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: (75 commits) Blackfin: update ftrace for latest toolchain Blackfin: fix elf_fpregset_t definition Blackfin: unify cache init functions Blackfin: swap clocksource ratings for gptimer/cycles Blackfin: update ftrace_push_return_trace() breakage Blackfin: update cm board resources Blackfin: cm-bf537u: split board from cm-bf537e Blackfin: bf538-ezkit: add SPI IRQ resources Blackfin: increase default async timings for parallel flashes Blackfin: add ICPLB coverage for async banks Blackfin: use KERN_ALERT in all kgdb_test output Blackfin: fix BF54x SPI CS resources Blackfin: fix typo in isram_write() Blackfin: bf537-stamp: add adp5588 gpio resources Blackfin: add some isram-driver self tests Blackfin: workaround anomaly 05000283 Blackfin: fix spelling in a few comments Blackfin: use raw_smp_processor_id() in exception code Blackfin: remove useless duplicated assignment in gpio code Blackfin: Fix link errors with binutils 2.19 and GCC 4.3 ...
blinkosm · Sep 17, 2009 · abf5940 · abf5940
2 parents 66bc4a6 + 5bf9cbe
commit abf5940
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Showing 93 changed files with 2,772 additions and 1,776 deletions.
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
@@ -342,8 +342,9 @@ config MEM_MT48LC64M4A2FB_7E
 config MEM_MT48LC16M16A2TG_75
 	bool
 	depends on (BFIN533_EZKIT || BFIN561_EZKIT \
-		|| BFIN533_BLUETECHNIX_CM || BFIN537_BLUETECHNIX_CM \
-		|| H8606_HVSISTEMAS || BFIN527_BLUETECHNIX_CM)
+		|| BFIN533_BLUETECHNIX_CM || BFIN537_BLUETECHNIX_CM_E \
+		|| BFIN537_BLUETECHNIX_CM_U || H8606_HVSISTEMAS \
+		|| BFIN527_BLUETECHNIX_CM)
 	default y
 
 config MEM_MT48LC32M8A2_75
@@ -459,7 +460,7 @@ config VCO_MULT
 	default "45" if BFIN533_STAMP
 	default "20" if (BFIN537_STAMP || BFIN527_EZKIT || BFIN548_EZKIT || BFIN548_BLUETECHNIX_CM || BFIN538_EZKIT)
 	default "22" if BFIN533_BLUETECHNIX_CM
-	default "20" if (BFIN537_BLUETECHNIX_CM || BFIN527_BLUETECHNIX_CM || BFIN561_BLUETECHNIX_CM)
+	default "20" if (BFIN537_BLUETECHNIX_CM_E || BFIN537_BLUETECHNIX_CM_U || BFIN527_BLUETECHNIX_CM || BFIN561_BLUETECHNIX_CM)
 	default "20" if BFIN561_EZKIT
 	default "16" if (H8606_HVSISTEMAS || BLACKSTAMP || BFIN526_EZBRD || BFIN518F_EZBRD)
 	help
@@ -574,8 +575,8 @@ config MAX_VCO_HZ
 	default 400000000 if BF514
 	default 400000000 if BF516
 	default 400000000 if BF518
-	default 600000000 if BF522
-	default 400000000 if BF523
+	default 400000000 if BF522
+	default 600000000 if BF523
 	default 400000000 if BF524
 	default 600000000 if BF525
 	default 400000000 if BF526
@@ -647,7 +648,7 @@ config CYCLES_CLOCKSOURCE
 	  writing the registers will most likely crash the kernel.
 
