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authorJohn Crispin <john@openwrt.org>2013-04-25 19:03:13 +0000
committerJohn Crispin <john@openwrt.org>2013-04-25 19:03:13 +0000
commit46306c2e470063be7497c701511626791eccd6c0 (patch)
tree3b960af63722f03d519d042758fb1f2672cf5a0e /target/linux/lantiq/image/lzma-loader/src/board-ar71xx.c
parentfd79eb4e7c04b03d0301120c04311e54995e8d24 (diff)
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lantiq: add lzma-loader source
Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 36438
Diffstat (limited to 'target/linux/lantiq/image/lzma-loader/src/board-ar71xx.c')
-rw-r--r--target/linux/lantiq/image/lzma-loader/src/board-ar71xx.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/lantiq/image/lzma-loader/src/board-ar71xx.c b/target/linux/lantiq/image/lzma-loader/src/board-ar71xx.c
new file mode 100644
index 0000000..2f4dd6b
--- /dev/null
+++ b/target/linux/lantiq/image/lzma-loader/src/board-ar71xx.c
@@ -0,0 +1,56 @@
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <stddef.h>
+#include "config.h"
+#include "ar71xx_regs.h"
+
+#define READREG(r) *(volatile unsigned int *)(r)
+#define WRITEREG(r,v) *(volatile unsigned int *)(r) = v
+
+#define KSEG1ADDR(_x) (((_x) & 0x1fffffff) | 0xa0000000)
+
+#define UART_BASE 0xb8020000
+
+#define UART_TX 0
+#define UART_LSR 5
+
+#define UART_LSR_THRE 0x20
+
+#define UART_READ(r) READREG(UART_BASE + 4 * (r))
+#define UART_WRITE(r,v) WRITEREG(UART_BASE + 4 * (r), (v))
+
+void board_putc(int ch)
+{
+ while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
+ UART_WRITE(UART_TX, ch);
+ while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
+}
+
+#ifdef CONFIG_BOARD_TL_WR1043ND_V1
+static void tlwr1043nd_init(void)
+{
+ unsigned int reg = KSEG1ADDR(AR71XX_RESET_BASE);
+ unsigned int t;
+
+ t = READREG(reg + AR913X_RESET_REG_RESET_MODULE);
+ t |= AR71XX_RESET_GE0_PHY;
+ WRITEREG(reg + AR913X_RESET_REG_RESET_MODULE, t);
+ /* flush write */
+ t = READREG(reg + AR913X_RESET_REG_RESET_MODULE);
+}
+#else
+static inline void tlwr1043nd_init(void) {}
+#endif
+
+void board_init(void)
+{
+ tlwr1043nd_init();
+}