diff options
24 files changed, 875 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 6e9e8cedd7239..0dd24ebdf6ac2 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -108,6 +108,13 @@ config ARCH_EBSA110 Ethernet interface, two PCMCIA sockets, two serial ports and a parallel port. +config ARCH_EP93XX + bool "EP93xx-based" + select ARM_AMBA + select ARM_VIC + help + This enables support for the Cirrus EP93xx series of CPUs. + config ARCH_FOOTBRIDGE bool "FootBridge" select FOOTBRIDGE @@ -250,6 +257,8 @@ endchoice source "arch/arm/mach-clps711x/Kconfig" +source "arch/arm/mach-ep93xx/Kconfig" + source "arch/arm/mach-footbridge/Kconfig" source "arch/arm/mach-integrator/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index fbfc14a56b965..b5b1e4087516c 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -105,6 +105,7 @@ endif machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 machine-$(CONFIG_ARCH_REALVIEW) := realview machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200 + machine-$(CONFIG_ARCH_EP93XX) := ep93xx ifeq ($(CONFIG_ARCH_EBSA110),y) # This is what happens if you forget the IOCS16 line. diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig new file mode 100644 index 0000000000000..cec5a21ca4e34 --- /dev/null +++ b/arch/arm/mach-ep93xx/Kconfig @@ -0,0 +1,21 @@ +if ARCH_EP93XX + +menu "Cirrus EP93xx Implementation Options" + +comment "EP93xx Platforms" + +config MACH_GESBC9312 + bool "Support Glomation GESBC-9312-sx" + help + Say 'Y' here if you want your kernel to support the Glomation + GESBC-9312-sx board. + +config MACH_TS72XX + bool "Support Technologic Systems TS-72xx SBC" + help + Say 'Y' here if you want your kernel to support the + Technologic Systems TS-72xx board. + +endmenu + +endif diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile new file mode 100644 index 0000000000000..5393af989e940 --- /dev/null +++ b/arch/arm/mach-ep93xx/Makefile @@ -0,0 +1,10 @@ +# +# Makefile for the linux kernel. +# +obj-y := core.o +obj-m := +obj-n := +obj- := + +obj-$(CONFIG_MACH_GESBC9312) += gesbc9312.o +obj-$(CONFIG_MACH_TS72XX) += ts72xx.o diff --git a/arch/arm/mach-ep93xx/Makefile.boot b/arch/arm/mach-ep93xx/Makefile.boot new file mode 100644 index 0000000000000..d5561ad15badc --- /dev/null +++ b/arch/arm/mach-ep93xx/Makefile.boot @@ -0,0 +1,2 @@ + zreladdr-y := 0x00008000 +params_phys-y := 0x00000100 diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c new file mode 100644 index 0000000000000..f831f74dc8cc4 --- /dev/null +++ b/arch/arm/mach-ep93xx/core.c @@ -0,0 +1,173 @@ +/* + * arch/arm/mach-ep93xx/core.c + * Core routines for Cirrus EP93xx chips. + * + * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org> + * + * Thanks go to Michael Burian and Ray Lehtiniemi for their key + * role in the ep93xx linux community. + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/spinlock.h> +#include <linux/sched.h> +#include <linux/interrupt.h> +#include <linux/serial.h> +#include <linux/tty.h> +#include <linux/bitops.h> +#include <linux/serial.h> +#include <linux/serial_8250.h> +#include <linux/serial_core.h> +#include <linux/device.h> +#include <linux/mm.h> +#include <linux/time.h> +#include <linux/timex.h> +#include <linux/delay.h> +#include <linux/amba/bus.h> + +#include <asm/types.h> +#include <asm/setup.h> +#include <asm/memory.h> +#include <asm/hardware.h> +#include <asm/irq.h> +#include <asm/system.h> +#include <asm/tlbflush.h> +#include <asm/pgtable.h> +#include <asm/io.h> + +#include <asm/mach/map.h> +#include <asm/mach/time.h> +#include <asm/mach/irq.h> + +#include <asm/hardware/vic.h> + + +/************************************************************************* + * Static I/O mappings that are needed for all EP93xx platforms + *************************************************************************/ +static struct map_desc ep93xx_io_desc[] __initdata = { + { + .virtual = EP93XX_AHB_VIRT_BASE, + .pfn = __phys_to_pfn(EP93XX_AHB_PHYS_BASE), + .length = EP93XX_AHB_SIZE, + .type = MT_DEVICE, + }, { + .virtual = EP93XX_APB_VIRT_BASE, + .pfn = __phys_to_pfn(EP93XX_APB_PHYS_BASE), + .length = EP93XX_APB_SIZE, + .type = MT_DEVICE, + }, +}; + +void __init ep93xx_map_io(void) +{ + iotable_init(ep93xx_io_desc, ARRAY_SIZE(ep93xx_io_desc)); +} + + +/************************************************************************* + * Timer handling for EP93xx + ************************************************************************* + * The ep93xx has four internal timers. Timers 1, 2 (both 16 bit) and + * 3 (32 bit) count down at 508 kHz, are self-reloading, and can generate + * an interrupt on underflow. Timer 4 (40 bit) counts down at 983.04 kHz, + * is free-running, and can't generate interrupts. + * + * The 508 kHz timers are ideal for use for the timer interrupt, as the + * most common values of HZ divide 508 kHz nicely. We pick one of the 16 + * bit timers (timer 1) since we don't need more than 16 bits of reload + * value as long as HZ >= 8. + * + * The higher clock rate of timer 4 makes it a better choice than the + * other timers for use in gettimeoffset(), while the fact that it can't + * generate interrupts means we don't have to worry about not being able + * to use this timer for something else. We also use timer 4 for keeping + * track of lost jiffies. + */ +static unsigned int last_jiffy_time; + +#define TIMER4_TICKS_PER_JIFFY ((CLOCK_TICK_RATE + (HZ/2)) / HZ) + +static int ep93xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + write_seqlock(&xtime_lock); + + __raw_writel(1, EP93XX_TIMER1_CLEAR); + while (__raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time + >= TIMER4_TICKS_PER_JIFFY) { + last_jiffy_time += TIMER4_TICKS_PER_JIFFY; + timer_tick(regs); + } + + write_sequnlock(&xtime_lock); + + return IRQ_HANDLED; +} + +static struct irqaction ep93xx_timer_irq = { + .name = "ep93xx timer", + .flags = SA_INTERRUPT | SA_TIMER, + .handler = ep93xx_timer_interrupt, +}; + +static void __init ep93xx_timer_init(void) +{ + /* Enable periodic HZ timer. */ + __raw_writel(0x48, EP93XX_TIMER1_CONTROL); + __raw_writel((508000 / HZ) - 1, EP93XX_TIMER1_LOAD); + __raw_writel(0xc8, EP93XX_TIMER1_CONTROL); + + /* Enable lost jiffy timer. */ + __raw_writel(0x100, EP93XX_TIMER4_VALUE_HIGH); + + setup_irq(IRQ_EP93XX_TIMER1, &ep93xx_timer_irq); +} + +static unsigned long ep93xx_gettimeoffset(void) +{ + int offset; + + offset = __raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time; + + /* Calculate (1000000 / 983040) * offset. */ + return offset + (53 * offset / 3072); +} + +struct sys_timer ep93xx_timer = { + .init = ep93xx_timer_init, + .offset = ep93xx_gettimeoffset, +}; + + +/************************************************************************* + * EP93xx IRQ handling + *************************************************************************/ +void __init ep93xx_init_irq(void) +{ + vic_init((void *)EP93XX_VIC1_BASE, 0, EP93XX_VIC1_VALID_IRQ_MASK); + vic_init((void *)EP93XX_VIC2_BASE, 32, EP93XX_VIC2_VALID_IRQ_MASK); +} + + +/************************************************************************* + * EP93xx peripheral handling + *************************************************************************/ +void __init ep93xx_init_devices(void) +{ + unsigned int v; + + /* + * Disallow access to MaverickCrunch initially. + */ + v = __raw_readl(EP93XX_SYSCON_DEVICE_CONFIG); + v &= ~EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE; + __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK); + __raw_writel(v, EP93XX_SYSCON_DEVICE_CONFIG); +} diff --git a/arch/arm/mach-ep93xx/gesbc9312.c b/arch/arm/mach-ep93xx/gesbc9312.c new file mode 100644 index 0000000000000..d18fcb1a2f1b8 --- /dev/null +++ b/arch/arm/mach-ep93xx/gesbc9312.c @@ -0,0 +1,40 @@ +/* + * arch/arm/mach-ep93xx/gesbc9312.c + * Glomation GESBC-9312-sx support. + * + * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.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. + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/sched.h> +#include <linux/interrupt.h> +#include <linux/mtd/physmap.h> +#include <asm/io.h> +#include <asm/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +static void __init gesbc9312_init_machine(void) +{ + ep93xx_init_devices(); + physmap_configure(0x60000000, 0x00800000, 4, NULL); +} + +MACHINE_START(GESBC9312, "Glomation GESBC-9312-sx") + /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ + .phys_io = EP93XX_APB_PHYS_BASE, + .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .map_io = ep93xx_map_io, + .init_irq = ep93xx_init_irq, + .timer = &ep93xx_timer, + .init_machine = gesbc9312_init_machine, +MACHINE_END diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c new file mode 100644 index 0000000000000..777e75daa8a54 --- /dev/null +++ b/arch/arm/mach-ep93xx/ts72xx.c @@ -0,0 +1,118 @@ +/* + * arch/arm/mach-ep93xx/ts72xx.c + * Technologic Systems TS72xx SBC support. + * + * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.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. + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/sched.h> +#include <linux/interrupt.h> +#include <linux/mtd/physmap.h> +#include <asm/io.h> +#include <asm/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +static struct map_desc ts72xx_io_desc[] __initdata = { + { + .virtual = TS72XX_MODEL_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_MODEL_PHYS_BASE), + .length = TS72XX_MODEL_SIZE, + .type = MT_DEVICE, + }, { + .virtual = TS72XX_OPTIONS_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_OPTIONS_PHYS_BASE), + .length = TS72XX_OPTIONS_SIZE, + .type = MT_DEVICE, + }, { + .virtual = TS72XX_OPTIONS2_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE), + .length = TS72XX_OPTIONS2_SIZE, + .type = MT_DEVICE, + } +}; + +static struct map_desc ts72xx_nand_io_desc[] __initdata = { + { + .virtual = TS72XX_NAND_DATA_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_NAND1_DATA_PHYS_BASE), + .length = TS72XX_NAND_DATA_SIZE, + .type = MT_DEVICE, + }, { + .virtual = TS72XX_NAND_CONTROL_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_NAND1_CONTROL_PHYS_BASE), + .length = TS72XX_NAND_CONTROL_SIZE, + .type = MT_DEVICE, + }, { + .virtual = TS72XX_NAND_BUSY_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_NAND1_BUSY_PHYS_BASE), + .length = TS72XX_NAND_BUSY_SIZE, + .type = MT_DEVICE, + } +}; + +static struct map_desc ts72xx_alternate_nand_io_desc[] __initdata = { + { + .virtual = TS72XX_NAND_DATA_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_NAND2_DATA_PHYS_BASE), + .length = TS72XX_NAND_DATA_SIZE, + .type = MT_DEVICE, + }, { + .virtual = TS72XX_NAND_CONTROL_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_NAND2_CONTROL_PHYS_BASE), + .length = TS72XX_NAND_CONTROL_SIZE, + .type = MT_DEVICE, + }, { + .virtual = TS72XX_NAND_BUSY_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_NAND2_BUSY_PHYS_BASE), + .length = TS72XX_NAND_BUSY_SIZE, + .type = MT_DEVICE, + } +}; + +static void __init ts72xx_map_io(void) +{ + ep93xx_map_io(); + iotable_init(ts72xx_io_desc, ARRAY_SIZE(ts72xx_io_desc)); + + /* + * The TS-7200 has NOR flash, the other models have NAND flash. + */ + if (!board_is_ts7200()) { + if (is_ts9420_installed()) { + iotable_init(ts72xx_alternate_nand_io_desc, + ARRAY_SIZE(ts72xx_alternate_nand_io_desc)); + } else { + iotable_init(ts72xx_nand_io_desc, + ARRAY_SIZE(ts72xx_nand_io_desc)); + } + } +} + +static void __init ts72xx_init_machine(void) +{ + ep93xx_init_devices(); + if (board_is_ts7200()) + physmap_configure(TS72XX_NOR_PHYS_BASE, 0x01000000, 1, NULL); +} + +MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC") + /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ + .phys_io = EP93XX_APB_PHYS_BASE, + .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .map_io = ts72xx_map_io, + .init_irq = ep93xx_init_irq, + .timer = &ep93xx_timer, + .init_machine = ts72xx_init_machine, +MACHINE_END diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 3b79d0e234559..eaaec90db9728 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -62,7 +62,7 @@ config CPU_ARM720T # ARM920T config CPU_ARM920T bool "Support ARM920T processor" if !ARCH_S3C2410 - depends on ARCH_INTEGRATOR || ARCH_S3C2410 || ARCH_IMX || ARCH_AAEC2000 || ARCH_AT91RM9200 + depends on ARCH_EP93XX || ARCH_INTEGRATOR || ARCH_S3C2410 || ARCH_IMX || ARCH_AAEC2000 || ARCH_AT91RM9200 default y if ARCH_S3C2410 || ARCH_AT91RM9200 select CPU_32v4 select CPU_ABRT_EV4T diff --git a/include/asm-arm/arch-ep93xx/debug-macro.S b/include/asm-arm/arch-ep93xx/debug-macro.S new file mode 100644 index 0000000000000..397565a0c6714 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/debug-macro.S @@ -0,0 +1,22 @@ +/* + * linux/include/asm-arm/arch-ep93xx/debug-macro.S + * Debugging macro include header + * + * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.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. + */ +#include <asm/arch/ep93xx-regs.h> + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + ldreq \rx, =EP93XX_APB_PHYS_BASE @ Physical base + ldrne \rx, =EP93XX_APB_VIRT_BASE @ virtual base + orr \rx, \rx, #0x000c0000 + .endm + +#include <asm/hardware/debug-pl01x.S> diff --git a/include/asm-arm/arch-ep93xx/dma.h b/include/asm-arm/arch-ep93xx/dma.h new file mode 100644 index 0000000000000..898b3ab7fd46c --- /dev/null +++ b/include/asm-arm/arch-ep93xx/dma.h @@ -0,0 +1,3 @@ +/* + * linux/include/asm-arm/arch-ep93xx/dma.h + */ diff --git a/include/asm-arm/arch-ep93xx/entry-macro.S b/include/asm-arm/arch-ep93xx/entry-macro.S new file mode 100644 index 0000000000000..84140a28dfcf8 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/entry-macro.S @@ -0,0 +1,53 @@ +/* + * linux/include/asm-arm/arch-ep93xx/entry-macro.S + * IRQ demultiplexing for EP93xx + * + * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.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. + */ +#include <asm/arch/ep93xx-regs.h> + + .macro disable_fiq + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \base, =(EP93XX_AHB_VIRT_BASE) + orr \base, \base, #0x000b0000 + mov \irqnr, #0 + ldr \irqstat, [\base] @ lower 32 interrupts + cmp \irqstat, #0 + bne 1001f + + eor \base, \base, #0x00070000 + ldr \irqstat, [\base] @ upper 32 interrupts + cmp \irqstat, #0 + beq 1002f + mov \irqnr, #0x20 + +1001: + movs \tmp, \irqstat, lsl #16 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #16 + + movs \tmp, \irqstat, lsl #8 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #8 + + movs \tmp, \irqstat, lsl #4 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #4 + + movs \tmp, \irqstat, lsl #2 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #2 + + movs \tmp, \irqstat, lsl #1 + addeq \irqnr, \irqnr, #1 + orrs \base, \base, #1 + +1002: + .endm diff --git a/include/asm-arm/arch-ep93xx/ep93xx-regs.h b/include/asm-arm/arch-ep93xx/ep93xx-regs.h new file mode 100644 index 0000000000000..693f23886e855 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/ep93xx-regs.h @@ -0,0 +1,114 @@ +/* + * linux/include/asm-arm/arch-ep93xx/ep93xx-regs.h + */ + +#ifndef __ASM_ARCH_EP93XX_REGS_H +#define __ASM_ARCH_EP93XX_REGS_H + +/* + * EP93xx linux memory map: + * + * virt phys size + * fe800000 5M per-platform mappings + * fed00000 80800000 2M APB + * fef00000 80000000 1M AHB + */ + +#define EP93XX_AHB_PHYS_BASE 0x80000000 +#define EP93XX_AHB_VIRT_BASE 0xfef00000 +#define EP93XX_AHB_SIZE 0x00100000 + +#define EP93XX_APB_PHYS_BASE 0x80800000 +#define EP93XX_APB_VIRT_BASE 0xfed00000 +#define EP93XX_APB_SIZE 0x00200000 + + +/* AHB peripherals */ +#define EP93XX_DMA_BASE (EP93XX_AHB_VIRT_BASE + 0x00000000) + +#define EP93XX_ETHERNET_BASE (EP93XX_AHB_VIRT_BASE + 0x00010000) + +#define EP93XX_USB_BASE (EP93XX_AHB_VIRT_BASE + 0x00020000) +#define EP93XX_USB_PHYS_BASE (EP93XX_AHB_PHYS_BASE + 0x00020000) + +#define EP93XX_RASTER_BASE (EP93XX_AHB_VIRT_BASE + 0x00030000) + +#define EP93XX_GRAPHICS_ACCEL_BASE (EP93XX_AHB_VIRT_BASE + 0x00040000) + +#define EP93XX_SDRAM_CONTROLLER_BASE (EP93XX_AHB_VIRT_BASE + 0x00060000) + +#define EP93XX_PCMCIA_CONTROLLER_BASE (EP93XX_AHB_VIRT_BASE + 0x00080000) + +#define EP93XX_BOOT_ROM_BASE (EP93XX_AHB_VIRT_BASE + 0x00090000) + +#define EP93XX_IDE_BASE (EP93XX_AHB_VIRT_BASE + 0x000a0000) + +#define EP93XX_VIC1_BASE (EP93XX_AHB_VIRT_BASE + 0x000b0000) + +#define EP93XX_VIC2_BASE (EP93XX_AHB_VIRT_BASE + 0x000c0000) + + +/* APB peripherals */ +#define EP93XX_TIMER_BASE (EP93XX_APB_VIRT_BASE + 0x00010000) +#define EP93XX_TIMER_REG(x) (EP93XX_TIMER_BASE + (x)) +#define EP93XX_TIMER1_LOAD EP93XX_TIMER_REG(0x00) +#define EP93XX_TIMER1_VALUE EP93XX_TIMER_REG(0x04) +#define EP93XX_TIMER1_CONTROL EP93XX_TIMER_REG(0x08) +#define EP93XX_TIMER1_CLEAR EP93XX_TIMER_REG(0x0c) +#define EP93XX_TIMER2_LOAD EP93XX_TIMER_REG(0x20) +#define EP93XX_TIMER2_VALUE EP93XX_TIMER_REG(0x24) +#define EP93XX_TIMER2_CONTROL EP93XX_TIMER_REG(0x28) +#define EP93XX_TIMER2_CLEAR EP93XX_TIMER_REG(0x2c) +#define EP93XX_TIMER4_VALUE_LOW EP93XX_TIMER_REG(0x60) +#define EP93XX_TIMER4_VALUE_HIGH EP93XX_TIMER_REG(0x64) +#define EP93XX_TIMER3_LOAD EP93XX_TIMER_REG(0x80) +#define EP93XX_TIMER3_VALUE EP93XX_TIMER_REG(0x84) +#define EP93XX_TIMER3_CONTROL EP93XX_TIMER_REG(0x88) +#define EP93XX_TIMER3_CLEAR EP93XX_TIMER_REG(0x8c) + +#define EP93XX_I2S_BASE (EP93XX_APB_VIRT_BASE + 0x00020000) + +#define EP93XX_SECURITY_BASE (EP93XX_APB_VIRT_BASE + 0x00030000) + +#define EP93XX_GPIO_BASE (EP93XX_APB_VIRT_BASE + 0x00040000) + +#define EP93XX_AAC_BASE (EP93XX_APB_VIRT_BASE + 0x00080000) + +#define EP93XX_SPI_BASE (EP93XX_APB_VIRT_BASE + 0x000a0000) + +#define EP93XX_IRDA_BASE (EP93XX_APB_VIRT_BASE + 0x000b0000) + +#define EP93XX_UART1_BASE (EP93XX_APB_VIRT_BASE + 0x000c0000) +#define EP93XX_UART1_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000c0000) + +#define EP93XX_UART2_BASE (EP93XX_APB_VIRT_BASE + 0x000d0000) +#define EP93XX_UART2_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000d0000) + +#define EP93XX_UART3_BASE (EP93XX_APB_VIRT_BASE + 0x000e0000) +#define EP93XX_UART3_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000e0000) + +#define EP93XX_KEY_MATRIX_BASE (EP93XX_APB_VIRT_BASE + 0x000f0000) + +#define EP93XX_ADC_BASE (EP93XX_APB_VIRT_BASE + 0x00100000) +#define EP93XX_TOUCHSCREEN_BASE (EP93XX_APB_VIRT_BASE + 0x00100000) + +#define EP93XX_PWM_BASE (EP93XX_APB_VIRT_BASE + 0x00110000) + +#define EP93XX_RTC_BASE (EP93XX_APB_VIRT_BASE + 0x00120000) + +#define EP93XX_SYSCON_BASE (EP93XX_APB_VIRT_BASE + 0x00130000) +#define EP93XX_SYSCON_REG(x) (EP93XX_SYSCON_BASE + (x)) +#define EP93XX_SYSCON_POWER_STATE EP93XX_SYSCON_REG(0x00) +#define EP93XX_SYSCON_CLOCK_CONTROL EP93XX_SYSCON_REG(0x04) +#define EP93XX_SYSCON_CLOCK_UARTBAUD 0x20000000 +#define EP93XX_SYSCON_CLOCK_USH_EN 0x10000000 +#define EP93XX_SYSCON_HALT EP93XX_SYSCON_REG(0x08) +#define EP93XX_SYSCON_STANDBY EP93XX_SYSCON_REG(0x0c) +#define EP93XX_SYSCON_DEVICE_CONFIG EP93XX_SYSCON_REG(0x80) +#define EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE 0x00800000 +#define EP93XX_SYSCON_SWLOCK EP93XX_SYSCON_REG(0xc0) + +#define EP93XX_WATCHDOG_BASE (EP93XX_APB_VIRT_BASE + 0x00140000) + + +#endif diff --git a/include/asm-arm/arch-ep93xx/gesbc9312.h b/include/asm-arm/arch-ep93xx/gesbc9312.h new file mode 100644 index 0000000000000..4d0b3023bff79 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/gesbc9312.h @@ -0,0 +1,3 @@ +/* + * linux/include/asm-arm/arch-ep93xx/gesbc9312.h + */ diff --git a/include/asm-arm/arch-ep93xx/hardware.h b/include/asm-arm/arch-ep93xx/hardware.h new file mode 100644 index 0000000000000..9b69f454065d4 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/hardware.h @@ -0,0 +1,12 @@ +/* + * linux/include/asm-arm/arch-ep93xx/hardware.h + */ + +#include "ep93xx-regs.h" + +#define pcibios_assign_all_busses() 0 + +#include "platform.h" + +#include "gesbc9312.h" +#include "ts72xx.h" diff --git a/include/asm-arm/arch-ep93xx/io.h b/include/asm-arm/arch-ep93xx/io.h new file mode 100644 index 0000000000000..7b4d25e290606 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/io.h @@ -0,0 +1,8 @@ +/* + * linux/include/asm-arm/arch-ep93xx/io.h + */ + +#define IO_SPACE_LIMIT 0xffffffff + +#define __io(p) ((void __iomem *)(p)) +#define __mem_pci(p) (p) diff --git a/include/asm-arm/arch-ep93xx/irqs.h b/include/asm-arm/arch-ep93xx/irqs.h new file mode 100644 index 0000000000000..8c10fb964fafa --- /dev/null +++ b/include/asm-arm/arch-ep93xx/irqs.h @@ -0,0 +1,78 @@ +/* + * linux/include/asm-arm/arch-ep93xx/irqs.h + */ + +#ifndef __ASM_ARCH_IRQS_H +#define __ASM_ARCH_IRQS_H + +#define IRQ_EP93XX_COMMRX 2 +#define IRQ_EP93XX_COMMTX 3 +#define IRQ_EP93XX_TIMER1 4 +#define IRQ_EP93XX_TIMER2 5 +#define IRQ_EP93XX_AACINTR 6 +#define IRQ_EP93XX_DMAM2P0 7 +#define IRQ_EP93XX_DMAM2P1 8 +#define IRQ_EP93XX_DMAM2P2 9 +#define IRQ_EP93XX_DMAM2P3 10 +#define IRQ_EP93XX_DMAM2P4 11 +#define IRQ_EP93XX_DMAM2P5 12 +#define IRQ_EP93XX_DMAM2P6 13 +#define IRQ_EP93XX_DMAM2P7 14 +#define IRQ_EP93XX_DMAM2P8 15 +#define IRQ_EP93XX_DMAM2P9 16 +#define IRQ_EP93XX_DMAM2M0 17 +#define IRQ_EP93XX_DMAM2M1 18 +#define IRQ_EP93XX_GPIO0MUX 20 +#define IRQ_EP93XX_GPIO1MUX 21 +#define IRQ_EP93XX_GPIO2MUX 22 +#define IRQ_EP93XX_GPIO3MUX 22 +#define IRQ_EP93XX_UART1RX 23 +#define IRQ_EP93XX_UART1TX 24 +#define IRQ_EP93XX_UART2RX 25 +#define IRQ_EP93XX_UART2TX 26 +#define IRQ_EP93XX_UART3RX 27 +#define IRQ_EP93XX_UART3TX 28 +#define IRQ_EP93XX_KEY 29 +#define IRQ_EP93XX_TOUCH 30 +#define EP93XX_VIC1_VALID_IRQ_MASK 0x7ffffffc + +#define IRQ_EP93XX_EXT0 32 +#define IRQ_EP93XX_EXT1 33 +#define IRQ_EP93XX_EXT2 