summaryrefslogtreecommitdiff
path: root/arch/arm/mach-at91
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r--arch/arm/mach-at91/Kconfig8
-rw-r--r--arch/arm/mach-at91/Makefile6
-rw-r--r--arch/arm/mach-at91/at91sam9260.c2
-rw-r--r--arch/arm/mach-at91/at91sam9261.c2
-rw-r--r--arch/arm/mach-at91/at91sam9263.c3
-rw-r--r--arch/arm/mach-at91/at91sam9g45.c4
-rw-r--r--arch/arm/mach-at91/at91sam9n12.c6
-rw-r--r--arch/arm/mach-at91/at91sam9rl.c4
-rw-r--r--arch/arm/mach-at91/at91sam9x5.c10
-rw-r--r--arch/arm/mach-at91/board-dt-rm9200.c2
-rw-r--r--arch/arm/mach-at91/generic.h6
-rw-r--r--arch/arm/mach-at91/include/mach/at91_pio.h80
-rw-r--r--arch/arm/mach-at91/include/mach/at91_rtt.h35
-rw-r--r--arch/arm/mach-at91/include/mach/debug-macro.S46
-rw-r--r--arch/arm/mach-at91/include/mach/memory.h26
-rw-r--r--arch/arm/mach-at91/sama5d3.c6
-rw-r--r--arch/arm/mach-at91/setup.c18
-rw-r--r--arch/arm/mach-at91/sysirq_mask.c75
18 files changed, 4 insertions, 335 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 2395c68b3e32..cec0fb5d621a 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -174,14 +174,6 @@ config SOC_AT91SAM9N12
# ----------------------------------------------------------
endif # SOC_SAM_V4_V5
-config MACH_AT91RM9200_DT
- def_bool SOC_AT91RM9200
-
-config MACH_AT91SAM9_DT
- def_bool SOC_AT91SAM9
-
-# ----------------------------------------------------------
-
comment "AT91 Feature Selections"
config AT91_SLOW_CLOCK
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 7b6424d40764..8ef7d9a2e855 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -2,7 +2,7 @@
# Makefile for the linux kernel.
#
-obj-y := setup.o sysirq_mask.o
+obj-y := setup.o
obj-$(CONFIG_SOC_AT91SAM9) += sam9_smc.o
@@ -19,8 +19,8 @@ obj-$(CONFIG_SOC_SAMA5D3) += sama5d3.o
obj-$(CONFIG_SOC_SAMA5D4) += sama5d4.o
# AT91SAM board with device-tree
-obj-$(CONFIG_MACH_AT91RM9200_DT) += board-dt-rm9200.o
-obj-$(CONFIG_MACH_AT91SAM9_DT) += board-dt-sam9.o
+obj-$(CONFIG_SOC_AT91RM9200) += board-dt-rm9200.o
+obj-$(CONFIG_SOC_AT91SAM9) += board-dt-sam9.o
# SAMA5 board with device-tree
obj-$(CONFIG_SOC_SAMA5) += board-dt-sama5.o
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 78137c24d90b..34e2abe82ae4 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -51,8 +51,6 @@ static void __init at91sam9260_map_io(void)
static void __init at91sam9260_initialize(void)
{
arm_pm_idle = at91sam9_idle;
-
- at91_sysirq_mask_rtt(AT91SAM9260_BASE_RTT);
}
AT91_SOC_START(at91sam9260)
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index d29953ecb0c4..47878b849975 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -32,8 +32,6 @@ static void __init at91sam9261_map_io(void)
static void __init at91sam9261_initialize(void)
{
arm_pm_idle = at91sam9_idle;
-
- at91_sysirq_mask_rtt(AT91SAM9261_BASE_RTT);
}
AT91_SOC_START(at91sam9261)
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index e7ad14864083..aabcb66145d0 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -29,9 +29,6 @@ static void __init at91sam9263_map_io(void)
static void __init at91sam9263_initialize(void)
{
arm_pm_idle = at91sam9_idle;
-
- at91_sysirq_mask_rtt(AT91SAM9263_BASE_RTT0);
- at91_sysirq_mask_rtt(AT91SAM9263_BASE_RTT1);
}
AT91_SOC_START(at91sam9263)
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index b6117bea9a6f..000166777a8d 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -11,7 +11,6 @@
*/
#include <asm/system_misc.h>
-#include <asm/irq.h>
#include <mach/hardware.h>
#include "soc.h"
@@ -29,9 +28,6 @@ static void __init at91sam9g45_map_io(void)
