From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 03/10] at91/serial: switch to "struct resource"
Date: Mon, 18 Jul 2011 14:54:31 +0200 [thread overview]
Message-ID: <1310993678-7563-3-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1310993678-7563-1-git-send-email-plagnioj@jcrosoft.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
drivers/serial/atmel.c | 27 ++++++++++++++-------------
1 files changed, 14 insertions(+), 13 deletions(-)
diff --git a/drivers/serial/atmel.c b/drivers/serial/atmel.c
index 1098952..d8713b3 100644
--- a/drivers/serial/atmel.c
+++ b/drivers/serial/atmel.c
@@ -313,6 +313,7 @@
* We wrap our port structure around the generic console_device.
*/
struct atmel_uart_port {
+ void __iomem *base;
struct console_device uart; /* uart */
struct clk *clk; /* uart clock */
u32 uartclk;
@@ -326,31 +327,30 @@ to_atmel_uart_port(struct console_device *uart)
static void atmel_serial_putc(struct console_device *cdev, char c)
{
- struct device_d *dev = cdev->dev;
+ struct atmel_uart_port *uart = to_atmel_uart_port(cdev);
- while (!(readl(dev->map_base + USART3_CSR) & USART3_BIT(TXRDY)));
+ while (!(readl(uart->base + USART3_CSR) & USART3_BIT(TXRDY)));
- writel(c, dev->map_base + USART3_THR);
+ writel(c, uart->base + USART3_THR);
}
static int atmel_serial_tstc(struct console_device *cdev)
{
- struct device_d *dev = cdev->dev;
+ struct atmel_uart_port *uart = to_atmel_uart_port(cdev);
- return (readl(dev->map_base + USART3_CSR) & USART3_BIT(RXRDY)) != 0;
+ return (readl(uart->base + USART3_CSR) & USART3_BIT(RXRDY)) != 0;
}
static int atmel_serial_getc(struct console_device *cdev)
{
- struct device_d *dev = cdev->dev;
+ struct atmel_uart_port *uart = to_atmel_uart_port(cdev);
- while (!(readl(dev->map_base + USART3_CSR) & USART3_BIT(RXRDY))) ;
- return readl(dev->map_base + USART3_RHR);
+ while (!(readl(uart->base + USART3_CSR) & USART3_BIT(RXRDY))) ;
+ return readl(uart->base + USART3_RHR);
}
static int atmel_serial_setbaudrate(struct console_device *cdev, int baudrate)
{
- struct device_d *dev = cdev->dev;
struct atmel_uart_port *uart = to_atmel_uart_port(cdev);
unsigned long divisor;
@@ -360,7 +360,7 @@ static int atmel_serial_setbaudrate(struct console_device *cdev, int baudrate)
* 16 * CD
*/
divisor = (uart->uartclk / 16 + baudrate / 2) / baudrate;
- writel(USART3_BF(CD, divisor), dev->map_base + USART3_BRGR);
+ writel(USART3_BF(CD, divisor), uart->base + USART3_BRGR);
return 0;
}
@@ -375,20 +375,21 @@ static int atmel_serial_init_port(struct console_device *cdev)
struct device_d *dev = cdev->dev;
struct atmel_uart_port *uart = to_atmel_uart_port(cdev);
+ uart->base = (void __iomem *)dev->resource[0].start;
uart->clk = clk_get(dev, "usart");
clk_enable(uart->clk);
uart->uartclk = clk_get_rate(uart->clk);
- writel(USART3_BIT(RSTRX) | USART3_BIT(RSTTX), dev->map_base + USART3_CR);
+ writel(USART3_BIT(RSTRX) | USART3_BIT(RSTTX), uart->base + USART3_CR);
atmel_serial_setbaudrate(cdev, 115200);
- writel(USART3_BIT(RXEN) | USART3_BIT(TXEN), dev->map_base + USART3_CR);
+ writel(USART3_BIT(RXEN) | USART3_BIT(TXEN), uart->base + USART3_CR);
writel((USART3_BF(USART_MODE, USART3_USART_MODE_NORMAL)
| USART3_BF(USCLKS, USART3_USCLKS_MCK)
| USART3_BF(CHRL, USART3_CHRL_8)
| USART3_BF(PAR, USART3_PAR_NONE)
- | USART3_BF(NBSTOP, USART3_NBSTOP_1)), dev->map_base + USART3_MR);
+ | USART3_BF(NBSTOP, USART3_NBSTOP_1)), uart->base + USART3_MR);
return 0;
}
--
1.7.5.4
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next prev parent reply other threads:[~2011-07-18 13:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-18 12:54 [PATCH 01/10 v2] device: introduce resource structure to simplify resource declaration Jean-Christophe PLAGNIOL-VILLARD
2011-07-18 12:54 ` [PATCH 02/10] at91: switch to all resource declaration to "struct resource" Jean-Christophe PLAGNIOL-VILLARD
2011-07-18 12:54 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2011-07-18 12:54 ` [PATCH 04/10] macb: switch " Jean-Christophe PLAGNIOL-VILLARD
2011-07-18 12:54 ` [PATCH 05/10] atmel_mci: " Jean-Christophe PLAGNIOL-VILLARD
2011-07-18 12:54 ` [PATCH 06/10] atmel_nand: " Jean-Christophe PLAGNIOL-VILLARD
2011-07-18 12:54 ` [PATCH 07/10 v2] dm9200: use "struct resource" instead of platform_data Jean-Christophe PLAGNIOL-VILLARD
2011-07-18 12:54 ` [PATCH 08/10] nomadik: switch to all resource declaration to "struct resource" Jean-Christophe PLAGNIOL-VILLARD
2011-07-18 12:54 ` [PATCH 09/10] nomadik_nand: use "struct resource" instead of platform_data Jean-Christophe PLAGNIOL-VILLARD
2011-07-18 12:54 ` [PATCH 10/10] amba-pl011: switch to "struct resource" Jean-Christophe PLAGNIOL-VILLARD
2011-07-18 20:48 ` [PATCH 01/10 v2] device: introduce resource structure to simplify resource declaration Sascha Hauer
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