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ARM: remove w90x900 platform 

This removes the old Winbond w90x900 platform, also known
as Nuvoton NUC900. Wan Zongshun originally contributed
the port and maintained it since then.

From all I can tell, this platform is no longer being used
with modern kernels, based on various indications:

- The supported chips (nuc910/950/960) are no longer marketed
  by the manufacturer

- Newer chips from the same family (nuc97x, nuc980, n329x)
  that are still marketed have Linux BSPs but those were never
  submitted for upstream inclusion.

- The last patch from the platform maintainer was in 2011.

- All patches to w90x900 platform specific files afterwards
  are cleanups that were apparently done without access to
  test hardware.

- Both the website and the email address listed in the
  MAINTAINERS have become unreachable.

Link: https://lore.kernel.org/r/20190809202749.742267-17-arnd@arndb.de
Cc: "Wanzongshun (Vincent)" <wanzongshun@huawei.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2019-08-09 22:27:44 +02:00
Родитель c68b26697d
Коммит f63cf88fd8
43 изменённых файлов: 0 добавлений и 3314 удалений
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16
MAINTAINERS
Просмотреть файл

@ -2005,22 +2005,6 @@ F: drivers/*/*npcm*
F: Documentation/devicetree/bindings/*/*npcm*
F: Documentation/devicetree/bindings/*/*/*npcm*
ARM/NUVOTON W90X900 ARM ARCHITECTURE
M: Wan ZongShun <mcuos.com@gmail.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://www.mcuos.com
S: Maintained
F: arch/arm/mach-w90x900/
F: drivers/input/keyboard/w90p910_keypad.c
F: drivers/input/touchscreen/w90p910_ts.c
F: drivers/watchdog/nuc900_wdt.c
F: drivers/net/ethernet/nuvoton/w90p910_ether.c
F: drivers/mtd/nand/raw/nuc900_nand.c
F: drivers/rtc/rtc-nuc900.c
F: drivers/spi/spi-nuc900.c
F: drivers/usb/host/ehci-w90x900.c
F: drivers/video/fbdev/nuc900fb.c
ARM/OPENMOKO NEO FREERUNNER (GTA02) MACHINE SUPPORT
L: openmoko-kernel@lists.openmoko.org (subscribers-only)
W: http://wiki.openmoko.org/wiki/Neo_FreeRunner

18
arch/arm/Kconfig
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@ -450,22 +450,6 @@ config ARCH_DOVE
help
Support for the Marvell Dove SoC 88AP510
config ARCH_W90X900
bool "Nuvoton W90X900 CPU"
select CLKDEV_LOOKUP
select CLKSRC_MMIO
select CPU_ARM926T
select GENERIC_CLOCKEVENTS
select GPIOLIB
help
Support for Nuvoton (Winbond logic dept.) ARM9 processor,
At present, the w90x900 has been renamed nuc900, regarding
the ARM series product line, you can login the following
link address to know more.
<http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/
ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller>
config ARCH_LPC32XX
bool "NXP LPC32XX"
select ARM_AMBA
@ -816,8 +800,6 @@ source "arch/arm/plat-versatile/Kconfig"
source "arch/arm/mach-vt8500/Kconfig"
source "arch/arm/mach-w90x900/Kconfig"
source "arch/arm/mach-zx/Kconfig"
source "arch/arm/mach-zynq/Kconfig"

1
arch/arm/Makefile
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@ -221,7 +221,6 @@ machine-$(CONFIG_ARCH_U8500) += ux500
machine-$(CONFIG_ARCH_VERSATILE) += versatile
machine-$(CONFIG_ARCH_VEXPRESS) += vexpress
machine-$(CONFIG_ARCH_VT8500) += vt8500
machine-$(CONFIG_ARCH_W90X900) += w90x900
machine-$(CONFIG_ARCH_ZX) += zx
machine-$(CONFIG_ARCH_ZYNQ) += zynq
machine-$(CONFIG_PLAT_SPEAR) += spear

51
arch/arm/configs/nuc910_defconfig
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@ -1,51 +0,0 @@
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_RELAY=y
CONFIG_USER_NS=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_KALLSYMS_EXTRA_PASS=y
CONFIG_SLAB=y
CONFIG_ARCH_W90X900=y
CONFIG_PREEMPT=y
CONFIG_AEABI=y
CONFIG_CMDLINE="root=/dev/ram0 console=ttyS0,115200n8 rdinit=/sbin/init mem=64M"
CONFIG_KEXEC=y
CONFIG_FPE_NWFPE=y
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_PHYSMAP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=16384
CONFIG_SCSI=y
# CONFIG_SCSI_PROC_FS is not set
CONFIG_BLK_DEV_SD=y
# CONFIG_SCSI_LOWLEVEL is not set
# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
# CONFIG_DEVKMEM is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=1
# CONFIG_LEGACY_PTYS is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
# CONFIG_VGA_CONSOLE is not set
CONFIG_USB=y
CONFIG_USB_MON=y
CONFIG_USB_STORAGE=y
# CONFIG_DNOTIFY is not set
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_ROMFS_FS=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_DEBUG_FS=y
# CONFIG_CRC32 is not set

