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authorRajeshwari Birje <rajeshwari.s@samsung.com>2013-12-26 09:44:24 +0530
committerMinkyu Kang <mk7.kang@samsung.com>2013-12-30 16:50:34 +0900
commite106bd9b9d0c3ec429b2e85184738789b75ca247 (patch)
tree87ae1d21dbf72323cd18f1edf772e3ce9b3153b1 /board/samsung/smdk5420
parent5af4a4f74ac0607c71f5fca3fd0c6679b662b207 (diff)
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Exynos5420: Add base patch for SMDK5420
Adding the base patch for Exynos based SMDK5420. This shall enable compilation and basic boot support for SMDK5420. Signed-off-by: Rajeshwari S Shinde <rajeshwari.s@samsung.com> Signed-off-by: Akshay Saraswat <akshay.s@samsung.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'board/samsung/smdk5420')
-rw-r--r--board/samsung/smdk5420/Makefile11
-rw-r--r--board/samsung/smdk5420/smdk5420.c159
-rw-r--r--board/samsung/smdk5420/smdk5420_spl.c52
3 files changed, 222 insertions, 0 deletions
diff --git a/board/samsung/smdk5420/Makefile b/board/samsung/smdk5420/Makefile
new file mode 100644
index 0000000..c2f8886
--- /dev/null
+++ b/board/samsung/smdk5420/Makefile
@@ -0,0 +1,11 @@
+#
+# Copyright (C) 2013 Samsung Electronics
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += smdk5420_spl.o
+
+ifndef CONFIG_SPL_BUILD
+obj-y += smdk5420.o
+endif
diff --git a/board/samsung/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c
new file mode 100644
index 0000000..3ad2ad0
--- /dev/null
+++ b/board/samsung/smdk5420/smdk5420.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <asm/io.h>
+#include <i2c.h>
+#include <lcd.h>
+#include <spi.h>
+#include <asm/arch/board.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/dp_info.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_USB_EHCI_EXYNOS
+static int board_usb_vbus_init(void)
+{
+ struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
+ samsung_get_base_gpio_part1();
+
+ /* Enable VBUS power switch */
+ s5p_gpio_direction_output(&gpio1->x2, 6, 1);
+
+ /* VBUS turn ON time */
+ mdelay(3);
+
+ return 0;
+}
+#endif
+
+int exynos_init(void)
+{
+#ifdef CONFIG_USB_EHCI_EXYNOS
+ board_usb_vbus_init();
+#endif
+ return 0;
+}
+
+#ifdef CONFIG_LCD
+void cfg_lcd_gpio(void)
+{
+ struct exynos5_gpio_part1 *gpio1 =
+ (struct exynos5_gpio_part1 *)samsung_get_base_gpio_part1();
+
+ /* For Backlight */
+ s5p_gpio_cfg_pin(&gpio1->b2, 0, GPIO_OUTPUT);
+ s5p_gpio_set_value(&gpio1->b2, 0, 1);
+
+ /* LCD power on */
+ s5p_gpio_cfg_pin(&gpio1->x1, 5, GPIO_OUTPUT);
+ s5p_gpio_set_value(&gpio1->x1, 5, 1);
+
+ /* Set Hotplug detect for DP */
+ s5p_gpio_cfg_pin(&gpio1->x0, 7, GPIO_FUNC(0x3));
+}
+
+vidinfo_t panel_info = {
+ .vl_freq = 60,
+ .vl_col = 2560,
+ .vl_row = 1600,
+ .vl_width = 2560,
+ .vl_height = 1600,
+ .vl_clkp = CONFIG_SYS_LOW,
+ .vl_hsp = CONFIG_SYS_LOW,
+ .vl_vsp = CONFIG_SYS_LOW,
+ .vl_dp = CONFIG_SYS_LOW,
+ .vl_bpix = 4, /* LCD_BPP = 2^4, for output conosle on LCD */
+
+ /* wDP panel timing infomation */
