diff options
Diffstat (limited to 'arch/powerpc/platforms')
54 files changed, 1194 insertions, 199 deletions
diff --git a/arch/powerpc/platforms/40x/ep405.c b/arch/powerpc/platforms/40x/ep405.c index 13d1345026d..ae2e7f67c18 100644 --- a/arch/powerpc/platforms/40x/ep405.c +++ b/arch/powerpc/platforms/40x/ep405.c @@ -29,6 +29,7 @@ #include <asm/time.h> #include <asm/uic.h> #include <asm/pci-bridge.h> +#include <asm/ppc4xx.h> static struct device_node *bcsr_node; static void __iomem *bcsr_regs; @@ -119,5 +120,6 @@ define_machine(ep405) { .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, + .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/40x/kilauea.c b/arch/powerpc/platforms/40x/kilauea.c index f9206a7fede..1dd24ffc0dc 100644 --- a/arch/powerpc/platforms/40x/kilauea.c +++ b/arch/powerpc/platforms/40x/kilauea.c @@ -1,7 +1,7 @@ /* * Kilauea board specific routines * - * Copyright 2007 DENX Software Engineering, Stefan Roese <sr@denx.de> + * Copyright 2007-2008 DENX Software Engineering, Stefan Roese <sr@denx.de> * * Based on the Walnut code by * Josh Boyer <jwboyer@linux.vnet.ibm.com> @@ -20,6 +20,7 @@ #include <asm/time.h> #include <asm/uic.h> #include <asm/pci-bridge.h> +#include <asm/ppc4xx.h> static __initdata struct of_device_id kilauea_of_bus[] = { { .compatible = "ibm,plb4", }, @@ -54,5 +55,6 @@ define_machine(kilauea) { .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, + .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/40x/makalu.c b/arch/powerpc/platforms/40x/makalu.c index 4e4df72fc9c..a6a1d6017b7 100644 --- a/arch/powerpc/platforms/40x/makalu.c +++ b/arch/powerpc/platforms/40x/makalu.c @@ -20,6 +20,7 @@ #include <asm/time.h> #include <asm/uic.h> #include <asm/pci-bridge.h> +#include <asm/ppc4xx.h> static __initdata struct of_device_id makalu_of_bus[] = { { .compatible = "ibm,plb4", }, @@ -54,5 +55,6 @@ define_machine(makalu) { .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, + .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/40x/virtex.c b/arch/powerpc/platforms/40x/virtex.c index 0422590040d..fc7fb001276 100644 --- a/arch/powerpc/platforms/40x/virtex.c +++ b/arch/powerpc/platforms/40x/virtex.c @@ -14,6 +14,7 @@ #include <asm/prom.h> #include <asm/time.h> #include <asm/xilinx_intc.h> +#include <asm/ppc4xx.h> static struct of_device_id xilinx_of_bus_ids[] __initdata = { { .compatible = "xlnx,plb-v46-1.00.a", }, @@ -48,5 +49,6 @@ define_machine(virtex) { .probe = virtex_probe, .init_IRQ = xilinx_intc_init_tree, .get_irq = xilinx_intc_get_irq, + .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/40x/walnut.c b/arch/powerpc/platforms/40x/walnut.c index b8b257efeb7..335df91fbee 100644 --- a/arch/powerpc/platforms/40x/walnut.c +++ b/arch/powerpc/platforms/40x/walnut.c @@ -26,6 +26,7 @@ #include <asm/time.h> #include <asm/uic.h> #include <asm/pci-bridge.h> +#include <asm/ppc4xx.h> static __initdata struct of_device_id walnut_of_bus[] = { { .compatible = "ibm,plb3", }, @@ -61,5 +62,6 @@ define_machine(walnut) { .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, - .calibrate_decr = generic_calibrate_decr, + .restart = ppc4xx_reset_system, + .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/44x/44x.h b/arch/powerpc/platforms/44x/44x.h index 42eabf87fea..dbc4d2b4301 100644 --- a/arch/powerpc/platforms/44x/44x.h +++ b/arch/powerpc/platforms/44x/44x.h @@ -3,6 +3,5 @@ extern u8 as1_readb(volatile u8 __iomem *addr); extern void as1_writeb(u8 data, volatile u8 __iomem *addr); -extern void ppc44x_reset_system(char *cmd); #endif /* __POWERPC_PLATFORMS_44X_44X_H */ diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index 1bfb2191010..6abe91357ee 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -67,6 +67,25 @@ config WARP See http://www.pikatechnologies.com/ and follow the "PIKA for Computer Telephony Developers" link for more information. +config CANYONLANDS + bool "Canyonlands" + depends on 44x + default n + select 460EX + select PCI + select PPC4xx_PCI_EXPRESS + help + This option enables support for the AMCC PPC460EX evaluation board. + +config YOSEMITE + bool "Yosemite" + depends on 44x + default n + select 440EP + select PCI + help + This option enables support for the AMCC PPC440EP evaluation board. + #config LUAN # bool "Luan" # depends on 44x @@ -122,6 +141,14 @@ config 440SPe bool select IBM_NEW_EMAC_EMAC4 +config 460EX + bool + select PPC_FPU + select IBM_NEW_EMAC_EMAC4 + select IBM_NEW_EMAC_RGMII + select IBM_NEW_EMAC_ZMII + select IBM_NEW_EMAC_TAH + # 44x errata/workaround config symbols, selected by the CPU models above config IBM440EP_ERR42 bool diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile index 0864d4f1cbc..2320ae5dc8a 100644 --- a/arch/powerpc/platforms/44x/Makefile +++ b/arch/powerpc/platforms/44x/Makefile @@ -2,8 +2,10 @@ obj-$(CONFIG_44x) := misc_44x.o obj-$(CONFIG_EBONY) += ebony.o obj-$(CONFIG_TAISHAN) += taishan.o obj-$(CONFIG_BAMBOO) += bamboo.o +obj-$(CONFIG_YOSEMITE) += bamboo.o obj-$(CONFIG_SEQUOIA) += sequoia.o obj-$(CONFIG_KATMAI) += katmai.o obj-$(CONFIG_RAINIER) += rainier.o obj-$(CONFIG_WARP) += warp.o obj-$(CONFIG_WARP) += warp-nand.o +obj-$(CONFIG_CANYONLANDS) += canyonlands.o diff --git a/arch/powerpc/platforms/44x/bamboo.c b/arch/powerpc/platforms/44x/bamboo.c index fb9a22a7e8d..cef169e9515 100644 --- a/arch/powerpc/platforms/44x/bamboo.c +++ b/arch/powerpc/platforms/44x/bamboo.c @@ -22,8 +22,7 @@ #include <asm/time.h> #include <asm/uic.h> #include <asm/pci-bridge.h> - -#include "44x.h" +#include <asm/ppc4xx.h> static __initdata struct of_device_id bamboo_of_bus[] = { { .compatible = "ibm,plb4", }, @@ -53,11 +52,11 @@ static int __init bamboo_probe(void) } define_machine(bamboo) { - .name = "Bamboo", - .probe = bamboo_probe, - .progress = udbg_progress, - .init_IRQ = uic_init_tree, - .get_irq = uic_get_irq, - .restart = ppc44x_reset_system, + .name = "Bamboo", + .probe = bamboo_probe, + .progress = udbg_progress, + .init_IRQ = uic_init_tree, + .get_irq = uic_get_irq, + .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/44x/canyonlands.c b/arch/powerpc/platforms/44x/canyonlands.c new file mode 100644 index 00000000000..3949289f51d --- /dev/null +++ b/arch/powerpc/platforms/44x/canyonlands.c @@ -0,0 +1,63 @@ +/* + * Canyonlands board specific routines + * + * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de> + * + * Based on the Katmai code by + * Benjamin Herrenschmidt <benh@kernel.crashing.org> + * Copyright 2007 IBM Corp. + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * Copyright 2007 IBM Corporation + * + * 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/init.h> +#include <linux/of_platform.h> + +#include <asm/machdep.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/time.h> +#include <asm/uic.h> +#include <asm/pci-bridge.h> +#include <asm/ppc4xx.h> + +static __initdata struct of_device_id canyonlands_of_bus[] = { + { .compatible = "ibm,plb4", }, + { .compatible = "ibm,opb", }, + { .compatible = "ibm,ebc", }, + {}, +}; + +static int __init canyonlands_device_probe(void) +{ + of_platform_bus_probe(NULL, canyonlands_of_bus, NULL); + + return 0; +} +machine_device_initcall(canyonlands, canyonlands_device_probe); + +static int __init canyonlands_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "amcc,canyonlands")) + return 0; + + ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC; + + return 1; +} + +define_machine(canyonlands) { + .name = "Canyonlands", + .probe = canyonlands_probe, + .progress = udbg_progress, + .init_IRQ = uic_init_tree, + .get_irq = uic_get_irq, + .restart = ppc4xx_reset_system, + .calibrate_decr = generic_calibrate_decr, +}; diff --git a/arch/powerpc/platforms/44x/ebony.c b/arch/powerpc/platforms/44x/ebony.c index 1a8d467bff8..a0e8fe4662f 100644 --- a/arch/powerpc/platforms/44x/ebony.c +++ b/arch/powerpc/platforms/44x/ebony.c @@ -26,8 +26,7 @@ #include <asm/time.h> #include <asm/uic.h> #include <asm/pci-bridge.h> - -#include "44x.h" +#include <asm/ppc4xx.h> static __initdata struct of_device_id ebony_of_bus[] = { { .compatible = "ibm,plb4", }, @@ -66,6 +65,6 @@ define_machine(ebony) { .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, - .restart = ppc44x_reset_system, + .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/44x/katmai.c b/arch/powerpc/platforms/44x/katmai.c index 11134121f27..44f4b3a00ce 100644 --- a/arch/powerpc/platforms/44x/katmai.c +++ b/arch/powerpc/platforms/44x/katmai.c @@ -22,8 +22,7 @@ #include <asm/time.h> #include <asm/uic.h> #include <asm/pci-bridge.h> - -#include "44x.h" +#include <asm/ppc4xx.h> static __initdata struct of_device_id katmai_of_bus[] = { { .compatible = "ibm,plb4", }, @@ -58,6 +57,6 @@ define_machine(katmai) { .