mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-15 23:56:23 +09:00
a49716aa7c
Move warmboot_save_sdram_params() to later in the boot sequence. This code relies on devicetree to get the address of the memory controller and with upcoming changes for SPL boot it gets called early in the boot process when devicetree is not initialized yet. Signed-off-by: Allen Martin <amartin@nvidia.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Tom Warren <twarren@nvidia.com>
167 lines
3.6 KiB
C
167 lines
3.6 KiB
C
/*
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* (C) Copyright 2010,2011
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* NVIDIA Corporation <www.nvidia.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <ns16550.h>
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#include <linux/compiler.h>
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#include <asm/io.h>
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#include <asm/arch/tegra20.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/board.h>
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#include <asm/arch/clk_rst.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/emc.h>
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#include <asm/arch/pinmux.h>
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#include <asm/arch/pmc.h>
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#include <asm/arch/pmu.h>
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#include <asm/arch/uart.h>
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#include <asm/arch/warmboot.h>
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#include <spi.h>
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#include <asm/arch/usb.h>
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#include <i2c.h>
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#include "board.h"
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#include "emc.h"
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DECLARE_GLOBAL_DATA_PTR;
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const struct tegra20_sysinfo sysinfo = {
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CONFIG_TEGRA20_BOARD_STRING
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};
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#ifndef CONFIG_SPL_BUILD
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/*
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* Routine: timer_init
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* Description: init the timestamp and lastinc value
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*/
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int timer_init(void)
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{
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return 0;
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}
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#endif
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void __pin_mux_usb(void)
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{
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}
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void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
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void __pin_mux_spi(void)
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{
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}
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void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
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/*
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* Routine: power_det_init
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* Description: turn off power detects
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*/
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static void power_det_init(void)
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{
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#if defined(CONFIG_TEGRA20)
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struct pmc_ctlr *const pmc = (struct pmc_ctlr *)TEGRA20_PMC_BASE;
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/* turn off power detects */
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writel(0, &pmc->pmc_pwr_det_latch);
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writel(0, &pmc->pmc_pwr_det);
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#endif
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}
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/*
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* Routine: board_init
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* Description: Early hardware init.
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*/
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int board_init(void)
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{
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__maybe_unused int err;
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/* Do clocks and UART first so that printf() works */
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clock_init();
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clock_verify();
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#ifdef CONFIG_SPI_UART_SWITCH
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gpio_config_uart();
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#endif
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#ifdef CONFIG_TEGRA_SPI
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pin_mux_spi();
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spi_init();
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#endif
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/* boot param addr */
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gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
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power_det_init();
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#ifdef CONFIG_TEGRA_I2C
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#ifndef CONFIG_SYS_I2C_INIT_BOARD
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#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
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#endif
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i2c_init_board();
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# ifdef CONFIG_TEGRA_PMU
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if (pmu_set_nominal())
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debug("Failed to select nominal voltages\n");
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# ifdef CONFIG_TEGRA_CLOCK_SCALING
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err = board_emc_init();
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if (err)
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debug("Memory controller init failed: %d\n", err);
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# endif
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# endif /* CONFIG_TEGRA_PMU */
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#endif /* CONFIG_TEGRA_I2C */
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#ifdef CONFIG_USB_EHCI_TEGRA
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pin_mux_usb();
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board_usb_init(gd->fdt_blob);
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#endif
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#ifdef CONFIG_TEGRA20_LP0
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/* save Sdram params to PMC 2, 4, and 24 for WB0 */
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warmboot_save_sdram_params();
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/* prepare the WB code to LP0 location */
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warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
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#endif
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return 0;
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}
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#ifdef CONFIG_BOARD_EARLY_INIT_F
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static void __gpio_early_init(void)
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{
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}
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void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
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int board_early_init_f(void)
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{
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board_init_uart_f();
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/* Initialize periph GPIOs */
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gpio_early_init();
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#ifdef CONFIG_SPI_UART_SWITCH
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gpio_early_init_uart();
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#else
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gpio_config_uart();
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#endif
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return 0;
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}
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#endif /* EARLY_INIT */
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