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Diffstat (limited to 'arch/powerpc/platforms/powermac/feature.c')
-rw-r--r--arch/powerpc/platforms/powermac/feature.c190
1 files changed, 116 insertions, 74 deletions
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index e49621be664..63d82bbc05e 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -21,10 +21,13 @@
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/sched.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/spinlock.h>
#include <linux/adb.h>
#include <linux/pmu.h>
#include <linux/ioport.h>
+#include <linux/export.h>
#include <linux/pci.h>
#include <asm/sections.h>
#include <asm/errno.h>
@@ -59,10 +62,10 @@ extern struct device_node *k2_skiplist[2];
* We use a single global lock to protect accesses. Each driver has
* to take care of its own locking
*/
-DEFINE_SPINLOCK(feature_lock);
+DEFINE_RAW_SPINLOCK(feature_lock);
-#define LOCK(flags) spin_lock_irqsave(&feature_lock, flags);
-#define UNLOCK(flags) spin_unlock_irqrestore(&feature_lock, flags);
+#define LOCK(flags) raw_spin_lock_irqsave(&feature_lock, flags);
+#define UNLOCK(flags) raw_spin_unlock_irqrestore(&feature_lock, flags);
/*
@@ -486,10 +489,6 @@ static long heathrow_sound_enable(struct device_node *node, long param,
static u32 save_fcr[6];
static u32 save_mbcr;
-static u32 save_gpio_levels[2];
-static u8 save_gpio_extint[KEYLARGO_GPIO_EXTINT_CNT];
-static u8 save_gpio_normal[KEYLARGO_GPIO_CNT];
-static u32 save_unin_clock_ctl;
static struct dbdma_regs save_dbdma[13];
static struct dbdma_regs save_alt_dbdma[13];
@@ -814,6 +813,7 @@ core99_ata100_enable(struct device_node *node, long value)
unsigned long flags;
struct pci_dev *pdev = NULL;
u8 pbus, pid;
+ int rc;
if (uninorth_rev < 0x24)
return -ENODEV;
@@ -829,11 +829,15 @@ core99_ata100_enable(struct device_node *node, long value)
if (value) {
if (pci_device_from_OF_node(node, &pbus, &pid) == 0)
- pdev = pci_find_slot(pbus, pid);
+ pdev = pci_get_bus_and_slot(pbus, pid);
if (pdev == NULL)
return 0;
- pci_enable_device(pdev);
- pci_set_master(pdev);
+ rc = pci_enable_device(pdev);
+ if (rc == 0)
+ pci_set_master(pdev);
+ pci_dev_put(pdev);
+ if (rc)
+ return rc;
}
return 0;
}
@@ -1045,6 +1049,7 @@ core99_reset_cpu(struct device_node *node, long param, long value)
unsigned long flags;
struct macio_chip *macio;
struct device_node *np;
+ struct device_node *cpus;
const int dflt_reset_lines[] = { KL_GPIO_RESET_CPU0,
KL_GPIO_RESET_CPU1,
KL_GPIO_RESET_CPU2,
@@ -1054,12 +1059,12 @@ core99_reset_cpu(struct device_node *node, long param, long value)
if (macio->type != macio_keylargo)
return -ENODEV;
- np = find_path_device("/cpus");
- if (np == NULL)
+ cpus = of_find_node_by_path("/cpus");
+ if (cpus == NULL)
return -ENODEV;
- for (np = np->child; np != NULL; np = np->sibling) {
- const u32 *num = get_property(np, "reg", NULL);
- const u32 *rst = get_property(np, "soft-reset", NULL);
+ for (np = cpus->child; np != NULL; np = np->sibling) {
+ const u32 *num = of_get_property(np, "reg", NULL);
+ const u32 *rst = of_get_property(np, "soft-reset", NULL);
if (num == NULL || rst == NULL)
continue;
if (param == *num) {
@@ -1067,6 +1072,7 @@ core99_reset_cpu(struct device_node *node, long param, long value)
break;
}
}
+ of_node_put(cpus);
if (np == NULL || reset_io == 0)
reset_io = dflt_reset_lines[param];
@@ -1096,7 +1102,7 @@ core99_usb_enable(struct device_node *node, long param, long value)
macio->type != macio_intrepid)
return -ENODEV;
- prop = get_property(node, "AAPL,clock-id", NULL);
+ prop = of_get_property(node, "AAPL,clock-id", NULL);
if (!prop)
return -ENODEV;
if (strncmp(prop, "usb0u048", 8) == 0)
@@ -1417,7 +1423,7 @@ static long g5_eth_phy_reset(struct device_node *node, long param, long value)
