1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2013 Freescale Semiconductor, Inc.
9 #include <env_internal.h>
16 #include "../common/ngpixis.h"
17 #include <fsl_esdhc.h>
18 #include <spi_flash.h>
19 #include "../common/spl.h"
21 DECLARE_GLOBAL_DATA_PTR;
23 static const u32 sysclk_tbl[] = {
24 66666000, 7499900, 83332500, 8999900,
25 99999000, 11111000, 12499800, 13333200
28 phys_size_t get_effective_memsize(void)
30 return CONFIG_SYS_L2_SIZE;
33 void board_init_f(ulong bootflag)
36 u32 plat_ratio, sys_clk, bus_clk;
37 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
41 /* Set pmuxcr to allow both i2c1 and i2c2 */
42 setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000);
43 setbits_be32(&gur->pmuxcr,
44 in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA);
46 #ifdef CONFIG_SPL_SPI_BOOT
48 clrsetbits_8(&pixis->brdcfg0, PIXIS_ELBC_SPI_MASK, PIXIS_SPI);
51 /* Read back the register to synchronize the write. */
52 in_be32(&gur->pmuxcr);
54 /* initialize selected port with appropriate baud rate */
55 px_spd = in_8((unsigned char *)(PIXIS_BASE + PIXIS_SPD));
56 sys_clk = sysclk_tbl[px_spd & PIXIS_SPD_SYSCLK_MASK];
57 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
58 bus_clk = sys_clk * plat_ratio / 2;
60 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
61 bus_clk / 16 / CONFIG_BAUDRATE);
62 #ifdef CONFIG_SPL_MMC_BOOT
63 puts("\nSD boot...\n");
64 #elif defined(CONFIG_SPL_SPI_BOOT)
65 puts("\nSPI Flash boot...\n");
68 /* copy code to RAM and jump to it - this should not return */
69 /* NOTE - code has to be copied out of NAND buffer before
70 * other blocks can be read.
72 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
75 void board_init_r(gd_t *gd, ulong dest_addr)
77 /* Pointer is writable since we allocated a register for it */
78 gd = (gd_t *)CONFIG_SPL_GD_ADDR;
81 memset(gd, 0, sizeof(gd_t));
82 bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t));
83 memset(bd, 0, sizeof(bd_t));
85 bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR;
86 bd->bi_memsize = CONFIG_SYS_L2_SIZE;
90 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
91 CONFIG_SPL_RELOC_MALLOC_SIZE);
92 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
93 #ifndef CONFIG_SPL_NAND_BOOT
96 #ifdef CONFIG_SPL_MMC_BOOT
99 /* relocate environment function pointers etc. */
100 #ifdef CONFIG_SPL_NAND_BOOT
101 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
102 (uchar *)SPL_ENV_ADDR);
104 gd->env_addr = (ulong)(SPL_ENV_ADDR);
105 gd->env_valid = ENV_VALID;
110 #ifdef CONFIG_SYS_I2C
113 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
117 #ifdef CONFIG_SPL_NAND_BOOT
118 puts("Tertiary program loader running in sram...");
120 puts("Second program loader running in sram...\n");
123 #ifdef CONFIG_SPL_MMC_BOOT
125 #elif defined(CONFIG_SPL_SPI_BOOT)
127 #elif defined(CONFIG_SPL_NAND_BOOT)