aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-w90x900
diff options
context:
space:
mode:
authorwanzongshun <mcuos.com@gmail.com>2008-12-02 21:55:38 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-12-03 16:57:16 -0500
commit7ec80ddf0455ff3854a5ca524952d91b5eb676b2 (patch)
treebe9c2a70b771a9d94844b7f37e63471e7bbaff6a /arch/arm/mach-w90x900
parentc5b84b3bb0c055d70dc9f1b5e900378bc9d059ea (diff)
[ARM] 5338/1: Add Nuvoton W90P910 Platform support
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>
Diffstat (limited to 'arch/arm/mach-w90x900')
-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
21 files changed, 976 insertions, 0 deletions
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 2024-12-12 02:17:53 -0500