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Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc

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This commit is contained in:
Paul Mackerras 2006-07-04 07:33:28 +10:00
commit 39ab9c212a
6 changed files with 1528 additions and 3 deletions
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4
Documentation/powerpc/booting-without-of.txt
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@ -1436,9 +1436,9 @@ platforms are moved over to use the flattened-device-tree model.
interrupts = <1d 3>;
interrupt-parent = <40000>;
num-channels = <4>;
channel-fifo-len = <24>;
channel-fifo-len = <18>;
exec-units-mask = <000000fe>;
descriptor-types-mask = <073f1127>;
descriptor-types-mask = <012b0ebf>;
};

1336
arch/powerpc/configs/mpc834x_itx_defconfig Normal file
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File diff suppressed because it is too large Load diff

11
arch/powerpc/platforms/83xx/Kconfig
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@ -16,12 +16,21 @@ config MPC834x_SYS
3 PCI slots. The PIBs PCI initialization is the bootloader's
responsiblilty.
config MPC834x_ITX
bool "Freescale MPC834x ITX"
select DEFAULT_UIMAGE
help
This option enables support for the MPC 834x ITX evaluation board.
Be aware that PCI initialization is the bootloader's
responsiblilty.
endchoice
config MPC834x
bool
select PPC_UDBG_16550
select PPC_INDIRECT_PCI
default y if MPC834x_SYS
default y if MPC834x_SYS || MPC834x_ITX
endmenu

1
arch/powerpc/platforms/83xx/Makefile
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@ -4,3 +4,4 @@
obj-y := misc.o
obj-$(CONFIG_PCI) += pci.o
obj-$(CONFIG_MPC834x_SYS) += mpc834x_sys.o
obj-$(CONFIG_MPC834x_ITX) += mpc834x_itx.o

156
arch/powerpc/platforms/83xx/mpc834x_itx.c Normal file
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@ -0,0 +1,156 @@
/*
* arch/powerpc/platforms/83xx/mpc834x_itx.c
*
* MPC834x ITX board specific routines
*
* Maintainer: Kumar Gala <galak@kernel.crashing.org>
*
* 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/config.h>
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/reboot.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/major.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <asm/system.h>
#include <asm/atomic.h>
#include <asm/time.h>
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/ipic.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <sysdev/fsl_soc.h>
#include "mpc83xx.h"
#include <platforms/83xx/mpc834x_sys.h>
#ifndef CONFIG_PCI
unsigned long isa_io_base = 0;
unsigned long isa_mem_base = 0;
#endif
#ifdef CONFIG_PCI
static int
mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{PIRQB, PIRQC, PIRQD, PIRQA}, /* idsel 0x0e */
{PIRQA, PIRQB, PIRQC, PIRQD}, /* idsel 0x0f */
{PIRQC, PIRQD, PIRQA, PIRQB}, /* idsel 0x10 */
};
const long min_idsel = 0x0e, max_idsel = 0x10, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
#endif /* CONFIG_PCI */
/* ************************************************************************
*
* Setup the architecture
*
*/
static void __init mpc834x_itx_setup_arch(void)
{
struct device_node *np;
if (ppc_md.progress)
ppc_md.progress("mpc834x_itx_setup_arch()", 0);
np = of_find_node_by_type(NULL, "cpu");
if (np != 0) {
unsigned int *fp =
(int *)get_property(np, "clock-frequency", NULL);
if (fp != 0)
loops_per_jiffy = *fp / HZ;
else
loops_per_jiffy = 50000000 / HZ;
of_node_put(np);
}
#ifdef CONFIG_PCI
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
add_bridge(np);
ppc_md.pci_swizzle = common_swizzle;
ppc_md.pci_map_irq = mpc83xx_map_irq;
ppc_md.pci_exclude_device = mpc83xx_exclude_device;
#endif
#ifdef CONFIG_ROOT_NFS
ROOT_DEV = Root_NFS;
#else
ROOT_DEV = Root_HDA1;
#endif
}
void __init mpc834x_itx_init_IRQ(void)
{
u8 senses[8] = {
0, /* EXT 0 */
IRQ_SENSE_LEVEL, /* EXT 1 */
IRQ_SENSE_LEVEL, /* EXT 2 */
0, /* EXT 3 */
#ifdef CONFIG_PCI
IRQ_SENSE_LEVEL, /* EXT 4 */
IRQ_SENSE_LEVEL, /* EXT 5 */
IRQ_SENSE_LEVEL, /* EXT 6 */
IRQ_SENSE_LEVEL, /* EXT 7 */
#else
0, /* EXT 4 */
0, /* EXT 5 */
0, /* EXT 6 */
0, /* EXT 7 */
#endif
};
ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8);
/* Initialize the default interrupt mapping priorities,
* in case the boot rom changed something on us.
*/
ipic_set_default_priority();
}
/*
* Called very early, MMU is off, device-tree isn't unflattened
*/
static int __init mpc834x_itx_probe(void)
{
/* We always match for now, eventually we should look at the flat
dev tree to ensure this is the board we are suppose to run on
*/
return 1;
}
define_machine(mpc834x_itx) {
.name = "MPC834x ITX",
.probe = mpc834x_itx_probe,
.setup_arch = mpc834x_itx_setup_arch,
.init_IRQ = mpc834x_itx_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};

23
arch/powerpc/platforms/83xx/mpc834x_itx.h Normal file
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@ -0,0 +1,23 @@
/*
* arch/powerpc/platforms/83xx/mpc834x_itx.h
*
* MPC834X ITX common board definitions
*
* Maintainer: Kumar Gala <galak@kernel.crashing.org>
*
* 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.
*
*/
#ifndef __MACH_MPC83XX_ITX_H__
#define __MACH_MPC83XX_ITX_H__
#define PIRQA MPC83xx_IRQ_EXT4
#define PIRQB MPC83xx_IRQ_EXT5
#define PIRQC MPC83xx_IRQ_EXT6
#define PIRQD MPC83xx_IRQ_EXT7
#endif /* __MACH_MPC83XX_ITX_H__ */