u-boot/board/freescale/t104xrdb/spl.c

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/* Copyright 2013 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.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 <asm/mpc85xx_gpio.h>
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;
}
#define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000
void board_init_f(ulong bootflag)
{
u32 plat_ratio, sys_clk, uart_clk;
#ifdef CONFIG_SPL_NAND_BOOT
u32 porsr1, pinctl;
#endif
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
#ifdef 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.
*/
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);
#ifdef CONFIG_DEEP_SLEEP
/* disable the console if boot from deep sleep */
if (in_be32(&gur->scrtsr[0]) & (1 << 3))
gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE;
#endif
/* 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;
probecpu();
get_clocks();
mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
CONFIG_SPL_RELOC_MALLOC_SIZE);
#ifdef CONFIG_SPL_MMC_BOOT
mmc_initialize(bd);
#endif
/* relocate environment function pointers etc. */
#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_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
(uchar *)CONFIG_ENV_ADDR);
#endif
#ifdef CONFIG_SPL_SPI_BOOT
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 = 1;
i2c_init_all();
puts("\n\n");
gd->ram_size = initdram(0);
#ifdef CONFIG_SPL_MMC_BOOT
mmc_boot();
#elif defined(CONFIG_SPL_SPI_BOOT)
spi_boot();
#elif defined(CONFIG_SPL_NAND_BOOT)
nand_boot();
#endif
}
#ifdef CONFIG_DEEP_SLEEP
void board_mem_sleep_setup(void)
{
void __iomem *cpld_base = (void *)CONFIG_SYS_CPLD_BASE;
/* does not provide HW signals for power management */
clrbits_8(cpld_base + 0x17, 0x40);
/* Disable MCKE isolation */
gpio_set_value(2, 0);
udelay(1);
}
#endif