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-rw-r--r--arch/arm/mach-at91rm9200/Kconfig54
-rw-r--r--arch/arm/mach-at91rm9200/Makefile27
-rw-r--r--arch/arm/mach-at91rm9200/Makefile.boot9
-rw-r--r--arch/arm/mach-at91rm9200/board-csb337.c142
-rw-r--r--arch/arm/mach-at91rm9200/board-csb637.c115
-rw-r--r--arch/arm/mach-at91rm9200/board-dk.c137
-rw-r--r--arch/arm/mach-at91rm9200/board-ek.c130
-rw-r--r--arch/arm/mach-at91rm9200/clock.c620
-rw-r--r--arch/arm/mach-at91rm9200/common.c115
-rw-r--r--arch/arm/mach-at91rm9200/devices.c291
-rw-r--r--arch/arm/mach-at91rm9200/generic.h18
-rw-r--r--arch/arm/mach-at91rm9200/gpio.c302
-rw-r--r--arch/arm/mach-at91rm9200/irq.c170
-rw-r--r--arch/arm/mach-at91rm9200/time.c127
14 files changed, 0 insertions, 2257 deletions
diff --git a/arch/arm/mach-at91rm9200/Kconfig b/arch/arm/mach-at91rm9200/Kconfig
deleted file mode 100644
index 4b7218fc3eb..00000000000
--- a/arch/arm/mach-at91rm9200/Kconfig
+++ /dev/null
@@ -1,54 +0,0 @@
-if ARCH_AT91RM9200
-
-menu "AT91RM9200 Implementations"
-
-comment "AT91RM9200 Board Type"
-
-config ARCH_AT91RM9200DK
- bool "Atmel AT91RM9200-DK Development board"
- depends on ARCH_AT91RM9200
- help
- Select this if you are using Atmel's AT91RM9200-DK Development board
-
-config MACH_AT91RM9200EK
- bool "Atmel AT91RM9200-EK Evaluation Kit"
- depends on ARCH_AT91RM9200
- help
- Select this if you are using Atmel's AT91RM9200-EK Evaluation Kit
-
-config MACH_CSB337
- bool "Cogent CSB337 board"
- depends on ARCH_AT91RM9200
- help
- Select this if you are using Cogent's CSB337 board
-
-config MACH_CSB637
- bool "Cogent CSB637 board"
- depends on ARCH_AT91RM9200
- help
- Select this if you are using Cogent's CSB637 board
-
-config MACH_CARMEVA
- bool "Conitec's ARM&EVA"
- depends on ARCH_AT91RM9200
- help
- Select this if you are using Conitec's AT91RM9200-MCU-Module
-
-config MACH_KB9200
- bool "KwikByte's KB920x"
- depends on ARCH_AT91RM9200
- help
- Select this if you are using KwikByte's KB920x board
-
-
-comment "AT91RM9200 Feature Selections"
-
-config AT91_PROGRAMMABLE_CLOCKS
- bool "Programmable Clocks"
- help
- Select this if you need to program one or more of the PCK0..PCK3
- programmable clock outputs.
-
-endmenu
-
-endif
diff --git a/arch/arm/mach-at91rm9200/Makefile b/arch/arm/mach-at91rm9200/Makefile
deleted file mode 100644
index 75e6ee318de..00000000000
--- a/arch/arm/mach-at91rm9200/Makefile
+++ /dev/null
@@ -1,27 +0,0 @@
-#
-# Makefile for the linux kernel.
-#
-
-obj-y := clock.o irq.o time.o gpio.o common.o devices.o
-obj-m :=
-obj-n :=
-obj- :=
-
-# Board-specific support
-obj-$(CONFIG_ARCH_AT91RM9200DK) += board-dk.o
-obj-$(CONFIG_MACH_AT91RM9200EK) += board-ek.o
-obj-$(CONFIG_MACH_CSB337) += board-csb337.o
-obj-$(CONFIG_MACH_CSB637) += board-csb637.o
-#obj-$(CONFIG_MACH_CARMEVA) += board-carmeva.o
-#obj-$(CONFIG_MACH_KB9200) += board-kb9202.o
-
-# LEDs support
-#led-$(CONFIG_ARCH_AT91RM9200DK) += leds.o
-#led-$(CONFIG_MACH_AT91RM9200EK) += leds.o
-#led-$(CONFIG_MACH_CSB337) += leds.o
-#led-$(CONFIG_MACH_CSB637) += leds.o
-#led-$(CONFIG_MACH_KB9200) += leds.o
-obj-$(CONFIG_LEDS) += $(led-y)
-
-# VGA support
-#obj-$(CONFIG_FB_S1D13XXX) += ics1523.o
diff --git a/arch/arm/mach-at91rm9200/Makefile.boot b/arch/arm/mach-at91rm9200/Makefile.boot
deleted file mode 100644
index e667dcc7cd3..00000000000
--- a/arch/arm/mach-at91rm9200/Makefile.boot
+++ /dev/null
@@ -1,9 +0,0 @@
-# Note: the following conditions must always be true:
-# ZRELADDR == virt_to_phys(TEXTADDR)
-# PARAMS_PHYS must be within 4MB of ZRELADDR
-# INITRD_PHYS must be in RAM
-
- zreladdr-y := 0x20008000
-params_phys-y := 0x20000100
-initrd_phys-y := 0x20410000
-
diff --git a/arch/arm/mach-at91rm9200/board-csb337.c b/arch/arm/mach-at91rm9200/board-csb337.c
deleted file mode 100644
index 54022e58d50..00000000000
--- a/arch/arm/mach-at91rm9200/board-csb337.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * linux/arch/arm/mach-at91rm9200/board-csb337.c
- *
- * Copyright (C) 2005 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
- */
-
-#include <linux/config.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-
-#include <asm/hardware.h>
-#include <asm/setup.h>
-#include <asm/mach-types.h>
-#include <asm/irq.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-
-#include <asm/arch/hardware.h>
-#include <asm/mach/serial_at91rm9200.h>
-#include <asm/arch/board.h>
-
-#include "generic.h"
-
-static void __init csb337_init_irq(void)
-{
- /* Initialize AIC controller */
- at91rm9200_init_irq(NULL);
-
- /* Set up the GPIO interrupts */
- at91_gpio_irq_setup(BGA_GPIO_BANKS);
-}
-
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-#define CSB337_UART_MAP { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-#define CSB337_SERIAL_CONSOLE 0 /* ttyS0 */
-
-static void __init csb337_map_io(void)
-{
- int serial[AT91_NR_UART] = CSB337_UART_MAP;
- int i;
-
- at91rm9200_map_io();
-
- /* Initialize clocks: 3.6864 MHz crystal */
- at91_clock_init(3686400);
-
-#ifdef CONFIG_SERIAL_AT91
- at91_console_port = CSB337_SERIAL_CONSOLE;
- memcpy(at91_serial_map, serial, sizeof(serial));
-
- /* Register UARTs */
- for (i = 0; i < AT91_NR_UART; i++) {
- if (serial[i] >= 0)
- at91_register_uart(i, serial[i]);
- }
-#endif
-}
-
-static struct at91_eth_data __initdata csb337_eth_data = {
- .phy_irq_pin = AT91_PIN_PC2,
- .is_rmii = 0,
-};
-
-static struct at91_usbh_data __initdata csb337_usbh_data = {
- .ports = 2,
-};
-
-static struct at91_udc_data __initdata csb337_udc_data = {
- // this has no VBUS sensing pin
- .pullup_pin = AT91_PIN_PA24,
-};
-
-static struct at91_cf_data __initdata csb337_cf_data = {
- /*
- * connector P4 on the CSB 337 mates to
- * connector P8 on the CSB 300CF
- */
-
- /* CSB337 specific */
- .det_pin = AT91_PIN_PC3,
-
- /* CSB300CF specific */
- .irq_pin = AT91_PIN_PA19,
- .vcc_pin = AT91_PIN_PD0,
- .rst_pin = AT91_PIN_PD2,
-};
-
-static struct at91_mmc_data __initdata csb337_mmc_data = {
- .det_pin = AT91_PIN_PD5,
- .is_b = 0,
- .wire4 = 1,
- .wp_pin = AT91_PIN_PD6,
-};
-
-static void __init csb337_board_init(void)
-{
- /* Ethernet */
- at91_add_device_eth(&csb337_eth_data);
- /* USB Host */
- at91_add_device_usbh(&csb337_usbh_data);
- /* USB Device */
- at91_add_device_udc(&csb337_udc_data);
- /* Compact Flash */
- at91_set_gpio_input(AT91_PIN_PB22, 1); /* IOIS16 */
- at91_add_device_cf(&csb337_cf_data);
- /* MMC */
- at91_add_device_mmc(&csb337_mmc_data);
-}
-
-MACHINE_START(CSB337, "Cogent CSB337")
- /* Maintainer: Bill Gatliff */
- .phys_io = AT91_BASE_SYS,
- .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
- .boot_params = AT91_SDRAM_BASE + 0x100,
- .timer = &at91rm9200_timer,
- .map_io = csb337_map_io,
- .init_irq = csb337_init_irq,
- .init_machine = csb337_board_init,
-MACHINE_END
diff --git a/arch/arm/mach-at91rm9200/board-csb637.c b/arch/arm/mach-at91rm9200/board-csb637.c
deleted file mode 100644
index 8195f9d919e..00000000000
--- a/arch/arm/mach-at91rm9200/board-csb637.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * linux/arch/arm/mach-at91rm9200/board-csb637.c
- *
- * Copyright (C) 2005 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
- */
-
-#include <linux/config.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-
-#include <asm/hardware.h>
-#include <asm/setup.h>
-#include <asm/mach-types.h>
-#include <asm/irq.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-
