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-rw-r--r--cpu/74xx_7xx/traps.c11
-rw-r--r--cpu/arm926ejs/interrupts.c107
-rw-r--r--cpu/mpc5xx/traps.c11
-rw-r--r--cpu/mpc5xxx/traps.c12
-rw-r--r--cpu/mpc824x/traps.c11
-rw-r--r--cpu/mpc8260/traps.c10
-rw-r--r--cpu/mpc85xx/traps.c11
-rw-r--r--cpu/mpc8xx/traps.c11
-rw-r--r--cpu/nios/interrupts.c4
-rw-r--r--cpu/ppc4xx/Makefile2
-rw-r--r--cpu/ppc4xx/commproc.c69
-rw-r--r--cpu/ppc4xx/traps.c11
12 files changed, 177 insertions, 93 deletions
diff --git a/cpu/74xx_7xx/traps.c b/cpu/74xx_7xx/traps.c
index 6e94601..ac5f8bf 100644
--- a/cpu/74xx_7xx/traps.c
+++ b/cpu/74xx_7xx/traps.c
@@ -140,19 +140,18 @@ MachineCheckException(struct pt_regs *regs)
printf("Machine check in kernel mode.\n");
printf("Caused by (from msr): ");
printf("regs %p ",regs);
- switch( regs->msr & 0x0000F000)
- {
- case (1<<12) :
+ switch( regs->msr & 0x000F0000) {
+ case (0x80000000>>12):
printf("Machine check signal - probably due to mm fault\n"
"with mmu off\n");
break;
- case (1<<13) :
+ case (0x80000000>>13):
printf("Transfer error ack signal\n");
break;
- case (1<<14) :
+ case (0x80000000>>14):
printf("Data parity signal\n");
break;
- case (1<<15) :
+ case (0x80000000>>15):
printf("Address parity signal\n");
break;
default:
diff --git a/cpu/arm926ejs/interrupts.c b/cpu/arm926ejs/interrupts.c
index 3985217..4d6efeb 100644
--- a/cpu/arm926ejs/interrupts.c
+++ b/cpu/arm926ejs/interrupts.c
@@ -1,4 +1,7 @@
/*
+ * (C) Copyright 2003
+ * Texas Instruments <www.ti.com>
+ *
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
@@ -31,7 +34,6 @@
#include <common.h>
#include <arm925t.h>
-#include <configs/omap1510.h>
#include <asm/proc-armv/ptrace.h>
@@ -47,12 +49,14 @@ void enable_interrupts (void)
{
unsigned long temp;
__asm__ __volatile__("mrs %0, cpsr\n"
- "bic %0, %0, #0x80\n"
- "msr cpsr_c, %0"
- : "=r" (temp)
- : "memory");
+ "bic %0, %0, #0x80\n"
+ "msr cpsr_c, %0"
+ : "=r" (temp)
+ :
+ : "memory");
}
+
/*
* disable IRQ/FIQ interrupts
* returns true if interrupts had been enabled before we disabled them
@@ -61,10 +65,11 @@ int disable_interrupts (void)
{
unsigned long old,temp;
__asm__ __volatile__("mrs %0, cpsr\n"
- "orr %1, %0, #0xc0\n"
- "msr cpsr_c, %1"
- : "=r" (old), "=r" (temp)
- : "memory");
+ "orr %1, %0, #0xc0\n"
+ "msr cpsr_c, %1"
+ : "=r" (old), "=r" (temp)
+ :
+ : "memory");
return (old & 0x80) == 0;
}
#else
@@ -179,10 +184,14 @@ int interrupt_init (void)
{
int32_t val;
+ /* Start the decrementer ticking down from 0xffffffff */
*((int32_t *) (CFG_TIMERBASE + LOAD_TIM)) = TIMER_LOAD_VAL;
- val = MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE |
- (CFG_PVT << MPUTIM_PTV_BIT);
+ val = MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE | (CFG_PVT << MPUTIM_PTV_BIT);
*((int32_t *) (CFG_TIMERBASE + CNTL_TIMER)) = val;
+
+ /* init the timestamp and lastdec value */
+ reset_timer_masked();
+
return (0);
}
@@ -205,44 +214,50 @@ void set_timer (ulong t)
timestamp = t;
}
-/* very rough timer... */
+/* delay x useconds AND perserve advance timstamp value */
void udelay (unsigned long usec)
{
-#ifdef CONFIG_INNOVATOROMAP1610
-#define LOOPS_PER_MSEC 100 /* tuned on omap1610 */
- volatile int i, time_remaining = LOOPS_PER_MSEC * usec;
-
- for (i = time_remaining; i > 0; i--) {
+ ulong tmo, tmp;
+
+ if(usec >= 1000){ /* if "big" number, spread normalization to seconds */
+ tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
+ tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */
+ tmo /= 1000; /* finish normalize. */
