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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 16:54:33 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 16:54:33 -0800 |
commit | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (patch) | |
tree | 08a38cd3523c42bd49882f17cd501fd879e7ca1c /arch/powerpc/platforms/cell/qpace_setup.c | |
parent | c4c9f0183b7c4e97836e8fecbb67898b06c47e78 (diff) | |
parent | ca9153a3a2a7556d091dfe080e42b0e67881fff6 (diff) |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (144 commits)
powerpc/44x: Support 16K/64K base page sizes on 44x
powerpc: Force memory size to be a multiple of PAGE_SIZE
powerpc/32: Wire up the trampoline code for kdump
powerpc/32: Add the ability for a classic ppc kernel to be loaded at 32M
powerpc/32: Allow __ioremap on RAM addresses for kdump kernel
powerpc/32: Setup OF properties for kdump
powerpc/32/kdump: Implement crash_setup_regs() using ppc_save_regs()
powerpc: Prepare xmon_save_regs for use with kdump
powerpc: Remove default kexec/crash_kernel ops assignments
powerpc: Make default kexec/crash_kernel ops implicit
powerpc: Setup OF properties for ppc32 kexec
powerpc/pseries: Fix cpu hotplug
powerpc: Fix KVM build on ppc440
powerpc/cell: add QPACE as a separate Cell platform
powerpc/cell: fix build breakage with CONFIG_SPUFS disabled
powerpc/mpc5200: fix error paths in PSC UART probe function
powerpc/mpc5200: add rts/cts handling in PSC UART driver
powerpc/mpc5200: Make PSC UART driver update serial errors counters
powerpc/mpc5200: Remove obsolete code from mpc5200 MDIO driver
powerpc/mpc5200: Add MDMA/UDMA support to MPC5200 ATA driver
...
Fix trivial conflict in drivers/char/Makefile as per Paul's directions
Diffstat (limited to 'arch/powerpc/platforms/cell/qpace_setup.c')
-rw-r--r-- | arch/powerpc/platforms/cell/qpace_setup.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/qpace_setup.c b/arch/powerpc/platforms/cell/qpace_setup.c new file mode 100644 index 00000000000..be84e6a16b3 --- /dev/null +++ b/arch/powerpc/platforms/cell/qpace_setup.c @@ -0,0 +1,152 @@ +/* + * linux/arch/powerpc/platforms/cell/qpace_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 Cell Team, IBM Deutschland Entwicklung GmbH + * Modified by Benjamin Krill <ben@codiert.org>, IBM Corp. + * + * 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/sched.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/console.h> +#include <linux/of_platform.h> + +#include <asm/mmu.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <asm/kexec.h> +#include <asm/pgtable.h> +#include <asm/prom.h> +#include <asm/rtas.h> +#include <asm/dma.h> +#include <asm/machdep.h> +#include <asm/time.h> +#include <asm/cputable.h> +#include <asm/irq.h> +#include <asm/spu.h> +#include <asm/spu_priv1.h> +#include <asm/udbg.h> +#include <asm/cell-regs.h> + +#include "interrupt.h" +#include "pervasive.h" +#include "ras.h" +#include "io-workarounds.h" + +static void qpace_show_cpuinfo(struct seq_file *m) +{ + struct device_node *root; + const char *model = ""; + + root = of_find_node_by_path("/"); + if (root) + model = of_get_property(root, "model", NULL); + seq_printf(m, "machine\t\t: CHRP %s\n", model); + of_node_put(root); +} + +static void qpace_progress(char *s, unsigned short hex) +{ + printk("*** %04x : %s\n", hex, s ? s : ""); +} + +static int __init qpace_publish_devices(void) +{ + int node; + + /* Publish OF platform devices for southbridge IOs */ + of_platform_bus_probe(NULL, NULL, NULL); + + /* There is no device for the MIC memory controller, thus we create + * a platform device for it to attach the EDAC driver to. + */ + for_each_online_node(node) { + if (cbe_get_cpu_mic_tm_regs(cbe_node_to_cpu(node)) == NULL) + continue; + platform_device_register_simple("cbe-mic", node, NULL, 0); + } + + return 0; +} +machine_subsys_initcall(qpace, qpace_publish_devices); + +extern int qpace_notify(struct device *dev) +{ + /* set dma_ops for of_platform bus */ + if (dev->bus && dev->bus->name + && !strcmp(dev->bus->name, "of_platform")) + set_dma_ops(dev, &dma_direct_ops); + + return 0; +} + +static void __init qpace_setup_arch(void) +{ +#ifdef CONFIG_SPU_BASE + spu_priv1_ops = &spu_priv1_mmio_ops; + spu_management_ops = &spu_management_of_ops; +#endif + + cbe_regs_init(); + +#ifdef CONFIG_CBE_RAS + cbe_ras_init(); +#endif + +#ifdef CONFIG_SMP + smp_init_cell(); +#endif + + /* init to some ~sane value until calibrate_delay() runs */ + loops_per_jiffy = 50000000; + + cbe_pervasive_init(); +#ifdef CONFIG_DUMMY_CONSOLE + conswitchp = &dummy_con; +#endif + + /* set notifier function */ + platform_notify = &qpace_notify; +} + +static int __init qpace_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "IBM,QPACE")) + return 0; + + hpte_init_native(); + + return 1; +} + +define_machine(qpace) { + .name = "QPACE", + .probe = qpace_probe, + .setup_arch = qpace_setup_arch, + .show_cpuinfo = qpace_show_cpuinfo, + .restart = rtas_restart, + .power_off = rtas_power_off, + .halt = rtas_halt, + .get_boot_time = rtas_get_boot_time, + .calibrate_decr = generic_calibrate_decr, + .progress = qpace_progress, + .init_IRQ = iic_init_IRQ, +#ifdef CONFIG_KEXEC + .machine_kexec = default_machine_kexec, + .machine_kexec_prepare = default_machine_kexec_prepare, + .machine_crash_shutdown = default_machine_crash_shutdown, +#endif +}; |