[U-Boot] [PATCH 08/12 V3] Exynos5420: Add base patch for SMDK5420
Simon Glass
sjg at chromium.org
Thu Sep 19 08:06:25 CEST 2013
Hi Rajeshwari,
On Wed, Sep 11, 2013 at 4:01 AM, Rajeshwari S Shinde <
rajeshwari.s at samsung.com> wrote:
> 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
> MAINTAINERS | 1 +
> Makefile | 2 +-
> board/samsung/common/board.c | 2 +
> board/samsung/smdk5420/Makefile | 50 ++++++
> board/samsung/smdk5420/smdk5420.c | 281
> ++++++++++++++++++++++++++++++++++
> board/samsung/smdk5420/smdk5420_spl.c | 68 ++++++++
> boards.cfg | 1 +
> tools/Makefile | 2 +
> 8 files changed, 406 insertions(+), 1 deletion(-)
> 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/MAINTAINERS b/MAINTAINERS
> index 9700ec9..97990fb 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -939,6 +939,7 @@ Bo Shen <voice.shen at atmel.com>
> Rajeshwari Shinde <rajeshwari.s at samsung.com>
>
> snow ARM ARMV7 (EXYNOS5250 SoC)
> + smdk5420 ARM ARMV7 (EXYNOS5420 SoC)
>
This file is gone now - I think you need to rebase to mainline.
> Michal Simek <monstr at monstr.eu>
>
> diff --git a/Makefile b/Makefile
> index 488db8a..cf1bc1c 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -813,7 +813,7 @@ clean:
> $(obj)tools/gdb/{astest,gdbcont,gdbsend} \
> $(obj)tools/gen_eth_addr $(obj)tools/img2srec \
> $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \
> - $(obj)tools/mk{$(BOARD),}spl \
> + $(obj)tools/mk{$(BOARD)}spl \
>
What is happening here?
> $(obj)tools/mxsboot \
> $(obj)tools/ncb $(obj)tools/ubsha1 \
> $(obj)tools/kernel-doc/docproc \
> diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c
> index bfcfbdf..f255d69 100644
> --- a/board/samsung/common/board.c
> +++ b/board/samsung/common/board.c
> @@ -154,6 +154,7 @@ 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);
> @@ -162,6 +163,7 @@ static int board_init_cros_ec_devices(const void *blob)
>
> return 0;
> }
> +#endif
>
> #if defined(CONFIG_POWER)
> static int pmic_reg_update(struct pmic *p, int reg, uint regval)
> diff --git a/board/samsung/smdk5420/Makefile
> b/board/samsung/smdk5420/Makefile
> new file mode 100644
> index 0000000..15e992e
> --- /dev/null
> +++ b/board/samsung/smdk5420/Makefile
> @@ -0,0 +1,50 @@
> +#
> +# Copyright (C) 2013 Samsung Electronics
> +#
> +# See file CREDITS for list of people who contributed to this
> +# project.
> +#
> +# This program is free software; you can redistribute it and/or
> +# modify it under the terms of the GNU General Public License as
> +# published by the Free Software Foundation; either version 2 of
> +# the License, or (at your option) any later version.
> +#
> +# This program is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> +# GNU General Public License for more details.
> +#
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write to the Free Software
> +# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> +# MA 02111-1307 USA
> +#
> +
> +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..b4c860e
> --- /dev/null
> +++ b/board/samsung/smdk5420/smdk5420.c
> @@ -0,0 +1,281 @@
> +/*
> + * Copyright (C) 2013 Samsung Electronics
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +
> +#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
> +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
> +
> +#if defined(CONFIG_POWER)
> +int power_init_board(void)
> +{
> + if (pmic_init(I2C_PMIC)) {
> + debug("Could not initialise PMIC\n");
> + return -1;
> + } else {
> + return 0;
> + }
> +}
> +#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..ce8c475
> --- /dev/null
> +++ b/board/samsung/smdk5420/smdk5420_spl.c
> @@ -0,0 +1,68 @@
> +/*
> + * Copyright (c) 2013 The Chromium OS Authors.
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +
> +#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 598561b..c514bf7 100644
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -329,6 +329,7 @@ s5pc210_universal arm armv7
> universal_c210 samsung
> snow arm armv7 smdk5250
> samsung exynos
> smdk5250 arm armv7 smdk5250
> samsung exynos
> smdkv310 arm armv7 smdkv310
> samsung exynos
> +smdk5420 arm armv7 smdk5420
> samsung exynos
>
Again this needs a rebase.
> trats arm armv7 trats
> samsung exynos
> harmony arm armv7:arm720t harmony
> nvidia tegra20
> seaboard arm armv7:arm720t seaboard
> nvidia tegra20
> diff --git a/tools/Makefile b/tools/Makefile
> index b941192..5ddfa80 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$(SFX)
>
This has changed also I think. I could not get this to build properly.
> BIN_FILES-$(CONFIG_MX23) += mxsboot$(SFX)
> BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX)
> BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX)
> @@ -88,6 +89,7 @@ NOPED_OBJ_FILES-y += omapimage.o
> NOPED_OBJ_FILES-y += mkenvimage.o
> NOPED_OBJ_FILES-y += mkimage.o
> OBJ_FILES-$(CONFIG_EXYNOS5250) += mkexynosspl.o
> +OBJ_FILES-$(CONFIG_EXYNOS5420) += mkexynosspl.o
> OBJ_FILES-$(CONFIG_MX23) += mxsboot.o
> OBJ_FILES-$(CONFIG_MX28) += mxsboot.o
> OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o
> --
> 1.7.12.4
>
>
Regards,
Simon
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