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authorLinus Torvalds <torvalds@linux-foundation.org>2009-07-20 16:46:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-20 16:46:49 -0700
commitae42b9e1ca8969d52e51f5e461b2e89e180943dd (patch)
tree50d923090281ff611e7019d84daac8d051a18efd /arch
parent6cdbf734493d6e8f5afc6f539b82897772809d43 (diff)
parent6843f405da9d0adf734d8f695311e29cc92a220c (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (21 commits) Blackfin: define HARDIRQ_BITS again for now arch/blackfin: Add kmalloc NULL tests Blackfin: add CPLB entries for Core B on-chip L1 SRAM regions Blackfin: work around anomaly 05000189 Blackfin: drop per-cpu loops_per_jiffy tracking Blackfin: fix bugs in GPIO resume code Blackfin: bf537-stamp: fix irq decl for AD7142 Blackfin: fix handling of IPEND in interrupt context save Blackfin: drop duplicate runtime checking of anomaly 05000448 Blackfin: fix incomplete renaming of the bfin-twi-lcd driver Blackfin: fix wrong CTS inversion Blackfin: update handling of anomaly 364 (wrong rev id in BF527-0.1) Blackfin: fix early_dma_memcpy() handling of busy channels Blackfin: handle BF561 Core B memory regions better when SMP=n Blackfin: fix miscompilation in lshrdi3 Blackfin: fix silent crash when no uClinux MTD filesystem exists Blackfin: restore exception banner when dumping crash info Blackfin: work around anomaly 05000281 Blackfin: update anomaly lists to match latest sheets/usage Blackfin: drop dead flash_probe call ...
Diffstat (limited to 'arch')
-rw-r--r--arch/blackfin/include/asm/context.S7
-rw-r--r--arch/blackfin/include/asm/cpu.h1
-rw-r--r--arch/blackfin/include/asm/hardirq.h3
-rw-r--r--arch/blackfin/include/asm/processor.h21
-rw-r--r--arch/blackfin/kernel/bfin_dma_5xx.c29
-rw-r--r--arch/blackfin/kernel/bfin_gpio.c6
-rw-r--r--arch/blackfin/kernel/cplb-nompu/cplbinit.c23
-rw-r--r--arch/blackfin/kernel/process.c14
-rw-r--r--arch/blackfin/kernel/setup.c44
-rw-r--r--arch/blackfin/kernel/traps.c9
-rw-r--r--arch/blackfin/lib/lshrdi3.c16
-rw-r--r--arch/blackfin/mach-bf518/boards/ezbrd.c2
-rw-r--r--arch/blackfin/mach-bf518/include/mach/anomaly.h2
-rw-r--r--arch/blackfin/mach-bf527/boards/cm_bf527.c2
-rw-r--r--arch/blackfin/mach-bf527/boards/ezbrd.c2
-rw-r--r--arch/blackfin/mach-bf527/boards/ezkit.c2
-rw-r--r--arch/blackfin/mach-bf527/include/mach/anomaly.h4
-rw-r--r--arch/blackfin/mach-bf533/boards/stamp.c2
-rw-r--r--arch/blackfin/mach-bf533/include/mach/anomaly.h1
-rw-r--r--arch/blackfin/mach-bf537/boards/stamp.c4
-rw-r--r--arch/blackfin/mach-bf537/include/mach/anomaly.h2
-rw-r--r--arch/blackfin/mach-bf538/include/mach/anomaly.h2
-rw-r--r--arch/blackfin/mach-bf548/boards/ezkit.c2
-rw-r--r--arch/blackfin/mach-bf548/include/mach/anomaly.h2
-rw-r--r--arch/blackfin/mach-bf561/include/mach/anomaly.h1
-rw-r--r--arch/blackfin/mach-bf561/include/mach/mem_map.h23
-rw-r--r--arch/blackfin/mach-common/entry.S12
-rw-r--r--arch/blackfin/mach-common/smp.c10
28 files changed, 139 insertions, 109 deletions
diff --git a/arch/blackfin/include/asm/context.S b/arch/blackfin/include/asm/context.S
index 16561ab18b3..f8a664f022b 100644
--- a/arch/blackfin/include/asm/context.S
+++ b/arch/blackfin/include/asm/context.S
@@ -223,9 +223,10 @@
[--sp] = RETN;
[--sp] = RETE;
[--sp] = SEQSTAT;
-#ifdef CONFIG_KGDB
- r1.l = lo(IPEND);
