aboutsummaryrefslogtreecommitdiff
path: root/arch/blackfin/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/include')
-rw-r--r--arch/blackfin/include/asm/bfin-global.h6
-rw-r--r--arch/blackfin/include/asm/bfin5xx_spi.h1
-rw-r--r--arch/blackfin/include/asm/bfin_rotary.h39
-rw-r--r--arch/blackfin/include/asm/cplb.h46
-rw-r--r--arch/blackfin/include/asm/early_printk.h24
-rw-r--r--arch/blackfin/include/asm/elf.h2
-rw-r--r--arch/blackfin/include/asm/entry.h30
-rw-r--r--arch/blackfin/include/asm/ftrace.h2
-rw-r--r--arch/blackfin/include/asm/ipipe.h7
-rw-r--r--arch/blackfin/include/asm/irq_handler.h1
-rw-r--r--arch/blackfin/include/asm/mmu_context.h6
-rw-r--r--arch/blackfin/include/asm/pda.h7
-rw-r--r--arch/blackfin/include/asm/sections.h38
-rw-r--r--arch/blackfin/include/asm/unistd.h2
14 files changed, 184 insertions, 27 deletions
diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h
index e39277ea43e..aef0594e786 100644
--- 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
index aaeb4df10d5..c281c632827 100644
--- 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/bfin_rotary.h b/arch/blackfin/include/asm/bfin_rotary.h
new file mode 100644
index 00000000000..425ece64fd5
--- /dev/null
+++ b/arch/blackfin/include/asm/bfin_rotary.h
@@ -0,0 +1,39 @@
+/*
+ * board initialization should put one of these structures into platform_data
+ * and place the bfin-rotary onto platform_bus named "bfin-rotary".
+ */
+
+#ifndef _BFIN_ROTARY_H
+#define _BFIN_ROTARY_H
+
+/* mode bitmasks */
+#define ROT_QUAD_ENC CNTMODE_QUADENC /* quadrature/grey code encoder mode */
+#define ROT_BIN_ENC CNTMODE_BINENC /* binary encoder mode */
+#define ROT_UD_CNT CNTMODE_UDCNT /* rotary counter mode */
+#define ROT_DIR_CNT CNTMODE_DIRCNT /* direction counter mode */
+
+#define ROT_DEBE DEBE /* Debounce Enable */
+
+#define ROT_CDGINV CDGINV /* CDG Pin Polarity Invert */
+#define ROT_CUDINV CUDINV /* CUD Pin Polarity Invert */
+#define ROT_CZMINV CZMINV /* CZM Pin Polarity Invert */
+
+struct bfin_rotary_platform_data {
+ /* set rotary UP KEY_### or BTN_### in case you prefer
+ * bfin-rotary to send EV_KEY otherwise set 0
+ */
+ unsigned int rotary_up_key;
+ /* set rotary DOWN KEY_### or BTN_### in case you prefer
+ * bfin-rotary to send EV_KEY otherwise set 0
+ */
+ unsigned int rotary_down_key;
+ /* set rotary BUTTON KEY_### or BTN_### */
+ unsigned int rotary_button_key;
+ /* set rotary Relative Axis REL_### in case you prefer
+ * bfin-rotary to send EV_REL otherwise set 0
+ */
+ unsigned int rotary_rel_code;
+ unsigned short debounce; /* 0..17 */
+ unsigned short mode;
+};
+#endif
diff --git a/arch/blackfin/include/asm/cplb.h b/arch/blackfin/include/asm/cplb.h
index c5dacf8f8cf..d18d16837a6 100644
--- 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
index 110f1c1f845..53a762b6fcd 100644
--- 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
index 5a87baf0659..c823e8ebbfa 100644
--- 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
index ec58efc130e..55b808fced7 100644
--- 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
index 8643680f0f7..90c9b400ba6 100644
--- 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
index 87ba9ad399c..4617ba66278 100644