34 +#define IRQ_EP93XX_64HZ 35 +#define IRQ_EP93XX_WATCHDOG 36 +#define IRQ_EP93XX_RTC 37 +#define IRQ_EP93XX_IRDA 38 +#define IRQ_EP93XX_ETHERNET 39 +#define IRQ_EP93XX_EXT3 40 +#define IRQ_EP93XX_PROG 41 +#define IRQ_EP93XX_1HZ 42 +#define IRQ_EP93XX_VSYNC 43 +#define IRQ_EP93XX_VIDEO_FIFO 44 +#define IRQ_EP93XX_SSP1RX 45 +#define IRQ_EP93XX_SSP1TX 46 +#define IRQ_EP93XX_GPIO4MUX 47 +#define IRQ_EP93XX_GPIO5MUX 48 +#define IRQ_EP93XX_GPIO6MUX 49 +#define IRQ_EP93XX_GPIO7MUX 50 +#define IRQ_EP93XX_TIMER3 51 +#define IRQ_EP93XX_UART1 52 +#define IRQ_EP93XX_SSP 53 +#define IRQ_EP93XX_UART2 54 +#define IRQ_EP93XX_UART3 55 +#define IRQ_EP93XX_USB 56 +#define IRQ_EP93XX_ETHERNET_PME 57 +#define IRQ_EP93XX_DSP 58 +#define IRQ_EP93XX_GPIO_AB 59 +#define IRQ_EP93XX_SAI 60 +#define EP93XX_VIC2_VALID_IRQ_MASK 0x1fffffff + +#define NR_EP93XX_IRQS 64 + +#define EP93XX_BOARD_IRQ(x) (NR_EP93XX_IRQS + (x)) +#define EP93XX_BOARD_IRQS 32 + +#define NR_IRQS (NR_EP93XX_IRQS + EP93XX_BOARD_IRQS) + + +#endif diff --git a/include/asm-arm/arch-ep93xx/memory.h b/include/asm-arm/arch-ep93xx/memory.h new file mode 100644 index 0000000000000..4b1a5c7c83639 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/memory.h @@ -0,0 +1,14 @@ +/* + * linux/include/asm-arm/arch-ep93xx/memory.h + */ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#define PHYS_OFFSET UL(0x00000000) + +#define __bus_to_virt(x) __phys_to_virt(x) +#define __virt_to_bus(x) __virt_to_phys(x) + + +#endif diff --git a/include/asm-arm/arch-ep93xx/platform.h b/include/asm-arm/arch-ep93xx/platform.h new file mode 100644 index 0000000000000..df9cbb6ef6609 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/platform.h @@ -0,0 +1,14 @@ +/* + * linux/include/asm-arm/arch-ep93xx/platform.h + */ + +#ifndef __ASSEMBLY__ + +void ep93xx_map_io(void); +void ep93xx_init_irq(void); +void ep93xx_init_time(unsigned long); +void ep93xx_init_devices(void); +extern struct sys_timer ep93xx_timer; + + +#endif diff --git a/include/asm-arm/arch-ep93xx/system.h b/include/asm-arm/arch-ep93xx/system.h new file mode 100644 index 0000000000000..79b718586746b --- /dev/null +++ b/include/asm-arm/arch-ep93xx/system.h @@ -0,0 +1,26 @@ +/* + * linux/include/asm-arm/arch-ep93xx/system.h + */ + +#include <asm/hardware.h> + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void arch_reset(char mode) +{ + u32 devicecfg; + + local_irq_disable(); + + devicecfg = __raw_readl(EP93XX_SYSCON_DEVICE_CONFIG); + __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK); + __raw_writel(devicecfg | 0x80000000, EP93XX_SYSCON_DEVICE_CONFIG); + __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK); + __raw_writel(devicecfg & ~0x80000000, EP93XX_SYSCON_DEVICE_CONFIG); + + while (1) + ; +} diff --git a/include/asm-arm/arch-ep93xx/timex.h b/include/asm-arm/arch-ep93xx/timex.h new file mode 100644 index 0000000000000..4140bddc97e20 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/timex.h @@ -0,0 +1,5 @@ +/* + * linux/include/asm-arm/arch-ep93xx/timex.h + */ + +#define CLOCK_TICK_RATE 983040 diff --git a/include/asm-arm/arch-ep93xx/ts72xx.h b/include/asm-arm/arch-ep93xx/ts72xx.h new file mode 100644 index 0000000000000..412215e77f444 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/ts72xx.h @@ -0,0 +1,90 @@ +/* + * linux/include/asm-arm/arch-ep93xx/ts72xx.h + */ + +/* + * TS72xx memory map: + * + * virt phys size + * febff000 22000000 4K model number register + * febfe000 22400000 4K options register + * febfd000 22800000 4K options register #2 + * febfc000 [67]0000000 4K NAND data register + * febfb000 [67]0400000 4K NAND control register + * febfa000 [67]0800000 4K NAND busy register + */ + +#define TS72XX_MODEL_PHYS_BASE 0x22000000 +#define TS72XX_MODEL_VIRT_BASE 0xfebff000 +#define TS72XX_MODEL_SIZE 0x00001000 + +#define TS72XX_MODEL_TS7200 0x00 +#define TS72XX_MODEL_TS7250 0x01 +#define TS72XX_MODEL_TS7260 0x02 + + +#define TS72XX_OPTIONS_PHYS_BASE 0x22400000 +#define TS72XX_OPTIONS_VIRT_BASE 0xfebfe000 +#define TS72XX_OPTIONS_SIZE 0x00001000 + +#define TS72XX_OPTIONS_COM2_RS485 0x02 +#define TS72XX_OPTIONS_MAX197 0x01 + + +#define TS72XX_OPTIONS2_PHYS_BASE 0x22800000 +#define TS72XX_OPTIONS2_VIRT_BASE 0xfebfd000 +#define TS72XX_OPTIONS2_SIZE 0x00001000 + +#define TS72XX_OPTIONS2_TS9420 0x04 +#define TS72XX_OPTIONS2_TS9420_BOOT 0x02 + + +#define TS72XX_NOR_PHYS_BASE 0x60000000 +#define TS72XX_NOR2_PHYS_BASE 0x62000000 + +#define TS72XX_NAND1_DATA_PHYS_BASE 0x60000000 +#define TS72XX_NAND2_DATA_PHYS_BASE 0x70000000 +#define TS72XX_NAND_DATA_VIRT_BASE 0xfebfc000 +#define TS72XX_NAND_DATA_SIZE 0x00001000 + +#define TS72XX_NAND1_CONTROL_PHYS_BASE 0x60400000 +#define TS72XX_NAND2_CONTROL_PHYS_BASE 0x70400000 +#define TS72XX_NAND_CONTROL_VIRT_BASE 0xfebfb000 +#define TS72XX_NAND_CONTROL_SIZE 0x00001000 + +#define TS72XX_NAND1_BUSY_PHYS_BASE 0x60800000 +#define TS72XX_NAND2_BUSY_PHYS_BASE 0x70800000 +#define TS72XX_NAND_BUSY_VIRT_BASE 0xfebfa000 +#define TS72XX_NAND_BUSY_SIZE 0x00001000 + + +#ifndef __ASSEMBLY__ +#include <asm/io.h> + +static inline int board_is_ts7200(void) +{ + return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7200; +} + +static inline int board_is_ts7250(void) +{ + return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7250; +} + +static inline int board_is_ts7260(void) +{ + return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7260; +} + +static inline int is_max197_installed(void) +{ + return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) & + TS72XX_OPTIONS_MAX197); +} + +static inline int is_ts9420_installed(void) +{ + return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) & + TS72XX_OPTIONS2_TS9420); +} +#endif diff --git a/include/asm-arm/arch-ep93xx/uncompress.h b/include/asm-arm/arch-ep93xx/uncompress.h new file mode 100644 index 0000000000000..4410d217077e0 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/uncompress.h @@ -0,0 +1,53 @@ +/* + * linux/include/asm-arm/arch-ep93xx/uncompress.h + * + * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.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. + */ + +#include <asm/arch/ep93xx-regs.h> + +static unsigned char __raw_readb(unsigned int ptr) +{ + return *((volatile unsigned char *)ptr); +} + +static void __raw_writeb(unsigned char value, unsigned int ptr) +{ + *((volatile unsigned char *)ptr) = value; +} + + +#define PHYS_UART1_DATA 0x808c0000 +#define PHYS_UART1_FLAG 0x808c0018 +#define UART1_FLAG_TXFF 0x20 + +static __inline__ void putc(char c) +{ + int i; + + for (i = 0; i < 1000; i++) { + /* Transmit fifo not full? */ + if (!(__raw_readb(PHYS_UART1_FLAG) & UART1_FLAG_TXFF)) + break; + } + + __raw_writeb(c, PHYS_UART1_DATA); +} + +static void putstr(const char *s) +{ + while (*s) { + putc(*s); + if (*s == '\n') + putc('\r'); + s++; + } +} + +#define arch_decomp_setup() +#define arch_decomp_wdog() diff --git a/include/asm-arm/arch-ep93xx/vmalloc.h b/include/asm-arm/arch-ep93xx/vmalloc.h new file mode 100644 index 0000000000000..205ea6b1cf5e8 --- /dev/null +++ b/include/asm-arm/arch-ep93xx/vmalloc.h @@ -0,0 +1,5 @@ +/* + * linux/include/asm-arm/arch-ep93xx/vmalloc.h + */ + +#define VMALLOC_END 0xfe800000 |