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-rw-r--r--arch/arm/Kconfig9
-rw-r--r--arch/arm/Makefile1
-rw-r--r--arch/arm/mach-w90x900/Kconfig19
-rw-r--r--arch/arm/mach-w90x900/Makefile15
-rw-r--r--arch/arm/mach-w90x900/Makefile.boot3
-rw-r--r--arch/arm/mach-w90x900/cpu.h77
-rw-r--r--arch/arm/mach-w90x900/include/mach/entry-macro.S34
-rw-r--r--arch/arm/mach-w90x900/include/mach/hardware.h24
-rw-r--r--arch/arm/mach-w90x900/include/mach/io.h30
-rw-r--r--arch/arm/mach-w90x900/include/mach/irqs.h45
-rw-r--r--arch/arm/mach-w90x900/include/mach/map.h76
-rw-r--r--arch/arm/mach-w90x900/include/mach/memory.h23
-rw-r--r--arch/arm/mach-w90x900/include/mach/regs-irq.h51
-rw-r--r--arch/arm/mach-w90x900/include/mach/regs-serial.h59
-rw-r--r--arch/arm/mach-w90x900/include/mach/regs-timer.h42
-rw-r--r--arch/arm/mach-w90x900/include/mach/system.h28
-rw-r--r--arch/arm/mach-w90x900/include/mach/timex.h25
-rw-r--r--arch/arm/mach-w90x900/include/mach/uncompress.h40
-rw-r--r--arch/arm/mach-w90x900/include/mach/vmalloc.h23
-rw-r--r--arch/arm/mach-w90x900/irq.c76
-rw-r--r--arch/arm/mach-w90x900/mach-w90p910evb.c72
-rw-r--r--arch/arm/mach-w90x900/time.c80
-rw-r--r--arch/arm/mach-w90x900/w90p910.c134
23 files changed, 986 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 93c5bebcd10f..4546f8b2ce8c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -572,6 +572,13 @@ config ARCH_MSM
572 interface to the ARM9 modem processor which runs the baseband stack 572 interface to the ARM9 modem processor which runs the baseband stack
573 and controls some vital subsystems (clock and power control, etc). 573 and controls some vital subsystems (clock and power control, etc).
574 574
575config ARCH_W90X900
576 bool "Nuvoton W90X900 CPU"
577 select CPU_ARM926T
578 help
579 Support for Nuvoton (Winbond logic dept.) ARM9 processor,You
580 can login www.mcuos.com or www.nuvoton.com to know more.
581
575endchoice 582endchoice
576 583
577source "arch/arm/mach-clps711x/Kconfig" 584source "arch/arm/mach-clps711x/Kconfig"
@@ -650,6 +657,8 @@ source "arch/arm/mach-ks8695/Kconfig"
650 657
651source "arch/arm/mach-msm/Kconfig" 658source "arch/arm/mach-msm/Kconfig"
652 659
660source "arch/arm/mach-w90x900/Kconfig"
661
653# Definitions to make life easier 662# Definitions to make life easier
654config ARCH_ACORN 663config ARCH_ACORN
655 bool 664 bool
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 2eca2998f93e..69d3038b35e3 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -143,6 +143,7 @@ endif
143 machine-$(CONFIG_ARCH_MSM) := msm 143 machine-$(CONFIG_ARCH_MSM) := msm
144 machine-$(CONFIG_ARCH_LOKI) := loki 144 machine-$(CONFIG_ARCH_LOKI) := loki
145 machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 145 machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
146 machine-$(CONFIG_ARCH_W90X900) := w90x900
146 147
147ifeq ($(CONFIG_ARCH_EBSA110),y) 148ifeq ($(CONFIG_ARCH_EBSA110),y)
148# This is what happens if you forget the IOCS16 line. 149# This is what happens if you forget the IOCS16 line.
diff --git a/arch/arm/mach-w90x900/Kconfig b/arch/arm/mach-w90x900/Kconfig
new file mode 100644
index 000000000000..8e4178fe5ec2
--- /dev/null
+++ b/arch/arm/mach-w90x900/Kconfig
@@ -0,0 +1,19 @@
1if ARCH_W90X900
2
3config CPU_W90P910
4 bool
5 help
6 Support for W90P910 of Nuvoton W90X900 CPUs.
7
8menu "W90P910 Machines"
9
10config MACH_W90P910EVB
11 bool "Nuvoton W90P910 Evaluation Board"
12 default y
13 select CPU_W90P910
14 help
15 Say Y here if you are using the Nuvoton W90P910EVB
16
17endmenu
18
19endif
diff --git a/arch/arm/mach-w90x900/Makefile b/arch/arm/mach-w90x900/Makefile
new file mode 100644
index 000000000000..0c0c1d63f1c7
--- /dev/null
+++ b/arch/arm/mach-w90x900/Makefile
@@ -0,0 +1,15 @@
1#
2# Makefile for the linux kernel.
