1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2013 Freescale Semiconductor, Inc.
9 #include <env_internal.h>
15 #include "../common/ngpixis.h"
16 #include <fsl_esdhc.h>
17 #include <spi_flash.h>
18 #include "../common/spl.h"
20 DECLARE_GLOBAL_DATA_PTR;
22 static const u32 sysclk_tbl[] = {
23 66666000, 7499900, 83332500, 8999900,
24 99999000, 11111000, 12499800, 13333200
27 phys_size_t get_effective_memsize(void)
29 return CONFIG_SYS_L2_SIZE;
32 void board_init_f(ulong bootflag)
35 u32 plat_ratio, sys_clk, bus_clk;
36 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
40 /* Set pmuxcr to allow both i2c1 and i2c2 */
41 setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000);
42 setbits_be32(&gur->pmuxcr,
43 in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA);
45 #ifdef CONFIG_SPL_SPI_BOOT
47 clrsetbits_8(&pixis->brdcfg0, PIXIS_ELBC_SPI_MASK, PIXIS_SPI);
50 /* Read back the register to synchronize the write. */
51 in_be32(&gur->pmuxcr);
53 /* initialize selected port with appropriate baud rate */
54 px_spd = in_8((unsigned char *)(PIXIS_BASE + PIXIS_SPD));
55 sys_clk = sysclk_tbl[px_spd & PIXIS_SPD_SYSCLK_MASK];
56 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
57 bus_clk = sys_clk * plat_ratio / 2;
59 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
60 bus_clk / 16 / CONFIG_BAUDRATE);
61 #ifdef CONFIG_SPL_MMC_BOOT
62 puts("\nSD boot...\n");
63 #elif defined(CONFIG_SPL_SPI_BOOT)
64 puts("\nSPI Flash boot...\n");
67 /* copy code to RAM and jump to it - this should not return */
68 /* NOTE - code has to be copied out of NAND buffer before
69 * other blocks can be read.
71 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
74 void board_init_r(gd_t *gd, ulong dest_addr)
76 /* Pointer is writable since we allocated a register for it */
77 gd = (gd_t *)CONFIG_SPL_GD_ADDR;
80 memset(gd, 0, sizeof(gd_t));
81 bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t));
82 memset(bd, 0, sizeof(bd_t));
84 bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR;
85 bd->bi_memsize = CONFIG_SYS_L2_SIZE;
89 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
90 CONFIG_SPL_RELOC_MALLOC_SIZE);
91 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
92 #ifndef CONFIG_SPL_NAND_BOOT
95 #ifdef CONFIG_SPL_MMC_BOOT
98 /* relocate environment function pointers etc. */
99 #ifdef CONFIG_SPL_NAND_BOOT
100 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
101 (uchar *)CONFIG_ENV_ADDR);
103 gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
104 gd->env_valid = ENV_VALID;
109 #ifdef CONFIG_SYS_I2C
112 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
116 #ifdef CONFIG_SPL_NAND_BOOT
117 puts("Tertiary program loader running in sram...");
119 puts("Second program loader running in sram...\n");
122 #ifdef CONFIG_SPL_MMC_BOOT
124 #elif defined(CONFIG_SPL_SPI_BOOT)
126 #elif defined(CONFIG_SPL_NAND_BOOT)