[POWERPC] Add initial iomega StorCenter board port.
Use cuImage bootwrapper until U-Boot port is completed. Derived heavily from Linkstation port. Signed-off-by: Jon Loeliger <jdl@freescale.com> Acked-by: Andy Wilcox <andy@protium.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>wifi-calibration
Jon Loeliger
Kumar Gala
parent
b164b9032e
commit
3490cba56f
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@ -57,7 +57,7 @@ src-wlib := string.S crt0.S stdio.c main.c \
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4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c \
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cpm-serial.c stdlib.c mpc52xx-psc.c planetcore.c uartlite.c \
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fsl-soc.c mpc8xx.c pq2.c
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src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \
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src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c \
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cuboot-ebony.c treeboot-ebony.c prpmc2800.c \
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ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \
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cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
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@ -197,6 +197,7 @@ image-$(CONFIG_EP405) += zImage.ep405
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image-$(CONFIG_8260) += cuImage.pq2
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image-$(CONFIG_EP8248E) += zImage.ep8248e
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image-$(CONFIG_PPC_MPC52xx) += cuImage.52xx
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image-$(CONFIG_STORCENTER) += cuImage.824x
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image-$(CONFIG_PPC_83xx) += cuImage.83xx
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image-$(CONFIG_PPC_85xx) += cuImage.85xx
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image-$(CONFIG_MPC7448HPC2) += cuImage.hpc2
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@ -0,0 +1,53 @@
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/*
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* Old U-boot compatibility for 824x
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*
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* Copyright (c) 2007 Freescale Semiconductor, Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include "ops.h"
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#include "stdio.h"
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#include "cuboot.h"
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#define TARGET_824x
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#include "ppcboot.h"
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static bd_t bd;
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static void platform_fixups(void)
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{
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void *soc;
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dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
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dt_fixup_mac_addresses(bd.bi_enetaddr);
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dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
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soc = find_node_by_devtype(NULL, "soc");
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if (soc) {
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void *serial = NULL;
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setprop(soc, "bus-frequency", &bd.bi_busfreq,
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sizeof(bd.bi_busfreq));
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while ((serial = find_node_by_devtype(serial, "serial"))) {
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if (get_parent(serial) != soc)
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continue;
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setprop(serial, "clock-frequency", &bd.bi_busfreq,
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sizeof(bd.bi_busfreq));
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}
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}
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}
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void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
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unsigned long r6, unsigned long r7)
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{
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CUBOOT_INIT();
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fdt_init(_dtb_start);
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serial_console_init();
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platform_ops.fixups = platform_fixups;
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}
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@ -9,6 +9,8 @@ config LINKSTATION
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select FSL_SOC
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select PPC_UDBG_16550 if SERIAL_8250
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select DEFAULT_UIMAGE
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select MPC10X_OPENPIC
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select MPC10X_BRIDGE
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help
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Select LINKSTATION if configuring for one of PPC- (MPC8241)
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based NAS systems from Buffalo Technology. So far only
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@ -16,6 +18,19 @@ config LINKSTATION
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Linkstation-I HD-HLAN and HD-HGLAN versions, and PPC-based
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Terastation systems should be supported too.
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config STORCENTER
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bool "IOMEGA StorCenter"
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depends on EMBEDDED6xx
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select MPIC
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select FSL_SOC
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select PPC_UDBG_16550 if SERIAL_8250
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select WANT_DEVICE_TREE
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select MPC10X_OPENPIC
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select MPC10X_BRIDGE
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help
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Select STORCENTER if configuring for the iomega StorCenter
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with an 8241 CPU in it.
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config MPC7448HPC2
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bool "Freescale MPC7448HPC2(Taiga)"
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depends on EMBEDDED6xx
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@ -23,6 +38,7 @@ config MPC7448HPC2
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select DEFAULT_UIMAGE
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select PPC_UDBG_16550
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select WANT_DEVICE_TREE
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select TSI108_BRIDGE
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help
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Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga)
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platform
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@ -33,6 +49,7 @@ config PPC_HOLLY
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select TSI108_BRIDGE
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select PPC_UDBG_16550
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select WANT_DEVICE_TREE
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select TSI108_BRIDGE
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help
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Select PPC_HOLLY if configuring for an IBM 750GX/CL Eval
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Board with TSI108/9 bridge (Hickory/Holly)
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@ -48,17 +65,13 @@ config PPC_PRPMC2800
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config TSI108_BRIDGE
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bool
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depends on MPC7448HPC2 || PPC_HOLLY
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select PCI
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select MPIC
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select MPIC_WEIRD
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default y
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config MPC10X_BRIDGE
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bool
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depends on LINKSTATION
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select PPC_INDIRECT_PCI
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default y
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config MV64X60
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bool
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@ -67,8 +80,6 @@ config MV64X60
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config MPC10X_OPENPIC
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bool
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depends on LINKSTATION
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default y
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config MPC10X_STORE_GATHERING
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bool "Enable MPC10x store gathering"
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@ -3,5 +3,6 @@
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#
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obj-$(CONFIG_MPC7448HPC2) += mpc7448_hpc2.o
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obj-$(CONFIG_LINKSTATION) += linkstation.o ls_uart.o
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obj-$(CONFIG_STORCENTER) += storcenter.o
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obj-$(CONFIG_PPC_HOLLY) += holly.o
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obj-$(CONFIG_PPC_PRPMC2800) += prpmc2800.o
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@ -0,0 +1,192 @@
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/*
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* Board setup routines for the storcenter
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*
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* Copyright 2007 (C) Oyvind Repvik (nail@nslu2-linux.org)
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* Copyright 2007 Andy Wilcox, Jon Loeliger
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*
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* Based on linkstation.c by G. Liakhovetski
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of
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* any kind, whether express or implied.
