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-rw-r--r--arch/blackfin/mach-common/Makefile2
-rw-r--r--arch/blackfin/mach-common/arch_checks.c60
-rw-r--r--arch/blackfin/mach-common/cache.S8
-rw-r--r--arch/blackfin/mach-common/cacheinit.S13
-rw-r--r--arch/blackfin/mach-common/cplbhdlr.S8
-rw-r--r--arch/blackfin/mach-common/cplbmgr.S56
-rw-r--r--arch/blackfin/mach-common/dpmc.S54
-rw-r--r--arch/blackfin/mach-common/entry.S291
-rw-r--r--arch/blackfin/mach-common/interrupt.S56
-rw-r--r--arch/blackfin/mach-common/ints-priority-dc.c46
-rw-r--r--arch/blackfin/mach-common/ints-priority-sc.c57
-rw-r--r--arch/blackfin/mach-common/lock.S24
-rw-r--r--arch/blackfin/mach-common/pm.c6
13 files changed, 457 insertions, 224 deletions
diff --git a/arch/blackfin/mach-common/Makefile b/arch/blackfin/mach-common/Makefile
index 0279ede7039..4d7733dfd5d 100644
--- a/arch/blackfin/mach-common/Makefile
+++ b/arch/blackfin/mach-common/Makefile
@@ -4,7 +4,7 @@
obj-y := \
cache.o cacheinit.o cplbhdlr.o cplbmgr.o entry.o \
- interrupt.o lock.o irqpanic.o
+ interrupt.o lock.o irqpanic.o arch_checks.o
obj-$(CONFIG_CPLB_INFO) += cplbinfo.o
obj-$(CONFIG_BFIN_SINGLE_CORE) += ints-priority-sc.o
diff --git a/arch/blackfin/mach-common/arch_checks.c b/arch/blackfin/mach-common/arch_checks.c
new file mode 100644
index 00000000000..2f6ce397780
--- /dev/null
+++ b/arch/blackfin/mach-common/arch_checks.c
@@ -0,0 +1,60 @@
+/*
+ * File: arch/blackfin/mach-common/arch_checks.c
+ * Based on:
+ * Author: Robin Getz <rgetz@blackfin.uclinux.org>
+ *
+ * Created: 25Jul07
+ * Description: Do some checking to make sure things are OK
+ *
+ * Modified:
+ * Copyright 2004-2007 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <asm/mach/anomaly.h>
+#include <asm/mach-common/clocks.h>
+
+#ifdef CONFIG_BFIN_KERNEL_CLOCK
+
+# if (CONFIG_VCO_HZ > CONFIG_MAX_VCO_HZ)
+# error "VCO selected is more than maximum value. Please change the VCO multipler"
+# endif
+
+# if (CONFIG_SCLK_HZ > CONFIG_MAX_SCLK_HZ)
+# error "Sclk value selected is more than maximum. Please select a proper value for SCLK multiplier"
+# endif
+
+# if (CONFIG_SCLK_HZ < CONFIG_MIN_SCLK_HZ)
+# error "Sclk value selected is less than minimum. Please select a proper value for SCLK multiplier"
+# endif
+
+# if (ANOMALY_05000273) && (CONFIG_SCLK_HZ * 2 > CONFIG_CCLK_HZ)
+# error "ANOMALY 05000273, please make sure CCLK is at least 2x SCLK"
+# endif
+
+# if (CONFIG_SCLK_HZ > CONFIG_CCLK_HZ) && (CONFIG_SCLK_HZ != CONFIG_CLKIN_HZ) && (CONFIG_CCLK_HZ != CONFIG_CLKIN_HZ)
+# error "Please select sclk less than cclk"
+# endif
+
+#endif /* CONFIG_BFIN_KERNEL_CLOCK */
+
+#if (CONFIG_MEM_SIZE % 4)
+#error "SDRAM mem size must be multible of 4MB"
+#endif
+
diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S
index 7063795eb7c..0521b158820 100644
--- a/arch/blackfin/mach-common/cache.S
+++ b/arch/blackfin/mach-common/cache.S
@@ -79,8 +79,8 @@ ENTRY(_icache_invalidate)
ENTRY(_invalidate_entire_icache)
[--SP] = ( R7:5);
- P0.L = (IMEM_CONTROL & 0xFFFF);
- P0.H = (IMEM_CONTROL >> 16);
+ P0.L = LO(IMEM_CONTROL);
+ P0.H = HI(IMEM_CONTROL);
R7 = [P0];
/* Clear the IMC bit , All valid bits in the instruction
@@ -197,8 +197,8 @@ ENTRY(_invalidate_entire_dcache)
ENTRY(_dcache_invalidate)
[--SP] = ( R7:6);
- P0.L = (DMEM_CONTROL & 0xFFFF);
- P0.H = (DMEM_CONTROL >> 16);
+ P0.L = LO(DMEM_CONTROL);
+ P0.H = HI(DMEM_CONTROL);
R7 = [P0];
/* Clear the DMC[1:0] bits, All valid bits in the data
diff --git a/arch/blackfin/mach-common/cacheinit.S b/arch/blackfin/mach-common/cacheinit.S
index 9d475623b72..22fada0c1cb 100644
--- a/arch/blackfin/mach-common/cacheinit.S
+++ b/arch/blackfin/mach-common/cacheinit.S
@@ -38,13 +38,13 @@
.text
-#ifdef ANOMALY_05000125
-#if defined(CONFIG_BLKFIN_CACHE)
+#if ANOMALY_05000125
+#if defined(CONFIG_BFIN_ICACHE)
ENTRY(_bfin_write_IMEM_CONTROL)
/* Enable Instruction Cache */
- P0.l = (IMEM_CONTROL & 0xFFFF);
