| // SPDX-License-Identifier: GPL-2.0+ |
| /* Copyright 2013 Freescale Semiconductor, Inc. |
| */ |
| |
| #include <common.h> |
| #include <console.h> |
| #include <env.h> |
| #include <env_internal.h> |
| #include <asm/spl.h> |
| #include <malloc.h> |
| #include <ns16550.h> |
| #include <nand.h> |
| #include <i2c.h> |
| #include "../common/qixis.h" |
| #include "b4860qds_qixis.h" |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| phys_size_t get_effective_memsize(void) |
| { |
| return CONFIG_SYS_L3_SIZE; |
| } |
| |
| unsigned long get_board_sys_clk(void) |
| { |
| u8 sysclk_conf = QIXIS_READ(brdcfg[1]); |
| |
| switch ((sysclk_conf & 0x0C) >> 2) { |
| case QIXIS_CLK_100: |
| return 100000000; |
| case QIXIS_CLK_125: |
| return 125000000; |
| case QIXIS_CLK_133: |
| return 133333333; |
| } |
| return 66666666; |
| } |
| |
| unsigned long get_board_ddr_clk(void) |
| { |
| u8 ddrclk_conf = QIXIS_READ(brdcfg[1]); |
| |
| switch (ddrclk_conf & 0x03) { |
| case QIXIS_CLK_100: |
| return 100000000; |
| case QIXIS_CLK_125: |
| return 125000000; |
| case QIXIS_CLK_133: |
| return 133333333; |
| } |
| return 66666666; |
| } |
| |
| void board_init_f(ulong bootflag) |
| { |
| u32 plat_ratio, sys_clk, uart_clk; |
| ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; |
| |
| /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */ |
| memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t)); |
| |
| /* Update GD pointer */ |
| gd = (gd_t *)(CONFIG_SPL_GD_ADDR); |
| |
| /* compiler optimization barrier needed for GCC >= 3.4 */ |
| __asm__ __volatile__("" : : : "memory"); |
| |
| console_init_f(); |
| |
| /* initialize selected port with appropriate baud rate */ |
| sys_clk = get_board_sys_clk(); |
| plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; |
| uart_clk = sys_clk * plat_ratio / 2; |
| |
| NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, |
| uart_clk / 16 / CONFIG_BAUDRATE); |
| |
| relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0); |
| } |
| |
| void board_init_r(gd_t *gd, ulong dest_addr) |
| { |
| bd_t *bd; |
| |
| bd = (bd_t *)(gd + sizeof(gd_t)); |
| memset(bd, 0, sizeof(bd_t)); |
| gd->bd = bd; |
| bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR; |
| bd->bi_memsize = CONFIG_SYS_L3_SIZE; |
| |
| arch_cpu_init(); |
| get_clocks(); |
| mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, |
| CONFIG_SPL_RELOC_MALLOC_SIZE); |
| gd->flags |= GD_FLG_FULL_MALLOC_INIT; |
| |
| #ifndef CONFIG_SPL_NAND_BOOT |
| env_init(); |
| env_relocate(); |
| #else |
| /* relocate environment function pointers etc. */ |
| nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, |
| (uchar *)SPL_ENV_ADDR); |
| gd->env_addr = (ulong)(SPL_ENV_ADDR); |
| gd->env_valid = ENV_VALID; |
| #endif |
| |
| i2c_init_all(); |
| |
| puts("\n\n"); |
| |
| dram_init(); |
| |
| #ifdef CONFIG_SPL_NAND_BOOT |
| nand_boot(); |
| #endif |
| } |