mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 02:38:56 +00:00
9b6b3c1b50
Enable the debug UART in SPL to allow early serial output even if the standard UART does not work (e.g. due to driver model problem). Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Tested-on: Beaver, Jetson-TK1 Tested-by: Stephen Warren <swarren@nvidia.com>
53 lines
1,023 B
C
53 lines
1,023 B
C
/*
|
|
* (C) Copyright 2012
|
|
* NVIDIA Inc, <www.nvidia.com>
|
|
*
|
|
* Allen Martin <amartin@nvidia.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#include <common.h>
|
|
#include <debug_uart.h>
|
|
#include <spl.h>
|
|
|
|
#include <asm/io.h>
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/pinmux.h>
|
|
#include <asm/arch/tegra.h>
|
|
#include <asm/arch-tegra/apb_misc.h>
|
|
#include <asm/arch-tegra/board.h>
|
|
#include <asm/spl.h>
|
|
#include "cpu.h"
|
|
|
|
void spl_board_init(void)
|
|
{
|
|
struct apb_misc_pp_ctlr *apb_misc =
|
|
(struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
|
|
|
|
/* enable JTAG */
|
|
writel(0xC0, &apb_misc->cfg_ctl);
|
|
|
|
board_init_uart_f();
|
|
|
|
/* Initialize periph GPIOs */
|
|
gpio_early_init_uart();
|
|
|
|
clock_early_init();
|
|
#ifdef CONFIG_DEBUG_UART
|
|
debug_uart_init();
|
|
#endif
|
|
preloader_console_init();
|
|
}
|
|
|
|
u32 spl_boot_device(void)
|
|
{
|
|
return BOOT_DEVICE_RAM;
|
|
}
|
|
|
|
void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
|
|
{
|
|
debug("image entry point: 0x%lX\n", spl_image->entry_point);
|
|
|
|
start_cpu((u32)spl_image->entry_point);
|
|
halt_avp();
|
|
}
|