forked from rrcarlosr/Jetpack
98 lines
2.0 KiB
C
98 lines
2.0 KiB
C
|
/*
|
||
|
* Copyright 2015 Freescale Semiconductor, Inc.
|
||
|
*
|
||
|
* Author: Chunhe Lan <Chunhe.Lan@freescale.com>
|
||
|
*
|
||
|
* SPDX-License-Identifier: GPL-2.0+
|
||
|
*/
|
||
|
|
||
|
#include <common.h>
|
||
|
#include <console.h>
|
||
|
#include <asm/spl.h>
|
||
|
#include <malloc.h>
|
||
|
#include <ns16550.h>
|
||
|
#include <nand.h>
|
||
|
#include <mmc.h>
|
||
|
#include <fsl_esdhc.h>
|
||
|
#include <i2c.h>
|
||
|
|
||
|
#include "t4rdb.h"
|
||
|
|
||
|
#define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000
|
||
|
|
||
|
DECLARE_GLOBAL_DATA_PTR;
|
||
|
|
||
|
phys_size_t get_effective_memsize(void)
|
||
|
{
|
||
|
return CONFIG_SYS_L3_SIZE;
|
||
|
}
|
||
|
|
||
|
unsigned long get_board_sys_clk(void)
|
||
|
{
|
||
|
return CONFIG_SYS_CLK_FREQ;
|
||
|
}
|
||
|
|
||
|
unsigned long get_board_ddr_clk(void)
|
||
|
{
|
||
|
return CONFIG_DDR_CLK_FREQ;
|
||
|
}
|
||
|
|
||
|
void board_init_f(ulong bootflag)
|
||
|
{
|
||
|
u32 plat_ratio, sys_clk, ccb_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;
|
||
|
ccb_clk = sys_clk * plat_ratio / 2;
|
||
|
|
||
|
NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
|
||
|
ccb_clk / 16 / CONFIG_BAUDRATE);
|
||
|
|
||
|
puts("\nSD boot...\n");
|
||
|
|
||
|
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;
|
||
|
|
||
|
probecpu();
|
||
|
get_clocks();
|
||
|
mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
|
||
|
CONFIG_SPL_RELOC_MALLOC_SIZE);
|
||
|
gd->flags |= GD_FLG_FULL_MALLOC_INIT;
|
||
|
|
||
|
mmc_initialize(bd);
|
||
|
mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
|
||
|
(uchar *)CONFIG_ENV_ADDR);
|
||
|
|
||
|
gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
|
||
|
gd->env_valid = 1;
|
||
|
|
||
|
i2c_init_all();
|
||
|
|
||
|
gd->ram_size = initdram(0);
|
||
|
|
||
|
mmc_boot();
|
||
|
}
|