+ debug("%s: PPA image load from XIP\n", __func__);
+#ifdef CONFIG_CHAIN_OF_TRUST
+ ppa_esbc_hdr = CONFIG_SYS_LS_PPA_ESBC_ADDR;
+#endif
+#else /* !CONFIG_SYS_LS_PPA_FW_IN_XIP */
+ size_t fw_length, fdt_header_len = sizeof(struct fdt_header);
+
+ /* Copy PPA image from MMC/SD/NAND to allocated memory */
+#ifdef CONFIG_SYS_LS_PPA_FW_IN_MMC
+ struct mmc *mmc;
+ int dev = CONFIG_SYS_MMC_ENV_DEV;
+ struct fdt_header *fitp;
+ u32 cnt;
+ u32 blk;
+
+ debug("%s: PPA image load from eMMC/SD\n", __func__);
+
+ ret = mmc_initialize(gd->bd);
+ if (ret) {
+ printf("%s: mmc_initialize() failed\n", __func__);
+ return ret;
+ }
+ mmc = find_mmc_device(dev);
+ if (!mmc) {
+ printf("PPA: MMC cannot find device for PPA firmware\n");
+ return -ENODEV;
+ }
+
+ ret = mmc_init(mmc);
+ if (ret) {
+ printf("%s: mmc_init() failed\n", __func__);
+ return ret;
+ }
+
+ fitp = malloc(roundup(fdt_header_len, 512));
+ if (!fitp) {
+ printf("PPA: malloc failed for FIT header(size 0x%zx)\n",
+ roundup(fdt_header_len, 512));
+ return -ENOMEM;
+ }
+
+ blk = CONFIG_SYS_LS_PPA_FW_ADDR / 512;
+ cnt = DIV_ROUND_UP(fdt_header_len, 512);
+ debug("%s: MMC read PPA FIT header: dev # %u, block # %u, count %u\n",
+ __func__, dev, blk, cnt);
+ ret = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, fitp);
+ if (ret != cnt) {
+ free(fitp);
+ printf("MMC/SD read of PPA FIT header at offset 0x%x failed\n",
+ CONFIG_SYS_LS_PPA_FW_ADDR);
+ return -EIO;
+ }
+
+ ret = fdt_check_header(fitp);
+ if (ret) {
+ free(fitp);
+ printf("%s: fdt_check_header() failed\n", __func__);
+ return ret;
+ }
+
+#ifdef CONFIG_CHAIN_OF_TRUST
+ ppa_hdr_ddr = malloc(CONFIG_LS_PPA_ESBC_HDR_SIZE);
+ if (!ppa_hdr_ddr) {
+ printf("PPA: malloc failed for PPA header\n");
+ return -ENOMEM;
+ }
+
+ blk = CONFIG_SYS_LS_PPA_ESBC_ADDR >> 9;
+ cnt = DIV_ROUND_UP(CONFIG_LS_PPA_ESBC_HDR_SIZE, 512);
+ ret = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, ppa_hdr_ddr);
+ if (ret != cnt) {
+ free(ppa_hdr_ddr);
+ printf("MMC/SD read of PPA header failed\n");
+ return -EIO;
+ }
+ debug("Read PPA header to 0x%p\n", ppa_hdr_ddr);
+
+ ppa_esbc_hdr = (uintptr_t)ppa_hdr_ddr;
+#endif
+
+ fw_length = fdt_totalsize(fitp);
+ free(fitp);
+
+ fw_length = roundup(fw_length, 512);
+ ppa_fit_addr = malloc(fw_length);
+ if (!ppa_fit_addr) {
+ printf("PPA: malloc failed for PPA image(size 0x%zx)\n",
+ fw_length);
+ return -ENOMEM;
+ }
+
+ blk = CONFIG_SYS_LS_PPA_FW_ADDR / 512;
+ cnt = DIV_ROUND_UP(fw_length, 512);
+ debug("%s: MMC read PPA FIT image: dev # %u, block # %u, count %u\n",
+ __func__, dev, blk, cnt);
+ ret = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, ppa_fit_addr);
+ if (ret != cnt) {
+ free(ppa_fit_addr);
+ printf("MMC/SD read of PPA FIT header at offset 0x%x failed\n",
+ CONFIG_SYS_LS_PPA_FW_ADDR);
+ return -EIO;
+ }
+
+#elif defined(CONFIG_SYS_LS_PPA_FW_IN_NAND)
+ struct fdt_header fit;
+
+ debug("%s: PPA image load from NAND\n", __func__);
+
+ nand_init();
+ ret = nand_read(get_nand_dev_by_index(0),
+ (loff_t)CONFIG_SYS_LS_PPA_FW_ADDR,
+ &fdt_header_len, (u_char *)&fit);
+ if (ret == -EUCLEAN) {
+ printf("NAND read of PPA FIT header at offset 0x%x failed\n",
+ CONFIG_SYS_LS_PPA_FW_ADDR);
+ return -EIO;
+ }
+
+ ret = fdt_check_header(&fit);
+ if (ret) {
+ printf("%s: fdt_check_header() failed\n", __func__);
+ return ret;
+ }
+
+#ifdef CONFIG_CHAIN_OF_TRUST
+ ppa_hdr_ddr = malloc(CONFIG_LS_PPA_ESBC_HDR_SIZE);
+ if (!ppa_hdr_ddr) {
+ printf("PPA: malloc failed for PPA header\n");
+ return -ENOMEM;
+ }
+
+ fw_length = CONFIG_LS_PPA_ESBC_HDR_SIZE;
+
+ ret = nand_read(get_nand_dev_by_index(0),
+ (loff_t)CONFIG_SYS_LS_PPA_ESBC_ADDR,
+ &fw_length, (u_char *)ppa_hdr_ddr);
+ if (ret == -EUCLEAN) {
+ free(ppa_hdr_ddr);
+ printf("NAND read of PPA firmware at offset 0x%x failed\n",
+ CONFIG_SYS_LS_PPA_FW_ADDR);
+ return -EIO;
+ }
+ debug("Read PPA header to 0x%p\n", ppa_hdr_ddr);
+
+ ppa_esbc_hdr = (uintptr_t)ppa_hdr_ddr;
+#endif
+
+ fw_length = fdt_totalsize(&fit);
+
+ ppa_fit_addr = malloc(fw_length);
+ if (!ppa_fit_addr) {
+ printf("PPA: malloc failed for PPA image(size 0x%zx)\n",
+ fw_length);
+ return -ENOMEM;
+ }
+
+ ret = nand_read(get_nand_dev_by_index(0),
+ (loff_t)CONFIG_SYS_LS_PPA_FW_ADDR,
+ &fw_length, (u_char *)ppa_fit_addr);
+ if (ret == -EUCLEAN) {
+ free(ppa_fit_addr);
+ printf("NAND read of PPA firmware at offset 0x%x failed\n",
+ CONFIG_SYS_LS_PPA_FW_ADDR);
+ return -EIO;
+ }