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[POWERPC] PS3: Add logical performance monitor device support

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Add PS3 logical performance monitor device support to the
PS3 system-bus and platform device registration routines.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Geoff Levand 2008-01-19 07:32:38 +11:00 committed by Paul Mackerras
parent c2b16e1c10
commit ed7570022a
3 changed files with 98 additions and 0 deletions
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85
arch/powerpc/platforms/ps3/device-init.c
View file

@ -31,6 +31,89 @@
#include "platform.h"
static int __init ps3_register_lpm_devices(void)
{
int result;
u64 tmp1;
u64 tmp2;
struct ps3_system_bus_device *dev;
pr_debug(" -> %s:%d\n", __func__, __LINE__);
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
dev->match_id = PS3_MATCH_ID_LPM;
dev->dev_type = PS3_DEVICE_TYPE_LPM;
/* The current lpm driver only supports a single BE processor. */
result = ps3_repository_read_be_node_id(0, &dev->lpm.node_id);
if (result) {
pr_debug("%s:%d: ps3_repository_read_be_node_id failed \n",
__func__, __LINE__);
goto fail_read_repo;
}
result = ps3_repository_read_lpm_privileges(dev->lpm.node_id, &tmp1,
&dev->lpm.rights);
if (result) {
pr_debug("%s:%d: ps3_repository_read_lpm_privleges failed \n",
__func__, __LINE__);
goto fail_read_repo;
}
lv1_get_logical_partition_id(&tmp2);
if (tmp1 != tmp2) {
pr_debug("%s:%d: wrong lpar\n",
__func__, __LINE__);
result = -ENODEV;
goto fail_rights;
}
if (!(dev->lpm.rights & PS3_LPM_RIGHTS_USE_LPM)) {
pr_debug("%s:%d: don't have rights to use lpm\n",
__func__, __LINE__);
result = -EPERM;
goto fail_rights;
}
pr_debug("%s:%d: pu_id %lu, rights %lu(%lxh)\n",
__func__, __LINE__, dev->lpm.pu_id, dev->lpm.rights,
dev->lpm.rights);
result = ps3_repository_read_pu_id(0, &dev->lpm.pu_id);
if (result) {
pr_debug("%s:%d: ps3_repository_read_pu_id failed \n",
__func__, __LINE__);
goto fail_read_repo;
}
result = ps3_system_bus_device_register(dev);
if (result) {
pr_debug("%s:%d ps3_system_bus_device_register failed\n",
__func__, __LINE__);
goto fail_register;
}
pr_debug(" <- %s:%d\n", __func__, __LINE__);
return 0;
fail_register:
fail_rights:
fail_read_repo:
kfree(dev);
pr_debug(" <- %s:%d: failed\n", __func__, __LINE__);
return result;
}
/**
* ps3_setup_gelic_device - Setup and register a gelic device instance.
*
@ -827,6 +910,8 @@ static int __init ps3_register_devices(void)
ps3_register_sound_devices();
ps3_register_lpm_devices();
pr_debug(" <- %s:%d\n", __func__, __LINE__);
return 0;
}

5
arch/powerpc/platforms/ps3/system-bus.c
View file

@ -715,6 +715,7 @@ int ps3_system_bus_device_register(struct ps3_system_bus_device *dev)
static unsigned int dev_ioc0_count;
static unsigned int dev_sb_count;
static unsigned int dev_vuart_count;
static unsigned int dev_lpm_count;
if (!dev->core.parent)
dev->core.parent = &ps3_system_bus;
@ -737,6 +738,10 @@ int ps3_system_bus_device_register(struct ps3_system_bus_device *dev)
snprintf(dev->core.bus_id, sizeof(dev->core.bus_id),
"vuart_%02x", ++dev_vuart_count);
break;
case PS3_DEVICE_TYPE_LPM:
snprintf(dev->core.bus_id, sizeof(dev->core.bus_id),
"lpm_%02x", ++dev_lpm_count);
break;
default:
BUG();
};

8
include/asm-powerpc/ps3.h
View file

@ -317,6 +317,7 @@ enum ps3_match_id {
PS3_MATCH_ID_STOR_FLASH = 8,
PS3_MATCH_ID_SOUND = 9,
PS3_MATCH_ID_GRAPHICS = 10,
PS3_MATCH_ID_LPM = 11,
};
#define PS3_MODULE_ALIAS_EHCI "ps3:1"
@ -329,11 +330,13 @@ enum ps3_match_id {
#define PS3_MODULE_ALIAS_STOR_FLASH "ps3:8"
#define PS3_MODULE_ALIAS_SOUND "ps3:9"
#define PS3_MODULE_ALIAS_GRAPHICS "ps3:10"
#define PS3_MODULE_ALIAS_LPM "ps3:11"
enum ps3_system_bus_device_type {
PS3_DEVICE_TYPE_IOC0 = 1,
PS3_DEVICE_TYPE_SB,
PS3_DEVICE_TYPE_VUART,
PS3_DEVICE_TYPE_LPM,
};
/**
@ -350,6 +353,11 @@ struct ps3_system_bus_device {
struct ps3_dma_region *d_region; /* SB, IOC0 */
struct ps3_mmio_region *m_region; /* SB, IOC0*/
unsigned int port_number; /* VUART */
struct { /* LPM */
u64 node_id;
u64 pu_id;
u64 rights;
} lpm;
/* struct iommu_table *iommu_table; -- waiting for BenH's cleanups */
struct device core;