1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2013-2015 Arcturus Networks, Inc.
4 * http://www.arcturusnetworks.com/products/ucp1020/
5 * based on board/freescale/p1_p2_rdb_pc/spl.c
6 * original copyright follows:
7 * Copyright 2013 Freescale Semiconductor, Inc.
11 #include <clock_legacy.h>
14 #include <env_internal.h>
21 #include <fsl_esdhc.h>
22 #include <spi_flash.h>
24 DECLARE_GLOBAL_DATA_PTR;
26 static const u32 sysclk_tbl[] = {
27 66666000, 7499900, 83332500, 8999900,
28 99999000, 11111000, 12499800, 13333200
31 phys_size_t get_effective_memsize(void)
33 return CONFIG_SYS_L2_SIZE;
36 void board_init_f(ulong bootflag)
38 u32 plat_ratio, bus_clk;
39 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
43 /* Set pmuxcr to allow both i2c1 and i2c2 */
44 setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000);
45 setbits_be32(&gur->pmuxcr,
46 in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA);
48 /* Read back the register to synchronize the write. */
49 in_be32(&gur->pmuxcr);
51 #ifdef CONFIG_SPL_SPI_BOOT
52 clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
55 /* initialize selected port with appropriate baud rate */
56 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
58 bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
59 gd->bus_clk = bus_clk;
61 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
62 bus_clk / 16 / CONFIG_BAUDRATE);
63 #ifdef CONFIG_SPL_MMC_BOOT
64 puts("\nSD boot...\n");
65 #elif defined(CONFIG_SPL_SPI_BOOT)
66 puts("\nSPI Flash boot...\n");
69 /* copy code to RAM and jump to it - this should not return */
70 /* NOTE - code has to be copied out of NAND buffer before
71 * other blocks can be read.
73 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
76 void board_init_r(gd_t *gd, ulong dest_addr)
78 /* Pointer is writable since we allocated a register for it */
79 gd = (gd_t *)CONFIG_SPL_GD_ADDR;
82 memset(gd, 0, sizeof(gd_t));
83 bd = (struct bd_info *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t));
84 memset(bd, 0, sizeof(struct bd_info));
89 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
90 CONFIG_SPL_RELOC_MALLOC_SIZE);
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);
102 gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
103 gd->env_valid = ENV_VALID;
108 #ifdef CONFIG_SYS_I2C
111 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
115 #ifdef CONFIG_SPL_NAND_BOOT
116 puts("Tertiary program loader running in sram...");
118 puts("Second program loader running in sram...\n");
121 #ifdef CONFIG_SPL_MMC_BOOT
123 #elif defined(CONFIG_SPL_NAND_BOOT)