2 * Copyright 2013 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
14 #include <fsl_esdhc.h>
15 #include <spi_flash.h>
16 #include "../common/spl.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
)
32 u32 plat_ratio
, bus_clk
;
33 ccsr_gur_t
*gur
= (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR
;
37 /* Set pmuxcr to allow both i2c1 and i2c2 */
38 setbits_be32(&gur
->pmuxcr
, in_be32(&gur
->pmuxcr
) | 0x1000);
39 setbits_be32(&gur
->pmuxcr
,
40 in_be32(&gur
->pmuxcr
) | MPC85xx_PMUXCR_SD_DATA
);
42 /* Read back the register to synchronize the write. */
43 in_be32(&gur
->pmuxcr
);
45 #ifdef CONFIG_SPL_SPI_BOOT
46 clrbits_be32(&gur
->pmuxcr
, MPC85xx_PMUXCR_SD_DATA
);
49 /* initialize selected port with appropriate baud rate */
50 plat_ratio
= in_be32(&gur
->porpllsr
) & MPC85xx_PORPLLSR_PLAT_RATIO
;
52 bus_clk
= CONFIG_SYS_CLK_FREQ
* plat_ratio
;
53 gd
->bus_clk
= bus_clk
;
55 NS16550_init((NS16550_t
)CONFIG_SYS_NS16550_COM1
,
56 bus_clk
/ 16 / CONFIG_BAUDRATE
);
57 #ifdef CONFIG_SPL_MMC_BOOT
58 puts("\nSD boot...\n");
59 #elif defined(CONFIG_SPL_SPI_BOOT)
60 puts("\nSPI Flash boot...\n");
63 /* copy code to RAM and jump to it - this should not return */
64 /* NOTE - code has to be copied out of NAND buffer before
65 * other blocks can be read.
67 relocate_code(CONFIG_SPL_RELOC_STACK
, 0, CONFIG_SPL_RELOC_TEXT_BASE
);
70 void board_init_r(gd_t
*gd
, ulong dest_addr
)
72 /* Pointer is writable since we allocated a register for it */
73 gd
= (gd_t
*)CONFIG_SPL_GD_ADDR
;
76 memset(gd
, 0, sizeof(gd_t
));
77 bd
= (bd_t
*)(CONFIG_SPL_GD_ADDR
+ sizeof(gd_t
));
78 memset(bd
, 0, sizeof(bd_t
));
80 bd
->bi_memstart
= CONFIG_SYS_INIT_L2_ADDR
;
81 bd
->bi_memsize
= CONFIG_SYS_L2_SIZE
;
85 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR
,
86 CONFIG_SPL_RELOC_MALLOC_SIZE
);
87 gd
->flags
|= GD_FLG_FULL_MALLOC_INIT
;
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
);
99 gd
->env_addr
= (ulong
)(CONFIG_ENV_ADDR
);
105 #ifdef CONFIG_SYS_I2C
108 i2c_init(CONFIG_SYS_I2C_SPEED
, CONFIG_SYS_I2C_SLAVE
);
111 gd
->ram_size
= initdram(0);
112 #ifdef CONFIG_SPL_NAND_BOOT
113 puts("Tertiary program loader running in sram...");
115 puts("Second program loader running in sram...\n");
118 #ifdef CONFIG_SPL_MMC_BOOT
120 #elif defined(CONFIG_SPL_SPI_BOOT)
122 #elif defined(CONFIG_SPL_NAND_BOOT)