Commit 3490cba5 authored by Jon Loeliger's avatar Jon Loeliger Committed by Kumar Gala

[POWERPC] Add initial iomega StorCenter board port.

Use cuImage bootwrapper until U-Boot port is completed.
Derived heavily from Linkstation port.
Signed-off-by: default avatarJon Loeliger <jdl@freescale.com>
Acked-by: default avatarAndy Wilcox <andy@protium.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent b164b903
......@@ -57,7 +57,7 @@ src-wlib := string.S crt0.S stdio.c main.c \
4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c \
cpm-serial.c stdlib.c mpc52xx-psc.c planetcore.c uartlite.c \
fsl-soc.c mpc8xx.c pq2.c
src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \
src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c \
cuboot-ebony.c treeboot-ebony.c prpmc2800.c \
ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \
cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
......@@ -197,6 +197,7 @@ image-$(CONFIG_EP405) += zImage.ep405
image-$(CONFIG_8260) += cuImage.pq2
image-$(CONFIG_EP8248E) += zImage.ep8248e
image-$(CONFIG_PPC_MPC52xx) += cuImage.52xx
image-$(CONFIG_STORCENTER) += cuImage.824x
image-$(CONFIG_PPC_83xx) += cuImage.83xx
image-$(CONFIG_PPC_85xx) += cuImage.85xx
image-$(CONFIG_MPC7448HPC2) += cuImage.hpc2
......
/*
* Old U-boot compatibility for 824x
*
* Copyright (c) 2007 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 version 2 as published
* by the Free Software Foundation.
*/
#include "ops.h"
#include "stdio.h"
#include "cuboot.h"
#define TARGET_824x
#include "ppcboot.h"
static bd_t bd;
static void platform_fixups(void)
{
void *soc;
dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
dt_fixup_mac_addresses(bd.bi_enetaddr);
dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
soc = find_node_by_devtype(NULL, "soc");
if (soc) {
void *serial = NULL;
setprop(soc, "bus-frequency", &bd.bi_busfreq,
sizeof(bd.bi_busfreq));
while ((serial = find_node_by_devtype(serial, "serial"))) {
if (get_parent(serial) != soc)
continue;
setprop(serial, "clock-frequency", &bd.bi_busfreq,
sizeof(bd.bi_busfreq));
}
}
}
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7)
{
CUBOOT_INIT();
fdt_init(_dtb_start);
serial_console_init();
platform_ops.fixups = platform_fixups;
}
......@@ -9,6 +9,8 @@ config LINKSTATION
select FSL_SOC
select PPC_UDBG_16550 if SERIAL_8250
select DEFAULT_UIMAGE
select MPC10X_OPENPIC
select MPC10X_BRIDGE
help
Select LINKSTATION if configuring for one of PPC- (MPC8241)
based NAS systems from Buffalo Technology. So far only
......@@ -16,6 +18,19 @@ config LINKSTATION
Linkstation-I HD-HLAN and HD-HGLAN versions, and PPC-based
Terastation systems should be supported too.
config STORCENTER
bool "IOMEGA StorCenter"
depends on EMBEDDED6xx
select MPIC
select FSL_SOC
select PPC_UDBG_16550 if SERIAL_8250
select WANT_DEVICE_TREE
select MPC10X_OPENPIC
select MPC10X_BRIDGE
help
Select STORCENTER if configuring for the iomega StorCenter
with an 8241 CPU in it.
config MPC7448HPC2
bool "Freescale MPC7448HPC2(Taiga)"
depends on EMBEDDED6xx
......@@ -23,6 +38,7 @@ config MPC7448HPC2
select DEFAULT_UIMAGE
select PPC_UDBG_16550
select WANT_DEVICE_TREE
select TSI108_BRIDGE
help
Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga)
platform
......@@ -33,6 +49,7 @@ config PPC_HOLLY
select TSI108_BRIDGE
select PPC_UDBG_16550
select WANT_DEVICE_TREE
select TSI108_BRIDGE
help
Select PPC_HOLLY if configuring for an IBM 750GX/CL Eval
Board with TSI108/9 bridge (Hickory/Holly)
......@@ -48,17 +65,13 @@ config PPC_PRPMC2800
config TSI108_BRIDGE
bool
depends on MPC7448HPC2 || PPC_HOLLY
select PCI
select MPIC
select MPIC_WEIRD
default y
config MPC10X_BRIDGE
bool
depends on LINKSTATION
select PPC_INDIRECT_PCI
default y
config MV64X60
bool
......@@ -67,8 +80,6 @@ config MV64X60
config MPC10X_OPENPIC
bool
depends on LINKSTATION
default y
config MPC10X_STORE_GATHERING
bool "Enable MPC10x store gathering"
......
......@@ -3,5 +3,6 @@
#
obj-$(CONFIG_MPC7448HPC2) += mpc7448_hpc2.o
obj-$(CONFIG_LINKSTATION) += linkstation.o ls_uart.o
obj-$(CONFIG_STORCENTER) += storcenter.o
obj-$(CONFIG_PPC_HOLLY) += holly.o
obj-$(CONFIG_PPC_PRPMC2800) += prpmc2800.o
/*
* Board setup routines for the storcenter
*
* Copyright 2007 (C) Oyvind Repvik (nail@nslu2-linux.org)
* Copyright 2007 Andy Wilcox, Jon Loeliger
*
* Based on linkstation.c by G. Liakhovetski
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of
* any kind, whether express or implied.