phy = of_get_next_child(node, NULL);
if (!phy)
return -ENODEV;
- need_reset = device_is_compatible(phy, "B5221");
+ need_reset = of_device_is_compatible(phy, "B5221");
of_node_put(phy);
if (!need_reset)
return 0;
@@ -1498,17 +1504,18 @@ static long g5_reset_cpu(struct device_node *node, long param, long value)
unsigned long flags;
struct macio_chip *macio;
struct device_node *np;
+ struct device_node *cpus;
macio = &macio_chips[0];
if (macio->type != macio_keylargo2 && macio->type != macio_shasta)
return -ENODEV;
- np = find_path_device("/cpus");
- if (np == NULL)
+ cpus = of_find_node_by_path("/cpus");
+ if (cpus == NULL)
return -ENODEV;
- for (np = np->child; np != NULL; np = np->sibling) {
- const u32 *num = get_property(np, "reg", NULL);
- const u32 *rst = get_property(np, "soft-reset", NULL);
+ for (np = cpus->child; np != NULL; np = np->sibling) {
+ const u32 *num = of_get_property(np, "reg", NULL);
+ const u32 *rst = of_get_property(np, "soft-reset", NULL);
if (num == NULL || rst == NULL)
continue;
if (param == *num) {
@@ -1516,6 +1523,7 @@ static long g5_reset_cpu(struct device_node *node, long param, long value)
break;
}
}
+ of_node_put(cpus);
if (np == NULL || reset_io == 0)
return -ENODEV;
@@ -1548,6 +1556,10 @@ void g5_phy_disable_cpu1(void)
#ifdef CONFIG_PM
+static u32 save_gpio_levels[2];
+static u8 save_gpio_extint[KEYLARGO_GPIO_EXTINT_CNT];
+static u8 save_gpio_normal[KEYLARGO_GPIO_CNT];
+static u32 save_unin_clock_ctl;
static void keylargo_shutdown(struct macio_chip *macio, int sleep_mode)
{
@@ -2182,7 +2194,11 @@ static struct pmac_mb_def pmac_mb_defs[] = {
PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
PMAC_MB_MAY_SLEEP,
},
- { "iMac,1", "iMac (first generation)",
+ { "PowerMac10,2", "Mac mini (Late 2005)",
+ PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features,
+ PMAC_MB_MAY_SLEEP,
+ },
+ { "iMac,1", "iMac (first generation)",
PMAC_TYPE_ORIG_IMAC, paddington_features,
0
},
@@ -2401,22 +2417,23 @@ static int __init probe_motherboard(void)
struct macio_chip *macio = &macio_chips[0];
const char *model = NULL;
struct device_node *dt;
+ int ret = 0;
/* Lookup known motherboard type in device-tree. First try an
* exact match on the "model" property, then try a "compatible"
* match is none is found.
*/
- dt = find_devices("device-tree");
+ dt = of_find_node_by_name(NULL, "device-tree");
if (dt != NULL)
- model = get_property(dt, "model", NULL);
- for(i=0; model && i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) {
+ model = of_get_property(dt, "model", NULL);
+ for(i=0; model && i<ARRAY_SIZE(pmac_mb_defs); i++) {
if (strcmp(model, pmac_mb_defs[i].model_string) == 0) {
pmac_mb = pmac_mb_defs[i];
goto found;
}
}
- for(i=0; i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) {
- if (machine_is_compatible(pmac_mb_defs[i].model_string)) {
+ for(i=0; i<ARRAY_SIZE(pmac_mb_defs); i++) {
+ if (of_machine_is_compatible(pmac_mb_defs[i].model_string)) {
pmac_mb = pmac_mb_defs[i];
goto found;
}
@@ -2471,15 +2488,18 @@ static int __init probe_motherboard(void)
break;
#endif /* CONFIG_POWER4 */
default:
- return -ENODEV;
+ ret = -ENODEV;
+ goto done;
}
found:
#ifndef CONFIG_POWER4
/* Fixup Hooper vs. Comet */
if (pmac_mb.model_id == PMAC_TYPE_HOOPER) {
u32 __iomem * mach_id_ptr = ioremap(0xf3000034, 4);
- if (!mach_id_ptr)
- return -ENODEV;
+ if (!mach_id_ptr) {
+ ret = -ENODEV;
+ goto done;
+ }
/* Here, I used to disable the media-bay on comet. It
* appears this is wrong, the floppy connector is actually
* a kind of media-bay and works with the current driver.
@@ -2496,18 +2516,26 @@ found:
* that all Apple OF revs did it properly, I do it the paranoid way.
