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authorTim Harvey <tharvey@gateworks.com>2016-07-15 07:14:22 -0700
committerStefano Babic <sbabic@denx.de>2016-07-28 13:27:17 +0200
commite49621b357b1ea86170eacd3de8f03af422743e6 (patch)
tree5dd108a23870795e870362583932658ea0e026c3
parent6eab98a02eae688a3d37a2a1806e92e858d08327 (diff)
imx: ventana: make RS232 enable board specific
Not all Ventana boards have an RS232 transceiver, make it board specific. Signed-off-by: Tim Harvey <tharvey@gateworks.com>
-rw-r--r--board/gateworks/gw_ventana/common.c34
-rw-r--r--board/gateworks/gw_ventana/common.h2
2 files changed, 27 insertions, 9 deletions
diff --git a/board/gateworks/gw_ventana/common.c b/board/gateworks/gw_ventana/common.c
index 929dde9880..9546f31acb 100644
--- a/board/gateworks/gw_ventana/common.c
+++ b/board/gateworks/gw_ventana/common.c
@@ -132,14 +132,14 @@ void setup_ventana_i2c(void)
/* common to add baseboards */
static iomux_v3_cfg_t const gw_gpio_pads[] = {
- /* RS232_EN# */
- IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | DIO_PAD_CFG),
/* SD3_VSELECT */
IOMUX_PADS(PAD_NANDF_CS1__GPIO6_IO14 | DIO_PAD_CFG),
};
/* prototype */
static iomux_v3_cfg_t const gwproto_gpio_pads[] = {
+ /* RS232_EN# */
+ IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | DIO_PAD_CFG),
/* PANLEDG# */
IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG),
/* PANLEDR# */
@@ -183,6 +183,8 @@ static iomux_v3_cfg_t const gw51xx_gpio_pads[] = {
};
static iomux_v3_cfg_t const gw52xx_gpio_pads[] = {
+ /* RS232_EN# */
+ IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | DIO_PAD_CFG),
/* MSATA_EN */
IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | DIO_PAD_CFG),
/* PANLEDG# */
@@ -214,6 +216,8 @@ static iomux_v3_cfg_t const gw52xx_gpio_pads[] = {
};
static iomux_v3_cfg_t const gw53xx_gpio_pads[] = {
+ /* RS232_EN# */
+ IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | DIO_PAD_CFG),
/* MSATA_EN */
IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | DIO_PAD_CFG),
/* CAN_STBY */
@@ -245,6 +249,8 @@ static iomux_v3_cfg_t const gw53xx_gpio_pads[] = {
};
static iomux_v3_cfg_t const gw54xx_gpio_pads[] = {
+ /* RS232_EN# */
+ IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | DIO_PAD_CFG),
/* MSATA_EN */
IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | DIO_PAD_CFG),
/* CAN_STBY */
@@ -468,6 +474,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
.usb_sel = IMX_GPIO_NR(1, 2),
.wdis = IMX_GPIO_NR(7, 12),
.msata_en = GP_MSATA_SEL,
+ .rs232_en = GP_RS232_EN,
},
/* GW53xx */
@@ -513,6 +520,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
.vidin_en = IMX_GPIO_NR(3, 31),
.wdis = IMX_GPIO_NR(7, 12),
.msata_en = GP_MSATA_SEL,
+ .rs232_en = GP_RS232_EN,
},
/* GW54xx */
@@ -560,6 +568,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
.pcie_sson = IMX_GPIO_NR(1, 20),
.wdis = IMX_GPIO_NR(5, 17),
.msata_en = GP_MSATA_SEL,
+ .rs232_en = GP_RS232_EN,
},
/* GW551x */
@@ -682,10 +691,6 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info)
gpio_request(GP_USB_OTG_PWR, "usbotg_pwr");
gpio_direction_output(GP_USB_OTG_PWR, 0);
- /* RS232_EN# */
- gpio_request(GP_RS232_EN, "rs232_en");
- gpio_direction_output(GP_RS232_EN, 0);
-
if (board >= GW_UNKNOWN)
return;
@@ -693,6 +698,12 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info)
imx_iomux_v3_setup_multiple_pads(gpio_cfg[board].gpio_pads,
gpio_cfg[board].num_pads);
+ /* RS232_EN# */
+ if (gpio_cfg[board].rs232_en) {
+ gpio_request(gpio_cfg[board].rs232_en, "rs232_en");
+ gpio_direction_output(gpio_cfg[board].rs232_en, 0);
+ }
+
/* GW522x Uses GPIO3_IO23 for PCIE_RST# */
if (board == GW52xx && info->model[4] == '2')
gpio_cfg[board].pcie_rst = IMX_GPIO_NR(3, 23);
@@ -788,7 +799,10 @@ void setup_board_gpio(int board, struct ventana_board_info *info)
return;
/* RS232_EN# */
- gpio_direction_output(GP_RS232_EN, (hwconfig("rs232")) ? 0 : 1);
+ if (gpio_cfg[board].rs232_en) {
+ gpio_direction_output(gpio_cfg[board].rs232_en,
+ (hwconfig("rs232")) ? 0 : 1);
+ }
/* MSATA Enable */
if (gpio_cfg[board].msata_en && is_cpu_type(MXC_CPU_MX6Q)) {
@@ -851,8 +865,10 @@ void setup_board_gpio(int board, struct ventana_board_info *info)
printf("MSATA: %s\n", (hwconfig("msata") ?
"enabled" : "disabled"));
}
- printf("RS232: %s\n", (hwconfig("rs232")) ?
- "enabled" : "disabled");
+ if (gpio_cfg[board].rs232_en) {
+ printf("RS232: %s\n", (hwconfig("rs232")) ?
+ "enabled" : "disabled");
+ }
}
}
diff --git a/board/gateworks/gw_ventana/common.h b/board/gateworks/gw_ventana/common.h
index d037767ecc..389d3aa4ee 100644
--- a/board/gateworks/gw_ventana/common.h
+++ b/board/gateworks/gw_ventana/common.h
@@ -78,6 +78,8 @@ struct ventana {
int usb_sel;
int wdis;
int msata_en;
+ int rs232_en;
+ /* various features */
bool usd_vsel;
};