[U-Boot] [PATCH v2] arm: mx6: tqma6: Add WRU-IV baseboard for the TQMa6 SoM
Stefan Roese
sr at denx.de
Mon Jul 6 13:36:33 CEST 2015
This patch adds support for the "OHB System AG" baseboard
with is equipped with the TQMa6S SoM.
Signed-off-by: Stefan Roese <sr at denx.de>
Cc: Markus Niebel <Markus.Niebel at tq-group.com>
Cc: Stefano Babic <sbabic at denx.de>
---
v2:
- board_eth_init() simplified as suggested by Markus
- PHY reset GPIO only defined once as suggested by Markus
- All GPIOs are now requested before usage as suggested by Markus
- Used new tqma6 Kconfig IF as suggested by Markus
board/tqc/tqma6/Kconfig | 5 +
board/tqc/tqma6/Makefile | 1 +
board/tqc/tqma6/tqma6_wru4.c | 346 ++++++++++++++++++++++++++++++++++++++
configs/tqma6s_wru4_mmc_defconfig | 12 ++
include/configs/tqma6.h | 2 +
include/configs/tqma6_wru4.h | 71 ++++++++
6 files changed, 437 insertions(+)
create mode 100644 board/tqc/tqma6/tqma6_wru4.c
create mode 100644 configs/tqma6s_wru4_mmc_defconfig
create mode 100644 include/configs/tqma6_wru4.h
diff --git a/board/tqc/tqma6/Kconfig b/board/tqc/tqma6/Kconfig
index b56237d..dbd8787 100644
--- a/board/tqc/tqma6/Kconfig
+++ b/board/tqc/tqma6/Kconfig
@@ -64,6 +64,11 @@ config MBA6
Select the MBa6 starterkit. This features a GigE Phy, USB, SD-Card
etc.
+config WRU4
+ bool "OHB WRU-IV"
+ help
+ Select the OHB Systems AG WRU-IV baseboard.
+
endchoice
config IMX_CONFIG
diff --git a/board/tqc/tqma6/Makefile b/board/tqc/tqma6/Makefile
index 9ee6920..19b56d0 100644
--- a/board/tqc/tqma6/Makefile
+++ b/board/tqc/tqma6/Makefile
@@ -7,3 +7,4 @@
obj-y := tqma6.o
obj-$(CONFIG_MBA6) += tqma6_mba6.o
+obj-$(CONFIG_WRU4) += tqma6_wru4.o
diff --git a/board/tqc/tqma6/tqma6_wru4.c b/board/tqc/tqma6/tqma6_wru4.c
new file mode 100644
index 0000000..4427799
--- /dev/null
+++ b/board/tqc/tqma6/tqma6_wru4.c
@@ -0,0 +1,346 @@
+/*
+ * Copyright (C) 2012 Freescale Semiconductor, Inc.
+ * Author: Fabio Estevam <fabio.estevam at freescale.com>
+ *
+ * Copyright (C) 2013, 2014 TQ Systems (ported SabreSD to TQMa6x)
+ * Author: Markus Niebel <markus.niebel at tq-group.com>
+ *
+ * Copyright (C) 2015 Stefan Roese <sr at denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/errno.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/boot_mode.h>
+#include <asm/imx-common/mxc_i2c.h>
+
+#include <common.h>
+#include <fsl_esdhc.h>
+#include <libfdt.h>
+#include <malloc.h>
+#include <i2c.h>
+#include <micrel.h>
+#include <miiphy.h>
+#include <mmc.h>
+#include <netdev.h>
+
+#include "tqma6_bb.h"
+
+/* UART */
+#define UART4_PAD_CTRL ( \
+ PAD_CTL_HYS | \
+ PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_PUE | \
+ PAD_CTL_PKE | \
+ PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | \
+ PAD_CTL_SRE_SLOW \
+ )
+
+static iomux_v3_cfg_t const uart4_pads[] = {