*/
while (uninorth_base && uninorth_rev > 3) {
- struct device_node *np = find_path_device("/cpus");
- if (!np || !np->child) {
+ struct device_node *cpus = of_find_node_by_path("/cpus");
+ struct device_node *np;
+
+ if (!cpus || !cpus->child) {
printk(KERN_WARNING "Can't find CPU(s) in device tree !\n");
+ of_node_put(cpus);
break;
}
- np = np->child;
+ np = cpus->child;
/* Nap mode not supported on SMP */
- if (np->sibling)
+ if (np->sibling) {
+ of_node_put(cpus);
break;
+ }
/* Nap mode not supported if flush-on-lock property is present */
- if (get_property(np, "flush-on-lock", NULL))
+ if (of_get_property(np, "flush-on-lock", NULL)) {
+ of_node_put(cpus);
break;
+ }
+ of_node_put(cpus);
powersave_nap = 1;
printk(KERN_DEBUG "Processor NAP mode on idle enabled.\n");
break;
@@ -2529,7 +2557,9 @@ found:
printk(KERN_INFO "PowerMac motherboard: %s\n", pmac_mb.model_name);
- return 0;
+done:
+ of_node_put(dt);
+ return ret;
}
/* Initialize the Core99 UniNorth host bridge and memory controller
@@ -2542,6 +2572,8 @@ static void __init probe_uninorth(void)
/* Locate core99 Uni-N */
uninorth_node = of_find_node_by_name(NULL, "uni-n");
+ uninorth_maj = 1;
+
/* Locate G5 u3 */
if (uninorth_node == NULL) {
uninorth_node = of_find_node_by_name(NULL, "u3");
@@ -2552,19 +2584,28 @@ static void __init probe_uninorth(void)
uninorth_node = of_find_node_by_name(NULL, "u4");
uninorth_maj = 4;
}
- if (uninorth_node == NULL)
+ if (uninorth_node == NULL) {
+ uninorth_maj = 0;
return;
+ }
- addrp = get_property(uninorth_node, "reg", NULL);
+ addrp = of_get_property(uninorth_node, "reg", NULL);
if (addrp == NULL)
return;
address = of_translate_address(uninorth_node, addrp);
if (address == 0)
return;
uninorth_base = ioremap(address, 0x40000);
+ if (uninorth_base == NULL)
+ return;
uninorth_rev = in_be32(UN_REG(UNI_N_VERSION));
- if (uninorth_maj == 3 || uninorth_maj == 4)
+ if (uninorth_maj == 3 || uninorth_maj == 4) {
u3_ht_base = ioremap(address + U3_HT_CONFIG_BASE, 0x1000);
+ if (u3_ht_base == NULL) {
+ iounmap(uninorth_base);
+ return;
+ }
+ }
printk(KERN_INFO "Found %s memory controller & host bridge"
" @ 0x%08x revision: 0x%02x\n", uninorth_maj == 3 ? "U3" :
@@ -2603,7 +2644,7 @@ static void __init probe_one_macio(const char *name, const char *compat, int typ
for (node = NULL; (node = of_find_node_by_name(node, name)) != NULL;) {
if (!compat)
break;
- if (device_is_compatible(node, compat))
+ if (of_device_is_compatible(node, compat))
break;
}
if (!node)
@@ -2639,7 +2680,7 @@ static void __init probe_one_macio(const char *name, const char *compat, int typ
return;
}
if (type == macio_keylargo || type == macio_keylargo2) {
- const u32 *did = get_property(node, "device-id", NULL);
+ const u32 *did = of_get_property(node, "device-id", NULL);
if (*did == 0x00000025)
type = macio_pangea;
if (*did == 0x0000003e)
@@ -2650,9 +2691,9 @@ static void __init probe_one_macio(const char *name, const char *compat, int typ
macio_chips[i].of_node = node;
macio_chips[i].type = type;
macio_chips[i].base = base;
- macio_chips[i].flags = MACIO_FLAG_SCCB_ON | MACIO_FLAG_SCCB_ON;
+ macio_chips[i].flags = MACIO_FLAG_SCCA_ON | MACIO_FLAG_SCCB_ON;
macio_chips[i].name = macio_names[type];
- revp = get_property(node, "revision-id", NULL);
+ revp = of_get_property(node, "revision-id", NULL);
if (revp)
macio_chips[i].rev = *revp;
printk(KERN_INFO "Found a %s mac-io controller, rev: %d, mapped at 0x%p\n",
@@ -2703,11 +2744,11 @@ initial_serial_shutdown(struct device_node *np)
int port_type = PMAC_SCC_ASYNC;
int modem = 0;
- slots = get_property(np, "slot-names", &len);
- conn = get_property(np, "AAPL,connector", &len);
+ slots = of_get_property(np, "slot-names", &len);
+ conn = of_get_property(np, "AAPL,connector", &len);
if (conn && (strcmp(conn, "infrared") == 0))
port_type = PMAC_SCC_IRDA;
- else if (device_is_compatible(np, "cobalt"))
+ else if (of_device_is_compatible(np, "cobalt"))
