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-rw-r--r--arch/blackfin/mach-common/clocks-init.c1
-rw-r--r--arch/blackfin/mach-common/cpufreq.c5
-rw-r--r--arch/blackfin/mach-common/dpmc_modes.S30
-rw-r--r--arch/blackfin/mach-common/entry.S6
-rw-r--r--arch/blackfin/mach-common/ints-priority.c15
-rw-r--r--arch/blackfin/mach-common/smp.c16
6 files changed, 57 insertions, 16 deletions
diff --git a/arch/blackfin/mach-common/clocks-init.c b/arch/blackfin/mach-common/clocks-init.c
index ef6870e9eea6..d5cfe611b778 100644
--- a/arch/blackfin/mach-common/clocks-init.c
+++ b/arch/blackfin/mach-common/clocks-init.c
@@ -13,6 +13,7 @@
#include <asm/dma.h>
#include <asm/clocks.h>
#include <asm/mem_init.h>
+#include <asm/dpmc.h>
#define SDGCTL_WIDTH (1 << 31) /* SDRAM external data path width */
#define PLL_CTL_VAL \
diff --git a/arch/blackfin/mach-common/cpufreq.c b/arch/blackfin/mach-common/cpufreq.c
index 01506504e6d0..777582897253 100644
--- a/arch/blackfin/mach-common/cpufreq.c
+++ b/arch/blackfin/mach-common/cpufreq.c
@@ -13,7 +13,7 @@
#include <linux/fs.h>
#include <asm/blackfin.h>
#include <asm/time.h>
-
+#include <asm/dpmc.h>
/* this is the table of CCLK frequencies, in Hz */
/* .index is the entry in the auxillary dpm_state_table[] */
@@ -138,7 +138,8 @@ static int __init __bfin_cpu_init(struct cpufreq_policy *policy)
dpm_state_table[index].tscale);
}
- policy->cpuinfo.transition_latency = (bfin_read_PLL_LOCKCNT() / (sclk / 1000000)) * 1000;
+ policy->cpuinfo.transition_latency = 50000; /* 50us assumed */
+
/*Now ,only support one cpu */
policy->cur = cclk;
cpufreq_frequency_table_get_attr(bfin_freq_table, policy->cpu);
diff --git a/arch/blackfin/mach-common/dpmc_modes.S b/arch/blackfin/mach-common/dpmc_modes.S
index 8009a512fb11..b03716896051 100644
--- a/arch/blackfin/mach-common/dpmc_modes.S
+++ b/arch/blackfin/mach-common/dpmc_modes.S
@@ -404,6 +404,21 @@ ENTRY(_do_hibernate)
PM_SYS_PUSH(EBIU_FCTL)
#endif
+#ifdef PORTCIO_FER
+ PM_SYS_PUSH16(PORTCIO_DIR)
+ PM_SYS_PUSH16(PORTCIO_INEN)
+ PM_SYS_PUSH16(PORTCIO)
+ PM_SYS_PUSH16(PORTCIO_FER)
+ PM_SYS_PUSH16(PORTDIO_DIR)
+ PM_SYS_PUSH16(PORTDIO_INEN)
+ PM_SYS_PUSH16(PORTDIO)
+ PM_SYS_PUSH16(PORTDIO_FER)
+ PM_SYS_PUSH16(PORTEIO_DIR)
+ PM_SYS_PUSH16(PORTEIO_INEN)
+ PM_SYS_PUSH16(PORTEIO)
+ PM_SYS_PUSH16(PORTEIO_FER)
+#endif
+
PM_SYS_PUSH16(SYSCR)
/* Save Core MMRs */
@@ -716,6 +731,21 @@ ENTRY(_do_hibernate)
P0.L = lo(PLL_CTL);
PM_SYS_POP16(SYSCR)
+#ifdef PORTCIO_FER
+ PM_SYS_POP16(PORTEIO_FER)
+ PM_SYS_POP16(PORTEIO)
+ PM_SYS_POP16(PORTEIO_INEN)
+ PM_SYS_POP16(PORTEIO_DIR)
+ PM_SYS_POP16(PORTDIO_FER)
+ PM_SYS_POP16(PORTDIO)
+ PM_SYS_POP16(PORTDIO_INEN)
+ PM_SYS_POP16(PORTDIO_DIR)
+ PM_SYS_POP16(PORTCIO_FER)
+ PM_SYS_POP16(PORTCIO)
+ PM_SYS_POP16(PORTCIO_INEN)
+ PM_SYS_POP16(PORTCIO_DIR)
+#endif
+
#ifdef EBIU_FCTL
PM_SYS_POP(EBIU_FCTL)
PM_SYS_POP(EBIU_MODE)
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index a50637a8b9bd..b0ed0b487ff2 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -713,6 +713,8 @@ ENTRY(_system_call)
cc = BITTST(r7, TIF_RESTORE_SIGMASK);