 config GPTMR0_CLOCKSOURCE
-	bool "Use GPTimer0 as a clocksource (higher rating)"
+	bool "Use GPTimer0 as a clocksource"
 	select BFIN_GPTIMERS
 	depends on GENERIC_CLOCKEVENTS
 	depends on !TICKSOURCE_GPTMR0
@@ -917,10 +918,6 @@ comment "Cache Support"
 config BFIN_ICACHE
 	bool "Enable ICACHE"
 	default y
-config BFIN_ICACHE_LOCK
-	bool "Enable Instruction Cache Locking"
-	depends on BFIN_ICACHE
-	default n
 config BFIN_EXTMEM_ICACHEABLE
 	bool "Enable ICACHE for external memory"
 	depends on BFIN_ICACHE
@@ -987,19 +984,17 @@ endchoice
 config BFIN_L2_DCACHEABLE
 	bool "Enable DCACHE for L2 SRAM"
 	depends on BFIN_DCACHE
-	depends on BF54x || BF561
+	depends on (BF54x || BF561) && !SMP
 	default n
 choice
 	prompt "L2 SRAM DCACHE policy"
 	depends on BFIN_L2_DCACHEABLE
 	default BFIN_L2_WRITEBACK
 config BFIN_L2_WRITEBACK
 	bool "Write back"
-	depends on !SMP
 
 config BFIN_L2_WRITETHROUGH
 	bool "Write through"
-	depends on !SMP
 endchoice
 
 
@@ -1154,11 +1149,12 @@ source "fs/Kconfig.binfmt"
 endmenu
 
 menu "Power management options"
+	depends on !SMP
+
 source "kernel/power/Kconfig"
 
 config ARCH_SUSPEND_POSSIBLE
 	def_bool y
-	depends on !SMP
 
 choice
 	prompt "Standby Power Saving Mode"
@@ -1246,6 +1242,7 @@ config PM_BFIN_WAKE_GP
 endmenu
 
 menu "CPU Frequency scaling"
+	depends on !SMP
 
 source "drivers/cpufreq/Kconfig"
 

diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug
@@ -252,4 +252,10 @@ config ACCESS_CHECK
 
 	  Say N here to disable that check to improve the performance.
 
+config BFIN_ISRAM_SELF_TEST
+	bool "isram boot self tests"
+	default n
+	help
+	  Run some self tests of the isram driver code at boot.
+
 endmenu
diff --git a/arch/blackfin/configs/BF518F-EZBRD_defconfig b/arch/blackfin/configs/BF518F-EZBRD_defconfig
@@ -358,9 +358,9 @@ CONFIG_C_AMBEN_ALL=y
 # EBIU_AMBCTL Control
 #
 CONFIG_BANK_0=0x7BB0
-CONFIG_BANK_1=0x5554
+CONFIG_BANK_1=0x7BB0
 CONFIG_BANK_2=0x7BB0
-CONFIG_BANK_3=0xFFC0
+CONFIG_BANK_3=0x99B2
 
 #
 # Bus options (PCI, PCMCIA, EISA, MCA, ISA)

diff --git a/arch/blackfin/configs/BF526-EZBRD_defconfig b/arch/blackfin/configs/BF526-EZBRD_defconfig
@@ -359,9 +359,9 @@ CONFIG_C_AMBEN_ALL=y
 # EBIU_AMBCTL Control
 #
 CONFIG_BANK_0=0x7BB0
-CONFIG_BANK_1=0x5554
+CONFIG_BANK_1=0x7BB0
 CONFIG_BANK_2=0x7BB0
-CONFIG_BANK_3=0xFFC0
+CONFIG_BANK_3=0x99B2
 
 #
 # Bus options (PCI, PCMCIA, EISA, MCA, ISA)

diff --git a/arch/blackfin/configs/BF527-EZKIT_defconfig b/arch/blackfin/configs/BF527-EZKIT_defconfig
@@ -363,9 +363,9 @@ CONFIG_C_AMBEN_ALL=y
 # EBIU_AMBCTL Control
 #
 CONFIG_BANK_0=0x7BB0
-CONFIG_BANK_1=0x5554
+CONFIG_BANK_1=0x7BB0
 CONFIG_BANK_2=0x7BB0
-CONFIG_BANK_3=0xFFC0
+CONFIG_BANK_3=0x99B2
 
