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[ARM] 5338/1: Add Nuvoton W90P910 Platform support

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Add Nuvoton W90X900 ARM9 plat support to linux arm tree,
Now, this patch include only W90P910 EVB of W90P910 CPU,
Its driver is nothing.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
wanzongshun 2008-12-03 03:55:38 +01:00 committed by Russell King
parent c5b84b3bb0
commit 7ec80ddf04
23 changed files with 986 additions and 0 deletions
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9
arch/arm/Kconfig
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@ -572,6 +572,13 @@ config ARCH_MSM
interface to the ARM9 modem processor which runs the baseband stack
and controls some vital subsystems (clock and power control, etc).
config ARCH_W90X900
bool "Nuvoton W90X900 CPU"
select CPU_ARM926T
help
Support for Nuvoton (Winbond logic dept.) ARM9 processor,You
can login www.mcuos.com or www.nuvoton.com to know more.
endchoice
source "arch/arm/mach-clps711x/Kconfig"
@ -650,6 +657,8 @@ source "arch/arm/mach-ks8695/Kconfig"
source "arch/arm/mach-msm/Kconfig"
source "arch/arm/mach-w90x900/Kconfig"
# Definitions to make life easier
config ARCH_ACORN
bool

1
arch/arm/Makefile
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@ -143,6 +143,7 @@ endif
machine-$(CONFIG_ARCH_MSM) := msm
machine-$(CONFIG_ARCH_LOKI) := loki
machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
machine-$(CONFIG_ARCH_W90X900) := w90x900
ifeq ($(CONFIG_ARCH_EBSA110),y)
# This is what happens if you forget the IOCS16 line.

19
arch/arm/mach-w90x900/Kconfig Normal file
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@ -0,0 +1,19 @@
if ARCH_W90X900
config CPU_W90P910
bool
help
Support for W90P910 of Nuvoton W90X900 CPUs.
menu "W90P910 Machines"
config MACH_W90P910EVB
bool "Nuvoton W90P910 Evaluation Board"
default y
select CPU_W90P910
help
Say Y here if you are using the Nuvoton W90P910EVB
endmenu
endif

15
arch/arm/mach-w90x900/Makefile Normal file
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@ -0,0 +1,15 @@
#
# Makefile for the linux kernel.
#
# Object file lists.
obj-y := irq.o time.o
# W90X900 CPU support files
obj-$(CONFIG_CPU_W90P910) += w90p910.o
# machine support
obj-$(CONFIG_MACH_W90P910EVB) += mach-w90p910evb.o

3
arch/arm/mach-w90x900/Makefile.boot Normal file
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@ -0,0 +1,3 @@
zreladdr-y := 0x00008000
params_phys-y := 0x00000100

77
arch/arm/mach-w90x900/cpu.h Normal file
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@ -0,0 +1,77 @@
/*
* arch/arm/mach-w90x900/cpu.h
*
* Based on linux/include/asm-arm/plat-s3c24xx/cpu.h by Ben Dooks
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Header file for W90X900 CPU support
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#define IODESC_ENT(y) \
{ \
.virtual = (unsigned long)W90X900_VA_##y, \
.pfn = __phys_to_pfn(W90X900_PA_##y), \
.length = W90X900_SZ_##y, \
.type = MT_DEVICE, \
}
/*Cpu identifier register*/
#define W90X900PDID W90X900_VA_GCR
#define W90P910_CPUID 0x02900910
#define W90P920_CPUID 0x02900920
#define W90P950_CPUID 0x02900950
#define W90N960_CPUID 0x02900960
struct w90x900_uartcfg;
struct map_desc;
struct sys_timer;
/* core initialisation functions */
extern void w90x900_init_irq(void);
extern void w90p910_init_io(struct map_desc *mach_desc, int size);
extern void w90p910_init_uarts(struct w90x900_uartcfg *cfg, int no);
extern void w90p910_init_clocks(int xtal);
extern void w90p910_map_io(struct map_desc *mach_desc, int size);
extern struct sys_timer w90x900_timer;
#define W90X900_RES(name) \
struct resource w90x900_##name##_resource[] = { \
[0] = { \
.start = name##_PA, \
.end = name##_PA + 0x0ff, \
.flags = IORESOURCE_MEM, \
}, \
[1] = { \
.start = IRQ_##name, \
.end = IRQ_##name, \
.flags = IORESOURCE_IRQ, \
} \
}
#define W90X900_DEVICE(devname, regname, devid, platdevname) \
struct platform_device w90x900_##devname = { \
.name = platdevname, \
.id = devid, \
.num_resources = ARRAY_SIZE(w90x900_##regname##_resource), \
.resource = w90x900_##regname##_resource, \
}
#define W90X900_UARTCFG(port, flag, uc, ulc, ufc) \
{ \
.hwport = port, \
.flags = flag, \
.ucon = uc, \
.ulcon = ulc, \
.ufcon = ufc, \
}