- P0.h = (IMEM_CONTROL >> 16);
+ P0.l = LO(IMEM_CONTROL);
+ P0.h = HI(IMEM_CONTROL);
/* Anomaly 05000125 */
CLI R1;
@@ -58,8 +58,11 @@ ENTRY(_bfin_write_IMEM_CONTROL)
ENDPROC(_bfin_write_IMEM_CONTROL)
#endif
-#if defined(CONFIG_BLKFIN_DCACHE)
+#if defined(CONFIG_BFIN_DCACHE)
ENTRY(_bfin_write_DMEM_CONTROL)
+ P0.l = LO(DMEM_CONTROL);
+ P0.h = HI(DMEM_CONTROL);
+
CLI R1;
SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */
.align 8;
diff --git a/arch/blackfin/mach-common/cplbhdlr.S b/arch/blackfin/mach-common/cplbhdlr.S
index 2f3c72c2399..2788532de72 100644
--- a/arch/blackfin/mach-common/cplbhdlr.S
+++ b/arch/blackfin/mach-common/cplbhdlr.S
@@ -69,14 +69,14 @@ ENTRY(__cplb_hdr)
.Lis_icplb_miss:
-#if defined(CONFIG_BLKFIN_CACHE) || defined(CONFIG_BLKFIN_DCACHE)
-# if defined(CONFIG_BLKFIN_CACHE) && !defined(CONFIG_BLKFIN_DCACHE)
+#if defined(CONFIG_BFIN_ICACHE) || defined(CONFIG_BFIN_DCACHE)
+# if defined(CONFIG_BFIN_ICACHE) && !defined(CONFIG_BFIN_DCACHE)
R1 = CPLB_ENABLE_ICACHE;
# endif
-# if !defined(CONFIG_BLKFIN_CACHE) && defined(CONFIG_BLKFIN_DCACHE)
+# if !defined(CONFIG_BFIN_ICACHE) && defined(CONFIG_BFIN_DCACHE)
R1 = CPLB_ENABLE_DCACHE;
# endif
-# if defined(CONFIG_BLKFIN_CACHE) && defined(CONFIG_BLKFIN_DCACHE)
+# if defined(CONFIG_BFIN_ICACHE) && defined(CONFIG_BFIN_DCACHE)
R1 = CPLB_ENABLE_DCACHE | CPLB_ENABLE_ICACHE;
# endif
#else
diff --git a/arch/blackfin/mach-common/cplbmgr.S b/arch/blackfin/mach-common/cplbmgr.S
index e4b47e09cf1..946703ef48f 100644
--- a/arch/blackfin/mach-common/cplbmgr.S
+++ b/arch/blackfin/mach-common/cplbmgr.S
@@ -75,15 +75,15 @@ ENTRY(_cplb_mgr)
* from the configuration table.
*/
- P4.L = (ICPLB_FAULT_ADDR & 0xFFFF);
- P4.H = (ICPLB_FAULT_ADDR >> 16);
+ P4.L = LO(ICPLB_FAULT_ADDR);
+ P4.H = HI(ICPLB_FAULT_ADDR);
P1 = 16;
P5.L = _page_size_table;
P5.H = _page_size_table;
- P0.L = (ICPLB_DATA0 & 0xFFFF);
- P0.H = (ICPLB_DATA0 >> 16);
+ P0.L = LO(ICPLB_DATA0);
+ P0.H = HI(ICPLB_DATA0);
R4 = [P4]; /* Get faulting address*/
R6 = 64; /* Advance past the fault address, which*/
R6 = R6 + R4; /* we'll use if we find a match*/
@@ -117,13 +117,13 @@ ENTRY(_cplb_mgr)
I0 = R4; /* Fault address we'll search for*/
/* set up pointers */
- P0.L = (ICPLB_DATA0 & 0xFFFF);
- P0.H = (ICPLB_DATA0 >> 16);
+ P0.L = LO(ICPLB_DATA0);
+ P0.H = HI(ICPLB_DATA0);
/* The replacement procedure for ICPLBs */
- P4.L = (IMEM_CONTROL & 0xFFFF);
- P4.H = (IMEM_CONTROL >> 16);
+ P4.L = LO(IMEM_CONTROL);
+ P4.H = HI(IMEM_CONTROL);
/* disable cplbs */
R5 = [P4]; /* Control Register*/
@@ -243,8 +243,8 @@ ENTRY(_cplb_mgr)
* last entry of the table.
*/
- P1.L = (ICPLB_DATA15 & 0xFFFF); /* ICPLB_DATA15 */
- P1.H = (ICPLB_DATA15 >> 16);
+ P1.L = LO(ICPLB_DATA15); /* ICPLB_DATA15 */
+ P1.H = HI(ICPLB_DATA15);
[P1] = R2;
[P1-0x100] = R4;
#ifdef CONFIG_CPLB_INFO
@@ -292,10 +292,10 @@ ENTRY(_cplb_mgr)
* pending writes associated with the CPLB.
*/
- P4.L = (DCPLB_STATUS & 0xFFFF);
- P4.H = (DCPLB_STATUS >> 16);
- P3.L = (DCPLB_DATA0 & 0xFFFF);
- P3.H = (DCPLB_DATA0 >> 16);
+ P4.L = LO(DCPLB_STATUS);
+ P4.H = HI(DCPLB_STATUS);
+ P3.L = LO(DCPLB_DATA0);
+ P3.H = HI(DCPLB_DATA0);
R5 = [P4];
/* A protection violation can be caused by more than just writes
@@ -355,11 +355,11 @@ ENTRY(_cplb_mgr)
* config table, that covers the faulting address.
*/
- P1.L = (DCPLB_DATA15 & 0xFFFF);
- P1.H = (DCPLB_DATA15 >> 16);
+ P1.L = LO(DCPLB_DATA15);
+ P1.H = HI(DCPLB_DATA15);
- P4.L = (DCPLB_FAULT_ADDR & 0xFFFF);
- P4.H = (DCPLB_FAULT_ADDR >> 16);
+ P4.L = LO(DCPLB_FAULT_ADDR);
+ P4.H = HI(DCPLB_FAULT_ADDR);
R4 = [P4];
I0 = R4;
@@ -368,8 +368,8 @@ ENTRY(_cplb_mgr)
R6 = R1; /* Save for later*/
/* Turn off CPLBs while we work.*/
- P4.L = (DMEM_CONTROL & 0xFFFF);
- P4.H = (DMEM_CONTROL >> 16);
+ P4.L = LO(DMEM_CONTROL);
+ P4.H = HI(DMEM_CONTROL);
R5 = [P4];
BITCLR(R5,ENDCPLB_P);
CLI R0;
@@ -384,8 +384,8 @@ ENTRY(_cplb_mgr)
* are no good.
