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-rw-r--r--roms/u-boot/board/embest/mx6boards/Kconfig12
-rw-r--r--roms/u-boot/board/embest/mx6boards/MAINTAINERS8
-rw-r--r--roms/u-boot/board/embest/mx6boards/Makefile7
-rw-r--r--roms/u-boot/board/embest/mx6boards/mx6boards.c502
4 files changed, 529 insertions, 0 deletions
diff --git a/roms/u-boot/board/embest/mx6boards/Kconfig b/roms/u-boot/board/embest/mx6boards/Kconfig
new file mode 100644
index 000000000..24d01f226
--- /dev/null
+++ b/roms/u-boot/board/embest/mx6boards/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_EMBESTMX6BOARDS
+
+config SYS_BOARD
+ default "mx6boards"
+
+config SYS_VENDOR
+ default "embest"
+
+config SYS_CONFIG_NAME
+ default "embestmx6boards"
+
+endif
diff --git a/roms/u-boot/board/embest/mx6boards/MAINTAINERS b/roms/u-boot/board/embest/mx6boards/MAINTAINERS
new file mode 100644
index 000000000..02756c58b
--- /dev/null
+++ b/roms/u-boot/board/embest/mx6boards/MAINTAINERS
@@ -0,0 +1,8 @@
+MX6BOARDS BOARD
+M: Eric Bénard <eric@eukrea.com>
+S: Maintained
+F: board/embest/mx6boards/
+F: include/configs/embestmx6boards.h
+F: configs/marsboard_defconfig
+F: configs/riotboard_defconfig
+F: configs/riotboard_spl_defconfig
diff --git a/roms/u-boot/board/embest/mx6boards/Makefile b/roms/u-boot/board/embest/mx6boards/Makefile
new file mode 100644
index 000000000..a032a3df9
--- /dev/null
+++ b/roms/u-boot/board/embest/mx6boards/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+#
+# (C) Copyright 2011 Freescale Semiconductor, Inc.
+
+obj-y := mx6boards.o
diff --git a/roms/u-boot/board/embest/mx6boards/mx6boards.c b/roms/u-boot/board/embest/mx6boards/mx6boards.c
new file mode 100644
index 000000000..dda8502c6
--- /dev/null
+++ b/roms/u-boot/board/embest/mx6boards/mx6boards.c
@@ -0,0 +1,502 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2014 Eukréa Electromatique
+ * Author: Eric Bénard <eric@eukrea.com>
+ * Fabio Estevam <fabio.estevam@freescale.com>
+ * Jon Nettleton <jon.nettleton@gmail.com>
+ *
+ * based on sabresd.c which is :
+ * Copyright (C) 2012 Freescale Semiconductor, Inc.
+ * and on hummingboard.c which is :
+ * Copyright (C) 2013 SolidRun ltd.
+ * Copyright (C) 2013 Jon Nettleton <jon.nettleton@gmail.com>.
