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author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-01-06 09:32:42 +0100 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-01-06 09:32:42 +0100 |
commit | 4b0561d84198f8d696fd51cfc27aeac8c7482a8c (patch) | |
tree | b606414d6bfe1332209a282955233a1d87547f40 /board/samsung/smdk5420 | |
parent | a891601ce51edbafa1a2750c96a618e4fcbca1c2 (diff) | |
parent | a5e15bbb42512ee5be53967019e9649816790d7e (diff) | |
download | u-boot-imx-4b0561d84198f8d696fd51cfc27aeac8c7482a8c.zip u-boot-imx-4b0561d84198f8d696fd51cfc27aeac8c7482a8c.tar.gz u-boot-imx-4b0561d84198f8d696fd51cfc27aeac8c7482a8c.tar.bz2 |
Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'
Diffstat (limited to 'board/samsung/smdk5420')
-rw-r--r-- | board/samsung/smdk5420/Makefile | 11 | ||||
-rw-r--r-- | board/samsung/smdk5420/smdk5420.c | 159 | ||||
-rw-r--r-- | board/samsung/smdk5420/smdk5420_spl.c | 52 |
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; +} |