*/
- I1.L = (DCPLB_DATA0 & 0xFFFF);
- I1.H = (DCPLB_DATA0 >> 16);
+ I1.L = LO(DCPLB_DATA0);
+ I1.H = HI(DCPLB_DATA0);
P1 = 2;
P2 = 16;
I2.L = _dcplb_preference;
@@ -405,7 +405,7 @@ ENTRY(_cplb_mgr)
P3.L = _page_size_table; /* retrieve end address */
P3.H = _page_size_table; /* retrieve end address */
R3 = 0x1002; /* 16th - position, 2 bits -length */
-#ifdef ANOMALY_05000209
+#if ANOMALY_05000209
nop; /* Anomaly 05000209 */
#endif
R7 = EXTRACT(R1,R3.l);
@@ -475,8 +475,8 @@ ENTRY(_cplb_mgr)
* one space closer to the start.
*/
- R1.L = (DCPLB_DATA16 & 0xFFFF); /* DCPLB_DATA15 + 4 */
- R1.H = (DCPLB_DATA16 >> 16);
+ R1.L = LO(DCPLB_DATA16); /* DCPLB_DATA15 + 4 */
+ R1.H = HI(DCPLB_DATA16);
R0 = P0;
/* If the victim happens to be in DCPLB15,
@@ -549,8 +549,8 @@ ENTRY(_cplb_mgr)
* if necessary.
*/
- P1.L = (DCPLB_DATA15 & 0xFFFF);
- P1.H = (DCPLB_DATA15 >> 16);
+ P1.L = LO(DCPLB_DATA15);
+ P1.H = HI(DCPLB_DATA15);
/* If the DCPLB has cache bits set, but caching hasn't
* been enabled, then we want to mask off the cache-in-L1
@@ -565,7 +565,7 @@ ENTRY(_cplb_mgr)
* cost of first-write exceptions to mark the page as dirty.
*/
-#ifdef CONFIG_BLKFIN_WT
+#ifdef CONFIG_BFIN_WT
BITSET(R6, 14); /* Set WT*/
#endif
diff --git a/arch/blackfin/mach-common/dpmc.S b/arch/blackfin/mach-common/dpmc.S
index 97cdcd6a00d..39fbc286110 100644
--- a/arch/blackfin/mach-common/dpmc.S
+++ b/arch/blackfin/mach-common/dpmc.S
@@ -39,8 +39,8 @@ ENTRY(_unmask_wdog_wakeup_evt)
P0.H = hi(SICA_IWR1);
P0.L = lo(SICA_IWR1);
#else
- P0.h = (SIC_IWR >> 16);
- P0.l = (SIC_IWR & 0xFFFF);
+ P0.h = HI(SIC_IWR);
+ P0.l = LO(SIC_IWR);
#endif
R7 = [P0];
#if defined(CONFIG_BF561)
@@ -60,11 +60,11 @@ ENTRY(_unmask_wdog_wakeup_evt)
*/
R7 = 0x0000(z);
#if defined(CONFIG_BF561)
- P0.h = (WDOGA_STAT >> 16);
- P0.l = (WDOGA_STAT & 0xFFFF);
+ P0.h = HI(WDOGA_STAT);
+ P0.l = LO(WDOGA_STAT);
#else
- P0.h = (WDOG_STAT >> 16);
- P0.l = (WDOG_STAT & 0xFFFF);
+ P0.h = HI(WDOG_STAT);
+ P0.l = LO(WDOG_STAT);
#endif
[P0] = R7;
SSYNC;
@@ -73,21 +73,21 @@ ENTRY(_unmask_wdog_wakeup_evt)
ENTRY(_program_wdog_timer)
[--SP] = ( R7:0, P5:0 );
#if defined(CONFIG_BF561)
- P0.h = (WDOGA_CNT >> 16);
- P0.l = (WDOGA_CNT & 0xFFFF);
+ P0.h = HI(WDOGA_CNT);
+ P0.l = LO(WDOGA_CNT);
#else
- P0.h = (WDOG_CNT >> 16);
- P0.l = (WDOG_CNT & 0xFFFF);
+ P0.h = HI(WDOG_CNT);
+ P0.l = LO(WDOG_CNT);
#endif
[P0] = R0;
SSYNC;
#if defined(CONFIG_BF561)
- P0.h = (WDOGA_CTL >> 16);
- P0.l = (WDOGA_CTL & 0xFFFF);
+ P0.h = HI(WDOGA_CTL);
+ P0.l = LO(WDOGA_CTL);
#else
- P0.h = (WDOG_CTL >> 16);
- P0.l = (WDOG_CTL & 0xFFFF);
+ P0.h = HI(WDOG_CTL);
+ P0.l = LO(WDOG_CTL);
#endif
R7 = W[P0](Z);
CC = BITTST(R7,1);
@@ -97,11 +97,11 @@ ENTRY(_program_wdog_timer)
.LSKIP_WRITE_TO_STAT:
#if defined(CONFIG_BF561)
- P0.h = (WDOGA_CTL >> 16);
- P0.l = (WDOGA_CTL & 0xFFFF);
+ P0.h = HI(WDOGA_CTL);
+ P0.l = LO(WDOGA_CTL);
#else
- P0.h = (WDOG_CTL >> 16);
- P0.l = (WDOG_CTL & 0xFFFF);
+ P0.h = HI(WDOG_CTL);
+ P0.l = LO(WDOG_CTL);
#endif
R7 = W[P0](Z);
BITCLR(R7,1); /* Enable GP event */
@@ -122,11 +122,11 @@ ENTRY(_clear_wdog_wakeup_evt)
[--SP] = ( R7:0, P5:0 );
#if defined(CONFIG_BF561)
- P0.h = (WDOGA_CTL >> 16);
- P0.l = (WDOGA_CTL & 0xFFFF);
+ P0.h = HI(WDOGA_CTL);
+ P0.l = LO(WDOGA_CTL);
#else
- P0.h = (WDOG_CTL >> 16);
- P0.l = (WDOG_CTL & 0xFFFF);
+ P0.h = HI(WDOG_CTL);
+ P0.l = LO(WDOG_CTL);
#endif
R7 = 0x0AD6(Z);
W[P0] = R7.L;
@@ -149,11 +149,11 @@ ENTRY(_clear_wdog_wakeup_evt)
ENTRY(_disable_wdog_timer)
[--SP] = ( R7:0, P5:0 );
#if defined(CONFIG_BF561)
- P0.h = (WDOGA_CTL >> 16);
- P0.l = (WDOGA_CTL & 0xFFFF);
+ P0.h = HI(WDOGA_CTL);
+ P0.l = LO(WDOGA_CTL);
#else
- P0.h = (WDOG_CTL >> 16);
- P0.l = (WDOG_CTL & 0xFFFF);
+ P0.h = HI(WDOG_CTL);
+ P0.l = LO(WDOG_CTL);
#endif
R7 = 0xAD6(Z);
W[P0] = R7.L;
@@ -300,7 +300,7 @@ ENTRY(_sleep_deeper)
P0.H = hi(PLL_CTL);
P0.L = lo(PLL_CTL);
R5 = W[P0](z);
- R0.L = (MIN_VC/CONFIG_CLKIN_HZ) << 9;
+ R0.L = (CONFIG_MIN_VCO_HZ/CONFIG_CLKIN_HZ) << 9;
W[P0] = R0.l;
SSYNC;
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index d61bba98fb5..e3ad5802868 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -29,21 +29,7 @@
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-/*
- * 25-Dec-2004 - LG Soft India
- * 1. Fix in return_from_int, to make sure any pending
- * system call in ILAT for this process to get
- * executed, otherwise in case context switch happens,
- * system call of first process (i.e in ILAT) will be
- * carried forward to the switched process.