67
arch/arm/configs/nuc950_defconfig
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@ -1,67 +0,0 @@
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_RELAY=y
CONFIG_USER_NS=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_KALLSYMS_EXTRA_PASS=y
CONFIG_SLAB=y
CONFIG_ARCH_W90X900=y
# CONFIG_MACH_W90P910EVB is not set
CONFIG_MACH_W90P950EVB=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_PREEMPT=y
CONFIG_AEABI=y
CONFIG_CMDLINE="root=/dev/ram0 console=ttyS0,115200n8 rdinit=/sbin/init mem=64M"
CONFIG_KEXEC=y
CONFIG_FPE_NWFPE=y
CONFIG_BINFMT_AOUT=y
CONFIG_BINFMT_MISC=y
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_PHYSMAP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=16384
CONFIG_SCSI=y
# CONFIG_SCSI_PROC_FS is not set
CONFIG_BLK_DEV_SD=y
# CONFIG_SCSI_LOWLEVEL is not set
# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
# CONFIG_DEVKMEM is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=1
# CONFIG_LEGACY_PTYS is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_FB_NUC900=y
CONFIG_GPM1040A0_320X240=y
CONFIG_FB_NUC900_DEBUG=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
CONFIG_FONTS=y
CONFIG_FONT_8x16=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
CONFIG_USB=y
CONFIG_USB_MON=y
CONFIG_USB_STORAGE=y
# CONFIG_DNOTIFY is not set
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_ROMFS_FS=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_DEBUG_FS=y

57
arch/arm/configs/nuc960_defconfig
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@ -1,57 +0,0 @@
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_RELAY=y
CONFIG_USER_NS=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_KALLSYMS_EXTRA_PASS=y
CONFIG_SLAB=y
CONFIG_ARCH_W90X900=y
# CONFIG_MACH_W90P910EVB is not set
CONFIG_MACH_W90N960EVB=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_PREEMPT=y
CONFIG_AEABI=y
CONFIG_CMDLINE="root=/dev/ram0 console=ttyS0,115200n8 rdinit=/sbin/init mem=64M"
CONFIG_KEXEC=y
CONFIG_FPE_NWFPE=y
CONFIG_BINFMT_AOUT=y
CONFIG_BINFMT_MISC=y
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_PHYSMAP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=16384
CONFIG_SCSI=y
# CONFIG_SCSI_PROC_FS is not set
CONFIG_BLK_DEV_SD=y
# CONFIG_SCSI_LOWLEVEL is not set
# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
# CONFIG_DEVKMEM is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=1
# CONFIG_LEGACY_PTYS is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
# CONFIG_VGA_CONSOLE is not set
CONFIG_USB=y
CONFIG_USB_MON=y
CONFIG_USB_STORAGE=y
# CONFIG_DNOTIFY is not set
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_ROMFS_FS=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_DEBUG_FS=y
# CONFIG_CRC32 is not set

50
arch/arm/mach-w90x900/Kconfig
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@ -1,50 +0,0 @@
# SPDX-License-Identifier: GPL-2.0
if ARCH_W90X900
config CPU_W90P910
bool
help
Support for W90P910 of Nuvoton W90X900 CPUs.
config CPU_NUC950
bool
help
Support for NUCP950 of Nuvoton NUC900 CPUs.
config CPU_NUC960
bool
help
Support for NUCP960 of Nuvoton NUC900 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
menu "NUC950 Machines"
config MACH_W90P950EVB
bool "Nuvoton NUC950 Evaluation Board"
select CPU_NUC950
help
Say Y here if you are using the Nuvoton NUC950EVB
endmenu
menu "NUC960 Machines"
config MACH_W90N960EVB
bool "Nuvoton NUC960 Evaluation Board"
select CPU_NUC960
help
Say Y here if you are using the Nuvoton NUC960EVB
endmenu
endif

20
arch/arm/mach-w90x900/Makefile
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@ -1,20 +0,0 @@
# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
# Object file lists.
obj-y := irq.o time.o mfp.o gpio.o clock.o
obj-y += clksel.o dev.o cpu.o
# W90X900 CPU support files
obj-$(CONFIG_CPU_W90P910) += nuc910.o
obj-$(CONFIG_CPU_NUC950) += nuc950.o
obj-$(CONFIG_CPU_NUC960) += nuc960.o
# machine support
obj-$(CONFIG_MACH_W90P910EVB) += mach-nuc910evb.o
obj-$(CONFIG_MACH_W90P950EVB) += mach-nuc950evb.o
obj-$(CONFIG_MACH_W90N960EVB) += mach-nuc960evb.o

4
arch/arm/mach-w90x900/Makefile.boot
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@ -1,4 +0,0 @@
# SPDX-License-Identifier: GPL-2.0-only
zreladdr-y += 0x00008000
params_phys-y := 0x00000100

