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r: 123838
b: refs/heads/master
c: 0241cbb
h: refs/heads/master
v: v3
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Ben Dooks committed Dec 15, 2008
1 parent a9d1259 commit c84abf5
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Showing 5 changed files with 214 additions and 2 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: e1a2bd1d2f368faaf377fdf8404a685280a3d0a3
refs/heads/master: 0241cbb9d62613f6952d023a04d565901a3ca1ad
1 change: 1 addition & 0 deletions trunk/arch/arm/plat-s3c/include/plat/devs.h
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Expand Up @@ -17,6 +17,7 @@ struct s3c24xx_uart_resources {
};

extern struct s3c24xx_uart_resources s3c2410_uart_resources[];
extern struct s3c24xx_uart_resources s3c64xx_uart_resources[];

extern struct platform_device *s3c24xx_uart_devs[];
extern struct platform_device *s3c24xx_uart_src[];
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2 changes: 2 additions & 0 deletions trunk/arch/arm/plat-s3c64xx/Makefile
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Expand Up @@ -11,3 +11,5 @@ obj-n := dummy.o
obj- :=

# Core files

obj-y += dev-uart.o
176 changes: 176 additions & 0 deletions trunk/arch/arm/plat-s3c64xx/dev-uart.c
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/* linux/arch/arm/plat-s3c64xx/dev-uart.c
*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* Base S3C64XX UART resource and device definitions
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/platform_device.h>

#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/map.h>

#include <plat/devs.h>

/* Serial port registrations */

/* 64xx uarts are closer together */

static struct resource s3c64xx_uart0_resource[] = {
[0] = {
.start = S3C_PA_UART0,
.end = S3C_PA_UART0 + 0x100,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_S3CUART_RX0,
.end = IRQ_S3CUART_RX0,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_S3CUART_TX0,
.end = IRQ_S3CUART_TX0,
.flags = IORESOURCE_IRQ,

},
[3] = {
.start = IRQ_S3CUART_ERR0,
.end = IRQ_S3CUART_ERR0,
.flags = IORESOURCE_IRQ,
}
};

static struct resource s3c64xx_uart1_resource[] = {
[0] = {
.start = S3C_PA_UART1,
.end = S3C_PA_UART1 + 0x100,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_S3CUART_RX1,
.end = IRQ_S3CUART_RX1,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_S3CUART_TX1,
.end = IRQ_S3CUART_TX1,
.flags = IORESOURCE_IRQ,

},
[3] = {
.start = IRQ_S3CUART_ERR1,
.end = IRQ_S3CUART_ERR1,
.flags = IORESOURCE_IRQ,
},
};

static struct resource s3c6xx_uart2_resource[] = {
[0] = {
.start = S3C_PA_UART2,
.end = S3C_PA_UART2 + 0x100,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_S3CUART_RX2,
.end = IRQ_S3CUART_RX2,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_S3CUART_TX2,
.end = IRQ_S3CUART_TX2,
.flags = IORESOURCE_IRQ,

},
[3] = {
.start = IRQ_S3CUART_ERR2,
.end = IRQ_S3CUART_ERR2,
.flags = IORESOURCE_IRQ,
},
};

static struct resource s3c64xx_uart3_resource[] = {
[0] = {
.start = S3C_PA_UART3,
.end = S3C_PA_UART3 + 0x100,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_S3CUART_RX3,
.end = IRQ_S3CUART_RX3,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_S3CUART_TX3,
.end = IRQ_S3CUART_TX3,
.flags = IORESOURCE_IRQ,

