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[POWERPC] Stop using ppc_sys for Xilinx Virtex boards 

The arch/ppc/syslib/ppc_sys.c infrastructure does not work well for the
virtex ports.  Move the ml300 and ml403 board ports over to use the new
virtex_devices infrastructure.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Grant Likely 2007-04-28 05:50:02 +10:00 committed by Paul Mackerras
parent d26cd57071
commit 8c38fc2b74
7 changed files with 11 additions and 187 deletions
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1
arch/ppc/platforms/4xx/Makefile
View File

@ -28,5 +28,4 @@ obj-$(CONFIG_440SP) += ibm440sp.o
obj-$(CONFIG_440SPE) += ppc440spe.o
obj-$(CONFIG_405EP) += ibm405ep.o
obj-$(CONFIG_405GPR) += ibm405gpr.o
obj-$(CONFIG_XILINX_VIRTEX) += virtex.o

56
arch/ppc/platforms/4xx/virtex.c
View File

@ -1,56 +0,0 @@
/*
* Virtex-II Pro & Virtex-4 FX common infrastructure
*
* Maintainer: Grant Likely <grant.likely@secretlab.ca>
*
* Copyright 2005 Secret Lab Technologies Ltd.
* Copyright 2005 General Dynamics Canada Ltd.
* 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 <asm/ppc_sys.h>
#include <platforms/4xx/virtex.h>
#include <platforms/4xx/xparameters/xparameters.h>
#define XPAR_UART(num) { \
.mapbase = XPAR_UARTNS550_##num##_BASEADDR + 3, \
.irq = XPAR_INTC_0_UARTNS550_##num##_VEC_ID, \
.iotype = UPIO_MEM, \
.uartclk = XPAR_UARTNS550_##num##_CLOCK_FREQ_HZ, \
.flags = UPF_BOOT_AUTOCONF, \
.regshift = 2, \
}
struct plat_serial8250_port serial_platform_data[] = {
#ifdef XPAR_UARTNS550_0_BASEADDR
XPAR_UART(0),
#endif
#ifdef XPAR_UARTNS550_1_BASEADDR
XPAR_UART(1),
#endif
#ifdef XPAR_UARTNS550_2_BASEADDR
XPAR_UART(2),
#endif
#ifdef XPAR_UARTNS550_3_BASEADDR
XPAR_UART(3),
#endif
{ }, /* terminated by empty record */
};
struct platform_device ppc_sys_platform_devices[] = {
[VIRTEX_UART] = {
.name = "serial8250",
.id = 0,
.dev.platform_data = serial_platform_data,
},
};

7
arch/ppc/platforms/4xx/virtex.h
View File

@ -19,13 +19,8 @@
#if !defined(BASE_BAUD)
#define BASE_BAUD (0) /* dummy value; not used */
#endif
/* Device type enumeration for platform bus definitions */
#ifndef __ASSEMBLY__
enum ppc_sys_devices {
VIRTEX_UART, NUM_PPC_SYS_DEVS,
};
typedef struct board_info {
unsigned int bi_memsize; /* DRAM installed, in bytes */
unsigned char bi_enetaddr[6]; /* Local Ethernet MAC address */

64
arch/ppc/platforms/4xx/xilinx_ml300.c
View File

@ -18,9 +18,9 @@
#include <linux/serialP.h>
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/ppc_sys.h>
#include <syslib/gen550.h>
#include <syslib/virtex_devices.h>
#include <platforms/4xx/xparameters/xparameters.h>
/*
@ -53,25 +53,9 @@
* ppc4xx_pic_init arch/ppc/syslib/xilinx_pic.c
*/
/* Board specifications structures */
struct ppc_sys_spec *cur_ppc_sys_spec;
struct ppc_sys_spec ppc_sys_specs[] = {
{
/* Only one entry, always assume the same design */
.ppc_sys_name = "Xilinx ML300 Reference Design",
.mask = 0x00000000,
.value = 0x00000000,
.num_devices = 1,
.device_list = (enum ppc_sys_devices[])
{
VIRTEX_UART,
},
},
};
const char* virtex_machine_name = "ML300 Reference Design";
#if defined(XPAR_POWER_0_POWERDOWN_BASEADDR)
static volatile unsigned *powerdown_base =
(volatile unsigned *) XPAR_POWER_0_POWERDOWN_BASEADDR;
@ -96,52 +80,14 @@ ml300_map_io(void)
#endif
}
/* Early serial support functions */
static void __init
ml300_early_serial_init(int num, struct plat_serial8250_port *pdata)
{
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
struct uart_port serial_req;
memset(&serial_req, 0, sizeof(serial_req));
serial_req.mapbase = pdata->mapbase;
serial_req.membase = pdata->membase;
serial_req.irq = pdata->irq;
serial_req.uartclk = pdata->uartclk;
serial_req.regshift = pdata->regshift;
serial_req.iotype = pdata->iotype;
serial_req.flags = pdata->flags;
gen550_init(num, &serial_req);
#endif
}
void __init
ml300_early_serial_map(void)
{
#ifdef CONFIG_SERIAL_8250
struct plat_serial8250_port *pdata;
int i = 0;
pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(VIRTEX_UART);
while(pdata && pdata->flags)
{
pdata->membase = ioremap(pdata->mapbase, 0x100);
ml300_early_serial_init(i, pdata);
pdata++;
i++;
}
#endif /* CONFIG_SERIAL_8250 */
}
void __init
ml300_setup_arch(void)
{
ml300_early_serial_map();
virtex_early_serial_map();
ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */
/* Identify the system */
printk(KERN_INFO "Xilinx Virtex-II Pro port\n");
printk(KERN_INFO "Port by MontaVista Software, Inc. (source@mvista.com)\n");
printk(KERN_INFO "Xilinx ML300 Reference System (Virtex-II Pro)\n");
}
/* Called after board_setup_irq from ppc4xx_init_IRQ(). */
@ -157,8 +103,6 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
{
ppc4xx_init(r3, r4, r5, r6, r7);
identify_ppc_sys_by_id(mfspr(SPRN_PVR));
ppc_md.setup_arch = ml300_setup_arch;
ppc_md.setup_io_mappings = ml300_map_io;
ppc_md.init_IRQ = ml300_init_irq;
@ -168,7 +112,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
#endif
#ifdef CONFIG_KGDB
ppc_md.early_serial_map = ml300_early_serial_map;
ppc_md.early_serial_map = virtex_early_serial_map;
#endif
}

