2 * Copyright 2013-2015 Arcturus Networks, Inc.
3 * http://www.arcturusnetworks.com/products/ucp1020/
4 * based on board/freescale/p1_p2_rdb_pc/spl.c
5 * original copyright follows:
6 * Copyright 2013 Freescale Semiconductor, Inc.
8 * SPDX-License-Identifier: GPL-2.0+
13 #include <environment.h>
19 #include <fsl_esdhc.h>
20 #include <spi_flash.h>
22 DECLARE_GLOBAL_DATA_PTR
;
24 static const u32 sysclk_tbl
[] = {
25 66666000, 7499900, 83332500, 8999900,
26 99999000, 11111000, 12499800, 13333200
29 phys_size_t
get_effective_memsize(void)
31 return CONFIG_SYS_L2_SIZE
;
34 void board_init_f(ulong bootflag
)
36 u32 plat_ratio
, bus_clk
;
37 ccsr_gur_t
*gur
= (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR
;
41 /* Set pmuxcr to allow both i2c1 and i2c2 */
42 setbits_be32(&gur
->pmuxcr
, in_be32(&gur
->pmuxcr
) | 0x1000);
43 setbits_be32(&gur
->pmuxcr
,
44 in_be32(&gur
->pmuxcr
) | MPC85xx_PMUXCR_SD_DATA
);
46 /* Read back the register to synchronize the write. */
47 in_be32(&gur
->pmuxcr
);
49 #ifdef CONFIG_SPL_SPI_BOOT
50 clrbits_be32(&gur
->pmuxcr
, MPC85xx_PMUXCR_SD_DATA
);
53 /* initialize selected port with appropriate baud rate */
54 plat_ratio
= in_be32(&gur
->porpllsr
) & MPC85xx_PORPLLSR_PLAT_RATIO
;
56 bus_clk
= CONFIG_SYS_CLK_FREQ
* plat_ratio
;
57 gd
->bus_clk
= bus_clk
;
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
);
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)