &usdhc_cfg);
+ usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ usdhc_cfg[0].max_bus_width = 4;
+ return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+ /* GW560x has 0:SD2 (emmc) and 1:SD3 (microSD) */
+ case GW560x:
+ /* usdhc2: 8-bit eMMC */
+ SETUP_IOMUX_PADS(gw560x_emmc_sd2_pads);
+ usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ usdhc_cfg[0].max_bus_width = 8;
+ ret = fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+ if (ret)
+ printf("failed registering emmc usdhc2\n");
+ /* usdhc3: 4-bit microSD */
+ SETUP_IOMUX_PADS(usdhc3_pads);
+ usdhc_cfg[1].esdhc_base = USDHC3_BASE_ADDR;
+ usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ usdhc_cfg[1].max_bus_width = 4;
+ ret = fsl_esdhc_initialize(bis, &usdhc_cfg[1]);
+ if (ret)
+ printf("failed registering microSD usdhc2\n");
+ return 0;
case GW5904:
/* usdhc3: 8bit eMMC */
SETUP_IOMUX_PADS(gw5904_emmc_pads);
- usdhc_cfg.esdhc_base = USDHC3_BASE_ADDR;
- usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
- usdhc_cfg.max_bus_width = 8;
- ret = fsl_esdhc_initialize(bis, &usdhc_cfg);
+ usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ usdhc_cfg[0].max_bus_width = 8;
+ ret = fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
if (ret)
printf("failed registering emmc usdhc3\n");
return 0;
@@ -1197,6 +1321,11 @@ int board_mmc_getcd(struct mmc *mmc)
/* Card Detect */
switch (board) {
+ case GW560x:
+ /* emmc is always present */
+ if (cfg->esdhc_base == USDHC2_BASE_ADDR)
+ return 1;
+ break;
case GW5904:
/* emmc is always present */
if (cfg->esdhc_base == USDHC3_BASE_ADDR)
diff --git a/board/gateworks/gw_ventana/eeprom.c b/board/gateworks/gw_ventana/eeprom.c
index 9a1033a..cfd96b9 100644
--- a/board/gateworks/gw_ventana/eeprom.c
+++ b/board/gateworks/gw_ventana/eeprom.c
@@ -93,6 +93,10 @@ read_eeprom(int bus, struct ventana_board_info *info)
break;
}
break;
+ case '6':
+ if (info->model[4] == '0')
+ type = GW560x;
+ break;
case '9':
if (info->model[4] == '0' && info->model[5] == '4')
type = GW5904;
diff --git a/board/gateworks/gw_ventana/gsc.c b/board/gateworks/gw_ventana/gsc.c
index 613a275..68b1ddb 100644
--- a/board/gateworks/gw_ventana/gsc.c
+++ b/board/gateworks/gw_ventana/gsc.c
@@ -137,6 +137,10 @@ int gsc_info(int verbose)
break;
case '5': /* GW55xx */
break;
+ case '6': /* GW560x */
+ read_hwmon("VDD_IO4", GSC_HWMON_VDD_IO4, 3);
+ read_hwmon("VDD_GPS", GSC_HWMON_VDD_IO3, 3);
+ break;
}
return 0;
}
diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index 0768799..5f25d8d 100644
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -694,6 +694,7 @@ int checkboard(void)
static const struct boot_mode board_boot_modes[] = {
/* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */
{ "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) },
+ { "emmc2", MAKE_CFGVAL(0x60, 0x48, 0x00, 0x00) }, /* GW5600 */
{ NULL, 0 },
};
#endif
@@ -745,7 +746,8 @@ int misc_init_r(void)
setenv("fdt_file1", fdt);
if (board_type != GW551x &&
board_type != GW552x &&
- board_type != GW553x)
+ board_type != GW553x &&
+ board_type != GW560x)
str[4] = 'x';
str[5] = 'x';
str[6] = 0;
diff --git a/board/gateworks/gw_ventana/ventana_eeprom.h b/board/gateworks/gw_ventana/ventana_eeprom.h
index bacaf5a..b6daf9b 100644
--- a/board/gateworks/gw_ventana/ventana_eeprom.h
+++ b/board/gateworks/gw_ventana/ventana_eeprom.h
@@ -112,6 +112,7 @@ enum {
GW551x,
GW552x,
GW553x,
+ GW560x,
GW5904,
GW_UNKNOWN,
GW_BADCRC,
diff --git a/include/configs/gw_ventana.h b/include/configs/gw_ventana.h
index 1606f20..9c08fe3 100644
--- a/include/configs/gw_ventana.h
+++ b/include/configs/gw_ventana.h
@@ -100,7 +100,6 @@
/* MMC Configs */
#define CONFIG_SYS_FSL_ESDHC_ADDR 0
-#define CONFIG_SYS_FSL_USDHC_NUM 1
/* Filesystem support */
#define CONFIG_CMD_UBIFS
--
2.7.4
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