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, - .restart = ppc44x_reset_system, + .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/44x/misc_44x.S b/arch/powerpc/platforms/44x/misc_44x.S index 3bce71d5d75..dc12b8009e4 100644 --- a/arch/powerpc/platforms/44x/misc_44x.S +++ b/arch/powerpc/platforms/44x/misc_44x.S @@ -44,14 +44,3 @@ _GLOBAL(as1_writeb) sync isync blr - -/* - * void ppc44x_reset_system(char *cmd) - * - * At present, this routine just applies a system reset. - */ -_GLOBAL(ppc44x_reset_system) - mfspr r13,SPRN_DBCR0 - oris r13,r13,DBCR0_RST_SYSTEM@h - mtspr SPRN_DBCR0,r13 - b . /* Just in case the reset doesn't work */ diff --git a/arch/powerpc/platforms/44x/rainier.c b/arch/powerpc/platforms/44x/rainier.c index a7fae1cf69c..4f1ff84c4b6 100644 --- a/arch/powerpc/platforms/44x/rainier.c +++ b/arch/powerpc/platforms/44x/rainier.c @@ -22,7 +22,7 @@ #include <asm/time.h> #include <asm/uic.h> #include <asm/pci-bridge.h> -#include "44x.h" +#include <asm/ppc4xx.h> static __initdata struct of_device_id rainier_of_bus[] = { { .compatible = "ibm,plb4", }, @@ -57,6 +57,6 @@ define_machine(rainier) { .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, - .restart = ppc44x_reset_system, + .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/44x/sequoia.c b/arch/powerpc/platforms/44x/sequoia.c index d279db42c89..49eb73daacd 100644 --- a/arch/powerpc/platforms/44x/sequoia.c +++ b/arch/powerpc/platforms/44x/sequoia.c @@ -23,7 +23,7 @@ #include <asm/uic.h> #include <asm/pci-bridge.h> -#include "44x.h" +#include <asm/ppc4xx.h> static __initdata struct of_device_id sequoia_of_bus[] = { { .compatible = "ibm,plb4", }, @@ -58,6 +58,6 @@ define_machine(sequoia) { .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, - .restart = ppc44x_reset_system, + .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/44x/taishan.c b/arch/powerpc/platforms/44x/taishan.c index 28ab7e2e02c..49c78b2098b 100644 --- a/arch/powerpc/platforms/44x/taishan.c +++ b/arch/powerpc/platforms/44x/taishan.c @@ -29,8 +29,7 @@ #include <asm/time.h> #include <asm/uic.h> #include <asm/pci-bridge.h> - -#include "44x.h" +#include <asm/ppc4xx.h> static __initdata struct of_device_id taishan_of_bus[] = { { .compatible = "ibm,plb4", }, @@ -68,6 +67,6 @@ define_machine(taishan) { .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, - .restart = ppc44x_reset_system, + .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/44x/warp-nand.c b/arch/powerpc/platforms/44x/warp-nand.c index 84ab78ff8c0..9150318cfc5 100644 --- a/arch/powerpc/platforms/44x/warp-nand.c +++ b/arch/powerpc/platforms/44x/warp-nand.c @@ -11,6 +11,7 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/nand.h> #include <linux/mtd/ndfc.h> +#include <asm/machdep.h> #ifdef CONFIG_MTD_NAND_NDFC @@ -100,6 +101,6 @@ static int warp_setup_nand_flash(void) return 0; } -device_initcall(warp_setup_nand_flash); +machine_device_initcall(warp, warp_setup_nand_flash); #endif diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c index da5b7b7599d..39cf6150a72 100644 --- a/arch/powerpc/platforms/44x/warp.c +++ b/arch/powerpc/platforms/44x/warp.c @@ -18,9 +18,7 @@ #include <asm/udbg.h> #include <asm/time.h> #include <asm/uic.h> - -#include "44x.h" - +#include <asm/ppc4xx.h> static __initdata struct of_device_id warp_of_bus[] = { { .compatible = "ibm,plb4", }, @@ -49,7 +47,7 @@ define_machine(warp) { .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, - .restart = ppc44x_reset_system, + .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, }; diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index 956f459e175..6d584f4e3c9 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -63,7 +63,7 @@ lite5200_fix_clock_config(void) of_node_put(np); if (!cdm) { printk(KERN_ERR "%s() failed; expect abnormal behaviour\n", - __FUNCTION__); + __func__); return; } @@ -98,7 +98,7 @@ lite5200_fix_port_config(void) of_node_put(np); if (!gpio) { printk(KERN_ERR "%s() failed. expect abnormal behavior\n", - __FUNCTION__); + __func__); return; } diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index 7e76ddbd582..28bc6e58a97 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -46,6 +46,13 @@ config MPC85xx_DS help This option enables support for the MPC85xx DS (MPC8544 DS) board +config KSI8560 + bool "Emerson KSI8560" + select PPC_CPM_NEW_BINDING + select DEFAULT_UIMAGE + help + This option enables support for the Emerson KSI8560 board + config STX_GP3 bool "Silicon Turnkey Express GP3" help diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile index cb7af4ebd75..6cea185f62b 100644 --- a/arch/powerpc/platforms/85xx/Makefile +++ b/arch/powerpc/platforms/85xx/Makefile @@ -10,3 +10,4 @@ obj-$(CONFIG_STX_GP3) += stx_gp3.o obj-$(CONFIG_TQM85xx) += tqm85xx.o obj-$(CONFIG_SBC8560) += sbc8560.o obj-$(CONFIG_SBC8548) += sbc8548.o +obj-$(CONFIG_KSI8560) += ksi8560.o diff --git a/arch/powerpc/platforms/85xx/ksi8560.c b/arch/powerpc/platforms/85xx/ksi8560.c new file mode 100644 index 00000000000..2145adeb220 --- /dev/null +++ b/arch/powerpc/platforms/85xx/ksi8560.c @@ -0,0 +1,257 @@ +/* + * Board setup routines for the Emerson KSI8560 + * + * Author: Alexandr Smirnov <asmirnov@ru.mvista.com> + * + * Based on mpc85xx_ads.c maintained by Kumar Gala + * + * 2008 (c) MontaVista, Software, Inc. 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/stddef.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/delay.h> +#include <linux/seq_file.h> +#include <linux/of_platform.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <asm/mpic.h> +#include <mm/mmu_decl.h> +#include <asm/udbg.h> +#include <asm/prom.h> + +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> + +#include <asm/cpm2.h> +#include <sysdev/cpm2_pic.h> + + +#define KSI8560_CPLD_HVR 0x04 /* Hardware Version Register */ +#define KSI8560_CPLD_PVR 0x08 /* PLD Version Register */ +#define KSI8560_CPLD_RCR1 0x30 /* Reset Command Register 1 */ + +#define KSI8560_CPLD_RCR1_CPUHR 0x80 /* CPU Hard Reset */ + +static void __iomem *cpld_base = NULL; + +static void machine_restart(char *cmd) +{ + if (cpld_base) + out_8(cpld_base + KSI8560_CPLD_RCR1, KSI8560_CPLD_RCR1_CPUHR); + else + printk(KERN_ERR "Can't find CPLD base, hang forever\n"); + + for (;;); +} + +static void cpm2_cascade(unsigned int irq, struct irq_desc *desc) +{ + int cascade_irq; + + while ((cascade_irq = cpm2_get_irq()) >= 0) + generic_handle_irq(cascade_irq); + + desc->chip->eoi(irq); +} + +static void __init ksi8560_pic_init(void) +{ + struct mpic *mpic; + struct resource r; + struct device_node *np; +#ifdef CONFIG_CPM2 + int irq; +#endif + + np = of_find_node_by_type(NULL, "open-pic"); + + if (np == NULL) { + printk(KERN_ERR "Could not find open-pic node\n"); + return; + } + + if (of_address_to_resource(np, 0, &r)) { + printk(KERN_ERR "Could not map mpic register space\n"); + of_node_put(np); + return; + } + + mpic = mpic_alloc(np, r.start, + MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, + 0, 256, " OpenPIC "); + BUG_ON(mpic == NULL); + of_node_put(np); + + mpic_init(mpic); + +#ifdef CONFIG_CPM2 + /* Setup CPM2 PIC */ + np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic"); + if (np == NULL) { + printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n"); + return; + } + irq = irq_of_parse_and_map(np, 0); + + cpm2_pic_init(np); + of_node_put(np); + set_irq_chained_handler(irq, cpm2_cascade); + + setup_irq(0, NULL); +#endif +} + +#ifdef CONFIG_CPM2 +/* + * Setup I/O ports + */ +struct cpm_pin { + int port, pin, flags; +}; + +static struct cpm_pin __initdata ksi8560_pins[] = { + /* SCC1 */ + {3, 29, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {3, 30, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {3, 31, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + + /* SCC2 */ + {3, 26, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {3, 27, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {3, 28, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + + /* FCC1 */ + {0, 14, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {0, 15, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {0, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {0, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {0, 18, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {0, 19, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {0, 20, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {0, 21, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {0, 26, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, + {0, 27, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, + {0, 28, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {0, 29, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {0, 30, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, + {0, 31, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, + {2, 23, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, /* CLK9 */ + {2, 22, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, /* CLK10 */ + +}; + +static void __init init_ioports(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ksi8560_pins); i++) { + struct cpm_pin *pin = &ksi8560_pins[i]; + cpm2_set_pin(pin->port, pin->pin, pin->flags); + } + + cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_RX); + cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_TX); + cpm2_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_RX); + cpm2_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_TX); + cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK9, CPM_CLK_RX); + cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK10, CPM_CLK_TX); +} +#endif + +/* + * Setup the architecture + */ +static void __init ksi8560_setup_arch(void) +{ + struct device_node *cpld; + + cpld = of_find_compatible_node(NULL, NULL, "emerson,KSI8560-cpld"); + if (cpld) + cpld_base = of_iomap(cpld, 0); + else + printk(KERN_ERR "Can't find CPLD in device tree\n"); + + if (ppc_md.progress) + ppc_md.progress("ksi8560_setup_arch()", 0); + +#ifdef CONFIG_CPM2 + cpm2_reset(); + init_ioports(); +#endif +} + +static void ksi8560_show_cpuinfo(struct seq_file *m) +{ + uint pvid, svid, phid1; + uint memsize = total_memory; + + pvid = mfspr(SPRN_PVR); + svid = mfspr(SPRN_SVR); + + seq_printf(m, "Vendor\t\t: Emerson Network Power\n"); + seq_printf(m, "Board\t\t: KSI8560\n"); + + if (cpld_base) { + seq_printf(m, "Hardware rev\t: %d\n", + in_8(cpld_base + KSI8560_CPLD_HVR)); + seq_printf(m, "CPLD rev\t: %d\n", + in_8(cpld_base + KSI8560_CPLD_PVR)); + } else + seq_printf(m, "Unknown Hardware and CPLD revs\n"); + + seq_printf(m, "PVR\t\t: 0x%x\n", pvid); + seq_printf(m, "SVR\t\t: 0x%x\n", svid); + + /* Display cpu Pll setting */ + phid1 = mfspr(SPRN_HID1); + seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f)); + + /* Display the amount of memory */ + seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024)); +} + +static struct of_device_id __initdata of_bus_ids[] = { + { .type = "soc", }, + { .name = "cpm", }, + { .name = "localbus", }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, of_bus_ids, NULL); + + return 0; +} +machine_device_initcall(ksi8560, declare_of_platform_devices); + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init ksi8560_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "emerson,KSI8560"); +} + +define_machine(ksi8560) { + .name = "KSI8560", + .probe = ksi8560_probe, + .setup_arch = ksi8560_setup_arch, + .init_IRQ = ksi8560_pic_init, + .show_cpuinfo = ksi8560_show_cpuinfo, + .get_irq = mpic_get_irq, + .restart = machine_restart, + .calibrate_decr = generic_calibrate_decr, +}; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index bdb3d0b38cd..2865d019afc 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -36,7 +36,7 @@ #undef DEBUG #ifdef DEBUG -#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args) +#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args) #else #define DBG(fmt, args...) #endif diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c index 184f998d1be..0d9f75c74f8 100644 --- a/arch/powerpc/platforms/8xx/m8xx_setup.c +++ b/arch/powerpc/platforms/8xx/m8xx_setup.c @@ -111,17 +111,12 @@ void __init mpc8xx_calibrate_decr(void) /* Processor frequency is MHz. */ - ppc_tb_freq = 50000000; - if (!get_freq("bus-frequency", &ppc_tb_freq)) { - printk(KERN_ERR "WARNING: Estimating decrementer frequency " - "(not found)\n"); - } - ppc_tb_freq /= 16; ppc_proc_freq = 50000000; if (!get_freq("clock-frequency", &ppc_proc_freq)) printk(KERN_ERR "WARNING: Estimating processor frequency " "(not found)\n"); + ppc_tb_freq = ppc_proc_freq / 16; printk("Decrementer Frequency = 0x%lx\n", ppc_tb_freq); /* Perform some more timer/timebase initialization. This used diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 0c3face0ddb..5fc7fac10e9 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -41,11 +41,13 @@ config 40x bool "AMCC 40x" select PPC_DCR_NATIVE select PPC_UDBG_16550 + select 4xx_SOC config 44x bool "AMCC 44x" select PPC_DCR_NATIVE select PPC_UDBG_16550 + select 4xx_SOC config E200 bool "Freescale e200" diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index d75ccded7f1..45646b2b4af 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -28,13 +28,13 @@ #include <linux/notifier.h> #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/lmb.h> #include <asm/prom.h> #include <asm/iommu.h> #include <asm/machdep.h> #include <asm/pci-bridge.h> #include <asm/udbg.h> -#include <asm/lmb.h> #include <asm/firmware.h> #include <asm/cell-regs.h> @@ -316,7 +316,7 @@ static void cell_iommu_setup_stab(struct cbe_iommu *iommu, segments = max(dbase + dsize, fbase + fsize) >> IO_SEGMENT_SHIFT; pr_debug("%s: iommu[%d]: segments: %lu\n", - __FUNCTION__, iommu->nid, segments); + __func__, iommu->nid, segments); /* set up the segment table */ stab_size = segments * sizeof(unsigned long); @@ -343,7 +343,7 @@ static unsigned long *cell_iommu_alloc_ptab(struct cbe_iommu *iommu, (1 << 12) / sizeof(unsigned long)); ptab_size = segments * pages_per_segment * sizeof(unsigned long); - pr_debug("%s: iommu[%d]: ptab_size: %lu, order: %d\n", __FUNCTION__, + pr_debug("%s: iommu[%d]: ptab_size: %lu, order: %d\n", __func__, iommu->nid, ptab_size, get_order(ptab_size)); page = alloc_pages_node(iommu->nid, GFP_KERNEL, get_order(ptab_size)); BUG_ON(!page); @@ -355,7 +355,7 @@ static unsigned long *cell_iommu_alloc_ptab(struct cbe_iommu *iommu, n_pte_pages = (pages_per_segment * sizeof(unsigned long)) >> 12; pr_debug("%s: iommu[%d]: stab at %p, ptab at %p, n_pte_pages: %lu\n", - __FUNCTION__, iommu->nid, iommu->stab, ptab, + __func__, iommu->nid, iommu->stab, ptab, n_pte_pages); /* initialise the STEs */ @@ -394,7 +394,7 @@ static void cell_iommu_enable_hardware(struct cbe_iommu *iommu) if (cell_iommu_find_ioc(iommu->nid, &xlate_base)) panic("%s: missing IOC register mappings for node %d\n", - __FUNCTION__, iommu->nid); + __func__, iommu->nid); iommu->xlate_regs = ioremap(xlate_base, IOC_Reg_Size); iommu->cmd_regs = iommu->xlate_regs + IOC_IOCmd_Offset; diff --git a/arch/powerpc/platforms/cell/pervasive.c b/arch/powerpc/platforms/cell/pervasive.c index 0304589c0a8..8a3631ce912 100644 --- a/arch/powerpc/platforms/cell/pervasive.c +++ b/arch/powerpc/platforms/cell/pervasive.c @@ -65,7 +65,7 @@ static void cbe_power_save(void) break; default: printk(KERN_WARNING "%s: unknown configuration\n", - __FUNCTION__); + __func__); break; } mtspr(SPRN_TSC_CELL, thread_switch_control); diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c index e43024c0392..655704ad03c 100644 --- a/arch/powerpc/platforms/cell/ras.c +++ b/arch/powerpc/platforms/cell/ras.c @@ -132,7 +132,7 @@ static int __init cbe_ptcal_enable_on_node(int nid, int order) (unsigned int)(addr >> 32), (unsigned int)(addr & 0xffffffff))) { printk(KERN_ERR "%s: error enabling PTCAL on node %d!\n", - __FUNCTION__, nid); + __func__, nid); goto out_free_pages; } @@ -162,7 +162,7 @@ static int __init cbe_ptcal_enable(void) if (!size) return -ENODEV; - pr_debug("%s: enabling PTCAL, size = 0x%x\n", __FUNCTION__, *size); + pr_debug("%s: enabling PTCAL, size = 0x%x\n", __func__, *size); order = get_order(*size); of_node_put(np); @@ -180,7 +180,7 @@ static int __init cbe_ptcal_enable(void) const u32 *nid = of_get_property(np, "node-id", NULL); if (!nid) { printk(KERN_ERR "%s: node %s is missing node-id?\n", - __FUNCTION__, np->full_name); + __func__, np->full_name); continue; } cbe_ptcal_enable_on_node(*nid, order); @@ -195,13 +195,13 @@ static int cbe_ptcal_disable(void) struct ptcal_area *area, *tmp; int ret = 0; - pr_debug("%s: disabling PTCAL\n", __FUNCTION__); + pr_debug("%s: disabling PTCAL\n", __func__); list_for_each_entry_safe(area, tmp, &ptcal_list, list) { /* disable ptcal on this node */ if (rtas_call(ptcal_stop_tok, 1, 1, NULL, area->nid)) { printk(KERN_ERR "%s: error disabling PTCAL " - "on node %d!\n", __FUNCTION__, + "on node %d!