diff options
| -rw-r--r-- | arch/powerpc/boot/dts/mpc8641_hpcn.dts | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/misc.c | 55 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx.h | 17 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_ads.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_cds.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_ds.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_mds.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/mpc8610_hpcd.c | 19 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/mpc8641_hpcn.h | 21 | ||||
| -rw-r--r-- | arch/powerpc/platforms/86xx/mpc86xx_hpcn.c | 20 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/fsl_soc.c | 38 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/fsl_soc.h | 1 |
13 files changed, 53 insertions, 142 deletions
diff --git a/arch/powerpc/boot/dts/mpc8641_hpcn.dts b/arch/powerpc/boot/dts/mpc8641_hpcn.dts index f797662212ba..367765937a06 100644 --- a/arch/powerpc/boot/dts/mpc8641_hpcn.dts +++ b/arch/powerpc/boot/dts/mpc8641_hpcn.dts @@ -214,6 +214,12 @@ device_type = "open-pic"; big-endian; }; + + global-utilities@e0000 { + compatible = "fsl,mpc8641-guts"; + reg = <e0000 1000>; + fsl,has-rstcr; + }; }; pcie@f8008000 { diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile index 25bd9e2d4946..5eca92023ec8 100644 --- a/arch/powerpc/platforms/85xx/Makefile +++ b/arch/powerpc/platforms/85xx/Makefile @@ -1,7 +1,6 @@ # # Makefile for the PowerPC 85xx linux kernel. # -obj-$(CONFIG_PPC_85xx) += misc.o obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o diff --git a/arch/powerpc/platforms/85xx/misc.c b/arch/powerpc/platforms/85xx/misc.c deleted file mode 100644 index 4fe376e9c3b6..000000000000 --- a/arch/powerpc/platforms/85xx/misc.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * MPC85xx generic code. - * - * Maintained by Kumar Gala (see MAINTAINERS for contact information) - * - * Copyright 2005 Freescale Semiconductor Inc. - * - * 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/irq.h> -#include <linux/module.h> -#include <asm/irq.h> -#include <asm/io.h> -#include <asm/prom.h> -#include <sysdev/fsl_soc.h> - -static __be32 __iomem *rstcr; - -extern void abort(void); - -static int __init mpc85xx_rstcr(void) -{ - struct device_node *np; - np = of_find_node_by_name(NULL, "global-utilities"); - if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) { - const u32 *prop = of_get_property(np, "reg", NULL); - if (prop) { - /* map reset control register - * 0xE00B0 is offset of reset control register - */ - rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff); - if (!rstcr) - printk (KERN_EMERG "Error: reset control " - "register not mapped!\n"); - } - } else - printk (KERN_INFO "rstcr compatible register does not exist!\n"); - if (np) - of_node_put(np); - return 0; -} - -arch_initcall(mpc85xx_rstcr); - -void mpc85xx_restart(char *cmd) -{ - local_irq_disable(); - if (rstcr) - /* set reset control register */ - out_be32(rstcr, 0x2); /* HRESET_REQ */ - abort(); -} diff --git a/arch/powerpc/platforms/85xx/mpc85xx.h b/arch/powerpc/platforms/85xx/mpc85xx.h deleted file mode 100644 index 5b34deef12b5..000000000000 --- a/arch/powerpc/platforms/85xx/mpc85xx.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * arch/powerpc/platforms/85xx/mpc85xx.h - * - * MPC85xx soc definitions/function decls - * - * Maintainer: Kumar Gala <kumar.gala@freescale.com> - * - * Copyright 2005 Freescale Semiconductor Inc. - * - * 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. - * - */ - -extern void mpc85xx_restart(char *); diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c index acb1ef932240..378a244b3bac 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c @@ -30,7 +30,6 @@ #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> -#include "mpc85xx.h" #ifdef CONFIG_CPM2 #include <linux/fs_enet_pd.h> @@ -249,7 +248,7 @@ define_machine(mpc85xx_ads) { .init_IRQ = mpc85xx_ads_pic_init, .show_cpuinfo = mpc85xx_ads_show_cpuinfo, .get_irq = mpic_get_irq, - .restart = mpc85xx_restart, + .restart = fsl_rstcr_restart, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, }; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index abc85b8d9f8a..afe5868cd975 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -46,7 +46,6 @@ #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> -#include "mpc85xx.h" static int cds_pci_slot = 2; static volatile u8 *cadmus; @@ -96,7 +95,7 @@ static void mpc85xx_cds_restart(char *cmd) * If we can't find the VIA chip (maybe the P2P bridge is disabled) * or the VIA chip reset didn't work, just use the default reset. */ - mpc85xx_restart(NULL); + fsl_rstcr_restart(NULL); } static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev) @@ -343,7 +342,7 @@ define_machine(mpc85xx_cds) { .restart = mpc85xx_cds_restart, .pcibios_fixup_bus = fsl_pcibios_fixup_bus, #else - .restart = mpc85xx_restart, + .restart = fsl_rstcr_restart, #endif .