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yaml
---
r: 22920
b: refs/heads/master
c: 1965746
h: refs/heads/master
v: v3
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Michael Ellerman authored and Paul Mackerras committed Feb 10, 2006
1 parent 9260a7f commit 21c9359
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Showing 7 changed files with 124 additions and 80 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0941d57aa7034ef7010bd523752c2e3bee569ef1
refs/heads/master: 1965746bce49ddf001af52c7985e16343c768021
25 changes: 0 additions & 25 deletions trunk/arch/powerpc/kernel/firmware.c
Original file line number Diff line number Diff line change
Expand Up @@ -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 changes: 2 additions & 1 deletion trunk/arch/powerpc/platforms/pseries/Makefile
Original file line number Diff line number Diff line change
@@ -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
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103 changes: 103 additions & 0 deletions trunk/arch/powerpc/platforms/pseries/firmware.c
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.
*/

#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 changes: 17 additions & 0 deletions trunk/arch/powerpc/platforms/pseries/firmware.h
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.
*/

#ifndef _PSERIES_FIRMWARE_H
#define _PSERIES_FIRMWARE_H

#include <asm/firmware.h>

extern void __init fw_feature_init(void);

#endif /* _PSERIES_FIRMWARE_H */
45 changes: 1 addition & 44 deletions trunk/arch/powerpc/platforms/pseries/setup.c
Original file line number Diff line number Diff line change
Expand Up @@ -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>
Expand All @@ -70,6 +69,7 @@

#include "plpar_wrappers.h"
#include "ras.h"
#include "firmware.h"

#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
Expand Down Expand Up @@ -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;
Expand Down
9 changes: 0 additions & 9 deletions trunk/include/asm-powerpc/firmware.h
Original file line number Diff line number Diff line change
Expand Up @@ -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);

Expand Down

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