projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| cba69eee IC |
1 | /* |
| 2 | * (C) Copyright 2012-2013 Henrik Nordstrom <henrik@henriknordstrom.net> | |
| 3 | * (C) Copyright 2013 Luke Kenneth Casson Leighton <lkcl@lkcl.net> | |
| 4 | * | |
| 5 | * (C) Copyright 2007-2011 | |
| 6 | * Allwinner Technology Co., Ltd. <www.allwinnertech.com> | |
| 7 | * Tom Cubie <tangliang@allwinnertech.com> | |
| 8 | * | |
| 9 | * Some board init for the Allwinner A10-evb board. | |
| 10 | * | |
| 11 | * SPDX-License-Identifier: GPL-2.0+ | |
| 12 | */ | |
| 13 | ||
| 14 | #include <common.h> | |
| 15 | #include <asm/arch/clock.h> | |
| 16 | #include <asm/arch/dram.h> | |
| 17 | ||
| 18 | DECLARE_GLOBAL_DATA_PTR; | |
| 19 | ||
| 20 | /* add board specific code here */ | |
| 21 | int board_init(void) | |
| 22 | { | |
| 23 | int id_pfr1; | |
| 24 | ||
| 25 | gd->bd->bi_boot_params = (PHYS_SDRAM_0 + 0x100); | |
| 26 | ||
| 27 | asm volatile("mrc p15, 0, %0, c0, c1, 1" : "=r"(id_pfr1)); | |
| 28 | debug("id_pfr1: 0x%08x\n", id_pfr1); | |
| 29 | /* Generic Timer Extension available? */ | |
| 30 | if ((id_pfr1 >> 16) & 0xf) { | |
| 31 | debug("Setting CNTFRQ\n"); | |
| 32 | /* CNTFRQ == 24 MHz */ | |
| 33 | asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r"(24000000)); | |
| 34 | } | |
| 35 | ||
| 36 | return 0; | |
| 37 | } | |
| 38 | ||
| 39 | int dram_init(void) | |
| 40 | { | |
| 41 | gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0, PHYS_SDRAM_0_SIZE); | |
| 42 | ||
| 43 | return 0; | |
| 44 | } | |
| 45 | ||
| 46 | #ifdef CONFIG_SPL_BUILD | |
| 47 | void sunxi_board_init(void) | |
| 48 | { | |
| 49 | unsigned long ramsize; | |
| 50 | ||
| 51 | printf("DRAM:"); | |
| 52 | ramsize = sunxi_dram_init(); | |
| 53 | printf(" %lu MiB\n", ramsize >> 20); | |
| 54 | if (!ramsize) | |
| 55 | hang(); | |
| 56 | } | |
| 57 | #endif |