 #
 # Bus options (PCI, PCMCIA, EISA, MCA, ISA)

diff --git a/arch/blackfin/configs/BF548-EZKIT_defconfig b/arch/blackfin/configs/BF548-EZKIT_defconfig
@@ -400,7 +400,7 @@ CONFIG_C_AMBEN_ALL=y
 # EBIU_AMBCTL Control
 #
 CONFIG_BANK_0=0x7BB0
-CONFIG_BANK_1=0x5554
+CONFIG_BANK_1=0x7BB0
 CONFIG_BANK_2=0x7BB0
 CONFIG_BANK_3=0x99B2
 CONFIG_EBIU_MBSCTLVAL=0x0

diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h
@@ -66,7 +66,6 @@ extern void program_IAR(void);
 
 extern asmlinkage void lower_to_irq14(void);
 extern asmlinkage void bfin_return_from_exception(void);
-extern asmlinkage void evt14_softirq(void);
 extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
 extern int bfin_internal_set_wake(unsigned int irq, unsigned int state);
 
@@ -100,11 +99,6 @@ extern unsigned long bfin_sic_iwr[];
 extern unsigned vr_wakeup;
 extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
 
-#ifdef CONFIG_BFIN_ICACHE_LOCK
-extern void cache_grab_lock(int way);
-extern void bfin_cache_lock(int way);
-#endif
-
 #endif
 
 #endif				/* _BLACKFIN_H_ */
diff --git a/arch/blackfin/include/asm/bfin5xx_spi.h b/arch/blackfin/include/asm/bfin5xx_spi.h
@@ -127,6 +127,7 @@ struct bfin5xx_spi_chip {
 	u32 cs_gpio;
 	/* Value to send if no TX value is supplied, usually 0x0 or 0xFFFF */
 	u16 idle_tx_val;
+	u8 pio_interrupt; /* Enable spi data irq */
 };
 
 #endif /* _SPI_CHANNEL_H_ */
diff --git a/arch/blackfin/include/asm/cplb.h b/arch/blackfin/include/asm/cplb.h
@@ -125,4 +125,48 @@
 #define FAULT_USERSUPV  (1 << 17)
 #define FAULT_CPLBBITS  0x0000ffff
 
-#endif				/* _CPLB_H */
+#ifndef __ASSEMBLY__
+
+static inline void _disable_cplb(u32 mmr, u32 mask)
+{
+	u32 ctrl = bfin_read32(mmr) & ~mask;
+	/* CSYNC to ensure load store ordering */
+	__builtin_bfin_csync();
+	bfin_write32(mmr, ctrl);
+	__builtin_bfin_ssync();
+}
+static inline void disable_cplb(u32 mmr, u32 mask)
+{
+	u32 ctrl = bfin_read32(mmr) & ~mask;
+	CSYNC();
+	bfin_write32(mmr, ctrl);
+	SSYNC();
+}
+#define _disable_dcplb() _disable_cplb(DMEM_CONTROL, ENDCPLB)
+#define  disable_dcplb()  disable_cplb(DMEM_CONTROL, ENDCPLB)
+#define _disable_icplb() _disable_cplb(IMEM_CONTROL, ENICPLB)
+#define  disable_icplb()  disable_cplb(IMEM_CONTROL, ENICPLB)
+
+static inline void _enable_cplb(u32 mmr, u32 mask)
+{
+	u32 ctrl = bfin_read32(mmr) | mask;
+	/* CSYNC to ensure load store ordering */
+	__builtin_bfin_csync();
+	bfin_write32(mmr, ctrl);
+	__builtin_bfin_ssync();
+}
+static inline void enable_cplb(u32 mmr, u32 mask)
+{
+	u32 ctrl = bfin_read32(mmr) | mask;
+	CSYNC();
+	bfin_write32(mmr, ctrl);
+	SSYNC();
+}
+#define _enable_dcplb()  _enable_cplb(DMEM_CONTROL, ENDCPLB)
+#define  enable_dcplb()   enable_cplb(DMEM_CONTROL, ENDCPLB)
+#define _enable_icplb()  _enable_cplb(IMEM_CONTROL, ENICPLB)
+#define  enable_icplb()   enable_cplb(IMEM_CONTROL, ENICPLB)
+
+#endif		/* __ASSEMBLY__ */
+
+#endif		/* _CPLB_H */
diff --git a/arch/blackfin/include/asm/early_printk.h b/arch/blackfin/include/asm/early_printk.h
@@ -21,8 +21,32 @@
  * GNU General Public License for more details.
  */
 
