1 // SPDX-License-Identifier: GPL-2.0+
4 * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
11 #include <linux/libfdt_env.h>
14 #if defined(CONFIG_SPL_NAND_RAW_ONLY)
15 static int spl_nand_load_image(struct spl_image_info
*spl_image
,
16 struct spl_boot_device
*bootdev
)
20 printf("Loading U-Boot from 0x%08x (size 0x%08x) to 0x%08x\n",
21 CONFIG_SYS_NAND_U_BOOT_OFFS
, CONFIG_SYS_NAND_U_BOOT_SIZE
,
22 CONFIG_SYS_NAND_U_BOOT_DST
);
24 nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS
,
25 CONFIG_SYS_NAND_U_BOOT_SIZE
,
26 (void *)CONFIG_SYS_NAND_U_BOOT_DST
);
27 spl_set_header_raw_uboot(spl_image
);
34 static ulong
spl_nand_fit_read(struct spl_load_info
*load
, ulong offs
,
35 ulong size
, void *dst
)
39 ret
= nand_spl_load_image(offs
, size
, dst
);
46 static int spl_nand_load_element(struct spl_image_info
*spl_image
,
47 int offset
, struct image_header
*header
)
51 err
= nand_spl_load_image(offset
, sizeof(*header
), (void *)header
);
55 if (CONFIG_IS_ENABLED(LOAD_FIT
) &&
56 image_get_magic(header
) == FDT_MAGIC
) {
57 struct spl_load_info load
;
64 load
.read
= spl_nand_fit_read
;
65 return spl_load_simple_fit(spl_image
, &load
, offset
, header
);
67 err
= spl_parse_image_header(spl_image
, header
);
70 return nand_spl_load_image(offset
, spl_image
->size
,
71 (void *)(ulong
)spl_image
->load_addr
);
75 static int spl_nand_load_image(struct spl_image_info
*spl_image
,
76 struct spl_boot_device
*bootdev
)
79 struct image_header
*header
;
80 int *src
__attribute__((unused
));
81 int *dst
__attribute__((unused
));
83 #ifdef CONFIG_SPL_NAND_SOFTECC
84 debug("spl: nand - using sw ecc\n");
86 debug("spl: nand - using hw ecc\n");
90 header
= spl_get_load_buffer(0, sizeof(*header
));
92 #ifdef CONFIG_SPL_OS_BOOT
93 if (!spl_start_uboot()) {
95 * load parameter image
96 * load to temp position since nand_spl_load_image reads
97 * a whole block which is typically larger than
98 * CONFIG_CMD_SPL_WRITE_SIZE therefore may overwrite
99 * following sections like BSS
101 nand_spl_load_image(CONFIG_CMD_SPL_NAND_OFS
,
102 CONFIG_CMD_SPL_WRITE_SIZE
,
103 (void *)CONFIG_SYS_TEXT_BASE
);
104 /* copy to destintion */
105 for (dst
= (int *)CONFIG_SYS_SPL_ARGS_ADDR
,
106 src
= (int *)CONFIG_SYS_TEXT_BASE
;
107 src
< (int *)(CONFIG_SYS_TEXT_BASE
+
108 CONFIG_CMD_SPL_WRITE_SIZE
);
110 writel(readl(src
), dst
);
114 nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS
,
115 sizeof(*header
), (void *)header
);
116 err
= spl_parse_image_header(spl_image
, header
);
119 if (header
->ih_os
== IH_OS_LINUX
) {
120 /* happy - was a linux */
121 err
= nand_spl_load_image(
122 CONFIG_SYS_NAND_SPL_KERNEL_OFFS
,
124 (void *)spl_image
->load_addr
);
128 puts("The Expected Linux image was not "
129 "found. Please check your NAND "
131 puts("Trying to start u-boot now...\n");
135 #ifdef CONFIG_NAND_ENV_DST
136 spl_nand_load_element(spl_image
, CONFIG_ENV_OFFSET
, header
);
137 #ifdef CONFIG_ENV_OFFSET_REDUND
138 spl_nand_load_element(spl_image
, CONFIG_ENV_OFFSET_REDUND
, header
);
142 err
= spl_nand_load_element(spl_image
, CONFIG_SYS_NAND_U_BOOT_OFFS
,
144 #ifdef CONFIG_SYS_NAND_U_BOOT_OFFS_REDUND
145 #if CONFIG_SYS_NAND_U_BOOT_OFFS != CONFIG_SYS_NAND_U_BOOT_OFFS_REDUND
147 err
= spl_nand_load_element(spl_image
,
148 CONFIG_SYS_NAND_U_BOOT_OFFS_REDUND
,
156 /* Use priorty 1 so that Ubi can override this */
157 SPL_LOAD_IMAGE_METHOD("NAND", 1, BOOT_DEVICE_NAND
, spl_nand_load_image
);