88
arch/arm/mach-w90x900/clksel.c
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@ -1,88 +0,0 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/clksel.c
*
* Copyright (c) 2008 Nuvoton technology corporation
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/string.h>
#include <linux/clk.h>
#include <linux/mutex.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <mach/regs-clock.h>
#define PLL0 0x00
#define PLL1 0x01
#define OTHER 0x02
#define EXT 0x03
#define MSOFFSET 0x0C
#define ATAOFFSET 0x0a
#define LCDOFFSET 0x06
#define AUDOFFSET 0x04
#define CPUOFFSET 0x00
static DEFINE_MUTEX(clksel_sem);
static void clock_source_select(const char *dev_id, unsigned int clkval)
{
unsigned int clksel, offset;
clksel = __raw_readl(REG_CLKSEL);
if (strcmp(dev_id, "nuc900-ms") == 0)
offset = MSOFFSET;
else if (strcmp(dev_id, "nuc900-atapi") == 0)
offset = ATAOFFSET;
else if (strcmp(dev_id, "nuc900-lcd") == 0)
offset = LCDOFFSET;
else if (strcmp(dev_id, "nuc900-ac97") == 0)
offset = AUDOFFSET;
else
offset = CPUOFFSET;
clksel &= ~(0x03 << offset);
clksel |= (clkval << offset);
__raw_writel(clksel, REG_CLKSEL);
}
void nuc900_clock_source(struct device *dev, unsigned char *src)
{
unsigned int clkval;
const char *dev_id;
BUG_ON(!src);
clkval = 0;
mutex_lock(&clksel_sem);
if (dev)
dev_id = dev_name(dev);
else
dev_id = "cpufreq";
if (strcmp(src, "pll0") == 0)
clkval = PLL0;
else if (strcmp(src, "pll1") == 0)
clkval = PLL1;
else if (strcmp(src, "ext") == 0)
clkval = EXT;
else if (strcmp(src, "oth") == 0)
clkval = OTHER;
clock_source_select(dev_id, clkval);
mutex_unlock(&clksel_sem);
}
EXPORT_SYMBOL(nuc900_clock_source);

121
arch/arm/mach-w90x900/clock.c
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@ -1,121 +0,0 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/clock.c
*
* Copyright (c) 2008 Nuvoton technology corporation
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/string.h>
#include <linux/clk.h>
#include <linux/spinlock.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include "clock.h"
#define SUBCLK 0x24
static DEFINE_SPINLOCK(clocks_lock);
int clk_enable(struct clk *clk)
{
unsigned long flags;
spin_lock_irqsave(&clocks_lock, flags);
if (clk->enabled++ == 0)
(clk->enable)(clk, 1);
spin_unlock_irqrestore(&clocks_lock, flags);
return 0;
}
EXPORT_SYMBOL(clk_enable);
void clk_disable(struct clk *clk)
{
unsigned long flags;
if (!clk)
return;
WARN_ON(clk->enabled == 0);
spin_lock_irqsave(&clocks_lock, flags);
if (--clk->enabled == 0)
(clk->enable)(clk, 0);
spin_unlock_irqrestore(&clocks_lock, flags);
}
EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
return 15000000;
}
EXPORT_SYMBOL(clk_get_rate);
void nuc900_clk_enable(struct clk *clk, int enable)
{
unsigned int clocks = clk->cken;
unsigned long clken;
clken = __raw_readl(W90X900_VA_CLKPWR);
if (enable)
clken |= clocks;
else
clken &= ~clocks;
__raw_writel(clken, W90X900_VA_CLKPWR);
}
void nuc900_subclk_enable(struct clk *clk, int enable)
{
unsigned int clocks = clk->cken;
unsigned long clken;
clken = __raw_readl(W90X900_VA_CLKPWR + SUBCLK);
if (enable)
clken |= clocks;
else
clken &= ~clocks;
__raw_writel(clken, W90X900_VA_CLKPWR + SUBCLK);
}
/* dummy functions, should not be called */
long clk_round_rate(struct clk *clk, unsigned long rate)
{
WARN_ON(clk);
return 0;
}
EXPORT_SYMBOL(clk_round_rate);
int clk_set_rate(struct clk *clk, unsigned long rate)
{
WARN_ON(clk);
return 0;
}
EXPORT_SYMBOL(clk_set_rate);
int clk_set_parent(struct clk *clk, struct clk *parent)
{
WARN_ON(clk);
return 0;
}
EXPORT_SYMBOL(clk_set_parent);
struct clk *clk_get_parent(struct clk *clk)
{
WARN_ON(clk);
return NULL;
}
EXPORT_SYMBOL(clk_get_parent);

