[Blackfin] arch: Fix bug to Enable kernel to build for bf548 with PM.

On BF548-EZKIT, build kernel faills with power management, video and audio enabled. This patch fix this. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
git-mirror · Dec 23, 2007 · fb5f004 · fb5f004
1 parent c50e19f
commit fb5f004
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Showing 7 changed files with 64 additions and 15 deletions.
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
@@ -951,6 +951,8 @@ config PM_WAKEUP_SIC_IWR
 	depends on PM_WAKEUP_GPIO_BY_SIC_IWR
 	default 0x80000000 if (BF537 || BF536 || BF534)
 	default 0x100000 if (BF533 || BF532 || BF531)
+	default 0x800000 if (BF549 || BF548 || BF547 || BF542)
+	default 0x800000 if (BF527 || BF524 || BF522)
 
 config PM_WAKEUP_GPIO_NUMBER
 	int "Wakeup GPIO number"

diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S
@@ -298,8 +298,8 @@ ENTRY(_start_dma_code)
 	w[p0] = r0.l;
 	ssync;
 
-	p0.h = hi(SIC_IWR);
-	p0.l = lo(SIC_IWR);
+	p0.h = hi(SIC_IWR0);
+	p0.l = lo(SIC_IWR0);
 	r0.l = 0x1;
 	r0.h = 0x0;
 	[p0] = r0;
@@ -395,8 +395,8 @@ ENTRY(_start_dma_code)
 	[P2] = R1;
 	SSYNC;
 
-	p0.h = hi(SIC_IWR);
-	p0.l = lo(SIC_IWR);
+	p0.h = hi(SIC_IWR0);
+	p0.l = lo(SIC_IWR0);
 	r0.l = lo(IWR_ENABLE_ALL);
 	r0.h = hi(IWR_ENABLE_ALL);
 	[p0] = r0;

diff --git a/arch/blackfin/mach-bf548/ints-priority.c b/arch/blackfin/mach-bf548/ints-priority.c
@@ -58,7 +58,7 @@ void program_IAR(void)
 			    ((CONFIG_IRQ_PINT1 - 7) << IRQ_PINT1_POS) |
 			    ((CONFIG_IRQ_MDMAS0 - 7) << IRQ_MDMAS0_POS) |
 			    ((CONFIG_IRQ_MDMAS1 - 7) << IRQ_MDMAS1_POS) |
-			    ((CONFIG_IRQ_WATCHDOG - 7) << IRQ_WATCHDOG_POS));
+			    ((CONFIG_IRQ_WATCHDOG - 7) << IRQ_WATCH_POS));
 
 	bfin_write_SIC_IAR3(((CONFIG_IRQ_DMAC1_ERR - 7) << IRQ_DMAC1_ERR_POS) |
 			    ((CONFIG_IRQ_SPORT2_ERR - 7) << IRQ_SPORT2_ERR_POS) |

diff --git a/arch/blackfin/mach-common/dpmc.S b/arch/blackfin/mach-common/dpmc.S
@@ -38,6 +38,9 @@ ENTRY(_unmask_wdog_wakeup_evt)
 #if defined(CONFIG_BF561)
 	P0.H = hi(SICA_IWR1);
 	P0.L = lo(SICA_IWR1);
+#elif defined(CONFIG_BF54x) || defined(CONFIG_BF52x)
+	P0.h = HI(SIC_IWR0);
+	P0.l = LO(SIC_IWR0);
 #else
 	P0.h = HI(SIC_IWR);
 	P0.l = LO(SIC_IWR);
@@ -236,7 +239,7 @@ ENTRY(_deep_sleep)
 
 	call _set_sic_iwr;
 
-	call _set_sdram_srfs;
+	call _set_dram_srfs;
 
 	/* Clear all the interrupts,bits sticky */
 	R0 = 0xFFFF (Z);
@@ -253,7 +256,7 @@ ENTRY(_deep_sleep)
 	SSYNC;
 	IDLE;
 
-	call _unset_sdram_srfs;
+	call _unset_dram_srfs;
 
 	call _test_pll_locked;
 
@@ -285,7 +288,7 @@ ENTRY(_sleep_deeper)
 	P3 = R0;
 	R0 = IWR_ENABLE(0);
 	call _set_sic_iwr;
-	call _set_sdram_srfs;
+	call _set_dram_srfs;
 
 	/* Clear all the interrupts,bits sticky */
 	R0 = 0xFFFF (Z);
@@ -360,42 +363,69 @@ ENTRY(_sleep_deeper)
 	IDLE;
 	call _test_pll_locked;
 
-	call _unset_sdram_srfs;
+	call _unset_dram_srfs;
 
 	STI R4;
 
 	RETS = [SP++];
 	( R7:0, P5:0 ) = [SP++];
 	RTS;
 
-ENTRY(_set_sdram_srfs)
-	/*  set the sdram to self refresh mode */
+ENTRY(_set_dram_srfs)
+	/*  set the dram to self refresh mode */
+#if defined(CONFIG_BF54x)
+	P0.H = hi(EBIU_RSTCTL);
+	P0.L = lo(EBIU_RSTCTL);
+	R2 = [P0];
+	R3.H = hi(SRREQ);
+	R3.L = lo(SRREQ);
+#else
 	P0.H = hi(EBIU_SDGCTL);
 	P0.L = lo(EBIU_SDGCTL);
 	R2 = [P0];
 	R3.H = hi(SRFS);
 	R3.L = lo(SRFS);
+#endif
 	R2 = R2|R3;
 	[P0] = R2;
 	ssync;
+#if defined(CONFIG_BF54x)
+.LSRR_MODE:
+	R2 = [P0];
+	CC = BITTST(R2, 4);
+	if !CC JUMP .LSRR_MODE;
+#endif
 	RTS;
 