modem = 1;
else if (slots && slots->count > 0) {
if (strcmp(slots->name, "IrDA") == 0)
@@ -2732,12 +2773,14 @@ set_initial_features(void)
* differenciate them all and since that hack was there for a long
* time, I'll keep it around
*/
- if (macio_chips[0].type == macio_ohare && !find_devices("via-pmu")) {
- struct macio_chip *macio = &macio_chips[0];
- MACIO_OUT32(OHARE_FCR, STARMAX_FEATURES);
- } else if (macio_chips[0].type == macio_ohare) {
+ if (macio_chips[0].type == macio_ohare) {
struct macio_chip *macio = &macio_chips[0];
- MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
+ np = of_find_node_by_name(NULL, "via-pmu");
+ if (np)
+ MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
+ else
+ MACIO_OUT32(OHARE_FCR, STARMAX_FEATURES);
+ of_node_put(np);
} else if (macio_chips[1].type == macio_ohare) {
struct macio_chip *macio = &macio_chips[1];
MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE);
@@ -2764,7 +2807,7 @@ set_initial_features(void)
*/
np = of_find_node_by_name(NULL, "ethernet");
while(np) {
- if (device_is_compatible(np, "K2-GMAC"))
+ if (of_device_is_compatible(np, "K2-GMAC"))
g5_gmac_enable(np, 0, 1);
np = of_find_node_by_name(np, "ethernet");
}
@@ -2776,7 +2819,7 @@ set_initial_features(void)
*/
np = of_find_node_by_name(NULL, "firewire");
while(np) {
- if (device_is_compatible(np, "pci106b,5811")) {
+ if (of_device_is_compatible(np, "pci106b,5811")) {
macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED;
g5_fw_enable(np, 0, 1);
}
@@ -2794,8 +2837,8 @@ set_initial_features(void)
np = of_find_node_by_name(NULL, "ethernet");
while(np) {
if (np->parent
- && device_is_compatible(np->parent, "uni-north")
- && device_is_compatible(np, "gmac"))
+ && of_device_is_compatible(np->parent, "uni-north")
+ && of_device_is_compatible(np, "gmac"))
core99_gmac_enable(np, 0, 1);
np = of_find_node_by_name(np, "ethernet");
}
@@ -2808,10 +2851,10 @@ set_initial_features(void)
np = of_find_node_by_name(NULL, "firewire");
while(np) {
if (np->parent
- && device_is_compatible(np->parent, "uni-north")
- && (device_is_compatible(np, "pci106b,18") ||
- device_is_compatible(np, "pci106b,30") ||
- device_is_compatible(np, "pci11c1,5811"))) {
+ && of_device_is_compatible(np->parent, "uni-north")
+ && (of_device_is_compatible(np, "pci106b,18") ||
+ of_device_is_compatible(np, "pci106b,30") ||
+ of_device_is_compatible(np, "pci11c1,5811"))) {
macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED;
core99_firewire_enable(np, 0, 1);
}
@@ -2822,21 +2865,19 @@ set_initial_features(void)
np = of_find_node_by_name(NULL, "ata-6");
while(np) {
if (np->parent
- && device_is_compatible(np->parent, "uni-north")
- && device_is_compatible(np, "kauai-ata")) {
+ && of_device_is_compatible(np->parent, "uni-north")
+ && of_device_is_compatible(np, "kauai-ata")) {
core99_ata100_enable(np, 1);
}
np = of_find_node_by_name(np, "ata-6");
}
/* Switch airport off */
- np = find_devices("radio");
- while(np) {
- if (np && np->parent == macio_chips[0].of_node) {
+ for_each_node_by_name(np, "radio") {
+ if (np->parent == macio_chips[0].of_node) {
macio_chips[0].flags |= MACIO_FLAG_AIRPORT_ON;
core99_airport_enable(np, 0, 0);
}
- np = np->next;
}
}
@@ -2857,16 +2898,12 @@ set_initial_features(void)
#endif /* CONFIG_POWER4 */
/* On all machines, switch modem & serial ports off */
- np = find_devices("ch-a");
- while(np) {
+ for_each_node_by_name(np, "ch-a")
initial_serial_shutdown(np);
- np = np->next;
- }
- np = find_devices("ch-b");
- while(np) {
+ of_node_put(np);
+ for_each_node_by_name(np, "ch-b")
initial_serial_shutdown(np);
- np = np->next;
- }
+ of_node_put(np);
}
void __init
@@ -3009,3 +3046,8 @@ void pmac_resume_agp_for_card(struct pci_dev *dev)
pmac_agp_resume(pmac_agp_bridge);
}
EXPORT_SYMBOL(pmac_resume_agp_for_card);
+
+int pmac_get_uninorth_variant(void)
+{
+ return uninorth_maj;
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-07 08:30:00 +0000