+ NEW_PAD_CTRL(MX6_PAD_CSI0_DAT17__UART4_CTS_B, UART4_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_CSI0_DAT16__UART4_RTS_B, UART4_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_CSI0_DAT13__UART4_RX_DATA, UART4_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_CSI0_DAT12__UART4_TX_DATA, UART4_PAD_CTRL),
+};
+
+static void setup_iomuxc_uart4(void)
+{
+ imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
+}
+
+/* MMC */
+#define USDHC2_PAD_CTRL ( \
+ PAD_CTL_HYS | \
+ PAD_CTL_PUS_47K_UP | \
+ PAD_CTL_SPEED_LOW | \
+ PAD_CTL_DSE_80ohm | \
+ PAD_CTL_SRE_FAST \
+ )
+
+#define USDHC2_CLK_PAD_CTRL ( \
+ PAD_CTL_HYS | \
+ PAD_CTL_PUS_47K_UP | \
+ PAD_CTL_SPEED_LOW | \
+ PAD_CTL_DSE_40ohm | \
+ PAD_CTL_SRE_FAST \
+ )
+
+static iomux_v3_cfg_t const usdhc2_pads[] = {
+ NEW_PAD_CTRL(MX6_PAD_SD2_CLK__SD2_CLK, USDHC2_CLK_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_SD2_CMD__SD2_CMD, USDHC2_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_SD2_DAT0__SD2_DATA0, USDHC2_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_SD2_DAT1__SD2_DATA1, USDHC2_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_SD2_DAT2__SD2_DATA2, USDHC2_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_SD2_DAT3__SD2_DATA3, USDHC2_PAD_CTRL),
+
+ NEW_PAD_CTRL(MX6_PAD_GPIO_4__GPIO1_IO04, USDHC2_PAD_CTRL), /* CD */
+ NEW_PAD_CTRL(MX6_PAD_GPIO_2__SD2_WP, USDHC2_PAD_CTRL), /* WP */
+};
+
+#define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
+#define USDHC2_WP_GPIO IMX_GPIO_NR(1, 2)
+
+static struct fsl_esdhc_cfg usdhc2_cfg = {
+ .esdhc_base = USDHC2_BASE_ADDR,
+ .max_bus_width = 4,
+};
+
+int tqma6_bb_board_mmc_getcd(struct mmc *mmc)
+{
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret = 0;
+
+ if (cfg->esdhc_base == USDHC2_BASE_ADDR)
+ ret = !gpio_get_value(USDHC2_CD_GPIO);
+
+ return ret;
+}
+
+int tqma6_bb_board_mmc_getwp(struct mmc *mmc)
+{
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret = 0;
+
+ if (cfg->esdhc_base == USDHC2_BASE_ADDR)
+ ret = gpio_get_value(USDHC2_WP_GPIO);
+
+ return ret;
+}
+
+int tqma6_bb_board_mmc_init(bd_t *bis)
+{
+ int ret;
+
+ imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+
+ ret = gpio_request(USDHC2_CD_GPIO, "mmc-cd");
+ if (!ret)
+ gpio_direction_input(USDHC2_CD_GPIO);
+ ret = gpio_request(USDHC2_WP_GPIO, "mmc-wp");
+ if (!ret)
+ gpio_direction_input(USDHC2_WP_GPIO);
+
+ usdhc2_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ if(fsl_esdhc_initialize(bis, &usdhc2_cfg))
+ puts("WARNING: failed to initialize SD\n");
+
+ return 0;
+}
+
+/* Ethernet */
+#define ENET_PAD_CTRL ( \
+ PAD_CTL_HYS | \
+ PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_PUE | \
+ PAD_CTL_PKE | \
+ PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | \
+ PAD_CTL_SRE_SLOW \
+ )
+
+static iomux_v3_cfg_t const enet_pads[] = {
