diff options
author | Stefan Roese <sr@denx.de> | 2008-03-28 01:43:31 +1100 |
---|---|---|
committer | Josh Boyer <jwboyer@linux.vnet.ibm.com> | 2008-04-02 20:44:56 -0500 |
commit | 93173ce272e54f81460986ff5040d16ab79488a9 (patch) | |
tree | 7bb4e15ac4cf3853f81e358fb1b21aa2fef6b4ce | |
parent | d2477b5cc8ca95b8c15133ffbbebf0bd9783f560 (diff) | |
download | op-kernel-dev-93173ce272e54f81460986ff5040d16ab79488a9.zip op-kernel-dev-93173ce272e54f81460986ff5040d16ab79488a9.tar.gz |
[POWERPC] 4xx: Create common ppc4xx_reset_system() in ppc4xx_soc.c
This patch creates a common system reset routine for all 40x and 44x
systems. Previously only a 44x routine existed. But since this system
reset via the debug control register is common for 40x and 44x let's
share this code for all those platforms in ppc4xx_soc.c.
This patch also enables CONFIG_4xx_SOC for all 40x and 44x platforms.
Tested on Kilauea (405EX) and Canyonlands (440EX).
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
-rw-r--r-- | arch/powerpc/platforms/40x/ep405.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/40x/kilauea.c | 4 | ||||
-rw-r--r-- | arch/powerpc/platforms/40x/makalu.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/40x/virtex.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/40x/walnut.c | 4 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/44x.h | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/Kconfig | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/bamboo.c | 15 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/canyonlands.c | 5 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/ebony.c | 5 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/katmai.c | 5 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/misc_44x.S | 11 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/rainier.c | 4 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/sequoia.c | 4 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/taishan.c | 5 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/warp.c | 6 | ||||
-rw-r--r-- | arch/powerpc/platforms/Kconfig.cputype | 2 | ||||
-rw-r--r-- | arch/powerpc/sysdev/ppc4xx_soc.c | 11 | ||||
-rw-r--r-- | include/asm-powerpc/ppc4xx.h | 18 |
19 files changed, 64 insertions, 43 deletions
diff --git a/arch/powerpc/platforms/40x/ep405.c b/arch/powerpc/platforms/40x/ep405.c index 13d1345..ae2e7f6 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 f9206a7f..1dd24ff 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 4e4df72..a6a1d60 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 0422590..fc7fb00 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 b8b257e..335df91 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 42eabf8..dbc4d2b 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 5fc28aa..6abe913 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -129,7 +129,6 @@ config 440GP config 440GX bool - select 4xx_SOC select IBM_NEW_EMAC_EMAC4 select IBM_NEW_EMAC_RGMII select IBM_NEW_EMAC_ZMII #test only diff --git a/arch/powerpc/platforms/44x/bamboo.c b/arch/powerpc/platforms/44x/bamboo.c index fb9a22a..cef169e 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 index dac5b32..3949289 100644 --- a/arch/powerpc/platforms/44x/canyonlands.c +++ b/arch/powerpc/platforms/44x/canyonlands.c @@ -23,8 +23,7 @@ #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 canyonlands_of_bus[] = { { .compatible = "ibm,plb4", }, @@ -59,6 +58,6 @@ define_machine(canyonlands) { .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/ebony.c b/arch/powerpc/platforms/44x/ebony.c index 1a8d467..a0e8fe4 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 1113412..44f4b3a 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 3bce71d..dc12b80 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 a7fae1c..4f1ff84 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 d279db4..49eb73d 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 28ab7e2..49c78b2 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.c b/arch/powerpc/platforms/44x/warp.c index da5b7b7..39cf615 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/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 0c3face..5fc7fac 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/sysdev/ppc4xx_soc.c b/arch/powerpc/sysdev/ppc4xx_soc.c index 4b8617e..5b32adc 100644 --- a/arch/powerpc/sysdev/ppc4xx_soc.c +++ b/arch/powerpc/sysdev/ppc4xx_soc.c @@ -23,6 +23,7 @@ #include <asm/dcr.h> #include <asm/dcr-regs.h> +#include <asm/reg.h> static u32 dcrbase_l2c; @@ -187,3 +188,13 @@ static int __init ppc4xx_l2c_probe(void) return 0; } arch_initcall(ppc4xx_l2c_probe); + +/* + * At present, this routine just applies a system reset. + */ +void ppc4xx_reset_system(char *cmd) +{ + mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_RST_SYSTEM); + while (1) + ; /* Just in case the reset doesn't work */ +} diff --git a/include/asm-powerpc/ppc4xx.h b/include/asm-powerpc/ppc4xx.h new file mode 100644 index 0000000..033039a --- /dev/null +++ b/include/asm-powerpc/ppc4xx.h @@ -0,0 +1,18 @@ +/* + * PPC4xx Prototypes and definitions + * + * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de> + * + * This 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. + * + */ + +#ifndef __ASM_POWERPC_PPC4xx_H__ +#define __ASM_POWERPC_PPC4xx_H__ + +extern void ppc4xx_reset_system(char *cmd); + +#endif /* __ASM_POWERPC_PPC4xx_H__ */ |