From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Wed, 25 Jan 2017 04:20:39 +0000 (+0900)
Subject: tizen: add ramdisk bootmode with ramdisk config option
X-Git-Tag: accepted/tizen/mobile/20170306.102415~5
X-Git-Url: http://review.tizen.org/git/?p=profile%2Fmobile%2Fplatform%2Fkernel%2Fu-boot-tm1.git;a=commitdiff_plain;h=25b0d59d9acd91f1ee87dfcb9acc3d7654db4a95

tizen: add ramdisk bootmode with ramdisk config option

This patch adds ramdisk bootmode with ramdisk boot config option.

Change-Id: Ic9b571b4eb7c09805b7f567fa9ffa5ec08fe51de
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
---

diff --git a/include/normal_mode.h b/include/normal_mode.h
index 2b2ab25..bd4beba 100644
--- a/include/normal_mode.h
+++ b/include/normal_mode.h
@@ -53,6 +53,7 @@ extern unsigned char raw_header[8192];
 #define VLX_TAG_ADDR    0x82000100
 #define DT_ADR          0x85400000
 #define RAMDISK_ADR     0x85500000
+#define RAMDISK_SIZE_MB 8
 
 #if defined (CONFIG_SPX30G)
 #define COOPERATE_PROCESSOR_RESET_ADDR    0x402b00b0
diff --git a/property/normal_emc_mode.c b/property/normal_emc_mode.c
index d4fdecb..e364956 100644
--- a/property/normal_emc_mode.c
+++ b/property/normal_emc_mode.c
@@ -560,6 +560,15 @@ LOCAL int _boot_load_kernel_ramdisk_image(block_dev_desc_t * dev, char *bootmode
 		debugf("%s:dt load error!\n", __FUNCTION__);
 		return 0;
 	}
+
+
+#ifdef CONFIG_TIZEN
+#ifdef CONFIG_RAMDISK_BOOT
+	{
+		load_ramdisk(PARTS_RAMDISK, RAMDISK_ADR, RAMDISK_SIZE_MB * 1024 * 1024);
+	}
+#endif /* CONFIG_RAMDISK_BOOT */
+#else /* CONFIG_TIZEN */
 #ifdef CONFIG_SDRAMDISK
 	{
 		int sd_ramdisk_size = 0;
@@ -574,6 +583,7 @@ LOCAL int _boot_load_kernel_ramdisk_image(block_dev_desc_t * dev, char *bootmode
 			hdr->ramdisk_size = sd_ramdisk_size;
 	}
 #endif
+#endif /* CONFIG_TIZEN */
 	return 1;
 }
 
diff --git a/property/normal_mode.c b/property/normal_mode.c
index 2bd31af..3ef7204 100644
--- a/property/normal_mode.c
+++ b/property/normal_mode.c
@@ -172,15 +172,18 @@ int fdt_fixup_for_tizen(void *fdt)
 	/* Tizen default cmdline: mem */
 	ptr += sprintf(ptr, CMDLINE_DEFAULT_TIZEN);
 
+#ifdef CONFIG_RAMDISK_BOOT
+	ptr += sprintf(ptr, " root=/dev/ram0 rw initrd=0x%x,%dM",
+				RAMDISK_ADR, RAMDISK_SIZE_MB);
+#else
 	val = tizen_get_part_num(PARTS_ROOTFS);
 	ptr += sprintf(ptr, " root=/dev/mmcblk0p%d ro rootfstype=ext4 rootwait", val);
+	ptr += sprintf(ptr, " initrd=0x%x,0x%x", RAMDISK_ADR, 0);
+#endif
 
 	ptr += sprintf(ptr, " lcd_id=ID%06x", load_lcd_id_to_kernel());
 	ptr += sprintf(ptr, " lcd_base=%x", CONFIG_FB_RAM_BASE);
 
-	/* check ramdisk_size */
-	ptr += sprintf(ptr, " initrd=0x%x,0x%x", RAMDISK_ADR, 0);
-
 	ptr += sprintf(ptr, " mtp_offset=%s", load_mtp_offset_to_kernel());
 	ptr += sprintf(ptr, " elvss_offset=0x%x", load_elvss_offset_to_kernel());
 	ptr += sprintf(ptr, " hbm_offset=%s", load_hbm_offset_to_kernel());
@@ -197,7 +200,11 @@ int fdt_fixup_for_tizen(void *fdt)
 		break;
 	case PM_STATE_NORMAL:
 	default:
+#ifdef CONFIG_RAMDISK_BOOT
+		ptr += sprintf(ptr, " bootmode=ramdisk");
+#else
 		ptr += sprintf(ptr, " bootmode=normal");
+#endif
 	}
 	thor_save_env("normal");
 
diff --git a/property/tizen_misc.c b/property/tizen_misc.c
index a881d17..263c476 100644
--- a/property/tizen_misc.c
+++ b/property/tizen_misc.c
@@ -775,6 +775,11 @@ static int load_binary_to_addr(char *name, unsigned int addr, unsigned int size)
 	return 0;
 }
 
+int load_ramdisk(char *name, unsigned int base_addr, unsigned int size)
+{
+	return load_binary_to_addr(name, base_addr, size);
+}
+
 int check_board_signature(char *fname, unsigned int dn_addr, unsigned int size)
 {
 	struct sig_header bh_target;