qi-add-missed-files-for-scm.patch

Moved several files and they didn't get added to git Signed-off-by: Andy Green <andy@openmoko.com>
2025-04-21 12:27:27 +03:00 · 2008-11-28 10:16:40 +00:00
parent f82d4861e6
commit c3f69eb333
13 changed files with 3783 additions and 0 deletions
--- a/qiboot/src/cpu/s3c2442/start_qi.c
+++ b/qiboot/src/cpu/s3c2442/start_qi.c
@@ -0,0 +1,106 @@
+/*
+ * (C) Copyright 2007 OpenMoko, Inc.
+ * Author: xiangfu liu <xiangfu@openmoko.org>
+ *         Andy Green <andy@openmoko.com>
+ *
+ * Configuation settings for the OPENMOKO Neo GTA02 Linux GSM phone
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* NOTE this stuff runs in steppingstone context! */
+
+
+#include <qi.h>
+#include "nand_read.h"
+#include <neo_gta02.h>
+#include <neo_gta03.h>
+
+extern void bootloader_second_phase(void);
+
+const struct board_api *boards[] = {
+			&board_api_gta02,
+			&board_api_gta03,
+			NULL /* always last */
+};
+
+
+struct board_api const * this_board;
+extern int is_jtag;
+
+void start_qi(void)
+{
+	int flag = 0;
+	int board = 0;
+
+	/*
+	 * well, we can be running on this CPU two different ways.
+	 *
+	 * 1) We were copied into steppingstone and TEXT_BASE already
+	 *    by JTAG.  We don't have to do anything else.  JTAG script
+	 *    then sets data at address 0x4 to 0xffffffff as a signal we
+	 *    are running by JTAG.
+	 *
+	 * 2) We only got our first 4K into steppingstone, we need to copy
+	 *    the rest of ourselves into TEXT_BASE.
+	 *
+	 * So we do the copy out of NAND only if we see we did not come up
+	 * under control of JTAG.
+	 */
+
+	if (!is_jtag)
+		/*
+		* We got the first 4KBytes of the bootloader pulled into the
+		* steppingstone SRAM for free.  Now we pull the whole bootloader
+		* image into SDRAM.
+		*
+		* This code and the .S files are arranged by the linker script
+		* to expect to run from 0x0.  But the linker script has told
+		* everything else to expect to run from 0x33000000+.  That's
+		* why we are going to be able to copy this code and not have it
+		* crash when we run it from there.
+		*/
+
+		/* We randomly pull 32KBytes of bootloader */
+		if (nand_read_ll((u8 *)TEXT_BASE, 0, 32 * 1024 / 512) < 0)
+			goto unhappy;
+
+	/* ask all the boards we support in turn if they recognize this
+	 * hardware we are running on, accept the first positive answer
+	 */
+
+	this_board = boards[board];
+	while (!flag && this_board) {
+
+		/* check if it is the right board... */
+		if (this_board->is_this_board()) {
+			flag = 1;
+			continue;
+		}
+
+		this_board = boards[board++];
+	}
+
+	/*
+	 * jump to bootloader_second_phase() running from DRAM copy
+	 */
+	bootloader_second_phase();
+
+unhappy:
+	while(1)
+		;
+
+}