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ARM: S5P64X0: Add UART serial support for S5P6450

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This patch adds UART serial port support for S5P6450 SoC.
The S5P6450 has 6 UARTs, so adds resource of UART4 and UART5.
And to fix membase which is in serial/samsung.c is from Ben Dooks.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Kukjin Kim 2010-09-01 15:13:44 +09:00
parent 6f315cb562
commit 2555e663b3
3 changed files with 63 additions and 4 deletions
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58
arch/arm/plat-s5p/dev-uart.c
View File

@ -119,6 +119,56 @@ static struct resource s5p_uart3_resource[] = {
#endif
};
static struct resource s5p_uart4_resource[] = {
#if CONFIG_SERIAL_SAMSUNG_UARTS > 4
[0] = {
.start = S5P_PA_UART4,
.end = S5P_PA_UART4 + S5P_SZ_UART,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_S5P_UART_RX4,
.end = IRQ_S5P_UART_RX4,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_S5P_UART_TX4,
.end = IRQ_S5P_UART_TX4,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = IRQ_S5P_UART_ERR4,
.end = IRQ_S5P_UART_ERR4,
.flags = IORESOURCE_IRQ,
},
#endif
};
static struct resource s5p_uart5_resource[] = {
#if CONFIG_SERIAL_SAMSUNG_UARTS > 5
[0] = {
.start = S5P_PA_UART5,
.end = S5P_PA_UART5 + S5P_SZ_UART,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_S5P_UART_RX5,
.end = IRQ_S5P_UART_RX5,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_S5P_UART_TX5,
.end = IRQ_S5P_UART_TX5,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = IRQ_S5P_UART_ERR5,
.end = IRQ_S5P_UART_ERR5,
.flags = IORESOURCE_IRQ,
},
#endif
};
struct s3c24xx_uart_resources s5p_uart_resources[] __initdata = {
[0] = {
.resources = s5p_uart0_resource,
@ -136,4 +186,12 @@ struct s3c24xx_uart_resources s5p_uart_resources[] __initdata = {
.resources = s5p_uart3_resource,
.nr_resources = ARRAY_SIZE(s5p_uart3_resource),
},
[4] = {
.resources = s5p_uart4_resource,
.nr_resources = ARRAY_SIZE(s5p_uart4_resource),
},
[5] = {
.resources = s5p_uart5_resource,
.nr_resources = ARRAY_SIZE(s5p_uart5_resource),
},
};

7
drivers/serial/Kconfig
View File

@ -458,6 +458,7 @@ config SERIAL_SAMSUNG_UARTS
int
depends on ARM && PLAT_SAMSUNG
default 2 if ARCH_S3C2400
default 6 if ARCH_S5P6450
default 4 if SERIAL_SAMSUNG_UARTS_4
default 3
help
@ -526,12 +527,12 @@ config SERIAL_S3C24A0
Serial port support for the Samsung S3C24A0 SoC
config SERIAL_S3C6400
tristate "Samsung S3C6400/S3C6410/S5P6440/S5PC100 Serial port support"
depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410 || CPU_S5P6440 || CPU_S5PC100)
tristate "Samsung S3C6400/S3C6410/S5P6440/S5P6450/S5PC100 Serial port support"
depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410 || CPU_S5P6440 || CPU_S5P6450 || CPU_S5PC100)
select SERIAL_SAMSUNG_UARTS_4
default y
help
Serial port support for the Samsung S3C6400, S3C6410, S5P6440
Serial port support for the Samsung S3C6400, S3C6410, S5P6440, S5P6450
and S5PC100 SoCs
config SERIAL_S5PV210

2
drivers/serial/samsung.c
View File

@ -1101,7 +1101,7 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
dbg("resource %p (%lx..%lx)\n", res, res->start, res->end);
port->mapbase = res->start;
port->membase = S3C_VA_UART + res->start - (S3C_PA_UART & 0xfff00000);
port->membase = S3C_VA_UART + (res->start & 0xfffff);
ret = platform_get_irq(platdev, 0);
if (ret < 0)
port->irq = 0;