- * 2. Removed Constant references for the following
- * a. IPEND
- * b. EXCAUSE mask
- * c. PAGE Mask
- */
-
-/*
- * NOTE: This code handles signal-recognition, which happens every time
+/* NOTE: This code handles signal-recognition, which happens every time
* after a timer-interrupt and after each system call.
*/
@@ -58,6 +44,23 @@
#include <asm/mach-common/context.S>
+#if defined(CONFIG_BFIN_SCRATCH_REG_RETN)
+# define EX_SCRATCH_REG RETN
+#elif defined(CONFIG_BFIN_SCRATCH_REG_RETE)
+# define EX_SCRATCH_REG RETE
+#else
+# define EX_SCRATCH_REG CYCLES
+#endif
+
+#if ANOMALY_05000281
+ENTRY(_safe_speculative_execution)
+ NOP;
+ NOP;
+ NOP;
+ jump _safe_speculative_execution;
+ENDPROC(_safe_speculative_execution)
+#endif
+
#ifdef CONFIG_EXCPT_IRQ_SYSC_L1
.section .l1.text
#else
@@ -69,7 +72,7 @@
* patch up CPLB misses on the kernel stack.
*/
ENTRY(_ex_dcplb)
-#if defined(ANOMALY_05000261)
+#if ANOMALY_05000261
/*
* Work around an anomaly: if we see a new DCPLB fault, return
* without doing anything. Then, if we get the same fault again,
@@ -93,7 +96,7 @@ ENTRY(_ex_icplb)
call __cplb_hdr;
DEBUG_START_HWTRACE(p5, r7)
RESTORE_ALL_SYS
- SP = RETN;
+ SP = EX_SCRATCH_REG;
rtx;
ENDPROC(_ex_icplb)
@@ -102,7 +105,7 @@ ENTRY(_ex_syscall)
(R7:6,P5:4) = [sp++];
ASTAT = [sp++];
raise 15; /* invoked by TRAP #0, for sys call */
- sp = retn;
+ sp = EX_SCRATCH_REG;
rtx
ENDPROC(_ex_syscall)
@@ -135,9 +138,9 @@ ENTRY(_ex_single_step)
cc = r6 == r7;
if !cc jump _ex_trap_c;
-_return_from_exception:
+ENTRY(_return_from_exception)
DEBUG_START_HWTRACE(p5, r7)
-#ifdef ANOMALY_05000257
+#if ANOMALY_05000257
R7=LC0;
LC0=R7;
R7=LC1;
@@ -145,7 +148,7 @@ _return_from_exception:
#endif
(R7:6,P5:4) = [sp++];
ASTAT = [sp++];
- sp = retn;
+ sp = EX_SCRATCH_REG;
rtx;
ENDPROC(_ex_soft_bp)
@@ -163,7 +166,17 @@ ENTRY(_handle_bad_cplb)
[--sp] = ASTAT;
[--sp] = (R7:6, P5:4);
+ENTRY(_ex_replaceable)
+ nop;
+
ENTRY(_ex_trap_c)
+ /* Make sure we are not in a double fault */
+ p4.l = lo(IPEND);
+ p4.h = hi(IPEND);
+ r7 = [p4];
+ CC = BITTST (r7, 5);
+ if CC jump _double_fault;
+
/* Call C code (trap_c) to handle the exception, which most
* likely involves sending a signal to the current process.
* To avoid double faults, lower our priority to IRQ5 first.
@@ -204,11 +217,57 @@ ENTRY(_ex_trap_c)
DEBUG_START_HWTRACE(p5, r7)
(R7:6,P5:4) = [sp++];
ASTAT = [sp++];
- SP = RETN;
+ SP = EX_SCRATCH_REG;
raise 5;
rtx;
ENDPROC(_ex_trap_c)
+/* We just realized we got an exception, while we were processing a different
+ * exception. This is a unrecoverable event, so crash
+ */
+ENTRY(_double_fault)
+ /* Turn caches & protection off, to ensure we don't get any more
+ * double exceptions
+ */
+
+ P4.L = LO(IMEM_CONTROL);
+ P4.H = HI(IMEM_CONTROL);
+
+ R5 = [P4]; /* Control Register*/
+ BITCLR(R5,ENICPLB_P);
+ SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */
+ .align 8;
+ [P4] = R5;
+ SSYNC;
+
+ P4.L = LO(DMEM_CONTROL);
+ P4.H = HI(DMEM_CONTROL);
+ R5 = [P4];
+ BITCLR(R5,ENDCPLB_P);
+ SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */
+ .align 8;
+ [P4] = R5;
+ SSYNC;
+
+ /* Fix up the stack */
+ (R7:6,P5:4) = [sp++];
+ ASTAT = [sp++];
+ SP = EX_SCRATCH_REG;
+
+ /* We should be out of the exception stack, and back down into
+ * kernel or user space stack
+ */
+ SAVE_ALL_SYS
+
+ r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */
+ SP += -12;
+ call _double_fault_c;
+ SP += 12;
+.L_double_fault_panic:
+ JUMP .L_double_fault_panic
+
+ENDPROC(_double_fault)
+
ENTRY(_exception_to_level5)
SAVE_ALL_SYS
@@ -279,7 +338,7 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/
* covered by a CPLB. Switch to an exception stack; use RETN as a
* scratch register (for want of a better option).