3#
4
5# Object file lists.
6
7obj-y := irq.o time.o
8
9# W90X900 CPU support files
10
11obj-$(CONFIG_CPU_W90P910) += w90p910.o
12
13# machine support
14
15obj-$(CONFIG_MACH_W90P910EVB) += mach-w90p910evb.o
diff --git a/arch/arm/mach-w90x900/Makefile.boot b/arch/arm/mach-w90x900/Makefile.boot
new file mode 100644
index 000000000000..a057b546b6e5
--- /dev/null
+++ b/arch/arm/mach-w90x900/Makefile.boot
@@ -0,0 +1,3 @@
1zreladdr-y := 0x00008000
2params_phys-y := 0x00000100
3
diff --git a/arch/arm/mach-w90x900/cpu.h b/arch/arm/mach-w90x900/cpu.h
new file mode 100644
index 000000000000..40ff40845df0
--- /dev/null
+++ b/arch/arm/mach-w90x900/cpu.h
@@ -0,0 +1,77 @@
1/*
2 * arch/arm/mach-w90x900/cpu.h
3 *
4 * Based on linux/include/asm-arm/plat-s3c24xx/cpu.h by Ben Dooks
5 *
6 * Copyright (c) 2008 Nuvoton technology corporation
7 * All rights reserved.
8 *
9 * Header file for W90X900 CPU support
10 *
11 * Wan ZongShun <mcuos.com@gmail.com>
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
16 *
17 */
18
19#define IODESC_ENT(y) \
20{ \
21 .virtual = (unsigned long)W90X900_VA_##y, \
22 .pfn = __phys_to_pfn(W90X900_PA_##y), \
23 .length = W90X900_SZ_##y, \
24 .type = MT_DEVICE, \
25}
26
27/*Cpu identifier register*/
28
29#define W90X900PDID W90X900_VA_GCR
30#define W90P910_CPUID 0x02900910
31#define W90P920_CPUID 0x02900920
32#define W90P950_CPUID 0x02900950
33#define W90N960_CPUID 0x02900960
34
35struct w90x900_uartcfg;
36struct map_desc;
37struct sys_timer;
38
39/* core initialisation functions */
40
41extern void w90x900_init_irq(void);
42extern void w90p910_init_io(struct map_desc *mach_desc, int size);
43extern void w90p910_init_uarts(struct w90x900_uartcfg *cfg, int no);
44extern void w90p910_init_clocks(int xtal);
45extern void w90p910_map_io(struct map_desc *mach_desc, int size);
46extern struct sys_timer w90x900_timer;
47
48#define W90X900_RES(name) \
49struct resource w90x900_##name##_resource[] = { \
50 [0] = { \
51 .start = name##_PA, \
52 .end = name##_PA + 0x0ff, \
53 .flags = IORESOURCE_MEM, \
54 }, \
55 [1] = { \
56 .start = IRQ_##name, \
57 .end = IRQ_##name, \
58 .flags = IORESOURCE_IRQ, \
59 } \
60}
61
62#define W90X900_DEVICE(devname, regname, devid, platdevname) \
63struct platform_device w90x900_##devname = { \
64 .name = platdevname, \
65 .id = devid, \
66 .num_resources = ARRAY_SIZE(w90x900_##regname##_resource), \
67 .resource = w90x900_##regname##_resource, \
68}
69
70#define W90X900_UARTCFG(port, flag, uc, ulc, ufc) \
71{ \
72 .hwport = port, \
73 .flags = flag, \
74 .ucon = uc, \
75 .ulcon = ulc, \
76 .ufcon = ufc, \
77}
diff --git a/arch/arm/mach-w90x900/include/mach/entry-macro.S b/arch/arm/mach-w90x900/include/mach/entry-macro.S
new file mode 100644
index 000000000000..d39aca5be9ee
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/entry-macro.S
@@ -0,0 +1,34 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/entry-macro.S
3 *
4 * Low-level IRQ helper macros for W90P910-based platforms
5 *
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 *
10 */
11
12#include <mach/hardware.h>
13#include <mach/regs-irq.h>
14
15 .macro get_irqnr_preamble, base, tmp
16 .endm
17
18 .macro arch_ret_to_user, tmp1, tmp2
19 .endm
20
21 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
22
23 mov \base, #AIC_BA
24
25 ldr \irqnr, [ \base, #AIC_IPER]
26 ldr \irqnr, [ \base, #AIC_ISNR]
27 cmp \irqnr, #0
28
29 .endm
30
