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-rw-r--r--arch/ppc/kernel/cpu_setup_6xx.S9
-rw-r--r--arch/ppc/kernel/cputable.c76
-rw-r--r--arch/ppc/kernel/find_name.c48
-rw-r--r--arch/ppc/kernel/head_44x.S4
-rw-r--r--arch/ppc/kernel/head_4xx.S5
-rw-r--r--arch/ppc/kernel/head_fsl_booke.S5
-rw-r--r--arch/ppc/kernel/l2cr.S31
-rw-r--r--arch/ppc/kernel/pci.c1
-rw-r--r--arch/ppc/kernel/ppc_ksyms.c4
-rw-r--r--arch/ppc/kernel/setup.c28
-rw-r--r--arch/ppc/kernel/time.c7
-rw-r--r--arch/ppc/kernel/traps.c19
12 files changed, 161 insertions, 76 deletions
diff --git a/arch/ppc/kernel/cpu_setup_6xx.S b/arch/ppc/kernel/cpu_setup_6xx.S
index 468721d9ebd..bd037caa405 100644
--- a/arch/ppc/kernel/cpu_setup_6xx.S
+++ b/arch/ppc/kernel/cpu_setup_6xx.S
@@ -249,8 +249,11 @@ END_FTR_SECTION_IFSET(CPU_FTR_NO_DPM)
sync
isync
- /* Enable L2 HW prefetch
+ /* Enable L2 HW prefetch, if L2 is enabled
*/
+ mfspr r3,SPRN_L2CR
+ andis. r3,r3,L2CR_L2E@h
+ beqlr
mfspr r3,SPRN_MSSCR0
ori r3,r3,3
sync
@@ -324,6 +327,7 @@ _GLOBAL(__save_cpu_setup)
cmplwi cr4,r3,0x8002 /* 7457 */
cmplwi cr5,r3,0x8003 /* 7447A */
cmplwi cr6,r3,0x7000 /* 750FX */
+ cmplwi cr7,r3,0x8004 /* 7448 */
/* cr1 is 7400 || 7410 */
cror 4*cr1+eq,4*cr1+eq,4*cr2+eq
/* cr0 is 74xx */
@@ -331,6 +335,7 @@ _GLOBAL(__save_cpu_setup)
cror 4*cr0+eq,4*cr0+eq,4*cr4+eq
cror 4*cr0+eq,4*cr0+eq,4*cr1+eq
cror 4*cr0+eq,4*cr0+eq,4*cr5+eq
+ cror 4*cr0+eq,4*cr0+eq,4*cr7+eq
bne 1f
/* Backup 74xx specific regs */
mfspr r4,SPRN_MSSCR0
@@ -393,6 +398,7 @@ _GLOBAL(__restore_cpu_setup)
cmplwi cr4,r3,0x8002 /* 7457 */
cmplwi cr5,r3,0x8003 /* 7447A */
cmplwi cr6,r3,0x7000 /* 750FX */
+ cmplwi cr7,r3,0x8004 /* 7448 */
/* cr1 is 7400 || 7410 */
cror 4*cr1+eq,4*cr1+eq,4*cr2+eq
/* cr0 is 74xx */
@@ -400,6 +406,7 @@ _GLOBAL(__restore_cpu_setup)
cror 4*cr0+eq,4*cr0+eq,4*cr4+eq
cror 4*cr0+eq,4*cr0+eq,4*cr1+eq
cror 4*cr0+eq,4*cr0+eq,4*cr5+eq
+ cror 4*cr0+eq,4*cr0+eq,4*cr7+eq
bne 2f
/* Restore 74xx specific regs */
lwz r4,CS_MSSCR0(r5)
diff --git a/arch/ppc/kernel/cputable.c b/arch/ppc/kernel/cputable.c
index 8a3d74f2531..546e1ea4caf 100644
--- a/arch/ppc/kernel/cputable.c
+++ b/arch/ppc/kernel/cputable.c
@@ -198,10 +198,10 @@ struct cpu_spec cpu_specs[] = {
.num_pmcs = 4,
.cpu_setup = __setup_cpu_750
},
- { /* 745/755 */
- .pvr_mask = 0xfffff000,
- .pvr_value = 0x00083000,
- .cpu_name = "745/755",
+ { /* 750CX (80100 and 8010x?) */
+ .pvr_mask = 0xfffffff0,
+ .pvr_value = 0x00080100,
+ .cpu_name = "750CX",
.cpu_features = CPU_FTR_COMMON |
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE |
CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU |
@@ -210,11 +210,11 @@ struct cpu_spec cpu_specs[] = {
.icache_bsize = 32,
.dcache_bsize = 32,
.num_pmcs = 4,
- .cpu_setup = __setup_cpu_750
+ .cpu_setup = __setup_cpu_750cx
},
- { /* 750CX (80100 and 8010x?) */
+ { /* 750CX (82201 and 82202) */
.pvr_mask = 0xfffffff0,
- .pvr_value = 0x00080100,
+ .pvr_value = 0x00082200,
.cpu_name = "750CX",