+ NEW_PAD_CTRL(MX6_PAD_ENET_MDC__ENET_MDC, ENET_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_ENET_MDIO__ENET_MDIO, ENET_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_GPIO_16__ENET_REF_CLK, ENET_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_ENET_RXD0__ENET_RX_DATA0, ENET_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_ENET_RXD1__ENET_RX_DATA1, ENET_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_ENET_CRS_DV__ENET_RX_EN, ENET_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_ENET_RX_ER__ENET_RX_ER, ENET_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_ENET_TXD0__ENET_TX_DATA0, ENET_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_ENET_TXD1__ENET_TX_DATA1, ENET_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_ENET_TX_EN__ENET_TX_EN, ENET_PAD_CTRL),
+ NEW_PAD_CTRL(MX6_PAD_GPIO_19__ENET_TX_ER, ENET_PAD_CTRL),
+
+ /* ENET1 reset */
+ NEW_PAD_CTRL(MX6_PAD_GPIO_8__GPIO1_IO08, ENET_PAD_CTRL),
+ /* ENET1 interrupt */
+ NEW_PAD_CTRL(MX6_PAD_GPIO_9__GPIO1_IO09, ENET_PAD_CTRL),
+};
+
+#define ENET_PHY_RESET_GPIO IMX_GPIO_NR(1, 8)
+
+static void setup_iomuxc_enet(void)
+{
+ int ret;
+
+ imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
+
+ /* Reset LAN8720 PHY */
+ ret = gpio_request(ENET_PHY_RESET_GPIO, "phy-reset");
+ if (!ret)
+ gpio_direction_output(ENET_PHY_RESET_GPIO , 0);
+ udelay(1000);
+ gpio_set_value(ENET_PHY_RESET_GPIO, 1);
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return cpu_eth_init(bis);
+}
+
+/* GPIO */
+#define GPIO_PAD_CTRL ( \
+ PAD_CTL_HYS | \
+ PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_PUE | \
+ PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | \
+ PAD_CTL_SRE_SLOW \
+ )
+
+#define GPIO_OD_PAD_CTRL ( \
+ PAD_CTL_HYS | \
+ PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_PUE | \
+ PAD_CTL_ODE | \
+ PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | \
+ PAD_CTL_SRE_SLOW \
+ )
+
+static iomux_v3_cfg_t const gpio_pads[] = {
+ /* USB_H_PWR */
+ NEW_PAD_CTRL(MX6_PAD_GPIO_0__GPIO1_IO00, GPIO_PAD_CTRL),
+ /* USB_OTG_PWR */
+ NEW_PAD_CTRL(MX6_PAD_EIM_D22__GPIO3_IO22, GPIO_PAD_CTRL),
+ /* PCIE_RST */
+ NEW_PAD_CTRL(MX6_PAD_NANDF_CLE__GPIO6_IO07, GPIO_OD_PAD_CTRL),
+ /* UART1_PWRON */
+ NEW_PAD_CTRL(MX6_PAD_DISP0_DAT14__GPIO5_IO08, GPIO_PAD_CTRL),
+ /* UART2_PWRON */
+ NEW_PAD_CTRL(MX6_PAD_DISP0_DAT16__GPIO5_IO10, GPIO_PAD_CTRL),
+ /* UART3_PWRON */
+ NEW_PAD_CTRL(MX6_PAD_DISP0_DAT18__GPIO5_IO12, GPIO_PAD_CTRL),
+};
+
+#define GPIO_USB_H_PWR IMX_GPIO_NR(1, 0)
+#define GPIO_USB_OTG_PWR IMX_GPIO_NR(3, 22)
+#define GPIO_PCIE_RST IMX_GPIO_NR(6, 7)
+#define GPIO_UART1_PWRON IMX_GPIO_NR(5, 8)
+#define GPIO_UART2_PWRON IMX_GPIO_NR(5, 10)
+#define GPIO_UART3_PWRON IMX_GPIO_NR(5, 12)
+
+static void gpio_init(void)
+{
+ int ret;
+
+ imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads));
+
+ ret = gpio_request(GPIO_USB_H_PWR, "usb-h-pwr");
+ if (!ret)
+ gpio_direction_output(GPIO_USB_H_PWR, 1);
+ ret = gpio_request(GPIO_USB_OTG_PWR, "usb-otg-pwr");
+ if (!ret)
+ gpio_direction_output(GPIO_USB_OTG_PWR, 1);
+ ret = gpio_request(GPIO_PCIE_RST, "pcie-reset");
+ if (!ret)