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*/
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#include <linux/kernel.h>
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#include <linux/pci.h>
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#include <linux/initrd.h>
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#include <linux/mtd/physmap.h>
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#include <linux/of_platform.h>
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#include <asm/system.h>
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#include <asm/time.h>
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#include <asm/prom.h>
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#include <asm/mpic.h>
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#include <asm/pci-bridge.h>
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#include "mpc10x.h"
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#ifdef CONFIG_MTD_PHYSMAP
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static struct mtd_partition storcenter_physmap_partitions[] = {
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{
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.name = "kernel",
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.offset = 0x000000,
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.size = 0x170000,
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},
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{
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.name = "rootfs",
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.offset = 0x170000,
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.size = 0x590000,
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},
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{
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.name = "uboot",
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.offset = 0x700000,
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.size = 0x040000,
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},
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{
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.name = "config",
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.offset = 0x740000,
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.size = 0x0c0000,
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},
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};
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#endif
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static __initdata struct of_device_id storcenter_of_bus[] = {
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{ .name = "soc", },
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{},
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};
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static int __init storcenter_device_probe(void)
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{
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of_platform_bus_probe(NULL, storcenter_of_bus, NULL);
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return 0;
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}
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machine_device_initcall(storcenter, storcenter_device_probe);
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static int __init storcenter_add_bridge(struct device_node *dev)
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{
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#ifdef CONFIG_PCI
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int len;
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struct pci_controller *hose;
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const int *bus_range;
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printk("Adding PCI host bridge %s\n", dev->full_name);
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hose = pcibios_alloc_controller(dev);
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if (hose == NULL)
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return -ENOMEM;
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bus_range = of_get_property(dev, "bus-range", &len);
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hose->first_busno = bus_range ? bus_range[0] : 0;
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hose->last_busno = bus_range ? bus_range[1] : 0xff;
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setup_indirect_pci(hose, MPC10X_MAPB_CNFG_ADDR, MPC10X_MAPB_CNFG_DATA, 0);
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/* Interpret the "ranges" property */
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/* This also maps the I/O region and sets isa_io/mem_base */
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pci_process_bridge_OF_ranges(hose, dev, 1);
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#endif
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return 0;
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}
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static void __init storcenter_setup_arch(void)
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{
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struct device_node *np;
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#ifdef CONFIG_MTD_PHYSMAP
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physmap_set_partitions(storcenter_physmap_partitions,
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ARRAY_SIZE(storcenter_physmap_partitions));
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#endif
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/* Lookup PCI host bridges */
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for_each_compatible_node(np, "pci", "mpc10x-pci")
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storcenter_add_bridge(np);
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printk(KERN_INFO "IOMEGA StorCenter\n");
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}
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/*
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* Interrupt setup and service. Interrrupts on the turbostation come
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* from the four PCI slots plus onboard 8241 devices: I2C, DUART.
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*/
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static void __init storcenter_init_IRQ(void)
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{
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struct mpic *mpic;
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struct device_node *dnp;
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const void *prop;
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int size;
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phys_addr_t paddr;
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dnp = of_find_node_by_type(NULL, "open-pic");
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if (dnp == NULL)
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return;
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prop = of_get_property(dnp, "reg", &size);
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if (prop == NULL) {
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of_node_put(dnp);
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return;
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}
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paddr = (phys_addr_t)of_translate_address(dnp, prop);
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mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET,
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4, 32, " EPIC ");
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of_node_put(dnp);
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BUG_ON(mpic == NULL);
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/* PCI IRQs */
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/*
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* 2.6.12 patch:
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* openpic_set_sources(0, 5, OpenPIC_Addr + 0x10200);
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* openpic_set_sources(5, 2, OpenPIC_Addr + 0x11120);
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* first_irq, num_irqs, __iomem first_ISR
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* o_ss: i, src: 0, fdf50200
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* o_ss: i, src: 1, fdf50220
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* o_ss: i, src: 2, fdf50240
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* o_ss: i, src: 3, fdf50260
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* o_ss: i, src: 4, fdf50280
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* o_ss: i, src: 5, fdf51120
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* o_ss: i, src: 6, fdf51140
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*/
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mpic_assign_isu(mpic, 0, paddr + 0x10200);
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mpic_assign_isu(mpic, 1, paddr + 0x10220);
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mpic_assign_isu(mpic, 2, paddr + 0x10240);
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mpic_assign_isu(mpic, 3, paddr + 0x10260);
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mpic_assign_isu(mpic, 4, paddr + 0x10280);
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mpic_assign_isu(mpic, 5, paddr + 0x11120);
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mpic_assign_isu(mpic, 6, paddr + 0x11140);
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mpic_init(mpic);
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}
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static void storcenter_restart(char *cmd)
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{
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local_irq_disable();
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/* Set exception prefix high - to the firmware */
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_nmask_and_or_msr(0, MSR_IP);
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/* Wait for reset to happen */
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for (;;) ;
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}
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static int __init storcenter_probe(void)
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{
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unsigned long root = of_get_flat_dt_root();
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return of_flat_dt_is_compatible(root, "storcenter");
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}
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define_machine(storcenter){
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.name = "IOMEGA StorCenter",
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.probe = storcenter_probe,
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.setup_arch = storcenter_setup_arch,
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.init_IRQ = storcenter_init_IRQ,
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.get_irq = mpic_get_irq,
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.restart = storcenter_restart,
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.calibrate_decr = generic_calibrate_decr,
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};
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