34
arch/arm/mach-w90x900/include/mach/entry-macro.S Normal file
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@ -0,0 +1,34 @@
/*
* arch/arm/mach-w90x900/include/mach/entry-macro.S
*
* Low-level IRQ helper macros for W90P910-based platforms
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*
*/
#include <mach/hardware.h>
#include <mach/regs-irq.h>
.macro get_irqnr_preamble, base, tmp
.endm
.macro arch_ret_to_user, tmp1, tmp2
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
mov \base, #AIC_BA
ldr \irqnr, [ \base, #AIC_IPER]
ldr \irqnr, [ \base, #AIC_ISNR]
cmp \irqnr, #0
.endm
/* currently don't need an disable_fiq macro */
.macro disable_fiq
.endm

24
arch/arm/mach-w90x900/include/mach/hardware.h Normal file
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@ -0,0 +1,24 @@
/*
* arch/arm/mach-w90x900/include/mach/hardware.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/hardware.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
#include <asm/sizes.h>
#include <mach/map.h>
#endif /* __ASM_ARCH_HARDWARE_H */

30
arch/arm/mach-w90x900/include/mach/io.h Normal file
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@ -0,0 +1,30 @@
/*
* arch/arm/mach-w90x900/include/mach/io.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/io.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef __ASM_ARM_ARCH_IO_H
#define __ASM_ARM_ARCH_IO_H
#define IO_SPACE_LIMIT 0xffffffff
/*
* 1:1 mapping for ioremapped regions.
*/
#define __mem_pci(a) (a)
#define __io(a) __typesafe_io(a)
#endif

45
arch/arm/mach-w90x900/include/mach/irqs.h Normal file
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@ -0,0 +1,45 @@
/*
* arch/arm/mach-w90x900/include/mach/irqs.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/irqs.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef __ASM_ARCH_IRQS_H
#define __ASM_ARCH_IRQS_H
/*
* we keep the first set of CPU IRQs out of the range of
* the ISA space, so that the PC104 has them to itself
* and we don't end up having to do horrible things to the
* standard ISA drivers....
*
*/
#define W90X900_IRQ(x) (x)
/* Main cpu interrupts */
#define IRQ_WDT W90X900_IRQ(1)
#define IRQ_UART0 W90X900_IRQ(7)
#define IRQ_UART1 W90X900_IRQ(8)
#define IRQ_UART2 W90X900_IRQ(9)
#define IRQ_UART3 W90X900_IRQ(10)
#define IRQ_UART4 W90X900_IRQ(11)
#define IRQ_TIMER0 W90X900_IRQ(12)
#define IRQ_TIMER1 W90X900_IRQ(13)
#define IRQ_T_INT_GROUP W90X900_IRQ(14)
#define IRQ_ADC W90X900_IRQ(31)
#define NR_IRQS (IRQ_ADC+1)
#endif /* __ASM_ARCH_IRQ_H */