- r1.h = hi(IPEND);
+#ifdef CONFIG_DEBUG_KERNEL
+ p1.l = lo(IPEND);
+ p1.h = hi(IPEND);
+ r1 = [p1];
[--sp] = r1;
#else
[--sp] = r0; /* Skip IPEND as well. */
diff --git a/arch/blackfin/include/asm/cpu.h b/arch/blackfin/include/asm/cpu.h
index 565b8136855..fadfa82f93b 100644
--- a/arch/blackfin/include/asm/cpu.h
+++ b/arch/blackfin/include/asm/cpu.h
@@ -32,7 +32,6 @@ struct blackfin_cpudata {
struct task_struct *idle;
unsigned int imemctl;
unsigned int dmemctl;
- unsigned long loops_per_jiffy;
unsigned long dcache_invld_count;
unsigned long icache_invld_count;
};
diff --git a/arch/blackfin/include/asm/hardirq.h b/arch/blackfin/include/asm/hardirq.h
index cbd52f86bb9..0b78b873df5 100644
--- a/arch/blackfin/include/asm/hardirq.h
+++ b/arch/blackfin/include/asm/hardirq.h
@@ -6,6 +6,9 @@
extern void ack_bad_irq(unsigned int irq);
#define ack_bad_irq ack_bad_irq
+/* Define until common code gets sane defaults */
+#define HARDIRQ_BITS 9
+
#include <asm-generic/hardirq.h>
#endif
diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h
index d0be99be830..a36ad8dac06 100644
--- a/arch/blackfin/include/asm/processor.h
+++ b/arch/blackfin/include/asm/processor.h
@@ -105,23 +105,16 @@ static inline uint32_t __pure bfin_revid(void)
/* Always use CHIPID, to work around ANOMALY_05000234 */
uint32_t revid = (bfin_read_CHIPID() & CHIPID_VERSION) >> 28;
-#ifdef CONFIG_BF52x
- /* ANOMALY_05000357
+#ifdef _BOOTROM_GET_DXE_ADDRESS_TWI
+ /*
+ * ANOMALY_05000364
* Incorrect Revision Number in DSPID Register
*/
- if (revid == 0)
- switch (bfin_read16(_BOOTROM_GET_DXE_ADDRESS_TWI)) {
- case 0x0010:
- revid = 0;
- break;
- case 0x2796:
- revid = 1;
- break;
- default:
- revid = 0xFFFF;
- break;
- }
+ if (ANOMALY_05000364 &&
+ bfin_read16(_BOOTROM_GET_DXE_ADDRESS_TWI) == 0x2796)
+ revid = 1;
#endif
+
return revid;
}
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index e0bf8cc0690..9f9b8281665 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -253,32 +253,31 @@ void __init early_dma_memcpy(void *pdst, const void *psrc, size_t size)
BUG_ON(src % 4);
BUG_ON(size % 4);
- /* Force a sync in case a previous config reset on this channel
- * occurred. This is needed so subsequent writes to DMA registers
- * are not spuriously lost/corrupted.
- */
- __builtin_bfin_ssync();
-
src_ch = 0;
/* Find an avalible memDMA channel */
while (1) {
- if (!src_ch || src_ch == (struct dma_register *)MDMA_S1_NEXT_DESC_PTR) {
- dst_ch = (struct dma_register *)MDMA_D0_NEXT_DESC_PTR;
- src_ch = (struct dma_register *)MDMA_S0_NEXT_DESC_PTR;
- } else {
+ if (src_ch == (struct dma_register *)MDMA_S0_NEXT_DESC_PTR) {
dst_ch = (struct dma_register *)MDMA_D1_NEXT_DESC_PTR;
src_ch = (struct dma_register *)MDMA_S1_NEXT_DESC_PTR;
+ } else {
+ dst_ch = (struct dma_register *)MDMA_D0_NEXT_DESC_PTR;
+ src_ch = (struct dma_register *)MDMA_S0_NEXT_DESC_PTR;
}
- if (!bfin_read16(&src_ch->cfg)) {
+ if (!bfin_read16(&src_ch->cfg))
+ break;
+ else if (bfin_read16(&dst_ch->irq_status) & DMA_DONE) {
+ bfin_write16(&src_ch->cfg, 0);
break;
- } else {
- if (bfin_read16(&src_ch->irq_status) & DMA_DONE)
- bfin_write16(&src_ch->cfg, 0);
}
-
}
+ /* Force a sync in case a previous config reset on this channel
+ * occurred. This is needed so subsequent writes to DMA registers
+ * are not spuriously lost/corrupted.
