linux-IllusionX/arch/ppc/syslib/mpc83xx_devices.c
Kumar Gala 7f8cd80fb2 [PATCH] ppc32: Fix platform device initialization of 8250 serial ports
Initialization of 8250 serial ports that are platform devices require that
at empty entry exists in the array of plat_serial8250_port.  With out an
empty entry we can get some pretty random behavior.

Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-20 15:48:19 -07:00

238 lines
5.1 KiB
C

/*
* arch/ppc/platforms/83xx/mpc83xx_devices.c
*
* MPC83xx Device descriptions
*
* Maintainer: Kumar Gala <kumar.gala@freescale.com>
*
* Copyright 2005 Freescale Semiconductor Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/serial_8250.h>
#include <linux/fsl_devices.h>
#include <asm/mpc83xx.h>
#include <asm/irq.h>
#include <asm/ppc_sys.h>
/* We use offsets for IORESOURCE_MEM since we do not know at compile time
* what IMMRBAR is, will get fixed up by mach_mpc83xx_fixup
*/
static struct gianfar_platform_data mpc83xx_tsec1_pdata = {
.device_flags = FSL_GIANFAR_DEV_HAS_GIGABIT |
FSL_GIANFAR_DEV_HAS_COALESCE | FSL_GIANFAR_DEV_HAS_RMON |
FSL_GIANFAR_DEV_HAS_MULTI_INTR,
.phy_reg_addr = 0x24000,
};
static struct gianfar_platform_data mpc83xx_tsec2_pdata = {
.device_flags = FSL_GIANFAR_DEV_HAS_GIGABIT |
FSL_GIANFAR_DEV_HAS_COALESCE | FSL_GIANFAR_DEV_HAS_RMON |
FSL_GIANFAR_DEV_HAS_MULTI_INTR,
.phy_reg_addr = 0x24000,
};
static struct fsl_i2c_platform_data mpc83xx_fsl_i2c1_pdata = {
.device_flags = FSL_I2C_DEV_SEPARATE_DFSRR,
};
static struct fsl_i2c_platform_data mpc83xx_fsl_i2c2_pdata = {
.device_flags = FSL_I2C_DEV_SEPARATE_DFSRR,
};
static struct plat_serial8250_port serial_platform_data[] = {
[0] = {
.mapbase = 0x4500,
.irq = MPC83xx_IRQ_UART1,
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
},
[1] = {
.mapbase = 0x4600,
.irq = MPC83xx_IRQ_UART2,
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
},
{ },
};
struct platform_device ppc_sys_platform_devices[] = {
[MPC83xx_TSEC1] = {
.name = "fsl-gianfar",
.id = 1,
.dev.platform_data = &mpc83xx_tsec1_pdata,
.num_resources = 4,
.resource = (struct resource[]) {
{
.start = 0x24000,
.end = 0x24fff,
.flags = IORESOURCE_MEM,
},
{
.name = "tx",
.start = MPC83xx_IRQ_TSEC1_TX,
.end = MPC83xx_IRQ_TSEC1_TX,
.flags = IORESOURCE_IRQ,
},
{
.name = "rx",
.start = MPC83xx_IRQ_TSEC1_RX,
.end = MPC83xx_IRQ_TSEC1_RX,
.flags = IORESOURCE_IRQ,
},
{
.name = "error",
.start = MPC83xx_IRQ_TSEC1_ERROR,
.end = MPC83xx_IRQ_TSEC1_ERROR,
.flags = IORESOURCE_IRQ,
},
},
},
[MPC83xx_TSEC2] = {
.name = "fsl-gianfar",
.id = 2,
.dev.platform_data = &mpc83xx_tsec2_pdata,
.num_resources = 4,
.resource = (struct resource[]) {
{
.start = 0x25000,
.end = 0x25fff,
.flags = IORESOURCE_MEM,
},
{
.name = "tx",
.start = MPC83xx_IRQ_TSEC2_TX,
.end = MPC83xx_IRQ_TSEC2_TX,
.flags = IORESOURCE_IRQ,
},
{
.name = "rx",
.start = MPC83xx_IRQ_TSEC2_RX,
.end = MPC83xx_IRQ_TSEC2_RX,
.flags = IORESOURCE_IRQ,
},
{
.name = "error",
.start = MPC83xx_IRQ_TSEC2_ERROR,
.end = MPC83xx_IRQ_TSEC2_ERROR,
.flags = IORESOURCE_IRQ,
},
},
},
[MPC83xx_IIC1] = {
.name = "fsl-i2c",
.id = 1,
.dev.platform_data = &mpc83xx_fsl_i2c1_pdata,
.num_resources = 2,
.resource = (struct resource[]) {
{
.start = 0x3000,
.end = 0x30ff,
.flags = IORESOURCE_MEM,
},
{
.start = MPC83xx_IRQ_IIC1,
.end = MPC83xx_IRQ_IIC1,
.flags = IORESOURCE_IRQ,
},
},
},
[MPC83xx_IIC2] = {
.name = "fsl-i2c",
.id = 2,
.dev.platform_data = &mpc83xx_fsl_i2c2_pdata,
.num_resources = 2,
.resource = (struct resource[]) {
{
.start = 0x3100,
.end = 0x31ff,
.flags = IORESOURCE_MEM,
},
{
.start = MPC83xx_IRQ_IIC2,
.end = MPC83xx_IRQ_IIC2,
.flags = IORESOURCE_IRQ,
},
},
},
[MPC83xx_DUART] = {
.name = "serial8250",
.id = 0,
.dev.platform_data = serial_platform_data,
},
[MPC83xx_SEC2] = {
.name = "fsl-sec2",
.id = 1,
.num_resources = 2,
.resource = (struct resource[]) {
{
.start = 0x30000,
.end = 0x3ffff,
.flags = IORESOURCE_MEM,
},
{
.start = MPC83xx_IRQ_SEC2,
.end = MPC83xx_IRQ_SEC2,
.flags = IORESOURCE_IRQ,
},
},
},
[MPC83xx_USB2_DR] = {
.name = "fsl-usb2-dr",
.id = 1,
.num_resources = 2,
.resource = (struct resource[]) {
{
.start = 0x22000,
.end = 0x22fff,
.flags = IORESOURCE_MEM,
},
{
.start = MPC83xx_IRQ_USB2_DR,
.end = MPC83xx_IRQ_USB2_DR,
.flags = IORESOURCE_IRQ,
},
},
},
[MPC83xx_USB2_MPH] = {
.name = "fsl-usb2-mph",
.id = 1,
.num_resources = 2,
.resource = (struct resource[]) {
{
.start = 0x23000,
.end = 0x23fff,
.flags = IORESOURCE_MEM,
},
{
.start = MPC83xx_IRQ_USB2_MPH,
.end = MPC83xx_IRQ_USB2_MPH,
.flags = IORESOURCE_IRQ,
},
},
},
};
static int __init mach_mpc83xx_fixup(struct platform_device *pdev)
{
ppc_sys_fixup_mem_resource(pdev, immrbar);
return 0;
}
static int __init mach_mpc83xx_init(void)
{
if (ppc_md.progress)
ppc_md.progress("mach_mpc83xx_init:enter", 0);
ppc_sys_device_fixup = mach_mpc83xx_fixup;
return 0;
}
postcore_initcall(mach_mpc83xx_init);