From: Nicolas DET <nd@bplan-gmbh•de>
To: linuxppc-dev@ozlabs•org, benh@kernel•crashing.org,
sl@bplan-gmbh•de, linuxppc-embedded@ozlabs•org
Subject: [PATCH/RFC] powerpc: Add Efika platform support
Date: Wed, 1 Nov 2006 21:29:36 +0100 (MET) [thread overview]
Message-ID: <45490394.8020202@bplan-gmbh.de> (raw)
[-- Attachment #1: Type: text/plain, Size: 145 bytes --]
Add Efika platform support
PS: I did not success to properly inline the file using thrunderbird.
Signed-off-by: Nicolas DET <nd@bplan-gmbh•de>
[-- Attachment #2: archpowerpc_efika.patch --]
[-- Type: text/plain, Size: 9908 bytes --]
--- a/arch/powerpc/platforms/efika/setup.c 1970-01-01 01:00:00.000000000 +0100
+++ b/arch/powerpc/platforms/efika/setup.c 2006-11-01 21:16:06.000000000 +0100
@@ -0,0 +1,164 @@
+/*
+ *
+ * Efika 5K2 platform setup
+ * Some code really inspired from the lite5200b platform.
+ *
+ * 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/errno.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/user.h>
+#include <linux/interrupt.h>
+#include <linux/reboot.h>
+#include <linux/init.h>
+#include <linux/utsrelease.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/console.h>
+#include <linux/seq_file.h>
+#include <linux/root_dev.h>
+#include <linux/initrd.h>
+#include <linux/module.h>
+#include <linux/timer.h>
+
+#include <asm/pgtable.h>
+#include <asm/prom.h>
+#include <asm/dma.h>
+#include <asm/machdep.h>
+#include <asm/irq.h>
+#include <asm/sections.h>
+#include <asm/time.h>
+#include <asm/rtas.h>
+#include <asm/of_device.h>
+#include <asm/mpc52xx.h>
+
+#include "efika.h"
+
+static void efika_show_cpuinfo(struct seq_file *m)
+{
+ struct device_node *root;
+ const char *revision = NULL;
+ const char *codegendescription = NULL;
+ const char *codegenvendor = NULL;
+
+ root = of_find_node_by_path("/");
+ if (root) {
+ revision = get_property(root, "revision", NULL);
+ codegendescription =
+ get_property(root, "CODEGEN,description", NULL);
+ codegenvendor = get_property(root, "CODEGEN,vendor", NULL);
+ }
+
+ if (codegendescription)
+ seq_printf(m, "machine\t\t: %s\n", codegendescription);
+ else
+ seq_printf(m, "machine\t\t: Efika\n");
+
+ if (revision)
+ seq_printf(m, "revision\t: %s\n", revision);
+
+ if (codegenvendor)
+ seq_printf(m, "vendor\t\t: %s\n", codegenvendor);
+}
+
+static void __init efika_setup_arch(void)
+{
+ rtas_initialize();
+
+#ifdef CONFIG_BLK_DEV_INITRD
+ initrd_below_start_ok = 1;
+
+ if (initrd_start)
+ ROOT_DEV = Root_RAM0;
+ else
+#endif
+ ROOT_DEV = Root_SDA2; /* sda2 (sda1 is for the kernel) */
+
+ efika_pcisetup();
+
+ if (ppc_md.progress)
+ ppc_md.progress("Linux/PPC " UTS_RELEASE " runnung on Efika ;-)\n", 0x0);
+}
+
+static void __init efika_init_IRQ(void)
+{
+ mpc52xx_init_irq();
+}
+
+static void __init efika_init(void)
+{
+ struct device_node *np;
+ struct device_node *cnp = NULL;
+ const u32 *base;
+ char *name;
+
+ /* Find every child of the SOC node and add it to of_platform */
+ np = of_find_node_by_name(NULL, "builtin");
+ if (np) {
+ while ((cnp = of_get_next_child(np, cnp))) {
+ name = kmalloc(BUS_ID_SIZE, GFP_KERNEL);
+ if (name == NULL)
+ continue;
+
+ strcpy(name, cnp->name);
+
+ base = get_property(cnp, "reg", NULL);
+ if (base == NULL) {
+ kfree(name);
+ continue;
+ }
+
+ sprintf(name+strlen(name), "@%x", *base);
+ of_platform_device_create(cnp, name, NULL);
+
+ printk(KERN_INFO ": Added %s (%s) to the known devices\n", name, cnp->full_name);
+ }
+ }
+
+ if (ppc_md.progress)
+ ppc_md.progress(" Have fun with your Efika! ", 0x7777);
+}
+
+static int __init efika_probe(void)
+{
+ char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
+ "model", NULL);
+
+ if (model == NULL)
+ return 0;
+ if (strcmp(model, "EFIKA5K2"))
+ return 0;
+
+ ISA_DMA_THRESHOLD = ~0L;
+ DMA_MODE_READ = 0x44;
+ DMA_MODE_WRITE = 0x48;
+
+ return 1;
+}
+
+define_machine(efika)
+{
+ .name = EFIKA_PLATFORM_NAME,
+ .probe = efika_probe,
