arch/arm/cpu/arm720t/tegra-common/spl.c

   1 /*
   2  * (C) Copyright 2012
   3  * NVIDIA Inc, <www.nvidia.com>
   4  *
   5  * Allen Martin <amartin@nvidia.com>
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9 #include <common.h>
  10 #include <spl.h>
  11
  12 #include <asm/io.h>
  13 #include <asm/arch/clock.h>
  14 #include <asm/arch/pinmux.h>
  15 #include <asm/arch/tegra.h>
  16 #include <asm/arch-tegra/board.h>
  17 #include <asm/arch/spl.h>
  18 #include "cpu.h"
  19
  20 void spl_board_init(void)
  21 {
  22         struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
  23
  24         /* enable JTAG */
  25         writel(0xC0, &pmt->pmt_cfg_ctl);
  26
  27         board_init_uart_f();
  28
  29         /* Initialize periph GPIOs */
  30         gpio_early_init_uart();
  31
  32         clock_early_init();
  33         preloader_console_init();
  34 }
  35
  36 u32 spl_boot_device(void)
  37 {
  38         return BOOT_DEVICE_RAM;
  39 }
  40
  41 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
  42 {
  43         debug("image entry point: 0x%X\n", spl_image->entry_point);
  44
  45         start_cpu((u32)spl_image->entry_point);
  46         halt_avp();
  47 }