40
arch/arm/mach-w90x900/clock.h
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@ -1,40 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/arch/arm/mach-w90x900/clock.h
*
* Copyright (c) 2008 Nuvoton technology corporation
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#include <linux/clkdev.h>
void nuc900_clk_enable(struct clk *clk, int enable);
void nuc900_subclk_enable(struct clk *clk, int enable);
struct clk {
unsigned long cken;
unsigned int enabled;
void (*enable)(struct clk *, int enable);
};
#define DEFINE_CLK(_name, _ctrlbit) \
struct clk clk_##_name = { \
.enable = nuc900_clk_enable, \
.cken = (1 << _ctrlbit), \
}
#define DEFINE_SUBCLK(_name, _ctrlbit) \
struct clk clk_##_name = { \
.enable = nuc900_subclk_enable, \
.cken = (1 << _ctrlbit), \
}
#define DEF_CLKLOOK(_clk, _devname, _conname) \
{ \
.clk = _clk, \
.dev_id = _devname, \
.con_id = _conname, \
}

238
arch/arm/mach-w90x900/cpu.c
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@ -1,238 +0,0 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/cpu.c
*
* Copyright (c) 2009 Nuvoton corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* NUC900 series cpu common support
*/
#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 <linux/serial_8250.h>
#include <linux/delay.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/irq.h>
#include <asm/system_misc.h>
#include <mach/hardware.h>
#include <mach/regs-serial.h>
#include <mach/regs-clock.h>
#include "regs-ebi.h"
#include "regs-timer.h"
#include "cpu.h"
#include "clock.h"
#include "nuc9xx.h"
/* Initial IO mappings */
static struct map_desc nuc900_iodesc[] __initdata = {
IODESC_ENT(IRQ),
IODESC_ENT(GCR),
IODESC_ENT(UART),
IODESC_ENT(TIMER),
IODESC_ENT(EBI),
IODESC_ENT(GPIO),
};
/* Initial clock declarations. */
static DEFINE_CLK(lcd, 0);
static DEFINE_CLK(audio, 1);
static DEFINE_CLK(fmi, 4);
static DEFINE_SUBCLK(ms, 0);
static DEFINE_SUBCLK(sd, 1);
static DEFINE_CLK(dmac, 5);
static DEFINE_CLK(atapi, 6);
static DEFINE_CLK(emc, 7);
static DEFINE_SUBCLK(rmii, 2);
static DEFINE_CLK(usbd, 8);
static DEFINE_CLK(usbh, 9);
static DEFINE_CLK(g2d, 10);
static DEFINE_CLK(pwm, 18);
static DEFINE_CLK(ps2, 24);
static DEFINE_CLK(kpi, 25);
static DEFINE_CLK(wdt, 26);
static DEFINE_CLK(gdma, 27);
static DEFINE_CLK(adc, 28);
static DEFINE_CLK(usi, 29);
static DEFINE_CLK(ext, 0);
static DEFINE_CLK(timer0, 19);
static DEFINE_CLK(timer1, 20);
static DEFINE_CLK(timer2, 21);
static DEFINE_CLK(timer3, 22);
static DEFINE_CLK(timer4, 23);
static struct clk_lookup nuc900_clkregs[] = {
DEF_CLKLOOK(&clk_lcd, "nuc900-lcd", NULL),
DEF_CLKLOOK(&clk_audio, "nuc900-ac97", NULL),
DEF_CLKLOOK(&clk_fmi, "nuc900-fmi", NULL),
DEF_CLKLOOK(&clk_ms, "nuc900-fmi", "MS"),
DEF_CLKLOOK(&clk_sd, "nuc900-fmi", "SD"),
DEF_CLKLOOK(&clk_dmac, "nuc900-dmac", NULL),
DEF_CLKLOOK(&clk_atapi, "nuc900-atapi", NULL),
DEF_CLKLOOK(&clk_emc, "nuc900-emc", NULL),
DEF_CLKLOOK(&clk_rmii, "nuc900-emc", "RMII"),
DEF_CLKLOOK(&clk_usbd, "nuc900-usbd", NULL),
DEF_CLKLOOK(&clk_usbh, "nuc900-usbh", NULL),
DEF_CLKLOOK(&clk_g2d, "nuc900-g2d", NULL),
DEF_CLKLOOK(&clk_pwm, "nuc900-pwm", NULL),
DEF_CLKLOOK(&clk_ps2, "nuc900-ps2", NULL),
DEF_CLKLOOK(&clk_kpi, "nuc900-kpi", NULL),
DEF_CLKLOOK(&clk_wdt, "nuc900-wdt", NULL),
DEF_CLKLOOK(&clk_gdma, "nuc900-gdma", NULL),
DEF_CLKLOOK(&clk_adc, "nuc900-ts", NULL),
DEF_CLKLOOK(&clk_usi, "nuc900-spi", NULL),
DEF_CLKLOOK(&clk_ext, NULL, "ext"),
DEF_CLKLOOK(&clk_timer0, NULL, "timer0"),
DEF_CLKLOOK(&clk_timer1, NULL, "timer1"),
DEF_CLKLOOK(&clk_timer2, NULL, "timer2"),
DEF_CLKLOOK(&clk_timer3, NULL, "timer3"),
DEF_CLKLOOK(&clk_timer4, NULL, "timer4"),
};
/* Initial serial platform data */
struct plat_serial8250_port nuc900_uart_data[] = {
NUC900_8250PORT(UART0),
{},
};
struct platform_device nuc900_serial_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = nuc900_uart_data,
},
};
/*Set NUC900 series cpu frequence*/
static int __init nuc900_set_clkval(unsigned int cpufreq)
{
unsigned int pllclk, ahbclk, apbclk, val;
pllclk = 0;
ahbclk = 0;
apbclk = 0;
switch (cpufreq) {
case 66:
pllclk = PLL_66MHZ;
ahbclk = AHB_CPUCLK_1_1;
apbclk = APB_AHB_1_2;
break;
case 100:
pllclk = PLL_100MHZ;
ahbclk = AHB_CPUCLK_1_1;
apbclk = APB_AHB_1_2;
break;
case 120:
pllclk = PLL_120MHZ;
ahbclk = AHB_CPUCLK_1_2;
apbclk = APB_AHB_1_2;
break;
case 166:
pllclk = PLL_166MHZ;
ahbclk = AHB_CPUCLK_1_2;
apbclk = APB_AHB_1_2;
break;
case 200:
pllclk = PLL_200MHZ;
ahbclk = AHB_CPUCLK_1_2;
apbclk = APB_AHB_1_2;
break;
}
__raw_writel(pllclk, REG_PLLCON0);
val = __raw_readl(REG_CLKDIV);
val &= ~(0x03 << 24 | 0x03 << 26);
val |= (ahbclk << 24 | apbclk << 26);
__raw_writel(val, REG_CLKDIV);
return 0;
}
static int __init nuc900_set_cpufreq(char *str)
{
unsigned long cpufreq, val;
if (!*str)
return 0;
if (kstrtoul(str, 0, &cpufreq))
return 0;
nuc900_clock_source(NULL, "ext");
nuc900_set_clkval(cpufreq);
mdelay(1);
val = __raw_readl(REG_CKSKEW);
val &= ~0xff;
val |= DEFAULTSKEW;
__raw_writel(val, REG_CKSKEW);
nuc900_clock_source(NULL, "pll0");
return 1;
}
__setup("cpufreq=", nuc900_set_cpufreq);
/*Init NUC900 evb io*/
void __init nuc900_map_io(struct map_desc *mach_desc, int mach_size)
{
unsigned long idcode = 0x0;
iotable_init(mach_desc, mach_size);
iotable_init(nuc900_iodesc, ARRAY_SIZE(nuc900_iodesc));
idcode = __raw_readl(NUC900PDID);
if (idcode == NUC910_CPUID)
printk(KERN_INFO "CPU type 0x%08lx is NUC910\n", idcode);
else if (idcode == NUC920_CPUID)
printk(KERN_INFO "CPU type 0x%08lx is NUC920\n", idcode);
else if (idcode == NUC950_CPUID)
printk(KERN_INFO "CPU type 0x%08lx is NUC950\n", idcode);
else if (idcode == NUC960_CPUID)
printk(KERN_INFO "CPU type 0x%08lx is NUC960\n", idcode);
}
/*Init NUC900 clock*/
void __init nuc900_init_clocks(void)
{
clkdev_add_table(nuc900_clkregs, ARRAY_SIZE(nuc900_clkregs));
}
#define WTCR (TMR_BA + 0x1C)
#define WTCLK (1 << 10)
#define WTE (1 << 7)
#define WTRE (1 << 1)
void nuc9xx_restart(enum reboot_mode mode, const char *cmd)
{
if (mode == REBOOT_SOFT) {
/* Jump into ROM at address 0 */
soft_restart(0);
} else {
__raw_writel(WTE | WTRE | WTCLK, WTCR);
}
}