\n", __func__, area->nid); ret = -EIO; continue; diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index 712001f6b7d..6bab44b7716 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -165,7 +165,7 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) struct spu_slb slb; int psize; - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); slb.esid = (ea & ESID_MASK) | SLB_ESID_V; @@ -215,7 +215,7 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap); //XXX static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr) { - pr_debug("%s, %lx, %lx\n", __FUNCTION__, dsisr, ea); + pr_debug("%s, %lx, %lx\n", __func__, dsisr, ea); /* Handle kernel space hash faults immediately. User hash faults need to be deferred to process context. */ @@ -351,7 +351,7 @@ spu_irq_class_1(int irq, void *data) __spu_trap_data_seg(spu, dar); spin_unlock(&spu->register_lock); - pr_debug("%s: %lx %lx %lx %lx\n", __FUNCTION__, mask, stat, + pr_debug("%s: %lx %lx %lx %lx\n", __func__, mask, stat, dar, dsisr); if (stat & CLASS1_STORAGE_FAULT_INTR) @@ -726,7 +726,7 @@ static int __init init_spu_base(void) if (ret < 0) { printk(KERN_WARNING "%s: Error initializing spus\n", - __FUNCTION__); + __func__); goto out_unregister_sysdev_class; } diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c index dceb8b6a938..19f6bfdbb93 100644 --- a/arch/powerpc/platforms/cell/spu_callbacks.c +++ b/arch/powerpc/platforms/cell/spu_callbacks.c @@ -54,7 +54,7 @@ long spu_sys_callback(struct spu_syscall_block *s) long (*syscall)(u64 a1, u64 a2, u64 a3, u64 a4, u64 a5, u64 a6); if (s->nr_ret >= ARRAY_SIZE(spu_syscall_table)) { - pr_debug("%s: invalid syscall #%ld", __FUNCTION__, s->nr_ret); + pr_debug("%s: invalid syscall #%ld", __func__, s->nr_ret); return -ENOSYS; } diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c index d351bdebf5f..4c506c1463c 100644 --- a/arch/powerpc/platforms/cell/spu_manage.c +++ b/arch/powerpc/platforms/cell/spu_manage.c @@ -92,7 +92,7 @@ static int __init spu_map_interrupts_old(struct spu *spu, tmp = of_get_property(np->parent->parent, "node-id", NULL); if (!tmp) { - printk(KERN_WARNING "%s: can't find node-id\n", __FUNCTION__); + printk(KERN_WARNING "%s: can't find node-id\n", __func__); nid = spu->node; } else nid = tmp[0]; @@ -296,7 +296,7 @@ static int __init of_enumerate_spus(int (*fn)(void *data)) ret = fn(node); if (ret) { printk(KERN_WARNING "%s: Error initializing %s\n", - __FUNCTION__, node->name); + __func__, node->name); break; } n++; @@ -327,7 +327,7 @@ static int __init of_create_spu(struct spu *spu, void *data) if (!legacy_map) { legacy_map = 1; printk(KERN_WARNING "%s: Legacy device tree found, " - "trying to map old style\n", __FUNCTION__); + "trying to map old style\n", __func__); } ret = spu_map_device_old(spu); if (ret) { @@ -342,7 +342,7 @@ static int __init of_create_spu(struct spu *spu, void *data) if (!legacy_irq) { legacy_irq = 1; printk(KERN_WARNING "%s: Legacy device tree found, " - "trying old style irq\n", __FUNCTION__); + "trying old style irq\n", __func__); } ret = spu_map_interrupts_old(spu, spe); if (ret) { diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index f7a7e8635fb..f14d3a0a861 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -1556,7 +1556,7 @@ void spufs_mfc_callback(struct spu *spu) wake_up_all(&ctx->mfc_wq); - pr_debug("%s %s\n", __FUNCTION__, spu->name); + pr_debug("%s %s\n", __func__, spu->name); if (ctx->mfc_fasync) { u32 free_elements, tagstatus; unsigned int mask; @@ -1790,7 +1790,7 @@ static unsigned int spufs_mfc_poll(struct file *file,poll_table *wait) if (tagstatus & ctx->tagwait) mask |= POLLIN | POLLRDNORM; - pr_debug("%s: free %d tagstatus %d tagwait %d\n", __FUNCTION__, + pr_debug("%s: free %d tagstatus %d tagwait %d\n", __func__, free_elements, tagstatus, ctx->tagwait); return mask; diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c index cac69e11677..5986d08115a 100644 --- a/arch/powerpc/platforms/cell/spufs/run.c +++ b/arch/powerpc/platforms/cell/spufs/run.c @@ -98,7 +98,7 @@ static int spu_setup_isolated(struct spu_context *ctx) != MFC_CNTL_PURGE_DMA_COMPLETE) { if (time_after(jiffies, timeout)) { printk(KERN_ERR "%s: timeout flushing MFC DMA queue\n", - __FUNCTION__); + __func__); ret = -EIO; goto out; } @@ -124,7 +124,7 @@ static int spu_setup_isolated(struct spu_context *ctx) status_loading) { if (time_after(jiffies, timeout)) { printk(KERN_ERR "%s: timeout waiting for loader\n", - __FUNCTION__); + __func__); ret = -EIO; goto out_drop_priv; } @@ -134,7 +134,7 @@ static int spu_setup_isolated(struct spu_context *ctx) if (!(status & SPU_STATUS_RUNNING)) { /* If isolated LOAD has failed: run SPU, we will get a stop-and * signal later. */ - pr_debug("%s: isolated LOAD failed\n", __FUNCTION__); + pr_debug("%s: isolated LOAD failed\n", __func__); ctx->ops->runcntl_write(ctx, SPU_RUNCNTL_RUNNABLE); ret = -EACCES; goto out_drop_priv; @@ -142,7 +142,7 @@ static int spu_setup_isolated(struct spu_context *ctx) if (!(status & SPU_STATUS_ISOLATED_STATE)) { /* This isn't allowed by the CBEA, but check anyway */ - pr_debug("%s: SPU fell out of isolated mode?\n", __FUNCTION__); + pr_debug("%s: SPU fell out of isolated mode?\n", __func__); ctx->ops->runcntl_write(ctx, SPU_RUNCNTL_STOP); ret = -EINVAL; goto out_drop_priv; @@ -282,7 +282,7 @@ static int spu_handle_restartsys(struct spu_context *ctx, long *spu_ret, break; default: printk(KERN_WARNING "%s: unexpected return code %ld\n", - __FUNCTION__, *spu_ret); + __func__, *spu_ret); ret = 0; } return ret; diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c index d4f8bf581e3..84e2d78b9a6 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c +++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c @@ -117,11 +117,11 @@ static void __init mpc7448_hpc2_init_IRQ(void) } if (mpic_paddr == 0) { - printk("%s: No tsi108 PIC found !\n", __FUNCTION__); + printk("%s: No tsi108 PIC found !\n", __func__); return; } - DBG("%s: tsi108 pic phys_addr = 0x%x\n", __FUNCTION__, + DBG("%s: tsi108 pic phys_addr = 0x%x\n", __func__, (u32) mpic_paddr); mpic = mpic_alloc(tsi_pic, mpic_paddr, @@ -140,17 +140,17 @@ static void __init mpc7448_hpc2_init_IRQ(void) #ifdef CONFIG_PCI tsi_pci = of_find_node_by_type(NULL, "pci"); if (tsi_pci == NULL) { - printk("%s: No tsi108 pci node found !\n", __FUNCTION__); + printk("%s: No tsi108 pci node found !\n", __func__); return; } cascade_node = of_find_node_by_type(NULL, "pic-router"); if (cascade_node == NULL) { - printk("%s: No tsi108 pci cascade node found !\n", __FUNCTION__); + printk("%s: No tsi108 pci cascade node found !\n", __func__); return; } cascade_pci_irq = irq_of_parse_and_map(tsi_pci, 0); - DBG("%s: tsi108 cascade_pci_irq = 0x%x\n", __FUNCTION__, + DBG("%s: tsi108 cascade_pci_irq = 0x%x\n", __func__, (u32) cascade_pci_irq); tsi108_pci_int_init(cascade_node); set_irq_data(cascade_pci_irq, mpic); diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c index cc562e4c2f3..02a634faedb 100644 --- a/arch/powerpc/platforms/iseries/pci.c +++ b/arch/powerpc/platforms/iseries/pci.c @@ -23,6 +23,7 @@ #undef DEBUG +#include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/list.h> #include <linux/string.h> @@ -586,7 +587,7 @@ static inline struct device_node *xlate_iomm_address( static unsigned long last_jiffies; static int num_printed; - if ((jiffies - last_jiffies) > 60 * HZ) { + if (time_after(jiffies, last_jiffies + 60 * HZ)) { last_jiffies = jiffies; num_printed = 0; } diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c index 3ffa0ac170e..301855263b8 100644 --- a/arch/powerpc/platforms/maple/pci.c +++ b/arch/powerpc/platforms/maple/pci.c @@ -592,50 +592,3 @@ int maple_pci_get_legacy_ide_irq(struct pci_dev *pdev, int channel) } return irq; } - -/* XXX: To remove once all firmwares are ok */ -static void fixup_maple_ide(struct pci_dev* dev) -{ - if (!machine_is(maple)) - return; - -#if 0 /* Enable this to enable IDE port 0 */ - { - u8 v; - - pci_read_config_byte(dev, 0x40, &v); - v |= 2; - pci_write_config_byte(dev, 0x40, v); - } -#endif -#if 0 /* fix bus master base */ - pci_write_config_dword(dev, 0x20, 0xcc01); - printk("old ide resource: %lx -> %lx \n", - dev->resource[4].start, dev->resource[4].end); - dev->resource[4].start = 0xcc00; - dev->resource[4].end = 0xcc10; -#endif -#if 0 /* Enable this to fixup IDE sense/polarity of irqs in IO-APICs */ - { - struct pci_dev *apicdev; - u32 v; - - apicdev = pci_get_slot (dev->bus, PCI_DEVFN(5,0)); - if (apicdev == NULL) - printk("IDE Fixup IRQ: Can't find IO-APIC !