Blame - arch/arm/mach-tegra/spl.c - platform/external/u-boot

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Tom Rini	83d290c	2018-05-06 17:58:06 -0400	[diff] [blame]	1	// SPDX-License-Identifier: GPL-2.0+
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	2	/*
				3	* (C) Copyright 2012
				4	* NVIDIA Inc, <www.nvidia.com>
				5	*
				6	* Allen Martin <amartin@nvidia.com>
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	7	*/
				8	#include <common.h>
Simon Glass	9b6b3c1	2017-07-25 08:29:57 -0600	[diff] [blame]	9	#include <debug_uart.h>
Allen Martin	b2f9893	2012-10-19 21:08:23 +0000	[diff] [blame]	10	#include <spl.h>
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	11
				12	#include <asm/io.h>
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	13	#include <asm/arch/clock.h>
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	14	#include <asm/arch/pinmux.h>
Tom Warren	150c249	2012-09-19 15:50:56 -0700	[diff] [blame]	15	#include <asm/arch/tegra.h>
Stephen Warren	19ed7b4	2014-03-21 12:28:53 -0600	[diff] [blame]	16	#include <asm/arch-tegra/apb_misc.h>
Lucas Stach	516f00b	2012-09-29 10:02:08 +0000	[diff] [blame]	17	#include <asm/arch-tegra/board.h>
Masahiro Yamada	9f2ec3f	2014-04-23 21:20:43 +0900	[diff] [blame]	18	#include <asm/spl.h>
Tom Warren	1b245fe	2012-12-11 13:34:13 +0000	[diff] [blame]	19	#include "cpu.h"
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	20
Allen Martin	b2f9893	2012-10-19 21:08:23 +0000	[diff] [blame]	21	void spl_board_init(void)
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	22	{
Stephen Warren	19ed7b4	2014-03-21 12:28:53 -0600	[diff] [blame]	23	struct apb_misc_pp_ctlr *apb_misc =
				24	(struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	25
				26	/* enable JTAG */
Stephen Warren	19ed7b4	2014-03-21 12:28:53 -0600	[diff] [blame]	27	writel(0xC0, &apb_misc->cfg_ctl);
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	28
Allen Martin	b2f9893	2012-10-19 21:08:23 +0000	[diff] [blame]	29	board_init_uart_f();
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	30
Allen Martin	b2f9893	2012-10-19 21:08:23 +0000	[diff] [blame]	31	/* Initialize periph GPIOs */
				32	gpio_early_init_uart();
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	33
				34	clock_early_init();
Simon Glass	9b6b3c1	2017-07-25 08:29:57 -0600	[diff] [blame]	35	#ifdef CONFIG_DEBUG_UART
				36	debug_uart_init();
				37	#endif
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	38	preloader_console_init();
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	39	}
				40
Allen Martin	b2f9893	2012-10-19 21:08:23 +0000	[diff] [blame]	41	u32 spl_boot_device(void)
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	42	{
Allen Martin	b2f9893	2012-10-19 21:08:23 +0000	[diff] [blame]	43	return BOOT_DEVICE_RAM;
				44	}
				45
				46	void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
				47	{
Andre Przywara	11e1479	2017-01-02 11:48:31 +0000	[diff] [blame]	48	debug("image entry point: 0x%lX\n", spl_image->entry_point);
Allen Martin	b2f9893	2012-10-19 21:08:23 +0000	[diff] [blame]	49
				50	start_cpu((u32)spl_image->entry_point);
				51	halt_avp();
Allen Martin	c037c93	2012-08-31 08:30:09 +0000	[diff] [blame]	52	}