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[PATCH] powerpc: Move pSeries firmware feature setup into platforms/p…
…series Currently we have some stuff in firmware.h and kernel/firmware.c that is #ifdef CONFIG_PPC_PSERIES. Move it all into platforms/pseries. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
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Michael Ellerman
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Paul Mackerras
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Feb 10, 2006
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| /* | ||
| * pSeries firmware setup code. | ||
| * | ||
| * Portions from arch/powerpc/platforms/pseries/setup.c: | ||
| * Copyright (C) 1995 Linus Torvalds | ||
| * Adapted from 'alpha' version by Gary Thomas | ||
| * Modified by Cort Dougan (cort@cs.nmt.edu) | ||
| * Modified by PPC64 Team, IBM Corp | ||
| * | ||
| * Portions from arch/powerpc/kernel/firmware.c | ||
| * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) | ||
| * Modifications for ppc64: | ||
| * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> | ||
| * Copyright (C) 2005 Stephen Rothwell, IBM Corporation | ||
| * | ||
| * Copyright 2006 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. | ||
| */ | ||
|
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| #undef DEBUG | ||
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| #include <asm/firmware.h> | ||
| #include <asm/prom.h> | ||
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| #ifdef DEBUG | ||
| #define DBG(fmt...) udbg_printf(fmt) | ||
| #else | ||
| #define DBG(fmt...) | ||
| #endif | ||
|
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| typedef struct { | ||
| unsigned long val; | ||
| char * name; | ||
| } firmware_feature_t; | ||
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| static __initdata firmware_feature_t | ||
| firmware_features_table[FIRMWARE_MAX_FEATURES] = { | ||
| {FW_FEATURE_PFT, "hcall-pft"}, | ||
| {FW_FEATURE_TCE, "hcall-tce"}, | ||
| {FW_FEATURE_SPRG0, "hcall-sprg0"}, | ||
| {FW_FEATURE_DABR, "hcall-dabr"}, | ||
| {FW_FEATURE_COPY, "hcall-copy"}, | ||
| {FW_FEATURE_ASR, "hcall-asr"}, | ||
| {FW_FEATURE_DEBUG, "hcall-debug"}, | ||
| {FW_FEATURE_PERF, "hcall-perf"}, | ||
| {FW_FEATURE_DUMP, "hcall-dump"}, | ||
| {FW_FEATURE_INTERRUPT, "hcall-interrupt"}, | ||
| {FW_FEATURE_MIGRATE, "hcall-migrate"}, | ||
| {FW_FEATURE_PERFMON, "hcall-perfmon"}, | ||
| {FW_FEATURE_CRQ, "hcall-crq"}, | ||
| {FW_FEATURE_VIO, "hcall-vio"}, | ||
| {FW_FEATURE_RDMA, "hcall-rdma"}, | ||
| {FW_FEATURE_LLAN, "hcall-lLAN"}, | ||
| {FW_FEATURE_BULK, "hcall-bulk"}, | ||
| {FW_FEATURE_XDABR, "hcall-xdabr"}, | ||
| {FW_FEATURE_MULTITCE, "hcall-multi-tce"}, | ||
| {FW_FEATURE_SPLPAR, "hcall-splpar"}, | ||
| }; | ||
|
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| /* Build up the firmware features bitmask using the contents of | ||
| * device-tree/ibm,hypertas-functions. Ultimately this functionality may | ||
| * be moved into prom.c prom_init(). | ||
| */ | ||
| void __init fw_feature_init(void) | ||
| { | ||
| struct device_node *dn; | ||
| char *hypertas, *s; | ||
| int len, i; | ||
|
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| DBG(" -> fw_feature_init()\n"); | ||
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| dn = of_find_node_by_path("/rtas"); | ||
| if (dn == NULL) { | ||
| printk(KERN_ERR "WARNING! Cannot find RTAS in device-tree!\n"); | ||
| goto out; | ||
| } | ||
|
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| hypertas = get_property(dn, "ibm,hypertas-functions", &len); | ||
| if (hypertas == NULL) | ||
| goto out; | ||
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| for (s = hypertas; s < hypertas + len; s += strlen(s) + 1) { | ||
| for (i = 0; i < FIRMWARE_MAX_FEATURES; i++) { | ||
| /* check value against table of strings */ | ||
| if (!firmware_features_table[i].name || | ||
| strcmp(firmware_features_table[i].name, s)) | ||
| continue; | ||
|
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| /* we have a match */ | ||
| ppc64_firmware_features |= | ||
| firmware_features_table[i].val; | ||
| break; | ||
| } | ||
| } | ||
|
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||
| out: | ||
| of_node_put(dn); | ||
| DBG(" <- fw_feature_init()\n"); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| /* | ||
| * Copyright 2006 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. | ||
| */ | ||
|
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| #ifndef _PSERIES_FIRMWARE_H | ||
| #define _PSERIES_FIRMWARE_H | ||
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| #include <asm/firmware.h> | ||
|
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| extern void __init fw_feature_init(void); | ||
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| #endif /* _PSERIES_FIRMWARE_H */ |
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