Commit 4e8aae89 authored by Paul Gortmaker's avatar Paul Gortmaker Committed by Kumar Gala

[POWERPC] 86xx: Add support for Wind River SBC8641D board

This adds support for the Wind River SBC8641D board, based
largely on the mpc86xx_hpcn support.  The biggest difference is
the lack of the Uli and the i8259 cascade, which simplifies things.
Signed-off-by: default avatarPaul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 1e31de7a
...@@ -11,6 +11,12 @@ config MPC8641_HPCN ...@@ -11,6 +11,12 @@ config MPC8641_HPCN
help help
This option enables support for the MPC8641 HPCN board. This option enables support for the MPC8641 HPCN board.
config SBC8641D
bool "Wind River SBC8641D"
select DEFAULT_UIMAGE
help
This option enables support for the WRS SBC8641D board.
config MPC8610_HPCD config MPC8610_HPCD
bool "Freescale MPC8610 HPCD" bool "Freescale MPC8610 HPCD"
select DEFAULT_UIMAGE select DEFAULT_UIMAGE
...@@ -24,7 +30,7 @@ config MPC8641 ...@@ -24,7 +30,7 @@ config MPC8641
select FSL_PCI if PCI select FSL_PCI if PCI
select PPC_UDBG_16550 select PPC_UDBG_16550
select MPIC select MPIC
default y if MPC8641_HPCN default y if MPC8641_HPCN || SBC8641D
config MPC8610 config MPC8610
bool bool
......
...@@ -4,4 +4,5 @@ ...@@ -4,4 +4,5 @@
obj-$(CONFIG_SMP) += mpc86xx_smp.o obj-$(CONFIG_SMP) += mpc86xx_smp.o
obj-$(CONFIG_MPC8641_HPCN) += mpc86xx_hpcn.o obj-$(CONFIG_MPC8641_HPCN) += mpc86xx_hpcn.o
obj-$(CONFIG_SBC8641D) += sbc8641d.o
obj-$(CONFIG_MPC8610_HPCD) += mpc8610_hpcd.o obj-$(CONFIG_MPC8610_HPCD) += mpc8610_hpcd.o
/*
* SBC8641D board specific routines
*
* Copyright 2008 Wind River Systems Inc.
*
* By Paul Gortmaker (see MAINTAINERS for contact information)
*
* Based largely on the 8641 HPCN support by 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/stddef.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <linux/of_platform.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <asm/mpc86xx.h>
#include <asm/prom.h>
#include <mm/mmu_decl.h>
#include <asm/udbg.h>
#include <asm/mpic.h>
#include <sysdev/fsl_pci.h>
#include <sysdev/fsl_soc.h>
#include "mpc86xx.h"
static void __init
sbc8641_init_irq(void)
{
struct mpic *mpic1;
struct device_node *np;
struct resource res;
/* Determine PIC address. */
np = of_find_node_by_type(NULL, "open-pic");
if (np == NULL)
return;
of_address_to_resource(np, 0, &res);
/* Alloc mpic structure and per isu has 16 INT entries. */
mpic1 = mpic_alloc(np, res.start,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " MPIC ");
of_node_put(np);
BUG_ON(mpic1 == NULL);
mpic_init(mpic1);
}
static void __init
sbc8641_setup_arch(void)
{
#ifdef CONFIG_PCI
struct device_node *np;
#endif
if (ppc_md.progress)
ppc_md.progress("sbc8641_setup_arch()", 0);
#ifdef CONFIG_PCI
for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie")
fsl_add_bridge(np, 0);
#endif
printk("SBC8641 board from Wind River\n");
#ifdef CONFIG_SMP
mpc86xx_smp_init();
#endif
}
static void
sbc8641_show_cpuinfo(struct seq_file *m)
{
struct device_node *root;
uint memsize = total_memory;
const char *model = "";
uint svid = mfspr(SPRN_SVR);
seq_printf(m, "Vendor\t\t: Wind River Systems\n");
root = of_find_node_by_path("/");
if (root)
model = of_get_property(root, "model", NULL);
seq_printf(m, "Machine\t\t: %s\n", model);
of_node_put(root);
seq_printf(m, "SVR\t\t: 0x%x\n", svid);
seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
}
/*
* Called very early, device-tree isn't unflattened
*/
static int __init sbc8641_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (of_flat_dt_is_compatible(root, "wind,sbc8641"))
return 1; /* Looks good */
return 0;
}
static long __init
mpc86xx_time_init(void)
{
unsigned int temp;
/* Set the time base to zero */
mtspr(SPRN_TBWL, 0);
mtspr(SPRN_TBWU, 0);
temp = mfspr(SPRN_HID0);
temp |= HID0_TBEN;
mtspr(SPRN_HID0, temp);
asm volatile("isync");
return 0;
}
static __initdata struct of_device_id of_bus_ids[] = {
{ .compatible = "simple-bus", },
{},
};
static int __init declare_of_platform_devices(void)
{
of_platform_bus_probe(NULL, of_bus_ids, NULL);
return 0;
}
machine_device_initcall(sbc8641, declare_of_platform_devices);
define_machine(sbc8641) {
.name = "SBC8641D",
.probe = sbc8641_probe,
.setup_arch = sbc8641_setup_arch,
.init_IRQ = sbc8641_init_irq,
.show_cpuinfo = sbc8641_show_cpuinfo,
.get_irq = mpic_get_irq,
.restart = fsl_rstcr_restart,
.time_init = mpc86xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
#ifdef CONFIG_PCI
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
#endif
};
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