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path: root/drivers/serial/serial_pxa.c
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Diffstat (limited to 'drivers/serial/serial_pxa.c')
-rw-r--r--drivers/serial/serial_pxa.c94
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;
}