1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2013 Freescale Semiconductor, Inc.
9 #include <env_internal.h>
15 #include <fsl_esdhc.h>
16 #include <spi_flash.h>
17 #include "../common/spl.h"
19 DECLARE_GLOBAL_DATA_PTR;
21 phys_size_t get_effective_memsize(void)
23 return CONFIG_SYS_L2_SIZE;
26 void board_init_f(ulong bootflag)
28 u32 plat_ratio, bus_clk;
29 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
33 /* Set pmuxcr to allow both i2c1 and i2c2 */
34 setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000);
35 setbits_be32(&gur->pmuxcr,
36 in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA);
38 /* Read back the register to synchronize the write. */
39 in_be32(&gur->pmuxcr);
41 #ifdef CONFIG_SPL_SPI_BOOT
42 clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
45 /* initialize selected port with appropriate baud rate */
46 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
48 bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
49 gd->bus_clk = bus_clk;
51 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
52 bus_clk / 16 / CONFIG_BAUDRATE);
53 #ifdef CONFIG_SPL_MMC_BOOT
54 puts("\nSD boot...\n");
55 #elif defined(CONFIG_SPL_SPI_BOOT)
56 puts("\nSPI Flash boot...\n");
59 /* copy code to RAM and jump to it - this should not return */
60 /* NOTE - code has to be copied out of NAND buffer before
61 * other blocks can be read.
63 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
66 void board_init_r(gd_t *gd, ulong dest_addr)
68 /* Pointer is writable since we allocated a register for it */
69 gd = (gd_t *)CONFIG_SPL_GD_ADDR;
72 memset(gd, 0, sizeof(gd_t));
73 bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t));
74 memset(bd, 0, sizeof(bd_t));
76 bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR;
77 bd->bi_memsize = CONFIG_SYS_L2_SIZE;
81 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
82 CONFIG_SPL_RELOC_MALLOC_SIZE);
83 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
85 #ifndef CONFIG_SPL_NAND_BOOT
88 #ifdef CONFIG_SPL_MMC_BOOT
91 /* relocate environment function pointers etc. */
92 #ifdef CONFIG_SPL_NAND_BOOT
93 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
94 (uchar *)SPL_ENV_ADDR);
95 gd->env_addr = (ulong)(SPL_ENV_ADDR);
96 gd->env_valid = ENV_VALID;
101 #ifdef CONFIG_SYS_I2C
104 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
108 #ifdef CONFIG_SPL_NAND_BOOT
109 puts("Tertiary program loader running in sram...");
111 puts("Second program loader running in sram...\n");
114 #ifdef CONFIG_SPL_MMC_BOOT
116 #elif defined(CONFIG_SPL_SPI_BOOT)
118 #elif defined(CONFIG_SPL_NAND_BOOT)