static void __init at91sam9g45_initialize(void)
{
arm_pm_idle = at91sam9_idle;
-
- at91_sysirq_mask_rtc(AT91SAM9G45_BASE_RTC);
- at91_sysirq_mask_rtt(AT91SAM9G45_BASE_RTT);
}
AT91_SOC_START(at91sam9g45)
diff --git a/arch/arm/mach-at91/at91sam9n12.c b/arch/arm/mach-at91/at91sam9n12.c
index dee569b1987e..0135f868ea4f 100644
--- a/arch/arm/mach-at91/at91sam9n12.c
+++ b/arch/arm/mach-at91/at91sam9n12.c
@@ -21,12 +21,6 @@ static void __init at91sam9n12_map_io(void)
at91_init_sram(0, AT91SAM9N12_SRAM_BASE, AT91SAM9N12_SRAM_SIZE);
}
-static void __init at91sam9n12_initialize(void)
-{
- at91_sysirq_mask_rtc(AT91SAM9N12_BASE_RTC);
-}
-
AT91_SOC_START(at91sam9n12)
.map_io = at91sam9n12_map_io,
- .init = at91sam9n12_initialize,
AT91_SOC_END
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index f25b9aec9c50..1babfb27694a 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -10,7 +10,6 @@
*/
#include <asm/system_misc.h>
-#include <asm/irq.h>
#include <mach/cpu.h>
#include <mach/at91_dbgu.h>
#include <mach/hardware.h>
@@ -42,9 +41,6 @@ static void __init at91sam9rl_map_io(void)
static void __init at91sam9rl_initialize(void)
{
arm_pm_idle = at91sam9_idle;
-
- at91_sysirq_mask_rtc(AT91SAM9RL_BASE_RTC);
- at91_sysirq_mask_rtt(AT91SAM9RL_BASE_RTT);
}
AT91_SOC_START(at91sam9rl)
diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c
index f0d5a69a7237..aa17520ccb0a 100644
--- a/arch/arm/mach-at91/at91sam9x5.c
+++ b/arch/arm/mach-at91/at91sam9x5.c
@@ -21,16 +21,6 @@ static void __init at91sam9x5_map_io(void)
at91_init_sram(0, AT91SAM9X5_SRAM_BASE, AT91SAM9X5_SRAM_SIZE);
}
-static void __init at91sam9x5_initialize(void)
-{
- at91_sysirq_mask_rtc(AT91SAM9X5_BASE_RTC);
-}
-
-/* --------------------------------------------------------------------
- * Interrupt initialization
- * -------------------------------------------------------------------- */
-
AT91_SOC_START(at91sam9x5)
.map_io = at91sam9x5_map_io,
- .init = at91sam9x5_initialize,
AT91_SOC_END
diff --git a/arch/arm/mach-at91/board-dt-rm9200.c b/arch/arm/mach-at91/board-dt-rm9200.c
index 76dfe8f9af50..a15ab6f8de00 100644
--- a/arch/arm/mach-at91/board-dt-rm9200.c
+++ b/arch/arm/mach-at91/board-dt-rm9200.c
@@ -38,6 +38,6 @@ static const char *at91rm9200_dt_board_compat[] __initdata = {
DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)")
.init_time = at91rm9200_dt_timer_init,
.map_io = at91_map_io,
- .init_early = at91rm9200_dt_initialize,
+ .init_early = at91_dt_initialize,
.dt_compat = at91rm9200_dt_board_compat,
MACHINE_END
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index d53324210adf..54f3837a0a4d 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -21,14 +21,8 @@ extern void __init at91_init_sram(int bank, unsigned long base,
unsigned int length);
/* Processors */
-extern void __init at91rm9200_set_type(int type);
-extern void __init at91rm9200_dt_initialize(void);
extern void __init at91_dt_initialize(void);
- /* Interrupts */
-extern void __init at91_sysirq_mask_rtc(u32 rtc_base);
-extern void __init at91_sysirq_mask_rtt(u32 rtt_base);
-
/* Timer */
extern void at91rm9200_timer_init(void);
diff --git a/arch/arm/mach-at91/include/mach/at91_pio.h b/arch/arm/mach-at91/include/mach/at91_pio.h
deleted file mode 100644
index 7b7366253ceb..000000000000
--- a/arch/arm/mach-at91/include/mach/at91_pio.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * arch/arm/mach-at91/include/mach/at91_pio.h
- *
- * Copyright (C) 2005 Ivan Kokshaysky
- * Copyright (C) SAN People
- *
- * Parallel I/O Controller (PIO) - System peripherals registers.
