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[PATCH] powerpc: Move pSeries firmware feature setup into platforms/pseries 

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>
This commit is contained in:
Michael Ellerman 2006-02-10 15:47:36 +11:00 committed by Paul Mackerras
parent 0941d57aa7
commit 1965746bce
6 changed files with 123 additions and 79 deletions
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25
arch/powerpc/kernel/firmware.c
View File

@ -18,28 +18,3 @@
#include <asm/firmware.h>
unsigned long ppc64_firmware_features;
#ifdef CONFIG_PPC_PSERIES
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"},
};
#endif

3
arch/powerpc/platforms/pseries/Makefile
View File

@ -1,5 +1,6 @@
obj-y := pci.o lpar.o hvCall.o nvram.o reconfig.o \
setup.o iommu.o ras.o rtasd.o pci_dlpar.o
setup.o iommu.o ras.o rtasd.o pci_dlpar.o \
firmware.o
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_IBMVIO) += vio.o
obj-$(CONFIG_XICS) += xics.o

103
arch/powerpc/platforms/pseries/firmware.c Normal file
View File

@ -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.
*/
#undef DEBUG
#include <asm/firmware.h>
#include <asm/prom.h>
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
#else
#define DBG(fmt...)
#endif
typedef struct {
unsigned long val;
char * name;
} firmware_feature_t;
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"},
};
/* 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;
DBG(" -> fw_feature_init()\n");
dn = of_find_node_by_path("/rtas");
if (dn == NULL) {
printk(KERN_ERR "WARNING! Cannot find RTAS in device-tree!\n");
goto out;
}
hypertas = get_property(dn, "ibm,hypertas-functions", &len);
if (hypertas == NULL)
goto out;
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;
/* we have a match */
ppc64_firmware_features |=
firmware_features_table[i].val;
break;
}
}
out:
of_node_put(dn);
DBG(" <- fw_feature_init()\n");
}

17
arch/powerpc/platforms/pseries/firmware.h Normal file
View File

@ -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.
*/
#ifndef _PSERIES_FIRMWARE_H
#define _PSERIES_FIRMWARE_H
#include <asm/firmware.h>
extern void __init fw_feature_init(void);
#endif /* _PSERIES_FIRMWARE_H */

45
arch/powerpc/platforms/pseries/setup.c
View File

@ -60,7 +60,6 @@
#include <asm/time.h>
#include <asm/nvram.h>
#include "xics.h"
#include <asm/firmware.h>
#include <asm/pmc.h>
#include <asm/mpic.h>
#include <asm/ppc-pci.h>
@ -70,6 +69,7 @@
#include "plpar_wrappers.h"
#include "ras.h"
#include "firmware.h"
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
@ -262,49 +262,6 @@ static int __init pSeries_init_panel(void)
}
arch_initcall(pSeries_init_panel);
/* 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().
*/
static void __init fw_feature_init(void)
{
struct device_node *dn;
char *hypertas, *s;
int len, i;
DBG(" -> fw_feature_init()\n");
dn = of_find_node_by_path("/rtas");
if (dn == NULL) {
printk(KERN_ERR "WARNING! Cannot find RTAS in device-tree!\n");
goto out;
}
hypertas = get_property(dn, "ibm,hypertas-functions", &len);
if (hypertas == NULL)
goto out;
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;
/* we have a match */
ppc64_firmware_features |=
firmware_features_table[i].val;
break;
}
}
out:
of_node_put(dn);
DBG(" <- fw_feature_init()\n");
}
static void __init pSeries_discover_pic(void)
{
struct device_node *np;

9
include/asm-powerpc/firmware.h
View File

@ -89,15 +89,6 @@ static inline unsigned long firmware_has_feature(unsigned long feature)
(FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature);
}
#ifdef CONFIG_PPC_PSERIES
typedef struct {
unsigned long val;
char * name;
} firmware_feature_t;
extern firmware_feature_t firmware_features_table[];
#endif
extern void system_reset_fwnmi(void);
extern void machine_check_fwnmi(void);