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index d60bb2beeb55..772e8de9310e 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -33,7 +33,6 @@ #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> -#include "mpc85xx.h" #undef DEBUG @@ -211,7 +210,7 @@ define_machine(mpc8544_ds) { .pcibios_fixup_bus = fsl_pcibios_fixup_bus, #endif .get_irq = mpic_get_irq, - .restart = mpc85xx_restart, + .restart = fsl_rstcr_restart, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, }; @@ -225,7 +224,7 @@ define_machine(mpc8572_ds) { .pcibios_fixup_bus = fsl_pcibios_fixup_bus, #endif .get_irq = mpic_get_irq, - .restart = mpc85xx_restart, + .restart = fsl_rstcr_restart, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, }; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index f8b6b08af848..00f4c3aef78b 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -50,8 +50,6 @@ #include <asm/qe_ic.h> #include <asm/mpic.h> -#include "mpc85xx.h" - #undef DEBUG #ifdef DEBUG #define DBG(fmt...) udbg_printf(fmt) @@ -200,7 +198,7 @@ define_machine(mpc85xx_mds) { .setup_arch = mpc85xx_mds_setup_arch, .init_IRQ = mpc85xx_mds_pic_init, .get_irq = mpic_get_irq, - .restart = mpc85xx_restart, + .restart = fsl_rstcr_restart, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, #ifdef CONFIG_PCI diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index c794d88fa55f..6390895e5e92 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -37,8 +37,6 @@ #include <sysdev/fsl_pci.h> #include <sysdev/fsl_soc.h> -#define MPC86XX_RSTCR_OFFSET (0xe00b0) /* Reset Control Register */ - void __init mpc86xx_hpcd_init_irq(void) { @@ -187,21 +185,6 @@ static int __init mpc86xx_hpcd_probe(void) return 0; } -void -mpc86xx_restart(char *cmd) -{ - void __iomem *rstcr; - - rstcr = ioremap(get_immrbase() + MPC86XX_RSTCR_OFFSET, 0x100); - - local_irq_disable(); - - /* Assert reset request to Reset Control Register */ - out_be32(rstcr, 0x2); - - /* not reached */ -} - long __init mpc86xx_time_init(void) { @@ -225,7 +208,7 @@ define_machine(mpc86xx_hpcd) { .setup_arch = mpc86xx_hpcd_setup_arch, .init_IRQ = mpc86xx_hpcd_init_irq, .get_irq = mpic_get_irq, - .restart = mpc86xx_restart, + .restart = fsl_rstcr_restart, .time_init = mpc86xx_time_init, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, diff --git a/arch/powerpc/platforms/86xx/mpc8641_hpcn.h b/arch/powerpc/platforms/86xx/mpc8641_hpcn.h deleted file mode 100644 index 41e554c4af94..000000000000 --- a/arch/powerpc/platforms/86xx/mpc8641_hpcn.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * MPC8641 HPCN board definitions - * - * Copyright 2006 Freescale Semiconductor Inc. - * - * 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. - * - * Author: Xianghua Xiao <x.xiao@freescale.com> - */ - -#ifndef __MPC8641_HPCN_H__ -#define __MPC8641_HPCN_H__ - -#include <linux/init.h> - -#define MPC86XX_RSTCR_OFFSET (0xe00b0) /* Reset Control Register */ - -#endif /* __MPC8641_HPCN_H__ */ diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index 6879b83ef95a..32a531aebcb7 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -35,7 +35,6 @@ #include <sysdev/fsl_soc.h> #include "mpc86xx.h" -#include "mpc8641_hpcn.h" #undef DEBUG @@ -196,23 +195,6 @@ static int __init mpc86xx_hpcn_probe(void) return 0; } - -void -mpc86xx_restart(char *cmd) -{ - void __iomem *rstcr; - - rstcr = ioremap(get_immrbase() + MPC86XX_RSTCR_OFFSET, 0x100); - - local_irq_disable(); - - /* Assert reset request to Reset Control Register */ - out_be32(rstcr, 0x2); - - /* not reached */ -} - - long __init mpc86xx_time_init(void) { @@ -237,7 +219,7 @@ define_machine(mpc86xx_hpcn) { .init_IRQ = mpc86xx_hpcn_init_irq, .show_cpuinfo = mpc86xx_hpcn_show_cpuinfo, .get_irq = mpic_get_irq, - .restart = mpc86xx_restart, + .restart = fsl_rstcr_restart, .time_init = mpc86xx_time_init, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index c765d7a5217b..be5e0bda2318 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -1298,3 +1298,41 @@ err: return spi_register_board_info(board_infos, num_board_infos); } + +#if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx) +static __be32 __iomem *rstcr; + +static int __init setup_rstcr(void) +{ + struct device_node *np; + np = of_find_node_by_name(NULL, "global-utilities"); + if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) { + const u32 *prop = of_get_property(np, "reg", NULL); + if (prop) { + /* map reset control register + * 0xE00B0 is offset of reset control register + */ + rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff); + if (!rstcr) + printk (KERN_EMERG "Error: reset control " + "register not mapped!\n"); + } + } else + printk (KERN_INFO "rstcr compatible register does not exist!\n"); + if (np) + of_node_put(np); + return 0; +} + +arch_initcall(setup_rstcr); + +void fsl_rstcr_restart(char *cmd) +{ + local_irq_disable(); + if (rstcr) + /* set reset control register */ + out_be32(rstcr, 0x2); /* HRESET_REQ */ + + while (1) ; +} +#endif diff --git a/arch/powerpc/sysdev/fsl_soc.h b/arch/powerpc/sysdev/fsl_soc.h index 618d91d1e103..63e7db30a4cd 100644 --- a/arch/powerpc/sysdev/fsl_soc.h +++ b/arch/powerpc/sysdev/fsl_soc.h @@ -15,5 +15,6 @@ extern int fsl_spi_init(struct spi_board_info *board_infos, void (*activate_cs)(u8 cs, u8 polarity), void (*deactivate_cs)(u8 cs, u8 polarity)); +extern void fsl_rstcr_restart(char *cmd); #endif #endif |