76
arch/arm/mach-w90x900/include/mach/map.h Normal file
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@ -0,0 +1,76 @@
/*
* arch/arm/mach-w90x900/include/mach/map.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/map.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef __ASM_ARCH_MAP_H
#define __ASM_ARCH_MAP_H
#ifndef __ASSEMBLY__
#define W90X900_ADDR(x) ((void __iomem *)(0xF0000000 + (x)))
#else
#define W90X900_ADDR(x) (0xF0000000 + (x))
#endif
#define AHB_IO_BASE 0xB0000000
#define APB_IO_BASE 0xB8000000
#define CLOCKPW_BASE (APB_IO_BASE+0x200)
#define AIC_IO_BASE (APB_IO_BASE+0x2000)
#define TIMER_IO_BASE (APB_IO_BASE+0x1000)
/*
* interrupt controller is the first thing we put in, to make
* the assembly code for the irq detection easier
*/
#define W90X900_VA_IRQ W90X900_ADDR(0x00000000)
#define W90X900_PA_IRQ (0xB8002000)
#define W90X900_SZ_IRQ SZ_4K
#define W90X900_VA_GCR W90X900_ADDR(0x08002000)
#define W90X900_PA_GCR (0xB0000000)
#define W90X900_SZ_GCR SZ_4K
/* Clock and Power management */
#define W90X900_VA_CLKPWR (W90X900_VA_GCR+0x200)
#define W90X900_PA_CLKPWR (0xB0000200)
#define W90X900_SZ_CLKPWR SZ_4K
/* EBI management */
#define W90X900_VA_EBI W90X900_ADDR(0x00001000)
#define W90X900_PA_EBI (0xB0001000)
#define W90X900_SZ_EBI SZ_4K
/* UARTs */
#define W90X900_VA_UART W90X900_ADDR(0x08000000)
#define W90X900_PA_UART (0xB8000000)
#define W90X900_SZ_UART SZ_4K
/* Timers */
#define W90X900_VA_TIMER W90X900_ADDR(0x08001000)
#define W90X900_PA_TIMER (0xB8001000)
#define W90X900_SZ_TIMER SZ_4K
/* GPIO ports */
#define W90X900_VA_GPIO W90X900_ADDR(0x08003000)
#define W90X900_PA_GPIO (0xB8003000)
#define W90X900_SZ_GPIO SZ_4K
#endif /* __ASM_ARCH_MAP_H */

23
arch/arm/mach-w90x900/include/mach/memory.h Normal file
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@ -0,0 +1,23 @@
/*
* arch/arm/mach-w90x900/include/mach/memory.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/memory.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
#define PHYS_OFFSET UL(0x00000000)
#endif

51
arch/arm/mach-w90x900/include/mach/regs-irq.h Normal file
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@ -0,0 +1,51 @@
/*
* arch/arm/mach-w90x900/include/mach/regs-irq.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/regs-irq.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef ___ASM_ARCH_REGS_IRQ_H
#define ___ASM_ARCH_REGS_IRQ_H
/* Advance Interrupt Controller (AIC) Registers */
#define AIC_BA W90X900_VA_IRQ
#define REG_AIC_IRQSC (AIC_BA+0x80)
#define REG_AIC_GEN (AIC_BA+0x84)
#define REG_AIC_GASR (AIC_BA+0x88)
#define REG_AIC_GSCR (AIC_BA+0x8C)
#define REG_AIC_IRSR (AIC_BA+0x100)
#define REG_AIC_IASR (AIC_BA+0x104)
#define REG_AIC_ISR (AIC_BA+0x108)
#define REG_AIC_IPER (AIC_BA+0x10C)
#define REG_AIC_ISNR (AIC_BA+0x110)
#define REG_AIC_IMR (AIC_BA+0x114)
#define REG_AIC_OISR (AIC_BA+0x118)
#define REG_AIC_MECR (AIC_BA+0x120)
#define REG_AIC_MDCR (AIC_BA+0x124)
#define REG_AIC_SSCR (AIC_BA+0x128)
#define REG_AIC_SCCR (AIC_BA+0x12C)
#define REG_AIC_EOSCR (AIC_BA+0x130)
#define AIC_IPER (0x10C)
#define AIC_ISNR (0x110)
/*16-18 bits of REG_AIC_GEN define irq(2-4) group*/
#define TIMER2_IRQ (1 << 16)
#define TIMER3_IRQ (1 << 17)
#define TIMER4_IRQ (1 << 18)
#define TIME_GROUP_IRQ (TIMER2_IRQ|TIMER3_IRQ|TIMER4_IRQ)
#endif /* ___ASM_ARCH_REGS_IRQ_H */

