[PATCH 10/10] amba-pl011: switch to "struct resource"
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Mon Jul 18 08:54:38 EDT 2011
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
drivers/serial/amba-pl011.c | 28 +++++++++++++++-------------
1 files changed, 15 insertions(+), 13 deletions(-)
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 442dbc4..c83983d 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -40,6 +40,7 @@
* We wrap our port structure around the generic console_device.
*/
struct amba_uart_port {
+ void __iomem *base;
struct console_device uart; /* uart */
struct clk *clk; /* uart clock */
u32 uartclk;
@@ -53,7 +54,6 @@ to_amba_uart_port(struct console_device *uart)
static int pl011_setbaudrate(struct console_device *cdev, int baudrate)
{
- struct device_d *dev = cdev->dev;
struct amba_uart_port *uart = to_amba_uart_port(cdev);
unsigned int temp;
unsigned int divider;
@@ -72,37 +72,37 @@ static int pl011_setbaudrate(struct console_device *cdev, int baudrate)
temp = (8 * remainder) / baudrate;
fraction = (temp >> 1) + (temp & 1);
- writel(divider, dev->map_base + UART011_IBRD);
- writel(fraction, dev->map_base + UART011_FBRD);
+ writel(divider, uart->base + UART011_IBRD);
+ writel(fraction, uart->base + UART011_FBRD);
return 0;
}
static void pl011_putc(struct console_device *cdev, char c)
{
- struct device_d *dev = cdev->dev;
+ struct amba_uart_port *uart = to_amba_uart_port(cdev);
/* Wait until there is space in the FIFO */
- while (readl(dev->map_base + UART01x_FR) & UART01x_FR_TXFF);
+ while (readl(uart->base + UART01x_FR) & UART01x_FR_TXFF);
/* Send the character */
- writel(c, dev->map_base + UART01x_DR);
+ writel(c, uart->base + UART01x_DR);
}
static int pl011_getc(struct console_device *cdev)
{
- struct device_d *dev = cdev->dev;
+ struct amba_uart_port *uart = to_amba_uart_port(cdev);
unsigned int data;
/* Wait until there is data in the FIFO */
- while (readl(dev->map_base + UART01x_FR) & UART01x_FR_RXFE);
+ while (readl(uart->base + UART01x_FR) & UART01x_FR_RXFE);
- data = readl(dev->map_base + UART01x_DR);
+ data = readl(uart->base + UART01x_DR);
/* Check for an error flag */
if (data & 0xffffff00) {
/* Clear the error */
- writel(0xffffffff, dev->map_base + UART01x_ECR);
+ writel(0xffffffff, uart->base + UART01x_ECR);
return -1;
}
@@ -111,9 +111,9 @@ static int pl011_getc(struct console_device *cdev)
static int pl011_tstc(struct console_device *cdev)
{
- struct device_d *dev = cdev->dev;
+ struct amba_uart_port *uart = to_amba_uart_port(cdev);
- return !(readl(dev->map_base + UART01x_FR) & UART01x_FR_RXFE);
+ return !(readl(uart->base + UART01x_FR) & UART01x_FR_RXFE);
}
int pl011_init_port (struct console_device *cdev)
@@ -121,10 +121,12 @@ int pl011_init_port (struct console_device *cdev)
struct device_d *dev = cdev->dev;
struct amba_uart_port *uart = to_amba_uart_port(cdev);
+ uart->base = (void __iomem *)dev->resource[0].start;
+
/*
** First, disable everything.
*/
- writel(0x0, dev->map_base + UART011_CR);
+ writel(0x0, uart->base + UART011_CR);
/*
* Try to enable the clock producer.
--
1.7.5.4
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