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From 643e61b22155cd95ae6e18e57da50acd120da091 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Mon, 2 Dec 2013 16:11:33 +0100
Subject: [PATCH 503/507] MIPS: ralink: add MT7621 early_printk support
Signed-off-by: John Crispin <blogic@openwrt.org>
---
arch/mips/ralink/early_printk.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
Index: linux-3.10.21/arch/mips/ralink/early_printk.c
===================================================================
--- linux-3.10.21.orig/arch/mips/ralink/early_printk.c 2013-11-29 20:12:03.000000000 +0100
+++ linux-3.10.21/arch/mips/ralink/early_printk.c 2013-12-09 20:11:51.600704498 +0100
@@ -13,6 +13,8 @@
#ifdef CONFIG_SOC_RT288X
#define EARLY_UART_BASE 0x300c00
+#elif defined(CONFIG_SOC_MT7621)
+#define EARLY_UART_BASE 0x1E000c00
#else
#define EARLY_UART_BASE 0x10000c00
#endif
@@ -40,9 +42,13 @@
void prom_putchar(unsigned char ch)
{
- while ((uart_r32(UART_REG_LSR) & UART_LSR_THRE) == 0)
+#ifdef CONFIG_SOC_MT7621
+ uart_w32(ch, UART_TX);
+ while ((uart_r32(0x14) & UART_LSR_THRE) == 0)
;
- uart_w32(ch, UART_REG_TX);
+#else
while ((uart_r32(UART_REG_LSR) & UART_LSR_THRE) == 0)
;
+ uart_w32(ch, UART_REG_TX);
+#endif
}
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