From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yoshihiro Shimoda Date: Mon, 03 Dec 2007 22:58:47 +0900 Subject: [U-Boot-Users] [PATCH] serial_sh: Add support for SH7720 Message-ID: <47540B97.30609@renesas.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Add support for SH7720 in serial_sh driver. Signed-off-by: Yoshihiro Shimoda CC: Nobuhiro Iwamatsu --- drivers/serial_sh.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) --- a/drivers/serial_sh.c 2007-11-14 21:06:34.000000000 +0900 +++ b/drivers/serial_sh.c 2007-12-03 22:27:15.000000000 +0900 @@ -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 (volatile unsigned short *)(SCIF_BASE + 0x0) #define SCBRR (volatile unsigned char *)(SCIF_BASE + 0x4) #define SCSCR (volatile unsigned short *)(SCIF_BASE + 0x8) @@ -38,16 +49,21 @@ #define SCFRDR (volatile unsigned char *)(SCIF_BASE + 0x14) #define SCFCR (volatile unsigned short *)(SCIF_BASE + 0x18) #define SCFDR (volatile unsigned short *)(SCIF_BASE + 0x1C) +#endif + #if defined(CONFIG_SH4A) #define SCRFDR (volatile unsigned short *)(SCIF_BASE + 0x20) #define SCSPTR (volatile unsigned short *)(SCIF_BASE + 0x24) #define SCLSR (volatile unsigned short *)(SCIF_BASE + 0x28) #define SCRER (volatile unsigned short *)(SCIF_BASE + 0x2C) +#define LSR_ORER 1 #elif defined (CONFIG_SH4) #define SCSPTR (volatile unsigned short *)(SCIF_BASE + 0x20) #define SCLSR (volatile unsigned short *)(SCIF_BASE + 0x24) +#define LSR_ORER 1 #elif defined (CONFIG_SH3) -#define SCLSR (volatile unsigned short *)(SCIF_BASE + 0x24) +#define SCLSR SCFSR /* SCSSR */ +#define LSR_ORER 0x0200 #endif #define SCR_RE (1 << 4) @@ -67,10 +83,17 @@ 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 +156,6 @@ int serial_tstc (void) #define FSR_ERR_CLEAR 0x0063 #define RDRF_CLEAR 0x00fc -#define LSR_ORER 1 void handle_error( void ){ (void)*SCFSR ;