add selection of console driver for ifxmips

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9936 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 27 insertions, 19 deletions

diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c b/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
index 514c879df3..a3b62f0114 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
@@ -29,6 +29,13 @@
 #include <asm/bootinfo.h>
 #include <asm/ifxmips/ifxmips.h>
 
+#ifdef CONFIG_IFXMIPS_USE_CONSOLE0
+#define ASC_OFFSET							0
+#elif CONFIG_IFXMIPS_USE_CONSOLE1
+#define ASC_OFFSET							IFXMIPS_ASC1_BASE_OFFSET
+#else
+#error a tty for the console must be selected
+#endif
 static char buf[1024];
 
 void
@@ -39,11 +46,11 @@ prom_free_prom_memory (void)
 void
 prom_putchar (char c)
 {
-	while ((readl(IFXMIPS_ASC1_FSTAT) & ASCFSTAT_TXFFLMASK) >> ASCFSTAT_TXFFLOFF);
+	while ((readl(IFXMIPS_ASC0_FSTAT + ASC_OFFSET) & ASCFSTAT_TXFFLMASK) >> ASCFSTAT_TXFFLOFF);
 
 	if (c == '\n')
-		writel('\r', IFXMIPS_ASC1_TBUF);
-	writel(c, IFXMIPS_ASC1_TBUF);
+		writel('\r', IFXMIPS_ASC0_TBUF + ASC_OFFSET);
+	writel(c, IFXMIPS_ASC0_TBUF + ASC_OFFSET);
 }
 
 void
diff --git a/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips.h b/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips.h
index 3575596f50..c9fa3d4a5e 100644
--- a/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips.h
+++ b/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips.h
@@ -34,17 +34,18 @@
 #define IFXMIPS_FLASH_MAX       0x2000000
 
 
-/*------------ ASC1 */
+/*------------ ASC0 */
 
-#define IFXMIPS_ASC1_BASE_ADDR	(KSEG1 + 0x1E100C00)
+#define IFXMIPS_ASC0_BASE_ADDR		(KSEG1 + 0x1E400C00)
+#define IFXMIPS_ASC1_BASE_OFFSET	((0x1E100C00 - 0x1E400C00) / sizeof(u32))
 
 /* FIFO status register */
-#define IFXMIPS_ASC1_FSTAT		((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x0048))
+#define IFXMIPS_ASC0_FSTAT		((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x0048))
 #define ASCFSTAT_TXFFLMASK		0x3F00
 #define ASCFSTAT_TXFFLOFF		8
 
 /* ASC1 transmit buffer */
-#define IFXMIPS_ASC1_TBUF		((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x0020))
+#define IFXMIPS_ASC0_TBUF		((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x0020))
 
 /* channel operating modes */
 #define ASCOPT_CSIZE			0x3
@@ -56,43 +57,43 @@
 #define ASCOPT_CREAD			0x20
 
 /* hardware modified control register */
-#define IFXMIPS_ASC1_WHBSTATE	((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x0018))
+#define IFXMIPS_ASC0_WHBSTATE	((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x0018))
 
 /* receive buffer register */
-#define IFXMIPS_ASC1_RBUF		((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x0024))
+#define IFXMIPS_ASC0_RBUF		((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x0024))
 
 /* status register */
-#define IFXMIPS_ASC1_STATE		((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x0014))
+#define IFXMIPS_ASC0_STATE		((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x0014))
 
 /* interrupt control */
-#define IFXMIPS_ASC1_IRNCR		((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x00F8))
+#define IFXMIPS_ASC0_IRNCR		((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x00F8))
 
 #define ASC_IRNCR_TIR			0x4
 #define ASC_IRNCR_RIR			0x2
 #define ASC_IRNCR_EIR			0x4
 
 /* clock control */
-#define IFXMIPS_ASC1_CLC			((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x0000))
+#define IFXMIPS_ASC0_CLC			((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x0000))
 
-#define IFXMIPS_ASC1_CLC_DISS	0x2
+#define IFXMIPS_ASC0_CLC_DISS	0x2
 
 /* port input select register */
-#define IFXMIPS_ASC1_PISEL		((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x0004))
+#define IFXMIPS_ASC0_PISEL		((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x0004))
 
 /* tx fifo */
-#define IFXMIPS_ASC1_TXFCON		((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x0044))
+#define IFXMIPS_ASC0_TXFCON		((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x0044))
 
 /* rx fifo */
-#define IFXMIPS_ASC1_RXFCON		((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x0040))
+#define IFXMIPS_ASC0_RXFCON		((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x0040))
 
 /* control */
-#define IFXMIPS_ASC1_CON			((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x0010))
+#define IFXMIPS_ASC0_CON			((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x0010))
 
 /* timer reload */
-#define IFXMIPS_ASC1_BG			((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x0050))
+#define IFXMIPS_ASC0_BG			((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x0050))
 
 /* int enable */
-#define IFXMIPS_ASC1_IRNREN		((u32*)(IFXMIPS_ASC1_BASE_ADDR + 0x00F4))
+#define IFXMIPS_ASC0_IRNREN		((u32*)(IFXMIPS_ASC0_BASE_ADDR + 0x00F4))
 
 #define ASC_IRNREN_RX_BUF		0x8
 #define ASC_IRNREN_TX_BUF		0x4