+ }else{ /* else small number, don't kill it prior to HZ multiply */
+ tmo = usec * CFG_HZ;
+ tmo /= (1000*1000);
}
-#else
- ulong tmo;
- tmo = usec / 1000;
- tmo *= CFG_HZ;
- tmo /= 1000;
- tmo += get_timer (0);
- while (get_timer_masked () < tmo)
+ tmp = get_timer (0); /* get current timestamp */
+ if( (tmo + tmp) < tmp ) /* if setting this fordward will roll time stamp */
+ reset_timer_masked (); /* reset "advancing" timestamp to 0, set lastdec value */
+ else
+ tmo += tmp; /* else, set advancing stamp wake up time */
+
+ while (get_timer_masked () < tmo)/* loop till event */
/*NOP*/;
-#endif
}
void reset_timer_masked (void)
{
/* reset time */
- lastdec = READ_TIMER;
- timestamp = 0;
+ lastdec = READ_TIMER; /* capure current decrementer value time */
+ timestamp = 0; /* start "advancing" time stamp from 0 */
}
ulong get_timer_masked (void)
{
ulong now = READ_TIMER; /* current tick value */
- if (lastdec >= now) { /* did I roll (rem decrementer) */
+ if (lastdec >= now) { /* normal mode (non roll) */
/* normal mode */
- /* record amount of time since last check */
- timestamp += lastdec - now;
- } else {
- /* we have an overflow ... */
+ timestamp += lastdec - now; /* move stamp fordward with absoulte diff ticks */
+ } else { /* we have overflow of the count down timer */
+ /* nts = ts + ld + (TLV - now)
+ * ts=old stamp, ld=time that passed before passing through -1
+ * (TLV-now) amount of time after passing though -1
+ * nts = new "advancing time stamp"...it could also roll and cause problems.
+ */
timestamp += lastdec + TIMER_LOAD_VAL - now;
}
lastdec = now;
@@ -250,25 +265,24 @@ ulong get_timer_masked (void)
return timestamp;
}
+/* waits specified delay value and resets timestamp */
void udelay_masked (unsigned long usec)
{
-#ifdef CONFIG_INNOVATOROMAP1610
- #define LOOPS_PER_MSEC 100 /* tuned on omap1610 */
- volatile int i, time_remaining = LOOPS_PER_MSEC*usec;
- for (i=time_remaining; i>0; i--) { }
-#else
-
- ulong tmo;
+ ulong tmo, tmp;
+
+ if(usec >= 1000){ /* if "big" number, spread normalization to seconds */
+ tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
+ tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */
+ tmo /= 1000; /* finish normalize. */
+ }else{ /* else small number, don't kill it prior to HZ multiply */
+ tmo = usec * CFG_HZ;
+ tmo /= (1000*1000);
+ }
- tmo = usec / 1000;
- tmo *= CFG_HZ;
- tmo /= 1000;
+ reset_timer_masked (); /* set "advancing" timestamp to 0, set lastdec vaule */
- reset_timer_masked ();
-
- while (get_timer_masked () < tmo)
+ while (get_timer_masked () < tmo) /* wait for time stamp to overtake tick number.*/
/*NOP*/;
-#endif
}
/*
@@ -287,6 +301,7 @@ unsigned long long get_ticks(void)
ulong get_tbclk (void)
{
ulong tbclk;
+
tbclk = CFG_HZ;
return tbclk;
}
diff --git a/cpu/mpc5xx/traps.c b/cpu/mpc5xx/traps.c
index 41939c1..14fd59e 100644
--- a/cpu/mpc5xx/traps.c
+++ b/cpu/mpc5xx/traps.c
@@ -139,18 +139,17 @@ void MachineCheckException(struct pt_regs *regs)
printf("Machine check in kernel mode.\n");
printf("Caused by (from msr): ");
printf("regs %p ",regs);
- switch( regs->msr & 0x0000F000)
- {
- case (1<<12) :
+ switch( regs->msr & 0x000F0000) {
+ case (0x80000000>>12):
printf("Machine check signal\n");
break;
- case (1<<13) :
+ case (0x80000000>>13):
printf("Transfer error ack signal\n");
break;
- case (1<<14) :
+ case (0x80000000>>14):
printf("Data parity signal\n");
break;
- case (1<<15) :
+ case (0x80000000>>15):
printf("Address parity signal\n");
break;
default:
