1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2013 Freescale Semiconductor, Inc.
8 #include <environment.h>
14 #include <fsl_esdhc.h>
15 #include <spi_flash.h>
16 #include "../common/spl.h"
18 DECLARE_GLOBAL_DATA_PTR;
20 phys_size_t get_effective_memsize(void)
22 return CONFIG_SYS_L2_SIZE;
25 void board_init_f(ulong bootflag)
27 u32 plat_ratio, bus_clk;
28 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
32 /* Set pmuxcr to allow both i2c1 and i2c2 */
33 setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000);
34 setbits_be32(&gur->pmuxcr,
35 in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA);
37 /* Read back the register to synchronize the write. */
38 in_be32(&gur->pmuxcr);
40 #ifdef CONFIG_SPL_SPI_BOOT
41 clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
44 /* initialize selected port with appropriate baud rate */
45 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
47 bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
48 gd->bus_clk = bus_clk;
50 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
51 bus_clk / 16 / CONFIG_BAUDRATE);
52 #ifdef CONFIG_SPL_MMC_BOOT
53 puts("\nSD boot...\n");
54 #elif defined(CONFIG_SPL_SPI_BOOT)
55 puts("\nSPI Flash boot...\n");
58 /* copy code to RAM and jump to it - this should not return */
59 /* NOTE - code has to be copied out of NAND buffer before
60 * other blocks can be read.
62 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
65 void board_init_r(gd_t *gd, ulong dest_addr)
67 /* Pointer is writable since we allocated a register for it */
68 gd = (gd_t *)CONFIG_SPL_GD_ADDR;
71 memset(gd, 0, sizeof(gd_t));
72 bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t));
73 memset(bd, 0, sizeof(bd_t));
75 bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR;
76 bd->bi_memsize = CONFIG_SYS_L2_SIZE;
80 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
81 CONFIG_SPL_RELOC_MALLOC_SIZE);
82 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
84 #ifndef CONFIG_SPL_NAND_BOOT
87 #ifdef CONFIG_SPL_MMC_BOOT
90 /* relocate environment function pointers etc. */
91 #ifdef CONFIG_SPL_NAND_BOOT
92 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
93 (uchar *)CONFIG_ENV_ADDR);
94 gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
95 gd->env_valid = ENV_VALID;
100 #ifdef CONFIG_SYS_I2C
103 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
107 #ifdef CONFIG_SPL_NAND_BOOT
108 puts("Tertiary program loader running in sram...");
110 puts("Second program loader running in sram...\n");
113 #ifdef CONFIG_SPL_MMC_BOOT
115 #elif defined(CONFIG_SPL_SPI_BOOT)
117 #elif defined(CONFIG_SPL_NAND_BOOT)