*/
- retn = sp;
+ EX_SCRATCH_REG = sp;
sp.l = _exception_stack_top;
sp.h = _exception_stack_top;
/* Try to deal with syscalls quickly. */
@@ -290,8 +349,8 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/
r6.l = lo(SEQSTAT_EXCAUSE);
r6.h = hi(SEQSTAT_EXCAUSE);
r7 = r7 & r6;
- p5.h = _extable;
- p5.l = _extable;
+ p5.h = _ex_table;
+ p5.l = _ex_table;
p4 = r7;
p5 = p5 + (p4 << 2);
p4 = [p5];
@@ -634,9 +693,9 @@ ENTRY(_return_from_int)
p1.h = _schedule_and_signal_from_int;
[p0] = p1;
csync;
-#if defined(ANOMALY_05000281)
- r0.l = lo(CONFIG_BOOT_LOAD);
- r0.h = hi(CONFIG_BOOT_LOAD);
+#if ANOMALY_05000281
+ r0.l = _safe_speculative_execution;
+ r0.h = _safe_speculative_execution;
reti = r0;
#endif
r0 = 0x801f (z);
@@ -648,9 +707,9 @@ ENTRY(_return_from_int)
ENDPROC(_return_from_int)
ENTRY(_lower_to_irq14)
-#if defined(ANOMALY_05000281)
- r0.l = lo(CONFIG_BOOT_LOAD);
- r0.h = hi(CONFIG_BOOT_LOAD);
+#if ANOMALY_05000281
+ r0.l = _safe_speculative_execution;
+ r0.h = _safe_speculative_execution;
reti = r0;
#endif
r0 = 0x401f;
@@ -731,6 +790,114 @@ ENTRY(_init_exception_buff)
rts;
ENDPROC(_init_exception_buff)
+/* We handle this 100% in exception space - to reduce overhead
+ * Only potiential problem is if the software buffer gets swapped out of the
+ * CPLB table - then double fault. - so we don't let this happen in other places
+ */
+#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
+ENTRY(_ex_trace_buff_full)
+ [--sp] = P3;
+ [--sp] = P2;
+ [--sp] = LC0;
+ [--sp] = LT0;
+ [--sp] = LB0;
+ P5.L = _trace_buff_offset;
+ P5.H = _trace_buff_offset;
+ P3 = [P5]; /* trace_buff_offset */
+ P5.L = lo(TBUFSTAT);
+ P5.H = hi(TBUFSTAT);
+ R7 = [P5];
+ R7 <<= 1; /* double, since we need to read twice */
+ LC0 = R7;
+ R7 <<= 2; /* need to shift over again,
+ * to get the number of bytes */
+ P5.L = lo(TBUF);
+ P5.H = hi(TBUF);
+ R6 = ((1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN)*1024) - 1;
+
+ P2 = R7;
+ P3 = P3 + P2;
+ R7 = P3;
+ R7 = R7 & R6;
+ P3 = R7;
+ P2.L = _trace_buff_offset;
+ P2.H = _trace_buff_offset;
+ [P2] = P3;
+
+ P2.L = _software_trace_buff;
+ P2.H = _software_trace_buff;
+
+ LSETUP (.Lstart, .Lend) LC0;
+.Lstart:
+ R7 = [P5]; /* read TBUF */
+ P4 = P3 + P2;
+ [P4] = R7;
+ P3 += -4;
+ R7 = P3;
+ R7 = R7 & R6;
+.Lend:
+ P3 = R7;
+
+ LB0 = [sp++];
+ LT0 = [sp++];
+ LC0 = [sp++];
+ P2 = [sp++];
+ P3 = [sp++];
+ jump _return_from_exception;
+ENDPROC(_ex_trace_buff_full)
+
+#if CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN == 4
+.data
+#else
+.section .l1.data.B
+#endif /* CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN */
+ENTRY(_trace_buff_offset)
+ .long 0;
+ALIGN
+ENTRY(_software_trace_buff)
+ .rept ((1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN)*256);
+ .long 0
+ .endr
+#endif /* CONFIG_DEBUG_BFIN_HWTRACE_EXPAND */
+
+#if CONFIG_EARLY_PRINTK
+.section .init.text
+ENTRY(_early_trap)
+ SAVE_ALL_SYS
+ trace_buffer_stop(p0,r0);
+
+ /* Turn caches off, to ensure we don't get double exceptions */
+
+ P4.L = LO(IMEM_CONTROL);
+ P4.H = HI(IMEM_CONTROL);
+
+ R5 = [P4]; /* Control Register*/
+ BITCLR(R5,ENICPLB_P);
+ CLI R1;
+ SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */
+ .align 8;
+ [P4] = R5;
+ SSYNC;
+
+ P4.L = LO(DMEM_CONTROL);
+ P4.H = HI(DMEM_CONTROL);
+ R5 = [P4];
+ BITCLR(R5,ENDCPLB_P);
+ SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */
+ .align 8;
+ [P4] = R5;
+ SSYNC;
+ STI R1;
+
+ r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */
+ r1 = RETX;
+
+ SP += -12;
+ call _early_trap_c;
+ SP += 12;
+ENDPROC(_early_trap)
+#endif /* CONFIG_EARLY_PRINTK */
+
/*
* Put these in the kernel data section - that should always be covered by
* a CPLB. This is needed to ensure we don't get double fault conditions
@@ -741,30 +908,33 @@ ENDPROC(_init_exception_buff)
#else
.data
#endif
-ALIGN
-_extable:
+ENTRY(_ex_table)
/* entry for each EXCAUSE[5:0]
* This table must be in sync with the table in ./kernel/traps.c
* EXCPT instruction can provide 4 bits of EXCAUSE, allowing 16 to be user defined
*/
- .long _ex_syscall; /* 0x00 - User Defined - Linux Syscall */
+ .long _ex_syscall /* 0x00 - User Defined - Linux Syscall */
.long _ex_soft_bp /* 0x01 - User Defined - Software breakpoint */
- .long _ex_trap_c /* 0x02 - User Defined */
+ .long _ex_replaceable /* 0x02 - User Defined */
