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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-01-11 16:35:16 +0100 |
|---|---|---|
| committer | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2009-01-16 11:59:20 +0900 |
| commit | fc83c9273cec6e6e542f4a0ea3b653b7d0513ffa (patch) | |
| tree | 5559a6237fc7c6bba11b306a3358c6bcb046d150 /drivers/serial | |
| parent | 9e1fa628bdb64745811cdd26c4f953846c076180 (diff) | |
| download | u-boot-imx-fc83c9273cec6e6e542f4a0ea3b653b7d0513ffa.zip u-boot-imx-fc83c9273cec6e6e542f4a0ea3b653b7d0513ffa.tar.gz u-boot-imx-fc83c9273cec6e6e542f4a0ea3b653b7d0513ffa.tar.bz2 | |
sh: serial: use readx/writex accessors
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_sh.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c index e47ec2e..bfdb2ce 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) @@ -132,17 +133,17 @@ 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; @@ -151,9 +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 } @@ -162,15 +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) @@ -196,22 +197,21 @@ int serial_tstc(void) #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); } @@ -224,15 +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; |