2 * Copyright (C) 2016 Socionext Inc.
3 * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
5 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/processor.h>
13 #include "../soc-info.h"
15 struct uniphier_romfunc_table
{
17 void *mmc_card_blockaddr
;
18 void *mmc_switch_part
;
22 static const struct uniphier_romfunc_table uniphier_ld11_romfunc_table
= {
23 .mmc_send_cmd
= (void *)0x20d8,
24 .mmc_card_blockaddr
= (void *)0x1b68,
25 .mmc_switch_part
= (void *)0x1c38,
26 .mmc_load_image
= (void *)0x2e48,
29 static const struct uniphier_romfunc_table uniphier_ld20_romfunc_table
= {
30 .mmc_send_cmd
= (void *)0x2130,
31 .mmc_card_blockaddr
= (void *)0x1ba0,
32 .mmc_switch_part
= (void *)0x1c70,
33 .mmc_load_image
= (void *)0x2ef0,
36 int uniphier_rom_get_mmc_funcptr(int (**send_cmd
)(u32
, u32
),
37 int (**card_blockaddr
)(u32
),
38 int (**switch_part
)(int),
39 int (**load_image
)(u32
, uintptr_t, u32
))
41 const struct uniphier_romfunc_table
*table
;
43 switch (uniphier_get_soc_type()) {
44 case SOC_UNIPHIER_LD11
:
45 table
= &uniphier_ld11_romfunc_table
;
47 case SOC_UNIPHIER_LD20
:
48 table
= &uniphier_ld20_romfunc_table
;
51 printf("unsupported SoC\n");
55 *send_cmd
= table
->mmc_send_cmd
;
56 *card_blockaddr
= table
->mmc_card_blockaddr
;
57 *switch_part
= table
->mmc_switch_part
;
58 *load_image
= table
->mmc_load_image
;
63 static int spl_board_load_image(struct spl_image_info
*spl_image
,
64 struct spl_boot_device
*bootdev
)
66 int (*send_cmd
)(u32 cmd
, u32 arg
);
67 int (*card_blockaddr
)(u32 rca
);
68 int (*switch_part
)(int part
);
69 int (*load_image
)(u32 dev_addr
, uintptr_t load_addr
, u32 block_cnt
);
70 u32 dev_addr
= CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
;
71 const u32 rca
= 0x1000; /* RCA assigned by Boot ROM */
74 ret
= uniphier_rom_get_mmc_funcptr(&send_cmd
, &card_blockaddr
,
75 &switch_part
, &load_image
);
80 * deselect card before SEND_CSD command.
81 * Do not check the return code. It fails, but it is OK.
83 (*send_cmd
)(0x071a0000, 0); /* CMD7 (arg=0) */
86 writeb(0x6, 0x5a00022f);
87 while (readb(0x5a00022f))
90 ret
= (*card_blockaddr
)(rca
);
92 debug("card is block addressing\n");
94 debug("card is byte addressing\n");
98 ret
= (*send_cmd
)(0x071a0000, rca
<< 16); /* CMD7: select card again */
100 printf("failed to select card\n");
102 ret
= (*switch_part
)(1); /* Switch to Boot Partition 1 */
104 printf("failed to switch partition\n");
106 ret
= (*load_image
)(dev_addr
, CONFIG_SYS_TEXT_BASE
, 1);
108 printf("failed to load image\n");
112 ret
= spl_parse_image_header(spl_image
, (void *)CONFIG_SYS_TEXT_BASE
);
116 ret
= (*load_image
)(dev_addr
, spl_image
->load_addr
,
117 spl_image
->size
/ 512);
119 printf("failed to load image\n");
125 SPL_LOAD_IMAGE_METHOD("eMMC", 0, BOOT_DEVICE_BOARD
, spl_board_load_image
);