+ .vl_hspw = 32,
+ .vl_hbpd = 80,
+ .vl_hfpd = 48,
+
+ .vl_vspw = 6,
+ .vl_vbpd = 37,
+ .vl_vfpd = 3,
+ .vl_cmd_allow_len = 0xf,
+
+ .win_id = 3,
+ .cfg_gpio = cfg_lcd_gpio,
+ .backlight_on = NULL,
+ .lcd_power_on = NULL,
+ .reset_lcd = NULL,
+ .dual_lcd_enabled = 0,
+
+ .init_delay = 0,
+ .power_on_delay = 0,
+ .reset_delay = 0,
+ .interface_mode = FIMD_RGB_INTERFACE,
+ .dp_enabled = 1,
+};
+
+static struct edp_device_info edp_info = {
+ .disp_info = {
+ .h_res = 2560,
+ .h_sync_width = 32,
+ .h_back_porch = 80,
+ .h_front_porch = 48,
+ .v_res = 1600,
+ .v_sync_width = 6,
+ .v_back_porch = 37,
+ .v_front_porch = 3,
+ .v_sync_rate = 60,
+ },
+ .lt_info = {
+ .lt_status = DP_LT_NONE,
+ },
+ .video_info = {
+ .master_mode = 0,
+ .bist_mode = DP_DISABLE,
+ .bist_pattern = NO_PATTERN,
+ .h_sync_polarity = 0,
+ .v_sync_polarity = 0,
+ .interlaced = 0,
+ .color_space = COLOR_RGB,
+ .dynamic_range = VESA,
+ .ycbcr_coeff = COLOR_YCBCR601,
+ .color_depth = COLOR_8,
+ },
+};
+
+static struct exynos_dp_platform_data dp_platform_data = {
+ .phy_enable = set_dp_phy_ctrl,
+ .edp_dev_info = &edp_info,
+};
+
+void init_panel_info(vidinfo_t *vid)
+{
+ vid->rgb_mode = MODE_RGB_P;
+
+ exynos_set_dp_platform_data(&dp_platform_data);
+}
+#endif
+
+int board_get_revision(void)
+{
+ return 0;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+ const char *board_name;
+
+ board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
+ if (board_name == NULL)
+ printf("\nUnknown Board\n");
+ else
+ printf("\nBoard: %s\n", board_name);
+
+ return 0;
+}
+#endif
diff --git a/board/samsung/smdk5420/smdk5420_spl.c b/board/samsung/smdk5420/smdk5420_spl.c
new file mode 100644
index 0000000..73359f7
--- /dev/null
+++ b/board/samsung/smdk5420/smdk5420_spl.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2013 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/spl.h>
+#include <asm/arch/clk.h>
+
+#define SIGNATURE 0xdeadbeef
+
+/* Parameters of early board initialization in SPL */
+static struct spl_machine_param machine_param
+ __attribute__((section(".machine_param"))) = {
+ .signature = SIGNATURE,
+ .version = 1,
+ .params = "vmubfasirM",
+ .size = sizeof(machine_param),
+
+ .mem_iv_size = 0x1f,
+ .mem_type = DDR_MODE_DDR3,
+
+ /*
+ * Set uboot_size to 0x100000 bytes.
+ *
+ * This is an overly conservative value chosen to accommodate all
+ * possible U-Boot image. You are advised to set this value to a
+ * smaller realistic size via scripts that modifies the .machine_param
+ * section of output U-Boot image.
+ */
+ .uboot_size = 0x100000,
+
+ .boot_source = BOOT_MODE_OM,
+ .frequency_mhz = 800,
+ .arm_freq_mhz = 900,
+ .serial_base = 0x12c30000,
+ .i2c_base = 0x12c60000,
+ .mem_manuf = MEM_MANUF_SAMSUNG,
+};
+
+struct spl_machine_param *spl_get_machine_params(void)
+{
+ if (machine_param.signature != SIGNATURE) {
+ /* Will hang if SIGNATURE dont match */
+ while (1)
+ ;
+ }
+
+ return &machine_param;
+}