mirror of
https://github.com/AsahiLinux/u-boot
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1b245fee91
This provides SPL support for T30 boards - AVP early init, plus CPU (A9) init/jump to main U-Boot. Some changes were made to Tegra20 cpu.c to move common routines into tegra-common/cpu.c and reduce code duplication. Signed-off-by: Tom Warren <twarren@nvidia.com> Reviewed-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
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* (C) Copyright 2012
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* NVIDIA Inc, <www.nvidia.com>
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*
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* Allen Martin <amartin@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 <spl.h>
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#include <asm/io.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/pinmux.h>
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#include <asm/arch/tegra.h>
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#include <asm/arch-tegra/board.h>
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#include <asm/arch/spl.h>
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#include "cpu.h"
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void spl_board_init(void)
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{
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struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
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/* enable JTAG */
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writel(0xC0, &pmt->pmt_cfg_ctl);
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board_init_uart_f();
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/* Initialize periph GPIOs */
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gpio_early_init_uart();
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clock_early_init();
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preloader_console_init();
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}
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u32 spl_boot_device(void)
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{
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return BOOT_DEVICE_RAM;
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}
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void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
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{
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debug("image entry point: 0x%X\n", spl_image->entry_point);
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start_cpu((u32)spl_image->entry_point);
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halt_avp();
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}
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