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-rw-r--r--arch/arm/mach-mmp/Kconfig29
-rw-r--r--arch/arm/mach-mmp/Makefile14
-rw-r--r--arch/arm/mach-mmp/include/mach/addr-map.h12
-rw-r--r--arch/arm/mach-mmp/include/mach/entry-macro.S4
-rw-r--r--arch/arm/mach-mmp/include/mach/irqs.h27
-rw-r--r--arch/arm/mach-mmp/include/mach/pm-mmp2.h61
-rw-r--r--arch/arm/mach-mmp/include/mach/pm-pxa910.h77
-rw-r--r--arch/arm/mach-mmp/include/mach/regs-apbc.h3
-rw-r--r--arch/arm/mach-mmp/include/mach/regs-apmu.h3
-rw-r--r--arch/arm/mach-mmp/irq-mmp2.c158
-rw-r--r--arch/arm/mach-mmp/irq-pxa168.c54
-rw-r--r--arch/arm/mach-mmp/irq.c458
-rw-r--r--arch/arm/mach-mmp/mmp-dt.c66
-rw-r--r--arch/arm/mach-mmp/mmp2-dt.c60
-rw-r--r--arch/arm/mach-mmp/pm-mmp2.c264
-rw-r--r--arch/arm/mach-mmp/pm-pxa910.c285
-rw-r--r--arch/arm/mach-mmp/time.c81
-rw-r--r--arch/arm/mach-mmp/ttc_dkb.c11
18 files changed, 1376 insertions, 291 deletions
diff --git a/arch/arm/mach-mmp/Kconfig b/arch/arm/mach-mmp/Kconfig
index fa03974fd838..7fddd01b85b9 100644
--- a/arch/arm/mach-mmp/Kconfig
+++ b/arch/arm/mach-mmp/Kconfig
@@ -2,16 +2,6 @@ if ARCH_MMP
menu "Marvell PXA168/910/MMP2 Implmentations"
-config MACH_MMP_DT
- bool "Support MMP2 platforms from device tree"
- select CPU_PXA168
- select CPU_PXA910
- select USE_OF
- help
- Include support for Marvell MMP2 based platforms using
- the device tree. Needn't select any other machine while
- MACH_MMP_DT is enabled.
-
config MACH_ASPENITE
bool "Marvell's PXA168 Aspenite Development Board"
select CPU_PXA168
@@ -94,6 +84,25 @@ config MACH_GPLUGD
Say 'Y' here if you want to support the Marvell PXA168-based
GuruPlug Display (gplugD) Board
+config MACH_MMP_DT
+ bool "Support MMP (ARMv5) platforms from device tree"
+ select CPU_PXA168
+ select CPU_PXA910
+ select USE_OF
+ help
+ Include support for Marvell MMP2 based platforms using
+ the device tree. Needn't select any other machine while
+ MACH_MMP_DT is enabled.
+
+config MACH_MMP2_DT
+ bool "Support MMP2 (ARMv7) platforms from device tree"
+ depends on !CPU_MOHAWK
+ select CPU_MMP2
+ select USE_OF
+ help
+ Include support for Marvell MMP2 based platforms using
+ the device tree.
+
endmenu
config CPU_PXA168
diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile
index 4fc0ff5dc96d..b786f7e6cd1f 100644
--- a/arch/arm/mach-mmp/Makefile
+++ b/arch/arm/mach-mmp/Makefile
@@ -2,12 +2,17 @@
# Makefile for Marvell's PXA168 processors line
#
-obj-y += common.o clock.o devices.o time.o
+obj-y += common.o clock.o devices.o time.o irq.o
# SoC support
-obj-$(CONFIG_CPU_PXA168) += pxa168.o irq-pxa168.o
-obj-$(CONFIG_CPU_PXA910) += pxa910.o irq-pxa168.o
-obj-$(CONFIG_CPU_MMP2) += mmp2.o irq-mmp2.o sram.o
+obj-$(CONFIG_CPU_PXA168) += pxa168.o
+obj-$(CONFIG_CPU_PXA910) += pxa910.o
+obj-$(CONFIG_CPU_MMP2) += mmp2.o sram.o
+
+ifeq ($(CONFIG_PM),y)
+obj-$(CONFIG_CPU_PXA910) += pm-pxa910.o
+obj-$(CONFIG_CPU_MMP2) += pm-mmp2.o
+endif
# board support
obj-$(CONFIG_MACH_ASPENITE) += aspenite.o
@@ -19,5 +24,6 @@ obj-$(CONFIG_MACH_BROWNSTONE) += brownstone.o
obj-$(CONFIG_MACH_FLINT) += flint.o
obj-$(CONFIG_MACH_MARVELL_JASPER) += jasper.o
obj-$(CONFIG_MACH_MMP_DT) += mmp-dt.o
+obj-$(CONFIG_MACH_MMP2_DT) += mmp2-dt.o
obj-$(CONFIG_MACH_TETON_BGA) += teton_bga.o
obj-$(CONFIG_MACH_GPLUGD) += gplugd.o
diff --git a/arch/arm/mach-mmp/include/mach/addr-map.h b/arch/arm/mach-mmp/include/mach/addr-map.h
index b1ece08174e8..f88a44c0ef91 100644
--- a/arch/arm/mach-mmp/include/mach/addr-map.h
+++ b/arch/arm/mach-mmp/include/mach/addr-map.h
@@ -31,4 +31,16 @@
#define SMC_CS1_PHYS_BASE 0x90000000
#define SMC_CS1_PHYS_SIZE 0x10000000
+#define APMU_VIRT_BASE (AXI_VIRT_BASE + 0x82800)
+#define APMU_REG(x) (APMU_VIRT_BASE + (x))
+
+#define APBC_VIRT_BASE (APB_VIRT_BASE + 0x015000)
+#define APBC_REG(x) (APBC_VIRT_BASE + (x))
+
+#define MPMU_VIRT_BASE (APB_VIRT_BASE + 0x50000)
+#define MPMU_REG(x) (MPMU_VIRT_BASE + (x))
+
+#define CIU_VIRT_BASE (AXI_VIRT_BASE + 0x82c00)
+#define CIU_REG(x) (CIU_VIRT_BASE + (x))
+
#endif /* __ASM_MACH_ADDR_MAP_H */
diff --git a/arch/arm/mach-mmp/include/mach/entry-macro.S b/arch/arm/mach-mmp/include/mach/entry-macro.S
index 9cff9e7a2b26..bd152e24e6d7 100644
--- a/arch/arm/mach-mmp/include/mach/entry-macro.S
+++ b/arch/arm/mach-mmp/include/mach/entry-macro.S
@@ -6,13 +6,15 @@
* published by the Free Software Foundation.
*/
+#include <asm/irq.h>
#include <mach/regs-icu.h>
.macro get_irqnr_preamble, base, tmp
mrc p15, 0, \tmp, c0, c0, 0 @ CPUID
and \tmp, \tmp, #0xff00
cmp \tmp, #0x5800
- ldr \base, =ICU_VIRT_BASE
+ ldr \base, =mmp_icu_base
+ ldr \base, [\base, #0]
addne \base, \base, #0x10c @ PJ1 AP INT SEL register
addeq \base, \base, #0x104 @ PJ4 IRQ SEL register
.endm
diff --git a/arch/arm/mach-mmp/include/mach/irqs.h b/arch/arm/mach-mmp/include/mach/irqs.h
index d0e746626a3d..fb492a50a817 100644
--- a/arch/arm/mach-mmp/include/mach/irqs.h
+++ b/arch/arm/mach-mmp/include/mach/irqs.h
@@ -125,7 +125,7 @@
#define IRQ_MMP2_RTC_MUX 5
#define IRQ_MMP2_TWSI1 7
#define IRQ_MMP2_GPU 8
-#define IRQ_MMP2_KEYPAD 9
+#define IRQ_MMP2_KEYPAD_MUX 9
#define IRQ_MMP2_ROTARY 10
#define IRQ_MMP2_TRACKBALL 11
#define IRQ_MMP2_ONEWIRE 12
@@ -163,11 +163,11 @@
#define IRQ_MMP2_DMA_FIQ 47
#define IRQ_MMP2_DMA_RIQ 48
#define IRQ_MMP2_GPIO 49
-#define IRQ_MMP2_SSP_MUX 51
+#define IRQ_MMP2_MIPI_HSI1_MUX 51
#define IRQ_MMP2_MMC2 52
#define IRQ_MMP2_MMC3 53
#define IRQ_MMP2_MMC4 54
-#define IRQ_MMP2_MIPI_HSI 55
+#define IRQ_MMP2_MIPI_HSI0_MUX 55
#define IRQ_MMP2_MSP 58
#define IRQ_MMP2_MIPI_SLIM_DMA 59
#define IRQ_MMP2_PJ4_FREQ_CHG 60
@@ -186,8 +186,14 @@
#define IRQ_MMP2_RTC_ALARM (IRQ_MMP2_RTC_BASE + 0)
#define IRQ_MMP2_RTC (IRQ_MMP2_RTC_BASE + 1)
+/* secondary interrupt of INT #9 */
+#define IRQ_MMP2_KEYPAD_BASE (IRQ_MMP2_RTC_BASE + 2)
+#define IRQ_MMP2_KPC (IRQ_MMP2_KEYPAD_BASE + 0)
+#define IRQ_MMP2_ROTORY (IRQ_MMP2_KEYPAD_BASE + 1)
+#define IRQ_MMP2_TBALL (IRQ_MMP2_KEYPAD_BASE + 2)
+
/* secondary interrupt of INT #17 */
-#define IRQ_MMP2_TWSI_BASE (IRQ_MMP2_RTC_BASE + 2)
+#define IRQ_MMP2_TWSI_BASE (IRQ_MMP2_KEYPAD_BASE + 3)
#define IRQ_MMP2_TWSI2 (IRQ_MMP2_TWSI_BASE + 0)
#define IRQ_MMP2_TWSI3 (IRQ_MMP2_TWSI_BASE + 1)
#define IRQ_MMP2_TWSI4 (IRQ_MMP2_TWSI_BASE + 2)
@@ -212,11 +218,16 @@
#define IRQ_MMP2_COMMRX (IRQ_MMP2_MISC_BASE + 14)
/* secondary interrupt of INT #51 */
-#define IRQ_MMP2_SSP_BASE (IRQ_MMP2_MISC_BASE + 15)
-#define IRQ_MMP2_SSP1_SRDY (IRQ_MMP2_SSP_BASE + 0)
-#define IRQ_MMP2_SSP3_SRDY (IRQ_MMP2_SSP_BASE + 1)
+#define IRQ_MMP2_MIPI_HSI1_BASE (IRQ_MMP2_MISC_BASE + 15)
+#define IRQ_MMP2_HSI1_CAWAKE (IRQ_MMP2_MIPI_HSI1_BASE + 0)
+#define IRQ_MMP2_MIPI_HSI_INT1 (IRQ_MMP2_MIPI_HSI1_BASE + 1)
+
+/* secondary interrupt of INT #55 */
+#define IRQ_MMP2_MIPI_HSI0_BASE (IRQ_MMP2_MIPI_HSI1_BASE + 2)
+#define IRQ_MMP2_HSI0_CAWAKE (IRQ_MMP2_MIPI_HSI0_BASE + 0)
+#define IRQ_MMP2_MIPI_HSI_INT0 (IRQ_MMP2_MIPI_HSI0_BASE + 1)
-#define IRQ_MMP2_MUX_END (IRQ_MMP2_SSP_BASE + 2)
+#define IRQ_MMP2_MUX_END (IRQ_MMP2_MIPI_HSI0_BASE + 2)
#define IRQ_GPIO_START 128
#define MMP_NR_BUILTIN_GPIO 192
diff --git a/arch/arm/mach-mmp/include/mach/pm-mmp2.h b/arch/arm/mach-mmp/include/mach/pm-mmp2.h
new file mode 100644
index 000000000000..98bd66ce8006
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/pm-mmp2.h
@@ -0,0 +1,61 @@
+/*
+ * MMP2 Power Management Routines
+ *
+ * This software program is licensed subject to the GNU General Public License
+ * (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html
+ *
+ * (C) Copyright 2010 Marvell International Ltd.