+ */
+ __builtin_bfin_ssync();
+
/* Destination */
bfin_write32(&dst_ch->start_addr, dst);
bfin_write16(&dst_ch->x_count, size >> 2);
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index beffa00a93c..6b944627137 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -686,14 +686,12 @@ void bfin_gpio_pm_hibernate_restore(void)
*port_fer[bank] = gpio_bank_saved[bank].fer;
#endif
gpio_array[bank]->inen = gpio_bank_saved[bank].inen;
+ gpio_array[bank]->data_set = gpio_bank_saved[bank].data
+ & gpio_bank_saved[bank].dir;
gpio_array[bank]->dir = gpio_bank_saved[bank].dir;
gpio_array[bank]->polar = gpio_bank_saved[bank].polar;
gpio_array[bank]->edge = gpio_bank_saved[bank].edge;
gpio_array[bank]->both = gpio_bank_saved[bank].both;
-
- gpio_array[bank]->data_set = gpio_bank_saved[bank].data
- | gpio_bank_saved[bank].dir;
-
gpio_array[bank]->maska = gpio_bank_saved[bank].maska;
}
AWA_DUMMY_READ(maska);
diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
index d6c067782e6..685f160a5a3 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
@@ -72,13 +72,24 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
}
/* Cover L1 memory. One 4M area for code and data each is enough. */
- if (L1_DATA_A_LENGTH || L1_DATA_B_LENGTH) {
- d_tbl[i_d].addr = L1_DATA_A_START;
- d_tbl[i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB;
+ if (cpu == 0) {
+ if (L1_DATA_A_LENGTH || L1_DATA_B_LENGTH) {
+ d_tbl[i_d].addr = L1_DATA_A_START;
+ d_tbl[i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB;
+ }
+ i_tbl[i_i].addr = L1_CODE_START;
+ i_tbl[i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB;
}
- i_tbl[i_i].addr = L1_CODE_START;
- i_tbl[i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB;
-
+#ifdef CONFIG_SMP
+ else {
+ if (L1_DATA_A_LENGTH || L1_DATA_B_LENGTH) {
+ d_tbl[i_d].addr = COREB_L1_DATA_A_START;
+ d_tbl[i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB;
+ }
+ i_tbl[i_i].addr = COREB_L1_CODE_START;
+ i_tbl[i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB;
+ }
+#endif
first_switched_dcplb = i_d;
first_switched_icplb = i_i;
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 79cad0ac589..9da36bab7cc 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -361,7 +361,7 @@ static inline
int in_mem_const(unsigned long addr, unsigned long size,
unsigned long const_addr, unsigned long const_size)
{
- return in_mem_const_off(addr, 0, size, const_addr, const_size);
+ return in_mem_const_off(addr, size, 0, const_addr, const_size);
}
#define IN_ASYNC(bnum, bctlnum) \
({ \
@@ -390,13 +390,13 @@ int bfin_mem_access_type(unsigned long addr, unsigned long size)
if (in_mem_const(addr, size, L1_DATA_B_START, L1_DATA_B_LENGTH))
return cpu == 0 ? BFIN_MEM_ACCESS_CORE : BFIN_MEM_ACCESS_IDMA;
#ifdef COREB_L1_CODE_START
- if (in_mem_const(addr, size, COREB_L1_CODE_START, L1_CODE_LENGTH))
+ if (in_mem_const(addr, size, COREB_L1_CODE_START, COREB_L1_CODE_LENGTH))
return cpu == 1 ? BFIN_MEM_ACCESS_ITEST : BFIN_MEM_ACCESS_IDMA;
if (in_mem_const(addr, size, COREB_L1_SCRATCH_START, L1_SCRATCH_LENGTH))
return cpu == 1 ? BFIN_MEM_ACCESS_CORE_ONLY : -EFAULT;
- if (in_mem_const(addr, size, COREB_L1_DATA_A_START, L1_DATA_A_LENGTH))
+ if (in_mem_const(addr, size, COREB_L1_DATA_A_START, COREB_L1_DATA_A_LENGTH))
return cpu == 1 ? BFIN_MEM_ACCESS_CORE : BFIN_MEM_ACCESS_IDMA;
- if (in_mem_const(addr, size, COREB_L1_DATA_B_START, L1_DATA_B_LENGTH))
+ if (in_mem_const(addr, size, COREB_L1_DATA_B_START, COREB_L1_DATA_B_LENGTH))
return cpu == 1 ? BFIN_MEM_ACCESS_CORE : BFIN_MEM_ACCESS_IDMA;
#endif
if (in_mem_const(addr, size, L2_START, L2_LENGTH))
