Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx> Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxx> Cc: Patrice Vilchez <patrice.vilchez@xxxxxxxxx> --- 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 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox