#include <linux/delay.h>
#include <asm/hardware.h>
+#include <asm/hardware/iop3xx.h>
/*
* Shared variables
*/
/* Send the Address byte w/ the start condition */
- *IOP321_IDBR1 = 0x60;
- *IOP321_ICR1 = 0xE9;
+ *IOP3XX_IDBR1 = 0x60;
+ *IOP3XX_ICR1 = 0xE9;
mdelay(1);
/* Send the START_MSG byte w/ no start or stop condition */
- *IOP321_IDBR1 = 0x0F;
- *IOP321_ICR1 = 0xE8;
+ *IOP3XX_IDBR1 = 0x0F;
+ *IOP3XX_ICR1 = 0xE8;
mdelay(1);
/* Send the SHUTDOWN_COMPLETE Message ID byte w/ no start or stop condition */
- *IOP321_IDBR1 = 0x03;
- *IOP321_ICR1 = 0xE8;
+ *IOP3XX_IDBR1 = 0x03;
+ *IOP3XX_ICR1 = 0xE8;
mdelay(1);
/* Send an ignored byte w/ stop condition */
- *IOP321_IDBR1 = 0x00;
- *IOP321_ICR1 = 0xEA;
+ *IOP3XX_IDBR1 = 0x00;
+ *IOP3XX_ICR1 = 0xEA;
while (1) ;
}
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+#include <asm/hardware/iop3xx.h>
#define IOP321_UART_XTAL 1843200
}
};
-static struct resource iop32x_i2c_0_resources[] = {
- [0] = {
- .start = 0xfffff680,
- .end = 0xfffff698,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP321_I2C_0,
- .end = IRQ_IOP321_I2C_0,
- .flags = IORESOURCE_IRQ
- }
-};
-
-static struct resource iop32x_i2c_1_resources[] = {
- [0] = {
- .start = 0xfffff6a0,
- .end = 0xfffff6b8,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP321_I2C_1,
- .end = IRQ_IOP321_I2C_1,
- .flags = IORESOURCE_IRQ
- }
-};
-
-static struct platform_device iop32x_i2c_0_controller = {
- .name = "IOP3xx-I2C",
- .id = 0,
- .num_resources = 2,
- .resource = iop32x_i2c_0_resources
-};
-
-static struct platform_device iop32x_i2c_1_controller = {
- .name = "IOP3xx-I2C",
- .id = 1,
- .num_resources = 2,
- .resource = iop32x_i2c_1_resources
-};
-
-static struct platform_device *iop32x_devices[] __initdata = {
- &iop32x_i2c_0_controller,
- &iop32x_i2c_1_controller
-};
-
void __init iop32x_init(void)
{
- if(iop_is_321())
- {
- platform_add_devices(iop32x_devices,
- ARRAY_SIZE(iop32x_devices));
- }
+ platform_device_register(&iop3xx_i2c0_device);
+ platform_device_register(&iop3xx_i2c1_device);
early_serial_setup(&iop321_serial_ports[0]);
}
.resource = iop33x_uart1_resources,
};
-static struct resource iop33x_i2c_0_resources[] = {
- [0] = {
- .start = 0xfffff680,
- .end = 0xfffff698,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP331_I2C_0,
- .end = IRQ_IOP331_I2C_0,
- .flags = IORESOURCE_IRQ
- }
-};
-
-static struct resource iop33x_i2c_1_resources[] = {
- [0] = {
- .start = 0xfffff6a0,
- .end = 0xfffff6b8,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP331_I2C_1,
- .end = IRQ_IOP331_I2C_1,
- .flags = IORESOURCE_IRQ
- }
-};
-
-static struct platform_device iop33x_i2c_0_controller = {
- .name = "IOP3xx-I2C",
- .id = 0,
- .num_resources = 2,
- .resource = iop33x_i2c_0_resources
-};
-
-static struct platform_device iop33x_i2c_1_controller = {
- .name = "IOP3xx-I2C",
- .id = 1,
- .num_resources = 2,
- .resource = iop33x_i2c_1_resources
-};
-
static struct platform_device *iop33x_devices[] __initdata = {
&iop33x_uart0,
&iop33x_uart1,
- &iop33x_i2c_0_controller,
- &iop33x_i2c_1_controller
};
void __init iop33x_init(void)
platform_add_devices(iop33x_devices,
ARRAY_SIZE(iop33x_devices));
}
+ platform_device_register(&iop3xx_i2c0_device);
+ platform_device_register(&iop3xx_i2c1_device);
}
#ifdef CONFIG_ARCH_IOP33X
# Makefile for the linux kernel.
#
-obj-y := setup.o
+obj-y := i2c.o setup.o
obj-m :=
obj-n :=
obj- :=
--- /dev/null
+/*
+ * arch/arm/plat-iop/i2c.c
+ *
+ * Author: Nicolas Pitre <nico@cam.org>
+ * Copyright (C) 2001 MontaVista Software, Inc.
+ * Copyright (C) 2004 Intel Corporation.
+ *
+ * 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/mm.h>
+#include <linux/init.h>
+#include <linux/major.h>
+#include <linux/fs.h>
+#include <linux/platform_device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_core.h>
+#include <asm/io.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/mach/map.h>
+#include <asm/setup.h>
+#include <asm/system.h>
+#include <asm/memory.h>
+#include <asm/hardware.h>
+#include <asm/hardware/iop3xx.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#ifdef CONFIG_ARCH_IOP32X
+#define IRQ_IOP3XX_I2C_0 IRQ_IOP321_I2C_0
+#define IRQ_IOP3XX_I2C_1 IRQ_IOP321_I2C_1
+#endif
+#ifdef CONFIG_ARCH_IOP33X
+#define IRQ_IOP3XX_I2C_0 IRQ_IOP331_I2C_0
+#define IRQ_IOP3XX_I2C_1 IRQ_IOP331_I2C_1
+#endif
+
+static struct resource iop3xx_i2c0_resources[] = {
+ [0] = {
+ .start = 0xfffff680,
+ .end = 0xfffff697,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_IOP3XX_I2C_0,
+ .end = IRQ_IOP3XX_I2C_0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device iop3xx_i2c0_device = {
+ .name = "IOP3xx-I2C",
+ .id = 0,
+ .num_resources = 2,
+ .resource = iop3xx_i2c0_resources,
+};
+
+
+static struct resource iop3xx_i2c1_resources[] = {
+ [0] = {
+ .start = 0xfffff6a0,
+ .end = 0xfffff6b7,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_IOP3XX_I2C_1,
+ .end = IRQ_IOP3XX_I2C_1,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device iop3xx_i2c1_device = {
+ .name = "IOP3xx-I2C",
+ .id = 1,
+ .num_resources = 2,
+ .resource = iop3xx_i2c1_resources,
+};
/* SSP serial port unit 0x00001600 - 0x0000167F */
/* I2C bus interface unit 0x00001680 - 0x000016FF */
-#define IOP321_ICR0 (volatile u32 *)IOP321_REG_ADDR(0x00001680)
-#define IOP321_ISR0 (volatile u32 *)IOP321_REG_ADDR(0x00001684)
-#define IOP321_ISAR0 (volatile u32 *)IOP321_REG_ADDR(0x00001688)
-#define IOP321_IDBR0 (volatile u32 *)IOP321_REG_ADDR(0x0000168C)
-/* Reserved 0x00001690 */
-#define IOP321_IBMR0 (volatile u32 *)IOP321_REG_ADDR(0x00001694)
-/* Reserved 0x00001698 */
-/* Reserved 0x0000169C */
-#define IOP321_ICR1 (volatile u32 *)IOP321_REG_ADDR(0x000016A0)
-#define IOP321_ISR1 (volatile u32 *)IOP321_REG_ADDR(0x000016A4)
-#define IOP321_ISAR1 (volatile u32 *)IOP321_REG_ADDR(0x000016A8)
-#define IOP321_IDBR1 (volatile u32 *)IOP321_REG_ADDR(0x000016AC)
-#define IOP321_IBMR1 (volatile u32 *)IOP321_REG_ADDR(0x000016B4)
-/* Reserved 0x000016B8 through 0x000016FC */
/* for I2C bit defs see drivers/i2c/i2c-iop3xx.h */
/* SSP serial port unit 0x00001600 - 0x0000167F */
/* I2C bus interface unit 0x00001680 - 0x000016FF */
-/* for I2C bit defs see drivers/i2c/i2c-iop3xx.h */
-
-#define IOP331_ICR0 (volatile u32 *)IOP331_REG_ADDR(0x00001680)
-#define IOP331_ISR0 (volatile u32 *)IOP331_REG_ADDR(0x00001684)
-#define IOP331_ISAR0 (volatile u32 *)IOP331_REG_ADDR(0x00001688)
-#define IOP331_IDBR0 (volatile u32 *)IOP331_REG_ADDR(0x0000168C)
-/* Reserved 0x00001690 */
-#define IOP331_IBMR0 (volatile u32 *)IOP331_REG_ADDR(0x00001694)
-/* Reserved 0x00001698 */
-/* Reserved 0x0000169C */
-#define IOP331_ICR1 (volatile u32 *)IOP331_REG_ADDR(0x000016A0)
-#define IOP331_ISR1 (volatile u32 *)IOP331_REG_ADDR(0x000016A4)
-#define IOP331_ISAR1 (volatile u32 *)IOP331_REG_ADDR(0x000016A8)
-#define IOP331_IDBR1 (volatile u32 *)IOP331_REG_ADDR(0x000016AC)
-#define IOP331_IBMR1 (volatile u32 *)IOP331_REG_ADDR(0x000016B4)
-/* Reserved 0x000016B8 through 0x000016FF */
/* 0x00001700 through 0x0000172C UART 0 */
#define IOP3XX_PERIPHERAL_SIZE 0x00002000
#define IOP3XX_REG_ADDR(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + (reg))
+/* I2C bus interface unit */
+#define IOP3XX_ICR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1680)
+#define IOP3XX_ISR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1684)
+#define IOP3XX_ISAR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1688)
+#define IOP3XX_IDBR0 (volatile u32 *)IOP3XX_REG_ADDR(0x168c)
+#define IOP3XX_IBMR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1694)
+#define IOP3XX_ICR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16a0)
+#define IOP3XX_ISR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16a4)
+#define IOP3XX_ISAR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16a8)
+#define IOP3XX_IDBR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16ac)
+#define IOP3XX_IBMR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16b4)
+
/*
* IOP3XX I/O and Mem space regions for PCI autoconfiguration
#ifndef __ASSEMBLY__
void iop3xx_map_io(void);
+
+extern struct platform_device iop3xx_i2c0_device;
+extern struct platform_device iop3xx_i2c1_device;
#endif
projects / linux-2.6-omap-h63xx.git / commitdiff