.cpu_features = CPU_FTR_COMMON |
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE |
@@ -226,10 +226,10 @@ struct cpu_spec cpu_specs[] = {
.num_pmcs = 4,
.cpu_setup = __setup_cpu_750cx
},
- { /* 750CX (82201 and 82202) */
+ { /* 750CXe (82214) */
.pvr_mask = 0xfffffff0,
- .pvr_value = 0x00082200,
- .cpu_name = "750CX",
+ .pvr_value = 0x00082210,
+ .cpu_name = "750CXe",
.cpu_features = CPU_FTR_COMMON |
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE |
CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU |
@@ -240,9 +240,9 @@ struct cpu_spec cpu_specs[] = {
.num_pmcs = 4,
.cpu_setup = __setup_cpu_750cx
},
- { /* 750CXe (82214) */
- .pvr_mask = 0xfffffff0,
- .pvr_value = 0x00082210,
+ { /* 750CXe "Gekko" (83214) */
+ .pvr_mask = 0xffffffff,
+ .pvr_value = 0x00083214,
.cpu_name = "750CXe",
.cpu_features = CPU_FTR_COMMON |
CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE |
@@ -254,6 +254,20 @@ struct cpu_spec cpu_specs[] = {
.num_pmcs = 4,
.cpu_setup = __setup_cpu_750cx
},
+ { /* 745/755 */
+ .pvr_mask = 0xfffff000,
+ .pvr_value = 0x00083000,
+ .cpu_name = "745/755",
+ .cpu_features = CPU_FTR_COMMON |
+ CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE |
+ CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU |
+ CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP,
+ .cpu_user_features = COMMON_PPC,
+ .icache_bsize = 32,
+ .dcache_bsize = 32,
+ .num_pmcs = 4,
+ .cpu_setup = __setup_cpu_750
+ },
{ /* 750FX rev 1.x */
.pvr_mask = 0xffffff00,
.pvr_value = 0x70000100,
@@ -536,6 +550,22 @@ struct cpu_spec cpu_specs[] = {
.num_pmcs = 6,
.cpu_setup = __setup_cpu_745x
},
+ { /* 7448 */
+ .pvr_mask = 0xffff0000,
+ .pvr_value = 0x80040000,
+ .cpu_name = "7448",
+ .cpu_features = CPU_FTR_COMMON |
+ CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
+ CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR |
+ CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE |
+ CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR |
+ CPU_FTR_HAS_HIGH_BATS | CPU_FTR_NEED_COHERENT,
+ .cpu_user_features = COMMON_PPC | PPC_FEATURE_ALTIVEC_COMP,
+ .icache_bsize = 32,
+ .dcache_bsize = 32,
+ .num_pmcs = 6,
+ .cpu_setup = __setup_cpu_745x
+ },
{ /* 82xx (8240, 8245, 8260 are all 603e cores) */
.pvr_mask = 0x7fff0000,
.pvr_value = 0x00810000,
@@ -922,6 +952,26 @@ struct cpu_spec cpu_specs[] = {
.icache_bsize = 32,
.dcache_bsize = 32,
},
+ { /* 440GX Rev. F */
+ .pvr_mask = 0xf0000fff,
+ .pvr_value = 0x50000894,
+ .cpu_name = "440GX Rev. F",
+ .cpu_features = CPU_FTR_SPLIT_ID_CACHE |
+ CPU_FTR_USE_TB,
+ .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
+ .icache_bsize = 32,
+ .dcache_bsize = 32,
+ },
+ { /* 440SP Rev. A */
+ .pvr_mask = 0xff000fff,
+ .pvr_value = 0x53000891,
+ .cpu_name = "440SP Rev. A",
+ .cpu_features = CPU_FTR_SPLIT_ID_CACHE |
+ CPU_FTR_USE_TB,
+ .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
+ .icache_bsize = 32,
+ .dcache_bsize = 32,
+ },
#endif /* CONFIG_44x */