59
arch/arm/mach-w90x900/include/mach/regs-serial.h Normal file
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@ -0,0 +1,59 @@
/*
* arch/arm/mach-w90x900/include/mach/regs-serial.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/regs-serial.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef __ASM_ARM_REGS_SERIAL_H
#define __ASM_ARM_REGS_SERIAL_H
#define UART0_BA W90X900_VA_UART
#define UART1_BA (W90X900_VA_UART+0x100)
#define UART2_BA (W90X900_VA_UART+0x200)
#define UART3_BA (W90X900_VA_UART+0x300)
#define UART4_BA (W90X900_VA_UART+0x400)
#define UART0_PA W90X900_PA_UART
#define UART1_PA (W90X900_PA_UART+0x100)
#define UART2_PA (W90X900_PA_UART+0x200)
#define UART3_PA (W90X900_PA_UART+0x300)
#define UART4_PA (W90X900_PA_UART+0x400)
#ifndef __ASSEMBLY__
struct w90x900_uart_clksrc {
const char *name;
unsigned int divisor;
unsigned int min_baud;
unsigned int max_baud;
};
struct w90x900_uartcfg {
unsigned char hwport;
unsigned char unused;
unsigned short flags;
unsigned long uart_flags;
unsigned long ucon;
unsigned long ulcon;
unsigned long ufcon;
struct w90x900_uart_clksrc *clocks;
unsigned int clocks_size;
};
#endif /* __ASSEMBLY__ */
#endif /* __ASM_ARM_REGS_SERIAL_H */

42
arch/arm/mach-w90x900/include/mach/regs-timer.h Normal file
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@ -0,0 +1,42 @@
/*
* arch/arm/mach-w90x900/include/mach/regs-timer.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/regs-timer.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef __ASM_ARCH_REGS_TIMER_H
#define __ASM_ARCH_REGS_TIMER_H
/* Timer Registers */
#define TMR_BA W90X900_VA_TIMER
#define REG_TCSR0 (TMR_BA+0x00)
#define REG_TCSR1 (TMR_BA+0x04)
#define REG_TICR0 (TMR_BA+0x08)
#define REG_TICR1 (TMR_BA+0x0C)
#define REG_TDR0 (TMR_BA+0x10)
#define REG_TDR1 (TMR_BA+0x14)
#define REG_TISR (TMR_BA+0x18)
#define REG_WTCR (TMR_BA+0x1C)
#define REG_TCSR2 (TMR_BA+0x20)
#define REG_TCSR3 (TMR_BA+0x24)
#define REG_TICR2 (TMR_BA+0x28)
#define REG_TICR3 (TMR_BA+0x2C)
#define REG_TDR2 (TMR_BA+0x30)
#define REG_TDR3 (TMR_BA+0x34)
#define REG_TCSR4 (TMR_BA+0x40)
#define REG_TICR4 (TMR_BA+0x48)
#define REG_TDR4 (TMR_BA+0x50)
#endif /* __ASM_ARCH_REGS_TIMER_H */

28
arch/arm/mach-w90x900/include/mach/system.h Normal file
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@ -0,0 +1,28 @@
/*
* arch/arm/mach-w90x900/include/mach/system.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/system.h
*
* 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/proc-fns.h>
static void arch_idle(void)
{
}
static void arch_reset(char mode)
{
cpu_reset(0);
}

25
arch/arm/mach-w90x900/include/mach/timex.h Normal file
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@ -0,0 +1,25 @@
/*
* arch/arm/mach-w90x900/include/mach/timex.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/timex.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef __ASM_ARCH_TIMEX_H
#define __ASM_ARCH_TIMEX_H
/* CLOCK_TICK_RATE Now, I don't use it. */
#define CLOCK_TICK_RATE 15000000
#endif /* __ASM_ARCH_TIMEX_H */

40
arch/arm/mach-w90x900/include/mach/uncompress.h Normal file
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@ -0,0 +1,40 @@
/*
* arch/arm/mach-w90x900/include/mach/uncompress.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/uncompress.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef __ASM_ARCH_UNCOMPRESS_H
#define __ASM_ARCH_UNCOMPRESS_H
/* Defines for UART registers */
#include <mach/regs-serial.h>
#include <mach/map.h>
#define arch_decomp_wdog()
static void putc(int ch)
{
}
static inline void flush(void)
{
}
static void arch_decomp_setup(void)
{
}
#endif/* __ASM_W90X900_UNCOMPRESS_H */

23
arch/arm/mach-w90x900/include/mach/vmalloc.h Normal file
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@ -0,0 +1,23 @@
/*
* arch/arm/mach-w90x900/include/mach/vmalloc.h
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/vmalloc.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#ifndef __ASM_ARCH_VMALLOC_H
#define __ASM_ARCH_VMALLOC_H
#define VMALLOC_END (0xE0000000)
#endif /* __ASM_ARCH_VMALLOC_H */