-ENTRY(_unset_sdram_srfs)
-	/*  set the sdram out of self refresh mode */
+ENTRY(_unset_dram_srfs)
+	/*  set the dram out of self refresh mode */
+#if defined(CONFIG_BF54x)
+	P0.H = hi(EBIU_RSTCTL);
+	P0.L = lo(EBIU_RSTCTL);
+	R2 = [P0];
+	R3.H = hi(SRREQ);
+	R3.L = lo(SRREQ);
+#else
 	P0.H = hi(EBIU_SDGCTL);
 	P0.L = lo(EBIU_SDGCTL);
 	R2 = [P0];
 	R3.H = hi(SRFS);
 	R3.L = lo(SRFS);
+#endif
 	R3 = ~R3;
 	R2 = R2&R3;
 	[P0] = R2;
 	ssync;
 	RTS;
 
 ENTRY(_set_sic_iwr)
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x)
+	P0.H = hi(SIC_IWR0);
+	P0.L = lo(SIC_IWR0);
+#else
 	P0.H = hi(SIC_IWR);
 	P0.L = lo(SIC_IWR);
+#endif
 	[P0] = R0;
 	SSYNC;
 	RTS;

diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c
@@ -77,15 +77,31 @@ void bfin_pm_suspend_standby_enter(void)
 
 		gpio_pm_restore();
 
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x)
+		bfin_write_SIC_IWR0(IWR_ENABLE_ALL);
+		bfin_write_SIC_IWR1(IWR_ENABLE_ALL);
+# ifdef CONFIG_BF54x
+		bfin_write_SIC_IWR2(IWR_ENABLE_ALL);
+# endif
+#else
 		bfin_write_SIC_IWR(IWR_ENABLE_ALL);
+#endif
 
 		local_irq_restore(flags);
 	}
 #endif
 
 #if defined(CONFIG_PM_WAKEUP_GPIO_BY_SIC_IWR)
 	sleep_deeper(CONFIG_PM_WAKEUP_SIC_IWR);
+# if defined(CONFIG_BF54x) || defined(CONFIG_BF52x)
+	bfin_write_SIC_IWR0(IWR_ENABLE_ALL);
+	bfin_write_SIC_IWR1(IWR_ENABLE_ALL);
+#  ifdef CONFIG_BF54x
+	bfin_write_SIC_IWR2(IWR_ENABLE_ALL);
+#  endif
+# else
 	bfin_write_SIC_IWR(IWR_ENABLE_ALL);
+# endif
 #endif				/* CONFIG_PM_WAKEUP_GPIO_BY_SIC_IWR */
 }
 

diff --git a/include/asm-blackfin/mach-bf548/irq.h b/include/asm-blackfin/mach-bf548/irq.h
@@ -88,7 +88,7 @@ Events         (highest priority)  EMU         0
 #define IRQ_PINT1		BFIN_IRQ(20)	/* PINT1 Interrupt */
 #define IRQ_MDMAS0		BFIN_IRQ(21)	/* MDMA Stream 0 Interrupt */
 #define IRQ_MDMAS1		BFIN_IRQ(22)	/* MDMA Stream 1 Interrupt */
-#define IRQ_WATCHDOG		BFIN_IRQ(23)	/* Watchdog Interrupt */
+#define IRQ_WATCH		BFIN_IRQ(23)	/* Watchdog Interrupt */
 #define IRQ_DMAC1_ERROR		BFIN_IRQ(24)	/* DMAC1 Status (Error) Interrupt */
 #define IRQ_SPORT2_ERROR	BFIN_IRQ(25)	/* SPORT2 Error Interrupt */
 #define IRQ_SPORT3_ERROR	BFIN_IRQ(26)	/* SPORT3 Error Interrupt */
@@ -406,7 +406,7 @@ Events         (highest priority)  EMU         0
 #define IRQ_PINT1_POS		16
 #define IRQ_MDMAS0_POS		20
 #define IRQ_MDMAS1_POS		24
-#define IRQ_WATCHDOG_POS	28
+#define IRQ_WATCH_POS		28
 
 /* IAR3 BIT FIELDS */
 #define IRQ_DMAC1_ERR_POS	0

diff --git a/include/asm-blackfin/mach-bf548/mem_init.h b/include/asm-blackfin/mach-bf548/mem_init.h
@@ -30,6 +30,7 @@
  */
 
 #if (CONFIG_MEM_MT46V32M16)
+#endif
 
 #if defined CONFIG_CLKIN_HALF
 #define CLKIN_HALF       1
-Original file line number
+Diff line change
@@ Expand Up / @@ -30,6 +30,7 @@ @@
      */
     #if (CONFIG_MEM_MT46V32M16)
+    #endif
     #if defined CONFIG_CLKIN_HALF
     #define CLKIN_HALF       1
@@ Expand Down @@