.long _ex_trap_c /* 0x03 - User Defined - userspace stack overflow */
- .long _ex_trap_c /* 0x04 - User Defined */
- .long _ex_trap_c /* 0x05 - User Defined */
- .long _ex_trap_c /* 0x06 - User Defined */
- .long _ex_trap_c /* 0x07 - User Defined */
- .long _ex_trap_c /* 0x08 - User Defined */
- .long _ex_trap_c /* 0x09 - User Defined */
- .long _ex_trap_c /* 0x0A - User Defined */
- .long _ex_trap_c /* 0x0B - User Defined */
- .long _ex_trap_c /* 0x0C - User Defined */
- .long _ex_trap_c /* 0x0D - User Defined */
- .long _ex_trap_c /* 0x0E - User Defined */
- .long _ex_trap_c /* 0x0F - User Defined */
+ .long _ex_replaceable /* 0x04 - User Defined */
+ .long _ex_replaceable /* 0x05 - User Defined */
+ .long _ex_replaceable /* 0x06 - User Defined */
+ .long _ex_replaceable /* 0x07 - User Defined */
+ .long _ex_replaceable /* 0x08 - User Defined */
+ .long _ex_replaceable /* 0x09 - User Defined */
+ .long _ex_replaceable /* 0x0A - User Defined */
+ .long _ex_replaceable /* 0x0B - User Defined */
+ .long _ex_replaceable /* 0x0C - User Defined */
+ .long _ex_replaceable /* 0x0D - User Defined */
+ .long _ex_replaceable /* 0x0E - User Defined */
+ .long _ex_replaceable /* 0x0F - User Defined */
.long _ex_single_step /* 0x10 - HW Single step */
+#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
+ .long _ex_trace_buff_full /* 0x11 - Trace Buffer Full */
+#else
.long _ex_trap_c /* 0x11 - Trace Buffer Full */
+#endif
.long _ex_trap_c /* 0x12 - Reserved */
.long _ex_trap_c /* 0x13 - Reserved */
.long _ex_trap_c /* 0x14 - Reserved */
@@ -812,10 +982,10 @@ _extable:
.long _ex_trap_c /* 0x3D - Reserved */
.long _ex_trap_c /* 0x3E - Reserved */
.long _ex_trap_c /* 0x3F - Reserved */
+END(_ex_table)
-ALIGN
ENTRY(_sys_call_table)
- .long _sys_ni_syscall /* 0 - old "setup()" system call*/
+ .long _sys_restart_syscall /* 0 */
.long _sys_exit
.long _sys_fork
.long _sys_read
@@ -978,13 +1148,13 @@ ENTRY(_sys_call_table)
.long _sys_sched_get_priority_min /* 160 */
.long _sys_sched_rr_get_interval
.long _sys_nanosleep
- .long _sys_ni_syscall /* sys_mremap */
+ .long _sys_mremap
.long _sys_setresuid /* setresuid16 */
.long _sys_getresuid /* getresuid16 */ /* 165 */
.long _sys_ni_syscall /* for vm86 */
.long _sys_ni_syscall /* old "query_module" */
.long _sys_ni_syscall /* sys_poll */
- .long _sys_ni_syscall /* sys_nfsservctl */
+ .long _sys_nfsservctl
.long _sys_setresgid /* setresgid16 */ /* 170 */
.long _sys_getresgid /* getresgid16 */
.long _sys_prctl
@@ -1040,7 +1210,7 @@ ENTRY(_sys_call_table)
.long _sys_ni_syscall /* reserved for TUX */
.long _sys_ni_syscall
.long _sys_gettid
- .long _sys_ni_syscall /* 225 */ /* sys_readahead */
+ .long _sys_readahead /* 225 */
.long _sys_setxattr
.long _sys_lsetxattr
.long _sys_fsetxattr
@@ -1157,6 +1327,21 @@ ENTRY(_sys_call_table)
.long _sys_shmctl
.long _sys_shmdt /* 340 */
.long _sys_shmget
+ .long _sys_splice
+ .long _sys_sync_file_range
+ .long _sys_tee
+ .long _sys_vmsplice /* 345 */
+ .long _sys_epoll_pwait
+ .long _sys_utimensat
+ .long _sys_signalfd
+ .long _sys_timerfd
+ .long _sys_eventfd /* 350 */
+ .long _sys_pread64
+ .long _sys_pwrite64
+ .long _sys_fadvise64
+ .long _sys_set_robust_list
+ .long _sys_get_robust_list /* 355 */
+ .long _sys_fallocate
.rept NR_syscalls-(.-_sys_call_table)/4
.long _sys_ni_syscall
.endr
@@ -1169,7 +1354,7 @@ _exception_stack:
.endr
_exception_stack_top:
-#if defined(ANOMALY_05000261)
+#if ANOMALY_05000261
/* Used by the assembly entry point to work around an anomaly. */
_last_cplb_fault_retx:
.long 0;
diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index 203e2070916..c6b32fe0f6e 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -46,30 +46,6 @@
.align 4 /* just in case */
-/*
- * initial interrupt handlers
- */
-
-#ifndef CONFIG_KGDB
- /* interrupt routine for emulation - 0 */
- /* Currently used only if GDB stub is not in - invalid */
- /* gdb-stub set the evt itself */
- /* save registers for post-mortem only */
-ENTRY(_evt_emulation)
- SAVE_ALL_SYS
-#ifdef CONFIG_FRAME_POINTER
- fp = 0;
-#endif
- r0 = IRQ_EMU;
- r1 = sp;
- SP += -12;
- call _irq_panic;
- SP += 12;
- /* - GDB stub fills this in by itself (if defined) */
- rte;
-ENDPROC(_evt_emulation)
-#endif
-
/* Common interrupt entry code. First we do CLI, then push
* RETI, to keep interrupts disabled, but to allow this state to be changed
* by local_bh_enable.