+ */
+
+#include <common.h>
+#include <init.h>
+#include <net.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/global_data.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <asm/gpio.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/boot_mode.h>
+#include <asm/mach-imx/mxc_i2c.h>
+#include <asm/mach-imx/spi.h>
+#include <asm/mach-imx/video.h>
+#include <i2c.h>
+#include <input.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/arch/crm_regs.h>
+#include <linux/fb.h>
+#include <ipu_pixfmt.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
+ PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+
+#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
+ PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
+ PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+
+#define USDHC_PAD_CLK_CTRL (PAD_CTL_SPEED_LOW | \
+ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | \
+ PAD_CTL_HYS)
+
+#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+
+#define ENET_PAD_CTRL_PD (PAD_CTL_PUS_100K_DOWN | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+
+#define ENET_PAD_CTRL_CLK ((PAD_CTL_PUS_100K_UP & ~PAD_CTL_PKE) | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
+
+#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
+ PAD_CTL_ODE | PAD_CTL_SRE_FAST)
+
+#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
+
+static int board_type = -1;
+#define BOARD_IS_MARSBOARD 0
+#define BOARD_IS_RIOTBOARD 1
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+
+ return 0;
+}
+
+static iomux_v3_cfg_t const uart2_pads[] = {
+ MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+ MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+ imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
+}
+
+iomux_v3_cfg_t const enet_pads[] = {
+ /* AR8035 PHY Reset */
+ MX6_PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
+ /* AR8035 PHY Interrupt */
+ MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+};
+
+static void setup_iomux_enet(void)
+{
+ imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
+
+ /* Reset AR8035 PHY */
+ gpio_direction_output(IMX_GPIO_NR(3, 31) , 0);
+ mdelay(2);
+ gpio_set_value(IMX_GPIO_NR(3, 31), 1);
+}
+
+int mx6_rgmii_rework(struct phy_device *phydev)
+{
+ /* from linux/arch/arm/mach-imx/mach-imx6q.c :
+ * Ar803x phy SmartEEE feature cause link status generates glitch,
+ * which cause ethernet link down/up issue, so disable SmartEEE
+ */
+ phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x805d);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4003);
+
+ return 0;
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+ mx6_rgmii_rework(phydev);
+
+ if (phydev->drv->config)
+ phydev->drv->config(phydev);
+
+ return 0;
+}
+
+#ifdef CONFIG_MXC_SPI
+iomux_v3_cfg_t const ecspi1_pads[] = {
+ MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
+ MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
+ MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
+ MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+int board_spi_cs_gpio(unsigned bus, unsigned cs)
+{
+ return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1;
+}
+
+static void setup_spi(void)
+{
+ imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
+}
+#endif
+
+struct i2c_pads_info i2c_pad_info1 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gp = IMX_GPIO_NR(5, 27)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gp = IMX_GPIO_NR(5, 26)
+ }
+};
+
+struct i2c_pads_info i2c_pad_info2 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gp = IMX_GPIO_NR(4, 12)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gp = IMX_GPIO_NR(4, 13)
+ }
+};
+
+struct i2c_pads_info i2c_pad_info3 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_GPIO_5__I2C3_SCL
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gpio_mode = MX6_PAD_GPIO_5__GPIO1_IO05
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gp = IMX_GPIO_NR(1, 5)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06
+ | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ .gp = IMX_GPIO_NR(1, 6)
+ }
+};
+
+iomux_v3_cfg_t const tft_pads_riot[] = {
+ /* LCD_PWR_EN */
+ MX6_PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ /* TOUCH_INT */
+ MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ /* LED_PWR_EN */
+ MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ /* BL LEVEL */
+ MX6_PAD_SD1_CMD__GPIO1_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+iomux_v3_cfg_t const tft_pads_mars[] = {
+ /* LCD_PWR_EN */
+ MX6_PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ /* TOUCH_INT */
+ MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ /* LED_PWR_EN */
+ MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ /* BL LEVEL (PWM4) */
+ MX6_PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+#if defined(CONFIG_VIDEO_IPUV3)
+
+static void enable_lvds(struct display_info_t const *dev)
+{
+ struct iomuxc *iomux = (struct iomuxc *)
+ IOMUXC_BASE_ADDR;
+ setbits_le32(&iomux->gpr[2],
+ IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT);
+ /* set backlight level to ON */
+ if (board_type == BOARD_IS_RIOTBOARD)
+ gpio_direction_output(IMX_GPIO_NR(1, 18) , 1);
+ else if (board_type == BOARD_IS_MARSBOARD)
+ gpio_direction_output(IMX_GPIO_NR(2, 10) , 1);
+}
+
+static void disable_lvds(struct display_info_t const *dev)
+{
+ struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ /* set backlight level to OFF */
+ if (board_type == BOARD_IS_RIOTBOARD)
+ gpio_direction_output(IMX_GPIO_NR(1, 18) , 0);
+ else if (board_type == BOARD_IS_MARSBOARD)
+ gpio_direction_output(IMX_GPIO_NR(2, 10) , 0);
+
+ clrbits_le32(&iomux->gpr[2],
+ IOMUXC_GPR2_LVDS_CH0_MODE_MASK);
+}
+
+static void do_enable_hdmi(struct display_info_t const *dev)
+{
+ disable_lvds(dev);
+ imx_enable_hdmi_phy();
+}
+
+static int detect_i2c(struct display_info_t const *dev)
+{
+ return (0 == i2c_set_bus_num(dev->bus)) &&
+ (0 == i2c_probe(dev->addr));
+}
+
+struct display_info_t const displays[] = {{
+ .bus = -1,
+ .addr = 0,
+ .pixfmt = IPU_PIX_FMT_RGB24,
+ .detect = detect_hdmi,
+ .enable = do_enable_hdmi,
+ .mode = {
+ .name = "HDMI",
+ .refresh = 60,
+ .xres = 1024,
+ .yres = 768,
+ .pixclock = 15385,
+ .left_margin = 220,
+ .right_margin = 40,
+ .upper_margin = 21,
+ .lower_margin = 7,
+ .hsync_len = 60,
+ .vsync_len = 10,
+ .sync = FB_SYNC_EXT,
+ .vmode = FB_VMODE_NONINTERLACED
+} }, {
+ .bus = 2,
+ .addr = 0x1,
+ .pixfmt = IPU_PIX_FMT_LVDS666,
+ .detect = detect_i2c,
+ .enable = enable_lvds,
+ .mode = {
+ .name = "LCD8000-97C",
+ .refresh = 60,
+ .xres = 1024,
+ .yres = 768,
+ .pixclock = 15385,
+ .left_margin = 100,
+ .right_margin = 200,
+ .upper_margin = 10,
+ .lower_margin = 20,
+ .hsync_len = 20,
+ .vsync_len = 8,
+ .sync = FB_SYNC_EXT,
+ .vmode = FB_VMODE_NONINTERLACED
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+
+static void setup_display(void)
+{
+ struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+ struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+ int reg;
+
+ enable_ipu_clock();
+ imx_setup_hdmi();
+
+ /* Turn on LDB0, IPU,IPU DI0 clocks */
+ setbits_le32(&mxc_ccm->CCGR3,
+ MXC_CCM_CCGR3_LDB_DI0_MASK);
+
+ /* set LDB0 clk select to 011/011 */
+ clrsetbits_le32(&mxc_ccm->cs2cdr,
+ MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK,
+ (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET));
+
+ setbits_le32(&mxc_ccm->cscmr2,
+ MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
+
+ setbits_le32(&mxc_ccm->chsccdr,
+ (CHSCCDR_CLK_SEL_LDB_DI0
+ << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
+
+ reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
+ | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
+ | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
+ | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
+ | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
+ | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
+ | IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
+ | IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
+ writel(reg, &iomux->gpr[2]);
+
+ clrsetbits_le32(&iomux->gpr[3],
+ IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
+ IOMUXC_GPR3_HDMI_MUX_CTL_MASK,
+ IOMUXC_GPR3_MUX_SRC_IPU1_DI0
+ << IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
+}
+#endif /* CONFIG_VIDEO_IPUV3 */
+
+/*
+ * Do not overwrite the console
+ * Use always serial for U-Boot console
+ */
+int overwrite_console(void)
+{
+ return 1;
+}
+
+int board_early_init_f(void)
+{
+ u32 cputype = cpu_type(get_cpu_rev());
+
+ switch (cputype) {
+ case MXC_CPU_MX6SOLO:
+ board_type = BOARD_IS_RIOTBOARD;
+ break;
+ case MXC_CPU_MX6D:
+ board_type = BOARD_IS_MARSBOARD;
+ break;
+ }
+
+ setup_iomux_uart();
+
+ if (board_type == BOARD_IS_RIOTBOARD)
+ imx_iomux_v3_setup_multiple_pads(
+ tft_pads_riot, ARRAY_SIZE(tft_pads_riot));
+ else if (board_type == BOARD_IS_MARSBOARD)
+ imx_iomux_v3_setup_multiple_pads(
+ tft_pads_mars, ARRAY_SIZE(tft_pads_mars));
+#if defined(CONFIG_VIDEO_IPUV3)
+ /* power ON LCD */
+ gpio_direction_output(IMX_GPIO_NR(1, 29) , 1);
+ /* touch interrupt is an input */
+ gpio_direction_input(IMX_GPIO_NR(6, 14));
+ /* power ON backlight */
+ gpio_direction_output(IMX_GPIO_NR(6, 15) , 1);
+ /* set backlight level to off */
+ if (board_type == BOARD_IS_RIOTBOARD)
+ gpio_direction_output(IMX_GPIO_NR(1, 18) , 0);
+ else if (board_type == BOARD_IS_MARSBOARD)
+ gpio_direction_output(IMX_GPIO_NR(2, 10) , 0);
+ setup_display();
+#endif
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+ /* i2c1 : PMIC, Audio codec on RiOT, Expansion connector on MarS */
+ setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+ /* i2c2 : HDMI EDID */
+ setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
+ /* i2c3 : LVDS, Expansion connector */
+ setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
+#ifdef CONFIG_MXC_SPI
+ setup_spi();
+#endif
+ return 0;
+}
+
+#ifdef CONFIG_CMD_BMODE
+static const struct boot_mode riotboard_boot_modes[] = {
+ {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
+ {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
+ {"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
+ {NULL, 0},
+};
+static const struct boot_mode marsboard_boot_modes[] = {
+ {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
+ {"emmc", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
+ {NULL, 0},
+};
+#endif
+
+int board_late_init(void)
+{
+#ifdef CONFIG_CMD_BMODE
+ if (board_type == BOARD_IS_RIOTBOARD)
+ add_board_boot_modes(riotboard_boot_modes);
+ else if (board_type == BOARD_IS_RIOTBOARD)
+ add_board_boot_modes(marsboard_boot_modes);
+#endif
+ setup_iomux_enet();
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ puts("Board: ");
+ if (board_type == BOARD_IS_MARSBOARD)
+ puts("MarSBoard\n");
+ else if (board_type == BOARD_IS_RIOTBOARD)
+ puts("RIoTboard\n");
+ else
+ printf("unknown - cputype : %02x\n", cpu_type(get_cpu_rev()));
+
+ return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+#include <spl.h>
+
+void board_init_f(ulong dummy)
+{
+ u32 cputype = cpu_type(get_cpu_rev());
+
+ switch (cputype) {
+ case MXC_CPU_MX6SOLO:
+ board_type = BOARD_IS_RIOTBOARD;
+ break;
+ case MXC_CPU_MX6D:
+ board_type = BOARD_IS_MARSBOARD;
+ break;
+ }
+ arch_cpu_init();
+
+ /* setup GP timer */
+ timer_init();
+
+#ifdef CONFIG_SPL_SERIAL_SUPPORT
+ setup_iomux_uart();
+ preloader_console_init();
+#endif
+}
+
+void board_boot_order(u32 *spl_boot_list)
+{
+ spl_boot_list[0] = BOOT_DEVICE_MMC1;
+}
+
+/*
+ * In order to jump to standard u-boot shell, you have to connect pin 5 of J13
+ * to pin 3 (ground).
+ */
+int spl_start_uboot(void)
+{
+ int gpio_key = IMX_GPIO_NR(4, 16);
+
+ gpio_direction_input(gpio_key);
+ if (gpio_get_value(gpio_key) == 0)
+ return 1;
+ else
+ return 0;
+}
+
+#endif