76
arch/arm/mach-w90x900/irq.c Normal file
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@ -0,0 +1,76 @@
/*
* linux/arch/arm/mach-w90x900/irq.c
*
* based on linux/arch/arm/plat-s3c24xx/irq.c by Ben Dooks
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* 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/init.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/ptrace.h>
#include <linux/sysdev.h>
#include <linux/io.h>
#include <asm/irq.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/regs-irq.h>
static void w90x900_irq_mask(unsigned int irq)
{
__raw_writel(1 << irq, REG_AIC_MDCR);
}
/*
* By the w90p910 spec,any irq,only write 1
* to REG_AIC_EOSCR for ACK
*/
static void w90x900_irq_ack(unsigned int irq)
{
__raw_writel(0x01, REG_AIC_EOSCR);
}
static void w90x900_irq_unmask(unsigned int irq)
{
unsigned long mask;
if (irq == IRQ_T_INT_GROUP) {
mask = __raw_readl(REG_AIC_GEN);
__raw_writel(TIME_GROUP_IRQ | mask, REG_AIC_GEN);
__raw_writel(1 << IRQ_T_INT_GROUP, REG_AIC_MECR);
}
__raw_writel(1 << irq, REG_AIC_MECR);
}
static struct irq_chip w90x900_irq_chip = {
.ack = w90x900_irq_ack,
.mask = w90x900_irq_mask,
.unmask = w90x900_irq_unmask,
};
void __init w90x900_init_irq(void)
{
int irqno;
__raw_writel(0xFFFFFFFE, REG_AIC_MDCR);
for (irqno = IRQ_WDT; irqno <= IRQ_ADC; irqno++) {
set_irq_chip(irqno, &w90x900_irq_chip);
set_irq_handler(irqno, handle_level_irq);
set_irq_flags(irqno, IRQF_VALID);
}
}

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arch/arm/mach-w90x900/mach-w90p910evb.c Normal file
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/*
* linux/arch/arm/mach-w90x900/mach-w90p910evb.c
*
* Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche
*
* Copyright (C) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* 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/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach-types.h>
#include <mach/regs-serial.h>
#include "cpu.h"
static struct map_desc w90p910_iodesc[] __initdata = {
};
static struct w90x900_uartcfg w90p910_uartcfgs[] = {
W90X900_UARTCFG(0, 0, 0, 0, 0),
W90X900_UARTCFG(1, 0, 0, 0, 0),
W90X900_UARTCFG(2, 0, 0, 0, 0),
W90X900_UARTCFG(3, 0, 0, 0, 0),
W90X900_UARTCFG(4, 0, 0, 0, 0),
};
/*Here should be your evb resourse,such as LCD*/
static struct platform_device *w90p910evb_dev[] __initdata = {
};
static void __init w90p910evb_map_io(void)
{
w90p910_map_io(w90p910_iodesc, ARRAY_SIZE(w90p910_iodesc));
w90p910_init_clocks(0);
w90p910_init_uarts(w90p910_uartcfgs, ARRAY_SIZE(w90p910_uartcfgs));
}
static void __init w90p910evb_init(void)
{
platform_add_devices(w90p910evb_dev, ARRAY_SIZE(w90p910evb_dev));
}
MACHINE_START(W90P910EVB, "W90P910EVB")
/* Maintainer: Wan ZongShun */
.phys_io = W90X900_PA_UART,
.io_pg_offst = (((u32)W90X900_VA_UART) >> 18) & 0xfffc,
.boot_params = 0,
.map_io = w90p910evb_map_io,
.init_irq = w90x900_init_irq,
.init_machine = w90p910evb_init,
.timer = &w90x900_timer,
MACHINE_END

