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authorTom Rini <trini@ti.com>2013-10-22 08:37:46 -0400
committerTom Rini <trini@ti.com>2013-10-22 08:37:46 -0400
commit55aea84b1db277bd86edadb37d11b78d36db7608 (patch)
tree6d3d0ce8cb6b3afe9b5f6151c0236ec9503ad218 /drivers/serial
parent748bde608a8dfea5b64e186af4d9c27642fe7813 (diff)
parent7f2013d47c8c62c2373cafe68d6ba4649099e49a (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-sh
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/serial_sh.c5
-rw-r--r--drivers/serial/serial_sh.h13
2 files changed, 17 insertions, 1 deletions
diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c
index ff2cdc5..0826d59 100644
--- a/drivers/serial/serial_sh.c
+++ b/drivers/serial/serial_sh.c
@@ -1,5 +1,6 @@
/*
* SuperH SCIF device driver.
+ * Copyright (C) 2013 Renesas Electronics Corporation
* Copyright (C) 2007,2008,2010 Nobuhiro Iwamatsu
* Copyright (C) 2002 - 2008 Paul Mundt
*
@@ -48,7 +49,9 @@ static struct uart_port sh_sci = {
static void sh_serial_setbrg(void)
{
DECLARE_GLOBAL_DATA_PTR;
- sci_out(&sh_sci, SCBRR, SCBRR_VALUE(gd->baudrate, CONFIG_SYS_CLK_FREQ));
+
+ sci_out(&sh_sci, SCBRR,
+ SCBRR_VALUE(gd->baudrate, CONFIG_SH_SCIF_CLK_FREQ));
}
static int sh_serial_init(void)
diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h
index 7e38a3f..556b868 100644
--- a/drivers/serial/serial_sh.h
+++ b/drivers/serial/serial_sh.h
@@ -224,6 +224,9 @@ struct uart_port {
# define SCSPTR3 0xffc60020 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* Overrun error bit */
# define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+# define SCIF_ORER 0x0001
+# define SCSCR_INIT(port) 0x32 /* TIE=0,RIE=0,TE=1,RE=1,REIE=0, */
#else
# error CPU subtype not defined
#endif
@@ -298,6 +301,9 @@ struct uart_port {
/* SH7763 SCIF2 support */
# define SCIF2_RFDC_MASK 0x001f
# define SCIF2_TXROOM_MAX 16
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+# define SCIF_ERRORS (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
+# define SCIF_RFDC_MASK 0x003f
#else
# define SCIF_ERRORS (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
# define SCIF_RFDC_MASK 0x001f
@@ -579,6 +585,10 @@ SCIF_FNS(SCSPTR, 0, 0, 0, 0)
#else
SCIF_FNS(SCSPTR, 0, 0, 0x20, 16)
#endif
+#if defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+SCIF_FNS(DL, 0, 0, 0x30, 16)
+SCIF_FNS(CKS, 0, 0, 0x34, 16)
+#endif
SCIF_FNS(SCLSR, 0, 0, 0x24, 16)
#endif
#endif
@@ -720,6 +730,9 @@ static inline int scbrr_calc(struct uart_port port, int bps, int clk)
#define SCBRR_VALUE(bps, clk) scbrr_calc(sh_sci, bps, clk)
#elif defined(__H8300H__) || defined(__H8300S__)
#define SCBRR_VALUE(bps, clk) (((clk*1000/32)/bps)-1)
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+#define SCBRR DL
+#define SCBRR_VALUE(bps, clk) (clk / bps / 16)
#else /* Generic SH */
#define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1)
#endif