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authorYoshihiro Shimoda <shimoda.yoshihiro@renesas.com>2008-01-09 14:30:02 +0900
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2008-01-15 23:30:40 +0900
commit7c10c57275901939a8ece4a9ef3e7ccb7c12a0ed (patch)
treeaee91a0d58ef7568d609ef89b4fa295c25a3888a /drivers
parentf9913a8ee71ff14fcfc1c7fd0e6912f897e69403 (diff)
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sh: Add support for SH7720 in serial_sh driver.
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Acked-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/serial/serial_sh.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c
index ee44ba2..afba2d2 100644
--- a/drivers/serial/serial_sh.c
+++ b/drivers/serial/serial_sh.c
@@ -30,6 +30,17 @@
#error "Default SCIF doesn't set....."
#endif
+#if defined(CONFIG_SH3)
+/* There are SH7720's register */
+#define SCSMR (volatile unsigned short *)(SCIF_BASE + 0x0)
+#define SCBRR (volatile unsigned char *)(SCIF_BASE + 0x4)
+#define SCSCR (volatile unsigned short *)(SCIF_BASE + 0x8)
+#define SCFSR (volatile unsigned short *)(SCIF_BASE + 0x14) /* SCSSR */
+#define SCFCR (volatile unsigned short *)(SCIF_BASE + 0x18)
+#define SCFDR (volatile unsigned short *)(SCIF_BASE + 0x1C)
+#define SCFTDR (volatile unsigned char *)(SCIF_BASE + 0x20)
+#define SCFRDR (volatile unsigned char *)(SCIF_BASE + 0x24)
+#else
#define SCSMR (vu_short *)(SCIF_BASE + 0x0)
#define SCBRR (vu_char *)(SCIF_BASE + 0x4)
#define SCSCR (vu_short *)(SCIF_BASE + 0x8)
@@ -38,16 +49,21 @@
#define SCFRDR (vu_char *)(SCIF_BASE + 0x14)
#define SCFCR (vu_short *)(SCIF_BASE + 0x18)
#define SCFDR (vu_short *)(SCIF_BASE + 0x1C)
+#endif
+
#if defined(CONFIG_SH4A)
#define SCRFDR (vu_short *)(SCIF_BASE + 0x20)
#define SCSPTR (vu_short *)(SCIF_BASE + 0x24)
#define SCLSR (vu_short *)(SCIF_BASE + 0x28)
#define SCRER (vu_short *)(SCIF_BASE + 0x2C)
+#define LSR_ORER 1
#elif defined (CONFIG_SH4)
#define SCSPTR (vu_short *)(SCIF_BASE + 0x20)
#define SCLSR (vu_short *)(SCIF_BASE + 0x24)
+#define LSR_ORER 1
#elif defined (CONFIG_SH3)
-#define SCLSR (vu_short *)(SCIF_BASE + 0x24)
+#define SCLSR SCFSR /* SCSSR */
+#define LSR_ORER 0x0200
#endif
#define SCR_RE (1 << 4)
@@ -67,10 +83,18 @@
void serial_setbrg (void)
{
DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_CPU_SH7720)
+ int divisor = gd->baudrate * 16;
+
+ *SCBRR = (CONFIG_SYS_CLK_FREQ * 2 + (divisor / 2)) /
+ (gd->baudrate * 32) - 1;
+#else
int divisor = gd->baudrate * 32;
*SCBRR = (CONFIG_SYS_CLK_FREQ + (divisor / 2)) /
(gd->baudrate * 32) - 1;
+#endif
}
int serial_init (void)
@@ -133,7 +157,6 @@ int serial_tstc (void)
#define FSR_ERR_CLEAR 0x0063
#define RDRF_CLEAR 0x00fc
-#define LSR_ORER 1
void handle_error( void ){
(void)*SCFSR ;