spl.c
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/* Copyright 2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <console.h>
#include <environment.h>
#include <malloc.h>
#include <ns16550.h>
#include <nand.h>
#include <i2c.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <spi_flash.h>
#include "../common/qixis.h"
#include "t102xqds_qixis.h"
#include "../common/spl.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 & 0x0F) {
case QIXIS_SYSCLK_83:
return 83333333;
case QIXIS_SYSCLK_100:
return 100000000;
case QIXIS_SYSCLK_125:
return 125000000;
case QIXIS_SYSCLK_133:
return 133333333;
case QIXIS_SYSCLK_150:
return 150000000;
case QIXIS_SYSCLK_160:
return 160000000;
case QIXIS_SYSCLK_166:
return 166666666;
}
return 66666666;
}
unsigned long get_board_ddr_clk(void)
{
u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
switch ((ddrclk_conf & 0x30) >> 4) {
case QIXIS_DDRCLK_100:
return 100000000;
case QIXIS_DDRCLK_125:
return 125000000;
case QIXIS_DDRCLK_133:
return 133333333;
}
return 66666666;
}
void board_init_f(ulong bootflag)
{
u32 plat_ratio, sys_clk, ccb_clk;
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
#if defined(CONFIG_ARCH_T1040) && defined(CONFIG_SPL_NAND_BOOT)
/*
* There is T1040 SoC issue where NOR, FPGA are inaccessible during
* NAND boot because IFC signals > IFC_AD7 are not enabled.
* This workaround changes RCW source to make all signals enabled.
*/
u32 porsr1, pinctl;
#define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000
porsr1 = in_be32(&gur->porsr1);
pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK)) | 0x24800000);
out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000), pinctl);
#endif
/* 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);
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);
#if defined(CONFIG_SPL_MMC_BOOT)
puts("\nSD boot...\n");
#elif defined(CONFIG_SPL_SPI_BOOT)
puts("\nSPI boot...\n");
#elif defined(CONFIG_SPL_NAND_BOOT)
puts("\nNAND boot...\n");
#endif
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;
#ifdef CONFIG_SPL_NAND_BOOT
nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
(uchar *)CONFIG_ENV_ADDR);
#endif
#ifdef CONFIG_SPL_MMC_BOOT
mmc_initialize(bd);
mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
(uchar *)CONFIG_ENV_ADDR);
#endif
#ifdef CONFIG_SPL_SPI_BOOT
fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
(uchar *)CONFIG_ENV_ADDR);
#endif
gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
gd->env_valid = ENV_VALID;
i2c_init_all();
dram_init();
#ifdef CONFIG_SPL_MMC_BOOT
mmc_boot();
#elif defined(CONFIG_SPL_SPI_BOOT)
fsl_spi_boot();
#elif defined(CONFIG_SPL_NAND_BOOT)
nand_boot();
#endif
}