+
+#ifndef __ASM_EARLY_PRINTK_H__
+#define __ASM_EARLY_PRINTK_H__
+
 #ifdef CONFIG_EARLY_PRINTK
+/* For those that don't include it already */
+#include <linux/console.h>
+
 extern int setup_early_printk(char *);
+extern void enable_shadow_console(void);
+extern int shadow_console_enabled(void);
+extern void mark_shadow_error(void);
+extern void early_shadow_reg(unsigned long reg, unsigned int n);
+extern void early_shadow_write(struct console *con, const char *s,
+	unsigned int n) __attribute__((nonnull(2)));
+#define early_shadow_puts(str) early_shadow_write(NULL, str, strlen(str))
+#define early_shadow_stamp() \
+	do { \
+		early_shadow_puts(__FILE__ " : " __stringify(__LINE__) " ["); \
+		early_shadow_puts(__func__); \
+		early_shadow_puts("]\n"); \
+	} while (0)
 #else
 #define setup_early_printk(fmt) do { } while (0)
+#define enable_shadow_console(fmt)  do { } while (0)
+#define early_shadow_stamp() do { } while (0)
 #endif /* CONFIG_EARLY_PRINTK */
+
+#endif /* __ASM_EARLY_PRINTK_H__ */
diff --git a/arch/blackfin/include/asm/elf.h b/arch/blackfin/include/asm/elf.h
@@ -23,7 +23,7 @@ typedef unsigned long elf_greg_t;
 #define ELF_NGREG 40 /* (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) */
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 
-typedef struct user_bfinfp_struct elf_fpregset_t;
+typedef struct { } elf_fpregset_t;
 /*
  * This is used to ensure we don't load something for the wrong architecture.
  */

diff --git a/arch/blackfin/include/asm/entry.h b/arch/blackfin/include/asm/entry.h
@@ -36,6 +36,21 @@
 # define LOAD_IPIPE_IPEND
 #endif
 
+/*
+ * Workaround for anomalies 05000283 and 05000315
+ */
+#if ANOMALY_05000283 || ANOMALY_05000315
+# define ANOMALY_283_315_WORKAROUND(preg, dreg)		\
+	cc = dreg == dreg;				\
+	preg.h = HI(CHIPID);				\
+	preg.l = LO(CHIPID);				\
+	if cc jump 1f;					\
+	dreg.l = W[preg];				\
+1:
+#else
+# define ANOMALY_283_315_WORKAROUND(preg, dreg)
+#endif /* ANOMALY_05000283 || ANOMALY_05000315 */
+
 #ifndef CONFIG_EXACT_HWERR
 /* As a debugging aid - we save IPEND when DEBUG_KERNEL is on,
  * otherwise it is a waste of cycles.
@@ -88,17 +103,22 @@
  * As you can see by the code - we actually need to do two SSYNCS - one to
  * make sure the read/writes complete, and another to make sure the hardware
  * error is recognized by the core.
+ *
+ * The extra nop before the SSYNC is to make sure we work around 05000244,
+ * since the 283/315 workaround includes a branch to the end
  */
 #define INTERRUPT_ENTRY(N)						\
-    SSYNC;								\
-    SSYNC;								\
     [--sp] = SYSCFG;							\
     [--sp] = P0;	/*orig_p0*/					\
     [--sp] = R0;	/*orig_r0*/					\
     [--sp] = (R7:0,P5:0);						\
     R1 = ASTAT;								\
+    ANOMALY_283_315_WORKAROUND(p0, r0)					\
     P0.L = LO(ILAT);							\
     P0.H = HI(ILAT);							\
+    NOP;								\
+    SSYNC;								\
+    SSYNC;								\
     R0 = [P0];								\
     CC = BITTST(R0, EVT_IVHW_P);					\
     IF CC JUMP 1f;							\
@@ -118,15 +138,17 @@
     RTI;
 