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arch/arm/mach-w90x900/time.c Normal file
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/*
* linux/arch/arm/mach-w90x900/time.c
*
* Based on linux/arch/arm/plat-s3c24xx/time.c by Ben Dooks
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* 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/kernel.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
#include <mach/system.h>
#include <mach/map.h>
#include <mach/regs-timer.h>
static unsigned long w90x900_gettimeoffset(void)
{
return 0;
}
/*IRQ handler for the timer*/
static irqreturn_t
w90x900_timer_interrupt(int irq, void *dev_id)
{
timer_tick();
__raw_writel(0x01, REG_TISR); /* clear TIF0 */
return IRQ_HANDLED;
}
static struct irqaction w90x900_timer_irq = {
.name = "w90x900 Timer Tick",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.handler = w90x900_timer_interrupt,
};
/*Set up timer reg.*/
static void w90x900_timer_setup(void)
{
__raw_writel(0, REG_TCSR0);
__raw_writel(0, REG_TCSR1);
__raw_writel(0, REG_TCSR2);
__raw_writel(0, REG_TCSR3);
__raw_writel(0, REG_TCSR4);
__raw_writel(0x1F, REG_TISR);
__raw_writel(15000000/(100 * 100), REG_TICR0);
__raw_writel(0x68000063, REG_TCSR0);
}
static void __init w90x900_timer_init(void)
{
w90x900_timer_setup();
setup_irq(IRQ_TIMER0, &w90x900_timer_irq);
}
struct sys_timer w90x900_timer = {
.init = w90x900_timer_init,
.offset = w90x900_gettimeoffset,
.resume = w90x900_timer_setup
};

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/*
* linux/arch/arm/mach-w90x900/w90p910.c
*
* Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks
*
* Copyright (c) 2008 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* W90P910 cpu support
*
* 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/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/irq.h>
#include <mach/hardware.h>
#include <mach/regs-serial.h>
#include "cpu.h"
/*W90P910 has five uarts*/
#define MAX_UART_COUNT 5
static int uart_count;
static struct platform_device *uart_devs[MAX_UART_COUNT-1];
/* Initial IO mappings */
static struct map_desc w90p910_iodesc[] __initdata = {
IODESC_ENT(IRQ),
IODESC_ENT(GCR),
IODESC_ENT(UART),
IODESC_ENT(TIMER),
IODESC_ENT(EBI),
/*IODESC_ENT(LCD),*/
};
/*Init the dev resource*/
static W90X900_RES(UART0);
static W90X900_RES(UART1);
static W90X900_RES(UART2);
static W90X900_RES(UART3);
static W90X900_RES(UART4);
static W90X900_DEVICE(uart0, UART0, 0, "w90x900-uart");
static W90X900_DEVICE(uart1, UART1, 1, "w90x900-uart");
static W90X900_DEVICE(uart2, UART2, 2, "w90x900-uart");
static W90X900_DEVICE(uart3, UART3, 3, "w90x900-uart");
static W90X900_DEVICE(uart4, UART4, 4, "w90x900-uart");
static struct platform_device *uart_devices[] __initdata = {
&w90x900_uart0,
&w90x900_uart1,
&w90x900_uart2,
&w90x900_uart3,
&w90x900_uart4
};
/*Init W90P910 uart device*/
void __init w90p910_init_uarts(struct w90x900_uartcfg *cfg, int no)
{
struct platform_device *platdev;
int uart, uartdev;
/*By min() to judge count of uart be used indeed*/
uartdev = ARRAY_SIZE(uart_devices);
no = min(uartdev, no);
for (uart = 0; uart < no; uart++, cfg++) {
if (cfg->hwport != uart)
printk(KERN_ERR "w90x900_uartcfg[%d] error\n", uart);
platdev = uart_devices[cfg->hwport];
uart_devs[uart] = platdev;
platdev->dev.platform_data = cfg;
}
uart_count = uart;
}
/*Init W90P910 evb io*/
void __init w90p910_map_io(struct map_desc *mach_desc, int mach_size)
{
unsigned long idcode = 0x0;
iotable_init(w90p910_iodesc, ARRAY_SIZE(w90p910_iodesc));
idcode = __raw_readl(W90X900PDID);
if (idcode != W90P910_CPUID)
printk(KERN_ERR "CPU type 0x%08lx is not W90P910\n", idcode);
}
/*Init W90P910 clock*/
void __init w90p910_init_clocks(int xtal)
{
}
static int __init w90p910_init_cpu(void)
{
return 0;
}
static int __init w90x900_arch_init(void)
{
int ret;
ret = w90p910_init_cpu();
if (ret != 0)
return ret;
return platform_add_devices(uart_devs, uart_count);
}
arch_initcall(w90x900_arch_init);