2 * Copyright 2013 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
13 #include <fsl_esdhc.h>
14 #include <spi_flash.h>
16 DECLARE_GLOBAL_DATA_PTR;
18 static const u32 sysclk_tbl[] = {
19 66666000, 7499900, 83332500, 8999900,
20 99999000, 11111000, 12499800, 13333200
23 ulong get_effective_memsize(void)
25 return CONFIG_SYS_L2_SIZE;
28 void board_init_f(ulong bootflag)
30 u32 plat_ratio, bus_clk;
31 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
35 /* Set pmuxcr to allow both i2c1 and i2c2 */
36 setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000);
37 setbits_be32(&gur->pmuxcr,
38 in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA);
40 /* Read back the register to synchronize the write. */
41 in_be32(&gur->pmuxcr);
43 #ifdef CONFIG_SPL_SPI_BOOT
44 clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
47 /* initialize selected port with appropriate baud rate */
48 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
50 bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
51 gd->bus_clk = bus_clk;
53 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
54 bus_clk / 16 / CONFIG_BAUDRATE);
55 #ifdef CONFIG_SPL_MMC_BOOT
56 puts("\nSD boot...\n");
57 #elif defined(CONFIG_SPL_SPI_BOOT)
58 puts("\nSPI Flash boot...\n");
61 /* copy code to RAM and jump to it - this should not return */
62 /* NOTE - code has to be copied out of NAND buffer before
63 * other blocks can be read.
65 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
68 void board_init_r(gd_t *gd, ulong dest_addr)
70 /* Pointer is writable since we allocated a register for it */
71 gd = (gd_t *)CONFIG_SPL_GD_ADDR;
74 memset(gd, 0, sizeof(gd_t));
75 bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t));
76 memset(bd, 0, sizeof(bd_t));
78 bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR;
79 bd->bi_memsize = CONFIG_SYS_L2_SIZE;
83 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
84 CONFIG_SPL_RELOC_MALLOC_SIZE);
86 #ifndef CONFIG_SPL_NAND_BOOT
89 #ifdef CONFIG_SPL_MMC_BOOT
92 /* relocate environment function pointers etc. */
93 #ifdef CONFIG_SPL_NAND_BOOT
94 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
95 (uchar *)CONFIG_ENV_ADDR);
96 gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
102 #ifdef CONFIG_SYS_I2C
105 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
108 gd->ram_size = initdram(0);
109 #ifdef CONFIG_SPL_NAND_BOOT
110 puts("Tertiary program loader running in sram...");
112 puts("Second program loader running in sram...\n");
115 #ifdef CONFIG_SPL_MMC_BOOT
117 #elif defined(CONFIG_SPL_SPI_BOOT)
119 #elif defined(CONFIG_SPL_NAND_BOOT)