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+
18 #include <fsl_esdhc.h>
19 #include <spi_flash.h>
21 DECLARE_GLOBAL_DATA_PTR
;
23 static const u32 sysclk_tbl
[] = {
24 66666000, 7499900, 83332500, 8999900,
25 99999000, 11111000, 12499800, 13333200
28 phys_size_t
get_effective_memsize(void)
30 return CONFIG_SYS_L2_SIZE
;
33 void board_init_f(ulong bootflag
)
35 u32 plat_ratio
, bus_clk
;
36 ccsr_gur_t
*gur
= (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR
;
40 /* Set pmuxcr to allow both i2c1 and i2c2 */
41 setbits_be32(&gur
->pmuxcr
, in_be32(&gur
->pmuxcr
) | 0x1000);
42 setbits_be32(&gur
->pmuxcr
,
43 in_be32(&gur
->pmuxcr
) | MPC85xx_PMUXCR_SD_DATA
);
45 /* Read back the register to synchronize the write. */
46 in_be32(&gur
->pmuxcr
);
48 #ifdef CONFIG_SPL_SPI_BOOT
49 clrbits_be32(&gur
->pmuxcr
, MPC85xx_PMUXCR_SD_DATA
);
52 /* initialize selected port with appropriate baud rate */
53 plat_ratio
= in_be32(&gur
->porpllsr
) & MPC85xx_PORPLLSR_PLAT_RATIO
;
55 bus_clk
= CONFIG_SYS_CLK_FREQ
* plat_ratio
;
56 gd
->bus_clk
= bus_clk
;
58 NS16550_init((NS16550_t
)CONFIG_SYS_NS16550_COM1
,
59 bus_clk
/ 16 / CONFIG_BAUDRATE
);
60 #ifdef CONFIG_SPL_MMC_BOOT
61 puts("\nSD boot...\n");
62 #elif defined(CONFIG_SPL_SPI_BOOT)
63 puts("\nSPI Flash boot...\n");
66 /* copy code to RAM and jump to it - this should not return */
67 /* NOTE - code has to be copied out of NAND buffer before
68 * other blocks can be read.
70 relocate_code(CONFIG_SPL_RELOC_STACK
, 0, CONFIG_SPL_RELOC_TEXT_BASE
);
73 void board_init_r(gd_t
*gd
, ulong dest_addr
)
75 /* Pointer is writable since we allocated a register for it */
76 gd
= (gd_t
*)CONFIG_SPL_GD_ADDR
;
79 memset(gd
, 0, sizeof(gd_t
));
80 bd
= (bd_t
*)(CONFIG_SPL_GD_ADDR
+ sizeof(gd_t
));
81 memset(bd
, 0, sizeof(bd_t
));
83 bd
->bi_memstart
= CONFIG_SYS_INIT_L2_ADDR
;
84 bd
->bi_memsize
= CONFIG_SYS_L2_SIZE
;
88 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR
,
89 CONFIG_SPL_RELOC_MALLOC_SIZE
);
91 #ifndef CONFIG_SPL_NAND_BOOT
94 #ifdef CONFIG_SPL_MMC_BOOT
97 /* relocate environment function pointers etc. */
98 #ifdef CONFIG_SPL_NAND_BOOT
99 nand_spl_load_image(CONFIG_ENV_OFFSET
, CONFIG_ENV_SIZE
,
100 (uchar
*)CONFIG_ENV_ADDR
);
101 gd
->env_addr
= (ulong
)(CONFIG_ENV_ADDR
);
107 #ifdef CONFIG_SYS_I2C
110 i2c_init(CONFIG_SYS_I2C_SPEED
, CONFIG_SYS_I2C_SLAVE
);
113 gd
->ram_size
= initdram(0);
114 #ifdef CONFIG_SPL_NAND_BOOT
115 puts("Tertiary program loader running in sram...");
117 puts("Second program loader running in sram...\n");
120 #ifdef CONFIG_SPL_MMC_BOOT
122 #elif defined(CONFIG_SPL_SPI_BOOT)
124 #elif defined(CONFIG_SPL_NAND_BOOT)