31 /* currently don't need an disable_fiq macro */
32
33 .macro disable_fiq
34 .endm
diff --git a/arch/arm/mach-w90x900/include/mach/hardware.h b/arch/arm/mach-w90x900/include/mach/hardware.h
new file mode 100644
index 000000000000..fe3c6265a466
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/hardware.h
@@ -0,0 +1,24 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/hardware.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/hardware.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef __ASM_ARCH_HARDWARE_H
19#define __ASM_ARCH_HARDWARE_H
20
21#include <asm/sizes.h>
22#include <mach/map.h>
23
24#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/mach-w90x900/include/mach/io.h b/arch/arm/mach-w90x900/include/mach/io.h
new file mode 100644
index 000000000000..d96ab99df05b
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/io.h
@@ -0,0 +1,30 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/io.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/io.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef __ASM_ARM_ARCH_IO_H
19#define __ASM_ARM_ARCH_IO_H
20
21#define IO_SPACE_LIMIT 0xffffffff
22
23/*
24 * 1:1 mapping for ioremapped regions.
25 */
26
27#define __mem_pci(a) (a)
28#define __io(a) __typesafe_io(a)
29
30#endif
diff --git a/arch/arm/mach-w90x900/include/mach/irqs.h b/arch/arm/mach-w90x900/include/mach/irqs.h
new file mode 100644
index 000000000000..1c583f9cbcde
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/irqs.h
@@ -0,0 +1,45 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/irqs.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/irqs.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef __ASM_ARCH_IRQS_H
19#define __ASM_ARCH_IRQS_H
20
21/*
22 * we keep the first set of CPU IRQs out of the range of
23 * the ISA space, so that the PC104 has them to itself
24 * and we don't end up having to do horrible things to the
25 * standard ISA drivers....
26 *
27 */
28
29#define W90X900_IRQ(x) (x)
30
31/* Main cpu interrupts */
32
33#define IRQ_WDT W90X900_IRQ(1)
34#define IRQ_UART0 W90X900_IRQ(7)
35#define IRQ_UART1 W90X900_IRQ(8)
36#define IRQ_UART2 W90X900_IRQ(9)
37#define IRQ_UART3 W90X900_IRQ(10)
38#define IRQ_UART4 W90X900_IRQ(11)
39#define IRQ_TIMER0 W90X900_IRQ(12)
40#define IRQ_TIMER1 W90X900_IRQ(13)
41#define IRQ_T_INT_GROUP W90X900_IRQ(14)
42#define IRQ_ADC W90X900_IRQ(31)
43#define NR_IRQS (IRQ_ADC+1)
44
45#endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/mach-w90x900/include/mach/map.h b/arch/arm/mach-w90x900/include/mach/map.h
new file mode 100644
index 000000000000..79320ebe614b
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/map.h
@@ -0,0 +1,76 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/map.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/map.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef __ASM_ARCH_MAP_H
19#define __ASM_ARCH_MAP_H
20
21#ifndef __ASSEMBLY__
22#define W90X900_ADDR(x) ((void __iomem *)(0xF0000000 + (x)))
23#else
24#define W90X900_ADDR(x) (0xF0000000 + (x))
25#endif
26
27#define AHB_IO_BASE 0xB0000000
28#define APB_IO_BASE 0xB8000000
29#define CLOCKPW_BASE (APB_IO_BASE+0x200)
30#define AIC_IO_BASE (APB_IO_BASE+0x2000)
31#define TIMER_IO_BASE (APB_IO_BASE+0x1000)
32
33/*
34 * interrupt controller is the first thing we put in, to make
35 * the assembly code for the irq detection easier
36 */
37
38#define W90X900_VA_IRQ W90X900_ADDR(0x00000000)
39#define W90X900_PA_IRQ (0xB8002000)
