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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-12-26 22:47:45 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-12-26 22:47:45 +0000
commit632d9c15dd8378b7661fbb957d9938d4b75043e3 (patch)
tree520e80915ddf2802169281359a6c520ba9411ad3 /target/linux/ifxmips/files
parentadde95556fe2b695c5427808d4a2faf2b84fc945 (diff)
add selection of console driver for ifxmips
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9936 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ifxmips/files')
-rw-r--r--target/linux/ifxmips/files/arch/mips/ifxmips/prom.c13
-rw-r--r--target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips.h33
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