2 * Copyright 2013 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
14 #include "../common/ngpixis.h"
15 #include <fsl_esdhc.h>
16 #include <spi_flash.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 static const u32 sysclk_tbl[] = {
21 66666000, 7499900, 83332500, 8999900,
22 99999000, 11111000, 12499800, 13333200
25 phys_size_t get_effective_memsize(void)
27 return CONFIG_SYS_L2_SIZE;
30 void board_init_f(ulong bootflag)
33 u32 plat_ratio, sys_clk, bus_clk;
34 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
38 /* Set pmuxcr to allow both i2c1 and i2c2 */
39 setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000);
40 setbits_be32(&gur->pmuxcr,
41 in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA);
43 #ifdef CONFIG_SPL_SPI_BOOT
45 clrsetbits_8(&pixis->brdcfg0, PIXIS_ELBC_SPI_MASK, PIXIS_SPI);
48 /* Read back the register to synchronize the write. */
49 in_be32(&gur->pmuxcr);
51 /* initialize selected port with appropriate baud rate */
52 px_spd = in_8((unsigned char *)(PIXIS_BASE + PIXIS_SPD));
53 sys_clk = sysclk_tbl[px_spd & PIXIS_SPD_SYSCLK_MASK];
54 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
55 bus_clk = sys_clk * plat_ratio / 2;
57 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
58 bus_clk / 16 / CONFIG_BAUDRATE);
59 #ifdef CONFIG_SPL_MMC_BOOT
60 puts("\nSD boot...\n");
61 #elif defined(CONFIG_SPL_SPI_BOOT)
62 puts("\nSPI Flash boot...\n");
65 /* copy code to RAM and jump to it - this should not return */
66 /* NOTE - code has to be copied out of NAND buffer before
67 * other blocks can be read.
69 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
72 void board_init_r(gd_t *gd, ulong dest_addr)
74 /* Pointer is writable since we allocated a register for it */
75 gd = (gd_t *)CONFIG_SPL_GD_ADDR;
78 memset(gd, 0, sizeof(gd_t));
79 bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t));
80 memset(bd, 0, sizeof(bd_t));
82 bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR;
83 bd->bi_memsize = CONFIG_SYS_L2_SIZE;
87 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
88 CONFIG_SPL_RELOC_MALLOC_SIZE);
89 #ifndef CONFIG_SPL_NAND_BOOT
92 #ifdef CONFIG_SPL_MMC_BOOT
95 /* relocate environment function pointers etc. */
96 #ifdef CONFIG_SPL_NAND_BOOT
97 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
98 (uchar *)CONFIG_ENV_ADDR);
100 gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
106 #ifdef CONFIG_SYS_I2C
109 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
112 gd->ram_size = initdram(0);
113 #ifdef CONFIG_SPL_NAND_BOOT
114 puts("Tertiary program loader running in sram...");
116 puts("Second program loader running in sram...\n");
119 #ifdef CONFIG_SPL_MMC_BOOT
121 #elif defined(CONFIG_SPL_SPI_BOOT)
123 #elif defined(CONFIG_SPL_NAND_BOOT)