-#include <asm/arch/hardware.h>
-#include <asm/mach/serial_at91rm9200.h>
-#include <asm/arch/board.h>
-
-#include "generic.h"
-
-static void __init csb637_init_irq(void)
-{
- /* Initialize AIC controller */
- at91rm9200_init_irq(NULL);
-
- /* Set up the GPIO interrupts */
- at91_gpio_irq_setup(BGA_GPIO_BANKS);
-}
-
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-#define CSB637_UART_MAP { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-#define CSB637_SERIAL_CONSOLE 0 /* ttyS0 */
-
-static void __init csb637_map_io(void)
-{
- int serial[AT91_NR_UART] = CSB637_UART_MAP;
- int i;
-
- at91rm9200_map_io();
-
- /* Initialize clocks: 3.6864 MHz crystal */
- at91_clock_init(3686400);
-
-#ifdef CONFIG_SERIAL_AT91
- at91_console_port = CSB637_SERIAL_CONSOLE;
- memcpy(at91_serial_map, serial, sizeof(serial));
-
- /* Register UARTs */
- for (i = 0; i < AT91_NR_UART; i++) {
- if (serial[i] >= 0)
- at91_register_uart(i, serial[i]);
- }
-#endif
-}
-
-static struct at91_eth_data __initdata csb637_eth_data = {
- .phy_irq_pin = AT91_PIN_PC0,
- .is_rmii = 0,
-};
-
-static struct at91_usbh_data __initdata csb637_usbh_data = {
- .ports = 2,
-};
-
-static struct at91_udc_data __initdata csb637_udc_data = {
- .vbus_pin = AT91_PIN_PB28,
- .pullup_pin = AT91_PIN_PB1,
-};
-
-static void __init csb637_board_init(void)
-{
- /* Ethernet */
- at91_add_device_eth(&csb637_eth_data);
- /* USB Host */
- at91_add_device_usbh(&csb637_usbh_data);
- /* USB Device */
- at91_add_device_udc(&csb637_udc_data);
-}
-
-MACHINE_START(CSB637, "Cogent CSB637")
- /* Maintainer: Bill Gatliff */
- .phys_io = AT91_BASE_SYS,
- .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
- .boot_params = AT91_SDRAM_BASE + 0x100,
- .timer = &at91rm9200_timer,
- .map_io = csb637_map_io,
- .init_irq = csb637_init_irq,
- .init_machine = csb637_board_init,
-MACHINE_END
diff --git a/arch/arm/mach-at91rm9200/board-dk.c b/arch/arm/mach-at91rm9200/board-dk.c
deleted file mode 100644
index 8a783368366..00000000000
--- a/arch/arm/mach-at91rm9200/board-dk.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * linux/arch/arm/mach-at91rm9200/board-dk.c
- *
- * Copyright (C) 2005 SAN People
- *
- * Epson S1D framebuffer glue code is:
- * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
- *
- * 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
- */
-
-#include <linux/config.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-
-#include <asm/hardware.h>
-#include <asm/setup.h>
-#include <asm/mach-types.h>
-#include <asm/irq.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-
-#include <asm/arch/hardware.h>
-#include <asm/mach/serial_at91rm9200.h>
-#include <asm/arch/board.h>
-
-#include "generic.h"
-
-static void __init dk_init_irq(void)
-{
- /* Initialize AIC controller */
- at91rm9200_init_irq(NULL);
-
- /* Set up the GPIO interrupts */
- at91_gpio_irq_setup(BGA_GPIO_BANKS);
-}
-
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-#define DK_UART_MAP { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-#define DK_SERIAL_CONSOLE 0 /* ttyS0 */
-
-static void __init dk_map_io(void)
-{
- int serial[AT91_NR_UART] = DK_UART_MAP;
- int i;
-
- at91rm9200_map_io();
-
- /* Initialize clocks: 18.432 MHz crystal */
- at91_clock_init(18432000);
-
-#ifdef CONFIG_SERIAL_AT91
- at91_console_port = DK_SERIAL_CONSOLE;
- memcpy(at91_serial_map, serial, sizeof(serial));
-
- /* Register UARTs */
- for (i = 0; i < AT91_NR_UART; i++) {
- if (at91_serial_map[i] >= 0)
- at91_register_uart(i, at91_serial_map[i]);
- }
-#endif
-}
-
-static struct at91_eth_data __initdata dk_eth_data = {
- .phy_irq_pin = AT91_PIN_PC4,
- .is_rmii = 1,
-};
-
-static struct at91_usbh_data __initdata dk_usbh_data = {
- .ports = 2,
-};
-
-static struct at91_udc_data __initdata dk_udc_data = {
- .vbus_pin = AT91_PIN_PD4,
- .pullup_pin = AT91_PIN_PD5,
-};
-
-static struct at91_cf_data __initdata dk_cf_data = {
- .det_pin = AT91_PIN_PB0,
- .rst_pin = AT91_PIN_PC5,
- // .irq_pin = ... not connected
- // .vcc_pin = ... always powered
-};
-
-static struct at91_mmc_data __initdata dk_mmc_data = {
- .is_b = 0,
- .wire4 = 1,
-};
-
-static void __init dk_board_init(void)
-{
- /* Ethernet */
- at91_add_device_eth(&dk_eth_data);
- /* USB Host */
- at91_add_device_usbh(&dk_usbh_data);
- /* USB Device */
- at91_add_device_udc(&dk_udc_data);
- /* Compact Flash */
- at91_add_device_cf(&dk_cf_data);
- /* MMC */
- at91_set_gpio_output(AT91_PIN_PB7, 1); /* this MMC card slot can optionally use SPI signaling (CS3). default: MMC */
- at91_add_device_mmc(&dk_mmc_data);
- /* VGA */
-// dk_add_device_video();
-}
-
-MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
- /* Maintainer: SAN People/Atmel */
- .phys_io = AT91_BASE_SYS,
- .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
- .boot_params = AT91_SDRAM_BASE + 0x100,
- .timer = &at91rm9200_timer,
- .map_io = dk_map_io,
- .init_irq = dk_init_irq,
- .init_machine = dk_board_init,
-MACHINE_END
diff --git a/arch/arm/mach-at91rm9200/board-ek.c b/arch/arm/mach-at91rm9200/board-ek.c
deleted file mode 100644
index fd0752eba89..00000000000
--- a/arch/arm/mach-at91rm9200/board-ek.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * linux/arch/arm/mach-at91rm9200/board-ek.c
- *
- * Copyright (C) 2005 SAN People
- *
- * Epson S1D framebuffer glue code is:
- * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
- *
- * 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
- */
-
-#include <linux/config.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-
-#include <asm/hardware.h>
-#include <asm/setup.h>
-#include <asm/mach-types.h>
-#include <asm/irq.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-
-#include <asm/arch/hardware.h>
-#include <asm/mach/serial_at91rm9200.h>
-#include <asm/arch/board.h>
-
-#include "generic.h"
-
-static void __init ek_init_irq(void)
-{
- /* Initialize AIC controller */
- at91rm9200_init_irq(NULL);
-
- /* Set up the GPIO interrupts */
- at91_gpio_irq_setup(BGA_GPIO_BANKS);
-}
-
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-#define EK_UART_MAP { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-#define EK_SERIAL_CONSOLE 0 /* ttyS0 */
-
-static void __init ek_map_io(void)
-{
- int serial[AT91_NR_UART] = EK_UART_MAP;
- int i;
-
- at91rm9200_map_io();
-
- /* Initialize clocks: 18.432 MHz crystal */
- at91_clock_init(18432000);
-
-#ifdef CONFIG_SERIAL_AT91
- at91_console_port = EK_SERIAL_CONSOLE;
- memcpy(at91_serial_map, serial, sizeof(serial));
-
- /* Register UARTs */
- for (i = 0; i < AT91_NR_UART; i++) {
- if (serial[i] >= 0)
- at91_register_uart(i, serial[i]);
- }
-#endif
-}
-
-static struct at91_eth_data __initdata ek_eth_data = {
- .phy_irq_pin = AT91_PIN_PC4,
- .is_rmii = 1,
-};
-
-static struct at91_usbh_data __initdata ek_usbh_data = {
- .ports = 2,
-};
-
-static struct at91_udc_data __initdata ek_udc_data = {
- .vbus_pin = AT91_PIN_PD4,
- .pullup_pin = AT91_PIN_PD5,
-};
-
-static struct at91_mmc_data __initdata ek_mmc_data = {
- .det_pin = AT91_PIN_PB27,
- .is_b = 0,
- .wire4 = 1,
- .wp_pin = AT91_PIN_PA17,
-};
-
-static void __init ek_board_init(void)
-{
- /* Ethernet */
- at91_add_device_eth(&ek_eth_data);
- /* USB Host */
- at91_add_device_usbh(&ek_usbh_data);
- /* USB Device */
- at91_add_device_udc(&ek_udc_data);
- /* MMC */
- at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). default: MMC */
