[U-Boot] [PATCH 06/10 V4] Exynos5420: Add base patch for SMDK5420
Simon Glass
sjg at chromium.org
Tue Oct 8 19:37:58 CEST 2013
Hi Rajeshwari,
On Fri, Sep 27, 2013 at 6:10 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
> 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;
> +}
>
Can the above two functions go into the board/samsung/common/board.c file
perhaps?
Regards,
Simon
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