@@ -140,7 +116,7 @@ __common_int_entry:
fp = 0;
#endif
-#if defined (ANOMALY_05000283) || defined (ANOMALY_05000315)
+#if ANOMALY_05000283 || ANOMALY_05000315
cc = r7 == r7;
p5.h = 0xffc0;
p5.l = 0x0014;
@@ -163,7 +139,7 @@ ENTRY(_evt_ivhw)
#ifdef CONFIG_FRAME_POINTER
fp = 0;
#endif
-#ifdef ANOMALY_05000283
+#if ANOMALY_05000283
cc = r7 == r7;
p5.h = 0xffc0;
p5.l = 0x0014;
@@ -201,27 +177,15 @@ ENTRY(_evt_ivhw)
jump .Lcommon_restore_context;
#endif
-/* interrupt routine for evt2 - 2. This is NMI. */
-ENTRY(_evt_evt2)
- SAVE_CONTEXT
-#ifdef CONFIG_FRAME_POINTER
- fp = 0;
-#endif
-#ifdef ANOMALY_05000283
- cc = r7 == r7;
- p5.h = 0xffc0;
- p5.l = 0x0014;
- if cc jump 1f;
- r7.l = W[p5];
-1:
-#endif
- r0 = IRQ_NMI;
- r1 = sp;
- SP += -12;
- call _asm_do_IRQ;
- SP += 12;
- RESTORE_CONTEXT
+/* Interrupt routine for evt2 (NMI).
+ * We don't actually use this, so just return.
+ * For inner circle type details, please see:
+ * http://docs.blackfin.uclinux.org/doku.php?id=linux:nmi
+ */
+ENTRY(_evt_nmi)
+.weak _evt_nmi
rtn;
+ENDPROC(_evt_nmi)
/* interrupt routine for core timer - 6 */
ENTRY(_evt_timer)
diff --git a/arch/blackfin/mach-common/ints-priority-dc.c b/arch/blackfin/mach-common/ints-priority-dc.c
index 6b9fd03ce83..2db3546fc87 100644
--- a/arch/blackfin/mach-common/ints-priority-dc.c
+++ b/arch/blackfin/mach-common/ints-priority-dc.c
@@ -221,7 +221,7 @@ static unsigned int bf561_gpio_irq_startup(unsigned int irq)
if (!(gpio_enabled[gpio_bank(gpionr)] & gpio_bit(gpionr))) {
- ret = gpio_request(gpionr, NULL);
+ ret = gpio_request(gpionr, "IRQ");
if (ret)
return ret;
@@ -261,7 +261,7 @@ static int bf561_gpio_irq_type(unsigned int irq, unsigned int type)
if (!(gpio_enabled[gpio_bank(gpionr)] & gpio_bit(gpionr))) {
- ret = gpio_request(gpionr, NULL);
+ ret = gpio_request(gpionr, "IRQ");
if (ret)
return ret;
@@ -358,6 +358,30 @@ static void bf561_demux_gpio_irq(unsigned int inta_irq,
#endif /* CONFIG_IRQCHIP_DEMUX_GPIO */
+void __init init_exception_vectors(void)
+{
+ SSYNC();
+
+ /* cannot program in software:
+ * evt0 - emulation (jtag)
+ * evt1 - reset
+ */
+ bfin_write_EVT2(evt_nmi);
+ bfin_write_EVT3(trap);
+ bfin_write_EVT5(evt_ivhw);
+ bfin_write_EVT6(evt_timer);
+ bfin_write_EVT7(evt_evt7);
+ bfin_write_EVT8(evt_evt8);
+ bfin_write_EVT9(evt_evt9);
+ bfin_write_EVT10(evt_evt10);
+ bfin_write_EVT11(evt_evt11);
+ bfin_write_EVT12(evt_evt12);
+ bfin_write_EVT13(evt_evt13);
+ bfin_write_EVT14(evt14_softirq);
+ bfin_write_EVT15(evt_system_call);
+ CSYNC();
+}
+
/*
* This function should be called during kernel startup to initialize
* the BFin IRQ handling routines.
@@ -378,24 +402,6 @@ int __init init_arch_irq(void)
init_exception_buff();
-#ifndef CONFIG_KGDB
- bfin_write_EVT0(evt_emulation);
-#endif
- bfin_write_EVT2(evt_evt2);
- bfin_write_EVT3(trap);
- bfin_write_EVT5(evt_ivhw);
- bfin_write_EVT6(evt_timer);
- bfin_write_EVT7(evt_evt7);
- bfin_write_EVT8(evt_evt8);
- bfin_write_EVT9(evt_evt9);
- bfin_write_EVT10(evt_evt10);
- bfin_write_EVT11(evt_evt11);
- bfin_write_EVT12(evt_evt12);
- bfin_write_EVT13(evt_evt13);
- bfin_write_EVT14(evt14_softirq);
- bfin_write_EVT15(evt_system_call);
- CSYNC();
-
for (irq = 0; irq <= SYS_IRQS; irq++) {
if (irq <= IRQ_CORETMR)
set_irq_chip(irq, &bf561_core_irqchip);
diff --git a/arch/blackfin/mach-common/ints-priority-sc.c b/arch/blackfin/mach-common/ints-priority-sc.c
index 28a878c3577..d3b7672b2b9 100644
--- a/arch/blackfin/mach-common/ints-priority-sc.c
+++ b/arch/blackfin/mach-common/ints-priority-sc.c
@@ -343,7 +343,7 @@ static unsigned int bfin_gpio_irq_startup(unsigned int irq)
u16 gpionr = irq - IRQ_PF0;
if (!(gpio_enabled[gpio_bank(gpionr)] & gpio_bit(gpionr))) {
- ret = gpio_request(gpionr, NULL);
+ ret = gpio_request(gpionr, "IRQ");
if (ret)
return ret;
}
@@ -377,7 +377,7 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type)
if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING |
IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) {
if (!(gpio_enabled[gpio_bank(gpionr)] & gpio_bit(gpionr))) {
- ret = gpio_request(gpionr, NULL);
+ ret = gpio_request(gpionr, "IRQ");
if (ret)
return ret;
}
@@ -579,11 +579,15 @@ static unsigned int bfin_gpio_irq_startup(unsigned int irq)
u16 gpionr = irq - IRQ_PA0;
u8 pint_val = irq2pint_lut[irq - SYS_IRQS];
- if (pint_val == IRQ_NOT_AVAIL)
+ if (pint_val == IRQ_NOT_AVAIL) {
+ printk(KERN_ERR
+ "GPIO IRQ %d :Not in PINT Assign table "
+ "Reconfigure Interrupt to Port Assignemt\n", irq);
return -ENODEV;
+ }
if (!(gpio_enabled[gpio_bank(gpionr)] & gpio_bit(gpionr))) {
- ret = gpio_request(gpionr, NULL);
+ ret = gpio_request(gpionr, "IRQ");
if (ret)
return ret;
}
@@ -623,7 +627,7 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type)
if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING |
IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) {
if (!(gpio_enabled[gpio_bank(gpionr)] & gpio_bit(gpionr))) {
- ret = gpio_request(gpionr, NULL);
+ ret = gpio_request(gpionr, "IRQ");
if (ret)
return ret;
}
@@ -713,6 +717,30 @@ static void bfin_demux_gpio_irq(unsigned int intb_irq,
}
#endif /* CONFIG_IRQCHIP_DEMUX_GPIO */
+void __init init_exception_vectors(void)
+{
+ SSYNC();
+
+ /* cannot program in software:
+ * evt0 - emulation (jtag)
+ * evt1 - reset
+ */
+ bfin_write_EVT2(evt_nmi);
+ bfin_write_EVT3(trap);
+ bfin_write_EVT5(evt_ivhw);
+ bfin_write_EVT6(evt_timer);
+ bfin_write_EVT7(evt_evt7);
+ bfin_write_EVT8(evt_evt8);
+ bfin_write_EVT9(evt_evt9);
+ bfin_write_EVT10(evt_evt10);
+ bfin_write_EVT11(evt_evt11);
+ bfin_write_EVT12(evt_evt12);
+ bfin_write_EVT13(evt_evt13);
+ bfin_write_EVT14(evt14_softirq);
+ bfin_write_EVT15(evt_system_call);
+ CSYNC();
+}
+
/*
* This function should be called during kernel startup to initialize
* the BFin IRQ handling routines.