- at91_add_device_mmc(&ek_mmc_data);
- /* VGA */
-// ek_add_device_video();
-}
-
-MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
- /* Maintainer: SAN People/Atmel */
- .phys_io = AT91_BASE_SYS,
- .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
- .boot_params = AT91_SDRAM_BASE + 0x100,
- .timer = &at91rm9200_timer,
- .map_io = ek_map_io,
- .init_irq = ek_init_irq,
- .init_machine = ek_board_init,
-MACHINE_END
diff --git a/arch/arm/mach-at91rm9200/clock.c b/arch/arm/mach-at91rm9200/clock.c
deleted file mode 100644
index ec8195a2a3c..00000000000
--- a/arch/arm/mach-at91rm9200/clock.c
+++ /dev/null
@@ -1,620 +0,0 @@
-/*
- * linux/arch/arm/mach-at91rm9200/clock.c
- *
- * Copyright (C) 2005 David Brownell
- * Copyright (C) 2005 Ivan Kokshaysky
- *
- * 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/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-
-#include <asm/semaphore.h>
-#include <asm/io.h>
-#include <asm/mach-types.h>
-
-#include <asm/arch/hardware.h>
-#include <asm/arch/board.h> /* for master clock global */
-
-#include "generic.h"
-
-#undef DEBUG
-
-/*
- * There's a lot more which can be done with clocks, including cpufreq
- * integration, slow clock mode support (for system suspend), letting
- * PLLB be used at other rates (on boards that don't need USB), etc.
- */
-
-struct clk {
- const char *name;
- unsigned long rate_hz;
- struct clk *parent;
- u32 pmc_mask;
- void (*mode)(struct clk *, int);
- unsigned id:2; /* PCK0..3, or 32k/main/a/b */
- unsigned primary:1;
- unsigned pll:1;
- unsigned programmable:1;
- u16 users;
-};
-
-static spinlock_t clk_lock;
-static u32 at91_pllb_usb_init;
-
-/*
- * Four primary clock sources: two crystal oscillators (32K, main), and
- * two PLLs. PLLA usually runs the master clock; and PLLB must run at
- * 48 MHz (unless no USB function clocks are needed). The main clock and
- * both PLLs are turned off to run in "slow clock mode" (system suspend).
- */
-static struct clk clk32k = {
- .name = "clk32k",
- .rate_hz = AT91_SLOW_CLOCK,
- .users = 1, /* always on */
- .id = 0,
- .primary = 1,
-};
-static struct clk main_clk = {
- .name = "main",
- .pmc_mask = 1 << 0, /* in PMC_SR */
- .users = 1,
- .id = 1,
- .primary = 1,
-};
-static struct clk plla = {
- .name = "plla",
- .parent = &main_clk,
- .pmc_mask = 1 << 1, /* in PMC_SR */
- .id = 2,
- .primary = 1,
- .pll = 1,
-};
-
-static void pllb_mode(struct clk *clk, int is_on)
-{
- u32 value;
-
- if (is_on) {
- is_on = AT91_PMC_LOCKB;
- value = at91_pllb_usb_init;
- } else
- value = 0;
-
- at91_sys_write(AT91_CKGR_PLLBR, value);
-
- do {
- cpu_relax();
- } while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != is_on);
-}
-
-static struct clk pllb = {
- .name = "pllb",
- .parent = &main_clk,
- .pmc_mask = 1 << 2, /* in PMC_SR */
- .mode = pllb_mode,
- .id = 3,
- .primary = 1,
- .pll = 1,
-};
-
-static void pmc_sys_mode(struct clk *clk, int is_on)
-{
- if (is_on)
- at91_sys_write(AT91_PMC_SCER, clk->pmc_mask);
- else
- at91_sys_write(AT91_PMC_SCDR, clk->pmc_mask);
-}
-
-/* USB function clocks (PLLB must be 48 MHz) */
-static struct clk udpck = {
- .name = "udpck",
- .parent = &pllb,
- .pmc_mask = AT91_PMC_UDP,
- .mode = pmc_sys_mode,
-};
-static struct clk uhpck = {
- .name = "uhpck",
- .parent = &pllb,
- .pmc_mask = AT91_PMC_UHP,
- .mode = pmc_sys_mode,
-};
-
-#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
-/*
- * The four programmable clocks can be parented by any primary clock.
- * You must configure pin multiplexing to bring these signals out.
- */
-static struct clk pck0 = {
- .name = "pck0",
- .pmc_mask = AT91_PMC_PCK0,
- .mode = pmc_sys_mode,
- .programmable = 1,
- .id = 0,
-};
-static struct clk pck1 = {
- .name = "pck1",
- .pmc_mask = AT91_PMC_PCK1,
- .mode = pmc_sys_mode,
- .programmable = 1,
- .id = 1,
-};
-static struct clk pck2 = {
- .name = "pck2",
- .pmc_mask = AT91_PMC_PCK2,
- .mode = pmc_sys_mode,
- .programmable = 1,
- .id = 2,
-};
-static struct clk pck3 = {
- .name = "pck3",
- .pmc_mask = AT91_PMC_PCK3,
- .mode = pmc_sys_mode,
- .programmable = 1,
- .id = 3,
-};
-#endif /* CONFIG_AT91_PROGRAMMABLE_CLOCKS */
-
-
-/*
- * The master clock is divided from the CPU clock (by 1-4). It's used for
- * memory, interfaces to on-chip peripherals, the AIC, and sometimes more
- * (e.g baud rate generation). It's sourced from one of the primary clocks.
- */
-static struct clk mck = {
- .name = "mck",
- .pmc_mask = 1 << 3, /* in PMC_SR */
- .users = 1, /* (must be) always on */
-};
-
-static void pmc_periph_mode(struct clk *clk, int is_on)
-{
- if (is_on)
- at91_sys_write(AT91_PMC_PCER, clk->pmc_mask);
- else
- at91_sys_write(AT91_PMC_PCDR, clk->pmc_mask);
-}
-
-static struct clk udc_clk = {
- .name = "udc_clk",
- .parent = &mck,
- .pmc_mask = 1 << AT91_ID_UDP,
- .mode = pmc_periph_mode,
-};
-static struct clk ohci_clk = {
- .name = "ohci_clk",
- .parent = &mck,
- .pmc_mask = 1 << AT91_ID_UHP,
- .mode = pmc_periph_mode,
-};
-
-static struct clk *const clock_list[] = {
- /* four primary clocks -- MUST BE FIRST! */
- &clk32k,
- &main_clk,
- &plla,
- &pllb,
-
- /* PLLB children (USB) */
- &udpck,
- &uhpck,
-
-#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
- /* programmable clocks */
- &pck0,
- &pck1,
- &pck2,
- &pck3,
-#endif /* CONFIG_AT91_PROGRAMMABLE_CLOCKS */
-
- /* MCK and peripherals */
- &mck,
- // usart0..usart3
- // mmc
- &udc_clk,
- // i2c
- // spi
- // ssc0..ssc2
- // tc0..tc5
- &ohci_clk,
- // ether
-};
-
-
-/* clocks are all static for now; no refcounting necessary */
-struct clk *clk_get(struct device *dev, const char *id)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(clock_list); i++) {
- if (strcmp(id, clock_list[i]->name) == 0)
- return clock_list[i];
- }
-
- return ERR_PTR(-ENOENT);
-}
-EXPORT_SYMBOL(clk_get);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_put);
-
-static void __clk_enable(struct clk *clk)
-{
- if (clk->parent)
- __clk_enable(clk->parent);
- if (clk->users++ == 0 && clk->mode)
- clk->mode(clk, 1);
-}
-
-int clk_enable(struct clk *clk)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&clk_lock, flags);
- __clk_enable(clk);
- spin_unlock_irqrestore(&clk_lock, flags);
- return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-static void __clk_disable(struct clk *clk)
-{
- BUG_ON(clk->users == 0);
- if (--clk->users == 0 && clk->mode)
- clk->mode(clk, 0);
- if (clk->parent)
- __clk_disable(clk->parent);
-}
-
-void clk_disable(struct clk *clk)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&clk_lock, flags);
- __clk_disable(clk);
- spin_unlock_irqrestore(&clk_lock, flags);
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
- unsigned long flags;
- unsigned long rate;
-
- spin_lock_irqsave(&clk_lock, flags);
- for (;;) {
- rate = clk->rate_hz;
- if (rate || !clk->parent)
- break;
- clk = clk->parent;
- }
- spin_unlock_irqrestore(&clk_lock, flags);
- return rate;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-/*------------------------------------------------------------------------*/
-
-#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
-
-/*
- * For now, only the programmable clocks support reparenting (MCK could
- * do this too, with care) or rate changing (the PLLs could do this too,
- * ditto MCK but that's more for cpufreq). Drivers may reparent to get
- * a better rate match; we don't.
