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-rw-r--r--arch/arm/mach-omap2/prcm-common.h67
1 files changed, 62 insertions, 5 deletions
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index ff1ac4a82a04..5e3544a63526 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __ARCH_ASM_MACH_OMAP2_PRCM_COMMON_H
#define __ARCH_ASM_MACH_OMAP2_PRCM_COMMON_H
@@ -8,10 +9,6 @@
* Copyright (C) 2007-2009 Nokia Corporation
*
* Written by Paul Walmsley
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
/* Module offsets from both CM_BASE & PRM_BASE */
@@ -51,6 +48,12 @@
/*
* TI81XX PRM module offsets
*/
+#define TI814X_PRM_DSP_MOD 0x0a00
+#define TI814X_PRM_HDVICP_MOD 0x0c00
+#define TI814X_PRM_ISP_MOD 0x0d00
+#define TI814X_PRM_HDVPSS_MOD 0x0e00
+#define TI814X_PRM_GFX_MOD 0x0f00
+
#define TI81XX_PRM_DEVICE_MOD 0x0000
#define TI816X_PRM_ACTIVE_MOD 0x0a00
#define TI81XX_PRM_DEFAULT_MOD 0x0b00
@@ -58,6 +61,7 @@
#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 */
@@ -427,6 +431,28 @@
#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"
@@ -449,6 +475,7 @@ struct omap_prcm_irq {
* struct omap_prcm_irq_setup - PRCM interrupt controller details
* @ack: PRM register offset for the first PRM_IRQSTATUS_MPU register
* @mask: PRM register offset for the first PRM_IRQENABLE_MPU register
+ * @pm_ctrl: PRM register offset for the PRM_IO_PMCTRL register
* @nr_regs: number of PRM_IRQ{STATUS,ENABLE}_MPU* registers
* @nr_irqs: number of entries in the @irqs array
* @irqs: ptr to an array of PRCM interrupt bits (see @nr_irqs)
@@ -457,6 +484,7 @@ 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
@@ -470,6 +498,7 @@ struct omap_prcm_irq {
struct omap_prcm_irq_setup {
u16 ack;
u16 mask;
+ u16 pm_ctrl;
u8 nr_regs;
u8 nr_irqs;
const struct omap_prcm_irq *irqs;
@@ -478,6 +507,7 @@ 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;
@@ -492,7 +522,34 @@ struct omap_prcm_irq_setup {
.priority = _priority \
}
-extern void omap_prcm_irq_cleanup(void);
+struct omap_domain_base {
+ u32 pa;
+ void __iomem *va;
+ s16 offset;
+};
+
+/**
+ * struct omap_prcm_init_data - PRCM driver init data
+ * @index: clock memory mapping index to be used
+ * @mem: IO mem pointer for this module
+ * @phys: IO mem physical base address for this module
+ * @offset: module base address offset from the IO base
+ * @flags: PRCM module init flags
+ * @device_inst_offset: device instance offset within the module address space
+ * @init: low level PRCM init function for this module
+ * @np: device node for this PRCM module
+ */
+struct omap_prcm_init_data {
+ int index;
+ void __iomem *mem;
+ u32 phys;
+ s16 offset;
+ u16 flags;
+ s32 device_inst_offset;
+ int (*init)(const struct omap_prcm_init_data *data);
+ struct device_node *np;
+};
+
extern int omap_prcm_register_chain_handler(
struct omap_prcm_irq_setup *irq_setup);
extern int omap_prcm_event_to_irq(const char *event);