[PATCH] ppc64: add BPA platform type (fef1c772) · Commits · 戴 / test

MAINTAINERS

+7 −0

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		@@ -504,6 +504,13 @@ L: bonding-devel@lists.sourceforge.net
		W: http://sourceforge.net/projects/bonding/
		S: Supported

		BROADBAND PROCESSOR ARCHITECTURE
		P: Arnd Bergmann
		M: arnd@arndb.de
		L: linuxppc64-dev@ozlabs.org
		W: http://linuxppc64.org
		S: Supported

		BTTV VIDEO4LINUX DRIVER
		P: Gerd Knorr
		M: kraxel@bytesex.org

arch/ppc64/Kconfig

+5 −1

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		@@ -77,6 +77,10 @@ config PPC_PSERIES
		bool " IBM pSeries & new iSeries"
		default y

		config PPC_BPA
		bool " Broadband Processor Architecture"
		depends on PPC_MULTIPLATFORM

		config PPC_PMAC
		depends on PPC_MULTIPLATFORM
		bool " Apple G5 based machines"
		@@ -256,7 +260,7 @@ config MSCHUNKS

		config PPC_RTAS
		bool
		depends on PPC_PSERIES
		depends on PPC_PSERIES \|\| PPC_BPA
		default y

		config RTAS_PROC

arch/ppc64/Makefile

+2 −0

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		@@ -90,12 +90,14 @@ boot := arch/ppc64/boot
		boottarget-$(CONFIG_PPC_PSERIES) := zImage zImage.initrd
		boottarget-$(CONFIG_PPC_MAPLE) := zImage zImage.initrd
		boottarget-$(CONFIG_PPC_ISERIES) := vmlinux.sminitrd vmlinux.initrd vmlinux.sm
		boottarget-$(CONFIG_PPC_BPA) := zImage zImage.initrd
		$(boottarget-y): vmlinux
		$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@

		bootimage-$(CONFIG_PPC_PSERIES) := $(boot)/zImage
		bootimage-$(CONFIG_PPC_PMAC) := vmlinux
		bootimage-$(CONFIG_PPC_MAPLE) := $(boot)/zImage
		bootimage-$(CONFIG_PPC_BPA) := zImage
		bootimage-$(CONFIG_PPC_ISERIES) := vmlinux
		BOOTIMAGE := $(bootimage-y)
		install: vmlinux

arch/ppc64/kernel/Makefile

+3 −0

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		@@ -33,6 +33,8 @@ obj-$(CONFIG_PPC_PSERIES) += pSeries_pci.o pSeries_lpar.o pSeries_hvCall.o \
		pSeries_nvram.o rtasd.o ras.o pSeries_reconfig.o \
		xics.o pSeries_setup.o pSeries_iommu.o

		obj-$(CONFIG_PPC_BPA) += bpa_setup.o bpa_nvram.o

		obj-$(CONFIG_EEH) += eeh.o
		obj-$(CONFIG_PROC_FS) += proc_ppc64.o
		obj-$(CONFIG_RTAS_FLASH) += rtas_flash.o
		@@ -59,6 +61,7 @@ ifdef CONFIG_SMP
		obj-$(CONFIG_PPC_PMAC) += pmac_smp.o smp-tbsync.o
		obj-$(CONFIG_PPC_ISERIES) += iSeries_smp.o
		obj-$(CONFIG_PPC_PSERIES) += pSeries_smp.o
		obj-$(CONFIG_PPC_BPA) += pSeries_smp.o
		obj-$(CONFIG_PPC_MAPLE) += smp-tbsync.o
		endif

arch/ppc64/kernel/bpa_setup.c

0 → 100644

+135 −0

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		/*
		* linux/arch/ppc/kernel/bpa_setup.c
		*
		* Copyright (C) 1995 Linus Torvalds
		* Adapted from 'alpha' version by Gary Thomas
		* Modified by Cort Dougan (cort@cs.nmt.edu)
		* Modified by PPC64 Team, IBM Corp
		* Modified by BPA Team, IBM Deutschland Entwicklung GmbH
		*
		* 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.
		*/
		#undef DEBUG

		#include <linux/config.h>
		#include <linux/sched.h>
		#include <linux/kernel.h>
		#include <linux/mm.h>
		#include <linux/stddef.h>
		#include <linux/unistd.h>
		#include <linux/slab.h>
		#include <linux/user.h>
		#include <linux/reboot.h>
		#include <linux/init.h>
		#include <linux/delay.h>
		#include <linux/irq.h>
		#include <linux/seq_file.h>
		#include <linux/root_dev.h>
		#include <linux/console.h>

		#include <asm/mmu.h>
		#include <asm/processor.h>
		#include <asm/io.h>
		#include <asm/pgtable.h>
		#include <asm/prom.h>
		#include <asm/rtas.h>
		#include <asm/pci-bridge.h>
		#include <asm/iommu.h>
		#include <asm/dma.h>
		#include <asm/machdep.h>
		#include <asm/time.h>
		#include <asm/nvram.h>
		#include <asm/cputable.h>

		#include "pci.h"

		#ifdef DEBUG
		#define DBG(fmt...) udbg_printf(fmt)
		#else
		#define DBG(fmt...)
		#endif

		void bpa_get_cpuinfo(struct seq_file *m)
		{
		struct device_node *root;
		const char *model = "";

		root = of_find_node_by_path("/");
		if (root)
		model = get_property(root, "model", NULL);
		seq_printf(m, "machine\t\t: BPA %s\n", model);
		of_node_put(root);
		}

		static void bpa_progress(char *s, unsigned short hex)
		{
		printk("*** %04x : %s\n", hex, s ? s : "");
		}

		static void __init bpa_setup_arch(void)
		{
		#ifdef CONFIG_SMP
		smp_init_pSeries();
		#endif

		/* init to some ~sane value until calibrate_delay() runs */
		loops_per_jiffy = 50000000;

		if (ROOT_DEV == 0) {
		printk("No ramdisk, default root is /dev/hda2\n");
		ROOT_DEV = Root_HDA2;
		}

		/* Find and initialize PCI host bridges */
		init_pci_config_tokens();
		find_and_init_phbs();

		#ifdef CONFIG_DUMMY_CONSOLE
		conswitchp = &dummy_con;
		#endif

		bpa_nvram_init();
		}

		/*
		* Early initialization. Relocation is on but do not reference unbolted pages
		*/
		static void __init bpa_init_early(void)
		{
		DBG(" -> bpa_init_early()\n");

		hpte_init_native();

		pci_direct_iommu_init();

		ppc64_interrupt_controller = IC_BPA_IIC;

		DBG(" <- bpa_init_early()\n");
		}


		static int __init bpa_probe(int platform)
		{
		if (platform != PLATFORM_BPA)
		return 0;

		return 1;
		}

		struct machdep_calls __initdata bpa_md = {
		.probe = bpa_probe,
		.setup_arch = bpa_setup_arch,
		.init_early = bpa_init_early,
		.get_cpuinfo = bpa_get_cpuinfo,
		.restart = rtas_restart,
		.power_off = rtas_power_off,
		.halt = rtas_halt,
		.get_boot_time = rtas_get_boot_time,
		.get_rtc_time = rtas_get_rtc_time,
		.set_rtc_time = rtas_set_rtc_time,
		.calibrate_decr = generic_calibrate_decr,
		.progress = bpa_progress,
		};

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