- */
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
- unsigned long flags;
- unsigned prescale;
- unsigned long actual;
-
- if (!clk->programmable)
- return -EINVAL;
- spin_lock_irqsave(&clk_lock, flags);
-
- actual = clk->parent->rate_hz;
- for (prescale = 0; prescale < 7; prescale++) {
- if (actual && actual <= rate)
- break;
- actual >>= 1;
- }
-
- spin_unlock_irqrestore(&clk_lock, flags);
- return (prescale < 7) ? actual : -ENOENT;
-}
-EXPORT_SYMBOL(clk_round_rate);
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
- unsigned long flags;
- unsigned prescale;
- unsigned long actual;
-
- if (!clk->programmable)
- return -EINVAL;
- if (clk->users)
- return -EBUSY;
- spin_lock_irqsave(&clk_lock, flags);
-
- actual = clk->parent->rate_hz;
- for (prescale = 0; prescale < 7; prescale++) {
- if (actual && actual <= rate) {
- u32 pckr;
-
- pckr = at91_sys_read(AT91_PMC_PCKR(clk->id));
- pckr &= 0x03;
- pckr |= prescale << 2;
- at91_sys_write(AT91_PMC_PCKR(clk->id), pckr);
- clk->rate_hz = actual;
- break;
- }
- actual >>= 1;
- }
-
- spin_unlock_irqrestore(&clk_lock, flags);
- return (prescale < 7) ? actual : -ENOENT;
-}
-EXPORT_SYMBOL(clk_set_rate);
-
-struct clk *clk_get_parent(struct clk *clk)
-{
- return clk->parent;
-}
-EXPORT_SYMBOL(clk_get_parent);
-
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
- unsigned long flags;
-
- if (clk->users)
- return -EBUSY;
- if (!parent->primary || !clk->programmable)
- return -EINVAL;
- spin_lock_irqsave(&clk_lock, flags);
-
- clk->rate_hz = parent->rate_hz;
- clk->parent = parent;
- at91_sys_write(AT91_PMC_PCKR(clk->id), parent->id);
-
- spin_unlock_irqrestore(&clk_lock, flags);
- return 0;
-}
-EXPORT_SYMBOL(clk_set_parent);
-
-#endif /* CONFIG_AT91_PROGRAMMABLE_CLOCKS */
-
-/*------------------------------------------------------------------------*/
-
-#ifdef CONFIG_DEBUG_FS
-
-static int at91_clk_show(struct seq_file *s, void *unused)
-{
- u32 scsr, pcsr, sr;
- unsigned i;
-
- seq_printf(s, "SCSR = %8x\n", scsr = at91_sys_read(AT91_PMC_SCSR));
- seq_printf(s, "PCSR = %8x\n", pcsr = at91_sys_read(AT91_PMC_PCSR));
-
- seq_printf(s, "MOR = %8x\n", at91_sys_read(AT91_CKGR_MOR));
- seq_printf(s, "MCFR = %8x\n", at91_sys_read(AT91_CKGR_MCFR));
- seq_printf(s, "PLLA = %8x\n", at91_sys_read(AT91_CKGR_PLLAR));
- seq_printf(s, "PLLB = %8x\n", at91_sys_read(AT91_CKGR_PLLBR));
-
- seq_printf(s, "MCKR = %8x\n", at91_sys_read(AT91_PMC_MCKR));
- for (i = 0; i < 4; i++)
- seq_printf(s, "PCK%d = %8x\n", i, at91_sys_read(AT91_PMC_PCKR(i)));
- seq_printf(s, "SR = %8x\n", sr = at91_sys_read(AT91_PMC_SR));
-
- seq_printf(s, "\n");
-
- for (i = 0; i < ARRAY_SIZE(clock_list); i++) {
- char *state;
- struct clk *clk = clock_list[i];
-
- if (clk->mode == pmc_sys_mode)
- state = (scsr & clk->pmc_mask) ? "on" : "off";
- else if (clk->mode == pmc_periph_mode)
- state = (pcsr & clk->pmc_mask) ? "on" : "off";
- else if (clk->pmc_mask)
- state = (sr & clk->pmc_mask) ? "on" : "off";
- else if (clk == &clk32k || clk == &main_clk)
- state = "on";
- else
- state = "";
-
- seq_printf(s, "%-10s users=%d %-3s %9ld Hz %s\n",
- clk->name, clk->users, state, clk_get_rate(clk),
- clk->parent ? clk->parent->name : "");
- }
- return 0;
-}
-
-static int at91_clk_open(struct inode *inode, struct file *file)
-{
- return single_open(file, at91_clk_show, NULL);
-}
-
-static struct file_operations at91_clk_operations = {
- .open = at91_clk_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static int __init at91_clk_debugfs_init(void)
-{
- /* /sys/kernel/debug/at91_clk */
- (void) debugfs_create_file("at91_clk", S_IFREG | S_IRUGO, NULL, NULL, &at91_clk_operations);
-
- return 0;
-}
-postcore_initcall(at91_clk_debugfs_init);
-
-#endif
-
-/*------------------------------------------------------------------------*/
-
-static u32 __init at91_pll_rate(struct clk *pll, u32 freq, u32 reg)
-{
- unsigned mul, div;
-
- div = reg & 0xff;
- mul = (reg >> 16) & 0x7ff;
- if (div && mul) {
- freq /= div;
- freq *= mul + 1;
- } else
- freq = 0;
- if (pll == &pllb && (reg & (1 << 28)))
- freq /= 2;
- return freq;
-}
-
-static unsigned __init at91_pll_calc(unsigned main_freq, unsigned out_freq)
-{
- unsigned i, div = 0, mul = 0, diff = 1 << 30;
- unsigned ret = (out_freq > 155000000) ? 0xbe00 : 0x3e00;
-
- /* PLL output max 240 MHz (or 180 MHz per errata) */
- if (out_freq > 240000000)
- goto fail;
-
- for (i = 1; i < 256; i++) {
- int diff1;
- unsigned input, mul1;
-
- /*
- * PLL input between 1MHz and 32MHz per spec, but lower
- * frequences seem necessary in some cases so allow 100K.
- */
- input = main_freq / i;
- if (input < 100000)
- continue;
- if (input > 32000000)
- continue;
-
- mul1 = out_freq / input;
- if (mul1 > 2048)
- continue;
- if (mul1 < 2)
- goto fail;
-
- diff1 = out_freq - input * mul1;
- if (diff1 < 0)
- diff1 = -diff1;
- if (diff > diff1) {
- diff = diff1;
- div = i;
- mul = mul1;
- if (diff == 0)
- break;
- }
- }
- if (i == 256 && diff > (out_freq >> 5))
- goto fail;
- return ret | ((mul - 1) << 16) | div;
-fail:
- return 0;
-}
-
-int __init at91_clock_init(unsigned long main_clock)
-{
- unsigned tmp, freq, mckr;
-
- spin_lock_init(&clk_lock);
-
- /*
- * When the bootloader initialized the main oscillator correctly,
- * there's no problem using the cycle counter. But if it didn't,
- * or when using oscillator bypass mode, we must be told the speed
- * of the main clock.