+ * All Rights Reserved
+ */
+
+#ifndef __MMP2_PM_H__
+#define __MMP2_PM_H__
+
+#include <mach/addr-map.h>
+
+#define APMU_PJ_IDLE_CFG APMU_REG(0x018)
+#define APMU_PJ_IDLE_CFG_PJ_IDLE (1 << 1)
+#define APMU_PJ_IDLE_CFG_PJ_PWRDWN (1 << 5)
+#define APMU_PJ_IDLE_CFG_PWR_SW(x) ((x) << 16)
+#define APMU_PJ_IDLE_CFG_L2_PWR_SW (1 << 19)
+#define APMU_PJ_IDLE_CFG_ISO_MODE_CNTRL_MASK (3 << 28)
+
+#define APMU_SRAM_PWR_DWN APMU_REG(0x08c)
+
+#define MPMU_SCCR MPMU_REG(0x038)
+#define MPMU_PCR_PJ MPMU_REG(0x1000)
+#define MPMU_PCR_PJ_AXISD (1 << 31)
+#define MPMU_PCR_PJ_SLPEN (1 << 29)
+#define MPMU_PCR_PJ_SPSD (1 << 28)
+#define MPMU_PCR_PJ_DDRCORSD (1 << 27)
+#define MPMU_PCR_PJ_APBSD (1 << 26)
+#define MPMU_PCR_PJ_INTCLR (1 << 24)
+#define MPMU_PCR_PJ_SLPWP0 (1 << 23)
+#define MPMU_PCR_PJ_SLPWP1 (1 << 22)
+#define MPMU_PCR_PJ_SLPWP2 (1 << 21)
+#define MPMU_PCR_PJ_SLPWP3 (1 << 20)
+#define MPMU_PCR_PJ_VCTCXOSD (1 << 19)
+#define MPMU_PCR_PJ_SLPWP4 (1 << 18)
+#define MPMU_PCR_PJ_SLPWP5 (1 << 17)
+#define MPMU_PCR_PJ_SLPWP6 (1 << 16)
+#define MPMU_PCR_PJ_SLPWP7 (1 << 15)
+
+#define MPMU_PLL2_CTRL1 MPMU_REG(0x0414)
+#define MPMU_CGR_PJ MPMU_REG(0x1024)
+#define MPMU_WUCRM_PJ MPMU_REG(0x104c)
+#define MPMU_WUCRM_PJ_WAKEUP(x) (1 << (x))
+#define MPMU_WUCRM_PJ_RTC_ALARM (1 << 17)
+
+enum {
+ POWER_MODE_ACTIVE = 0,
+ POWER_MODE_CORE_INTIDLE,
+ POWER_MODE_CORE_EXTIDLE,
+ POWER_MODE_APPS_IDLE,
+ POWER_MODE_APPS_SLEEP,
+ POWER_MODE_CHIP_SLEEP,
+ POWER_MODE_SYS_SLEEP,
+};
+
+extern void mmp2_pm_enter_lowpower_mode(int state);
+extern int mmp2_set_wake(struct irq_data *d, unsigned int on);
+#endif
diff --git a/arch/arm/mach-mmp/include/mach/pm-pxa910.h b/arch/arm/mach-mmp/include/mach/pm-pxa910.h
new file mode 100644
index 000000000000..8cac8ab5253d
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/pm-pxa910.h
@@ -0,0 +1,77 @@
+/*
+ * PXA910 Power Management Routines
+ *
+ * This software program is licensed subject to the GNU General Public License
+ * (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html
+ *
+ * (C) Copyright 2009 Marvell International Ltd.
+ * All Rights Reserved
+ */
+
+#ifndef __PXA910_PM_H__
+#define __PXA910_PM_H__
+
+#define APMU_MOH_IDLE_CFG APMU_REG(0x0018)
+#define APMU_MOH_IDLE_CFG_MOH_IDLE (1 << 1)
+#define APMU_MOH_IDLE_CFG_MOH_PWRDWN (1 << 5)
+#define APMU_MOH_IDLE_CFG_MOH_SRAM_PWRDWN (1 << 6)
+#define APMU_MOH_IDLE_CFG_MOH_PWR_SW(x) (((x) & 0x3) << 16)
+#define APMU_MOH_IDLE_CFG_MOH_L2_PWR_SW(x) (((x) & 0x3) << 18)
+#define APMU_MOH_IDLE_CFG_MOH_DIS_MC_SW_REQ (1 << 21)
+#define APMU_MOH_IDLE_CFG_MOH_MC_WAKE_EN (1 << 20)
+
+#define APMU_SQU_CLK_GATE_CTRL APMU_REG(0x001c)
+#define APMU_MC_HW_SLP_TYPE APMU_REG(0x00b0)
+
+#define MPMU_FCCR MPMU_REG(0x0008)
+#define MPMU_APCR MPMU_REG(0x1000)
+#define MPMU_APCR_AXISD (1 << 31)
+#define MPMU_APCR_DSPSD (1 << 30)
+#define MPMU_APCR_SLPEN (1 << 29)
+#define MPMU_APCR_DTCMSD (1 << 28)
+#define MPMU_APCR_DDRCORSD (1 << 27)
+#define MPMU_APCR_APBSD (1 << 26)
+#define MPMU_APCR_BBSD (1 << 25)
+#define MPMU_APCR_SLPWP0 (1 << 23)
+#define MPMU_APCR_SLPWP1 (1 << 22)
+#define MPMU_APCR_SLPWP2 (1 << 21)
+#define MPMU_APCR_SLPWP3 (1 << 20)
+#define MPMU_APCR_VCTCXOSD (1 << 19)
+#define MPMU_APCR_SLPWP4 (1 << 18)
+#define MPMU_APCR_SLPWP5 (1 << 17)
+#define MPMU_APCR_SLPWP6 (1 << 16)
+#define MPMU_APCR_SLPWP7 (1 << 15)
+#define MPMU_APCR_MSASLPEN (1 << 14)
+#define MPMU_APCR_STBYEN (1 << 13)
+
+#define MPMU_AWUCRM MPMU_REG(0x104c)
+#define MPMU_AWUCRM_AP_ASYNC_INT (1 << 25)
+#define MPMU_AWUCRM_AP_FULL_IDLE (1 << 24)
+#define MPMU_AWUCRM_SDH1 (1 << 23)
+#define MPMU_AWUCRM_SDH2 (1 << 22)
+#define MPMU_AWUCRM_KEYPRESS (1 << 21)
+#define MPMU_AWUCRM_TRACKBALL (1 << 20)
+#define MPMU_AWUCRM_NEWROTARY (1 << 19)
+#define MPMU_AWUCRM_RTC_ALARM (1 << 17)
+#define MPMU_AWUCRM_AP2_TIMER_3 (1 << 13)
+#define MPMU_AWUCRM_AP2_TIMER_2 (1 << 12)
+#define MPMU_AWUCRM_AP2_TIMER_1 (1 << 11)
+#define MPMU_AWUCRM_AP1_TIMER_3 (1 << 10)
+#define MPMU_AWUCRM_AP1_TIMER_2 (1 << 9)
+#define MPMU_AWUCRM_AP1_TIMER_1 (1 << 8)
+#define MPMU_AWUCRM_WAKEUP(x) (1 << ((x) & 0x7))
+
+enum {
+ POWER_MODE_ACTIVE = 0,
+ POWER_MODE_CORE_INTIDLE,
+ POWER_MODE_CORE_EXTIDLE,
+ POWER_MODE_APPS_IDLE,
+ POWER_MODE_APPS_SLEEP,
+ POWER_MODE_SYS_SLEEP,
+ POWER_MODE_HIBERNATE,
+ POWER_MODE_UDR,
+};
+
+extern int pxa910_set_wake(struct irq_data *data, unsigned int on);
+
+#endif
diff --git a/arch/arm/mach-mmp/include/mach/regs-apbc.h b/arch/arm/mach-mmp/include/mach/regs-apbc.h
index 8a37fb003655..68b0c93ec6a1 100644
--- a/arch/arm/mach-mmp/include/mach/regs-apbc.h
+++ b/arch/arm/mach-mmp/include/mach/regs-apbc.h
@@ -13,9 +13,6 @@
#include <mach/addr-map.h>
-#define APBC_VIRT_BASE (APB_VIRT_BASE + 0x015000)
-#define APBC_REG(x) (APBC_VIRT_BASE + (x))
-
/*
* APB clock register offsets for PXA168
*/
diff --git a/arch/arm/mach-mmp/include/mach/regs-apmu.h b/arch/arm/mach-mmp/include/mach/regs-apmu.h
index 8447ac63e28f..7af8deb63e83 100644
--- a/arch/arm/mach-mmp/include/mach/regs-apmu.h
+++ b/arch/arm/mach-mmp/include/mach/regs-apmu.h
@@ -13,9 +13,6 @@
#include <mach/addr-map.h>
-#define APMU_VIRT_BASE (AXI_VIRT_BASE + 0x82800)
-#define APMU_REG(x) (APMU_VIRT_BASE + (x))
-
/* Clock Reset Control */
#define APMU_IRE APMU_REG(0x048)
#define APMU_LCD APMU_REG(0x04c)
diff --git a/arch/arm/mach-mmp/irq-mmp2.c b/arch/arm/mach-mmp/irq-mmp2.c
deleted file mode 100644
index 7895d277421e..000000000000
--- a/arch/arm/mach-mmp/irq-mmp2.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * linux/arch/arm/mach-mmp/irq-mmp2.c
- *
- * Generic IRQ handling, GPIO IRQ demultiplexing, etc.
