From: Govindraj R <[email protected]> This patch adds platform data support for omap-serial driver.
Signed-off-by: Govindraj R <[email protected]> --- arch/arm/mach-omap2/serial.c | 146 ++++++++++++++++++++++ 1 file changed, 146 insertions(+) diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 021130d..7b46af0 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -13,6 +13,9 @@ * Copyright (C) 2009 Texas Instruments * Added OMAP4 support - Santosh Shilimkar <[email protected] * + * Copyright (C) 2009 Texas Instruments + * Added support for Omap-Serial driver - Govindraj R <[email protected]> + * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. @@ -29,6 +32,10 @@ #include <mach/clock.h> #include <mach/control.h> +#ifdef CONFIG_SERIAL_OMAP +#include <mach/dma.h> +#include <mach/omap-serial.h> +#endif #include "prm.h" #include "pm.h" #include "prm-regbits-34xx.h" @@ -37,6 +44,7 @@ #define DEFAULT_TIMEOUT (5 * HZ) +#ifdef CONFIG_SERIAL_8250 struct omap_uart_state { int num; int can_sleep; @@ -648,3 +656,141 @@ void __init omap_serial_init(void) } } } +#endif + +#ifdef CONFIG_SERIAL_OMAP + +static struct uart_dma_info uart1_dma_state = { +#ifdef CONFIG_SERIAL_OMAP_DMA_UART1 + .dma_enabled = 1, + .rx_dma_bufsize = + CONFIG_SERIAL_OMAP_UART1_RXDMA_BUFSIZE, + .rx_timeout = + CONFIG_SERIAL_OMAP_UART1_RXDMA_TIMEOUT, +#endif +}; + +static struct uart_dma_info uart2_dma_state = { +#ifdef CONFIG_SERIAL_OMAP_DMA_UART2 + .dma_enabled = 1, + .rx_dma_bufsize = + CONFIG_SERIAL_OMAP_UART2_RXDMA_BUFSIZE, + .rx_timeout = + CONFIG_SERIAL_OMAP_UART2_RXDMA_TIMEOUT, +#endif +}; + +static struct uart_dma_info uart3_dma_state = { +#ifdef CONFIG_SERIAL_OMAP_DMA_UART3 + .dma_enabled = 1, + .rx_dma_bufsize = + CONFIG_SERIAL_OMAP_UART3_RXDMA_BUFSIZE, + .rx_timeout = + CONFIG_SERIAL_OMAP_UART3_RXDMA_TIMEOUT, +#endif +}; + +static struct resource omap2_uart1_resources[] = { + { + .start = OMAP_UART1_BASE, + .end = OMAP_UART1_BASE + 0x3ff, + .flags = IORESOURCE_MEM, + }, { + /* UART1 IRQ - 72*/ + .start = INT_24XX_UART1_IRQ, + .flags = IORESOURCE_IRQ, + }, { + /* UART1 TX DMA CHANNEL -S_DMA_48- */ + .start = OMAP24XX_DMA_UART1_TX, + .flags = IORESOURCE_DMA, + }, { + /* UART1 RX DMA CHANNEL -S_DMA_49- */ + .start = OMAP24XX_DMA_UART1_RX, + .flags = IORESOURCE_DMA, + } +}; + +static struct resource omap2_uart2_resources[] = { + { + .start = OMAP_UART2_BASE, + .end = OMAP_UART2_BASE + 0x3ff, + .flags = IORESOURCE_MEM, + }, { + /* UART2 IRQ - 73*/ + .start = INT_24XX_UART2_IRQ, + .flags = IORESOURCE_IRQ, + }, { + /* UART2 TX DMA CHANNEL -S_DMA_50- */ + .start = OMAP24XX_DMA_UART2_TX, + .flags = IORESOURCE_DMA, + }, { + /* UART2 RX DMA CHANNEL -S_DMA_51- */ + .start = OMAP24XX_DMA_UART2_RX, + .flags = IORESOURCE_DMA, + } +}; + +static struct resource omap2_uart3_resources[] = { + { + .start = OMAP_UART3_BASE, + .end = OMAP_UART3_BASE + 0x3ff, + .flags = IORESOURCE_MEM, + }, { + /* UART3 IRQ - 74*/ + .start = INT_24XX_UART3_IRQ, + .flags = IORESOURCE_IRQ, + }, { + /* UART3 TX DMA CHANNEL -S_DMA_52- */ + .start = OMAP24XX_DMA_UART3_TX, + .flags = IORESOURCE_DMA, + }, { + /* UART3 RX DMA CHANNEL -S_DMA_53- */ + .start = OMAP24XX_DMA_UART3_RX, + .flags = IORESOURCE_DMA, + } +}; + +/* OMAP UART platform structure */ +static struct platform_device uart1_device = { + .name = "omap-uart", + .id = 1, + .num_resources = ARRAY_SIZE(omap2_uart1_resources), + .resource = omap2_uart1_resources, + .dev = { + .platform_data = &uart1_dma_state, + }, +}; +static struct platform_device uart2_device = { + .name = "omap-uart", + .id = 2, + .num_resources = ARRAY_SIZE(omap2_uart2_resources), + .resource = omap2_uart2_resources, + .dev = { + .platform_data = &uart2_dma_state, + }, +}; +static struct platform_device uart3_device = { + .name = "omap-uart", + .id = 3, + .num_resources = ARRAY_SIZE(omap2_uart3_resources), + .resource = omap2_uart3_resources, + .dev = { + .platform_data = &uart3_dma_state, + }, +}; + +static struct platform_device *uart_devices[] = { + &uart1_device, + &uart2_device, + &uart3_device, +}; + +void __init omap_serial_init(void) +{ + int ret = 0, i; + for (i = 0; i < OMAP_MAX_NR_PORTS; i++) + omap_uart_idle_init(i); + + ret = platform_add_devices(uart_devices, ARRAY_SIZE(uart_devices)); +} +#endif /* CONFIG_SERIAL_OMAP */ -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
