X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fserial%2Fserial_sh.c;h=bfdb2ce77a3b9baea4e1e4f3a1182458102f57b0;hb=12304871bc7839145f2b4238923e9023616d7399;hp=61c2b82c0acf7a811f0ffd4102318dcf19a5ade9;hpb=a13b2d937941f6b525abfcfad96c034f94421188;p=u-boot

diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c
index 61c2b82c0a..bfdb2ce77a 100644
--- a/drivers/serial/serial_sh.c
+++ b/drivers/serial/serial_sh.c
@@ -18,6 +18,7 @@
  */
 
 #include <common.h>
+#include <asm/io.h>
 #include <asm/processor.h>
 
 #if defined(CONFIG_CONS_SCIF0)
@@ -49,7 +50,7 @@
 # define SCFRDR	(vu_char  *)(SCIF_BASE + 0x24)
 #else
 # define SCFTDR (vu_char  *)(SCIF_BASE + 0xC)
-# define SCFSR 	(vu_short *)(SCIF_BASE + 0x10)
+# define SCFSR	(vu_short *)(SCIF_BASE + 0x10)
 # define SCFRDR (vu_char  *)(SCIF_BASE + 0x14)
 #endif
 
@@ -64,7 +65,7 @@
 #elif defined(CONFIG_CPU_SH7763)
 # if defined(CONFIG_CONS_SCIF2)
 # define SCSPTR	(vu_short *)(SCIF_BASE + 0x20)
-# define SCLSR 	(vu_short *)(SCIF_BASE + 0x24)
+# define SCLSR	(vu_short *)(SCIF_BASE + 0x24)
 # define LSR_ORER	1
 # define FIFOLEVEL_MASK	0x1F
 # else
@@ -76,7 +77,7 @@
 # define FIFOLEVEL_MASK	0xFF
 # endif
 #elif defined(CONFIG_CPU_SH7723)
-# if defined(CONIFG_SCIF_A)
+# if defined(CONFIG_SCIF_A)
 # define SCLSR	SCFSR
 # define LSR_ORER	0x0200
 # define FIFOLEVEL_MASK	0x3F
@@ -90,11 +91,11 @@
 	defined(CONFIG_CPU_SH7722) || \
 	defined(CONFIG_CPU_SH7203)
 # define SCSPTR	(vu_short *)(SCIF_BASE + 0x20)
-# define SCLSR 	(vu_short *)(SCIF_BASE + 0x24)
+# define SCLSR	(vu_short *)(SCIF_BASE + 0x24)
 # define LSR_ORER	1
 # define FIFOLEVEL_MASK	0x1F
 #elif defined(CONFIG_CPU_SH7720)
-# define SCLSR		(vu_short *)(SCIF_BASE + 0x24)
+# define SCLSR		SCFSR
 # define LSR_ORER	0x0200
 # define FIFOLEVEL_MASK	0x1F
 #elif defined(CONFIG_CPU_SH7710) || \
@@ -106,42 +107,43 @@
 
 /* SCBRR register value setting */
 #if defined(CONFIG_CPU_SH7720)
-# define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1)
+# define SCBRR_VALUE(bps, clk) (((clk * 2) + 16 * bps) / (32 * bps) - 1)
 #elif defined(CONFIG_CPU_SH7723) && defined(CONFIG_SCIF_A)
 /* SH7723 SCIFA use bus clock. So clock *2 */
-# define SCBRR_VALUE(bps, clk) (((clk*2*2)+16*bps)/(32*bps)-1)
+# define SCBRR_VALUE(bps, clk) (((clk * 2 * 2) + 16 * bps) / (32 * bps) - 1)
 #else /* Generic SuperH */
-# define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1)
+# define SCBRR_VALUE(bps, clk) ((clk + 16 * bps) / (32 * bps) - 1)
 #endif
 
-#define SCR_RE 		(1 << 4)
-#define SCR_TE 		(1 << 5)
+#define SCR_RE		(1 << 4)
+#define SCR_TE		(1 << 5)
 #define FCR_RFRST	(1 << 1)	/* RFCL */
 #define FCR_TFRST	(1 << 2)	/* TFCL */
-#define FSR_DR   	(1 << 0)
-#define FSR_RDF  	(1 << 1)
-#define FSR_FER  	(1 << 3)
-#define FSR_BRK  	(1 << 4)
-#define FSR_FER  	(1 << 3)
-#define FSR_TEND 	(1 << 6)
-#define FSR_ER   	(1 << 7)
+#define FSR_DR		(1 << 0)
+#define FSR_RDF		(1 << 1)
+#define FSR_FER		(1 << 3)
+#define FSR_BRK		(1 << 4)
+#define FSR_FER		(1 << 3)
+#define FSR_TEND	(1 << 6)
+#define FSR_ER		(1 << 7)
 