- */
- if (!main_clock) {
- do {
- tmp = at91_sys_read(AT91_CKGR_MCFR);
- } while (!(tmp & 0x10000));
- main_clock = (tmp & 0xffff) * (AT91_SLOW_CLOCK / 16);
- }
- main_clk.rate_hz = main_clock;
-
- /* report if PLLA is more than mildly overclocked */
- plla.rate_hz = at91_pll_rate(&plla, main_clock, at91_sys_read(AT91_CKGR_PLLAR));
- if (plla.rate_hz > 209000000)
- pr_info("Clocks: PLLA overclocked, %ld MHz\n", plla.rate_hz / 1000000);
-
- /*
- * USB clock init: choose 48 MHz PLLB value, turn all clocks off,
- * disable 48MHz clock during usb peripheral suspend.
- *
- * REVISIT: assumes MCK doesn't derive from PLLB!
- */
- at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | 0x10000000;
- pllb.rate_hz = at91_pll_rate(&pllb, main_clock, at91_pllb_usb_init);
- at91_sys_write(AT91_PMC_PCDR, (1 << AT91_ID_UHP) | (1 << AT91_ID_UDP));
- at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP | AT91_PMC_UDP);
- at91_sys_write(AT91_CKGR_PLLBR, 0);
- at91_sys_write(AT91_PMC_SCER, AT91_PMC_MCKUDP);
-
- /*
- * MCK and CPU derive from one of those primary clocks.
- * For now, assume this parentage won't change.
- */
- mckr = at91_sys_read(AT91_PMC_MCKR);
- mck.parent = clock_list[mckr & AT91_PMC_CSS];
- mck.parent->users++;
- freq = mck.parent->rate_hz;
- freq /= (1 << ((mckr >> 2) & 3)); /* prescale */
- mck.rate_hz = freq / (1 + ((mckr >> 8) & 3)); /* mdiv */
-
- printk("Clocks: CPU %u MHz, master %u MHz, main %u.%03u MHz\n",
- freq / 1000000, (unsigned) mck.rate_hz / 1000000,
- (unsigned) main_clock / 1000000,
- ((unsigned) main_clock % 1000000) / 1000);
-
- /* FIXME get rid of master_clock global */
- at91_master_clock = mck.rate_hz;
-
-#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
- /* establish PCK0..PCK3 parentage */
- for (tmp = 0; tmp < ARRAY_SIZE(clock_list); tmp++) {
- struct clk *clk = clock_list[tmp], *parent;
- u32 pckr;
-
- if (!clk->programmable)
- continue;
-
- pckr = at91_sys_read(AT91_PMC_PCKR(clk->id));
- parent = clock_list[pckr & 3];
- clk->parent = parent;
- clk->rate_hz = parent->rate_hz / (1 << ((pckr >> 2) & 3));
- }
-#else
- /* disable unused clocks */
- at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK0 | AT91_PMC_PCK1 | AT91_PMC_PCK2 | AT91_PMC_PCK3);
-#endif /* CONFIG_AT91_PROGRAMMABLE_CLOCKS */
-
- /* FIXME several unused clocks may still be active... provide
- * a CONFIG option to turn off all unused clocks at some point
- * before driver init starts.
- */
-
- return 0;
-}
diff --git a/arch/arm/mach-at91rm9200/common.c b/arch/arm/mach-at91rm9200/common.c
deleted file mode 100644
index 3848fd2d559..00000000000
--- a/arch/arm/mach-at91rm9200/common.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * arch/arm/mach-at91rm9200/common.c
- *
- * Copyright (C) 2005 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.
- *
- */
-
-#include <linux/config.h>
-#include <linux/module.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <asm/arch/hardware.h>
-
-static struct map_desc at91rm9200_io_desc[] __initdata = {
- {
- .virtual = AT91_VA_BASE_SYS,
- .pfn = __phys_to_pfn(AT91_BASE_SYS),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_SPI,
- .pfn = __phys_to_pfn(AT91_BASE_SPI),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_SSC2,
- .pfn = __phys_to_pfn(AT91_BASE_SSC2),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_SSC1,
- .pfn = __phys_to_pfn(AT91_BASE_SSC1),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_SSC0,
- .pfn = __phys_to_pfn(AT91_BASE_SSC0),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_US3,
- .pfn = __phys_to_pfn(AT91_BASE_US3),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_US2,
- .pfn = __phys_to_pfn(AT91_BASE_US2),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_US1,
- .pfn = __phys_to_pfn(AT91_BASE_US1),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_US0,
- .pfn = __phys_to_pfn(AT91_BASE_US0),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_EMAC,
- .pfn = __phys_to_pfn(AT91_BASE_EMAC),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_TWI,
- .pfn = __phys_to_pfn(AT91_BASE_TWI),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_MCI,
- .pfn = __phys_to_pfn(AT91_BASE_MCI),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_UDP,
- .pfn = __phys_to_pfn(AT91_BASE_UDP),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_TCB1,
- .pfn = __phys_to_pfn(AT91_BASE_TCB1),
- .length = SZ_16K,
- .type = MT_DEVICE,
- }, {
- .virtual = AT91_VA_BASE_TCB0,
- .pfn = __phys_to_pfn(AT91_BASE_TCB0),
- .length = SZ_16K,
- .type = MT_DEVICE,
- },
-};
-
-void __init at91rm9200_map_io(void)
-{
- iotable_init(at91rm9200_io_desc, ARRAY_SIZE(at91rm9200_io_desc));
-}
-
-
-unsigned long at91_master_clock;
-
-EXPORT_SYMBOL(at91_master_clock);
-
-
-int at91_serial_map[AT91_NR_UART];
-int at91_console_port;
-
-EXPORT_SYMBOL(at91_serial_map);
-EXPORT_SYMBOL(at91_console_port);
diff --git a/arch/arm/mach-at91rm9200/devices.c b/arch/arm/mach-at91rm9200/devices.c
deleted file mode 100644
index 8df3e524565..00000000000
--- a/arch/arm/mach-at91rm9200/devices.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/*
- * arch/arm/mach-at91rm9200/devices.c
- *
- * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
- * Copyright (C) 2005 David Brownell
- *
- * 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 <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <linux/config.h>
-#include <linux/platform_device.h>
-
-#include <asm/arch/board.h>
-#include <asm/arch/pio.h>
-
-
-/* --------------------------------------------------------------------
- * USB Host
- * -------------------------------------------------------------------- */
-
-#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-static u64 ohci_dmamask = 0xffffffffUL;
-static struct at91_usbh_data usbh_data;
-
-static struct resource at91rm9200_usbh_resource[] = {
- [0] = {
- .start = AT91_UHP_BASE,
- .end = AT91_UHP_BASE + SZ_1M -1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91_ID_UHP,
- .end = AT91_ID_UHP,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91rm9200_usbh_device = {
- .name = "at91rm9200-ohci",
- .id = -1,
- .dev = {
- .dma_mask = &ohci_dmamask,
- .coherent_dma_mask = 0xffffffff,
- .platform_data = &usbh_data,
- },
- .resource = at91rm9200_usbh_resource,
- .num_resources = ARRAY_SIZE(at91rm9200_usbh_resource),
-};
-
-void __init at91_add_device_usbh(struct at91_usbh_data *data)
-{
- if (!data)
- return;
-
- usbh_data = *data;
- platform_device_register(&at91rm9200_usbh_device);
-}
-#else
-void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
-#endif
-
-
-/* --------------------------------------------------------------------
- * USB Device (Gadget)
- * -------------------------------------------------------------------- */
-
-#ifdef CONFIG_USB_GADGET_AT91
-static struct at91_udc_data udc_data;
-
-static struct resource at91_udc_resources[] = {
- {
- .start = AT91_BASE_UDP,
- .end = AT91_BASE_UDP + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- }
-};
-
-static struct platform_device at91rm9200_udc_device = {
- .name = "at91_udc",
- .id = -1,
- .dev = {
- .platform_data = &udc_data,
- },
- .resource = at91_udc_resources,
- .num_resources = ARRAY_SIZE(at91_udc_resources),
-};
-
-void __init at91_add_device_udc(struct at91_udc_data *data)
-{
- if (!data)
- return;
-
- if (data->vbus_pin) {
- at91_set_gpio_input(data->vbus_pin, 0);
- at91_set_deglitch(data->vbus_pin, 1);
- }
- if (data->pullup_pin)