56
arch/arm/mach-w90x900/cpu.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* 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 NUC900 CPU support
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#define IODESC_ENT(y) \
{ \
.virtual = (unsigned long)W90X900_VA_##y, \
.pfn = __phys_to_pfn(W90X900_PA_##y), \
.length = W90X900_SZ_##y, \
.type = MT_DEVICE, \
}
#define NUC900_8250PORT(name) \
{ \
.membase = name##_BA, \
.mapbase = name##_PA, \
.irq = IRQ_##name, \
.uartclk = 11313600, \
.regshift = 2, \
.iotype = UPIO_MEM, \
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \
}
/*Cpu identifier register*/
#define NUC900PDID W90X900_VA_GCR
#define NUC910_CPUID 0x02900910
#define NUC920_CPUID 0x02900920
#define NUC950_CPUID 0x02900950
#define NUC960_CPUID 0x02900960
/* extern file from cpu.c */
extern void nuc900_clock_source(struct device *dev, unsigned char *src);
extern void nuc900_init_clocks(void);
extern void nuc900_map_io(struct map_desc *mach_desc, int mach_size);
extern void nuc900_board_init(struct platform_device **device, int size);
/* for either public between 910 and 920, or between 920 and 950 */
extern struct platform_device nuc900_serial_device;
extern struct platform_device nuc900_device_fmi;
extern struct platform_device nuc900_device_kpi;
extern struct platform_device nuc900_device_rtc;
extern struct platform_device nuc900_device_ts;
extern struct platform_device nuc900_device_lcd;