},
[3] = {
.start = IRQ_S3CUART_ERR3,
.end = IRQ_S3CUART_ERR3,
.flags = IORESOURCE_IRQ,
},
};


struct s3c24xx_uart_resources s3c64xx_uart_resources[] __initdata = {
[0] = {
.resources = s3c64xx_uart0_resource,
.nr_resources = ARRAY_SIZE(s3c64xx_uart0_resource),
},
[1] = {
.resources = s3c64xx_uart1_resource,
.nr_resources = ARRAY_SIZE(s3c64xx_uart1_resource),
},
[2] = {
.resources = s3c6xx_uart2_resource,
.nr_resources = ARRAY_SIZE(s3c6xx_uart2_resource),
},
[3] = {
.resources = s3c64xx_uart3_resource,
.nr_resources = ARRAY_SIZE(s3c64xx_uart3_resource),
},
};

/* uart devices */

static struct platform_device s3c24xx_uart_device0 = {
.id = 0,
};

static struct platform_device s3c24xx_uart_device1 = {
.id = 1,
};

static struct platform_device s3c24xx_uart_device2 = {
.id = 2,
};

static struct platform_device s3c24xx_uart_device3 = {
.id = 3,
};

struct platform_device *s3c24xx_uart_src[4] = {
&s3c24xx_uart_device0,
&s3c24xx_uart_device1,
&s3c24xx_uart_device2,
&s3c24xx_uart_device3,
};

struct platform_device *s3c24xx_uart_devs[4] = {
};

35 changes: 34 additions & 1 deletion trunk/arch/arm/plat-s3c64xx/include/plat/irqs.h
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Expand Up @@ -15,12 +15,45 @@
* the ISA space, so that the PC104 has them to itself
* and we don't end up having to do horrible things to the
* standard ISA drivers....
*
* note, since we're using the VICs, our start must be a
* mulitple of 32 to allow the common code to work
*/

#define S3C_IRQ_OFFSET (16)
#define S3C_IRQ_OFFSET (32)

#define S3C_IRQ(x) ((x) + S3C_IRQ_OFFSET)

/* UART interrupts, each UART has 4 intterupts per channel so
* use the space between the ISA and S3C main interrupts. Note, these
* are not in the same order as the S3C24XX series! */

#define IRQ_S3CUART_BASE0 (16)
#define IRQ_S3CUART_BASE1 (20)
#define IRQ_S3CUART_BASE2 (24)
#define IRQ_S3CUART_BASE3 (28)

#define UART_IRQ_RXD (0)
#define UART_IRQ_ERR (1)
#define UART_IRQ_TXD (2)
#define UART_IRQ_MODEM (3)

#define IRQ_S3CUART_RX0 (IRQ_S3CUART_BASE0 + UART_IRQ_RXD)
#define IRQ_S3CUART_TX0 (IRQ_S3CUART_BASE0 + UART_IRQ_TXD)
#define IRQ_S3CUART_ERR0 (IRQ_S3CUART_BASE0 + UART_IRQ_ERR)

#define IRQ_S3CUART_RX1 (IRQ_S3CUART_BASE1 + UART_IRQ_RXD)
#define IRQ_S3CUART_TX1 (IRQ_S3CUART_BASE1 + UART_IRQ_TXD)
#define IRQ_S3CUART_ERR1 (IRQ_S3CUART_BASE1 + UART_IRQ_ERR)

#define IRQ_S3CUART_RX2 (IRQ_S3CUART_BASE2 + UART_IRQ_RXD)
#define IRQ_S3CUART_TX2 (IRQ_S3CUART_BASE2 + UART_IRQ_TXD)
#define IRQ_S3CUART_ERR2 (IRQ_S3CUART_BASE2 + UART_IRQ_ERR)

#define IRQ_S3CUART_RX3 (IRQ_S3CUART_BASE3 + UART_IRQ_RXD)
#define IRQ_S3CUART_TX3 (IRQ_S3CUART_BASE3 + UART_IRQ_TXD)
#define IRQ_S3CUART_ERR3 (IRQ_S3CUART_BASE3 + UART_IRQ_ERR)

/* Since the IRQ_EINT(x) are a linear mapping on current s3c64xx series
* we just defined them as an IRQ_EINT(x) macro from S3C_IRQ_EINT_BASE
* which we place after the pair of VICs. */
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