- *
- * Author: Haojian Zhuang <haojian.zhuang@marvell.com>
- * Copyright: Marvell International Ltd.
- *
- * 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.
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <mach/irqs.h>
-#include <mach/regs-icu.h>
-#include <mach/mmp2.h>
-
-#include "common.h"
-
-static void icu_mask_irq(struct irq_data *d)
-{
- uint32_t r = __raw_readl(ICU_INT_CONF(d->irq));
-
- r &= ~ICU_INT_ROUTE_PJ4_IRQ;
- __raw_writel(r, ICU_INT_CONF(d->irq));
-}
-
-static void icu_unmask_irq(struct irq_data *d)
-{
- uint32_t r = __raw_readl(ICU_INT_CONF(d->irq));
-
- r |= ICU_INT_ROUTE_PJ4_IRQ;
- __raw_writel(r, ICU_INT_CONF(d->irq));
-}
-
-static struct irq_chip icu_irq_chip = {
- .name = "icu_irq",
- .irq_mask = icu_mask_irq,
- .irq_mask_ack = icu_mask_irq,
- .irq_unmask = icu_unmask_irq,
-};
-
-static void pmic_irq_ack(struct irq_data *d)
-{
- if (d->irq == IRQ_MMP2_PMIC)
- mmp2_clear_pmic_int();
-}
-
-#define SECOND_IRQ_MASK(_name_, irq_base, prefix) \
-static void _name_##_mask_irq(struct irq_data *d) \
-{ \
- uint32_t r; \
- r = __raw_readl(prefix##_MASK) | (1 << (d->irq - irq_base)); \
- __raw_writel(r, prefix##_MASK); \
-}
-
-#define SECOND_IRQ_UNMASK(_name_, irq_base, prefix) \
-static void _name_##_unmask_irq(struct irq_data *d) \
-{ \
- uint32_t r; \
- r = __raw_readl(prefix##_MASK) & ~(1 << (d->irq - irq_base)); \
- __raw_writel(r, prefix##_MASK); \
-}
-
-#define SECOND_IRQ_DEMUX(_name_, irq_base, prefix) \
-static void _name_##_irq_demux(unsigned int irq, struct irq_desc *desc) \
-{ \
- unsigned long status, mask, n; \
- mask = __raw_readl(prefix##_MASK); \
- while (1) { \
- status = __raw_readl(prefix##_STATUS) & ~mask; \
- if (status == 0) \
- break; \
- n = find_first_bit(&status, BITS_PER_LONG); \
- while (n < BITS_PER_LONG) { \
- generic_handle_irq(irq_base + n); \
- n = find_next_bit(&status, BITS_PER_LONG, n+1); \
- } \
- } \
-}
-
-#define SECOND_IRQ_CHIP(_name_, irq_base, prefix) \
-SECOND_IRQ_MASK(_name_, irq_base, prefix) \
-SECOND_IRQ_UNMASK(_name_, irq_base, prefix) \
-SECOND_IRQ_DEMUX(_name_, irq_base, prefix) \
-static struct irq_chip _name_##_irq_chip = { \
- .name = #_name_, \
- .irq_mask = _name_##_mask_irq, \
- .irq_unmask = _name_##_unmask_irq, \
-}
-
-SECOND_IRQ_CHIP(pmic, IRQ_MMP2_PMIC_BASE, MMP2_ICU_INT4);
-SECOND_IRQ_CHIP(rtc, IRQ_MMP2_RTC_BASE, MMP2_ICU_INT5);
-SECOND_IRQ_CHIP(twsi, IRQ_MMP2_TWSI_BASE, MMP2_ICU_INT17);
-SECOND_IRQ_CHIP(misc, IRQ_MMP2_MISC_BASE, MMP2_ICU_INT35);
-SECOND_IRQ_CHIP(ssp, IRQ_MMP2_SSP_BASE, MMP2_ICU_INT51);
-
-static void init_mux_irq(struct irq_chip *chip, int start, int num)
-{
- int irq;
-
- for (irq = start; num > 0; irq++, num--) {
- struct irq_data *d = irq_get_irq_data(irq);
-
- /* mask and clear the IRQ */
- chip->irq_mask(d);
- if (chip->irq_ack)
- chip->irq_ack(d);
-
- irq_set_chip(irq, chip);
- set_irq_flags(irq, IRQF_VALID);
- irq_set_handler(irq, handle_level_irq);
- }
-}
-
-void __init mmp2_init_icu(void)
-{
- int irq;
-
- for (irq = 0; irq < IRQ_MMP2_MUX_BASE; irq++) {
- icu_mask_irq(irq_get_irq_data(irq));
- irq_set_chip(irq, &icu_irq_chip);
- set_irq_flags(irq, IRQF_VALID);
-
- switch (irq) {
- case IRQ_MMP2_PMIC_MUX:
- case IRQ_MMP2_RTC_MUX:
- case IRQ_MMP2_TWSI_MUX:
- case IRQ_MMP2_MISC_MUX:
- case IRQ_MMP2_SSP_MUX:
- break;
- default:
- irq_set_handler(irq, handle_level_irq);
- break;
- }
- }
-
- /* NOTE: IRQ_MMP2_PMIC requires the PMIC MFPR register
- * to be written to clear the interrupt
- */
- pmic_irq_chip.irq_ack = pmic_irq_ack;
-
- init_mux_irq(&pmic_irq_chip, IRQ_MMP2_PMIC_BASE, 2);
- init_mux_irq(&rtc_irq_chip, IRQ_MMP2_RTC_BASE, 2);
- init_mux_irq(&twsi_irq_chip, IRQ_MMP2_TWSI_BASE, 5);
- init_mux_irq(&misc_irq_chip, IRQ_MMP2_MISC_BASE, 15);
- init_mux_irq(&ssp_irq_chip, IRQ_MMP2_SSP_BASE, 2);
-
- irq_set_chained_handler(IRQ_MMP2_PMIC_MUX, pmic_irq_demux);
- irq_set_chained_handler(IRQ_MMP2_RTC_MUX, rtc_irq_demux);
- irq_set_chained_handler(IRQ_MMP2_TWSI_MUX, twsi_irq_demux);
- irq_set_chained_handler(IRQ_MMP2_MISC_MUX, misc_irq_demux);
- irq_set_chained_handler(IRQ_MMP2_SSP_MUX, ssp_irq_demux);
-}
diff --git a/arch/arm/mach-mmp/irq-pxa168.c b/arch/arm/mach-mmp/irq-pxa168.c
deleted file mode 100644
index 89706a0d08f1..000000000000
--- a/arch/arm/mach-mmp/irq-pxa168.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * linux/arch/arm/mach-mmp/irq.c
- *
- * Generic IRQ handling, GPIO IRQ demultiplexing, etc.
- *
- * Author: Bin Yang <bin.yang@marvell.com>
- * Created: Sep 30, 2008
- * Copyright: Marvell International Ltd.
- *
- * 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.
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <mach/regs-icu.h>
-
-#include "common.h"
-
-#define IRQ_ROUTE_TO_AP (ICU_INT_CONF_AP_INT | ICU_INT_CONF_IRQ)
-
-#define PRIORITY_DEFAULT 0x1
-#define PRIORITY_NONE 0x0 /* means IRQ disabled */
-
-static void icu_mask_irq(struct irq_data *d)
-{
- __raw_writel(PRIORITY_NONE, ICU_INT_CONF(d->irq));
-}
-
-static void icu_unmask_irq(struct irq_data *d)
-{
- __raw_writel(IRQ_ROUTE_TO_AP | PRIORITY_DEFAULT, ICU_INT_CONF(d->irq));
-}
-
-static struct irq_chip icu_irq_chip = {
- .name = "icu_irq",
- .irq_ack = icu_mask_irq,
- .irq_mask = icu_mask_irq,
- .irq_unmask = icu_unmask_irq,
-};
-
-void __init icu_init_irq(void)
-{
- int irq;
-
- for (irq = 0; irq < 64; irq++) {
- icu_mask_irq(irq_get_irq_data(irq));
- irq_set_chip_and_handler(irq, &icu_irq_chip, handle_level_irq);
- set_irq_flags(irq, IRQF_VALID);
- }
-}
diff --git a/arch/arm/mach-mmp/irq.c b/arch/arm/mach-mmp/irq.c
new file mode 100644
index 000000000000..fcfe0e3bd701
--- /dev/null
+++ b/arch/arm/mach-mmp/irq.c
@@ -0,0 +1,458 @@
+/*
+ * linux/arch/arm/mach-mmp/irq.c
+ *
+ * Generic IRQ handling, GPIO IRQ demultiplexing, etc.
+ * Copyright (C) 2008 - 2012 Marvell Technology Group Ltd.