- * Based on AT91RM9200 datasheet revision E.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef AT91_PIO_H
-#define AT91_PIO_H
-
-#define PIO_PER 0x00 /* Enable Register */
-#define PIO_PDR 0x04 /* Disable Register */
-#define PIO_PSR 0x08 /* Status Register */
-#define PIO_OER 0x10 /* Output Enable Register */
-#define PIO_ODR 0x14 /* Output Disable Register */
-#define PIO_OSR 0x18 /* Output Status Register */
-#define PIO_IFER 0x20 /* Glitch Input Filter Enable */
-#define PIO_IFDR 0x24 /* Glitch Input Filter Disable */
-#define PIO_IFSR 0x28 /* Glitch Input Filter Status */
-#define PIO_SODR 0x30 /* Set Output Data Register */
-#define PIO_CODR 0x34 /* Clear Output Data Register */
-#define PIO_ODSR 0x38 /* Output Data Status Register */
-#define PIO_PDSR 0x3c /* Pin Data Status Register */
-#define PIO_IER 0x40 /* Interrupt Enable Register */
-#define PIO_IDR 0x44 /* Interrupt Disable Register */
-#define PIO_IMR 0x48 /* Interrupt Mask Register */
-#define PIO_ISR 0x4c /* Interrupt Status Register */
-#define PIO_MDER 0x50 /* Multi-driver Enable Register */
-#define PIO_MDDR 0x54 /* Multi-driver Disable Register */
-#define PIO_MDSR 0x58 /* Multi-driver Status Register */
-#define PIO_PUDR 0x60 /* Pull-up Disable Register */
-#define PIO_PUER 0x64 /* Pull-up Enable Register */
-#define PIO_PUSR 0x68 /* Pull-up Status Register */
-#define PIO_ASR 0x70 /* Peripheral A Select Register */
-#define PIO_ABCDSR1 0x70 /* Peripheral ABCD Select Register 1 [some sam9 only] */
-#define PIO_BSR 0x74 /* Peripheral B Select Register */
-#define PIO_ABCDSR2 0x74 /* Peripheral ABCD Select Register 2 [some sam9 only] */
-#define PIO_ABSR 0x78 /* AB Status Register */
-#define PIO_IFSCDR 0x80 /* Input Filter Slow Clock Disable Register */
-#define PIO_IFSCER 0x84 /* Input Filter Slow Clock Enable Register */
-#define PIO_IFSCSR 0x88 /* Input Filter Slow Clock Status Register */
-#define PIO_SCDR 0x8c /* Slow Clock Divider Debouncing Register */
-#define PIO_SCDR_DIV (0x3fff << 0) /* Slow Clock Divider Mask */
-#define PIO_PPDDR 0x90 /* Pad Pull-down Disable Register */
-#define PIO_PPDER 0x94 /* Pad Pull-down Enable Register */
-#define PIO_PPDSR 0x98 /* Pad Pull-down Status Register */
-#define PIO_OWER 0xa0 /* Output Write Enable Register */
-#define PIO_OWDR 0xa4 /* Output Write Disable Register */
-#define PIO_OWSR 0xa8 /* Output Write Status Register */
-#define PIO_AIMER 0xb0 /* Additional Interrupt Modes Enable Register */
-#define PIO_AIMDR 0xb4 /* Additional Interrupt Modes Disable Register */
-#define PIO_AIMMR 0xb8 /* Additional Interrupt Modes Mask Register */
-#define PIO_ESR 0xc0 /* Edge Select Register */
-#define PIO_LSR 0xc4 /* Level Select Register */
-#define PIO_ELSR 0xc8 /* Edge/Level Status Register */
-#define PIO_FELLSR 0xd0 /* Falling Edge/Low Level Select Register */
-#define PIO_REHLSR 0xd4 /* Rising Edge/ High Level Select Register */
-#define PIO_FRLHSR 0xd8 /* Fall/Rise - Low/High Status Register */
-#define PIO_SCHMITT 0x100 /* Schmitt Trigger Register */
-
-#define ABCDSR_PERIPH_A 0x0
-#define ABCDSR_PERIPH_B 0x1
-#define ABCDSR_PERIPH_C 0x2
-#define ABCDSR_PERIPH_D 0x3
-
-#define SAMA5D3_PIO_DRIVER1 0x118 /*PIO Driver 1 register offset*/
-#define SAMA5D3_PIO_DRIVER2 0x11C /*PIO Driver 2 register offset*/
-
-#define AT91SAM9X5_PIO_DRIVER1 0x114 /*PIO Driver 1 register offset*/
-#define AT91SAM9X5_PIO_DRIVER2 0x118 /*PIO Driver 2 register offset*/
-
-#endif
diff --git a/arch/arm/mach-at91/include/mach/at91_rtt.h b/arch/arm/mach-at91/include/mach/at91_rtt.h
deleted file mode 100644
index 7ec75de8bbb6..000000000000
--- a/arch/arm/mach-at91/include/mach/at91_rtt.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * arch/arm/mach-at91/include/mach/at91_rtt.h
- *
- * Copyright (C) 2007 Andrew Victor
- * Copyright (C) 2007 Atmel Corporation.
