aboutsummaryrefslogtreecommitdiffstats
path: root/roms/u-boot/board/liebherr/display5/display5.c
diff options
context:
space:
mode:
Diffstat (limited to 'roms/u-boot/board/liebherr/display5/display5.c')
-rw-r--r--roms/u-boot/board/liebherr/display5/display5.c251
1 files changed, 251 insertions, 0 deletions
diff --git a/roms/u-boot/board/liebherr/display5/display5.c b/roms/u-boot/board/liebherr/display5/display5.c
new file mode 100644
index 000000000..e3a59dbec
--- /dev/null
+++ b/roms/u-boot/board/liebherr/display5/display5.c
@@ -0,0 +1,251 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 DENX Software Engineering
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <fdt_support.h>
+#include <init.h>
+#include <log.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/mx6-ddr.h>
+#include <asm/arch/sys_proto.h>
+#include <env.h>
+#include <errno.h>
+#include <asm/gpio.h>
+#include <malloc.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/boot_mode.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <i2c.h>
+#include <linux/delay.h>
+
+#include <dm/platform_data/serial_mxc.h>
+#include <dm/platdata.h>
+
+#include "common.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static bool hw_ids_valid;
+static bool sw_ids_valid;
+static u32 cpu_id;
+static u32 unit_id;
+
+const char *gpio_table_sw_names[] = {
+ "GPIO2_4", "GPIO2_5", "GPIO2_6", "GPIO2_7"
+};
+
+const char *gpio_table_sw_ids_names[] = {
+ "sw0", "sw1", "sw2", "sw3"
+};
+
+const char *gpio_table_hw_names[] = {
+ "GPIO6_7", "GPIO6_9", "GPIO6_10", "GPIO6_11",
+ "GPIO4_7", "GPIO4_11", "GPIO4_13", "GPIO4_15"
+};
+
+const char *gpio_table_hw_ids_names[] = {
+ "hw0", "hw1", "hw2", "hw3", "hw4", "hw5", "hw6", "hw7"
+};
+
+static int get_board_id(const char **pin_names, const char **ids_names,
+ int size, bool *valid, u32 *id)
+{
+ struct gpio_desc desc;
+ int i, ret, val;
+
+ *valid = false;
+
+ for (i = 0; i < size; i++) {
+ memset(&desc, 0, sizeof(desc));
+
+ ret = dm_gpio_lookup_name(pin_names[i], &desc);
+ if (ret) {
+ printf("Can't lookup request SWx gpios\n");
+ return ret;
+ }
+
+ ret = dm_gpio_request(&desc, ids_names[i]);
+ if (ret) {
+ printf("Can't lookup request SWx gpios\n");
+ return ret;
+ }
+
+ dm_gpio_set_dir_flags(&desc, GPIOD_IS_IN);
+
+ val = dm_gpio_get_value(&desc);
+ if (val < 0) {
+ printf("Can't get SW%d ID\n", i);
+ *id = 0;
+ return val;
+ }
+ *id |= val << i;
+ }
+ *valid = true;
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ gd->ram_size = imx_ddr_size();
+
+ return 0;
+}
+
+iomux_v3_cfg_t const misc_pads[] = {
+ /* Prod ID GPIO pins */
+ MX6_PAD_NANDF_D4__GPIO2_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_NANDF_D7__GPIO2_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL),
+
+ /* HW revision GPIO pins */
+ MX6_PAD_NANDF_CLE__GPIO6_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_KEY_ROW0__GPIO4_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
+
+ /* XTALOSC */