40#define W90X900_SZ_IRQ SZ_4K
41
42#define W90X900_VA_GCR W90X900_ADDR(0x08002000)
43#define W90X900_PA_GCR (0xB0000000)
44#define W90X900_SZ_GCR SZ_4K
45
46/* Clock and Power management */
47
48#define W90X900_VA_CLKPWR (W90X900_VA_GCR+0x200)
49#define W90X900_PA_CLKPWR (0xB0000200)
50#define W90X900_SZ_CLKPWR SZ_4K
51
52/* EBI management */
53
54#define W90X900_VA_EBI W90X900_ADDR(0x00001000)
55#define W90X900_PA_EBI (0xB0001000)
56#define W90X900_SZ_EBI SZ_4K
57
58/* UARTs */
59
60#define W90X900_VA_UART W90X900_ADDR(0x08000000)
61#define W90X900_PA_UART (0xB8000000)
62#define W90X900_SZ_UART SZ_4K
63
64/* Timers */
65
66#define W90X900_VA_TIMER W90X900_ADDR(0x08001000)
67#define W90X900_PA_TIMER (0xB8001000)
68#define W90X900_SZ_TIMER SZ_4K
69
70/* GPIO ports */
71
72#define W90X900_VA_GPIO W90X900_ADDR(0x08003000)
73#define W90X900_PA_GPIO (0xB8003000)
74#define W90X900_SZ_GPIO SZ_4K
75
76#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-w90x900/include/mach/memory.h b/arch/arm/mach-w90x900/include/mach/memory.h
new file mode 100644
index 000000000000..971b80702c27
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/memory.h
@@ -0,0 +1,23 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/memory.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/memory.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef __ASM_ARCH_MEMORY_H
19#define __ASM_ARCH_MEMORY_H
20
21#define PHYS_OFFSET UL(0x00000000)
22
23#endif
diff --git a/arch/arm/mach-w90x900/include/mach/regs-irq.h b/arch/arm/mach-w90x900/include/mach/regs-irq.h
new file mode 100644
index 000000000000..8a3185fbc9cf
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/regs-irq.h
@@ -0,0 +1,51 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/regs-irq.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/regs-irq.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef ___ASM_ARCH_REGS_IRQ_H
19#define ___ASM_ARCH_REGS_IRQ_H
20
21/* Advance Interrupt Controller (AIC) Registers */
22
23#define AIC_BA W90X900_VA_IRQ
24
25#define REG_AIC_IRQSC (AIC_BA+0x80)
26#define REG_AIC_GEN (AIC_BA+0x84)
27#define REG_AIC_GASR (AIC_BA+0x88)
28#define REG_AIC_GSCR (AIC_BA+0x8C)
29#define REG_AIC_IRSR (AIC_BA+0x100)
30#define REG_AIC_IASR (AIC_BA+0x104)
31#define REG_AIC_ISR (AIC_BA+0x108)
32#define REG_AIC_IPER (AIC_BA+0x10C)
33#define REG_AIC_ISNR (AIC_BA+0x110)
34#define REG_AIC_IMR (AIC_BA+0x114)
35#define REG_AIC_OISR (AIC_BA+0x118)
36#define REG_AIC_MECR (AIC_BA+0x120)
37#define REG_AIC_MDCR (AIC_BA+0x124)
38#define REG_AIC_SSCR (AIC_BA+0x128)
39#define REG_AIC_SCCR (AIC_BA+0x12C)
40#define REG_AIC_EOSCR (AIC_BA+0x130)
41#define AIC_IPER (0x10C)
42#define AIC_ISNR (0x110)
43
44/*16-18 bits of REG_AIC_GEN define irq(2-4) group*/
45
46#define TIMER2_IRQ (1 << 16)
47#define TIMER3_IRQ (1 << 17)
48#define TIMER4_IRQ (1 << 18)
49#define TIME_GROUP_IRQ (TIMER2_IRQ|TIMER3_IRQ|TIMER4_IRQ)
50
51#endif /* ___ASM_ARCH_REGS_IRQ_H */
diff --git a/arch/arm/mach-w90x900/include/mach/regs-serial.h b/arch/arm/mach-w90x900/include/mach/regs-serial.h
new file mode 100644
index 000000000000..f08fa0d75e11
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/regs-serial.h
@@ -0,0 +1,59 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/regs-serial.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/regs-serial.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef __ASM_ARM_REGS_SERIAL_H
