rockchip: Add support for rk's second level loader
The Rockchip boot ROM could load & run an initial spl loader,
and continue to load a second level boot-loader(which stored
right after the initial loader) when it returns.
Modify idblock generation code to support it.
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/rkcommon.c b/tools/rkcommon.c
index 18778aa..249c862 100644
--- a/tools/rkcommon.c
+++ b/tools/rkcommon.c
@@ -25,7 +25,7 @@
*
* @signature: Signature (must be RKSD_SIGNATURE)
* @disable_rc4: 0 to use rc4 for boot image, 1 to use plain binary
- * @code1_offset: Offset in blocks of the SPL code from this header
+ * @init_offset: Offset in blocks of the SPL code from this header
* block. E.g. 4 means 2KB after the start of this header.
* Other fields are not used by U-Boot
*/
@@ -33,11 +33,10 @@
uint32_t signature;
uint8_t reserved[4];
uint32_t disable_rc4;
- uint16_t code1_offset;
- uint16_t code2_offset;
- uint8_t reserved1[490];
- uint16_t usflashdatasize;
- uint16_t ucflashbootsize;
+ uint16_t init_offset;
+ uint8_t reserved1[492];
+ uint16_t init_size;
+ uint16_t init_boot_size;
uint8_t reserved2[2];
};
@@ -53,18 +52,15 @@
if (file_size > CONFIG_ROCKCHIP_MAX_SPL_SIZE)
return -ENOSPC;
- memset(buf, '\0', RK_CODE1_OFFSET * RK_BLK_SIZE);
+ memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
hdr = (struct header0_info *)buf;
hdr->signature = RK_SIGNATURE;
hdr->disable_rc4 = 1;
- hdr->code1_offset = RK_CODE1_OFFSET;
- hdr->code2_offset = 8;
+ hdr->init_offset = RK_INIT_OFFSET;
- hdr->usflashdatasize = (file_size + RK_BLK_SIZE - 1) / RK_BLK_SIZE;
- hdr->usflashdatasize = (hdr->usflashdatasize + 3) & ~3;
- hdr->ucflashbootsize = hdr->usflashdatasize;
-
- debug("size=%x, %x\n", params->file_size, hdr->usflashdatasize);
+ hdr->init_size = (file_size + RK_BLK_SIZE - 1) / RK_BLK_SIZE;
+ hdr->init_size = (hdr->init_size + 3) & ~3;
+ hdr->init_boot_size = hdr->init_size + RK_MAX_BOOT_SIZE / RK_BLK_SIZE;
rc4_encode(buf, RK_BLK_SIZE, rc4_key);