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| author | C Nauman <cnauman@diagraph.com> | 2010-10-26 23:04:31 +0900 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2010-10-28 15:35:56 +0900 |
| commit | d9abba8254c3e6b9a1d5c2e52c2d8088bbeb520f (patch) | |
| tree | 7f97ab2012dfa882e65290138379e22de31bf227 /board/trab/rs485.c | |
| parent | 1628cfc4fe4b2c3caa7e9d5622f0665c54e8ba6e (diff) | |
| download | u-boot-imx-d9abba8254c3e6b9a1d5c2e52c2d8088bbeb520f.zip u-boot-imx-d9abba8254c3e6b9a1d5c2e52c2d8088bbeb520f.tar.gz u-boot-imx-d9abba8254c3e6b9a1d5c2e52c2d8088bbeb520f.tar.bz2 | |
Add generic support for samsung s3c2440
This patch adds generic support for the Samsung s3c2440 processor.
Global s3c24x0 changes to struct members converting from upper case to
lower case.
Signed-off-by: Craig Nauman <cnauman@diagraph.com>
Cc: kevin.morfitt@fearnside-systems.co.uk
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'board/trab/rs485.c')
| -rw-r--r-- | board/trab/rs485.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/board/trab/rs485.c b/board/trab/rs485.c index 6a3a4cd..30336f2 100644 --- a/board/trab/rs485.c +++ b/board/trab/rs485.c @@ -51,16 +51,16 @@ static void rs485_setbrg (void) reg = (33000000 / (16 * 38400)) - 1; /* FIFO enable, Tx/Rx FIFO clear */ - uart->UFCON = 0x07; - uart->UMCON = 0x0; + uart->ufcon = 0x07; + uart->umcon = 0x0; /* Normal,No parity,1 stop,8 bit */ - uart->ULCON = 0x3; + uart->ulcon = 0x3; /* * tx=level,rx=edge,disable timeout int.,enable rx error int., * normal,interrupt or polling */ - uart->UCON = 0x245; - uart->UBRDIV = reg; + uart->ucon = 0x245; + uart->ubrdiv = reg; for (i = 0; i < 100; i++); } @@ -69,16 +69,16 @@ static void rs485_cfgio (void) { struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio(); - gpio->PFCON &= ~(0x3 << 2); - gpio->PFCON |= (0x2 << 2); /* configure GPF1 as RXD1 */ + gpio->pfcon &= ~(0x3 << 2); + gpio->pfcon |= (0x2 << 2); /* configure GPF1 as RXD1 */ - gpio->PFCON &= ~(0x3 << 6); - gpio->PFCON |= (0x2 << 6); /* configure GPF3 as TXD1 */ + gpio->pfcon &= ~(0x3 << 6); + gpio->pfcon |= (0x2 << 6); /* configure GPF3 as TXD1 */ - gpio->PFUP |= (1 << 1); /* disable pullup on GPF1 */ - gpio->PFUP |= (1 << 3); /* disable pullup on GPF3 */ + gpio->pfup |= (1 << 1); /* disable pullup on GPF1 */ + gpio->pfup |= (1 << 3); /* disable pullup on GPF3 */ - gpio->PACON &= ~(1 << 11); /* set GPA11 (RS485_DE) to output */ + gpio->pacon &= ~(1 << 11); /* set GPA11 (RS485_DE) to output */ } /* @@ -104,9 +104,10 @@ int rs485_getc (void) struct s3c24x0_uart * const uart = s3c24x0_get_base_uart(UART_NR); /* wait for character to arrive */ - while (!(uart->UTRSTAT & 0x1)); + while (!(uart->utrstat & 0x1)) + ; - return uart->URXH & 0xff; + return uart->urxh & 0xff; } /* @@ -117,9 +118,10 @@ void rs485_putc (const char c) struct s3c24x0_uart * const uart = s3c24x0_get_base_uart(UART_NR); /* wait for room in the tx FIFO */ - while (!(uart->UTRSTAT & 0x2)); + while (!(uart->utrstat & 0x2)) + ; - uart->UTXH = c; + uart->utxh = c; /* If \n, also do \r */ if (c == '\n') @@ -133,7 +135,7 @@ int rs485_tstc (void) { struct s3c24x0_uart * const uart = s3c24x0_get_base_uart(UART_NR); - return uart->UTRSTAT & 0x1; + return uart->utrstat & 0x1; } void rs485_puts (const char *s) @@ -172,9 +174,9 @@ static void set_rs485de(unsigned char rs485de_state) /* This is on PORT A bit 11 */ if(rs485de_state) - gpio->PADAT |= (1 << 11); + gpio->padat |= (1 << 11); else - gpio->PADAT &= ~(1 << 11); + gpio->padat &= ~(1 << 11); } |