- at91_set_gpio_output(data->pullup_pin, 0);
-
- udc_data = *data;
- platform_device_register(&at91rm9200_udc_device);
-}
-#else
-void __init at91_add_device_udc(struct at91_udc_data *data) {}
-#endif
-
-
-/* --------------------------------------------------------------------
- * Ethernet
- * -------------------------------------------------------------------- */
-
-#if defined(CONFIG_ARM_AT91_ETHER) || defined(CONFIG_ARM_AT91_ETHER_MODULE)
-static u64 eth_dmamask = 0xffffffffUL;
-static struct at91_eth_data eth_data;
-
-static struct platform_device at91rm9200_eth_device = {
- .name = "at91_ether",
- .id = -1,
- .dev = {
- .dma_mask = &eth_dmamask,
- .coherent_dma_mask = 0xffffffff,
- .platform_data = &eth_data,
- },
- .num_resources = 0,
-};
-
-void __init at91_add_device_eth(struct at91_eth_data *data)
-{
- if (!data)
- return;
-
- if (data->phy_irq_pin) {
- at91_set_gpio_input(data->phy_irq_pin, 0);
- at91_set_deglitch(data->phy_irq_pin, 1);
- }
-
- /* Pins used for MII and RMII */
- at91_set_A_periph(AT91_PIN_PA16, 0); /* EMDIO */
- at91_set_A_periph(AT91_PIN_PA15, 0); /* EMDC */
- at91_set_A_periph(AT91_PIN_PA14, 0); /* ERXER */
- at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */
- at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */
- at91_set_A_periph(AT91_PIN_PA11, 0); /* ECRS_ECRSDV */
- at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX1 */
- at91_set_A_periph(AT91_PIN_PA9, 0); /* ETX0 */
- at91_set_A_periph(AT91_PIN_PA8, 0); /* ETXEN */
- at91_set_A_periph(AT91_PIN_PA7, 0); /* ETXCK_EREFCK */
-
- if (!data->is_rmii) {
- at91_set_B_periph(AT91_PIN_PB19, 0); /* ERXCK */
- at91_set_B_periph(AT91_PIN_PB18, 0); /* ECOL */
- at91_set_B_periph(AT91_PIN_PB17, 0); /* ERXDV */
- at91_set_B_periph(AT91_PIN_PB16, 0); /* ERX3 */
- at91_set_B_periph(AT91_PIN_PB15, 0); /* ERX2 */
- at91_set_B_periph(AT91_PIN_PB14, 0); /* ETXER */
- at91_set_B_periph(AT91_PIN_PB13, 0); /* ETX3 */
- at91_set_B_periph(AT91_PIN_PB12, 0); /* ETX2 */
- }
-
- eth_data = *data;
- platform_device_register(&at91rm9200_eth_device);
-}
-#else
-void __init at91_add_device_eth(struct at91_eth_data *data) {}
-#endif
-
-
-/* --------------------------------------------------------------------
- * Compact Flash / PCMCIA
- * -------------------------------------------------------------------- */
-
-#if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
-static struct at91_cf_data cf_data;
-
-static struct platform_device at91rm9200_cf_device = {
- .name = "at91_cf",
- .id = -1,
- .dev = {
- .platform_data = &cf_data,
- },
- .num_resources = 0,
-};
-
-void __init at91_add_device_cf(struct at91_cf_data *data)
-{
- if (!data)
- return;
-
- /* input/irq */
- if (data->irq_pin) {
- at91_set_gpio_input(data->irq_pin, 1);
- at91_set_deglitch(data->irq_pin, 1);
- }
- at91_set_gpio_input(data->det_pin, 1);
- at91_set_deglitch(data->det_pin, 1);
-
- /* outputs, initially off */
- if (data->vcc_pin)
- at91_set_gpio_output(data->vcc_pin, 0);
- at91_set_gpio_output(data->rst_pin, 0);
-
- cf_data = *data;
- platform_device_register(&at91rm9200_cf_device);
-}
-#else
-void __init at91_add_device_cf(struct at91_cf_data *data) {}
-#endif
-
-
-/* --------------------------------------------------------------------
- * MMC / SD
- * -------------------------------------------------------------------- */
-
-#if defined(CONFIG_MMC_AT91RM9200) || defined(CONFIG_MMC_AT91RM9200_MODULE)
-static u64 mmc_dmamask = 0xffffffffUL;
-static struct at91_mmc_data mmc_data;
-
-static struct resource at91_mmc_resources[] = {
- {
- .start = AT91_BASE_MCI,
- .end = AT91_BASE_MCI + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- }
-};
-
-static struct platform_device at91rm9200_mmc_device = {
- .name = "at91rm9200_mci",
- .id = -1,
- .dev = {
- .dma_mask = &mmc_dmamask,
- .coherent_dma_mask = 0xffffffff,
- .platform_data = &mmc_data,
- },
- .resource = at91_mmc_resources,
- .num_resources = ARRAY_SIZE(at91_mmc_resources),
-};
-
-void __init at91_add_device_mmc(struct at91_mmc_data *data)
-{
- if (!data)
- return;
-
- /* input/irq */
- if (data->det_pin) {
- at91_set_gpio_input(data->det_pin, 1);
- at91_set_deglitch(data->det_pin, 1);
- }
- if (data->wp_pin)
- at91_set_gpio_input(data->wp_pin, 1);
-
- /* CLK */
- at91_set_A_periph(AT91_PIN_PA27, 0);
-
- if (data->is_b) {
- /* CMD */
- at91_set_B_periph(AT91_PIN_PA8, 0);
-
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_B_periph(AT91_PIN_PA9, 0);
- if (data->wire4) {
- at91_set_B_periph(AT91_PIN_PA10, 0);
- at91_set_B_periph(AT91_PIN_PA11, 0);
- at91_set_B_periph(AT91_PIN_PA12, 0);
- }
- } else {
- /* CMD */
- at91_set_A_periph(AT91_PIN_PA28, 0);
-
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_A_periph(AT91_PIN_PA29, 0);
- if (data->wire4) {
- at91_set_B_periph(AT91_PIN_PB3, 0);
- at91_set_B_periph(AT91_PIN_PB4, 0);
- at91_set_B_periph(AT91_PIN_PB5, 0);
- }
- }
-
- mmc_data = *data;
- platform_device_register(&at91rm9200_mmc_device);
-}
-#else
-void __init at91_add_device_mmc(struct at91_mmc_data *data) {}
-#endif
-
-/* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91rm9200/generic.h b/arch/arm/mach-at91rm9200/generic.h
deleted file mode 100644
index 9bd541eba0a..00000000000
--- a/arch/arm/mach-at91rm9200/generic.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * linux/arch/arm/mach-at91rm9200/generic.h
- *
- * Copyright (C) 2005 David Brownell
- *
- * 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.
- */
-
-void at91_gpio_irq_setup(unsigned banks);
-
-struct sys_timer;
-extern struct sys_timer at91rm9200_timer;
-
-extern void __init at91rm9200_map_io(void);
-
-extern int __init at91_clock_init(unsigned long main_clock);
diff --git a/arch/arm/mach-at91rm9200/gpio.c b/arch/arm/mach-at91rm9200/gpio.c
deleted file mode 100644
index 2fd2ef583e4..00000000000
--- a/arch/arm/mach-at91rm9200/gpio.c
+++ /dev/null
@@ -1,302 +0,0 @@
-/*
- * linux/arch/arm/mach-at91rm9200/gpio.c
- *
- * Copyright (C) 2005 HP Labs
- *
- * 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/errno.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/module.h>
-
-#include <asm/io.h>
-#include <asm/mach/irq.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/gpio.h>
-
-static const u32 pio_controller_offset[4] = {
- AT91_PIOA,
- AT91_PIOB,
- AT91_PIOC,
- AT91_PIOD,
-};
-
-static inline void __iomem *pin_to_controller(unsigned pin)
-{
- void __iomem *sys_base = (void __iomem *) AT91_VA_BASE_SYS;
-
- pin -= PIN_BASE;
- pin /= 32;
- if (likely(pin < BGA_GPIO_BANKS))
- return sys_base + pio_controller_offset[pin];
-
- return NULL;
-}
-
-static inline unsigned pin_to_mask(unsigned pin)
-{
- pin -= PIN_BASE;
- return 1 << (pin % 32);
-}
-
-
-/*--------------------------------------------------------------------------*/
-
-/* Not all hardware capabilities are exposed through these calls; they
- * only encapsulate the most common features and modes. (So if you
- * want to change signals in groups, do it directly.)
- *
- * Bootloaders will usually handle some of the pin multiplexing setup.
- * The intent is certainly that by the time Linux is fully booted, all
- * pins should have been fully initialized. These setup calls should
- * only be used by board setup routines, or possibly in driver probe().
- *
- * For bootloaders doing all that setup, these calls could be inlined
- * as NOPs so Linux won't duplicate any setup code
- */
-
-
-/*
- * mux the pin to the "A" internal peripheral role.