@@ -733,29 +761,10 @@ int __init init_arch_irq(void)
bfin_write_SIC_IMASK(SIC_UNMASK_ALL);
bfin_write_SIC_IWR(IWR_ENABLE_ALL);
#endif
-
SSYNC();
local_irq_disable();
-#ifndef CONFIG_KGDB
- bfin_write_EVT0(evt_emulation);
-#endif
- bfin_write_EVT2(evt_evt2);
- bfin_write_EVT3(trap);
- bfin_write_EVT5(evt_ivhw);
- bfin_write_EVT6(evt_timer);
- bfin_write_EVT7(evt_evt7);
- bfin_write_EVT8(evt_evt8);
- bfin_write_EVT9(evt_evt9);
- bfin_write_EVT10(evt_evt10);
- bfin_write_EVT11(evt_evt11);
- bfin_write_EVT12(evt_evt12);
- bfin_write_EVT13(evt_evt13);
- bfin_write_EVT14(evt14_softirq);
- bfin_write_EVT15(evt_system_call);
- CSYNC();
-
#if defined(CONFIG_IRQCHIP_DEMUX_GPIO) && defined(CONFIG_BF54x)
#ifdef CONFIG_PINTx_REASSIGN
pint[0]->assign = CONFIG_PINT0_ASSIGN;
diff --git a/arch/blackfin/mach-common/lock.S b/arch/blackfin/mach-common/lock.S
index 386ac8dda07..28b87fe9ce3 100644
--- a/arch/blackfin/mach-common/lock.S
+++ b/arch/blackfin/mach-common/lock.S
@@ -33,7 +33,7 @@
.text
-#ifdef CONFIG_BLKFIN_CACHE_LOCK
+#ifdef CONFIG_BFIN_ICACHE_LOCK
/* When you come here, it is assumed that
* R0 - Which way to be locked
@@ -43,12 +43,12 @@ ENTRY(_cache_grab_lock)
[--SP]=( R7:0,P5:0 );
- P1.H = (IMEM_CONTROL >> 16);
- P1.L = (IMEM_CONTROL & 0xFFFF);
- P5.H = (ICPLB_ADDR0 >> 16);
- P5.L = (ICPLB_ADDR0 & 0xFFFF);
- P4.H = (ICPLB_DATA0 >> 16);
- P4.L = (ICPLB_DATA0 & 0xFFFF);
+ P1.H = HI(IMEM_CONTROL);
+ P1.L = LO(IMEM_CONTROL);
+ P5.H = HI(ICPLB_ADDR0);
+ P5.L = LO(ICPLB_ADDR0);
+ P4.H = HI(ICPLB_DATA0);
+ P4.L = LO(ICPLB_DATA0);
R7 = R0;
/* If the code of interest already resides in the cache
@@ -167,8 +167,8 @@ ENTRY(_cache_lock)
[--SP]=( R7:0,P5:0 );
- P1.H = (IMEM_CONTROL >> 16);
- P1.L = (IMEM_CONTROL & 0xFFFF);
+ P1.H = HI(IMEM_CONTROL);
+ P1.L = LO(IMEM_CONTROL);
/* Disable the Interrupts*/
CLI R3;
@@ -189,14 +189,14 @@ ENTRY(_cache_lock)
RTS;
ENDPROC(_cache_lock)
-#endif /* BLKFIN_CACHE_LOCK */
+#endif /* BFIN_ICACHE_LOCK */
/* Return the ILOC bits of IMEM_CONTROL
*/
ENTRY(_read_iloc)
- P1.H = (IMEM_CONTROL >> 16);
- P1.L = (IMEM_CONTROL & 0xFFFF);
+ P1.H = HI(IMEM_CONTROL);
+ P1.L = LO(IMEM_CONTROL);
R1 = 0xF;
R0 = [P1];
R0 = R0 >> 3;
diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c
index 1772d8d2c1a..b1030272220 100644
--- a/arch/blackfin/mach-common/pm.c
+++ b/arch/blackfin/mach-common/pm.c
@@ -158,10 +158,16 @@ static int bfin_pm_finish(suspend_state_t state)
return 0;
}
+static int bfin_pm_valid(suspend_state_t state)
+{
+ return (state == PM_SUSPEND_STANDBY);
+}
+
struct pm_ops bfin_pm_ops = {
.prepare = bfin_pm_prepare,
.enter = bfin_pm_enter,
.finish = bfin_pm_finish,
+ .valid = bfin_pm_valid,
};
static int __init bfin_pm_init(void)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-29 14:27:17 +0000