[U-Boot] [PATCH 06/10 V4] Exynos5420: Add base patch for SMDK5420
Rajeshwari Birje
rajeshwari.birje at gmail.com
Wed Oct 9 15:28:53 CEST 2013
Hi Simon,
I guess you meant decode_sromc and board_eth_init functions.
Will add them in board.c and send next version.
Regards,
Rajeshwari Shinde
On Tue, Oct 8, 2013 at 11:07 PM, Simon Glass <sjg at chromium.org> wrote:
> 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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--
Regards,
Rajeshwari Shinde
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