diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/arm720t/tegra-common/spl.c | 91 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra20/spl.h | 28 |
2 files changed, 42 insertions, 77 deletions
diff --git a/arch/arm/cpu/arm720t/tegra-common/spl.c b/arch/arm/cpu/arm720t/tegra-common/spl.c index 0d37ce8..c280ab7 100644 --- a/arch/arm/cpu/arm720t/tegra-common/spl.c +++ b/arch/arm/cpu/arm720t/tegra-common/spl.c @@ -23,105 +23,42 @@ * MA 02111-1307 USA */ #include <common.h> -#include <asm/u-boot.h> -#include <asm/utils.h> -#include <nand.h> -#include <mmc.h> -#include <fat.h> -#include <version.h> -#include <i2c.h> -#include <image.h> -#include <malloc.h> -#include <linux/compiler.h> #include "cpu.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/board.h> -#include <asm/arch-tegra/clk_rst.h> -#include <asm/arch-tegra/pmc.h> -#include <asm/arch-tegra/scu.h> -#include <asm/arch-tegra/sys_proto.h> +#include <asm/arch/spl.h> -DECLARE_GLOBAL_DATA_PTR; -/* Define global data structure pointer to it*/ -static gd_t gdata __attribute__ ((section(".data"))); -static bd_t bdata __attribute__ ((section(".data"))); - -inline void hang(void) +void spl_board_init(void) { - puts("### ERROR ### Please RESET the board ###\n"); - for (;;) - ; -} + struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; + + /* enable JTAG */ + writel(0xC0, &pmt->pmt_cfg_ctl); -void board_init_f(ulong dummy) -{ board_init_uart_f(); /* Initialize periph GPIOs */ gpio_early_init_uart(); - /* - * We call relocate_code() with relocation target same as the - * CONFIG_SYS_SPL_TEXT_BASE. This will result in relocation getting - * skipped. Instead, only .bss initialization will happen. That's - * all we need - */ - debug(">>board_init_f()\n"); - relocate_code(CONFIG_SPL_STACK, &gdata, CONFIG_SPL_TEXT_BASE); + clock_early_init(); + preloader_console_init(); } -/* This requires UART clocks to be enabled */ -static void preloader_console_init(void) +u32 spl_boot_device(void) { - const char *u_boot_rev = U_BOOT_VERSION; - - gd = &gdata; - gd->bd = &bdata; - gd->flags |= GD_FLG_RELOC; - gd->baudrate = CONFIG_BAUDRATE; - - serial_init(); /* serial communications setup */ - - gd->have_console = 1; - - /* Avoid a second "U-Boot" coming from this string */ - u_boot_rev = &u_boot_rev[7]; - - printf("\nU-Boot SPL %s (%s - %s)\n", u_boot_rev, U_BOOT_DATE, - U_BOOT_TIME); + return BOOT_DEVICE_RAM; } -void board_init_r(gd_t *id, ulong dummy) +void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) { - struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; - - /* enable JTAG */ - writel(0xC0, &pmt->pmt_cfg_ctl); - - debug(">>spl:board_init_r()\n"); - - mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START, - CONFIG_SYS_SPL_MALLOC_SIZE); - -#ifdef CONFIG_SPL_BOARD_INIT - spl_board_init(); -#endif + debug("image entry point: 0x%X\n", spl_image->entry_point); - clock_early_init(); - serial_init(); - preloader_console_init(); - - start_cpu((u32)CONFIG_SYS_TEXT_BASE); + start_cpu((u32)spl_image->entry_point); halt_avp(); - /* not reached */ -} - -int board_usb_init(const void *blob) -{ - return 0; } diff --git a/arch/arm/include/asm/arch-tegra20/spl.h b/arch/arm/include/asm/arch-tegra20/spl.h new file mode 100644 index 0000000..5e453c5 --- /dev/null +++ b/arch/arm/include/asm/arch-tegra20/spl.h @@ -0,0 +1,28 @@ +/* + * (C) Copyright 2012 + * NVIDIA Corporation <www.nvidia.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef _ASM_ARCH_SPL_H_ +#define _ASM_ARCH_SPL_H_ + +#define BOOT_DEVICE_RAM 1 + +#endif |