Hi Rajeshwari, On Fri, Sep 27, 2013 at 6:10 AM, Rajeshwari S Shinde < [email protected]> 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 <[email protected]> > Signed-off-by: Akshay Saraswat <[email protected]> > --- > 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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