\n"); - else { - pci_write_config_byte(apicdev, 0xf2, 0x10 + 2*14); - pci_read_config_dword(apicdev, 0xf4, &v); - v &= ~0x00000022; - pci_write_config_dword(apicdev, 0xf4, v); - pci_write_config_byte(apicdev, 0xf2, 0x10 + 2*15); - pci_read_config_dword(apicdev, 0xf4, &v); - v &= ~0x00000022; - pci_write_config_dword(apicdev, 0xf4, v); - pci_dev_put(apicdev); - } - } -#endif -} -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_IDE, - fixup_maple_ide); diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c index 3ce2d73b417..364714757cf 100644 --- a/arch/powerpc/platforms/maple/setup.c +++ b/arch/powerpc/platforms/maple/setup.c @@ -43,6 +43,7 @@ #include <linux/smp.h> #include <linux/bitops.h> #include <linux/of_device.h> +#include <linux/lmb.h> #include <asm/processor.h> #include <asm/sections.h> @@ -57,7 +58,6 @@ #include <asm/dma.h> #include <asm/cputable.h> #include <asm/time.h> -#include <asm/lmb.h> #include <asm/mpic.h> #include <asm/rtas.h> #include <asm/udbg.h> @@ -319,7 +319,7 @@ static int __init maple_probe(void) return 1; } -define_machine(maple_md) { +define_machine(maple) { .name = "Maple", .probe = maple_probe, .setup_arch = maple_setup_arch, diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c index c529d8dff39..217af321b0c 100644 --- a/arch/powerpc/platforms/pasemi/dma_lib.c +++ b/arch/powerpc/platforms/pasemi/dma_lib.c @@ -17,6 +17,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> #include <linux/pci.h> @@ -26,6 +27,8 @@ #define MAX_TXCH 64 #define MAX_RXCH 64 +#define MAX_FLAGS 64 +#define MAX_FUN 8 static struct pasdma_status *dma_status; @@ -43,6 +46,8 @@ static struct pci_dev *dma_pdev; static DECLARE_BITMAP(txch_free, MAX_TXCH); static DECLARE_BITMAP(rxch_free, MAX_RXCH); +static DECLARE_BITMAP(flags_free, MAX_FLAGS); +static DECLARE_BITMAP(fun_free, MAX_FUN); /* pasemi_read_iob_reg - read IOB register * @reg: Register to read (offset into PCI CFG space) @@ -373,6 +378,106 @@ void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size, } EXPORT_SYMBOL(pasemi_dma_free_buf); +/* pasemi_dma_alloc_flag - Allocate a flag (event) for channel syncronization + * + * Allocates a flag for use with channel syncronization (event descriptors). + * Returns allocated flag (0-63), < 0 on error. + */ +int pasemi_dma_alloc_flag(void) +{ + int bit; + +retry: + bit = find_next_bit(flags_free, MAX_FLAGS, 0); + if (bit >= MAX_FLAGS) + return -ENOSPC; + if (!test_and_clear_bit(bit, flags_free)) + goto retry; + + return bit; +} +EXPORT_SYMBOL(pasemi_dma_alloc_flag); + + +/* pasemi_dma_free_flag - Deallocates a flag (event) + * @flag: Flag number to deallocate + * + * Frees up a flag so it can be reused for other purposes. + */ +void pasemi_dma_free_flag(int flag) +{ + BUG_ON(test_bit(flag, flags_free)); + BUG_ON(flag >= MAX_FLAGS); + set_bit(flag, flags_free); +} +EXPORT_SYMBOL(pasemi_dma_free_flag); + + +/* pasemi_dma_set_flag - Sets a flag (event) to 1 + * @flag: Flag number to set active + * + * Sets the flag provided to 1. + */ +void pasemi_dma_set_flag(int flag) +{ + BUG_ON(flag >= MAX_FLAGS); + if (flag < 32) + pasemi_write_dma_reg(PAS_DMA_TXF_SFLG0, 1 << flag); + else + pasemi_write_dma_reg(PAS_DMA_TXF_SFLG1, 1 << flag); +} +EXPORT_SYMBOL(pasemi_dma_set_flag); + +/* pasemi_dma_clear_flag - Sets a flag (event) to 0 + * @flag: Flag number to set inactive + * + * Sets the flag provided to 0. + */ +void pasemi_dma_clear_flag(int flag) +{ + BUG_ON(flag >= MAX_FLAGS); + if (flag < 32) + pasemi_write_dma_reg(PAS_DMA_TXF_CFLG0, 1 << flag); + else + pasemi_write_dma_reg(PAS_DMA_TXF_CFLG1, 1 << flag); +} +EXPORT_SYMBOL(pasemi_dma_clear_flag); + +/* pasemi_dma_alloc_fun - Allocate a function engine + * + * Allocates a function engine to use for crypto/checksum offload + * Returns allocated engine (0-8), < 0 on error. + */ +int pasemi_dma_alloc_fun(void) +{ + int bit; + +retry: + bit = find_next_bit(fun_free, MAX_FLAGS, 0); + if (bit >= MAX_FLAGS) + return -ENOSPC; + if (!test_and_clear_bit(bit, fun_free)) + goto retry; + + return bit; +} +EXPORT_SYMBOL(pasemi_dma_alloc_fun); + + +/* pasemi_dma_free_fun - Deallocates a function engine + * @flag: Engine number to deallocate + * + * Frees up a function engine so it can be used for other purposes. + */ +void pasemi_dma_free_fun(int fun) +{ + BUG_ON(test_bit(fun, fun_free)); + BUG_ON(fun >= MAX_FLAGS); + set_bit(fun, fun_free); +} +EXPORT_SYMBOL(pasemi_dma_free_fun); + + static void *map_onedev(struct pci_dev *p, int index) { struct device_node *dn; @@ -410,6 +515,7 @@ int pasemi_dma_init(void) struct resource res; struct device_node *dn; int i, intf, err = 0; + unsigned long timeout; u32 tmp; if (!machine_is(pasemi)) @@ -478,6 +584,44 @@ int pasemi_dma_init(void) for (i = 0; i < MAX_RXCH; i++) __set_bit(i, rxch_free); + timeout = jiffies + HZ; + pasemi_write_dma_reg(PAS_DMA_COM_RXCMD, 0); + while (pasemi_read_dma_reg(PAS_DMA_COM_RXSTA) & 1) { + if (time_after(jiffies, timeout)) { + pr_warning("Warning: Could not disable RX section\n"); + break; + } + } + + timeout = jiffies + HZ; + pasemi_write_dma_reg(PAS_DMA_COM_TXCMD, 0); + while (pasemi_read_dma_reg(PAS_DMA_COM_TXSTA) & 1) { + if (time_after(jiffies, timeout)) { + pr_warning("Warning: Could not disable TX section\n"); + break; + } + } + + /* setup resource allocations for the different DMA sections */ + tmp = pasemi_read_dma_reg(PAS_DMA_COM_CFG); + pasemi_write_dma_reg(PAS_DMA_COM_CFG, tmp | 0x18000000); + + /* enable tx section */ + pasemi_write_dma_reg(PAS_DMA_COM_TXCMD, PAS_DMA_COM_TXCMD_EN); + + /* enable rx section */ + pasemi_write_dma_reg(PAS_DMA_COM_RXCMD, PAS_DMA_COM_RXCMD_EN); + + for (i = 0; i < MAX_FLAGS; i++) + __set_bit(i, flags_free); + + for (i = 0; i < MAX_FUN; i++) + __set_bit(i, fun_free); + + /* clear all status flags */ + pasemi_write_dma_reg(PAS_DMA_TXF_CFLG0, 0xffffffff); + pasemi_write_dma_reg(PAS_DMA_TXF_CFLG1, 0xffffffff); + printk(KERN_INFO "PA Semi PWRficient DMA library initialized " "(%d tx, %d rx channels)\n", num_txch, num_rxch); diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index 36ff1b6b7fa..59404baf911 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -53,6 +53,7 @@ #include <linux/suspend.h> #include <linux/of_device.h> #include <linux/of_platform.h> +#include <linux/lmb.h> #include <asm/reg.h> #include <asm/sections.h> @@ -74,7 +75,6 @@ #include <asm/iommu.h> #include <asm/smu.h> #include <asm/pmc.h> -#include <asm/lmb.h> #include <asm/udbg.h> #include "pmac.h" diff --git a/arch/powerpc/platforms/ps3/device-init.c b/arch/powerpc/platforms/ps3/device-init.c index 9d251d0ca8c..3866debfa3c 100644 --- a/arch/powerpc/platforms/ps3/device-init.c +++ b/arch/powerpc/platforms/ps3/device-init.c @@ -499,41 +499,14 @@ static int __init ps3_register_graphics_devices(void) } /** - * ps3_register_repository_device - Register a device from the repositiory info. - * + * ps3_setup_dynamic_device - Setup a dynamic device from the repository */ -static int ps3_register_repository_device( - const struct ps3_repository_device *repo) +static int ps3_setup_dynamic_device(const struct ps3_repository_device *repo) { int result; switch (repo->dev_type) { - case PS3_DEV_TYPE_SB_GELIC: - result = ps3_setup_gelic_device(repo); - if (result) { - pr_debug("%s:%d ps3_setup_gelic_device failed\n", - __func__, __LINE__); - } - break; - case PS3_DEV_TYPE_SB_USB: - - /* Each USB device has both an EHCI and an OHCI HC */ - - result = ps3_setup_ehci_device(repo); - - if (result) { - pr_debug("%s:%d ps3_setup_ehci_device failed\n", - __func__, __LINE__); - } - - result = ps3_setup_ohci_device(repo); - - if (result) { - pr_debug("%s:%d ps3_setup_ohci_device failed\n", - __func__, __LINE__); - } - break; case PS3_DEV_TYPE_STOR_DISK: result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_DISK); @@ -572,6 +545,48 @@ static int ps3_register_repository_device( return result; } +/** + * ps3_setup_static_device - Setup a static device from the repository + */ + +static int __init ps3_setup_static_device(const struct ps3_repository_device *repo) +{ + int result; + + switch (repo->dev_type) { + case PS3_DEV_TYPE_SB_GELIC: + result = ps3_setup_gelic_device(repo); + if (result) { + pr_debug("%s:%d ps3_setup_gelic_device failed\n", + __func__, __LINE__); + } + break; + case PS3_DEV_TYPE_SB_USB: + + /* Each USB device has both an EHCI and an OHCI HC */ + + result = ps3_setup_ehci_device(repo); + + if (result) { + pr_debug("%s:%d ps3_setup_ehci_device failed\n", + __func__, __LINE__); + } + + result = ps3_setup_ohci_device(repo); + + if (result) { + pr_debug("%s:%d ps3_setup_ohci_device failed\n", + __func__, __LINE__); + } + break; + + default: + return ps3_setup_dynamic_device(repo); + } + + return result; +} + static void ps3_find_and_add_device(u64 bus_id, u64 dev_id) { struct ps3_repository_device repo; @@ -601,7 +616,7 @@ found: pr_debug("%s:%u: device %lu:%lu found after %u retries\n", __func__, __LINE__, bus_id, dev_id, retries); - ps3_register_repository_device(&repo); + ps3_setup_dynamic_device(&repo); return; } @@ -905,8 +920,7 @@ static int __init ps3_register_devices(void) ps3_register_graphics_devices(); - ps3_repository_find_devices(PS3_BUS_TYPE_SB, - ps3_register_repository_device); + ps3_repository_find_devices(PS3_BUS_TYPE_SB, ps3_setup_static_device); ps3_register_sound_devices(); diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c index 7382f195c4f..1cf901fa903 100644 --- a/arch/powerpc/platforms/ps3/htab.c +++ b/arch/powerpc/platforms/ps3/htab.c @@ -19,9 +19,10 @@ */ #include <linux/kernel.h> +#include <linux/lmb.h> #include <asm/machdep.h> -#include <asm/lmb.h> +#include <asm/prom.h> #include <asm/udbg.h> #include <asm/lv1call.h> #include <asm/ps3fb.h> diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index 3a6db04aa94..a14e5cdc2fe 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -709,7 +709,7 @@ static unsigned int ps3_get_irq(void) asm volatile("cntlzd %0,%1" : "=r" (plug) : "r" (x)); plug &= 0x3f; - if (unlikely(plug) == NO_IRQ) { + if (unlikely(plug == NO_IRQ)) { pr_debug("%s:%d: no plug found: thread_id %lu\n", __func__, __LINE__, pd->thread_id); dump_bmp(&per_cpu(ps3_private, 0)); diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c index 68900476c84..5b3fb2b321a 100644 --- a/arch/powerpc/platforms/ps3/mm.c +++ b/arch/powerpc/platforms/ps3/mm.c @@ -21,9 +21,10 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/memory_hotplug.h> +#include <linux/lmb.h> #include <asm/firmware.h> -#include <asm/lmb.h> +#include <asm/prom.h> #include <asm/udbg.h> #include <asm/lv1call.h> diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c index b9ea09d9d2f..c73379ec914 100644 --- a/arch/powerpc/platforms/ps3/os-area.c +++ b/arch/powerpc/platforms/ps3/os-area.c @@ -24,8 +24,9 @@ #include <linux/fs.h> #include <linux/syscalls.h> #include <linux/ctype.h> +#include <linux/lmb.h> -#include <asm/lmb.h> +#include <asm/prom.h> #include "platform.h" diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index 5c2cbb08eb5..a413abbd412 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -95,6 +95,14 @@ static void ps3_power_off(void) ps3_sys_manager_power_off(); /* never returns */ } +static void ps3_halt(void) +{ + DBG("%s:%d\n", __func__, __LINE__); + + smp_send_stop(); + ps3_sys_manager_halt(); /* never returns */ +} + static void ps3_panic(char *str) { DBG("%s:%d %s\n", __func__, __LINE__, str); @@ -105,7 +113,8 @@ static void ps3_panic(char *str) printk(" Please press POWER button.\n"); printk("\n"); - while(1); + while(1) + lv1_pause(1); } #if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) || \ @@ -117,7 +126,7 @@ static void __init prealloc(struct ps3_prealloc *p) p->address = __alloc_bootmem(p->size, p->align, __pa(MAX_DMA_ADDRESS)); if (!p->address) { - printk(KERN_ERR "%s: Cannot allocate %s\n", __FUNCTION__, + printk(KERN_ERR "%s: Cannot allocate %s\n", __func__, p->name); return; } @@ -266,6 +275,7 @@ define_machine(ps3) { .progress = ps3_progress, .restart = ps3_restart, .power_off = ps3_power_off, + .halt = ps3_halt, #if defined(CONFIG_KEXEC) .kexec_cpu_down = ps3_kexec_cpu_down, .machine_kexec = default_machine_kexec, diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c index 5ad41189b49..d135cef9ed6 100644 --- a/arch/powerpc/platforms/ps3/spu.c +++ b/arch/powerpc/platforms/ps3/spu.c @@ -27,6 +27,7 @@ #include <asm/spu.h> #include <asm/spu_priv1.h> #include <asm/lv1call.h> +#include <asm/ps3.h> #include "../cell/spufs/spufs.h" #include "platform.h" @@ -140,6 +141,12 @@ static void _dump_areas(unsigned int spe_id, unsigned long priv2, pr_debug("%s:%d: shadow: %lxh\n", func, line, shadow); } +inline u64 ps3_get_spe_id(void *arg) +{ + return spu_pdata(arg)->spe_id; +} +EXPORT_SYMBOL_GPL(ps3_get_spe_id); + static unsigned long get_vas_id(void) { unsigned long id; diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile index 992ba6753cf..bdae04bb7a0 100644 --- a/arch/powerpc/platforms/pseries/Makefile +++ b/arch/powerpc/platforms/pseries/Makefile @@ -18,3 +18,4 @@ obj-$(CONFIG_HOTPLUG_CPU) += hotplug-cpu.o obj-$(CONFIG_HVC_CONSOLE) += hvconsole.o obj-$(CONFIG_HVCS) += hvcserver.o obj-$(CONFIG_HCALL_STATS) += hvCall_inst.o +obj-$(CONFIG_PHYP_DUMP) += phyp_dump.o diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 9eb539ee5f9..550b2f7d2cc 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -945,7 +945,6 @@ static void *early_enable_eeh(struct device_node *dn, void *data) unsigned int rets[3]; struct eeh_early_enable_info *info = data; int ret; - const char *status = of_get_property(dn, "status", NULL); const u32 *class_code = of_get_property(dn, "class-code", NULL); const u32 *vendor_id = of_get_property(dn, "vendor-id", NULL); const u32 *device_id = of_get_property(dn, "device-id", NULL); @@ -959,8 +958,8 @@ static void *early_enable_eeh(struct device_node *dn, void *data) pdn->eeh_freeze_count = 0; pdn->eeh_false_positives = 0; - if (status && strncmp(status, "ok", 2) != 0) - return NULL; /* ignore devices with bad status */ + if (!of_device_is_available(dn)) + return NULL; /* Ignore bad nodes. */ if (!class_code || !vendor_id || !device_id) diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 9a455d46379..233d9be25f4 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -520,6 +520,20 @@ static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va, BUG_ON(lpar_rc != H_SUCCESS); } +static void pSeries_lpar_hpte_removebolted(unsigned long ea, + int psize, int ssize) +{ + unsigned long slot, vsid, va; + + vsid = get_kernel_vsid(ea, ssize); + va = hpt_va(ea, vsid, ssize); + + slot = pSeries_lpar_hpte_find(va, psize, ssize); + BUG_ON(slot == -1); + + pSeries_lpar_hpte_invalidate(slot, va, psize, ssize, 0); +} + /* Flag bits for H_BULK_REMOVE */ #define HBR_REQUEST 0x4000000000000000UL #define HBR_RESPONSE 0x8000000000000000UL @@ -597,6 +611,7 @@ void __init hpte_init_lpar(void) ppc_md.hpte_updateboltedpp = pSeries_lpar_hpte_updateboltedpp; ppc_md.hpte_insert = pSeries_lpar_hpte_insert; ppc_md.hpte_remove = pSeries_lpar_hpte_remove; + ppc_md.hpte_removebolted = pSeries_lpar_hpte_removebolted; ppc_md.flush_hash_range = pSeries_lpar_flush_hash_range; ppc_md.hpte_clear_all = pSeries_lpar_hptab_clear; } diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index 5a5a19e40bb..0d7229cde0e 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -123,7 +123,7 @@ pcibios_pci_config_bridge(struct pci_dev *dev) /* Add to children of PCI bridge dev->bus */ child_bus = pci_add_new_bus(dev->bus, dev, sec_busno); if (!child_bus) { - printk (KERN_ERR "%s: could not add second bus\n", __FUNCTION__); + printk (KERN_ERR "%s: could not add second bus\n", __func__); return -EIO; } sprintf(child_bus->name, "PCI Bus #%02x", child_bus->number); diff --git a/arch/powerpc/platforms/pseries/phyp_dump.c b/arch/powerpc/platforms/pseries/phyp_dump.c new file mode 100644 index 00000000000..7ddd10526ce --- /dev/null +++ b/arch/powerpc/platforms/pseries/phyp_dump.c @@ -0,0 +1,498 @@ +/* + * Hypervisor-assisted dump + * + * Linas Vepstas, Manish Ahuja 2008 + * Copyright 2008 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/init.h> +#include <linux/kobject.h> +#include <linux/mm.h> +#include <linux/of.h> +#include <linux/pfn.h> +#include <linux/swap.h> +#include <linux/sysfs.h> + +#include <asm/page.h> +#include <asm/phyp_dump.h> +#include <asm/machdep.h> +#include <asm/prom.h> +#include <asm/rtas.h> + +/* Variables, used to communicate data between early boot and late boot */ +static struct phyp_dump phyp_dump_vars; +struct phyp_dump *phyp_dump_info = &phyp_dump_vars; + +static int ibm_configure_kernel_dump; +/* ------------------------------------------------- */ +/* RTAS interfaces to declare the dump regions */ + +struct dump_section { + u32 dump_flags; + u16 source_type; + u16 error_flags; + u64 source_address; + u64 source_length; + u64 length_copied; + u64 destination_address; +}; + +struct phyp_dump_header { + u32 version; + u16 num_of_sections; + u16 status; + + u32 first_offset_section; + u32 dump_disk_section; + u64 block_num_dd; + u64 num_of_blocks_dd; + u32 offset_dd; + u32 maxtime_to_auto; + /* No dump disk path string used */ + + struct dump_section