[U-Boot] [PATCH 06/10 V4] Exynos5420: Add base patch for SMDK5420
Rajeshwari S Shinde
rajeshwari.s at samsung.com
Fri Sep 27 14:10:51 CEST 2013
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 at samsung.com>
Signed-off-by: Akshay Saraswat <akshay.s at samsung.com>
---
Changes in V2:
- None
Changes in V3:
- None
Changes in V4:
- Rebased on latest u-boot-samsung tree.
board/samsung/common/board.c | 2 +
board/samsung/smdk5420/Makefile | 34 +++++
board/samsung/smdk5420/smdk5420.c | 253 ++++++++++++++++++++++++++++++++++
board/samsung/smdk5420/smdk5420_spl.c | 52 +++++++
boards.cfg | 1 +
tools/Makefile | 2 +
6 files changed, 344 insertions(+)
create mode 100644 board/samsung/smdk5420/Makefile
create mode 100644 board/samsung/smdk5420/smdk5420.c
create mode 100644 board/samsung/smdk5420/smdk5420_spl.c
diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c
index 7193c90..ce85ddb 100644
--- a/board/samsung/common/board.c
+++ b/board/samsung/common/board.c
@@ -139,6 +139,7 @@ struct cros_ec_dev *board_get_cros_ec_dev(void)
return local.cros_ec_dev;
}
+#ifdef CONFIG_CROS_EC
static int board_init_cros_ec_devices(const void *blob)
{
local.cros_ec_err = cros_ec_init(blob, &local.cros_ec_dev);
@@ -147,6 +148,7 @@ static int board_init_cros_ec_devices(const void *blob)
return 0;
}
+#endif
#if defined(CONFIG_POWER)
#ifdef CONFIG_POWER_MAX77686
diff --git a/board/samsung/smdk5420/Makefile b/board/samsung/smdk5420/Makefile
new file mode 100644
index 0000000..be538ec
--- /dev/null
+++ b/board/samsung/smdk5420/Makefile
@@ -0,0 +1,34 @@
+#
+# Copyright (C) 2013 Samsung Electronics
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+COBJS += smdk5420_spl.o
+
+ifndef CONFIG_SPL_BUILD
+COBJS += smdk5420.o
+endif
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+ALL := $(obj).depend $(LIB)
+
+all: $(ALL)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/samsung/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c
new file mode 100644
index 0000000..cf76455
--- /dev/null
+++ b/board/samsung/smdk5420/smdk5420.c
@@ -0,0 +1,253 @@
+/*
+ * 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 <netdev.h>
+#include <spi.h>
+#include <asm/arch/board.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/dwmmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/sromc.h>
+#include <asm/arch/dp_info.h>
+#include <power/pmic.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;
+}
+
+static int decode_sromc(const void *blob, struct fdt_sromc *config)
+{
+ int err;
+ int node;
+
+ node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC);
+ if (node < 0) {
+ debug("Could not find SROMC node\n");
+ return node;
+ }
+
+ config->bank = fdtdec_get_int(blob, node, "bank", 0);
+ config->width = fdtdec_get_int(blob, node, "width", 2);
+
+ err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing,
+ FDT_SROM_TIMING_COUNT);
+ if (err < 0) {
+ debug("Could not decode SROMC configuration Error: %s\n",
+ fdt_strerror(err));
+ return -FDT_ERR_NOTFOUND;
+ }
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_SMC911X
+ u32 smc_bw_conf, smc_bc_conf;
+ struct fdt_sromc config;
+ fdt_addr_t base_addr;
+ int node;
+
+ node = decode_sromc(gd->fdt_blob, &config);
+ if (node < 0) {
+ debug("%s: Could not find sromc configuration\n", __func__);
+ return 0;
+ }
+ node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
+ if (node < 0) {
+ debug("%s: Could not find lan9215 configuration\n", __func__);
+ return 0;
+ }
+
+ /* We now have a node, so any problems from now on are errors */
+ base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
+ if (base_addr == FDT_ADDR_T_NONE) {
+ debug("%s: Could not find lan9215 address\n", __func__);
+ return -1;
+ }
+
+ /* Ethernet needs data bus width of 16 bits */
+ if (config.width != 2) {
+ debug("%s: Unsupported bus width %d\n", __func__,
+ config.width);
+ return -1;
+ }
+ smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
+ | SROMC_BYTE_ENABLE(config.bank);
+
+ smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS]) |
+ SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
+ SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
+ SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
+ SROMC_BC_TAH(config.timing[FDT_SROM_TAH]) |
+ SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
+ SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
+
+ /* Select and configure the SROMC bank */
+ exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
+ s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
+ return smc911x_initialize(0, base_addr);
+#endif
+ return 0;
+}
+
+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+ int ret;
+
+ /* dwmmc initializattion for available channels */
+ ret = exynos_dwmmc_init(gd->fdt_blob);
+ if (ret)
+ debug("dwmmc init failed\n");
+
+ return ret;
+}
+#endif
+
+#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;
+}
diff --git a/boards.cfg b/boards.cfg
index e6cc56e..7003e84 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -269,6 +269,7 @@ Active arm armv7 exynos samsung arndale
Active arm armv7 exynos samsung origen origen - Chander Kashyap <k.chander at samsung.com>
Active arm armv7 exynos samsung smdk5250 smdk5250 - Chander Kashyap <k.chander at samsung.com>
Active arm armv7 exynos samsung smdk5250 snow - Rajeshwari Shinde <rajeshwari.s at samsung.com>
+Active arm armv7 exynos samsung smdk5420 smdk5420 - Rajeshwari Shinde <rajeshwari.s at samsung.com>
Active arm armv7 exynos samsung smdkv310 smdkv310 - Chander Kashyap <k.chander at samsung.com>
Active arm armv7 exynos samsung trats trats - Lukasz Majewski <l.majewski at samsung.com>
Active arm armv7 exynos samsung trats2 trats2 - Piotr Wilczek <p.wilczek at samsung.com>
diff --git a/tools/Makefile b/tools/Makefile
index c36cde2..b257f36 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -53,6 +53,7 @@ BIN_FILES-$(CONFIG_XWAY_SWAP_BYTES) += xway-swap-bytes$(SFX)
BIN_FILES-y += mkenvimage$(SFX)
BIN_FILES-y += mkimage$(SFX)
BIN_FILES-$(CONFIG_EXYNOS5250) += mk$(BOARD)spl$(SFX)
+BIN_FILES-$(CONFIG_EXYNOS5420) += mk$(BOARD)spl$(SFX)
BIN_FILES-$(CONFIG_MX23) += mxsboot$(SFX)
BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX)
BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX)
@@ -88,6 +89,7 @@ OBJ_FILES-$(CONFIG_BUILD_ENVCRC) += envcrc.o
OBJ_FILES-$(CONFIG_CMD_LOADS) += img2srec.o
OBJ_FILES-$(CONFIG_CMD_NET) += gen_eth_addr.o
OBJ_FILES-$(CONFIG_EXYNOS5250) += mkexynosspl.o
+OBJ_FILES-$(CONFIG_EXYNOS5420) += mkexynosspl.o
OBJ_FILES-$(CONFIG_KIRKWOOD) += kwboot.o
OBJ_FILES-$(CONFIG_LCD_LOGO) += bmp_logo.o
OBJ_FILES-$(CONFIG_MX23) += mxsboot.o
--
1.7.12.4
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