+ *
+ * Author: Bin Yang <bin.yang@marvell.com>
+ * Haojian Zhuang <haojian.zhuang@gmail.com>
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+
+#include <mach/irqs.h>
+
+#ifdef CONFIG_CPU_MMP2
+#include <mach/pm-mmp2.h>
+#endif
+#ifdef CONFIG_CPU_PXA910
+#include <mach/pm-pxa910.h>
+#endif
+
+#include "common.h"
+
+#define MAX_ICU_NR 16
+
+struct icu_chip_data {
+ int nr_irqs;
+ unsigned int virq_base;
+ unsigned int cascade_irq;
+ void __iomem *reg_status;
+ void __iomem *reg_mask;
+ unsigned int conf_enable;
+ unsigned int conf_disable;
+ unsigned int conf_mask;
+ unsigned int clr_mfp_irq_base;
+ unsigned int clr_mfp_hwirq;
+ struct irq_domain *domain;
+};
+
+struct mmp_intc_conf {
+ unsigned int conf_enable;
+ unsigned int conf_disable;
+ unsigned int conf_mask;
+};
+
+void __iomem *mmp_icu_base;
+static struct icu_chip_data icu_data[MAX_ICU_NR];
+static int max_icu_nr;
+
+extern void mmp2_clear_pmic_int(void);
+
+static void icu_mask_ack_irq(struct irq_data *d)
+{
+ struct irq_domain *domain = d->domain;
+ struct icu_chip_data *data = (struct icu_chip_data *)domain->host_data;
+ int hwirq;
+ u32 r;
+
+ hwirq = d->irq - data->virq_base;
+ if (data == &icu_data[0]) {
+ r = readl_relaxed(mmp_icu_base + (hwirq << 2));
+ r &= ~data->conf_mask;
+ r |= data->conf_disable;
+ writel_relaxed(r, mmp_icu_base + (hwirq << 2));
+ } else {
+#ifdef CONFIG_CPU_MMP2
+ if ((data->virq_base == data->clr_mfp_irq_base)
+ && (hwirq == data->clr_mfp_hwirq))
+ mmp2_clear_pmic_int();
+#endif
+ r = readl_relaxed(data->reg_mask) | (1 << hwirq);
+ writel_relaxed(r, data->reg_mask);
+ }
+}
+
+static void icu_mask_irq(struct irq_data *d)
+{
+ struct irq_domain *domain = d->domain;
+ struct icu_chip_data *data = (struct icu_chip_data *)domain->host_data;
+ int hwirq;
+ u32 r;
+
+ hwirq = d->irq - data->virq_base;
+ if (data == &icu_data[0]) {
+ r = readl_relaxed(mmp_icu_base + (hwirq << 2));
+ r &= ~data->conf_mask;
+ r |= data->conf_disable;
+ writel_relaxed(r, mmp_icu_base + (hwirq << 2));
+ } else {
+ r = readl_relaxed(data->reg_mask) | (1 << hwirq);
+ writel_relaxed(r, data->reg_mask);
+ }
+}
+
+static void icu_unmask_irq(struct irq_data *d)
+{
+ struct irq_domain *domain = d->domain;
+ struct icu_chip_data *data = (struct icu_chip_data *)domain->host_data;
+ int hwirq;
+ u32 r;
+
+ hwirq = d->irq - data->virq_base;
+ if (data == &icu_data[0]) {
+ r = readl_relaxed(mmp_icu_base + (hwirq << 2));
+ r &= ~data->conf_mask;
+ r |= data->conf_enable;
+ writel_relaxed(r, mmp_icu_base + (hwirq << 2));
+ } else {
+ r = readl_relaxed(data->reg_mask) & ~(1 << hwirq);
+ writel_relaxed(r, data->reg_mask);
+ }
+}
+
+static struct irq_chip icu_irq_chip = {
+ .name = "icu_irq",
+ .irq_mask = icu_mask_irq,
+ .irq_mask_ack = icu_mask_ack_irq,
+ .irq_unmask = icu_unmask_irq,
+};
+
+static void icu_mux_irq_demux(unsigned int irq, struct irq_desc *desc)
+{
+ struct irq_domain *domain;
+ struct icu_chip_data *data;
+ int i;
+ unsigned long mask, status, n;
+
+ for (i = 1; i < max_icu_nr; i++) {
+ if (irq == icu_data[i].cascade_irq) {
+ domain = icu_data[i].domain;
+ data = (struct icu_chip_data *)domain->host_data;
+ break;
+ }
+ }
+ if (i >= max_icu_nr) {
+ pr_err("Spurious irq %d in MMP INTC\n", irq);
+ return;
+ }
+
+ mask = readl_relaxed(data->reg_mask);
+ while (1) {
+ status = readl_relaxed(data->reg_status) & ~mask;
+ if (status == 0)
+ break;
+ n = find_first_bit(&status, BITS_PER_LONG);
+ while (n < BITS_PER_LONG) {
+ generic_handle_irq(icu_data[i].virq_base + n);
+ n = find_next_bit(&status, BITS_PER_LONG, n + 1);
+ }
+ }
+}
+
+static int mmp_irq_domain_map(struct irq_domain *d, unsigned int irq,
+ irq_hw_number_t hw)
+{
+ irq_set_chip_and_handler(irq, &icu_irq_chip, handle_level_irq);
+ set_irq_flags(irq, IRQF_VALID);
+ return 0;
+}
+
+static int mmp_irq_domain_xlate(struct irq_domain *d, struct device_node *node,
+ const u32 *intspec, unsigned int intsize,
+ unsigned long *out_hwirq,
+ unsigned int *out_type)
+{
+ *out_hwirq = intspec[0];
+ return 0;
+}
+
+const struct irq_domain_ops mmp_irq_domain_ops = {
+ .map = mmp_irq_domain_map,
+ .xlate = mmp_irq_domain_xlate,
+};
+
+static struct mmp_intc_conf mmp_conf = {
+ .conf_enable = 0x51,
+ .conf_disable = 0x0,
+ .conf_mask = 0x7f,
+};
+
+static struct mmp_intc_conf mmp2_conf = {
+ .conf_enable = 0x20,
+ .conf_disable = 0x0,
+ .conf_mask = 0x7f,
+};
+
+/* MMP (ARMv5) */
+void __init icu_init_irq(void)
+{
+ int irq;
+
+ max_icu_nr = 1;
+ mmp_icu_base = ioremap(0xd4282000, 0x1000);
+ icu_data[0].conf_enable = mmp_conf.conf_enable;
+ icu_data[0].conf_disable = mmp_conf.conf_disable;
+ icu_data[0].conf_mask = mmp_conf.conf_mask;
+ icu_data[0].nr_irqs = 64;
+ icu_data[0].virq_base = 0;
+ icu_data[0].domain = irq_domain_add_legacy(NULL, 64, 0, 0,
+ &irq_domain_simple_ops,
+ &icu_data[0]);
+ for (irq = 0; irq < 64; irq++) {
+ icu_mask_irq(irq_get_irq_data(irq));
+ irq_set_chip_and_handler(irq, &icu_irq_chip, handle_level_irq);
+ set_irq_flags(irq, IRQF_VALID);
+ }
+ irq_set_default_host(icu_data[0].domain);
+#ifdef CONFIG_CPU_PXA910
+ icu_irq_chip.irq_set_wake = pxa910_set_wake;
+#endif
+}
+
+/* MMP2 (ARMv7) */
+void __init mmp2_init_icu(void)
+{
+ int irq;
+
+ max_icu_nr = 8;
+ mmp_icu_base = ioremap(0xd4282000, 0x1000);
+ icu_data[0].conf_enable = mmp2_conf.conf_enable;
+ icu_data[0].conf_disable = mmp2_conf.conf_disable;
+ icu_data[0].conf_mask = mmp2_conf.conf_mask;
+ icu_data[0].nr_irqs = 64;
+ icu_data[0].virq_base = 0;
+ icu_data[0].domain = irq_domain_add_legacy(NULL, 64, 0, 0,
+ &irq_domain_simple_ops,
+ &icu_data[0]);
+ icu_data[1].reg_status = mmp_icu_base + 0x150;
+ icu_data[1].reg_mask = mmp_icu_base + 0x168;
+ icu_data[1].clr_mfp_irq_base = IRQ_MMP2_PMIC_BASE;
+ icu_data[1].clr_mfp_hwirq = IRQ_MMP2_PMIC - IRQ_MMP2_PMIC_BASE;
+ icu_data[1].nr_irqs = 2;
+ icu_data[1].virq_base = IRQ_MMP2_PMIC_BASE;
+ icu_data[1].domain = irq_domain_add_legacy(NULL, icu_data[1].nr_irqs,
+ icu_data[1].virq_base, 0,
+ &irq_domain_simple_ops,
+ &icu_data[1]);
+ icu_data[2].reg_status = mmp_icu_base + 0x154;
+ icu_data[2].reg_mask = mmp_icu_base + 0x16c;
+ icu_data[2].nr_irqs = 2;
+ icu_data[2].virq_base = IRQ_MMP2_RTC_BASE;
+ icu_data[2].domain = irq_domain_add_legacy(NULL, icu_data[2].nr_irqs,
+ icu_data[2].virq_base, 0,
+ &irq_domain_simple_ops,
+ &icu_data[2]);
+ icu_data[3].reg_status = mmp_icu_base + 0x180;
+ icu_data[3].reg_mask = mmp_icu_base + 0x17c;
+ icu_data[3].nr_irqs = 3;
+ icu_data[3].virq_base = IRQ_MMP2_KEYPAD_BASE;
+ icu_data[3].domain = irq_domain_add_legacy(NULL, icu_data[3].nr_irqs,
+ icu_data[3].virq_base, 0,
+ &irq_domain_simple_ops,
+ &icu_data[3]);
+ icu_data[4].reg_status = mmp_icu_base + 0x158;
+ icu_data[4].reg_mask = mmp_icu_base + 0x170;
+ icu_data[4].nr_irqs = 5;
+ icu_data[4].virq_base = IRQ_MMP2_TWSI_BASE;
+ icu_data[4].domain = irq_domain_add_legacy(NULL, icu_data[4].nr_irqs,
+ icu_data[4].virq_base, 0,
+ &irq_domain_simple_ops,
+ &icu_data[4]);
+ icu_data[5].reg_status = mmp_icu_base + 0x15c;
+ icu_data[5].reg_mask = mmp_icu_base + 0x174;
+ icu_data[5].nr_irqs = 15;
+ icu_data[5].virq_base = IRQ_MMP2_MISC_BASE;
+ icu_data[5].domain = irq_domain_add_legacy(NULL, icu_data[5].nr_irqs,
+ icu_data[5].virq_base, 0,
+ &irq_domain_simple_ops,
+ &icu_data[5]);
+ icu_data[6].reg_status = mmp_icu_base + 0x160;
+ icu_data[6].reg_mask = mmp_icu_base + 0x178;
+ icu_data[6].nr_irqs = 2;
+ icu_data[6].virq_base = IRQ_MMP2_MIPI_HSI1_BASE;
+ icu_data[6].domain = irq_domain_add_legacy(NULL, icu_data[6].nr_irqs,
+ icu_data[6].virq_base, 0,
+ &irq_domain_simple_ops,
+ &icu_data[6]);
+ icu_data[7].reg_status = mmp_icu_base + 0x188;