@@ -472,13 +472,13 @@ int _access_ok(unsigned long addr, unsigned long size)
if (in_mem_const_off(addr, size, _ebss_b_l1 - _sdata_b_l1, L1_DATA_B_START, L1_DATA_B_LENGTH))
return 1;
#ifdef COREB_L1_CODE_START
- if (in_mem_const(addr, size, COREB_L1_CODE_START, L1_CODE_LENGTH))
+ if (in_mem_const(addr, size, COREB_L1_CODE_START, COREB_L1_CODE_LENGTH))
return 1;
if (in_mem_const(addr, size, COREB_L1_SCRATCH_START, L1_SCRATCH_LENGTH))
return 1;
- if (in_mem_const(addr, size, COREB_L1_DATA_A_START, L1_DATA_A_LENGTH))
+ if (in_mem_const(addr, size, COREB_L1_DATA_A_START, COREB_L1_DATA_A_LENGTH))
return 1;
- if (in_mem_const(addr, size, COREB_L1_DATA_B_START, L1_DATA_B_LENGTH))
+ if (in_mem_const(addr, size, COREB_L1_DATA_B_START, COREB_L1_DATA_B_LENGTH))
return 1;
#endif
if (in_mem_const_off(addr, size, _ebss_l2 - _stext_l2, L2_START, L2_LENGTH))
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 6136c33e919..6225edae488 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -168,7 +168,6 @@ void __cpuinit bfin_setup_cpudata(unsigned int cpu)
struct blackfin_cpudata *cpudata = &per_cpu(cpu_data, cpu);
cpudata->idle = current;
- cpudata->loops_per_jiffy = loops_per_jiffy;
cpudata->imemctl = bfin_read_IMEM_CONTROL();
cpudata->dmemctl = bfin_read_DMEM_CONTROL();
}
@@ -568,17 +567,23 @@ static __init void memory_setup(void)
# endif /* ANOMALY_05000263 */
# endif /* CONFIG_ROMFS_FS */
- memory_end -= mtd_size;
-
- if (mtd_size == 0) {
- console_init();
- panic("Don't boot kernel without rootfs attached.");
+ /* Since the default MTD_UCLINUX has no magic number, we just blindly
+ * read 8 past the end of the kernel's image, and look at it.
+ * When no image is attached, mtd_size is set to a random number
+ * Do some basic sanity checks before operating on things
+ */
+ if (mtd_size == 0 || memory_end <= mtd_size) {
+ pr_emerg("Could not find valid ram mtd attached.\n");
+ } else {
+ memory_end -= mtd_size;
+
+ /* Relocate MTD image to the top of memory after the uncached memory area */
+ uclinux_ram_map.phys = memory_mtd_start = memory_end;
+ uclinux_ram_map.size = mtd_size;
+ pr_info("Found mtd parition at 0x%p, (len=0x%lx), moving to 0x%p\n",
+ _end, mtd_size, (void *)memory_mtd_start);
+ dma_memcpy((void *)uclinux_ram_map.phys, _end, uclinux_ram_map.size);
}
-
- /* Relocate MTD image to the top of memory after the uncached memory area */
- uclinux_ram_map.phys = memory_mtd_start = memory_end;
- uclinux_ram_map.size = mtd_size;
- dma_memcpy((void *)uclinux_ram_map.phys, _end, uclinux_ram_map.size);
#endif /* CONFIG_MTD_UCLINUX */
#if (defined(CONFIG_BFIN_EXTMEM_ICACHEABLE) && ANOMALY_05000263)
@@ -868,13 +873,6 @@ void __init setup_arch(char **cmdline_p)
else
printk(KERN_CONT "and Disabled\n");
-#if defined(CONFIG_CHR_DEV_FLASH) || defined(CONFIG_BLK_DEV_FLASH)
- /* we need to initialize the Flashrom device here since we might
- * do things with flash early on in the boot
- */
- flash_probe();
-#endif
-
printk(KERN_INFO "Boot Mode: %i\n", bfin_read_SYSCR() & 0xF);
/* Newer parts mirror SWRST bits in SYSCR */
@@ -938,10 +936,6 @@ void __init setup_arch(char **cmdline_p)
CPU, bfin_revid());
}
- /* We can't run on BF548-0.1 due to ANOMALY 05000448 */
- if (bfin_cpuid() == 0x27de && bfin_revid() == 1)
- panic("You can't run on this processor due to 05000448");
-
printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n");
printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n",
@@ -1164,9 +1158,9 @@ static int show_cpuinfo(struct seq_file *m, void *v)
sclk/1000000, sclk%1000000);
seq_printf(m, "bogomips\t: %lu.%02lu\n"