- */
-int __init_or_module at91_set_A_periph(unsigned pin, int use_pullup)
-{
- void __iomem *pio = pin_to_controller(pin);
- unsigned mask = pin_to_mask(pin);
-
- if (!pio)
- return -EINVAL;
-
- __raw_writel(mask, pio + PIO_IDR);
- __raw_writel(mask, pio + (use_pullup ? PIO_PUER : PIO_PUDR));
- __raw_writel(mask, pio + PIO_ASR);
- __raw_writel(mask, pio + PIO_PDR);
- return 0;
-}
-EXPORT_SYMBOL(at91_set_A_periph);
-
-
-/*
- * mux the pin to the "B" internal peripheral role.
- */
-int __init_or_module at91_set_B_periph(unsigned pin, int use_pullup)
-{
- void __iomem *pio = pin_to_controller(pin);
- unsigned mask = pin_to_mask(pin);
-
- if (!pio)
- return -EINVAL;
-
- __raw_writel(mask, pio + PIO_IDR);
- __raw_writel(mask, pio + (use_pullup ? PIO_PUER : PIO_PUDR));
- __raw_writel(mask, pio + PIO_BSR);
- __raw_writel(mask, pio + PIO_PDR);
- return 0;
-}
-EXPORT_SYMBOL(at91_set_B_periph);
-
-
-/*
- * mux the pin to the gpio controller (instead of "A" or "B" peripheral), and
- * configure it for an input.
- */
-int __init_or_module at91_set_gpio_input(unsigned pin, int use_pullup)
-{
- void __iomem *pio = pin_to_controller(pin);
- unsigned mask = pin_to_mask(pin);
-
- if (!pio)
- return -EINVAL;
-
- __raw_writel(mask, pio + PIO_IDR);
- __raw_writel(mask, pio + (use_pullup ? PIO_PUER : PIO_PUDR));
- __raw_writel(mask, pio + PIO_ODR);
- __raw_writel(mask, pio + PIO_PER);
- return 0;
-}
-EXPORT_SYMBOL(at91_set_gpio_input);
-
-
-/*
- * mux the pin to the gpio controller (instead of "A" or "B" peripheral),
- * and configure it for an output.
- */
-int __init_or_module at91_set_gpio_output(unsigned pin, int value)
-{
- void __iomem *pio = pin_to_controller(pin);
- unsigned mask = pin_to_mask(pin);
-
- if (!pio)
- return -EINVAL;
-
- __raw_writel(mask, pio + PIO_IDR);
- __raw_writel(mask, pio + PIO_PUDR);
- __raw_writel(mask, pio + (value ? PIO_SODR : PIO_CODR));
- __raw_writel(mask, pio + PIO_OER);
- __raw_writel(mask, pio + PIO_PER);
- return 0;
-}
-EXPORT_SYMBOL(at91_set_gpio_output);
-
-
-/*
- * enable/disable the glitch filter; mostly used with IRQ handling.
- */
-int __init_or_module at91_set_deglitch(unsigned pin, int is_on)
-{
- void __iomem *pio = pin_to_controller(pin);
- unsigned mask = pin_to_mask(pin);
-
- if (!pio)
- return -EINVAL;
- __raw_writel(mask, pio + (is_on ? PIO_IFER : PIO_IFDR));
- return 0;
-}
-EXPORT_SYMBOL(at91_set_deglitch);
-
-/*--------------------------------------------------------------------------*/
-
-
-/*
- * assuming the pin is muxed as a gpio output, set its value.
- */
-int at91_set_gpio_value(unsigned pin, int value)
-{
- void __iomem *pio = pin_to_controller(pin);
- unsigned mask = pin_to_mask(pin);
-
- if (!pio)
- return -EINVAL;
- __raw_writel(mask, pio + (value ? PIO_SODR : PIO_CODR));
- return 0;
-}
-EXPORT_SYMBOL(at91_set_gpio_value);
-
-
-/*
- * read the pin's value (works even if it's not muxed as a gpio).
- */
-int at91_get_gpio_value(unsigned pin)
-{
- void __iomem *pio = pin_to_controller(pin);
- unsigned mask = pin_to_mask(pin);
- u32 pdsr;
-
- if (!pio)
- return -EINVAL;
- pdsr = __raw_readl(pio + PIO_PDSR);
- return (pdsr & mask) != 0;
-}
-EXPORT_SYMBOL(at91_get_gpio_value);
-
-/*--------------------------------------------------------------------------*/
-
-
-/* Several AIC controller irqs are dispatched through this GPIO handler.
- * To use any AT91_PIN_* as an externally triggered IRQ, first call
- * at91_set_gpio_input() then maybe enable its glitch filter.
- * Then just request_irq() with the pin ID; it works like any ARM IRQ
- * handler, though it always triggers on rising and falling edges.
- *
- * Alternatively, certain pins may be used directly as IRQ0..IRQ6 after
- * configuring them with at91_set_a_periph() or at91_set_b_periph().
- * IRQ0..IRQ6 should be configurable, e.g. level vs edge triggering.
- */
-
-static void gpio_irq_mask(unsigned pin)
-{
- void __iomem *pio = pin_to_controller(pin);
- unsigned mask = pin_to_mask(pin);
-
- if (pio)
- __raw_writel(mask, pio + PIO_IDR);
-}
-
-static void gpio_irq_unmask(unsigned pin)
-{
- void __iomem *pio = pin_to_controller(pin);
- unsigned mask = pin_to_mask(pin);
-
- if (pio)
- __raw_writel(mask, pio + PIO_IER);
-}
-
-static int gpio_irq_type(unsigned pin, unsigned type)
-{
- return (type == IRQT_BOTHEDGE) ? 0 : -EINVAL;
-}
-
-static struct irqchip gpio_irqchip = {
- .mask = gpio_irq_mask,
- .unmask = gpio_irq_unmask,
- .set_type = gpio_irq_type,
-};
-
-static void gpio_irq_handler(unsigned irq, struct irqdesc *desc, struct pt_regs *regs)
-{
- unsigned pin;
- struct irqdesc *gpio;
- void __iomem *pio;
- u32 isr;
-
- pio = (void __force __iomem *) desc->chipdata;
-
- /* temporarily mask (level sensitive) parent IRQ */
- desc->chip->ack(irq);
- for (;;) {
- isr = __raw_readl(pio + PIO_ISR) & __raw_readl(pio + PIO_IMR);
- if (!isr)
- break;
-
- pin = (unsigned) desc->data;
- gpio = &irq_desc[pin];
-
- while (isr) {
- if (isr & 1)
- gpio->handle(pin, gpio, regs);
- pin++;
- gpio++;
- isr >>= 1;
- }
- }
- desc->chip->unmask(irq);
- /* now it may re-trigger */
-}
-
-/* call this from board-specific init_irq */
-void __init at91_gpio_irq_setup(unsigned banks)
-{
- unsigned pioc, pin, id;
-
- if (banks > 4)
- banks = 4;
- for (pioc = 0, pin = PIN_BASE, id = AT91_ID_PIOA;
- pioc < banks;
- pioc++, id++) {
- void __iomem *controller;
- unsigned i;
-
- controller = (void __iomem *) AT91_VA_BASE_SYS + pio_controller_offset[pioc];
- __raw_writel(~0, controller + PIO_IDR);
-
- set_irq_data(id, (void *) pin);
- set_irq_chipdata(id, (void __force *) controller);
-
- for (i = 0; i < 32; i++, pin++) {
- set_irq_chip(pin, &gpio_irqchip);
- set_irq_handler(pin, do_simple_IRQ);
- set_irq_flags(pin, IRQF_VALID);
- }
-
- set_irq_chained_handler(id, gpio_irq_handler);
-
- /* enable the PIO peripheral clock */
- at91_sys_write(AT91_PMC_PCER, 1 << id);
- }
- pr_info("AT91: %d gpio irqs in %d banks\n", pin - PIN_BASE, banks);
-}
diff --git a/arch/arm/mach-at91rm9200/irq.c b/arch/arm/mach-at91rm9200/irq.c
deleted file mode 100644
index cb62bc83a1d..00000000000
--- a/arch/arm/mach-at91rm9200/irq.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * linux/arch/arm/mach-at91rm9200/irq.c
- *
- * Copyright (C) 2004 SAN People
- * Copyright (C) 2004 ATMEL
- * Copyright (C) Rick Bronson
- *
- * 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
- */
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/types.h>
-
-#include <asm/hardware.h>
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-#include <asm/setup.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/map.h>
-
-#include "generic.h"
-
-/*
- * The default interrupt priority levels (0 = lowest, 7 = highest).