+ icu_data[7].reg_mask = mmp_icu_base + 0x184;
+ icu_data[7].nr_irqs = 2;
+ icu_data[7].virq_base = IRQ_MMP2_MIPI_HSI0_BASE;
+ icu_data[7].domain = irq_domain_add_legacy(NULL, icu_data[7].nr_irqs,
+ icu_data[7].virq_base, 0,
+ &irq_domain_simple_ops,
+ &icu_data[7]);
+ for (irq = 0; irq < IRQ_MMP2_MUX_END; irq++) {
+ icu_mask_irq(irq_get_irq_data(irq));
+ switch (irq) {
+ case IRQ_MMP2_PMIC_MUX:
+ case IRQ_MMP2_RTC_MUX:
+ case IRQ_MMP2_KEYPAD_MUX:
+ case IRQ_MMP2_TWSI_MUX:
+ case IRQ_MMP2_MISC_MUX:
+ case IRQ_MMP2_MIPI_HSI1_MUX:
+ case IRQ_MMP2_MIPI_HSI0_MUX:
+ irq_set_chip(irq, &icu_irq_chip);
+ irq_set_chained_handler(irq, icu_mux_irq_demux);
+ break;
+ default:
+ irq_set_chip_and_handler(irq, &icu_irq_chip,
+ handle_level_irq);
+ break;
+ }
+ set_irq_flags(irq, IRQF_VALID);
+ }
+ irq_set_default_host(icu_data[0].domain);
+#ifdef CONFIG_CPU_MMP2
+ icu_irq_chip.irq_set_wake = mmp2_set_wake;
+#endif
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id intc_ids[] __initconst = {
+ { .compatible = "mrvl,mmp-intc", .data = &mmp_conf },
+ { .compatible = "mrvl,mmp2-intc", .data = &mmp2_conf },
+ {}
+};
+
+static const struct of_device_id mmp_mux_irq_match[] __initconst = {
+ { .compatible = "mrvl,mmp2-mux-intc" },
+ {}
+};
+
+int __init mmp2_mux_init(struct device_node *parent)
+{
+ struct device_node *node;
+ const struct of_device_id *of_id;
+ struct resource res;
+ int i, irq_base, ret, irq;
+ u32 nr_irqs, mfp_irq;
+
+ node = parent;
+ max_icu_nr = 1;
+ for (i = 1; i < MAX_ICU_NR; i++) {
+ node = of_find_matching_node(node, mmp_mux_irq_match);
+ if (!node)
+ break;
+ of_id = of_match_node(&mmp_mux_irq_match[0], node);
+ ret = of_property_read_u32(node, "mrvl,intc-nr-irqs",
+ &nr_irqs);
+ if (ret) {
+ pr_err("Not found mrvl,intc-nr-irqs property\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ ret = of_address_to_resource(node, 0, &res);
+ if (ret < 0) {
+ pr_err("Not found reg property\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ icu_data[i].reg_status = mmp_icu_base + res.start;
+ ret = of_address_to_resource(node, 1, &res);
+ if (ret < 0) {
+ pr_err("Not found reg property\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ icu_data[i].reg_mask = mmp_icu_base + res.start;
+ icu_data[i].cascade_irq = irq_of_parse_and_map(node, 0);
+ if (!icu_data[i].cascade_irq) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ irq_base = irq_alloc_descs(-1, 0, nr_irqs, 0);
+ if (irq_base < 0) {
+ pr_err("Failed to allocate IRQ numbers for mux intc\n");
+ ret = irq_base;
+ goto err;
+ }
+ if (!of_property_read_u32(node, "mrvl,clr-mfp-irq",
+ &mfp_irq)) {
+ icu_data[i].clr_mfp_irq_base = irq_base;
+ icu_data[i].clr_mfp_hwirq = mfp_irq;
+ }
+ irq_set_chained_handler(icu_data[i].cascade_irq,
+ icu_mux_irq_demux);
+ icu_data[i].nr_irqs = nr_irqs;
+ icu_data[i].virq_base = irq_base;
+ icu_data[i].domain = irq_domain_add_legacy(node, nr_irqs,
+ irq_base, 0,
+ &mmp_irq_domain_ops,
+ &icu_data[i]);
+ for (irq = irq_base; irq < irq_base + nr_irqs; irq++)
+ icu_mask_irq(irq_get_irq_data(irq));
+ }
+ max_icu_nr = i;
+ return 0;
+err:
+ of_node_put(node);
+ max_icu_nr = i;
+ return ret;
+}
+
+void __init mmp_dt_irq_init(void)
+{
+ struct device_node *node;
+ const struct of_device_id *of_id;
+ struct mmp_intc_conf *conf;
+ int nr_irqs, irq_base, ret, irq;
+
+ node = of_find_matching_node(NULL, intc_ids);
+ if (!node) {
+ pr_err("Failed to find interrupt controller in arch-mmp\n");
+ return;
+ }
+ of_id = of_match_node(intc_ids, node);
+ conf = of_id->data;
+
+ ret = of_property_read_u32(node, "mrvl,intc-nr-irqs", &nr_irqs);
+ if (ret) {
+ pr_err("Not found mrvl,intc-nr-irqs property\n");
+ return;
+ }
+
+ mmp_icu_base = of_iomap(node, 0);
+ if (!mmp_icu_base) {
+ pr_err("Failed to get interrupt controller register\n");
+ return;
+ }
+
+ irq_base = irq_alloc_descs(-1, 0, nr_irqs - NR_IRQS_LEGACY, 0);
+ if (irq_base < 0) {
+ pr_err("Failed to allocate IRQ numbers\n");
+ goto err;
+ } else if (irq_base != NR_IRQS_LEGACY) {
+ pr_err("ICU's irqbase should be started from 0\n");
+ goto err;
+ }
+ icu_data[0].conf_enable = conf->conf_enable;
+ icu_data[0].conf_disable = conf->conf_disable;
+ icu_data[0].conf_mask = conf->conf_mask;
+ icu_data[0].nr_irqs = nr_irqs;
+ icu_data[0].virq_base = 0;
+ icu_data[0].domain = irq_domain_add_legacy(node, nr_irqs, 0, 0,
+ &mmp_irq_domain_ops,
+ &icu_data[0]);
+ irq_set_default_host(icu_data[0].domain);
+ for (irq = 0; irq < nr_irqs; irq++)
+ icu_mask_irq(irq_get_irq_data(irq));
+ mmp2_mux_init(node);
+ return;
+err:
+ iounmap(mmp_icu_base);
+}
+#endif
diff --git a/arch/arm/mach-mmp/mmp-dt.c b/arch/arm/mach-mmp/mmp-dt.c
index 67075395e400..033cc31b3c72 100644
--- a/arch/arm/mach-mmp/mmp-dt.c
+++ b/arch/arm/mach-mmp/mmp-dt.c
@@ -14,14 +14,19 @@
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
#include <mach/irqs.h>
#include "common.h"
-extern struct sys_timer pxa168_timer;
-extern void __init icu_init_irq(void);
+extern void __init mmp_dt_irq_init(void);
+extern void __init mmp_dt_init_timer(void);
-static const struct of_dev_auxdata mmp_auxdata_lookup[] __initconst = {
+static struct sys_timer mmp_dt_timer = {
+ .init = mmp_dt_init_timer,
+};
+
+static const struct of_dev_auxdata pxa168_auxdata_lookup[] __initconst = {
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL),
@@ -32,44 +37,47 @@ static const struct of_dev_auxdata mmp_auxdata_lookup[] __initconst = {
{}
};
-static int __init mmp_intc_add_irq_domain(struct device_node *np,
- struct device_node *parent)
-{
- irq_domain_add_simple(np, 0);
- return 0;
-}
-
-static int __init mmp_gpio_add_irq_domain(struct device_node *np,
- struct device_node *parent)
-{
- irq_domain_add_simple(np, IRQ_GPIO_START);
- return 0;
-}
-
-static const struct of_device_id mmp_irq_match[] __initconst = {
- { .compatible = "mrvl,mmp-intc", .data = mmp_intc_add_irq_domain, },
- { .compatible = "mrvl,mmp-gpio", .data = mmp_gpio_add_irq_domain, },
+static const struct of_dev_auxdata pxa910_auxdata_lookup[] __initconst = {
+ OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4036000, "pxa2xx-uart.2", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4037000, "pxa2xx-i2c.1", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
{}
};
-static void __init mmp_dt_init(void)
+static void __init pxa168_dt_init(void)
{
+ of_platform_populate(NULL, of_default_bus_match_table,
+ pxa168_auxdata_lookup, NULL);
+}
- of_irq_init(mmp_irq_match);
-
+static void __init pxa910_dt_init(void)
+{
of_platform_populate(NULL, of_default_bus_match_table,
- mmp_auxdata_lookup, NULL);
+ pxa910_auxdata_lookup, NULL);
}
-static const char *pxa168_dt_board_compat[] __initdata = {
+static const char *mmp_dt_board_compat[] __initdata = {
"mrvl,pxa168-aspenite",
+ "mrvl,pxa910-dkb",
NULL,
};
DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
.map_io = mmp_map_io,
- .init_irq = icu_init_irq,
- .timer = &pxa168_timer,
- .init_machine = mmp_dt_init,
- .dt_compat = pxa168_dt_board_compat,
+ .init_irq = mmp_dt_irq_init,
+ .timer = &mmp_dt_timer,
+ .init_machine = pxa168_dt_init,
+ .dt_compat = mmp_dt_board_compat,
+MACHINE_END
+
+DT_MACHINE_START(PXA910_DT, "Marvell PXA910 (Device Tree Support)")
+ .map_io = mmp_map_io,
+ .init_irq = mmp_dt_irq_init,
+ .timer = &mmp_dt_timer,
+ .init_machine = pxa910_dt_init,
+ .dt_compat = mmp_dt_board_compat,
MACHINE_END
diff --git a/arch/arm/mach-mmp/mmp2-dt.c b/arch/arm/mach-mmp/mmp2-dt.c
new file mode 100644
index 000000000000..535a5ed5977b
--- /dev/null
+++ b/arch/arm/mach-mmp/mmp2-dt.c
@@ -0,0 +1,60 @@
+/*
+ * linux/arch/arm/mach-mmp/mmp2-dt.c
+ *
+ * Copyright (C) 2012 Marvell Technology Group Ltd.