if cc jump .Lsyscall_do_signals;
cc = BITTST(r7, TIF_SIGPENDING);
+ if cc jump .Lsyscall_do_signals;
+ cc = BITTST(r7, TIF_NOTIFY_RESUME);
if !cc jump .Lsyscall_really_exit;
.Lsyscall_do_signals:
/* Reenable interrupts. */
@@ -721,7 +723,7 @@ ENTRY(_system_call)
r0 = sp;
SP += -12;
- call _do_signal;
+ call _do_notify_resume;
SP += 12;
.Lsyscall_really_exit:
@@ -1422,7 +1424,7 @@ ENTRY(_sys_call_table)
.long _sys_ni_syscall /* streams2 */
.long _sys_vfork /* 190 */
.long _sys_getrlimit
- .long _sys_mmap2
+ .long _sys_mmap_pgoff
.long _sys_truncate64
.long _sys_ftruncate64
.long _sys_stat64 /* 195 */
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 660ea1bec54c..1873b2c1fede 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -25,11 +25,20 @@
#include <asm/blackfin.h>
#include <asm/gpio.h>
#include <asm/irq_handler.h>
+#include <asm/dpmc.h>
+#include <asm/bfin5xx_spi.h>
+#include <asm/bfin_sport.h>
#define SIC_SYSIRQ(irq) (irq - (IRQ_CORETMR + 1))
#ifdef BF537_FAMILY
# define BF537_GENERIC_ERROR_INT_DEMUX
+# define SPI_ERR_MASK (BIT_STAT_TXCOL | BIT_STAT_RBSY | BIT_STAT_MODF | BIT_STAT_TXE) /* SPI_STAT */
+# define SPORT_ERR_MASK (ROVF | RUVF | TOVF | TUVF) /* SPORT_STAT */
+# define PPI_ERR_MASK (0xFFFF & ~FLD) /* PPI_STATUS */
+# define EMAC_ERR_MASK (PHYINT | MMCINT | RXFSINT | TXFSINT | WAKEDET | RXDMAERR | TXDMAERR | STMDONE) /* EMAC_SYSTAT */
+# define UART_ERR_MASK (0x6) /* UART_IIR */
+# define CAN_ERR_MASK (EWTIF | EWRIF | EPIF | BOIF | WUIF | UIAIF | AAIF | RMLIF | UCEIF | EXTIF | ADIF) /* CAN_GIF */
#else
# undef BF537_GENERIC_ERROR_INT_DEMUX
#endif
@@ -324,11 +333,9 @@ static void bfin_demux_error_irq(unsigned int int_err_irq,
irq = IRQ_CAN_ERROR;
else if (bfin_read_SPI_STAT() & SPI_ERR_MASK)
irq = IRQ_SPI_ERROR;
- else if ((bfin_read_UART0_IIR() & UART_ERR_MASK_STAT1) &&
- (bfin_read_UART0_IIR() & UART_ERR_MASK_STAT0))
+ else if ((bfin_read_UART0_IIR() & UART_ERR_MASK) == UART_ERR_MASK)
irq = IRQ_UART0_ERROR;
- else if ((bfin_read_UART1_IIR() & UART_ERR_MASK_STAT1) &&
- (bfin_read_UART1_IIR() & UART_ERR_MASK_STAT0))
+ else if ((bfin_read_UART1_IIR() & UART_ERR_MASK) == UART_ERR_MASK)
irq = IRQ_UART1_ERROR;
if (irq) {
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index d92b168c8328..369e687582b7 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -336,13 +336,6 @@ int __cpuinit __cpu_up(unsigned int cpu)
ret = platform_boot_secondary(cpu, idle);
- if (ret) {
- cpu_clear(cpu, cpu_present_map);
- printk(KERN_CRIT "CPU%u: processor failed to boot (%d)\n", cpu, ret);
- free_task(idle);
- } else
- cpu_set(cpu, cpu_online_map);
-
secondary_stack = NULL;
return ret;
@@ -418,9 +411,16 @@ void __cpuinit secondary_start_kernel(void)
setup_secondary(cpu);
+ platform_secondary_init(cpu);
+
local_irq_enable();
- platform_secondary_init(cpu);
+ /*
+ * Calibrate loops per jiffy value.
+ * IRQs need to be enabled here - D-cache can be invalidated
+ * in timer irq handler, so core B can read correct jiffies.
+ */
+ calibrate_delay();
cpu_idle();
}
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-03 15:08:57 +0000