"Calibration\t: %lu loops\n",
- (cpudata->loops_per_jiffy * HZ) / 500000,
- ((cpudata->loops_per_jiffy * HZ) / 5000) % 100,
- (cpudata->loops_per_jiffy * HZ));
+ (loops_per_jiffy * HZ) / 500000,
+ ((loops_per_jiffy * HZ) / 5000) % 100,
+ (loops_per_jiffy * HZ));
/* Check Cache configutation */
switch (cpudata->dmemctl & (1 << DMC0_P | 1 << DMC1_P)) {
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 8a1caf2bb5b..bf2b2d1f8ae 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -570,11 +570,12 @@ asmlinkage void trap_c(struct pt_regs *fp)
if (kernel_mode_regs(fp) || (current && !current->mm)) {
console_verbose();
oops_in_progress = 1;
- if (strerror)
- verbose_printk(strerror);
}
if (sig != SIGTRAP) {
+ if (strerror)
+ verbose_printk(strerror);
+
dump_bfin_process(fp);
dump_bfin_mem(fp);
show_regs(fp);
@@ -619,7 +620,9 @@ asmlinkage void trap_c(struct pt_regs *fp)
force_sig_info(sig, &info, current);
}
- if (ANOMALY_05000461 && trapnr == VEC_HWERR && !access_ok(VERIFY_READ, fp->pc, 8))
+ if ((ANOMALY_05000461 && trapnr == VEC_HWERR && !access_ok(VERIFY_READ, fp->pc, 8)) ||
+ (ANOMALY_05000281 && trapnr == VEC_HWERR) ||
+ (ANOMALY_05000189 && (trapnr == VEC_CPLB_I_VL || trapnr == VEC_CPLB_VL)))
fp->pc = SAFE_USER_INSTRUCTION;
traps_done:
diff --git a/arch/blackfin/lib/lshrdi3.c b/arch/blackfin/lib/lshrdi3.c
index 84b9c559222..e57bf6fbdf3 100644
--- a/arch/blackfin/lib/lshrdi3.c
+++ b/arch/blackfin/lib/lshrdi3.c
@@ -27,21 +27,7 @@
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#define BITS_PER_UNIT 8
-
-typedef int SItype __attribute__ ((mode(SI)));
-typedef unsigned int USItype __attribute__ ((mode(SI)));
-typedef int DItype __attribute__ ((mode(DI)));
-typedef int word_type __attribute__ ((mode(__word__)));
-
-struct DIstruct {
- SItype high, low;
-};
-
-typedef union {
- struct DIstruct s;
- DItype ll;
-} DIunion;
+#include "gcclib.h"
#ifdef CONFIG_ARITHMETIC_OPS_L1
DItype __lshrdi3(DItype u, word_type b)__attribute__((l1_text));
diff --git a/arch/blackfin/mach-bf518/boards/ezbrd.c b/arch/blackfin/mach-bf518/boards/ezbrd.c
index d9791106be9..809be268e42 100644
--- a/arch/blackfin/mach-bf518/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf518/boards/ezbrd.c
@@ -534,7 +534,7 @@ static struct platform_device i2c_bfin_twi_device = {
#endif
static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
-#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
{
I2C_BOARD_INFO("pcf8574_lcd", 0x22),
},
diff --git a/arch/blackfin/mach-bf518/include/mach/anomaly.h b/arch/blackfin/mach-bf518/include/mach/anomaly.h
index 426e064062a..753ed810e1c 100644
--- a/arch/blackfin/mach-bf518/include/mach/anomaly.h
+++ b/arch/blackfin/mach-bf518/include/mach/anomaly.h
@@ -82,6 +82,7 @@
#define ANOMALY_05000179 (0)
#define ANOMALY_05000182 (0)
#define ANOMALY_05000183 (0)
+#define ANOMALY_05000189 (0)
#define ANOMALY_05000198 (0)
#define ANOMALY_05000202 (0)
#define ANOMALY_05000215 (0)
@@ -117,6 +118,7 @@
#define ANOMALY_05000357 (0)
#define ANOMALY_05000362 (1)
#define ANOMALY_05000363 (0)
+#define ANOMALY_05000364 (0)
#define ANOMALY_05000371 (0)
#define ANOMALY_05000380 (0)
#define ANOMALY_05000386 (0)
diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c
index f4867ce0c61..b09484f538f 100644
--- a/arch/blackfin/mach-bf527/boards/cm_bf527.c
+++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c
@@ -793,7 +793,7 @@ static struct platform_device i2c_bfin_twi_device = {
#endif
static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
-#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
{