 #define TIMER_INTERRUPT_ENTRY(N)					\
-    SSYNC;								\
-    SSYNC;								\
     [--sp] = SYSCFG;							\
     [--sp] = P0;	/*orig_p0*/					\
     [--sp] = R0;	/*orig_r0*/					\
     [--sp] = (R7:0,P5:0);						\
     R1 = ASTAT;								\
+    ANOMALY_283_315_WORKAROUND(p0, r0)					\
     P0.L = LO(ILAT);							\
     P0.H = HI(ILAT);							\
+    NOP;								\
+    SSYNC;								\
+    SSYNC;								\
     R0 = [P0];								\
     CC = BITTST(R0, EVT_IVHW_P);					\
     IF CC JUMP 1f;							\

diff --git a/arch/blackfin/include/asm/ftrace.h b/arch/blackfin/include/asm/ftrace.h
@@ -8,6 +8,6 @@
 #ifndef __ASM_BFIN_FTRACE_H__
 #define __ASM_BFIN_FTRACE_H__
 
-#define MCOUNT_INSN_SIZE	8 /* sizeof mcount call: LINK + CALL */
+#define MCOUNT_INSN_SIZE	6 /* sizeof "[++sp] = rets; call __mcount;" */
 
 #endif
diff --git a/arch/blackfin/include/asm/ipipe.h b/arch/blackfin/include/asm/ipipe.h
@@ -145,10 +145,6 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs);
 
 int __ipipe_get_irq_priority(unsigned irq);
 
-void __ipipe_stall_root_raw(void);
-
-void __ipipe_unstall_root_raw(void);
-
 void __ipipe_serial_debug(const char *fmt, ...);
 
 asmlinkage void __ipipe_call_irqtail(unsigned long addr);
@@ -234,9 +230,6 @@ int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc);
 #define task_hijacked(p)		0
 #define ipipe_trap_notify(t, r)  	0
 
-#define __ipipe_stall_root_raw()	do { } while (0)
-#define __ipipe_unstall_root_raw()	do { } while (0)
-
 #define ipipe_init_irq_threads()		do { } while (0)
 #define ipipe_start_irq_thread(irq, desc)	0
 

diff --git a/arch/blackfin/include/asm/irq_handler.h b/arch/blackfin/include/asm/irq_handler.h
@@ -17,6 +17,7 @@ asmlinkage void evt_evt10(void);
 asmlinkage void evt_evt11(void);
 asmlinkage void evt_evt12(void);
 asmlinkage void evt_evt13(void);
+asmlinkage void evt_evt14(void);
 asmlinkage void evt_soft_int1(void);
 asmlinkage void evt_system_call(void);
 asmlinkage void init_exception_buff(void);

diff --git a/arch/blackfin/include/asm/mmu_context.h b/arch/blackfin/include/asm/mmu_context.h
@@ -127,17 +127,17 @@ static inline void protect_page(struct mm_struct *mm, unsigned long addr,
 	unsigned long idx = page >> 5;
 	unsigned long bit = 1 << (page & 31);
 
-	if (flags & VM_MAYREAD)
+	if (flags & VM_READ)
 		mask[idx] |= bit;
 	else
 		mask[idx] &= ~bit;
 	mask += page_mask_nelts;
-	if (flags & VM_MAYWRITE)
+	if (flags & VM_WRITE)
 		mask[idx] |= bit;
 	else
 		mask[idx] &= ~bit;
 	mask += page_mask_nelts;
-	if (flags & VM_MAYEXEC)
+	if (flags & VM_EXEC)
 		mask[idx] |= bit;
 	else
 		mask[idx] &= ~bit;