+ * Author: Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * 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
+ * publishhed by the Free Software Foundation.
+ */
+
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/irqs.h>
+#include <mach/regs-apbc.h>
+
+#include "common.h"
+
+extern void __init mmp_dt_irq_init(void);
+extern void __init mmp_dt_init_timer(void);
+
+static struct sys_timer mmp_dt_timer = {
+ .init = mmp_dt_init_timer,
+};
+
+static const struct of_dev_auxdata mmp2_auxdata_lookup[] __initconst = {
+ OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4030000, "pxa2xx-uart.0", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.1", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.2", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4016000, "pxa2xx-uart.3", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
+ {}
+};
+
+static void __init mmp2_dt_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table,
+ mmp2_auxdata_lookup, NULL);
+}
+
+static const char *mmp2_dt_board_compat[] __initdata = {
+ "mrvl,mmp2-brownstone",
+ NULL,
+};
+
+DT_MACHINE_START(MMP2_DT, "Marvell MMP2 (Device Tree Support)")
+ .map_io = mmp_map_io,
+ .init_irq = mmp_dt_irq_init,
+ .timer = &mmp_dt_timer,
+ .init_machine = mmp2_dt_init,
+ .dt_compat = mmp2_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-mmp/pm-mmp2.c b/arch/arm/mach-mmp/pm-mmp2.c
new file mode 100644
index 000000000000..461a191a32d2
--- /dev/null
+++ b/arch/arm/mach-mmp/pm-mmp2.c
@@ -0,0 +1,264 @@
+/*
+ * MMP2 Power Management Routines
+ *
+ * This software program is licensed subject to the GNU General Public License
+ * (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html
+ *
+ * (C) Copyright 2012 Marvell International Ltd.
+ * All Rights Reserved
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/time.h>
+#include <linux/delay.h>
+#include <linux/suspend.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <mach/cputype.h>
+#include <mach/addr-map.h>
+#include <mach/pm-mmp2.h>
+#include <mach/regs-icu.h>
+#include <mach/irqs.h>
+
+int mmp2_set_wake(struct irq_data *d, unsigned int on)
+{
+ int irq = d->irq;
+ struct irq_desc *desc = irq_to_desc(irq);
+ unsigned long data = 0;
+
+ if (unlikely(irq >= nr_irqs)) {
+ pr_err("IRQ nubmers are out of boundary!\n");
+ return -EINVAL;
+ }
+
+ if (on) {
+ if (desc->action)
+ desc->action->flags |= IRQF_NO_SUSPEND;
+ } else {
+ if (desc->action)
+ desc->action->flags &= ~IRQF_NO_SUSPEND;
+ }
+
+ /* enable wakeup sources */
+ switch (irq) {
+ case IRQ_MMP2_RTC:
+ case IRQ_MMP2_RTC_ALARM:
+ data = MPMU_WUCRM_PJ_WAKEUP(4) | MPMU_WUCRM_PJ_RTC_ALARM;
+ break;
+ case IRQ_MMP2_PMIC:
+ data = MPMU_WUCRM_PJ_WAKEUP(7);
+ break;
+ case IRQ_MMP2_MMC2:
+ /* mmc use WAKEUP2, same as GPIO wakeup source */
+ data = MPMU_WUCRM_PJ_WAKEUP(2);
+ break;
+ }
+ if (on) {
+ if (data) {
+ data |= __raw_readl(MPMU_WUCRM_PJ);
+ __raw_writel(data, MPMU_WUCRM_PJ);
+ }
+ } else {
+ if (data) {
+ data = ~data & __raw_readl(MPMU_WUCRM_PJ);
+ __raw_writel(data, MPMU_WUCRM_PJ);
+ }
+ }
+ return 0;
+}
+
+static void pm_scu_clk_disable(void)
+{
+ unsigned int val;
+
+ /* close AXI fabric clock gate */
+ __raw_writel(0x0, CIU_REG(0x64));
+ __raw_writel(0x0, CIU_REG(0x68));
+
+ /* close MCB master clock gate */
+ val = __raw_readl(CIU_REG(0x1c));
+ val |= 0xf0;
+ __raw_writel(val, CIU_REG(0x1c));
+
+ return ;
+}
+
+static void pm_scu_clk_enable(void)
+{
+ unsigned int val;
+
+ /* open AXI fabric clock gate */
+ __raw_writel(0x03003003, CIU_REG(0x64));
+ __raw_writel(0x00303030, CIU_REG(0x68));
+
+ /* open MCB master clock gate */
+ val = __raw_readl(CIU_REG(0x1c));
+ val &= ~(0xf0);
+ __raw_writel(val, CIU_REG(0x1c));
+
+ return ;
+}
+
+static void pm_mpmu_clk_disable(void)
+{
+ /*
+ * disable clocks in MPMU_CGR_PJ register
+ * except clock for APMU_PLL1, APMU_PLL1_2 and AP_26M
+ */
+ __raw_writel(0x0000a010, MPMU_CGR_PJ);
+}
+
+static void pm_mpmu_clk_enable(void)
+{
+ unsigned int val;
+
+ __raw_writel(0xdffefffe, MPMU_CGR_PJ);
+ val = __raw_readl(MPMU_PLL2_CTRL1);
+ val |= (1 << 29);
+ __raw_writel(val, MPMU_PLL2_CTRL1);
+
+ return ;
+}
+
+void mmp2_pm_enter_lowpower_mode(int state)
+{
+ uint32_t idle_cfg, apcr;
+
+ idle_cfg = __raw_readl(APMU_PJ_IDLE_CFG);
+ apcr = __raw_readl(MPMU_PCR_PJ);
+ apcr &= ~(MPMU_PCR_PJ_SLPEN | MPMU_PCR_PJ_DDRCORSD | MPMU_PCR_PJ_APBSD
+ | MPMU_PCR_PJ_AXISD | MPMU_PCR_PJ_VCTCXOSD | (1 << 13));
+ idle_cfg &= ~APMU_PJ_IDLE_CFG_PJ_IDLE;
+
+ switch (state) {
+ case POWER_MODE_SYS_SLEEP:
+ apcr |= MPMU_PCR_PJ_SLPEN; /* set the SLPEN bit */
+ apcr |= MPMU_PCR_PJ_VCTCXOSD; /* set VCTCXOSD */
+ /* fall through */
+ case POWER_MODE_CHIP_SLEEP:
+ apcr |= MPMU_PCR_PJ_SLPEN;
+ /* fall through */
+ case POWER_MODE_APPS_SLEEP:
+ apcr |= MPMU_PCR_PJ_APBSD; /* set APBSD */
+ /* fall through */
+ case POWER_MODE_APPS_IDLE:
+ apcr |= MPMU_PCR_PJ_AXISD; /* set AXISDD bit */
+ apcr |= MPMU_PCR_PJ_DDRCORSD; /* set DDRCORSD bit */
+ idle_cfg |= APMU_PJ_IDLE_CFG_PJ_PWRDWN; /* PJ power down */
+ apcr |= MPMU_PCR_PJ_SPSD;
+ /* fall through */
+ case POWER_MODE_CORE_EXTIDLE:
+ idle_cfg |= APMU_PJ_IDLE_CFG_PJ_IDLE; /* set the IDLE bit */
+ idle_cfg &= ~APMU_PJ_IDLE_CFG_ISO_MODE_CNTRL_MASK;
+ idle_cfg |= APMU_PJ_IDLE_CFG_PWR_SW(3)
+ | APMU_PJ_IDLE_CFG_L2_PWR_SW;
+ break;
+ case POWER_MODE_CORE_INTIDLE:
+ apcr &= ~MPMU_PCR_PJ_SPSD;
+ break;
+ }
+
+ /* set reserve bits */
+ apcr |= (1 << 30) | (1 << 25);
+
+ /* finally write the registers back */
+ __raw_writel(idle_cfg, APMU_PJ_IDLE_CFG);
+ __raw_writel(apcr, MPMU_PCR_PJ); /* 0xfe086000 */
+}
+
+static int mmp2_pm_enter(suspend_state_t state)
+{
+ int temp;
+
+ temp = __raw_readl(MMP2_ICU_INT4_MASK);
+ if (temp & (1 << 1)) {
+ printk(KERN_ERR "%s: PMIC interrupt is handling\n", __func__);
+ return -EAGAIN;
+ }
+
+ temp = __raw_readl(APMU_SRAM_PWR_DWN);
+ temp |= ((1 << 19) | (1 << 18));
+ __raw_writel(temp, APMU_SRAM_PWR_DWN);
+ pm_mpmu_clk_disable();
+ pm_scu_clk_disable();
+
+ printk(KERN_INFO "%s: before suspend\n", __func__);
+ cpu_do_idle();
+ printk(KERN_INFO "%s: after suspend\n", __func__);
+
+ pm_mpmu_clk_enable(); /* enable clocks in MPMU */
+ pm_scu_clk_enable(); /* enable clocks in SCU */
+
+ return 0;
+}
+
+/*
+ * Called after processes are frozen, but before we shut down devices.
+ */
+static int mmp2_pm_prepare(void)
+{
+ mmp2_pm_enter_lowpower_mode(POWER_MODE_SYS_SLEEP);
+
+ return 0;
+}
+
+/*
+ * Called after devices are re-setup, but before processes are thawed.
+ */
+static void mmp2_pm_finish(void)
+{
+ mmp2_pm_enter_lowpower_mode(POWER_MODE_CORE_INTIDLE);
+}
+
+static int mmp2_pm_valid(suspend_state_t state)
+{
+ return ((state == PM_SUSPEND_STANDBY) || (state == PM_SUSPEND_MEM));
+}
+
+/*
+ * Set to PM_DISK_FIRMWARE so we can quickly veto suspend-to-disk.