cpu_data; + struct dump_section hpte_data; + struct dump_section kernel_data; +}; + +/* The dump header *must be* in low memory, so .bss it */ +static struct phyp_dump_header phdr; + +#define NUM_DUMP_SECTIONS 3 +#define DUMP_HEADER_VERSION 0x1 +#define DUMP_REQUEST_FLAG 0x1 +#define DUMP_SOURCE_CPU 0x0001 +#define DUMP_SOURCE_HPTE 0x0002 +#define DUMP_SOURCE_RMO 0x0011 +#define DUMP_ERROR_FLAG 0x2000 +#define DUMP_TRIGGERED 0x4000 +#define DUMP_PERFORMED 0x8000 + + +/** + * init_dump_header() - initialize the header declaring a dump + * Returns: length of dump save area. + * + * When the hypervisor saves crashed state, it needs to put + * it somewhere. The dump header tells the hypervisor where + * the data can be saved. + */ +static unsigned long init_dump_header(struct phyp_dump_header *ph) +{ + unsigned long addr_offset = 0; + + /* Set up the dump header */ + ph->version = DUMP_HEADER_VERSION; + ph->num_of_sections = NUM_DUMP_SECTIONS; + ph->status = 0; + + ph->first_offset_section = + (u32)offsetof(struct phyp_dump_header, cpu_data); + ph->dump_disk_section = 0; + ph->block_num_dd = 0; + ph->num_of_blocks_dd = 0; + ph->offset_dd = 0; + + ph->maxtime_to_auto = 0; /* disabled */ + + /* The first two sections are mandatory */ + ph->cpu_data.dump_flags = DUMP_REQUEST_FLAG; + ph->cpu_data.source_type = DUMP_SOURCE_CPU; + ph->cpu_data.source_address = 0; + ph->cpu_data.source_length = phyp_dump_info->cpu_state_size; + ph->cpu_data.destination_address = addr_offset; + addr_offset += phyp_dump_info->cpu_state_size; + + ph->hpte_data.dump_flags = DUMP_REQUEST_FLAG; + ph->hpte_data.source_type = DUMP_SOURCE_HPTE; + ph->hpte_data.source_address = 0; + ph->hpte_data.source_length = phyp_dump_info->hpte_region_size; + ph->hpte_data.destination_address = addr_offset; + addr_offset += phyp_dump_info->hpte_region_size; + + /* This section describes the low kernel region */ + ph->kernel_data.dump_flags = DUMP_REQUEST_FLAG; + ph->kernel_data.source_type = DUMP_SOURCE_RMO; + ph->kernel_data.source_address = PHYP_DUMP_RMR_START; + ph->kernel_data.source_length = PHYP_DUMP_RMR_END; + ph->kernel_data.destination_address = addr_offset; + addr_offset += ph->kernel_data.source_length; + + return addr_offset; +} + +static void print_dump_header(const struct phyp_dump_header *ph) +{ +#ifdef DEBUG + printk(KERN_INFO "dump header:\n"); + /* setup some ph->sections required */ + printk(KERN_INFO "version = %d\n", ph->version); + printk(KERN_INFO "Sections = %d\n", ph->num_of_sections); + printk(KERN_INFO "Status = 0x%x\n", ph->status); + + /* No ph->disk, so all should be set to 0 */ + printk(KERN_INFO "Offset to first section 0x%x\n", + ph->first_offset_section); + printk(KERN_INFO "dump disk sections should be zero\n"); + printk(KERN_INFO "dump disk section = %d\n", ph->dump_disk_section); + printk(KERN_INFO "block num = %ld\n", ph->block_num_dd); + printk(KERN_INFO "number of blocks = %ld\n", ph->num_of_blocks_dd); + printk(KERN_INFO "dump disk offset = %d\n", ph->offset_dd); + printk(KERN_INFO "Max auto time= %d\n", ph->maxtime_to_auto); + + /*set cpu state and hpte states as well scratch pad area */ + printk(KERN_INFO " CPU AREA \n"); + printk(KERN_INFO "cpu dump_flags =%d\n", ph->cpu_data.dump_flags); + printk(KERN_INFO "cpu source_type =%d\n", ph->cpu_data.source_type); + printk(KERN_INFO "cpu error_flags =%d\n", ph->cpu_data.error_flags); + printk(KERN_INFO "cpu source_address =%lx\n", + ph->cpu_data.source_address); + printk(KERN_INFO "cpu source_length =%lx\n", + ph->cpu_data.source_length); + printk(KERN_INFO "cpu length_copied =%lx\n", + ph->cpu_data.length_copied); + + printk(KERN_INFO " HPTE AREA \n"); + printk(KERN_INFO "HPTE dump_flags =%d\n", ph->hpte_data.dump_flags); + printk(KERN_INFO "HPTE source_type =%d\n", ph->hpte_data.source_type); + printk(KERN_INFO "HPTE error_flags =%d\n", ph->hpte_data.error_flags); + printk(KERN_INFO "HPTE source_address =%lx\n", + ph->hpte_data.source_address); + printk(KERN_INFO "HPTE source_length =%lx\n", + ph->hpte_data.source_length); + printk(KERN_INFO "HPTE length_copied =%lx\n", + ph->hpte_data.length_copied); + + printk(KERN_INFO " SRSD AREA \n"); + printk(KERN_INFO "SRSD dump_flags =%d\n", ph->kernel_data.dump_flags); + printk(KERN_INFO "SRSD source_type =%d\n", ph->kernel_data.source_type); + printk(KERN_INFO "SRSD error_flags =%d\n", ph->kernel_data.error_flags); + printk(KERN_INFO "SRSD source_address =%lx\n", + ph->kernel_data.source_address); + printk(KERN_INFO "SRSD source_length =%lx\n", + ph->kernel_data.source_length); + printk(KERN_INFO "SRSD length_copied =%lx\n", + ph->kernel_data.length_copied); +#endif +} + +static ssize_t show_phyp_dump_active(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + + /* create filesystem entry so kdump is phyp-dump aware */ + return sprintf(buf, "%lx\n", phyp_dump_info->phyp_dump_at_boot); +} + +static struct kobj_attribute pdl = __ATTR(phyp_dump_active, 0600, + show_phyp_dump_active, + NULL); + +static void register_dump_area(struct phyp_dump_header *ph, unsigned long addr) +{ + int rc; + + /* Add addr value if not initialized before */ + if (ph->cpu_data.destination_address == 0) { + ph->cpu_data.destination_address += addr; + ph->hpte_data.destination_address += addr; + ph->kernel_data.destination_address += addr; + } + + /* ToDo Invalidate kdump and free memory range. */ + + do { + rc = rtas_call(ibm_configure_kernel_dump, 3, 1, NULL, + 1, ph, sizeof(struct phyp_dump_header)); + } while (rtas_busy_delay(rc)); + + if (rc) { + printk(KERN_ERR "phyp-dump: unexpected error (%d) on " + "register\n", rc); + print_dump_header(ph); + return; + } + + rc = sysfs_create_file(kernel_kobj, &pdl.attr); + if (rc) + printk(KERN_ERR "phyp-dump: unable to create sysfs" + " file (%d)\n", rc); +} + +static +void invalidate_last_dump(struct phyp_dump_header *ph, unsigned long addr) +{ + int rc; + + /* Add addr value if not initialized before */ + if (ph->cpu_data.destination_address == 0) { + ph->cpu_data.destination_address += addr; + ph->hpte_data.destination_address += addr; + ph->kernel_data.destination_address += addr; + } + + do { + rc = rtas_call(ibm_configure_kernel_dump, 3, 1, NULL, + 2, ph, sizeof(struct phyp_dump_header)); + } while (rtas_busy_delay(rc)); + + if (rc) { + printk(KERN_ERR "phyp-dump: unexpected error (%d) " + "on invalidate\n", rc); + print_dump_header(ph); + } +} + +/* ------------------------------------------------- */ +/** + * release_memory_range -- release memory previously lmb_reserved + * @start_pfn: starting physical frame number + * @nr_pages: number of pages to free. + * + * This routine will release memory that had been previously + * lmb_reserved in early boot. The released memory becomes + * available for genreal use. + */ +static void release_memory_range(unsigned long start_pfn, + unsigned long nr_pages) +{ + struct page *rpage; + unsigned long end_pfn; + long i; + + end_pfn = start_pfn + nr_pages; + + for (i = start_pfn; i <= end_pfn; i++) { + rpage = pfn_to_page(i); + if (PageReserved(rpage)) { + ClearPageReserved(rpage); + init_page_count(rpage); + __free_page(rpage); + totalram_pages++; + } + } +} + +/** + * track_freed_range -- Counts the range being freed. + * Once the counter goes to zero, it re-registers dump for + * future use. + */ +static void +track_freed_range(unsigned long addr, unsigned long length) +{ + static unsigned long scratch_area_size, reserved_area_size; + + if (addr < phyp_dump_info->init_reserve_start) + return; + + if ((addr >= phyp_dump_info->init_reserve_start) && + (addr <= phyp_dump_info->init_reserve_start + + phyp_dump_info->init_reserve_size)) + reserved_area_size += length; + + if ((addr >= phyp_dump_info->reserved_scratch_addr) && + (addr <= phyp_dump_info->reserved_scratch_addr + + phyp_dump_info->reserved_scratch_size)) + scratch_area_size += length; + + if ((reserved_area_size == phyp_dump_info->init_reserve_size) && + (scratch_area_size == phyp_dump_info->reserved_scratch_size)) { + + invalidate_last_dump(&phdr, + phyp_dump_info->reserved_scratch_addr); + register_dump_area(&phdr, + phyp_dump_info->reserved_scratch_addr); + } +} + +/* ------------------------------------------------- */ +/** + * sysfs_release_region -- sysfs interface to release memory range. + * + * Usage: + * "echo <start addr> <length> > /sys/kernel/release_region" + * + * Example: + * "echo 0x40000000 0x10000000 > /sys/kernel/release_region" + * + * will release 256MB starting at 1GB. + */ +static ssize_t store_release_region(struct kobject *kobj, + struct