diff --git a/cpu/mpc5xxx/traps.c b/cpu/mpc5xxx/traps.c
index 5d43394..2ee782b 100644
--- a/cpu/mpc5xxx/traps.c
+++ b/cpu/mpc5xxx/traps.c
@@ -5,6 +5,7 @@
*
* Modified by Cort Dougan (cort@cs.nmt.edu)
* and Paul Mackerras (paulus@cs.anu.edu.au)
+ * fixed Machine Check Reasons by Reinhard Meyer (r.meyer@emk-elektronik.de)
*
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -130,19 +131,20 @@ MachineCheckException(struct pt_regs *regs)
printf("Machine check in kernel mode.\n");
printf("Caused by (from msr): ");
printf("regs %p ",regs);
- switch( regs->msr & 0x0000F000)
+ /* refer to 603e Manual (MPC603EUM/AD), chapter 4.5.2.1 */
+ switch( regs->msr & 0x000F0000)
{
- case (1<<12) :
+ case (0x80000000>>12) :
printf("Machine check signal - probably due to mm fault\n"
"with mmu off\n");
break;
- case (1<<13) :
+ case (0x80000000>>13) :
printf("Transfer error ack signal\n");
break;
- case (1<<14) :
+ case (0x80000000>>14) :
printf("Data parity signal\n");
break;
- case (1<<15) :
+ case (0x80000000>>15) :
printf("Address parity signal\n");
break;
default:
diff --git a/cpu/mpc824x/traps.c b/cpu/mpc824x/traps.c
index 956244f..071d003 100644
--- a/cpu/mpc824x/traps.c
+++ b/cpu/mpc824x/traps.c
@@ -120,19 +120,18 @@ MachineCheckException(struct pt_regs *regs)
printf("Machine check in kernel mode.\n");
printf("Caused by (from msr): ");
printf("regs %p ",regs);
- switch( regs->msr & 0x0000F000)
- {
- case (1<<12) :
+ switch( regs->msr & 0x000F0000) {
+ case (0x80000000>>12):
printf("Machine check signal - probably due to mm fault\n"
"with mmu off\n");
break;
- case (1<<13) :
+ case (0x80000000>>13):
printf("Transfer error ack signal\n");
break;
- case (1<<14) :
+ case (0x80000000>>14):
printf("Data parity signal\n");
break;
- case (1<<15) :
+ case (0x80000000>>15):
printf("Address parity signal\n");
break;
default:
diff --git a/cpu/mpc8260/traps.c b/cpu/mpc8260/traps.c
index deab808..693db39 100644
--- a/cpu/mpc8260/traps.c
+++ b/cpu/mpc8260/traps.c
@@ -158,18 +158,18 @@ MachineCheckException(struct pt_regs *regs)
printf("Machine check in kernel mode.\n");
printf("Caused by (from msr): ");
printf("regs %p ",regs);
- switch( regs->msr & 0x0000F000) {
- case (1<<12) :
+ switch( regs->msr & 0x000F0000) {
+ case (0x80000000>>12):
printf("Machine check signal - probably due to mm fault\n"
"with mmu off\n");
break;
- case (1<<13) :
+ case (0x80000000>>13):
printf("Transfer error ack signal\n");
break;
- case (1<<14) :
+ case (0x80000000>>14):
printf("Data parity signal\n");
break;
- case (1<<15) :
+ case (0x80000000>>15):
printf("Address parity signal\n");
break;
default:
diff --git a/cpu/mpc85xx/traps.c b/cpu/mpc85xx/traps.c
index fd0b436..a348eab 100644
--- a/cpu/mpc85xx/traps.c
+++ b/cpu/mpc85xx/traps.c
@@ -164,19 +164,18 @@ MachineCheckException(struct pt_regs *regs)
printf("Machine check in kernel mode.\n");
printf("Caused by (from msr): ");
printf("regs %p ",regs);
- switch( regs->msr & 0x0000F000)
- {
- case (1<<12) :
+ switch( regs->msr & 0x000F0000) {
+ case (0x80000000>>12):
printf("Machine check signal - probably due to mm fault\n"
"with mmu off\n");
break;
- case (1<<13) :
+ case (0x80000000>>13):
printf("Transfer error ack signal\n");
break;
- case (1<<14) :
+ case (0x80000000>>14):
printf("Data parity signal\n");
break;
- case (1<<15) :
+ case (0x80000000>>15):
printf("Address parity signal\n");
break;
default:
diff --git a/cpu/mpc8xx/traps.c b/cpu/mpc8xx/traps.c
index c432be6..67b75cc 100644
--- a/cpu/mpc8xx/traps.c
+++ b/cpu/mpc8xx/traps.c