19#define __ASM_ARM_REGS_SERIAL_H
20
21#define UART0_BA W90X900_VA_UART
22#define UART1_BA (W90X900_VA_UART+0x100)
23#define UART2_BA (W90X900_VA_UART+0x200)
24#define UART3_BA (W90X900_VA_UART+0x300)
25#define UART4_BA (W90X900_VA_UART+0x400)
26
27#define UART0_PA W90X900_PA_UART
28#define UART1_PA (W90X900_PA_UART+0x100)
29#define UART2_PA (W90X900_PA_UART+0x200)
30#define UART3_PA (W90X900_PA_UART+0x300)
31#define UART4_PA (W90X900_PA_UART+0x400)
32
33#ifndef __ASSEMBLY__
34
35struct w90x900_uart_clksrc {
36 const char *name;
37 unsigned int divisor;
38 unsigned int min_baud;
39 unsigned int max_baud;
40};
41
42struct w90x900_uartcfg {
43 unsigned char hwport;
44 unsigned char unused;
45 unsigned short flags;
46 unsigned long uart_flags;
47
48 unsigned long ucon;
49 unsigned long ulcon;
50 unsigned long ufcon;
51
52 struct w90x900_uart_clksrc *clocks;
53 unsigned int clocks_size;
54};
55
56#endif /* __ASSEMBLY__ */
57
58#endif /* __ASM_ARM_REGS_SERIAL_H */
59
diff --git a/arch/arm/mach-w90x900/include/mach/regs-timer.h b/arch/arm/mach-w90x900/include/mach/regs-timer.h
new file mode 100644
index 000000000000..8f390620c0e4
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/regs-timer.h
@@ -0,0 +1,42 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/regs-timer.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/regs-timer.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef __ASM_ARCH_REGS_TIMER_H
19#define __ASM_ARCH_REGS_TIMER_H
20
21/* Timer Registers */
22
23#define TMR_BA W90X900_VA_TIMER
24#define REG_TCSR0 (TMR_BA+0x00)
25#define REG_TCSR1 (TMR_BA+0x04)
26#define REG_TICR0 (TMR_BA+0x08)
27#define REG_TICR1 (TMR_BA+0x0C)
28#define REG_TDR0 (TMR_BA+0x10)
29#define REG_TDR1 (TMR_BA+0x14)
30#define REG_TISR (TMR_BA+0x18)
31#define REG_WTCR (TMR_BA+0x1C)
32#define REG_TCSR2 (TMR_BA+0x20)
33#define REG_TCSR3 (TMR_BA+0x24)
34#define REG_TICR2 (TMR_BA+0x28)
35#define REG_TICR3 (TMR_BA+0x2C)
36#define REG_TDR2 (TMR_BA+0x30)
37#define REG_TDR3 (TMR_BA+0x34)
38#define REG_TCSR4 (TMR_BA+0x40)
39#define REG_TICR4 (TMR_BA+0x48)
40#define REG_TDR4 (TMR_BA+0x50)
41
42#endif /* __ASM_ARCH_REGS_TIMER_H */
diff --git a/arch/arm/mach-w90x900/include/mach/system.h b/arch/arm/mach-w90x900/include/mach/system.h
new file mode 100644
index 000000000000..93753f922618
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/system.h
@@ -0,0 +1,28 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/system.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/system.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#include <asm/proc-fns.h>
19
20static void arch_idle(void)
21{
22}
23
24static void arch_reset(char mode)
25{
26 cpu_reset(0);
27}
28
diff --git a/arch/arm/mach-w90x900/include/mach/timex.h b/arch/arm/mach-w90x900/include/mach/timex.h
new file mode 100644
index 000000000000..164dce0b64db
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/timex.h
@@ -0,0 +1,25 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/timex.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/timex.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef __ASM_ARCH_TIMEX_H
19#define __ASM_ARCH_TIMEX_H
20
21/* CLOCK_TICK_RATE Now, I don't use it. */
22
23#define CLOCK_TICK_RATE 15000000
24
25#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-w90x900/include/mach/uncompress.h b/arch/arm/mach-w90x900/include/mach/uncompress.h
new file mode 100644
index 000000000000..050d9fe5ae1b