65
arch/ppc/platforms/4xx/xilinx_ml403.c
View File

@ -1,11 +1,9 @@
/*
* arch/ppc/platforms/4xx/xilinx_ml403.c
*
* Xilinx ML403 evaluation board initialization
*
* Author: Grant Likely <grant.likely@secretlab.ca>
*
* 2005 (c) Secret Lab Technologies Ltd.
* 2005-2007 (c) Secret Lab Technologies Ltd.
* 2002-2004 (c) MontaVista Software, Inc.
*
* This file is licensed under the terms of the GNU General Public License
@ -22,9 +20,9 @@
#include <linux/serialP.h>
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/ppc_sys.h>
#include <syslib/gen550.h>
#include <syslib/virtex_devices.h>
#include <platforms/4xx/xparameters/xparameters.h>
/*
@ -57,25 +55,9 @@
* ppc4xx_pic_init arch/ppc/syslib/xilinx_pic.c
*/
/* Board specifications structures */
struct ppc_sys_spec *cur_ppc_sys_spec;
struct ppc_sys_spec ppc_sys_specs[] = {
{
/* Only one entry, always assume the same design */
.ppc_sys_name = "Xilinx ML403 Reference Design",
.mask = 0x00000000,
.value = 0x00000000,
.num_devices = 1,
.device_list = (enum ppc_sys_devices[])
{
VIRTEX_UART,
},
},
};
const char* virtex_machine_name = "ML403 Reference Design";
#if defined(XPAR_POWER_0_POWERDOWN_BASEADDR)
static volatile unsigned *powerdown_base =
(volatile unsigned *) XPAR_POWER_0_POWERDOWN_BASEADDR;
@ -100,47 +82,10 @@ ml403_map_io(void)
#endif
}
/* Early serial support functions */
static void __init
ml403_early_serial_init(int num, struct plat_serial8250_port *pdata)
{
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
struct uart_port serial_req;
memset(&serial_req, 0, sizeof(serial_req));
serial_req.mapbase = pdata->mapbase;
serial_req.membase = pdata->membase;
serial_req.irq = pdata->irq;
serial_req.uartclk = pdata->uartclk;
serial_req.regshift = pdata->regshift;
serial_req.iotype = pdata->iotype;
serial_req.flags = pdata->flags;
gen550_init(num, &serial_req);
#endif
}
void __init
ml403_early_serial_map(void)
{
#ifdef CONFIG_SERIAL_8250
struct plat_serial8250_port *pdata;
int i = 0;
pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(VIRTEX_UART);
while(pdata && pdata->flags)
{
pdata->membase = ioremap(pdata->mapbase, 0x100);
ml403_early_serial_init(i, pdata);
pdata++;
i++;
}
#endif /* CONFIG_SERIAL_8250 */
}
void __init
ml403_setup_arch(void)
{
ml403_early_serial_map();
virtex_early_serial_map();
ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */
/* Identify the system */
@ -160,8 +105,6 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
{
ppc4xx_init(r3, r4, r5, r6, r7);
identify_ppc_sys_by_id(mfspr(SPRN_PVR));
ppc_md.setup_arch = ml403_setup_arch;
ppc_md.setup_io_mappings = ml403_map_io;
ppc_md.init_IRQ = ml403_init_irq;
@ -171,7 +114,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
#endif
#ifdef CONFIG_KGDB
ppc_md.early_serial_map = ml403_early_serial_map;
ppc_md.early_serial_map = virtex_early_serial_map;
#endif
}

3
arch/ppc/syslib/Makefile
View File

@ -18,7 +18,8 @@ obj-$(CONFIG_440SP) += ibm440gx_common.o ibm440sp_common.o
obj-$(CONFIG_440SPE) += ibm440gx_common.o ibm440sp_common.o ppc440spe_pcie.o
ifeq ($(CONFIG_4xx),y)
ifeq ($(CONFIG_XILINX_VIRTEX),y)
obj-$(CONFIG_40x) += xilinx_pic.o ppc_sys.o
obj-$(CONFIG_40x) += xilinx_pic.o
obj-y += virtex_devices.o
else
ifeq ($(CONFIG_403),y)
obj-$(CONFIG_40x) += ppc403_pic.o

2
include/asm-ppc/ppc_sys.h
View File

@ -33,8 +33,6 @@
#include <asm/mpc52xx.h>
#elif defined(CONFIG_MPC10X_BRIDGE)
#include <asm/mpc10x.h>
#elif defined(CONFIG_XILINX_VIRTEX)
#include <platforms/4xx/virtex.h>
#else
#error "need definition of ppc_sys_devices"
#endif