I2C_BOARD_INFO("pcf8574_lcd", 0x22),
.type = "pcf8574_lcd",
diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c
index b2f30f06b73..2ad68cd10ae 100644
--- a/arch/blackfin/mach-bf527/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf527/boards/ezbrd.c
@@ -591,7 +591,7 @@ static struct platform_device i2c_bfin_twi_device = {
#endif
static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
-#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
{
I2C_BOARD_INFO("pcf8574_lcd", 0x22),
},
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 799a1d1fa89..75e563d3f9d 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -858,7 +858,7 @@ static struct platform_device i2c_bfin_twi_device = {
#endif
static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
-#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
{
I2C_BOARD_INFO("pcf8574_lcd", 0x22),
},
diff --git a/arch/blackfin/mach-bf527/include/mach/anomaly.h b/arch/blackfin/mach-bf527/include/mach/anomaly.h
index 0d63f740616..c438ca89d8c 100644
--- a/arch/blackfin/mach-bf527/include/mach/anomaly.h
+++ b/arch/blackfin/mach-bf527/include/mach/anomaly.h
@@ -176,6 +176,8 @@
#define ANOMALY_05000443 (1)
/* The WURESET Bit in the SYSCR Register is not Functional */
#define ANOMALY_05000445 (1)
+/* USB DMA Short Packet Data Corruption */
+#define ANOMALY_05000450 (1)
/* BCODE_QUICKBOOT, BCODE_ALLBOOT, and BCODE_FULLBOOT Settings in SYSCR Register Not Functional */
#define ANOMALY_05000451 (1)
/* Incorrect Default Hysteresis Setting for RESET, NMI, and BMODE Signals */
@@ -201,6 +203,7 @@
#define ANOMALY_05000179 (0)
#define ANOMALY_05000182 (0)
#define ANOMALY_05000183 (0)
+#define ANOMALY_05000189 (0)
#define ANOMALY_05000198 (0)
#define ANOMALY_05000202 (0)
#define ANOMALY_05000215 (0)
@@ -238,6 +241,5 @@
#define ANOMALY_05000412 (0)
#define ANOMALY_05000447 (0)
#define ANOMALY_05000448 (0)
-#define ANOMALY_05000450 (0)
#endif
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index a68ade8a3ca..3d743ccaff6 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -453,7 +453,7 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
.irq = 39,
},
#endif
-#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
{
I2C_BOARD_INFO("pcf8574_lcd", 0x22),
},
diff --git a/arch/blackfin/mach-bf533/include/mach/anomaly.h b/arch/blackfin/mach-bf533/include/mach/anomaly.h
index 70a0ad69c61..cd83db2fb1a 100644
--- a/arch/blackfin/mach-bf533/include/mach/anomaly.h
+++ b/arch/blackfin/mach-bf533/include/mach/anomaly.h
@@ -335,6 +335,7 @@
#define ANOMALY_05000323 (0)
#define ANOMALY_05000353 (1)
#define ANOMALY_05000362 (1)
+#define ANOMALY_05000364 (0)
#define ANOMALY_05000380 (0)
#define ANOMALY_05000386 (1)
#define ANOMALY_05000389 (0)
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index c1f76dd2c4e..bd656907b8c 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -1313,10 +1313,10 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
#if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
{
I2C_BOARD_INFO("ad7142_joystick", 0x2C),
- .irq = IRQ_PF5,
+ .irq = IRQ_PG5,
},
#endif
-#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
{
I2C_BOARD_INFO("pcf8574_lcd", 0x22),
},
diff --git a/arch/blackfin/mach-bf537/include/mach/anomaly.h b/arch/blackfin/mach-bf537/include/mach/anomaly.h
index 57c128cc3b6..e66aa131f51 100644
--- a/arch/blackfin/mach-bf537/include/mach/anomaly.h
+++ b/arch/blackfin/mach-bf537/include/mach/anomaly.h
@@ -167,6 +167,7 @@
#define ANOMALY_05000179 (0)
#define ANOMALY_05000182 (0)
#define ANOMALY_05000183 (0)
+#define ANOMALY_05000189 (0)
#define ANOMALY_05000198 (0)