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/uncompress.h
@@ -0,0 +1,40 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/uncompress.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/uncompress.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef __ASM_ARCH_UNCOMPRESS_H
19#define __ASM_ARCH_UNCOMPRESS_H
20
21/* Defines for UART registers */
22
23#include <mach/regs-serial.h>
24#include <mach/map.h>
25
26#define arch_decomp_wdog()
27
28static void putc(int ch)
29{
30}
31
32static inline void flush(void)
33{
34}
35
36static void arch_decomp_setup(void)
37{
38}
39
40#endif/* __ASM_W90X900_UNCOMPRESS_H */
diff --git a/arch/arm/mach-w90x900/include/mach/vmalloc.h b/arch/arm/mach-w90x900/include/mach/vmalloc.h
new file mode 100644
index 000000000000..2f9dfb928533
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/vmalloc.h
@@ -0,0 +1,23 @@
1/*
2 * arch/arm/mach-w90x900/include/mach/vmalloc.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/vmalloc.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef __ASM_ARCH_VMALLOC_H
19#define __ASM_ARCH_VMALLOC_H
20
21#define VMALLOC_END (0xE0000000)
22
23#endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/mach-w90x900/irq.c b/arch/arm/mach-w90x900/irq.c
new file mode 100644
index 000000000000..0b4fc194729c
--- /dev/null
+++ b/arch/arm/mach-w90x900/irq.c
@@ -0,0 +1,76 @@
1/*
2 * linux/arch/arm/mach-w90x900/irq.c
3 *
4 * based on linux/arch/arm/plat-s3c24xx/irq.c by Ben Dooks
5 *
6 * Copyright (c) 2008 Nuvoton technology corporation
7 * All rights reserved.
8 *
9 * Wan ZongShun <mcuos.com@gmail.com>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#include <linux/init.h>
19#include <linux/module.h>
20#include <linux/interrupt.h>
21#include <linux/ioport.h>
22#include <linux/ptrace.h>
23#include <linux/sysdev.h>
24#include <linux/io.h>
25
26#include <asm/irq.h>
27#include <asm/mach/irq.h>
28
29#include <mach/hardware.h>
30#include <mach/regs-irq.h>
31
32static void w90x900_irq_mask(unsigned int irq)
33{
34 __raw_writel(1 << irq, REG_AIC_MDCR);
35}
36
37/*
38 * By the w90p910 spec,any irq,only write 1
39 * to REG_AIC_EOSCR for ACK
40 */
41
42static void w90x900_irq_ack(unsigned int irq)
43{
44 __raw_writel(0x01, REG_AIC_EOSCR);
45}
46
47static void w90x900_irq_unmask(unsigned int irq)
48{
49 unsigned long mask;
50
51 if (irq == IRQ_T_INT_GROUP) {
52 mask = __raw_readl(REG_AIC_GEN);
53 __raw_writel(TIME_GROUP_IRQ | mask, REG_AIC_GEN);
54 __raw_writel(1 << IRQ_T_INT_GROUP, REG_AIC_MECR);
55 }
56 __raw_writel(1 << irq, REG_AIC_MECR);
57}
58
59static struct irq_chip w90x900_irq_chip = {
60 .ack = w90x900_irq_ack,
61 .mask = w90x900_irq_mask,
62 .unmask = w90x900_irq_unmask,
63};
64
65void __init w90x900_init_irq(void)
66{
67 int irqno;
68
69 __raw_writel(0xFFFFFFFE, REG_AIC_MDCR);
70
71 for (irqno = IRQ_WDT; irqno <= IRQ_ADC; irqno++) {
72 set_irq_chip(irqno, &w90x900_irq_chip);
73 set_irq_handler(irqno, handle_level_irq);
74 set_irq_flags(irqno, IRQF_VALID);
75 }
76}
diff --git a/arch/arm/mach-w90x900/mach-w90p910evb.c b/arch/arm/mach-w90x900/mach-w90p910evb.c
new file mode 100644
index 000000000000..9307a2475438
--- /dev/null
+++ b/arch/arm/mach-w90x900/mach-w90p910evb.c
@@ -0,0 +1,72 @@
1/*
2 * linux/arch/arm/mach-w90x900/mach-w90p910evb.c
3 *
4 * Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche
5 *
6 * Copyright (C) 2008 Nuvoton technology corporation
7 * All rights reserved.