537
arch/arm/mach-w90x900/dev.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/dev.c
*
* Copyright (C) 2009 Nuvoton corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#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/slab.h>
#include <linux/cpu.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <asm/system_misc.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 <linux/platform_data/spi-nuc900.h>
#include <mach/map.h>
#include <linux/platform_data/video-nuc900fb.h>
#include <mach/regs-ldm.h>
#include <linux/platform_data/keypad-w90p910.h>
#include "cpu.h"
/*NUC900 evb norflash driver data */
#define NUC900_FLASH_BASE 0xA0000000
#define NUC900_FLASH_SIZE 0x400000
#define SPIOFFSET 0x200
#define SPIOREG_SIZE 0x100
static struct mtd_partition nuc900_flash_partitions[] = {
{
.name = "NOR Partition 1 for kernel (960K)",
.size = 0xF0000,
.offset = 0x10000,
},
{
.name = "NOR Partition 2 for image (1M)",
.size = 0x100000,
.offset = 0x100000,
},
{
.name = "NOR Partition 3 for user (2M)",
.size = 0x200000,
.offset = 0x00200000,
}
};
static struct physmap_flash_data nuc900_flash_data = {
.width = 2,
.parts = nuc900_flash_partitions,
.nr_parts = ARRAY_SIZE(nuc900_flash_partitions),
};
static struct resource nuc900_flash_resources[] = {
{
.start = NUC900_FLASH_BASE,
.end = NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device nuc900_flash_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &nuc900_flash_data,
},
.resource = nuc900_flash_resources,
.num_resources = ARRAY_SIZE(nuc900_flash_resources),
};
/* USB EHCI Host Controller */
static struct resource nuc900_usb_ehci_resource[] = {
[0] = {
.start = W90X900_PA_USBEHCIHOST,
.end = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_USBH,
.end = IRQ_USBH,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
static struct platform_device nuc900_device_usb_ehci = {
.name = "nuc900-ehci",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_usb_ehci_resource),
.resource = nuc900_usb_ehci_resource,
.dev = {
.dma_mask = &nuc900_device_usb_ehci_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
/* USB OHCI Host Controller */
static struct resource nuc900_usb_ohci_resource[] = {
[0] = {
.start = W90X900_PA_USBOHCIHOST,
.end = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_USBH,
.end = IRQ_USBH,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
static struct platform_device nuc900_device_usb_ohci = {
.name = "nuc900-ohci",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_usb_ohci_resource),
.resource = nuc900_usb_ohci_resource,
.dev = {
.dma_mask = &nuc900_device_usb_ohci_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
/* USB Device (Gadget)*/
static struct resource nuc900_usbgadget_resource[] = {
[0] = {
.start = W90X900_PA_USBDEV,
.end = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_USBD,
.end = IRQ_USBD,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device nuc900_device_usbgadget = {
.name = "nuc900-usbgadget",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_usbgadget_resource),
.resource = nuc900_usbgadget_resource,
};
/* MAC device */
static struct resource nuc900_emc_resource[] = {
[0] = {
.start = W90X900_PA_EMC,
.end = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_EMCTX,
.end = IRQ_EMCTX,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_EMCRX,
.end = IRQ_EMCRX,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
static struct platform_device nuc900_device_emc = {
.name = "nuc900-emc",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_emc_resource),
.resource = nuc900_emc_resource,
.dev = {
.dma_mask = &nuc900_device_emc_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
/* SPI device */
static struct nuc900_spi_info nuc900_spiflash_data = {
.num_cs = 1,
.lsb = 0,
.txneg = 1,
.rxneg = 0,
.divider = 24,
.sleep = 0,
.txnum = 0,
.txbitlen = 8,
.bus_num = 0,
};
static struct resource nuc900_spi_resource[] = {
[0] = {
.start = W90X900_PA_I2C + SPIOFFSET,
.end = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_SSP,
.end = IRQ_SSP,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device nuc900_device_spi = {
.name = "nuc900-spi",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_spi_resource),
.resource = nuc900_spi_resource,
.dev = {
.platform_data = &nuc900_spiflash_data,
}
};
/* spi device, spi flash info */
static struct mtd_partition nuc900_spi_flash_partitions[] = {
{
.name = "bootloader(spi)",
.size = 0x0100000,
.offset = 0,
},
};
static struct flash_platform_data nuc900_spi_flash_data = {
.name = "m25p80",
.parts = nuc900_spi_flash_partitions,
.nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
.type = "w25x16",
};
static struct spi_board_info nuc900_spi_board_info[] __initdata = {
{
.modalias = "m25p80",
.max_speed_hz = 20000000,
.bus_num = 0,
.chip_select = 0,
.platform_data = &nuc900_spi_flash_data,
.mode = SPI_MODE_0,
},
};
/* WDT Device */
static struct resource nuc900_wdt_resource[] = {
[0] = {
.start = W90X900_PA_TIMER,
.end = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_WDT,
.end = IRQ_WDT,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device nuc900_device_wdt = {