- *
- * Real-time Timer (RTT) - System peripherals regsters.
- * Based on AT91SAM9261 datasheet revision D.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef AT91_RTT_H
-#define AT91_RTT_H
-
-#define AT91_RTT_MR 0x00 /* Real-time Mode Register */
-#define AT91_RTT_RTPRES (0xffff << 0) /* Real-time Timer Prescaler Value */
-#define AT91_RTT_ALMIEN (1 << 16) /* Alarm Interrupt Enable */
-#define AT91_RTT_RTTINCIEN (1 << 17) /* Real Time Timer Increment Interrupt Enable */
-#define AT91_RTT_RTTRST (1 << 18) /* Real Time Timer Restart */
-
-#define AT91_RTT_AR 0x04 /* Real-time Alarm Register */
-#define AT91_RTT_ALMV (0xffffffff) /* Alarm Value */
-
-#define AT91_RTT_VR 0x08 /* Real-time Value Register */
-#define AT91_RTT_CRTV (0xffffffff) /* Current Real-time Value */
-
-#define AT91_RTT_SR 0x0c /* Real-time Status Register */
-#define AT91_RTT_ALMS (1 << 0) /* Real-time Alarm Status */
-#define AT91_RTT_RTTINC (1 << 1) /* Real-time Timer Increment */
-
-#endif
diff --git a/arch/arm/mach-at91/include/mach/debug-macro.S b/arch/arm/mach-at91/include/mach/debug-macro.S
deleted file mode 100644
index 2103a90f2261..000000000000
--- a/arch/arm/mach-at91/include/mach/debug-macro.S
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * arch/arm/mach-at91/include/mach/debug-macro.S
- *
- * Copyright (C) 2003-2005 SAN People
- *
- * Debugging macro include header
- *
- * 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 <mach/hardware.h>
-#include <mach/at91_dbgu.h>
-
-#if defined(CONFIG_AT91_DEBUG_LL_DBGU0)
-#define AT91_DBGU AT91_BASE_DBGU0
-#elif defined(CONFIG_AT91_DEBUG_LL_DBGU1)
-#define AT91_DBGU AT91_BASE_DBGU1
-#else
-/* On sama5d4, use USART3 as low level serial console */
-#define AT91_DBGU SAMA5D4_BASE_USART3
-#endif
-
- .macro addruart, rp, rv, tmp
- ldr \rp, =AT91_DBGU @ System peripherals (phys address)
- ldr \rv, =AT91_IO_P2V(AT91_DBGU) @ System peripherals (virt address)
- .endm
-
- .macro senduart,rd,rx
- strb \rd, [\rx, #(AT91_DBGU_THR)] @ Write to Transmitter Holding Register
- .endm
-
- .macro waituart,rd,rx
-1001: ldr \rd, [\rx, #(AT91_DBGU_SR)] @ Read Status Register
- tst \rd, #AT91_DBGU_TXRDY @ DBGU_TXRDY = 1 when ready to transmit
- beq 1001b
- .endm
-
- .macro busyuart,rd,rx
-1001: ldr \rd, [\rx, #(AT91_DBGU_SR)] @ Read Status Register
- tst \rd, #AT91_DBGU_TXEMPTY @ DBGU_TXEMPTY = 1 when transmission complete
- beq 1001b
- .endm
-
diff --git a/arch/arm/mach-at91/include/mach/memory.h b/arch/arm/mach-at91/include/mach/memory.h
deleted file mode 100644
index 401c207f2f39..000000000000
--- a/arch/arm/mach-at91/include/mach/memory.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * arch/arm/mach-at91/include/mach/memory.h
- *
- * Copyright (C) 2004 SAN People
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#include <mach/hardware.h>
-
-#endif
diff --git a/arch/arm/mach-at91/sama5d3.c b/arch/arm/mach-at91/sama5d3.c
index 3d775d08de08..ae58feada72b 100644
--- a/arch/arm/mach-at91/sama5d3.c
+++ b/arch/arm/mach-at91/sama5d3.c
@@ -30,12 +30,6 @@ static void __init sama5d3_map_io(void)
at91_init_sram(0, SAMA5D3_SRAM_BASE, SAMA5D3_SRAM_SIZE);
}
-static void __init sama5d3_initialize(void)
-{
- at91_sysirq_mask_rtc(SAMA5D3_BASE_RTC);
-}