@@ -134,19 +134,18 @@ MachineCheckException(struct pt_regs *regs)
printf("Machine check in kernel mode.\n");
printf("Caused by (from msr): ");
printf("regs %p ",regs);
- switch( regs->msr & 0x0000F000)
- {
- case (1<<12) :
+ switch( regs->msr & 0x000F0000) {
+ case (0x80000000>>12):
printf("Machine check signal - probably due to mm fault\n"
"with mmu off\n");
break;
- case (1<<13) :
+ case (0x80000000>>13):
printf("Transfer error ack signal\n");
break;
- case (1<<14) :
+ case (0x80000000>>14):
printf("Data parity signal\n");
break;
- case (1<<15) :
+ case (0x80000000>>15):
printf("Address parity signal\n");
break;
default:
diff --git a/cpu/nios/interrupts.c b/cpu/nios/interrupts.c
index 31eabde..450946b 100644
--- a/cpu/nios/interrupts.c
+++ b/cpu/nios/interrupts.c
@@ -128,6 +128,10 @@ int interrupt_init (void)
tmr->control &= ~NIOS_TIMER_ITO;
tmr->control |= NIOS_TIMER_STOP;
+#if defined(CFG_NIOS_TMRCNT)
+ tmr->periodl = CFG_NIOS_TMRCNT & 0xffff;
+ tmr->periodh = (CFG_NIOS_TMRCNT >> 16) & 0xffff;
+#endif
#endif
for (vec=0; vec<64; vec++ ) {
diff --git a/cpu/ppc4xx/Makefile b/cpu/ppc4xx/Makefile
index 9b54d32..a841109 100644
--- a/cpu/ppc4xx/Makefile
+++ b/cpu/ppc4xx/Makefile
@@ -28,7 +28,7 @@ LIB = lib$(CPU).a
START = start.o resetvec.o kgdb.o
AOBJS = dcr.o
COBJS = 405gp_enet.o 405gp_pci.o 440gx_enet.o \
- bedbug_405.o \
+ bedbug_405.o commproc.o \
cpu.o cpu_init.o i2c.o interrupts.o \
miiphy.o miiphy_440.o sdram.o serial.o \
spd_sdram.o speed.o traps.o
diff --git a/cpu/ppc4xx/commproc.c b/cpu/ppc4xx/commproc.c
new file mode 100644
index 0000000..68aab5b
--- /dev/null
+++ b/cpu/ppc4xx/commproc.c
@@ -0,0 +1,69 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Atapted for ppc4XX by Denis Peter
+ */
+
+#include <common.h>
+#include <commproc.h>
+
+
+#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
+
+void post_word_store (ulong a)
+{
+ volatile void *save_addr = (volatile void *)(CFG_OCM_DATA_ADDR + CFG_POST_WORD_ADDR);
+ *(volatile ulong *) save_addr = a;
+}
+
+ulong post_word_load (void)
+{
+ volatile void *save_addr = (volatile void *)(CFG_OCM_DATA_ADDR + CFG_POST_WORD_ADDR);
+ return *(volatile ulong *) save_addr;
+}
+
+#endif /* CONFIG_POST || CONFIG_LOGBUFFER*/
+
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+
+void bootcount_store (ulong a)
+{
+ volatile ulong *save_addr =
+ (volatile ulong *)(CFG_OCM_DATA_ADDR + CFG_BOOTCOUNT_ADDR);
+
+ save_addr[0] = a;
+ save_addr[1] = BOOTCOUNT_MAGIC;
+}
+
+ulong bootcount_load (void)
+{
+ volatile ulong *save_addr =
+ (volatile ulong *)(CFG_OCM_DATA_ADDR + CFG_BOOTCOUNT_ADDR);
+
+ if (save_addr[1] != BOOTCOUNT_MAGIC)
+ return 0;
+ else
+ return save_addr[0];
+}
+
+#endif /* CONFIG_BOOTCOUNT_LIMIT */
diff --git a/cpu/ppc4xx/traps.c b/cpu/ppc4xx/traps.c
index 1cf899e..6aecca2 100644
--- a/cpu/ppc4xx/traps.c
+++ b/cpu/ppc4xx/traps.c
@@ -164,19 +164,18 @@ MachineCheckException(struct pt_regs *regs)
printf("Machine check in kernel mode.\n");
printf("Caused by (from msr): ");
printf("regs %p ",regs);
- switch( regs->msr & 0x0000F000)
- {
- case (1<<12) :
+ switch( regs->msr & 0x000F0000) {
+ case (0x80000000>>12):
printf("Machine check signal - probably due to mm fault\n"
"with mmu off\n");
break;
- case (1<<13) :
+ case (0x80000000>>13):
printf("Transfer error ack signal\n");
break;
- case (1<<14) :
+ case (0x80000000>>14):
printf("Data parity signal\n");
break;
- case (1<<15) :
+ case (0x80000000>>15):
printf("Address parity signal\n");
break;
default:
generated by cgit v1.1 at 2024-11-16 00:14:40 +0000