HACK: Pass data from firmware to kernel

lib/chromeos/os_storage.c

Index: lib/chromeos/os_storage.c
diff --git a/lib/chromeos/os_storage.c b/lib/chromeos/os_storage.c
index b3bec425d094e04d334ef548e669b1353e72659c..c80ce043c286c02daabb2267c74bc10dac9535d0 100644
--- a/lib/chromeos/os_storage.c
+++ b/lib/chromeos/os_storage.c
@@ -214,5 +214,34 @@ EXIT:
 				(int) params->bootloader_size);
 	}
 
+	/*
+	 * TODO(clchiou): This is an urgent hack for bringing up factory. We
+	 * fill in data that will be used by kernel at last 1MB space.
+	 *
+	 * Rewrite this part after the protocol specification between
+	 * Chrome OS firmware and kernel is finalized.
+	 */
+	if (status == LOAD_KERNEL_SUCCESS) {
+		DECLARE_GLOBAL_DATA_PTR;
+
+		struct kernel_shared_data {
+			uint32_t	chsw;
+			uint8_t		hwid[256];
+			uint32_t	fwid;

[rongchang, 2011/04/06 11:52:04]

fwid & frid are asciiz too

[Che-Liang Chiou, 2011/04/07 11:17:32]

Done.

+			uint32_t	frid;
+			uint32_t	binf[4];

[rongchang, 2011/04/06 11:52:04]

binf[5]

[Che-Liang Chiou, 2011/04/07 11:17:32]

Done.

+			uint32_t	gpio;

[rongchang, 2011/04/06 11:52:04]

gpio[11]

[Che-Liang Chiou, 2011/04/07 11:17:32]

Done.

+			uint32_t	vbnv[2];
+			uint64_t	fmap_start_address;
+		} __attributed__((packed)) *sd;
+		sd = (struct kernel_shared_data*) (
+				gd->bd->bi_dram[CONFIG_NR_DRAM_BANKS-1].start +
+				gd->bd->bi_dram[CONFIG_NR_DRAM_BANKS-1].size -
+				SZ_1M);
+
+		/* TODO fill in shared data */
+		memset(sd, '\0', sizeof(*sd));
+	}
+
 	return status;
 }