+ MX6_PAD_GPIO_3__XTALOSC_REF_CLK_24M | MUX_PAD_CTRL(NO_PAD_CTRL),
+
+ /* Emergency recovery pin */
+ MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+/*
+ * Do not overwrite the console
+ * Always use serial for U-Boot console
+ */
+int overwrite_console(void)
+{
+ return 1;
+}
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+ fdt_fixup_ethernet(blob);
+ return 0;
+}
+#endif
+
+int board_phy_config(struct phy_device *phydev)
+{
+ /* display5 due to PCB routing can only work with 100 Mbps */
+ phydev->advertising &= ~(ADVERTISED_1000baseX_Half |
+ ADVERTISED_1000baseX_Full |
+ SUPPORTED_1000baseT_Half |
+ SUPPORTED_1000baseT_Full);
+
+ if (phydev->drv->config)
+ return phydev->drv->config(phydev);
+
+ return 0;
+}
+
+int board_init(void)
+{
+ struct gpio_desc phy_int_gbe, spi2_wp;
+ int ret;
+
+ debug("board init\n");
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ /* Setup misc (application specific) stuff */
+ SETUP_IOMUX_PADS(misc_pads);
+
+ get_board_id(gpio_table_sw_names, &gpio_table_sw_ids_names[0],
+ ARRAY_SIZE(gpio_table_sw_names), &sw_ids_valid, &unit_id);
+ debug("SWx unit_id 0x%x\n", unit_id);
+
+ get_board_id(gpio_table_hw_names, &gpio_table_hw_ids_names[0],
+ ARRAY_SIZE(gpio_table_hw_names), &hw_ids_valid, &cpu_id);
+ debug("HWx cpu_id 0x%x\n", cpu_id);
+
+ if (hw_ids_valid && sw_ids_valid)
+ printf("ID: unit type 0x%x rev 0x%x\n", unit_id, cpu_id);
+
+ udelay(25);
+
+ /* Setup low level FEC (ETH) */
+ ret = dm_gpio_lookup_name("GPIO1_28", &phy_int_gbe);
+ if (ret) {
+ printf("Cannot get GPIO1_28\n");
+ } else {
+ ret = dm_gpio_request(&phy_int_gbe, "INT_GBE");
+ if (!ret)
+ dm_gpio_set_dir_flags(&phy_int_gbe, GPIOD_IS_IN);
+ }
+
+ iomuxc_set_rgmii_io_voltage(DDR_SEL_1P5V_IO);
+ enable_fec_anatop_clock(0, ENET_125MHZ);
+
+ /* Setup #WP for SPI-NOR memory */
+ ret = dm_gpio_lookup_name("GPIO7_0", &spi2_wp);
+ if (ret) {
+ printf("Cannot get GPIO7_0\n");
+ } else {
+ ret = dm_gpio_request(&spi2_wp, "spi2_#wp");
+ if (!ret)
+ dm_gpio_set_dir_flags(&spi2_wp, GPIOD_IS_OUT |
+ GPIOD_IS_OUT_ACTIVE);
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_CMD_BMODE
+static const struct boot_mode board_boot_modes[] = {
+ /* eMMC, USDHC-4, 8-bit bus width */
+ /* SPI-NOR, ECSPI-2 SS0, 3-bytes addressing */
+ {"emmc", MAKE_CFGVAL(0x60, 0x58, 0x00, 0x00)},
+ {"spinor", MAKE_CFGVAL(0x30, 0x00, 0x00, 0x09)},
+ {NULL, 0},
+};
+
+static void setup_boot_modes(void)
+{
+ add_board_boot_modes(board_boot_modes);
+}
+#else
+static inline void setup_boot_modes(void) {}
+#endif
+
+int misc_init_r(void)
+{
+ struct gpio_desc em_pad;
+ int ret;
+
+ setup_boot_modes();
+
+ ret = dm_gpio_lookup_name("GPIO3_29", &em_pad);
+ if (ret) {
+ printf("Can't find emergency PAD gpio\n");
+ return ret;
+ }
+
+ ret = dm_gpio_request(&em_pad, "Emergency_PAD");
+ if (ret) {
+ printf("Can't request emergency PAD gpio\n");
+ return ret;
+ }
+
+ dm_gpio_set_dir_flags(&em_pad, GPIOD_IS_IN);
+
+ return 0;
+}