+ .setup_arch = efika_setup_arch,
+ .init = efika_init,
+ .show_cpuinfo = efika_show_cpuinfo,
+ .init_IRQ = efika_init_IRQ,
+ .get_irq = mpc52xx_get_irq,
+ .restart = rtas_restart,
+ .power_off = rtas_power_off,
+ .halt = rtas_halt,
+ .set_rtc_time = rtas_set_rtc_time,
+ .get_rtc_time = rtas_get_rtc_time,
+ .progress = rtas_progress,
+ .get_boot_time = rtas_get_boot_time,
+ .calibrate_decr = generic_calibrate_decr,
+ .phys_mem_access_prot = pci_phys_mem_access_prot,
+};
--- a/arch/powerpc/platforms/efika/pci.c 1970-01-01 01:00:00.000000000 +0100
+++ b/arch/powerpc/platforms/efika/pci.c 2006-11-01 21:16:06.000000000 +0100
@@ -0,0 +1,119 @@
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/string.h>
+#include <linux/init.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/prom.h>
+#include <asm/machdep.h>
+#include <asm/sections.h>
+#include <asm/pci-bridge.h>
+#include <asm/rtas.h>
+
+#include "efika.h"
+
+#ifdef CONFIG_PCI
+/*
+ * Access functions for PCI config space using RTAS calls.
+ */
+static int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
+ int len, u32 * val)
+{
+ struct pci_controller *hose = bus->sysdata;
+ unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
+ | (((bus->number - hose->first_busno) & 0xff) << 16)
+ | (hose->index << 24);
+ int ret = -1;
+ int rval;
+
+ rval = rtas_call(rtas_token("read-pci-config"), 2, 2, &ret, addr, len);
+ *val = ret;
+ return rval ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
+}
+
+static int rtas_write_config(struct pci_bus *bus, unsigned int devfn,
+ int offset, int len, u32 val)
+{
+ struct pci_controller *hose = bus->sysdata;
+ unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
+ | (((bus->number - hose->first_busno) & 0xff) << 16)
+ | (hose->index << 24);
+ int rval;
+
+ rval = rtas_call(rtas_token("write-pci-config"), 3, 1, NULL,
+ addr, len, val);
+ return rval ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
+}
+
+static struct pci_ops rtas_pci_ops = {
+ rtas_read_config,
+ rtas_write_config
+};
+
+void __init efika_pcisetup(void)
+{
+ const int *bus_range;
+ int len;
+ struct pci_controller *hose;
+ struct device_node *root;
+ struct device_node *pcictrl;
+
+ root = of_find_node_by_path("/");
+ if (root == NULL) {
+ printk(KERN_WARNING EFIKA_PLATFORM_NAME
+ ": Unable to find the root node\n");
+ return;
+ }
+
+ for (pcictrl = NULL;;) {
+ pcictrl = of_get_next_child(root, pcictrl);
+ if ((pcictrl == NULL) || (strcmp(pcictrl->name, "pci") == 0))
+ break;
+ }
+
+ if (pcictrl == NULL) {
+ printk(KERN_WARNING EFIKA_PLATFORM_NAME
+ ": Unable to find the PCI bridge node\n");
+ return;
+ }
+
+ of_node_put(pcictrl);
+ of_node_put(root);
+
+ bus_range = get_property(pcictrl, "bus-range", &len);
+ if (bus_range == NULL || len < 2 * sizeof(int)) {
+ printk(KERN_WARNING EFIKA_PLATFORM_NAME
+ ": Can't get bus-range for %s\n", pcictrl->full_name);
+ return;
+ }
+ if (bus_range[1] == bus_range[0])
+ printk(KERN_INFO EFIKA_PLATFORM_NAME ": PCI bus %d",
+ bus_range[0]);
+ else
+ printk(KERN_INFO EFIKA_PLATFORM_NAME ": PCI buses %d..%d",
+ bus_range[0], bus_range[1]);
+ printk(" controlled by %s", pcictrl->full_name);
+ printk("\n");
+
+ hose = pcibios_alloc_controller();
+ if (!hose) {
+ printk(KERN_WARNING EFIKA_PLATFORM_NAME
+ ": Can't allocate PCI controller structure for %s\n",
+ pcictrl->full_name);
+ return;
+ }
+
+ hose->arch_data = pcictrl;
+ hose->first_busno = bus_range[0];
+ hose->last_busno = bus_range[1];
+ hose->ops = &rtas_pci_ops;
+
+ pci_process_bridge_OF_ranges(hose, pcictrl, 0);
+}
+
+#else
+void __init efika_pcisetup(void)
+{}
+#endif
--- a/arch/powerpc/platforms/efika/efika.h 1970-01-01 01:00:00.000000000 +0100
+++ b/arch/powerpc/platforms/efika/efika.h 2006-11-01 21:16:06.000000000 +0100
@@ -0,0 +1,19 @@
+/*
+ * Efika 5K2 platform setup - Header file
+ *
+ * Copyright (C) 2006 bplan GmbH
+ *
+ * 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.