+ */
+static const struct platform_suspend_ops mmp2_pm_ops = {
+ .valid = mmp2_pm_valid,
+ .prepare = mmp2_pm_prepare,
+ .enter = mmp2_pm_enter,
+ .finish = mmp2_pm_finish,
+};
+
+static int __init mmp2_pm_init(void)
+{
+ uint32_t apcr;
+
+ if (!cpu_is_mmp2())
+ return -EIO;
+
+ suspend_set_ops(&mmp2_pm_ops);
+
+ /*
+ * Set bit 0, Slow clock Select 32K clock input instead of VCXO
+ * VCXO is chosen by default, which would be disabled in suspend
+ */
+ __raw_writel(0x5, MPMU_SCCR);
+
+ /*
+ * Clear bit 23 of CIU_CPU_CONF
+ * direct PJ4 to DDR access through Memory Controller slow queue
+ * fast queue has issue and cause lcd will flick
+ */
+ __raw_writel(__raw_readl(CIU_REG(0x8)) & ~(0x1 << 23), CIU_REG(0x8));
+
+ /* Clear default low power control bit */
+ apcr = __raw_readl(MPMU_PCR_PJ);
+ apcr &= ~(MPMU_PCR_PJ_SLPEN | MPMU_PCR_PJ_DDRCORSD
+ | MPMU_PCR_PJ_APBSD | MPMU_PCR_PJ_AXISD | 1 << 13);
+ __raw_writel(apcr, MPMU_PCR_PJ);
+
+ return 0;
+}
+
+late_initcall(mmp2_pm_init);
diff --git a/arch/arm/mach-mmp/pm-pxa910.c b/arch/arm/mach-mmp/pm-pxa910.c
new file mode 100644
index 000000000000..48981ca801a5
--- /dev/null
+++ b/arch/arm/mach-mmp/pm-pxa910.c
@@ -0,0 +1,285 @@
+/*
+ * PXA910 Power Management Routines
+ *
+ * This software program is licensed subject to the GNU General Public License
+ * (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html
+ *
+ * (C) Copyright 2009 Marvell International Ltd.
+ * All Rights Reserved
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/time.h>
+#include <linux/delay.h>
+#include <linux/suspend.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <mach/cputype.h>
+#include <mach/addr-map.h>
+#include <mach/pm-pxa910.h>
+#include <mach/regs-icu.h>
+#include <mach/irqs.h>
+
+int pxa910_set_wake(struct irq_data *data, unsigned int on)
+{
+ int irq = data->irq;
+ struct irq_desc *desc = irq_to_desc(data->irq);
+ uint32_t awucrm = 0, apcr = 0;
+
+ if (unlikely(irq >= nr_irqs)) {
+ pr_err("IRQ nubmers are out of boundary!\n");
+ return -EINVAL;
+ }
+
+ if (on) {
+ if (desc->action)
+ desc->action->flags |= IRQF_NO_SUSPEND;
+ } else {
+ if (desc->action)
+ desc->action->flags &= ~IRQF_NO_SUSPEND;
+ }
+
+ /* setting wakeup sources */
+ switch (irq) {
+ /* wakeup line 2 */
+ case IRQ_PXA910_AP_GPIO:
+ awucrm = MPMU_AWUCRM_WAKEUP(2);
+ apcr |= MPMU_APCR_SLPWP2;
+ break;
+ /* wakeup line 3 */
+ case IRQ_PXA910_KEYPAD:
+ awucrm = MPMU_AWUCRM_WAKEUP(3) | MPMU_AWUCRM_KEYPRESS;
+ apcr |= MPMU_APCR_SLPWP3;
+ break;
+ case IRQ_PXA910_ROTARY:
+ awucrm = MPMU_AWUCRM_WAKEUP(3) | MPMU_AWUCRM_NEWROTARY;
+ apcr |= MPMU_APCR_SLPWP3;
+ break;
+ case IRQ_PXA910_TRACKBALL:
+ awucrm = MPMU_AWUCRM_WAKEUP(3) | MPMU_AWUCRM_TRACKBALL;
+ apcr |= MPMU_APCR_SLPWP3;
+ break;
+ /* wakeup line 4 */
+ case IRQ_PXA910_AP1_TIMER1:
+ awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP1_TIMER_1;
+ apcr |= MPMU_APCR_SLPWP4;
+ break;
+ case IRQ_PXA910_AP1_TIMER2:
+ awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP1_TIMER_2;
+ apcr |= MPMU_APCR_SLPWP4;
+ break;
+ case IRQ_PXA910_AP1_TIMER3:
+ awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP1_TIMER_3;
+ apcr |= MPMU_APCR_SLPWP4;
+ break;
+ case IRQ_PXA910_AP2_TIMER1:
+ awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP2_TIMER_1;
+ apcr |= MPMU_APCR_SLPWP4;
+ break;
+ case IRQ_PXA910_AP2_TIMER2:
+ awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP2_TIMER_2;
+ apcr |= MPMU_APCR_SLPWP4;
+ break;
+ case IRQ_PXA910_AP2_TIMER3:
+ awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP2_TIMER_3;
+ apcr |= MPMU_APCR_SLPWP4;
+ break;
+ case IRQ_PXA910_RTC_ALARM:
+ awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_RTC_ALARM;
+ apcr |= MPMU_APCR_SLPWP4;
+ break;
+ /* wakeup line 5 */
+ case IRQ_PXA910_USB1:
+ case IRQ_PXA910_USB2:
+ awucrm = MPMU_AWUCRM_WAKEUP(5);
+ apcr |= MPMU_APCR_SLPWP5;
+ break;
+ /* wakeup line 6 */
+ case IRQ_PXA910_MMC:
+ awucrm = MPMU_AWUCRM_WAKEUP(6)
+ | MPMU_AWUCRM_SDH1
+ | MPMU_AWUCRM_SDH2;
+ apcr |= MPMU_APCR_SLPWP6;
+ break;
+ /* wakeup line 7 */
+ case IRQ_PXA910_PMIC_INT:
+ awucrm = MPMU_AWUCRM_WAKEUP(7);
+ apcr |= MPMU_APCR_SLPWP7;
+ break;
+ default:
+ if (irq >= IRQ_GPIO_START && irq < IRQ_BOARD_START) {
+ awucrm = MPMU_AWUCRM_WAKEUP(2);
+ apcr |= MPMU_APCR_SLPWP2;
+ } else
+ printk(KERN_ERR "Error: no defined wake up source irq: %d\n",
+ irq);
+ }
+
+ if (on) {
+ if (awucrm) {
+ awucrm |= __raw_readl(MPMU_AWUCRM);
+ __raw_writel(awucrm, MPMU_AWUCRM);
+ }
+ if (apcr) {
+ apcr = ~apcr & __raw_readl(MPMU_APCR);
+ __raw_writel(apcr, MPMU_APCR);
+ }
+ } else {
+ if (awucrm) {
+ awucrm = ~awucrm & __raw_readl(MPMU_AWUCRM);
+ __raw_writel(awucrm, MPMU_AWUCRM);
+ }
+ if (apcr) {
+ apcr |= __raw_readl(MPMU_APCR);
+ __raw_writel(apcr, MPMU_APCR);
+ }
+ }
+ return 0;
+}
+
+void pxa910_pm_enter_lowpower_mode(int state)
+{
+ uint32_t idle_cfg, apcr;
+
+ idle_cfg = __raw_readl(APMU_MOH_IDLE_CFG);
+ apcr = __raw_readl(MPMU_APCR);
+
+ apcr &= ~(MPMU_APCR_DDRCORSD | MPMU_APCR_APBSD | MPMU_APCR_AXISD
+ | MPMU_APCR_VCTCXOSD | MPMU_APCR_STBYEN);
+ idle_cfg &= ~(APMU_MOH_IDLE_CFG_MOH_IDLE
+ | APMU_MOH_IDLE_CFG_MOH_PWRDWN);
+
+ switch (state) {
+ case POWER_MODE_UDR:
+ /* only shutdown APB in UDR */
+ apcr |= MPMU_APCR_STBYEN | MPMU_APCR_APBSD;
+ /* fall through */
+ case POWER_MODE_SYS_SLEEP:
+ apcr |= MPMU_APCR_SLPEN; /* set the SLPEN bit */
+ apcr |= MPMU_APCR_VCTCXOSD; /* set VCTCXOSD */
+ /* fall through */
+ case POWER_MODE_APPS_SLEEP:
+ apcr |= MPMU_APCR_DDRCORSD; /* set DDRCORSD */
+ /* fall through */
+ case POWER_MODE_APPS_IDLE:
+ apcr |= MPMU_APCR_AXISD; /* set AXISDD bit */
+ /* fall through */
+ case POWER_MODE_CORE_EXTIDLE:
+ idle_cfg |= APMU_MOH_IDLE_CFG_MOH_IDLE;
+ idle_cfg |= APMU_MOH_IDLE_CFG_MOH_PWRDWN;
+ idle_cfg |= APMU_MOH_IDLE_CFG_MOH_PWR_SW(3)
+ | APMU_MOH_IDLE_CFG_MOH_L2_PWR_SW(3);
+ /* fall through */
+ case POWER_MODE_CORE_INTIDLE:
+ break;
+ }
+
+ /* program the memory controller hardware sleep type and auto wakeup */
+ idle_cfg |= APMU_MOH_IDLE_CFG_MOH_DIS_MC_SW_REQ;
+ idle_cfg |= APMU_MOH_IDLE_CFG_MOH_MC_WAKE_EN;
+ __raw_writel(0x0, APMU_MC_HW_SLP_TYPE); /* auto refresh */
+
+ /* set DSPSD, DTCMSD, BBSD, MSASLPEN */
+ apcr |= MPMU_APCR_DSPSD | MPMU_APCR_DTCMSD | MPMU_APCR_BBSD
+ | MPMU_APCR_MSASLPEN;
+
+ /*always set SLEPEN bit mainly for MSA*/
+ apcr |= MPMU_APCR_SLPEN;
+
+ /* finally write the registers back */
+ __raw_writel(idle_cfg, APMU_MOH_IDLE_CFG);
+ __raw_writel(apcr, MPMU_APCR);
+
+}
+
+static int pxa910_pm_enter(suspend_state_t state)
+{
+ unsigned int idle_cfg, reg = 0;
+
+ /*pmic thread not completed,exit;otherwise system can't be waked up*/
+ reg = __raw_readl(ICU_INT_CONF(IRQ_PXA910_PMIC_INT));
+ if ((reg & 0x3) == 0)
+ return -EAGAIN;
+
+ idle_cfg = __raw_readl(APMU_MOH_IDLE_CFG);
+ idle_cfg |= APMU_MOH_IDLE_CFG_MOH_PWRDWN
+ | APMU_MOH_IDLE_CFG_MOH_SRAM_PWRDWN;
+ __raw_writel(idle_cfg, APMU_MOH_IDLE_CFG);
+
+ /* disable L2 */
+ outer_disable();
+ /* wait for l2 idle */
+ while (!(readl(CIU_REG(0x8)) & (1 << 16)))
+ udelay(1);
+
+ cpu_do_idle();
+
+ /* enable L2 */
+ outer_resume();
+ /* wait for l2 idle */
+ while (!(readl(CIU_REG(0x8)) & (1 << 16)))
+ udelay(1);
+
+ idle_cfg = __raw_readl(APMU_MOH_IDLE_CFG);
+ idle_cfg &= ~(APMU_MOH_IDLE_CFG_MOH_PWRDWN
+ | APMU_MOH_IDLE_CFG_MOH_SRAM_PWRDWN);
+ __raw_writel(idle_cfg, APMU_MOH_IDLE_CFG);
+
+ return 0;
+}
+
+/*
+ * Called after processes are frozen, but before we shut down devices.