#define ANOMALY_05000202 (0)
#define ANOMALY_05000215 (0)
@@ -186,6 +187,7 @@
#define ANOMALY_05000353 (1)
#define ANOMALY_05000362 (1)
#define ANOMALY_05000363 (0)
+#define ANOMALY_05000364 (0)
#define ANOMALY_05000380 (0)
#define ANOMALY_05000386 (1)
#define ANOMALY_05000389 (0)
diff --git a/arch/blackfin/mach-bf538/include/mach/anomaly.h b/arch/blackfin/mach-bf538/include/mach/anomaly.h
index c97acdf85cd..451cf8a82a4 100644
--- a/arch/blackfin/mach-bf538/include/mach/anomaly.h
+++ b/arch/blackfin/mach-bf538/include/mach/anomaly.h
@@ -137,6 +137,7 @@
#define ANOMALY_05000158 (0)
#define ANOMALY_05000171 (0)
#define ANOMALY_05000182 (0)
+#define ANOMALY_05000189 (0)
#define ANOMALY_05000198 (0)
#define ANOMALY_05000202 (0)
#define ANOMALY_05000215 (0)
@@ -160,6 +161,7 @@
#define ANOMALY_05000353 (1)
#define ANOMALY_05000362 (1)
#define ANOMALY_05000363 (0)
+#define ANOMALY_05000364 (0)
#define ANOMALY_05000380 (0)
#define ANOMALY_05000386 (1)
#define ANOMALY_05000389 (0)
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index 81f5b95cc36..dc0dd9b2bce 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -864,7 +864,7 @@ static struct i2c_board_info __initdata bfin_i2c_board_info0[] = {
#if !defined(CONFIG_BF542) /* The BF542 only has 1 TWI */
static struct i2c_board_info __initdata bfin_i2c_board_info1[] = {
-#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
{
I2C_BOARD_INFO("pcf8574_lcd", 0x22),
},
diff --git a/arch/blackfin/mach-bf548/include/mach/anomaly.h b/arch/blackfin/mach-bf548/include/mach/anomaly.h
index 18a4cd24f67..cd040fe0bc5 100644
--- a/arch/blackfin/mach-bf548/include/mach/anomaly.h
+++ b/arch/blackfin/mach-bf548/include/mach/anomaly.h
@@ -195,6 +195,7 @@
#define ANOMALY_05000179 (0)
#define ANOMALY_05000182 (0)
#define ANOMALY_05000183 (0)
+#define ANOMALY_05000189 (0)
#define ANOMALY_05000198 (0)
#define ANOMALY_05000202 (0)
#define ANOMALY_05000215 (0)
@@ -226,6 +227,7 @@
#define ANOMALY_05000323 (0)
#define ANOMALY_05000362 (1)
#define ANOMALY_05000363 (0)
+#define ANOMALY_05000364 (0)
#define ANOMALY_05000380 (0)
#define ANOMALY_05000400 (0)
#define ANOMALY_05000412 (0)
diff --git a/arch/blackfin/mach-bf561/include/mach/anomaly.h b/arch/blackfin/mach-bf561/include/mach/anomaly.h
index 94b8e277f09..a5312b2d267 100644
--- a/arch/blackfin/mach-bf561/include/mach/anomaly.h
+++ b/arch/blackfin/mach-bf561/include/mach/anomaly.h
@@ -288,6 +288,7 @@
#define ANOMALY_05000273 (0)
#define ANOMALY_05000311 (0)
#define ANOMALY_05000353 (1)
+#define ANOMALY_05000364 (0)
#define ANOMALY_05000380 (0)
#define ANOMALY_05000386 (1)
#define ANOMALY_05000389 (0)
diff --git a/arch/blackfin/mach-bf561/include/mach/mem_map.h b/arch/blackfin/mach-bf561/include/mach/mem_map.h
index a63e15c86d9..5b96ea549a0 100644
--- a/arch/blackfin/mach-bf561/include/mach/mem_map.h
+++ b/arch/blackfin/mach-bf561/include/mach/mem_map.h
@@ -37,7 +37,6 @@
/* Memory Map for ADSP-BF561 processors */
-#ifdef CONFIG_BF561
#define COREA_L1_CODE_START 0xFFA00000
#define COREA_L1_DATA_A_START 0xFF800000
#define COREA_L1_DATA_B_START 0xFF900000
@@ -74,6 +73,28 @@
#define BFIN_DCACHESIZE (0*1024)
#define BFIN_DSUPBANKS 0
#endif /*CONFIG_BFIN_DCACHE*/
+
+/*
+ * If we are in SMP mode, then the cache settings of Core B will match
+ * the settings of Core A. If we aren't, then we assume Core B is not
+ * using any cache. This allows the rest of the kernel to work with
+ * the core in either mode as we are only loading user code into it and
+ * it is the user's problem to make sure they aren't doing something
+ * stupid there.