#ifdef CONFIG_FSL_BOOKE
{ /* e200z5 */
diff --git a/arch/ppc/kernel/find_name.c b/arch/ppc/kernel/find_name.c
deleted file mode 100644
index 3c0fa8e0c07..00000000000
--- a/arch/ppc/kernel/find_name.c
+++ /dev/null
@@ -1,48 +0,0 @@
-#include <stdio.h>
-#include <asm/page.h>
-#include <sys/mman.h>
-#include <strings.h>
-/*
- * Finds a given address in the System.map and prints it out
- * with its neighbors. -- Cort
- */
-
-int main(int argc, char **argv)
-{
- unsigned long addr, cmp, i;
- FILE *f;
- char s[256], last[256];
-
- if ( argc < 2 )
- {
- fprintf(stderr, "Usage: %s <address>\n", argv[0]);
- return -1;
- }
-
- for ( i = 1 ; argv[i] ; i++ )
- {
- sscanf( argv[i], "%0lx", &addr );
- /* adjust if addr is relative to kernelbase */
- if ( addr < PAGE_OFFSET )
- addr += PAGE_OFFSET;
-
- if ( (f = fopen( "System.map", "r" )) == NULL )
- {
- perror("fopen()\n");
- exit(-1);
- }
-
- while ( !feof(f) )
- {
- fgets(s, 255 , f);
- sscanf( s, "%0lx", &cmp );
- if ( addr < cmp )
- break;
- strcpy( last, s);
- }
-
- printf( "%s%s", last, s );
- }
- fclose(f);
- return 0;
-}
diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S
index 69ff3a9961e..9e68e32edb6 100644
--- a/arch/ppc/kernel/head_44x.S
+++ b/arch/ppc/kernel/head_44x.S
@@ -462,7 +462,11 @@ interrupt_base:
/* Watchdog Timer Interrupt */
/* TODO: Add watchdog support */
+#ifdef CONFIG_BOOKE_WDT
+ CRITICAL_EXCEPTION(0x1020, WatchdogTimer, WatchdogException)
+#else
CRITICAL_EXCEPTION(0x1020, WatchdogTimer, UnknownException)
+#endif
/* Data TLB Error Interrupt */
START_EXCEPTION(DataTLBError)
diff --git a/arch/ppc/kernel/head_4xx.S b/arch/ppc/kernel/head_4xx.S
index 23fb51819ba..ca9518b96c6 100644
--- a/arch/ppc/kernel/head_4xx.S
+++ b/arch/ppc/kernel/head_4xx.S
@@ -448,9 +448,12 @@ label:
/* 0x1020 - Watchdog Timer (WDT) Exception
*/
-
+#ifdef CONFIG_BOOKE_WDT
+ CRITICAL_EXCEPTION(0x1020, WDTException, WatchdogException)
+#else
CRITICAL_EXCEPTION(0x1020, WDTException, UnknownException)
#endif
+#endif
/* 0x1100 - Data TLB Miss Exception
* As the name implies, translation is not in the MMU, so search the
diff --git a/arch/ppc/kernel/head_fsl_booke.S b/arch/ppc/kernel/head_fsl_booke.S
index eb804b7a3cb..4028f4c7d97 100644
--- a/arch/ppc/kernel/head_fsl_booke.S
+++ b/arch/ppc/kernel/head_fsl_booke.S
@@ -564,8 +564,11 @@ interrupt_base:
EXCEPTION(0x3100, FixedIntervalTimer, UnknownException, EXC_XFER_EE)
/* Watchdog Timer Interrupt */
- /* TODO: Add watchdog support */
+#ifdef CONFIG_BOOKE_WDT
+ CRITICAL_EXCEPTION(0x3200, WatchdogTimer, WatchdogException)
+#else
CRITICAL_EXCEPTION(0x3200, WatchdogTimer, UnknownException)
+#endif
/* Data TLB Error Interrupt */
START_EXCEPTION(DataTLBError)
diff --git a/arch/ppc/kernel/l2cr.S b/arch/ppc/kernel/l2cr.S
index c3944104826..861115249b3 100644
--- a/arch/ppc/kernel/l2cr.S
+++ b/arch/ppc/kernel/l2cr.S
@@ -156,6 +156,26 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
The bit moved on the 7450.....