+ */
+static int pxa910_pm_prepare(void)
+{
+ pxa910_pm_enter_lowpower_mode(POWER_MODE_UDR);
+ return 0;
+}
+
+/*
+ * Called after devices are re-setup, but before processes are thawed.
+ */
+static void pxa910_pm_finish(void)
+{
+ pxa910_pm_enter_lowpower_mode(POWER_MODE_CORE_INTIDLE);
+}
+
+static int pxa910_pm_valid(suspend_state_t state)
+{
+ return ((state == PM_SUSPEND_STANDBY) || (state == PM_SUSPEND_MEM));
+}
+
+static const struct platform_suspend_ops pxa910_pm_ops = {
+ .valid = pxa910_pm_valid,
+ .prepare = pxa910_pm_prepare,
+ .enter = pxa910_pm_enter,
+ .finish = pxa910_pm_finish,
+};
+
+static int __init pxa910_pm_init(void)
+{
+ uint32_t awucrm = 0;
+
+ if (!cpu_is_pxa910())
+ return -EIO;
+
+ suspend_set_ops(&pxa910_pm_ops);
+
+ /* Set the following bits for MMP3 playback with VCTXO on */
+ __raw_writel(__raw_readl(APMU_SQU_CLK_GATE_CTRL) | (1 << 30),
+ APMU_SQU_CLK_GATE_CTRL);
+ __raw_writel(__raw_readl(MPMU_FCCR) | (1 << 28), MPMU_FCCR);
+
+ awucrm |= MPMU_AWUCRM_AP_ASYNC_INT | MPMU_AWUCRM_AP_FULL_IDLE;
+ __raw_writel(awucrm, MPMU_AWUCRM);
+
+ return 0;
+}
+
+late_initcall(pxa910_pm_init);
diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c
index 71fc4ee4602c..936447c70977 100644
--- a/arch/arm/mach-mmp/time.c
+++ b/arch/arm/mach-mmp/time.c
@@ -25,6 +25,9 @@
#include <linux/io.h>
#include <linux/irq.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
#include <asm/sched_clock.h>
#include <mach/addr-map.h>
@@ -41,6 +44,8 @@
#define MAX_DELTA (0xfffffffe)
#define MIN_DELTA (16)
+static void __iomem *mmp_timer_base = TIMERS_VIRT_BASE;
+
/*
* FIXME: the timer needs some delay to stablize the counter capture
*/
@@ -48,12 +53,12 @@ static inline uint32_t timer_read(void)
{
int delay = 100;
- __raw_writel(1, TIMERS_VIRT_BASE + TMR_CVWR(1));
+ __raw_writel(1, mmp_timer_base + TMR_CVWR(1));
while (delay--)
cpu_relax();
- return __raw_readl(TIMERS_VIRT_BASE + TMR_CVWR(1));
+ return __raw_readl(mmp_timer_base + TMR_CVWR(1));
}
static u32 notrace mmp_read_sched_clock(void)
@@ -68,12 +73,12 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
/*
* Clear pending interrupt status.
*/
- __raw_writel(0x01, TIMERS_VIRT_BASE + TMR_ICR(0));
+ __raw_writel(0x01, mmp_timer_base + TMR_ICR(0));
/*
* Disable timer 0.
*/
- __raw_writel(0x02, TIMERS_VIRT_BASE + TMR_CER);
+ __raw_writel(0x02, mmp_timer_base + TMR_CER);
c->event_handler(c);
@@ -90,23 +95,23 @@ static int timer_set_next_event(unsigned long delta,
/*
* Disable timer 0.
*/
- __raw_writel(0x02, TIMERS_VIRT_BASE + TMR_CER);
+ __raw_writel(0x02, mmp_timer_base + TMR_CER);
/*
* Clear and enable timer match 0 interrupt.
*/
- __raw_writel(0x01, TIMERS_VIRT_BASE + TMR_ICR(0));
- __raw_writel(0x01, TIMERS_VIRT_BASE + TMR_IER(0));
+ __raw_writel(0x01, mmp_timer_base + TMR_ICR(0));
+ __raw_writel(0x01, mmp_timer_base + TMR_IER(0));
/*
* Setup new clockevent timer value.
*/
- __raw_writel(delta - 1, TIMERS_VIRT_BASE + TMR_TN_MM(0, 0));
+ __raw_writel(delta - 1, mmp_timer_base + TMR_TN_MM(0, 0));
/*
* Enable timer 0.
*/
- __raw_writel(0x03, TIMERS_VIRT_BASE + TMR_CER);
+ __raw_writel(0x03, mmp_timer_base + TMR_CER);
local_irq_restore(flags);
@@ -124,7 +129,7 @@ static void timer_set_mode(enum clock_event_mode mode,
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
/* disable the matching interrupt */
- __raw_writel(0x00, TIMERS_VIRT_BASE + TMR_IER(0));
+ __raw_writel(0x00, mmp_timer_base + TMR_IER(0));
break;
case CLOCK_EVT_MODE_RESUME:
case CLOCK_EVT_MODE_PERIODIC:
@@ -157,27 +162,27 @@ static struct clocksource cksrc = {
static void __init timer_config(void)
{
- uint32_t ccr = __raw_readl(TIMERS_VIRT_BASE + TMR_CCR);
+ uint32_t ccr = __raw_readl(mmp_timer_base + TMR_CCR);
- __raw_writel(0x0, TIMERS_VIRT_BASE + TMR_CER); /* disable */
+ __raw_writel(0x0, mmp_timer_base + TMR_CER); /* disable */
ccr &= (cpu_is_mmp2()) ? (TMR_CCR_CS_0(0) | TMR_CCR_CS_1(0)) :
(TMR_CCR_CS_0(3) | TMR_CCR_CS_1(3));
- __raw_writel(ccr, TIMERS_VIRT_BASE + TMR_CCR);
+ __raw_writel(ccr, mmp_timer_base + TMR_CCR);
/* set timer 0 to periodic mode, and timer 1 to free-running mode */
- __raw_writel(0x2, TIMERS_VIRT_BASE + TMR_CMR);
+ __raw_writel(0x2, mmp_timer_base + TMR_CMR);
- __raw_writel(0x1, TIMERS_VIRT_BASE + TMR_PLCR(0)); /* periodic */
- __raw_writel(0x7, TIMERS_VIRT_BASE + TMR_ICR(0)); /* clear status */
- __raw_writel(0x0, TIMERS_VIRT_BASE + TMR_IER(0));
+ __raw_writel(0x1, mmp_timer_base + TMR_PLCR(0)); /* periodic */
+ __raw_writel(0x7, mmp_timer_base + TMR_ICR(0)); /* clear status */
+ __raw_writel(0x0, mmp_timer_base + TMR_IER(0));
- __raw_writel(0x0, TIMERS_VIRT_BASE + TMR_PLCR(1)); /* free-running */
- __raw_writel(0x7, TIMERS_VIRT_BASE + TMR_ICR(1)); /* clear status */
- __raw_writel(0x0, TIMERS_VIRT_BASE + TMR_IER(1));
+ __raw_writel(0x0, mmp_timer_base + TMR_PLCR(1)); /* free-running */
+ __raw_writel(0x7, mmp_timer_base + TMR_ICR(1)); /* clear status */
+ __raw_writel(0x0, mmp_timer_base + TMR_IER(1));
/* enable timer 1 counter */
- __raw_writel(0x2, TIMERS_VIRT_BASE + TMR_CER);
+ __raw_writel(0x2, mmp_timer_base + TMR_CER);
}
static struct irqaction timer_irq = {
@@ -203,3 +208,37 @@ void __init timer_init(int irq)
clocksource_register_hz(&cksrc, CLOCK_TICK_RATE);
clockevents_register_device(&ckevt);
}
+
+#ifdef CONFIG_OF
+static struct of_device_id mmp_timer_dt_ids[] = {
+ { .compatible = "mrvl,mmp-timer", },
+ {}
+};
+
+void __init mmp_dt_init_timer(void)
+{
+ struct device_node *np;
+ int irq, ret;
+
+ np = of_find_matching_node(NULL, mmp_timer_dt_ids);
+ if (!np) {
+ ret = -ENODEV;
+ goto out;
+ }
+
+ irq = irq_of_parse_and_map(np, 0);
+ if (!irq) {
+ ret = -EINVAL;
+ goto out;
+ }
+ mmp_timer_base = of_iomap(np, 0);
+ if (!mmp_timer_base) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ timer_init(irq);
+ return;
+out:
+ pr_err("Failed to get timer from device tree with error:%d\n", ret);
+}
+#endif
diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c
index 266215393f44..7a7de2b12a62 100644
--- a/arch/arm/mach-mmp/ttc_dkb.c
+++ b/arch/arm/mach-mmp/ttc_dkb.c
@@ -17,6 +17,7 @@
#include <linux/interrupt.h>
#include <linux/i2c/pca953x.h>
#include <linux/gpio.h>
+#include <linux/mfd/88pm860x.h>
#include <linux/platform_data/mv_usb.h>
#include <asm/mach-types.h>
@@ -137,8 +138,18 @@ static struct pca953x_platform_data max7312_data[] = {
},
};
+static struct pm860x_platform_data ttc_dkb_pm8607_info = {
+ .irq_base = IRQ_BOARD_START,
+};
+
static struct i2c_board_info ttc_dkb_i2c_info[] = {
{
+ .type = "88PM860x",
+ .addr = 0x34,
+ .platform_data = &ttc_dkb_pm8607_info,
+ .irq = IRQ_PXA910_PMIC_INT,
+ },
+ {
.type = "max7312",
.addr = 0x23,
.irq = MMP_GPIO_TO_IRQ(80),
generated by cgit (git 2.34.1) at 2024-06-09 10:49:20 +0000