.name = "nuc900-wdt",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_wdt_resource),
.resource = nuc900_wdt_resource,
};
/*
* public device definition between 910 and 920, or 910
* and 950 or 950 and 960...,their dev platform register
* should be in specific file such as nuc950, nuc960 c
* files rather than the public dev.c file here. so the
* corresponding platform_device definition should not be
* static.
*/
/* RTC controller*/
static struct resource nuc900_rtc_resource[] = {
[0] = {
.start = W90X900_PA_RTC,
.end = W90X900_PA_RTC + 0xff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_RTC,
.end = IRQ_RTC,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device nuc900_device_rtc = {
.name = "nuc900-rtc",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_rtc_resource),
.resource = nuc900_rtc_resource,
};
/*TouchScreen controller*/
static struct resource nuc900_ts_resource[] = {
[0] = {
.start = W90X900_PA_ADC,
.end = W90X900_PA_ADC + W90X900_SZ_ADC-1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_ADC,
.end = IRQ_ADC,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device nuc900_device_ts = {
.name = "nuc900-ts",
.id = -1,
.resource = nuc900_ts_resource,
.num_resources = ARRAY_SIZE(nuc900_ts_resource),
};
/* FMI Device */
static struct resource nuc900_fmi_resource[] = {
[0] = {
.start = W90X900_PA_FMI,
.end = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_FMI,
.end = IRQ_FMI,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc900_device_fmi = {
.name = "nuc900-fmi",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_fmi_resource),
.resource = nuc900_fmi_resource,
};
/* KPI controller*/
static int nuc900_keymap[] = {
KEY(0, 0, KEY_A),
KEY(0, 1, KEY_B),
KEY(0, 2, KEY_C),
KEY(0, 3, KEY_D),
KEY(1, 0, KEY_E),
KEY(1, 1, KEY_F),
KEY(1, 2, KEY_G),
KEY(1, 3, KEY_H),
KEY(2, 0, KEY_I),
KEY(2, 1, KEY_J),
KEY(2, 2, KEY_K),
KEY(2, 3, KEY_L),
KEY(3, 0, KEY_M),
KEY(3, 1, KEY_N),
KEY(3, 2, KEY_O),
KEY(3, 3, KEY_P),
};
static struct matrix_keymap_data nuc900_map_data = {
.keymap = nuc900_keymap,
.keymap_size = ARRAY_SIZE(nuc900_keymap),
};
struct w90p910_keypad_platform_data nuc900_keypad_info = {
.keymap_data = &nuc900_map_data,
.prescale = 0xfa,
.debounce = 0x50,
};
static struct resource nuc900_kpi_resource[] = {
[0] = {
.start = W90X900_PA_KPI,
.end = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_KPI,
.end = IRQ_KPI,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc900_device_kpi = {
.name = "nuc900-kpi",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_kpi_resource),
.resource = nuc900_kpi_resource,
.dev = {
.platform_data = &nuc900_keypad_info,
}
};
/* LCD controller*/
static struct nuc900fb_display nuc900_lcd_info[] = {
/* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
[0] = {
.type = LCM_DCCS_VA_SRC_RGB565,
.width = 320,
.height = 240,
.xres = 320,
.yres = 240,
.bpp = 16,
.pixclock = 200000,
.left_margin = 34,
.right_margin = 54,
.hsync_len = 10,
.upper_margin = 18,
.lower_margin = 4,
.vsync_len = 1,
.dccs = 0x8e00041a,
.devctl = 0x060800c0,
.fbctrl = 0x00a000a0,
.scale = 0x04000400,
},
};
static struct nuc900fb_mach_info nuc900_fb_info = {
#if defined(CONFIG_GPM1040A0_320X240)
.displays = &nuc900_lcd_info[0],
#else
.displays = nuc900_lcd_info,
#endif
.num_displays = ARRAY_SIZE(nuc900_lcd_info),
.default_display = 0,
.gpio_dir = 0x00000004,
.gpio_dir_mask = 0xFFFFFFFD,
.gpio_data = 0x00000004,
.gpio_data_mask = 0xFFFFFFFD,
};
static struct resource nuc900_lcd_resource[] = {
[0] = {
.start = W90X900_PA_LCD,
.end = W90X900_PA_LCD + W90X900_SZ_LCD - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_LCD,
.end = IRQ_LCD,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc900_device_lcd_dmamask = -1;
struct platform_device nuc900_device_lcd = {
.name = "nuc900-lcd",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_lcd_resource),
.resource = nuc900_lcd_resource,
.dev = {
.dma_mask = &nuc900_device_lcd_dmamask,
.coherent_dma_mask = -1,
.platform_data = &nuc900_fb_info,
}
};
/* AUDIO controller*/
static u64 nuc900_device_audio_dmamask = -1;
static struct resource nuc900_ac97_resource[] = {
[0] = {
.start = W90X900_PA_ACTL,
.end = W90X900_PA_ACTL + W90X900_SZ_ACTL - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_ACTL,
.end = IRQ_ACTL,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc900_device_ac97 = {
.name = "nuc900-ac97",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_ac97_resource),
.resource = nuc900_ac97_resource,
.dev = {
.dma_mask = &nuc900_device_audio_dmamask,
.coherent_dma_mask = -1,
}
};
/*Here should be your evb resourse,such as LCD*/
static struct platform_device *nuc900_public_dev[] __initdata = {
&nuc900_serial_device,
&nuc900_flash_device,
&nuc900_device_usb_ehci,
&nuc900_device_usb_ohci,
&nuc900_device_usbgadget,
&nuc900_device_emc,
&nuc900_device_spi,
&nuc900_device_wdt,
&nuc900_device_ac97,
};
/* Provide adding specific CPU platform devices API */
void __init nuc900_board_init(struct platform_device **device, int size)
{
cpu_idle_poll_ctrl(true);
platform_add_devices(device, size);
platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
spi_register_board_info(nuc900_spi_board_info,
ARRAY_SIZE(nuc900_spi_board_info));
}