****/
+BEGIN_FTR_SECTION
+ /* Disable L2 prefetch on some 745x and try to ensure
+ * L2 prefetch engines are idle. As explained by errata
+ * text, we can't be sure they are, we just hope very hard
+ * that well be enough (sic !). At least I noticed Apple
+ * doesn't even bother doing the dcbf's here...
+ */
+ mfspr r4,SPRN_MSSCR0
+ rlwinm r4,r4,0,0,29
+ sync
+ mtspr SPRN_MSSCR0,r4
+ sync
+ isync
+ lis r4,KERNELBASE@h
+ dcbf 0,r4
+ dcbf 0,r4
+ dcbf 0,r4
+ dcbf 0,r4
+END_FTR_SECTION_IFSET(CPU_FTR_SPEC7450)
+
/* TODO: use HW flush assist when available */
lis r4,0x0002
@@ -230,7 +250,16 @@ END_FTR_SECTION_IFSET(CPU_FTR_SPEC7450)
oris r3,r3,0x8000
mtspr SPRN_L2CR,r3
sync
-
+
+ /* Enable L2 HW prefetch on 744x/745x */
+BEGIN_FTR_SECTION
+ mfspr r3,SPRN_MSSCR0
+ ori r3,r3,3
+ sync
+ mtspr SPRN_MSSCR0,r3
+ sync
+ isync
+END_FTR_SECTION_IFSET(CPU_FTR_SPEC7450)
4:
/* Restore HID0[DPM] to whatever it was before */
diff --git a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c
index 7b3586a3bf3..854e45beb38 100644
--- a/arch/ppc/kernel/pci.c
+++ b/arch/ppc/kernel/pci.c
@@ -80,7 +80,6 @@ fixup_broken_pcnet32(struct pci_dev* dev)
if ((dev->class>>8 == PCI_CLASS_NETWORK_ETHERNET)) {
dev->vendor = PCI_VENDOR_ID_AMD;
pci_write_config_word(dev, PCI_VENDOR_ID, PCI_VENDOR_ID_AMD);
- pci_name_device(dev);
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TRIDENT, PCI_ANY_ID, fixup_broken_pcnet32);
diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c
index e7d40cc6c1b..88f6bb7b696 100644
--- a/arch/ppc/kernel/ppc_ksyms.c
+++ b/arch/ppc/kernel/ppc_ksyms.c
@@ -51,9 +51,6 @@
#include <asm/commproc.h>
#endif
-/* Tell string.h we don't want memcpy etc. as cpp defines */
-#define EXPORT_SYMTAB_STROPS
-
extern void transfer_to_handler(void);
extern void do_IRQ(struct pt_regs *regs);
extern void MachineCheckException(struct pt_regs *regs);
@@ -263,6 +260,7 @@ EXPORT_SYMBOL(__ashrdi3);
EXPORT_SYMBOL(__ashldi3);
EXPORT_SYMBOL(__lshrdi3);
EXPORT_SYMBOL(memcpy);
+EXPORT_SYMBOL(cacheable_memcpy);
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(memscan);
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index 929e5d1cc7f..545cfd0fab5 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -41,7 +41,11 @@
#include <asm/xmon.h>
#include <asm/ocp.h>
-#if defined(CONFIG_85xx) || defined(CONFIG_83xx) || defined(CONFIG_MPC10X_BRIDGE)
+#define USES_PPC_SYS (defined(CONFIG_85xx) || defined(CONFIG_83xx) || \
+ defined(CONFIG_MPC10X_BRIDGE) || defined(CONFIG_8260) || \
+ defined(CONFIG_PPC_MPC52xx))
+
+#if USES_PPC_SYS
#include <asm/ppc_sys.h>
#endif
@@ -241,7 +245,7 @@ int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "bogomips\t: %lu.%02lu\n",