-
AT91_SOC_START(sama5d3)
.map_io = sama5d3_map_io,
- .init = sama5d3_initialize,
AT91_SOC_END
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index ce25e85720fb..e3c21b458bb8 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -31,17 +31,6 @@ struct at91_init_soc __initdata at91_boot_soc;
struct at91_socinfo at91_soc_initdata;
EXPORT_SYMBOL(at91_soc_initdata);
-void __init at91rm9200_set_type(int type)
-{
- if (type == ARCH_REVISON_9200_PQFP)
- at91_soc_initdata.subtype = AT91_SOC_RM9200_PQFP;
- else
- at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;
-
- pr_info("filled in soc subtype: %s\n",
- at91_get_soc_subtype(&at91_soc_initdata));
-}
-
void __iomem *at91_ramc_base[2];
EXPORT_SYMBOL_GPL(at91_ramc_base);
@@ -429,13 +418,6 @@ static void at91_dt_ramc(void)
at91_pm_set_standby(standby);
}
-void __init at91rm9200_dt_initialize(void)
-{
- at91_dt_ramc();
-
- at91_boot_soc.init();
-}
-
void __init at91_dt_initialize(void)
{
at91_dt_ramc();
diff --git a/arch/arm/mach-at91/sysirq_mask.c b/arch/arm/mach-at91/sysirq_mask.c
deleted file mode 100644
index f8bc3511a8c8..000000000000
--- a/arch/arm/mach-at91/sysirq_mask.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * sysirq_mask.c - System-interrupt masking
- *
- * Copyright (C) 2013 Johan Hovold <jhovold@gmail.com>
- *
- * Functions to disable system interrupts from backup-powered peripherals.
- *
- * The RTC and RTT-peripherals are generally powered by backup power (VDDBU)
- * and are not reset on wake-up, user, watchdog or software reset. This means
- * that their interrupts may be enabled during early boot (e.g. after a user
- * reset).
- *
- * As the RTC and RTT share the system-interrupt line with the PIT, an
- * interrupt occurring before a handler has been installed would lead to the
- * system interrupt being disabled and prevent the system from booting.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/io.h>
-#include <mach/at91_rtt.h>
-
-#include "generic.h"
-
-#define AT91_RTC_IDR 0x24 /* Interrupt Disable Register */
-#define AT91_RTC_IMR 0x28 /* Interrupt Mask Register */
-#define AT91_RTC_IRQ_MASK 0x1f /* Available IRQs mask */
-
-void __init at91_sysirq_mask_rtc(u32 rtc_base)
-{
- void __iomem *base;
-
- base = ioremap(rtc_base, 64);
- if (!base)
- return;
-
- /*
- * sam9x5 SoCs have the following errata:
- * "RTC: Interrupt Mask Register cannot be used
- * Interrupt Mask Register read always returns 0."
- *
- * Hence we're not relying on IMR values to disable
- * interrupts.
- */
- writel_relaxed(AT91_RTC_IRQ_MASK, base + AT91_RTC_IDR);
- (void)readl_relaxed(base + AT91_RTC_IMR); /* flush */
-
- iounmap(base);
-}
-
-void __init at91_sysirq_mask_rtt(u32 rtt_base)
-{
- void __iomem *base;
- void __iomem *reg;
- u32 mode;
-
- base = ioremap(rtt_base, 16);
- if (!base)
- return;
-
- reg = base + AT91_RTT_MR;
-
- mode = readl_relaxed(reg);
- if (mode & (AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN)) {
- pr_info("AT91: Disabling rtt irq\n");
- mode &= ~(AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN);
- writel_relaxed(mode, reg);
- (void)readl_relaxed(reg); /* flush */
- }
-
- iounmap(base);
-}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-22 17:21:12 +0300