diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_pxa.c | 94 |
1 files changed, 49 insertions, 45 deletions
diff --git a/drivers/serial/serial_pxa.c b/drivers/serial/serial_pxa.c index b74e439..e457980 100644 --- a/drivers/serial/serial_pxa.c +++ b/drivers/serial/serial_pxa.c @@ -32,6 +32,7 @@ #include <watchdog.h> #include <serial.h> #include <asm/arch/pxa-regs.h> +#include <asm/io.h> DECLARE_GLOBAL_DATA_PTR; @@ -73,60 +74,60 @@ void pxa_setbrg_dev (unsigned int uart_index) switch (uart_index) { case FFUART_INDEX: #ifdef CONFIG_CPU_MONAHANS - CKENA |= CKENA_22_FFUART; + writel(readl(CKENA) | CKENA_22_FFUART, CKENA); #else - CKEN |= CKEN6_FFUART; + writel(readl(CKEN) | CKEN6_FFUART, CKEN); #endif /* CONFIG_CPU_MONAHANS */ - FFIER = 0; /* Disable for now */ - FFFCR = 0; /* No fifos enabled */ + writel(0, FFIER); /* Disable for now */ + writel(0, FFFCR); /* No fifos enabled */ /* set baud rate */ - FFLCR = LCR_WLS0 | LCR_WLS1 | LCR_DLAB; - FFDLL = quot & 0xff; - FFDLH = quot >> 8; - FFLCR = LCR_WLS0 | LCR_WLS1; + writel(LCR_WLS0 | LCR_WLS1 | LCR_DLAB, FFLCR); + writel(quot & 0xff, FFDLL); + writel(quot >> 8, FFDLH); + writel(LCR_WLS0 | LCR_WLS1, FFLCR); - FFIER = IER_UUE; /* Enable FFUART */ + writel(IER_UUE, FFIER); /* Enable FFUART */ break; case BTUART_INDEX: #ifdef CONFIG_CPU_MONAHANS - CKENA |= CKENA_21_BTUART; + writel(readl(CKENA) | CKENA_21_BTUART, CKENA); #else - CKEN |= CKEN7_BTUART; + writel(readl(CKEN) | CKEN7_BTUART, CKEN); #endif /* CONFIG_CPU_MONAHANS */ - BTIER = 0; - BTFCR = 0; + writel(0, BTIER); + writel(0, BTFCR); /* set baud rate */ - BTLCR = LCR_DLAB; - BTDLL = quot & 0xff; - BTDLH = quot >> 8; - BTLCR = LCR_WLS0 | LCR_WLS1; + writel(LCR_DLAB, BTLCR); + writel(quot & 0xff, BTDLL); + writel(quot >> 8, BTDLH); + writel(LCR_WLS0 | LCR_WLS1, BTLCR); - BTIER = IER_UUE; /* Enable BFUART */ + writel(IER_UUE, BTIER); /* Enable BFUART */ break; case STUART_INDEX: #ifdef CONFIG_CPU_MONAHANS - CKENA |= CKENA_23_STUART; + writel(readl(CKENA) | CKENA_23_STUART, CKENA); #else - CKEN |= CKEN5_STUART; + writel(readl(CKEN) | CKEN5_STUART, CKEN); #endif /* CONFIG_CPU_MONAHANS */ - STIER = 0; - STFCR = 0; + writel(0, STIER); + writel(0, STFCR); /* set baud rate */ - STLCR = LCR_DLAB; - STDLL = quot & 0xff; - STDLH = quot >> 8; - STLCR = LCR_WLS0 | LCR_WLS1; + writel(LCR_DLAB, STLCR); + writel(quot & 0xff, STDLL); + writel(quot >> 8, STDLH); + writel(LCR_WLS0 | LCR_WLS1, STLCR); - STIER = IER_UUE; /* Enable STUART */ + writel(IER_UUE, STIER); /* Enable STUART */ break; default: @@ -156,21 +157,21 @@ void pxa_putc_dev (unsigned int uart_index,const char c) switch (uart_index) { case FFUART_INDEX: /* wait for room in the tx FIFO on FFUART */ - while ((FFLSR & LSR_TEMT) == 0) + while ((readl(FFLSR) & LSR_TEMT) == 0) WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - FFTHR = c; + writel(c, FFTHR); break; case BTUART_INDEX: - while ((BTLSR & LSR_TEMT ) == 0 ) + while ((readl(BTLSR) & LSR_TEMT) == 0) WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - BTTHR = c; + writel(c, BTTHR); break; case STUART_INDEX: - while ((STLSR & LSR_TEMT ) == 0 ) + while ((readl(STLSR) & LSR_TEMT) == 0) WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - STTHR = c; + writel(c, STTHR); break; } @@ -188,11 +189,11 @@ int pxa_tstc_dev (unsigned int uart_index) { switch (uart_index) { case FFUART_INDEX: - return FFLSR & LSR_DR; + return readl(FFLSR) & LSR_DR; case BTUART_INDEX: - return BTLSR & LSR_DR; + return readl(BTLSR) & LSR_DR; case STUART_INDEX: - return STLSR & LSR_DR; + return readl(STLSR) & LSR_DR; } return -1; } @@ -206,18 +207,21 @@ int pxa_getc_dev (unsigned int uart_index) { switch (uart_index) { case FFUART_INDEX: - while (!(FFLSR & LSR_DR)) - WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - return (char) FFRBR & 0xff; + while (!(readl(FFLSR) & LSR_DR)) + /* Reset HW Watchdog, if needed */ + WATCHDOG_RESET(); + return (char) readl(FFRBR) & 0xff; case BTUART_INDEX: - while (!(BTLSR & LSR_DR)) - WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - return (char) BTRBR & 0xff; + while (!(readl(BTLSR) & LSR_DR)) + /* Reset HW Watchdog, if needed */ + WATCHDOG_RESET(); + return (char) readl(BTRBR) & 0xff; case STUART_INDEX: - while (!(STLSR & LSR_DR)) - WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - return (char) STRBR & 0xff; + while (!(readl(STLSR) & LSR_DR)) + /* Reset HW Watchdog, if needed */ + WATCHDOG_RESET(); + return (char) readl(STRBR) & 0xff; } return -1; } |