+ *
+ */
+
+#ifndef __ARCH_POWERPC_EFIKA__
+#define __ARCH_POWERPC_EFIKA__
+
+#define EFIKA_PLATFORM_NAME "Efika"
+
+extern void __init efika_pcisetup(void);
+
+#endif
--- a/arch/powerpc/platforms/efika/Makefile 1970-01-01 01:00:00.000000000 +0100
+++ b/arch/powerpc/platforms/efika/Makefile 2006-11-01 21:16:06.000000000 +0100
@@ -0,0 +1 @@
+obj-y += setup.o mpc52xx.o pci.o
--- a/arch/powerpc/platforms/Makefile 2006-11-01 09:18:43.000000000 +0100
+++ b/arch/powerpc/platforms/Makefile 2006-11-01 21:16:06.000000000 +0100
@@ -6,6 +6,7 @@ obj-$(CONFIG_PPC_PMAC) += powermac/
endif
endif
obj-$(CONFIG_PPC_CHRP) += chrp/
+obj-$(CONFIG_PPC_EFIKA) += efika/
obj-$(CONFIG_4xx) += 4xx/
obj-$(CONFIG_PPC_83xx) += 83xx/
obj-$(CONFIG_PPC_85xx) += 85xx/
--- a/arch/powerpc/boot/Makefile 2006-11-01 09:18:42.000000000 +0100
+++ b/arch/powerpc/boot/Makefile 2006-10-31 12:31:55.000000000 +0100
@@ -115,7 +115,7 @@ endif
quiet_cmd_wrap = WRAP $@
cmd_wrap =$(CONFIG_SHELL) $(wrapper) -c -o $@ -p $2 $(CROSSWRAP) vmlinux
quiet_cmd_wrap_initrd = WRAP $@
- cmd_wrap_initrd =$(CONFIG_SHELL) $(wrapper) -c -o $@ -p $2 $(CROSSWRAP) \
+ cmd_wrap_initrd =$(wrapper) -c -o $@ -p $2 $(CROSSWRAP) \
-i $(obj)/ramdisk.image.gz vmlinux
$(obj)/zImage.chrp: vmlinux $(wrapperbits)
@@ -155,6 +155,7 @@ image-$(CONFIG_PPC_PSERIES) += zImage.p
image-$(CONFIG_PPC_MAPLE) += zImage.pseries
image-$(CONFIG_PPC_IBM_CELL_BLADE) += zImage.pseries
image-$(CONFIG_PPC_CHRP) += zImage.chrp
+image-$(CONFIG_PPC_EFIKA) += zImage.chrp
image-$(CONFIG_PPC_PMAC) += zImage.pmac
image-$(CONFIG_DEFAULT_UIMAGE) += uImage
--- a/arch/powerpc/Kconfig 2006-11-01 09:18:42.000000000 +0100
+++ b/arch/powerpc/Kconfig 2006-11-01 21:17:02.000000000 +0100
@@ -386,6 +386,14 @@ config PPC_CHRP
select PPC_UDBG_16550
default y
+config PPC_EFIKA
+ bool "bPlan Efika 5k2. MPC5200B based computer"
+ depends on PPC_MULTIPLATFORM && PPC32
+ select PPC_RTAS
+ select RTAS_PROC
+ select PPC_MPC52xx
+ default y
+
config PPC_PMAC
bool "Apple PowerMac based machines"
depends on PPC_MULTIPLATFORM
[-- Attachment #3: nd.vcf --]
[-- Type: text/x-vcard, Size: 249 bytes --]
begin:vcard
fn:Nicolas DET ( bplan GmbH )
n:DET;Nicolas
org:bplan GmbH
adr:;;;;;;Germany
email;internet:nd@bplan-gmbh•de
title:Software Entwicklung
tel;work:+49 6171 9187 - 31
x-mozilla-html:FALSE
url:http://www.bplan-gmbh.de
version:2.1
end:vcard
next reply other threads:[~2006-11-01 20:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-01 20:29 Nicolas DET [this message]
2006-11-01 20:34 ` [PATCH/RFC] powerpc: Add Efika platform support Nicolas DET
2006-11-01 22:19 ` Benjamin Herrenschmidt
2006-11-01 23:25 ` Benjamin Herrenschmidt
2006-11-02 20:52 ` Nicolas DET
2006-11-03 7:31 ` Nicolas DET
2006-11-04 23:45 ` Benjamin Herrenschmidt
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