8 *
9 * Wan ZongShun <mcuos.com@gmail.com>
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 */
17
18#include <linux/kernel.h>
19#include <linux/types.h>
20#include <linux/interrupt.h>
21#include <linux/list.h>
22#include <linux/timer.h>
23#include <linux/init.h>
24#include <linux/platform_device.h>
25
26#include <asm/mach/arch.h>
27#include <asm/mach/map.h>
28#include <asm/mach/irq.h>
29#include <asm/mach-types.h>
30
31#include <mach/regs-serial.h>
32
33#include "cpu.h"
34
35static struct map_desc w90p910_iodesc[] __initdata = {
36};
37
38static struct w90x900_uartcfg w90p910_uartcfgs[] = {
39 W90X900_UARTCFG(0, 0, 0, 0, 0),
40 W90X900_UARTCFG(1, 0, 0, 0, 0),
41 W90X900_UARTCFG(2, 0, 0, 0, 0),
42 W90X900_UARTCFG(3, 0, 0, 0, 0),
43 W90X900_UARTCFG(4, 0, 0, 0, 0),
44};
45
46/*Here should be your evb resourse,such as LCD*/
47
48static struct platform_device *w90p910evb_dev[] __initdata = {
49};
50
51static void __init w90p910evb_map_io(void)
52{
53 w90p910_map_io(w90p910_iodesc, ARRAY_SIZE(w90p910_iodesc));
54 w90p910_init_clocks(0);
55 w90p910_init_uarts(w90p910_uartcfgs, ARRAY_SIZE(w90p910_uartcfgs));
56}
57
58static void __init w90p910evb_init(void)
59{
60 platform_add_devices(w90p910evb_dev, ARRAY_SIZE(w90p910evb_dev));
61}
62
63MACHINE_START(W90P910EVB, "W90P910EVB")
64 /* Maintainer: Wan ZongShun */
65 .phys_io = W90X900_PA_UART,
66 .io_pg_offst = (((u32)W90X900_VA_UART) >> 18) & 0xfffc,
67 .boot_params = 0,
68 .map_io = w90p910evb_map_io,
69 .init_irq = w90x900_init_irq,
70 .init_machine = w90p910evb_init,
71 .timer = &w90x900_timer,
72MACHINE_END
diff --git a/arch/arm/mach-w90x900/time.c b/arch/arm/mach-w90x900/time.c
new file mode 100644
index 000000000000..3a69e381f316
--- /dev/null
+++ b/arch/arm/mach-w90x900/time.c
@@ -0,0 +1,80 @@
1/*
2 * linux/arch/arm/mach-w90x900/time.c
3 *
4 * Based on linux/arch/arm/plat-s3c24xx/time.c by Ben Dooks
5 *
6 * Copyright (c) 2008 Nuvoton technology corporation
7 * All rights reserved.
8 *
9 * Wan ZongShun <mcuos.com@gmail.com>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#include <linux/kernel.h>
19#include <linux/sched.h>
20#include <linux/init.h>
21#include <linux/interrupt.h>
22#include <linux/err.h>
23#include <linux/clk.h>
24#include <linux/io.h>
25#include <linux/leds.h>
26
27#include <asm/mach-types.h>
28#include <asm/mach/irq.h>
29#include <asm/mach/time.h>
30
31#include <mach/system.h>
32#include <mach/map.h>
33#include <mach/regs-timer.h>
34
35static unsigned long w90x900_gettimeoffset(void)
36{
37 return 0;
38}
39
40/*IRQ handler for the timer*/
41
42static irqreturn_t
43w90x900_timer_interrupt(int irq, void *dev_id)
44{
45 timer_tick();
46 __raw_writel(0x01, REG_TISR); /* clear TIF0 */
47 return IRQ_HANDLED;
48}
49
50static struct irqaction w90x900_timer_irq = {
51 .name = "w90x900 Timer Tick",
52 .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
53 .handler = w90x900_timer_interrupt,
54};
55
56/*Set up timer reg.*/
57
58static void w90x900_timer_setup(void)
59{
60 __raw_writel(0, REG_TCSR0);
61 __raw_writel(0, REG_TCSR1);
62 __raw_writel(0, REG_TCSR2);
63 __raw_writel(0, REG_TCSR3);
64 __raw_writel(0, REG_TCSR4);
65 __raw_writel(0x1F, REG_TISR);
66 __raw_writel(15000000/(100 * 100), REG_TICR0);
67 __raw_writel(0x68000063, REG_TCSR0);
68}
69
70static void __init w90x900_timer_init(void)
71{
72 w90x900_timer_setup();
73 setup_irq(IRQ_TIMER0, &w90x900_timer_irq);
74}
75
76struct sys_timer w90x900_timer = {
77 .init = w90x900_timer_init,
78 .offset = w90x900_gettimeoffset,
79 .resume = w90x900_timer_setup
80};
diff --git a/arch/arm/mach-w90x900/w90p910.c b/arch/arm/mach-w90x900/w90p910.c
new file mode 100644
index 000000000000..aa783bc94310
--- /dev/null
+++ b/arch/arm/mach-w90x900/w90p910.c
@@ -0,0 +1,134 @@
1/*
2 * linux/arch/arm/mach-w90x900/w90p910.c
3 *
4 * Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks
5 *
6 * Copyright (c) 2008 Nuvoton technology corporation
7 * All rights reserved.