lpj / (500000/HZ), (lpj / (5000/HZ)) % 100);
-#if defined(CONFIG_85xx) || defined(CONFIG_83xx) || defined(CONFIG_MPC10X_BRIDGE)
+#if USES_PPC_SYS
if (cur_ppc_sys_spec->ppc_sys_name)
seq_printf(m, "chipset\t\t: %s\n",
cur_ppc_sys_spec->ppc_sys_name);
@@ -615,6 +619,26 @@ machine_init(unsigned long r3, unsigned long r4, unsigned long r5,
if (ppc_md.progress)
ppc_md.progress("id mach(): done", 0x200);
}
+#ifdef CONFIG_BOOKE_WDT
+/* Checks wdt=x and wdt_period=xx command-line option */
+int __init early_parse_wdt(char *p)
+{
+ if (p && strncmp(p, "0", 1) != 0)
+ booke_wdt_enabled = 1;
+
+ return 0;
+}
+early_param("wdt", early_parse_wdt);
+
+int __init early_parse_wdt_period (char *p)
+{
+ if (p)
+ booke_wdt_period = simple_strtoul(p, NULL, 0);
+
+ return 0;
+}
+early_param("wdt_period", early_parse_wdt_period);
+#endif /* CONFIG_BOOKE_WDT */
/* Checks "l2cr=xxxx" command-line option */
int __init ppc_setup_l2cr(char *str)
diff --git a/arch/ppc/kernel/time.c b/arch/ppc/kernel/time.c
index bf4ddca5e85..a3c5281a5d2 100644
--- a/arch/ppc/kernel/time.c
+++ b/arch/ppc/kernel/time.c
@@ -169,7 +169,7 @@ void timer_interrupt(struct pt_regs * regs)
* We should have an rtc call that only sets the minutes and
* seconds like on Intel to avoid problems with non UTC clocks.
*/
- if ( ppc_md.set_rtc_time && (time_status & STA_UNSYNC) == 0 &&
+ if ( ppc_md.set_rtc_time && ntp_synced() &&
xtime.tv_sec - last_rtc_update >= 659 &&
abs((xtime.tv_nsec / 1000) - (1000000-1000000/HZ)) < 500000/HZ &&
jiffies - wall_jiffies == 1) {
@@ -271,10 +271,7 @@ int do_settimeofday(struct timespec *tv)
*/
last_rtc_update = new_sec - 658;
- time_adjust = 0; /* stop active adjtime() */
- time_status |= STA_UNSYNC;
- time_maxerror = NTP_PHASE_LIMIT;
- time_esterror = NTP_PHASE_LIMIT;
+ ntp_clear();
write_sequnlock_irqrestore(&xtime_lock, flags);
clock_was_set();
return 0;
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index 9e6ae569665..d87423d1003 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -904,6 +904,25 @@ void SPEFloatingPointException(struct pt_regs *regs)
}
#endif
+#ifdef CONFIG_BOOKE_WDT
+/*
+ * Default handler for a Watchdog exception,
+ * spins until a reboot occurs
+ */
+void __attribute__ ((weak)) WatchdogHandler(struct pt_regs *regs)
+{
+ /* Generic WatchdogHandler, implement your own */
+ mtspr(SPRN_TCR, mfspr(SPRN_TCR)&(~TCR_WIE));
+ return;
+}
+
+void WatchdogException(struct pt_regs *regs)
+{
+ printk (KERN_EMERG "PowerPC Book-E Watchdog Exception\n");
+ WatchdogHandler(regs);
+}
+#endif
+
void __init trap_init(void)
{
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-18 01:57:57 +0000