+ *
+ * Note that we treat the L1 code region as a contiguous blob to make
+ * the rest of the kernel simpler. Easier to check one region than a
+ * bunch of small ones. Again, possible misbehavior here is the fault
+ * of the user -- don't try to use memory that doesn't exist.
+ */
+#ifdef CONFIG_SMP
+# define COREB_L1_CODE_LENGTH L1_CODE_LENGTH
+# define COREB_L1_DATA_A_LENGTH L1_DATA_A_LENGTH
+# define COREB_L1_DATA_B_LENGTH L1_DATA_B_LENGTH
+#else
+# define COREB_L1_CODE_LENGTH 0x14000
+# define COREB_L1_DATA_A_LENGTH 0x8000
+# define COREB_L1_DATA_B_LENGTH 0x8000
#endif
/* Level 2 Memory */
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 5a4e7c7fd92..fb1795d5be2 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -218,7 +218,7 @@ ENTRY(_ex_single_step)
/* Single stepping only a single instruction, so clear the trace
* bit here. */
r7 = syscfg;
- bitclr (r7, 0);
+ bitclr (r7, SYSCFG_SSSTEP_P);
syscfg = R7;
jump _ex_trap_c;
@@ -251,7 +251,7 @@ ENTRY(_ex_single_step)
if !cc jump _bfin_return_from_exception;
r7 = syscfg;
- bitclr (r7, 0);
+ bitclr (r7, SYSCFG_SSSTEP_P); /* Turn off single step */
syscfg = R7;
/* Fall through to _bfin_return_from_exception. */
@@ -342,9 +342,11 @@ ENTRY(_ex_trap_c)
r6 = retx;
[p5 + PDA_RETX] = r6;
#endif
+ /* Save the state of single stepping */
r6 = SYSCFG;
[p5 + PDA_SYSCFG] = r6;
- BITCLR(r6, 0);
+ /* Clear it while we handle the exception in IRQ5 mode */
+ BITCLR(r6, SYSCFG_SSSTEP_P);
SYSCFG = r6;
/* Disable all interrupts, but make sure level 5 is enabled so
@@ -367,7 +369,7 @@ ENDPROC(_ex_trap_c)
* exception. This is a unrecoverable event, so crash.
* Note: this cannot be ENTRY() as we jump here with "if cc jump" ...
*/
-_double_fault:
+ENTRY(_double_fault)
/* Turn caches & protection off, to ensure we don't get any more
* double exceptions
*/
@@ -872,7 +874,7 @@ ENTRY(_ret_from_exception)
raise 15; /* raise evt15 to do signal or reschedule */
4:
r0 = syscfg;
- bitclr(r0, 0);
+ bitclr(r0, SYSCFG_SSSTEP_P); /* Turn off single step */
syscfg = r0;
5:
rts;
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index 61840059dfa..349ee3f5466 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -211,6 +211,8 @@ int smp_call_function(void (*func)(void *info), void *info, int wait)
return 0;
msg = kmalloc(sizeof(*msg), GFP_ATOMIC);
+ if (!msg)
+ return -ENOMEM;
INIT_LIST_HEAD(&msg->list);
msg->call_struct.func = func;
msg->call_struct.info = info;
@@ -252,6 +254,8 @@ int smp_call_function_single(int cpuid, void (*func) (void *info), void *info,
cpu_set(cpu, callmap);
msg = kmalloc(sizeof(*msg), GFP_ATOMIC);
+ if (!msg)
+ return -ENOMEM;
INIT_LIST_HEAD(&msg->list);
msg->call_struct.func = func;
msg->call_struct.info = info;
@@ -287,6 +291,8 @@ void smp_send_reschedule(int cpu)
return;
msg = kmalloc(sizeof(*msg), GFP_ATOMIC);
+ if (!msg)
+ return;
memset(msg, 0, sizeof(msg));
INIT_LIST_HEAD(&msg->list);
msg->type = BFIN_IPI_RESCHEDULE;
@@ -314,6 +320,8 @@ void smp_send_stop(void)
return;
msg = kmalloc(sizeof(*msg), GFP_ATOMIC);
+ if (!msg)
+ return;
memset(msg, 0, sizeof(msg));
INIT_LIST_HEAD(&msg->list);
msg->type = BFIN_IPI_CPU_STOP;
@@ -450,7 +458,7 @@ void __init smp_cpus_done(unsigned int max_cpus)
unsigned int cpu;
for_each_online_cpu(cpu)
- bogosum += per_cpu(cpu_data, cpu).loops_per_jiffy;
+ bogosum += loops_per_jiffy;
printk(KERN_INFO "SMP: Total of %d processors activated "
"(%lu.%02lu BogoMIPS).\n",