+ gpio_direction_output(GPIO_PCIE_RST, 1);
+ ret = gpio_request(GPIO_UART1_PWRON, "uart1-pwr");
+ if (!ret)
+ gpio_direction_output(GPIO_UART1_PWRON, 0);
+ ret = gpio_request(GPIO_UART2_PWRON, "uart2-pwr");
+ if (!ret)
+ gpio_direction_output(GPIO_UART2_PWRON, 0);
+ ret = gpio_request(GPIO_UART3_PWRON, "uart3-pwr");
+ if (!ret)
+ gpio_direction_output(GPIO_UART3_PWRON, 0);
+}
+
+void tqma6_iomuxc_spi(void)
+{
+ /* No SPI on this baseboard */
+}
+
+int tqma6_bb_board_early_init_f(void)
+{
+ setup_iomuxc_uart4();
+
+ return 0;
+}
+
+int tqma6_bb_board_init(void)
+{
+ setup_iomuxc_enet();
+
+ gpio_init();
+
+ /* Turn the UART-couplers on one-after-another */
+ gpio_set_value(GPIO_UART1_PWRON, 1);
+ mdelay(10);
+ gpio_set_value(GPIO_UART2_PWRON, 1);
+ mdelay(10);
+ gpio_set_value(GPIO_UART3_PWRON, 1);
+
+ return 0;
+}
+
+int tqma6_bb_board_late_init(void)
+{
+ return 0;
+}
+
+const char *tqma6_bb_get_boardname(void)
+{
+ return "WRU-IV";
+}
+
+static const struct boot_mode board_boot_modes[] = {
+ /* 4 bit bus width */
+ {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
+ /* 8 bit bus width */
+ {"emmc", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
+ { NULL, 0 },
+};
+
+int misc_init_r(void)
+{
+ add_board_boot_modes(board_boot_modes);
+
+ return 0;
+}
+
+#define WRU4_USB_H1_PWR IMX_GPIO_NR(1, 0)
+#define WRU4_USB_OTG_PWR IMX_GPIO_NR(3, 22)
+
+int board_ehci_hcd_init(int port)
+{
+ int ret;
+
+ ret = gpio_request(WRU4_USB_H1_PWR, "usb-h1-pwr");
+ if (!ret)
+ gpio_direction_output(WRU4_USB_H1_PWR, 1);
+
+ ret = gpio_request(WRU4_USB_OTG_PWR, "usb-OTG-pwr");
+ if (!ret)
+ gpio_direction_output(WRU4_USB_OTG_PWR, 1);
+
+ return 0;
+}
+
+int board_ehci_power(int port, int on)
+{
+ if (port)
+ gpio_set_value(WRU4_USB_OTG_PWR, on);
+ else
+ gpio_set_value(WRU4_USB_H1_PWR, on);
+
+ return 0;
+}
+
+/*
+ * Device Tree Support
+ */
+#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
+void tqma6_bb_ft_board_setup(void *blob, bd_t *bd)
+{
+ /* TBD */
+}
+#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */
diff --git a/configs/tqma6s_wru4_mmc_defconfig b/configs/tqma6s_wru4_mmc_defconfig
new file mode 100644
index 0000000..f362760
--- /dev/null
+++ b/configs/tqma6s_wru4_mmc_defconfig
@@ -0,0 +1,12 @@
+CONFIG_ARM=y
+CONFIG_ARCH_MX6=y
+CONFIG_TARGET_TQMA6=y
+CONFIG_TQMA6S=y
+CONFIG_WRU4=y
+CONFIG_CMD_SETEXPR=y
+CONFIG_CMD_NET=y
+CONFIG_AUTOBOOT_KEYED=y
+CONFIG_AUTOBOOT_PROMPT="Enter password in %d seconds to stop autoboot\n"
+CONFIG_AUTOBOOT_ENCRYPTION=y
+CONFIG_AUTOBOOT_STOP_STR_SHA256="36a9e7f1c95b82ffb99743e0c5c4ce95d83c9a430aac59f84ef3cbfab6145068"
+CONFIG_PCA9551_LED=y
diff --git a/include/configs/tqma6.h b/include/configs/tqma6.h
index aa19f11..706b972 100644
--- a/include/configs/tqma6.h
+++ b/include/configs/tqma6.h
@@ -395,6 +395,8 @@
*/
#ifdef CONFIG_MBA6
#include "tqma6_mba6.h"
+#elif CONFIG_WRU4
+#include "tqma6_wru4.h"
#else
#error "No baseboard for the TQMa6 defined!"