*/
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/initrd.h>
#include <linux/mtd/physmap.h>
#include <linux/of_platform.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/prom.h>
#include <asm/mpic.h>
#include <asm/pci-bridge.h>
#include "mpc10x.h"
#ifdef CONFIG_MTD_PHYSMAP
static struct mtd_partition storcenter_physmap_partitions[] = {
{
.name = "kernel",
.offset = 0x000000,
.size = 0x170000,
},
{
.name = "rootfs",
.offset = 0x170000,
.size = 0x590000,
},
{
.name = "uboot",
.offset = 0x700000,
.size = 0x040000,
},
{
.name = "config",
.offset = 0x740000,
.size = 0x0c0000,
},
};
#endif
static __initdata struct of_device_id storcenter_of_bus[] = {
{ .name = "soc", },
{},
};
static int __init storcenter_device_probe(void)
{
of_platform_bus_probe(NULL, storcenter_of_bus, NULL);
return 0;
}
machine_device_initcall(storcenter, storcenter_device_probe);
static int __init storcenter_add_bridge(struct device_node *dev)
{
#ifdef CONFIG_PCI
int len;
struct pci_controller *hose;
const int *bus_range;
printk("Adding PCI host bridge %s\n", dev->full_name);
hose = pcibios_alloc_controller(dev);
if (hose == NULL)
return -ENOMEM;
bus_range = of_get_property(dev, "bus-range", &len);
hose->first_busno = bus_range ? bus_range[0] : 0;
hose->last_busno = bus_range ? bus_range[1] : 0xff;
setup_indirect_pci(hose, MPC10X_MAPB_CNFG_ADDR, MPC10X_MAPB_CNFG_DATA, 0);
/* Interpret the "ranges" property */
/* This also maps the I/O region and sets isa_io/mem_base */
pci_process_bridge_OF_ranges(hose, dev, 1);
#endif
return 0;
}
static void __init storcenter_setup_arch(void)
{
struct device_node *np;
#ifdef CONFIG_MTD_PHYSMAP
physmap_set_partitions(storcenter_physmap_partitions,
ARRAY_SIZE(storcenter_physmap_partitions));
#endif
/* Lookup PCI host bridges */
for_each_compatible_node(np, "pci", "mpc10x-pci")
storcenter_add_bridge(np);
printk(KERN_INFO "IOMEGA StorCenter\n");
}
/*
* Interrupt setup and service. Interrrupts on the turbostation come
* from the four PCI slots plus onboard 8241 devices: I2C, DUART.
*/
static void __init storcenter_init_IRQ(void)
{
struct mpic *mpic;
struct device_node *dnp;
const void *prop;
int size;
phys_addr_t paddr;
dnp = of_find_node_by_type(NULL, "open-pic");
if (dnp == NULL)
return;
prop = of_get_property(dnp, "reg", &size);
if (prop == NULL) {
of_node_put(dnp);
return;
}
paddr = (phys_addr_t)of_translate_address(dnp, prop);
mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET,
4, 32, " EPIC ");
of_node_put(dnp);
BUG_ON(mpic == NULL);
/* PCI IRQs */
/*
* 2.6.12 patch:
* openpic_set_sources(0, 5, OpenPIC_Addr + 0x10200);
* openpic_set_sources(5, 2, OpenPIC_Addr + 0x11120);
* first_irq, num_irqs, __iomem first_ISR
* o_ss: i, src: 0, fdf50200
* o_ss: i, src: 1, fdf50220
* o_ss: i, src: 2, fdf50240
* o_ss: i, src: 3, fdf50260
* o_ss: i, src: 4, fdf50280
* o_ss: i, src: 5, fdf51120
* o_ss: i, src: 6, fdf51140
*/
mpic_assign_isu(mpic, 0, paddr + 0x10200);
mpic_assign_isu(mpic, 1, paddr + 0x10220);
mpic_assign_isu(mpic, 2, paddr + 0x10240);
mpic_assign_isu(mpic, 3, paddr + 0x10260);
mpic_assign_isu(mpic, 4, paddr + 0x10280);
mpic_assign_isu(mpic, 5, paddr + 0x11120);
mpic_assign_isu(mpic, 6, paddr + 0x11140);
mpic_init(mpic);
}
static void storcenter_restart(char *cmd)
{
local_irq_disable();
/* Set exception prefix high - to the firmware */
_nmask_and_or_msr(0, MSR_IP);
/* Wait for reset to happen */
for (;;) ;
}
static int __init storcenter_probe(void)
{
unsigned long root = of_get_flat_dt_root();
return of_flat_dt_is_compatible(root, "storcenter");
}
define_machine(storcenter){
.name = "IOMEGA StorCenter",
.probe = storcenter_probe,
.setup_arch = storcenter_setup_arch,
.init_IRQ = storcenter_init_IRQ,
.get_irq = mpic_get_irq,
.restart = storcenter_restart,
.calibrate_decr = generic_calibrate_decr,
};
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