kobj_attribute *attr, + const char *buf, size_t count) +{ + unsigned long start_addr, length, end_addr; + unsigned long start_pfn, nr_pages; + ssize_t ret; + + ret = sscanf(buf, "%lx %lx", &start_addr, &length); + if (ret != 2) + return -EINVAL; + + track_freed_range(start_addr, length); + + /* Range-check - don't free any reserved memory that + * wasn't reserved for phyp-dump */ + if (start_addr < phyp_dump_info->init_reserve_start) + start_addr = phyp_dump_info->init_reserve_start; + + end_addr = phyp_dump_info->init_reserve_start + + phyp_dump_info->init_reserve_size; + if (start_addr+length > end_addr) + length = end_addr - start_addr; + + /* Release the region of memory assed in by user */ + start_pfn = PFN_DOWN(start_addr); + nr_pages = PFN_DOWN(length); + release_memory_range(start_pfn, nr_pages); + + return count; +} + +static ssize_t show_release_region(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + u64 second_addr_range; + + /* total reserved size - start of scratch area */ + second_addr_range = phyp_dump_info->init_reserve_size - + phyp_dump_info->reserved_scratch_size; + return sprintf(buf, "CPU:0x%lx-0x%lx: HPTE:0x%lx-0x%lx:" + " DUMP:0x%lx-0x%lx, 0x%lx-0x%lx:\n", + phdr.cpu_data.destination_address, + phdr.cpu_data.length_copied, + phdr.hpte_data.destination_address, + phdr.hpte_data.length_copied, + phdr.kernel_data.destination_address, + phdr.kernel_data.length_copied, + phyp_dump_info->init_reserve_start, + second_addr_range); +} + +static struct kobj_attribute rr = __ATTR(release_region, 0600, + show_release_region, + store_release_region); + +static int __init phyp_dump_setup(void) +{ + struct device_node *rtas; + const struct phyp_dump_header *dump_header = NULL; + unsigned long dump_area_start; + unsigned long dump_area_length; + int header_len = 0; + int rc; + + /* If no memory was reserved in early boot, there is nothing to do */ + if (phyp_dump_info->init_reserve_size == 0) + return 0; + + /* Return if phyp dump not supported */ + if (!phyp_dump_info->phyp_dump_configured) + return -ENOSYS; + + /* Is there dump data waiting for us? If there isn't, + * then register a new dump area, and release all of + * the rest of the reserved ram. + * + * The /rtas/ibm,kernel-dump rtas node is present only + * if there is dump data waiting for us. + */ + rtas = of_find_node_by_path("/rtas"); + if (rtas) { + dump_header = of_get_property(rtas, "ibm,kernel-dump", + &header_len); + of_node_put(rtas); + } + + print_dump_header(dump_header); + dump_area_length = init_dump_header(&phdr); + /* align down */ + dump_area_start = phyp_dump_info->init_reserve_start & PAGE_MASK; + + if (dump_header == NULL) { + register_dump_area(&phdr, dump_area_start); + return 0; + } + + /* re-register the dump area, if old dump was invalid */ + if ((dump_header) && (dump_header->status & DUMP_ERROR_FLAG)) { + invalidate_last_dump(&phdr, dump_area_start); + register_dump_area(&phdr, dump_area_start); + return 0; + } + + if (dump_header) { + phyp_dump_info->reserved_scratch_addr = + dump_header->cpu_data.destination_address; + phyp_dump_info->reserved_scratch_size = + dump_header->cpu_data.source_length + + dump_header->hpte_data.source_length + + dump_header->kernel_data.source_length; + } + + /* Should we create a dump_subsys, analogous to s390/ipl.c ? */ + rc = sysfs_create_file(kernel_kobj, &rr.attr); + if (rc) + printk(KERN_ERR "phyp-dump: unable to create sysfs file (%d)\n", + rc); + + /* ToDo: re-register the dump area, for next time. */ + return 0; +} +machine_subsys_initcall(pseries, phyp_dump_setup); + +int __init early_init_dt_scan_phyp_dump(unsigned long node, + const char *uname, int depth, void *data) +{ + const unsigned int *sizes; + + phyp_dump_info->phyp_dump_configured = 0; + phyp_dump_info->phyp_dump_is_active = 0; + + if (depth != 1 || strcmp(uname, "rtas") != 0) + return 0; + + if (of_get_flat_dt_prop(node, "ibm,configure-kernel-dump", NULL)) + phyp_dump_info->phyp_dump_configured++; + + if (of_get_flat_dt_prop(node, "ibm,dump-kernel", NULL)) + phyp_dump_info->phyp_dump_is_active++; + + sizes = of_get_flat_dt_prop(node, "ibm,configure-kernel-dump-sizes", + NULL); + if (!sizes) + return 0; + + if (sizes[0] == 1) + phyp_dump_info->cpu_state_size = *((unsigned long *)&sizes[1]); + + if (sizes[3] == 2) + phyp_dump_info->hpte_region_size = + *((unsigned long *)&sizes[4]); + return 1; +} + +/* Look for phyp_dump= cmdline option */ +static int __init early_phyp_dump_enabled(char *p) +{ + phyp_dump_info->phyp_dump_at_boot = 1; + + if (!p) + return 0; + + if (strncmp(p, "1", 1) == 0) + phyp_dump_info->phyp_dump_at_boot = 1; + else if (strncmp(p, "0", 1) == 0) + phyp_dump_info->phyp_dump_at_boot = 0; + + return 0; +} +early_param("phyp_dump", early_phyp_dump_enabled); + diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 2800fced8c7..ac75c10de27 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -222,14 +222,14 @@ static char * parse_next_property(char *buf, char *end, char **name, int *length tmp = strchr(buf, ' '); if (!tmp) { printk(KERN_ERR "property parse failed in %s at line %d\n", - __FUNCTION__, __LINE__); + __func__, __LINE__); return NULL; } *tmp = '\0'; if (++tmp >= end) { printk(KERN_ERR "property parse failed in %s at line %d\n", - __FUNCTION__, __LINE__); + __func__, __LINE__); return NULL; } @@ -238,12 +238,12 @@ static char * parse_next_property(char *buf, char *end, char **name, int *length *length = simple_strtoul(tmp, &tmp, 10); if (*length == -1) { printk(KERN_ERR "property parse failed in %s at line %d\n", - __FUNCTION__, __LINE__); + __func__, __LINE__); return NULL; } if (*tmp != ' ' || ++tmp >= end) { printk(KERN_ERR "property parse failed in %s at line %d\n", - __FUNCTION__, __LINE__); + __func__, __LINE__); return NULL; } @@ -252,12 +252,12 @@ static char * parse_next_property(char *buf, char *end, char **name, int *length tmp += *length; if (tmp > end) { printk(KERN_ERR "property parse failed in %s at line %d\n", - __FUNCTION__, __LINE__); + __func__, __LINE__); return NULL; } else if (tmp < end && *tmp != ' ' && *tmp != '\0') { printk(KERN_ERR "property parse failed in %s at line %d\n", - __FUNCTION__, __LINE__); + __func__, __LINE__); return NULL; } tmp++; diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c index 8e1ef168e2d..e5b0ea87016 100644 --- a/arch/powerpc/platforms/pseries/scanlog.c +++ b/arch/powerpc/platforms/pseries/scanlog.c @@ -195,31 +195,30 @@ const struct file_operations scanlog_fops = { static int __init scanlog_init(void) { struct proc_dir_entry *ent; + void *data; + int err = -ENOMEM; ibm_scan_log_dump = rtas_token("ibm,scan-log-dump"); - if (ibm_scan_log_dump == RTAS_UNKNOWN_SERVICE) { - printk(KERN_ERR "scan-log-dump not implemented on this system\n"); - return -EIO; - } + if (ibm_scan_log_dump == RTAS_UNKNOWN_SERVICE) + return -ENODEV; - ent = create_proc_entry("ppc64/rtas/scan-log-dump", S_IRUSR, NULL); - if (ent) { - ent->proc_fops = &scanlog_fops; - /* Ideally we could allocate a buffer < 4G */ - ent->data = kmalloc(RTAS_DATA_BUF_SIZE, GFP_KERNEL); - if (!ent->data) { - printk(KERN_ERR "Failed to allocate a buffer\n"); - remove_proc_entry("scan-log-dump", ent->parent); - return -ENOMEM; - } - ((unsigned int *)ent->data)[0] = 0; - } else { - printk(KERN_ERR "Failed to create ppc64/scan-log-dump proc entry\n"); - return -EIO; - } + /* Ideally we could allocate a buffer < 4G */ + data = kzalloc(RTAS_DATA_BUF_SIZE, GFP_KERNEL); + if (!data) + goto err; + + ent = proc_create("ppc64/rtas/scan-log-dump", S_IRUSR, NULL, + &scanlog_fops); + if (!ent) + goto err; + + ent->data = data; proc_ppc64_scan_log_dump = ent; return 0; +err: + kfree(data); + return err; } static void __exit scanlog_cleanup(void) diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index fdb9b1c8f97..90555a39fe6 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -393,6 +393,7 @@ static void pseries_dedicated_idle_sleep(void) { unsigned int cpu = smp_processor_id(); unsigned long start_snooze; + unsigned long in_purr, out_purr; /* * Indicate to the HV that we are idle. Now would be @@ -400,6 +401,7 @@ static void pseries_dedicated_idle_sleep(void) */ get_lppaca()->idle = 1; get_lppaca()->donate_dedicated_cpu = 1; + in_purr = mfspr(SPRN_PURR); /* * We come in with interrupts disabled, and need_resched() @@ -432,6 +434,8 @@ static void pseries_dedicated_idle_sleep(void) out: HMT_medium(); + out_purr = mfspr(SPRN_PURR); + get_lppaca()->wait_state_cycles += out_purr - in_purr; get_lppaca()->donate_dedicated_cpu = 0; get_lppaca()->idle = 0; } |