8 *
9 * Wan ZongShun <mcuos.com@gmail.com>
10 *
11 * W90P910 cpu support
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 */
19
20#include <linux/kernel.h>
21#include <linux/types.h>
22#include <linux/interrupt.h>
23#include <linux/list.h>
24#include <linux/timer.h>
25#include <linux/init.h>
26#include <linux/platform_device.h>
27#include <linux/io.h>
28
29#include <asm/mach/arch.h>
30#include <asm/mach/map.h>
31#include <asm/mach/irq.h>
32#include <asm/irq.h>
33
34#include <mach/hardware.h>
35#include <mach/regs-serial.h>
36
37#include "cpu.h"
38
39/*W90P910 has five uarts*/
40
41#define MAX_UART_COUNT 5
42static int uart_count;
43static struct platform_device *uart_devs[MAX_UART_COUNT-1];
44
45/* Initial IO mappings */
46
47static struct map_desc w90p910_iodesc[] __initdata = {
48 IODESC_ENT(IRQ),
49 IODESC_ENT(GCR),
50 IODESC_ENT(UART),
51 IODESC_ENT(TIMER),
52 IODESC_ENT(EBI),
53 /*IODESC_ENT(LCD),*/
54};
55
56/*Init the dev resource*/
57
58static W90X900_RES(UART0);
59static W90X900_RES(UART1);
60static W90X900_RES(UART2);
61static W90X900_RES(UART3);
62static W90X900_RES(UART4);
63static W90X900_DEVICE(uart0, UART0, 0, "w90x900-uart");
64static W90X900_DEVICE(uart1, UART1, 1, "w90x900-uart");
65static W90X900_DEVICE(uart2, UART2, 2, "w90x900-uart");
66static W90X900_DEVICE(uart3, UART3, 3, "w90x900-uart");
67static W90X900_DEVICE(uart4, UART4, 4, "w90x900-uart");
68
69static struct platform_device *uart_devices[] __initdata = {
70 &w90x900_uart0,
71 &w90x900_uart1,
72 &w90x900_uart2,
73 &w90x900_uart3,
74 &w90x900_uart4
75};
76
77/*Init W90P910 uart device*/
78
79void __init w90p910_init_uarts(struct w90x900_uartcfg *cfg, int no)
80{
81 struct platform_device *platdev;
82 int uart, uartdev;
83
84 /*By min() to judge count of uart be used indeed*/
85
86 uartdev = ARRAY_SIZE(uart_devices);
87 no = min(uartdev, no);
88
89 for (uart = 0; uart < no; uart++, cfg++) {
90 if (cfg->hwport != uart)
91 printk(KERN_ERR "w90x900_uartcfg[%d] error\n", uart);
92 platdev = uart_devices[cfg->hwport];
93 uart_devs[uart] = platdev;
94 platdev->dev.platform_data = cfg;
95 }
96 uart_count = uart;
97}
98
99/*Init W90P910 evb io*/
100
101void __init w90p910_map_io(struct map_desc *mach_desc, int mach_size)
102{
103 unsigned long idcode = 0x0;
104
105 iotable_init(w90p910_iodesc, ARRAY_SIZE(w90p910_iodesc));
106
107 idcode = __raw_readl(W90X900PDID);
108 if (idcode != W90P910_CPUID)
109 printk(KERN_ERR "CPU type 0x%08lx is not W90P910\n", idcode);
110}
111
112/*Init W90P910 clock*/
113
114void __init w90p910_init_clocks(int xtal)
115{
116}
117
118static int __init w90p910_init_cpu(void)
119{
120 return 0;
121}
122
123static int __init w90x900_arch_init(void)
124{
125 int ret;
126
127 ret = w90p910_init_cpu();
128 if (ret != 0)
129 return ret;
130
131 return platform_add_devices(uart_devs, uart_count);
132
133}
134arch_initcall(w90x900_arch_init);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-08 05:10:22 -0500