 /*----------------------------------------------------------------------*/
 
 void serial_setbrg(void)
 {
 	DECLARE_GLOBAL_DATA_PTR;
-	*SCBRR = SCBRR_VALUE(gd->baudrate, CONFIG_SYS_CLK_FREQ);
+
+	writeb(SCBRR_VALUE(gd->baudrate, CONFIG_SYS_CLK_FREQ), SCBRR);
 }
 
 int serial_init(void)
 {
-	*SCSCR = (SCR_RE | SCR_TE);
-	*SCSMR = 0;
-	*SCSMR = 0;
-	*SCFCR = (FCR_RFRST | FCR_TFRST);
-	*SCFCR;
-	*SCFCR = 0;
+	writew((SCR_RE | SCR_TE), SCSCR);
+	writew(0, SCSMR);
+	writew(0, SCSMR);
+	writew((FCR_RFRST | FCR_TFRST), SCFCR);
+	readw(SCFCR);
+	writew(0, SCFCR);
 
 	serial_setbrg();
 	return 0;
@@ -150,9 +152,9 @@ int serial_init(void)
 static int serial_rx_fifo_level(void)
 {
 #if defined(SCRFDR)
-	return (*SCRFDR >> 0) & FIFOLEVEL_MASK;
+	return (readw(SCRFDR) >> 0) & FIFOLEVEL_MASK;
 #else
-	return (*SCFDR >> 0) & FIFOLEVEL_MASK;
+	return (readw(SCFDR) >> 0) & FIFOLEVEL_MASK;
 #endif
 }
 
@@ -161,15 +163,15 @@ void serial_raw_putc(const char c)
 	unsigned int fsr_bits_to_clear;
 
 	while (1) {
-		if (*SCFSR & FSR_TEND) {	/* Tx fifo is empty */
+		if (readw(SCFSR) & FSR_TEND) { /* Tx fifo is empty */
 			fsr_bits_to_clear = FSR_TEND;
 			break;
 		}
 	}
 
-	*SCFTDR = c;
+	writeb(c, SCFTDR);
 	if (fsr_bits_to_clear != 0)
-		*SCFSR &= ~fsr_bits_to_clear;
+		writew(readw(SCFSR) & ~fsr_bits_to_clear, SCFSR);
 }
 
 void serial_putc(const char c)
@@ -191,26 +193,25 @@ int serial_tstc(void)
 	return serial_rx_fifo_level() ? 1 : 0;
 }
 
-#define FSR_ERR_CLEAR   0x0063
-#define RDRF_CLEAR      0x00fc
+#define FSR_ERR_CLEAR	0x0063
+#define RDRF_CLEAR		0x00fc
 void handle_error(void)
 {
-
-	(void)*SCFSR;
-	*SCFSR = FSR_ERR_CLEAR;
-	(void)*SCLSR;
-	*SCLSR = 0x00;
+	readw(SCFSR);
+	writew(FSR_ERR_CLEAR, SCFSR);
+	readw(SCLSR);
+	writew(0x00, SCLSR);
 }
 
 int serial_getc_check(void)
 {
 	unsigned short status;
 
-	status = *SCFSR;
+	status = readw(SCFSR);
 
 	if (status & (FSR_FER | FSR_ER | FSR_BRK))
 		handle_error();
-	if (*SCLSR & LSR_ORER)
+	if (readw(SCLSR) & LSR_ORER)
 		handle_error();
 	return status & (FSR_DR | FSR_RDF);
 }
@@ -223,15 +224,15 @@ int serial_getc(void)
 	while (!serial_getc_check())
 		;
 
-	ch = *SCFRDR;
-	status = *SCFSR;
+	ch = readb(SCFRDR);
+	status = readw(SCFSR);
 
-	*SCFSR = RDRF_CLEAR;
+	writew(RDRF_CLEAR, SCFSR);
 
 	if (status & (FSR_FER | FSR_FER | FSR_ER | FSR_BRK))
 		handle_error();
 
-	if (*SCLSR & LSR_ORER)
+	if (readw(SCLSR) & LSR_ORER)
 		handle_error();
 
 	return ch;