#endif
diff --git a/include/configs/tqma6_wru4.h b/include/configs/tqma6_wru4.h
new file mode 100644
index 0000000..1c86bc0
--- /dev/null
+++ b/include/configs/tqma6_wru4.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2015 Stefan Roese <sr at denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __CONFIG_TQMA6_WRU4_H
+#define __CONFIG_TQMA6_WRU4_H
+
+#define CONFIG_DEFAULT_FDT_FILE "imx6s-wru4.dtb"
+
+/* DTT sensors */
+#define CONFIG_DTT_SENSORS { 0, 1 }
+#define CONFIG_SYS_DTT_BUS_NUM 2
+
+/* Ethernet */
+#define CONFIG_FEC_XCV_TYPE RMII
+#define CONFIG_ETHPRIME "FEC"
+#define CONFIG_FEC_MXC_PHYADDR 0x01
+#define CONFIG_PHY_SMSC
+
+/* UART */
+#define CONFIG_MXC_UART_BASE UART4_BASE
+#define CONFIG_CONSOLE_DEV "ttymxc3"
+
+#define CONFIG_MISC_INIT_R
+
+/* Watchdog */
+#define CONFIG_HW_WATCHDOG
+#define CONFIG_IMX_WATCHDOG
+#define CONFIG_WATCHDOG_TIMEOUT_MSECS 60000
+
+/* Config on-board RTC */
+#define CONFIG_RTC_DS1337
+#define CONFIG_SYS_RTC_BUS_NUM 2
+#define CONFIG_SYS_I2C_RTC_ADDR 0x68
+/* Turn off RTC square-wave output to save battery */
+#define CONFIG_SYS_RTC_DS1337_NOOSC
+#define CONFIG_CMD_DATE
+
+#define CONFIG_CMD_GPIO
+
+/* LED */
+#define CONFIG_CMD_LED
+#define CONFIG_STATUS_LED
+#define CONFIG_BOARD_SPECIFIC_LED
+#define STATUS_LED_BIT 0
+#define STATUS_LED_STATE STATUS_LED_ON
+#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
+#define STATUS_LED_BIT1 1
+#define STATUS_LED_STATE1 STATUS_LED_ON
+#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2)
+#define STATUS_LED_BIT2 2
+#define STATUS_LED_STATE2 STATUS_LED_ON
+#define STATUS_LED_PERIOD2 (CONFIG_SYS_HZ / 2)
+#define STATUS_LED_BIT3 3
+#define STATUS_LED_STATE3 STATUS_LED_ON
+#define STATUS_LED_PERIOD3 (CONFIG_SYS_HZ / 2)
+#define STATUS_LED_BIT4 4
+#define STATUS_LED_STATE4 STATUS_LED_ON
+#define STATUS_LED_PERIOD4 (CONFIG_SYS_HZ / 2)
+#define STATUS_LED_BIT5 5
+#define STATUS_LED_STATE5 STATUS_LED_ON
+#define STATUS_LED_PERIOD5 (CONFIG_SYS_HZ / 2)
+
+/* Bootcounter */
+#define CONFIG_BOOTCOUNT_LIMIT
+#define CONFIG_SYS_BOOTCOUNT_ADDR IRAM_BASE_ADDR
+#define CONFIG_SYS_BOOTCOUNT_BE
+
+#endif /* __CONFIG_TQMA6_WRU4_H */
--
2.4.5
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