--- 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
index 139b5208f9d..7d9e2d3bbed 100644
--- 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
index 944e29faae4..040410bb07e 100644
--- 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;
diff --git a/arch/blackfin/include/asm/pda.h b/arch/blackfin/include/asm/pda.h
index b42555c1431..a6f95695731 100644
--- a/arch/blackfin/include/asm/pda.h
+++ b/arch/blackfin/include/asm/pda.h
@@ -50,6 +50,7 @@ struct blackfin_pda { /* Per-processor Data Area */
unsigned long ex_optr;
unsigned long ex_buf[4];
unsigned long ex_imask; /* Saved imask from exception */
+ unsigned long ex_ipend; /* Saved IPEND from exception */
unsigned long *ex_stack; /* Exception stack space */
#ifdef ANOMALY_05000261
@@ -60,6 +61,12 @@ struct blackfin_pda { /* Per-processor Data Area */
unsigned long retx;
unsigned long seqstat;
unsigned int __nmi_count; /* number of times NMI asserted on this CPU */
+#ifdef CONFIG_DEBUG_DOUBLEFAULT
+ unsigned long dcplb_doublefault_addr;
+ unsigned long icplb_doublefault_addr;
+ unsigned long retx_doublefault;
+ unsigned long seqstat_doublefault;
+#endif
};
extern struct blackfin_pda cpu_pda[];
diff --git a/arch/blackfin/include/asm/sections.h b/arch/blackfin/include/asm/sections.h
index e7fd0ecd73f..ae4dae1e370 100644
--- a/arch/blackfin/include/asm/sections.h
+++ b/arch/blackfin/include/asm/sections.h
@@ -1,9 +1,6 @@
#ifndef _BLACKFIN_SECTIONS_H
#define _BLACKFIN_SECTIONS_H
-/* nothing to see, move along */
-#include <asm-generic/sections.h>
-
/* only used when MTD_UCLINUX */
extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
@@ -15,4 +12,39 @@ extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
_stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[],
_ebss_l2[], _l2_lma_start[];
+#include <asm/mem_map.h>
+
+/* Blackfin systems have discontinuous memory map and no virtualized memory */
+static inline int arch_is_kernel_text(unsigned long addr)
+{
+ return
+ (L1_CODE_LENGTH &&
+ addr >= (unsigned long)_stext_l1 &&
+ addr < (unsigned long)_etext_l1)
+ ||
+ (L2_LENGTH &&
+ addr >= (unsigned long)_stext_l2 &&
+ addr < (unsigned long)_etext_l2);
+}
+#define arch_is_kernel_text(addr) arch_is_kernel_text(addr)
+
+static inline int arch_is_kernel_data(unsigned long addr)
+{
+ return
+ (L1_DATA_A_LENGTH &&
+ addr >= (unsigned long)_sdata_l1 &&
+ addr < (unsigned long)_ebss_l1)
+ ||
+ (L1_DATA_B_LENGTH &&
+ addr >= (unsigned long)_sdata_b_l1 &&
+ addr < (unsigned long)_ebss_b_l1)
+ ||
+ (L2_LENGTH &&
+ addr >= (unsigned long)_sdata_l2 &&
+ addr < (unsigned long)_ebss_l2);
+}
+#define arch_is_kernel_data(addr) arch_is_kernel_data(addr)
+
+#include <asm-generic/sections.h>
+
#endif
diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h
index c8e7ee4768c..02b1529dad5 100644
--- a/arch/blackfin/include/asm/unistd.h
+++ b/arch/blackfin/include/asm/unistd.h
@@ -381,7 +381,7 @@
#define __NR_preadv 366
#define __NR_pwritev 367
#define __NR_rt_tgsigqueueinfo 368
-#define __NR_perf_counter_open 369
+#define __NR_perf_event_open 369
#define __NR_syscall 370
#define NR_syscalls __NR_syscall
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 20:05:05 +0000