From: Grazvydas Ignotas <notasas@gmail.com>
Date: Sun, 8 Nov 2009 17:03:54 +0000 (+0000)
Subject: pandora.c: Set GPBR1 register so that charging starts early.
X-Git-Tag: Release-2010-05/1^0
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b3646a83f9e67ec9a2de3182fd254557fd6ad9aa;p=pandora-x-loader.git

pandora.c: Set GPBR1 register so that charging starts early.

* This should allow booting with a drained battery and charger connected.
---

diff --git a/board/pandora/pandora.c b/board/pandora/pandora.c
index 1fc7bd0..b11721e 100755
--- a/board/pandora/pandora.c
+++ b/board/pandora/pandora.c
@@ -85,21 +85,25 @@ int board_init(void)
 	/* do additional init to prevent trash being output on startup */
 	serial_init();
 
-#ifdef CONFIG_PANDORA_FINAL
-	/*VAUX3 = 2.8V    (AV connector)*/
-	byte = 0x20;
-	i2c_write(0x4B, 0x7A, 1, &byte, 1);
-	byte = 0x03;
-	i2c_write(0x4B, 0x7D, 1, &byte, 1);
-#else
-	/*VAUX4 = 2.8V    (TOUCH,NUBS,RS-232 TRANSCEIVER)*/
-	byte = 0x20;
-	i2c_write(0x4B, 0x7E, 1, &byte, 1);
-	byte = 0x0A;
-	i2c_write(0x4B, 0x81, 1, &byte, 1);
-#endif
+	#ifdef CONFIG_PANDORA_FINAL
+		/* restore GPBR1 for charging to work -
+		 * boot ROM or something clears it before us */
+		byte = 0x90;
+		i2c_write(0x49, 0x91, 1, &byte, 1);
+
+		/*VAUX3 = 2.8V    (AV connector)*/
+		byte = 0x20;
+		i2c_write(0x4B, 0x7A, 1, &byte, 1);
+		byte = 0x03;
+		i2c_write(0x4B, 0x7D, 1, &byte, 1);
+	#else
+		/*VAUX4 = 2.8V    (TOUCH,NUBS,RS-232 TRANSCEIVER)*/
+		byte = 0x20;
+		i2c_write(0x4B, 0x7E, 1, &byte, 1);
+		byte = 0x0A;
+		i2c_write(0x4B, 0x81, 1, &byte, 1);
+	#endif
 
-	delay(10000);  /* give time to power up */
 #endif
 
 	return 0;
@@ -567,7 +571,7 @@ void s_init(void)
 int misc_init_r(void)
 {
 #ifdef CFG_PRINTF
-	printf("OpenPandora X-Loader \n");
+	printf("OpenPandora System \n");
 #endif
 
 	return (0);