aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/prcm-common.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/prcm-common.h')
-rw-r--r--arch/arm/mach-omap2/prcm-common.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index c7d355fafd2..a8e4b582c52 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -48,6 +48,18 @@
#define OMAP3430_NEON_MOD 0xb00
#define OMAP3430ES2_USBHOST_MOD 0xc00
+/*
+ * TI81XX PRM module offsets
+ */
+#define TI81XX_PRM_DEVICE_MOD 0x0000
+#define TI816X_PRM_ACTIVE_MOD 0x0a00
+#define TI81XX_PRM_DEFAULT_MOD 0x0b00
+#define TI816X_PRM_IVAHD0_MOD 0x0c00
+#define TI816X_PRM_IVAHD1_MOD 0x0d00
+#define TI816X_PRM_IVAHD2_MOD 0x0e00
+#define TI816X_PRM_SGX_MOD 0x0f00
+#define TI81XX_PRM_ALWON_MOD 0x1800
+
/* 24XX register bits shared between CM & PRM registers */
/* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
@@ -416,6 +428,28 @@
#define MAX_IOPAD_LATCH_TIME 100
# ifndef __ASSEMBLER__
+#include <linux/delay.h>
+
+/**
+ * omap_test_timeout - busy-loop, testing a condition
+ * @cond: condition to test until it evaluates to true
+ * @timeout: maximum number of microseconds in the timeout
+ * @index: loop index (integer)
+ *
+ * Loop waiting for @cond to become true or until at least @timeout
+ * microseconds have passed. To use, define some integer @index in the
+ * calling code. After running, if @index == @timeout, then the loop has
+ * timed out.
+ */
+#define omap_test_timeout(cond, timeout, index) \
+({ \
+ for (index = 0; index < timeout; index++) { \
+ if (cond) \
+ break; \
+ udelay(1); \
+ } \
+})
+
/**
* struct omap_prcm_irq - describes a PRCM interrupt bit
* @name: a short name describing the interrupt type, e.g. "wkup" or "io"
@@ -446,6 +480,7 @@ struct omap_prcm_irq {
* @ocp_barrier: fn ptr to force buffered PRM writes to complete
* @save_and_clear_irqen: fn ptr to save and clear IRQENABLE regs
* @restore_irqen: fn ptr to save and clear IRQENABLE regs
+ * @reconfigure_io_chain: fn ptr to reconfigure IO chain
* @saved_mask: IRQENABLE regs are saved here during suspend
* @priority_mask: 1 bit per IRQ, set to 1 if omap_prcm_irq.priority = true
* @base_irq: base dynamic IRQ number, returned from irq_alloc_descs() in init
@@ -467,6 +502,7 @@ struct omap_prcm_irq_setup {
void (*ocp_barrier)(void);
void (*save_and_clear_irqen)(u32 *saved_mask);
void (*restore_irqen)(u32 *saved_mask);
+ void (*reconfigure_io_chain)(void);
u32 *saved_mask;
u32 *priority_mask;
int base_irq;