Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fb5f00492a748facc9f069c95621e05c148edf53
Commit: fb5f00492a748facc9f069c95621e05c148edf53
Parent: c50e19f49830fb651b4b702ad2c3abcdf110b576
Author: Sonic Zhang <[EMAIL PROTECTED]>
AuthorDate: Sun Dec 23 23:02:13 2007 +0800
Committer: Bryan Wu <[EMAIL PROTECTED]>
CommitDate: Sun Dec 23 23:02:13 2007 +0800
[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 <[EMAIL PROTECTED]>
Signed-off-by: Bryan Wu <[EMAIL PROTECTED]>
---
arch/blackfin/Kconfig | 2 +
arch/blackfin/mach-bf548/head.S | 8 ++--
arch/blackfin/mach-bf548/ints-priority.c | 2 +-
arch/blackfin/mach-common/dpmc.S | 46 +++++++++++++++++++++++-----
arch/blackfin/mach-common/pm.c | 16 ++++++++++
include/asm-blackfin/mach-bf548/irq.h | 4 +-
include/asm-blackfin/mach-bf548/mem_init.h | 1 +
7 files changed, 64 insertions(+), 15 deletions(-)
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 25232ba..5ebcfd2 100644
--- 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
index 74b34c7..745662e 100644
--- 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
index cb0ebac..05e3b3c 100644
--- 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
index 39fbc28..301ac1b 100644
--- 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);
@@ -360,7 +363,7 @@ ENTRY(_sleep_deeper)
IDLE;
call _test_pll_locked;
- call _unset_sdram_srfs;
+ call _unset_dram_srfs;
STI R4;
@@ -368,25 +371,47 @@ ENTRY(_sleep_deeper)
( 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;
@@ -394,8 +419,13 @@ ENTRY(_unset_sdram_srfs)
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
index dac51fb..81930f7 100644
--- a/arch/blackfin/mach-common/pm.c
+++ b/arch/blackfin/mach-common/pm.c
@@ -77,7 +77,15 @@ 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);
}
@@ -85,7 +93,15 @@ void bfin_pm_suspend_standby_enter(void)
#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
index 9fb7bc5..c34507a 100644
--- 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
index 0cb279e..e792eb7 100644
--- 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
-
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