X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fmmc%2Ffsl_esdhc_spl.c;h=b1cb4b3534f8e68b2576d30cb5f021fde8a80133;hb=b9d33fa06c174e7fb4c8cd4bfec5cfff87f301e8;hp=65c52a22db7f23af5fe584477093612179cf566b;hpb=3be2bdf5dc69b3142c1162a59bc67191c9077567;p=u-boot

diff --git a/drivers/mmc/fsl_esdhc_spl.c b/drivers/mmc/fsl_esdhc_spl.c
index 65c52a22db..b1cb4b3534 100644
--- a/drivers/mmc/fsl_esdhc_spl.c
+++ b/drivers/mmc/fsl_esdhc_spl.c
@@ -19,6 +19,32 @@
 #define MBRDBR_BOOT_SIG_AA	0x1ff
 #define CONFIG_CFG_DATA_SECTOR	0
 
+
+void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst)
+{
+	uint blk_start, blk_cnt, err;
+
+	struct mmc *mmc = find_mmc_device(0);
+	if (!mmc) {
+		puts("spl: mmc device not found!!\n");
+		hang();
+	}
+
+	if (mmc_init(mmc)) {
+		puts("MMC init failed\n");
+		return;
+	}
+
+	blk_start = ALIGN(offs, mmc->read_bl_len) / mmc->read_bl_len;
+	blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;
+
+	err = mmc->block_dev.block_read(0, blk_start, blk_cnt, vdst);
+	if (err != blk_cnt) {
+		puts("spl: mmc read failed!!\n");
+		hang();
+	}
+}
+
 /*
  * The main entry for mmc booting. It's necessary that SDRAM is already
  * configured and available since this code loads the main U-Boot image
@@ -29,10 +55,12 @@ void __noreturn mmc_boot(void)
 {
 	__attribute__((noreturn)) void (*uboot)(void);
 	uint blk_start, blk_cnt, err;
-	u32 blklen;
+#ifndef CONFIG_FSL_CORENET
 	uchar *tmp_buf;
+	u32 blklen;
 	uchar val;
 	uint i, byte_num;
+#endif
 	u32 offset, code_len;
 	struct mmc *mmc;
 
@@ -42,6 +70,10 @@ void __noreturn mmc_boot(void)
 		hang();
 	}
 
+#ifdef CONFIG_FSL_CORENET
+	offset = CONFIG_SYS_MMC_U_BOOT_OFFS;
+	code_len = CONFIG_SYS_MMC_U_BOOT_SIZE;
+#else
 	blklen = mmc->read_bl_len;
 	tmp_buf = malloc(blklen);
 	if (!tmp_buf) {
@@ -91,13 +123,16 @@ void __noreturn mmc_boot(void)
 	/*
 	* Load U-Boot image from mmc into RAM
 	*/
+#endif
 	blk_start = ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len;
 	blk_cnt = ALIGN(code_len, mmc->read_bl_len) / mmc->read_bl_len;
 	err = mmc->block_dev.block_read(0, blk_start, blk_cnt,
 					(uchar *)CONFIG_SYS_MMC_U_BOOT_DST);
 	if (err != blk_cnt) {
 		puts("spl: mmc read failed!!\n");
+#ifndef CONFIG_FSL_CORENET
 		free(tmp_buf);
+#endif
 		hang();
 	}