- */
-static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = {
- 7, /* Advanced Interrupt Controller */
- 7, /* System Peripheral */
- 0, /* Parallel IO Controller A */
- 0, /* Parallel IO Controller B */
- 0, /* Parallel IO Controller C */
- 0, /* Parallel IO Controller D */
- 6, /* USART 0 */
- 6, /* USART 1 */
- 6, /* USART 2 */
- 6, /* USART 3 */
- 0, /* Multimedia Card Interface */
- 4, /* USB Device Port */
- 0, /* Two-Wire Interface */
- 6, /* Serial Peripheral Interface */
- 5, /* Serial Synchronous Controller */
- 5, /* Serial Synchronous Controller */
- 5, /* Serial Synchronous Controller */
- 0, /* Timer Counter 0 */
- 0, /* Timer Counter 1 */
- 0, /* Timer Counter 2 */
- 0, /* Timer Counter 3 */
- 0, /* Timer Counter 4 */
- 0, /* Timer Counter 5 */
- 3, /* USB Host port */
- 3, /* Ethernet MAC */
- 0, /* Advanced Interrupt Controller */
- 0, /* Advanced Interrupt Controller */
- 0, /* Advanced Interrupt Controller */
- 0, /* Advanced Interrupt Controller */
- 0, /* Advanced Interrupt Controller */
- 0, /* Advanced Interrupt Controller */
- 0 /* Advanced Interrupt Controller */
-};
-
-
-static void at91rm9200_mask_irq(unsigned int irq)
-{
- /* Disable interrupt on AIC */
- at91_sys_write(AT91_AIC_IDCR, 1 << irq);
-}
-
-static void at91rm9200_unmask_irq(unsigned int irq)
-{
- /* Enable interrupt on AIC */
- at91_sys_write(AT91_AIC_IECR, 1 << irq);
-}
-
-static int at91rm9200_irq_type(unsigned irq, unsigned type)
-{
- unsigned int smr, srctype;
-
- /* change triggering only for FIQ and external IRQ0..IRQ6 */
- if ((irq < AT91_ID_IRQ0) && (irq != AT91_ID_FIQ))
- return -EINVAL;
-
- switch (type) {
- case IRQT_HIGH:
- srctype = AT91_AIC_SRCTYPE_HIGH;
- break;
- case IRQT_RISING:
- srctype = AT91_AIC_SRCTYPE_RISING;
- break;
- case IRQT_LOW:
- srctype = AT91_AIC_SRCTYPE_LOW;
- break;
- case IRQT_FALLING:
- srctype = AT91_AIC_SRCTYPE_FALLING;
- break;
- default:
- return -EINVAL;
- }
-
- smr = at91_sys_read(AT91_AIC_SMR(irq)) & ~AT91_AIC_SRCTYPE;
- at91_sys_write(AT91_AIC_SMR(irq), smr | srctype);
- return 0;
-}
-
-static struct irqchip at91rm9200_irq_chip = {
- .ack = at91rm9200_mask_irq,
- .mask = at91rm9200_mask_irq,
- .unmask = at91rm9200_unmask_irq,
- .set_type = at91rm9200_irq_type,
-};
-
-/*
- * Initialize the AIC interrupt controller.
- */
-void __init at91rm9200_init_irq(unsigned int priority[NR_AIC_IRQS])
-{
- unsigned int i;
-
- /* No priority list specified for this board -> use defaults */
- if (priority == NULL)
- priority = at91rm9200_default_irq_priority;
-
- /*
- * The IVR is used by macro get_irqnr_and_base to read and verify.
- * The irq number is NR_AIC_IRQS when a spurious interrupt has occurred.
- */
- for (i = 0; i < NR_AIC_IRQS; i++) {
- /* Put irq number in Source Vector Register: */
- at91_sys_write(AT91_AIC_SVR(i), i);
- /* Store the Source Mode Register as defined in table above */
- at91_sys_write(AT91_AIC_SMR(i), AT91_AIC_SRCTYPE_LOW | priority[i]);
-
- set_irq_chip(i, &at91rm9200_irq_chip);
- set_irq_handler(i, do_level_IRQ);
- set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
-
- /* Perform 8 End Of Interrupt Command to make sure AIC will not Lock out nIRQ */
- if (i < 8)
- at91_sys_write(AT91_AIC_EOICR, 0);
- }
-
- /*
- * Spurious Interrupt ID in Spurious Vector Register is NR_AIC_IRQS
- * When there is no current interrupt, the IRQ Vector Register reads the value stored in AIC_SPU
- */
- at91_sys_write(AT91_AIC_SPU, NR_AIC_IRQS);
-
- /* No debugging in AIC: Debug (Protect) Control Register */
- at91_sys_write(AT91_AIC_DCR, 0);
-
- /* Disable and clear all interrupts initially */
- at91_sys_write(AT91_AIC_IDCR, 0xFFFFFFFF);
- at91_sys_write(AT91_AIC_ICCR, 0xFFFFFFFF);
-}
diff --git a/arch/arm/mach-at91rm9200/time.c b/arch/arm/mach-at91rm9200/time.c
deleted file mode 100644
index 1b6dd2deeb2..00000000000
--- a/arch/arm/mach-at91rm9200/time.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * linux/arch/arm/mach-at91rm9200/time.c
- *
- * Copyright (C) 2003 SAN People
- * Copyright (C) 2003 ATMEL
- *
- * 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
- */
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/time.h>
-
-#include <asm/hardware.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/mach/time.h>
-
-/*
- * The ST_CRTR is updated asynchronously to the master clock. It is therefore
- * necessary to read it twice (with the same value) to ensure accuracy.
- */
-static inline unsigned long read_CRTR(void) {
- unsigned long x1, x2;
-
- do {
- x1 = at91_sys_read(AT91_ST_CRTR);
- x2 = at91_sys_read(AT91_ST_CRTR);
- } while (x1 != x2);
-
- return x1;
-}
-
-/*
- * Returns number of microseconds since last timer interrupt. Note that interrupts
- * will have been disabled by do_gettimeofday()
- * 'LATCH' is hwclock ticks (see CLOCK_TICK_RATE in timex.h) per jiffy.
- * 'tick' is usecs per jiffy (linux/timex.h).
- */
-static unsigned long at91rm9200_gettimeoffset(void)
-{
- unsigned long elapsed;
-
- elapsed = (read_CRTR() - at91_sys_read(AT91_ST_RTAR)) & AT91_ST_ALMV;
-
- return (unsigned long)(elapsed * (tick_nsec / 1000)) / LATCH;
-}
-
-/*
- * IRQ handler for the timer.
- */
-static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-{
- unsigned long rtar;
-
- if (at91_sys_read(AT91_ST_SR) & AT91_ST_PITS) { /* This is a shared interrupt */
- write_seqlock(&xtime_lock);
-
- do {
- timer_tick(regs);
- rtar = (at91_sys_read(AT91_ST_RTAR) + LATCH) & AT91_ST_ALMV;
- at91_sys_write(AT91_ST_RTAR, rtar);
- } while (((read_CRTR() - at91_sys_read(AT91_ST_RTAR)) & AT91_ST_ALMV) >= LATCH);
-
- write_sequnlock(&xtime_lock);
-
- return IRQ_HANDLED;
- }
- else
- return IRQ_NONE; /* not handled */
-}
-
-static struct irqaction at91rm9200_timer_irq = {
- .name = "at91_tick",
- .flags = SA_SHIRQ | SA_INTERRUPT,
- .handler = at91rm9200_timer_interrupt
-};
-
-/*
- * Set up timer interrupt.
- */
-void __init at91rm9200_timer_init(void)
-{
- /* Disable all timer interrupts */
- at91_sys_write(AT91_ST_IDR, AT91_ST_PITS | AT91_ST_WDOVF | AT91_ST_RTTINC | AT91_ST_ALMS);
- (void) at91_sys_read(AT91_ST_SR); /* Clear any pending interrupts */
-
- /*
- * Make IRQs happen for the system timer.
- */
- setup_irq(AT91_ID_SYS, &at91rm9200_timer_irq);
-
- /* Set initial alarm to 0 */
- at91_sys_write(AT91_ST_RTAR, 0);
-
- /* Real time counter incremented every 30.51758 microseconds */
- at91_sys_write(AT91_ST_RTMR, 1);
-
- /* Set Period Interval timer */
- at91_sys_write(AT91_ST_PIMR, LATCH);
-
- /* Change the kernel's 'tick' value to 10009 usec. (the default is 10000) */
- tick_usec = (LATCH * 1000000) / CLOCK_TICK_RATE;
-
- /* Enable Period Interval Timer interrupt */
- at91_sys_write(AT91_ST_IER, AT91_ST_PITS);
-}
-
-struct sys_timer at91rm9200_timer = {
- .init = at91rm9200_timer_init,
- .offset = at91rm9200_gettimeoffset,
-};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 02:19:43 +0000