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arch/arm/mach-w90x900/gpio.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/gpio.c
*
* Generic nuc900 GPIO handling
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#include <linux/clk.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/gpio/driver.h>
#include <mach/hardware.h>
#define GPIO_BASE (W90X900_VA_GPIO)
#define GPIO_DIR (0x04)
#define GPIO_OUT (0x08)
#define GPIO_IN (0x0C)
#define GROUPINERV (0x10)
#define GPIO_GPIO(Nb) (0x00000001 << (Nb))
#define NUC900_GPIO_CHIP(name, base_gpio, nr_gpio) \
{ \
.chip = { \
.label = name, \
.direction_input = nuc900_dir_input, \
.direction_output = nuc900_dir_output, \
.get = nuc900_gpio_get, \
.set = nuc900_gpio_set, \
.base = base_gpio, \
.ngpio = nr_gpio, \
} \
}
struct nuc900_gpio_chip {
struct gpio_chip chip;
void __iomem *regbase; /* Base of group register*/
spinlock_t gpio_lock;
};
static int nuc900_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct nuc900_gpio_chip *nuc900_gpio = gpiochip_get_data(chip);
void __iomem *pio = nuc900_gpio->regbase + GPIO_IN;
unsigned int regval;
regval = __raw_readl(pio);
regval &= GPIO_GPIO(offset);
return (regval != 0);
}
static void nuc900_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
{
struct nuc900_gpio_chip *nuc900_gpio = gpiochip_get_data(chip);
void __iomem *pio = nuc900_gpio->regbase + GPIO_OUT;
unsigned int regval;
unsigned long flags;
spin_lock_irqsave(&nuc900_gpio->gpio_lock, flags);
regval = __raw_readl(pio);
if (val)
regval |= GPIO_GPIO(offset);
else
regval &= ~GPIO_GPIO(offset);
__raw_writel(regval, pio);
spin_unlock_irqrestore(&nuc900_gpio->gpio_lock, flags);
}
static int nuc900_dir_input(struct gpio_chip *chip, unsigned offset)
{
struct nuc900_gpio_chip *nuc900_gpio = gpiochip_get_data(chip);
void __iomem *pio = nuc900_gpio->regbase + GPIO_DIR;
unsigned int regval;
unsigned long flags;
spin_lock_irqsave(&nuc900_gpio->gpio_lock, flags);
regval = __raw_readl(pio);
regval &= ~GPIO_GPIO(offset);
__raw_writel(regval, pio);
spin_unlock_irqrestore(&nuc900_gpio->gpio_lock, flags);
return 0;
}
static int nuc900_dir_output(struct gpio_chip *chip, unsigned offset, int val)
{
struct nuc900_gpio_chip *nuc900_gpio = gpiochip_get_data(chip);
void __iomem *outreg = nuc900_gpio->regbase + GPIO_OUT;
void __iomem *pio = nuc900_gpio->regbase + GPIO_DIR;
unsigned int regval;
unsigned long flags;
spin_lock_irqsave(&nuc900_gpio->gpio_lock, flags);
regval = __raw_readl(pio);
regval |= GPIO_GPIO(offset);
__raw_writel(regval, pio);
regval = __raw_readl(outreg);
if (val)
regval |= GPIO_GPIO(offset);
else
regval &= ~GPIO_GPIO(offset);
__raw_writel(regval, outreg);
spin_unlock_irqrestore(&nuc900_gpio->gpio_lock, flags);
return 0;
}
static struct nuc900_gpio_chip nuc900_gpio[] = {
NUC900_GPIO_CHIP("GROUPC", 0, 16),
NUC900_GPIO_CHIP("GROUPD", 16, 10),
NUC900_GPIO_CHIP("GROUPE", 26, 14),
NUC900_GPIO_CHIP("GROUPF", 40, 10),
NUC900_GPIO_CHIP("GROUPG", 50, 17),
NUC900_GPIO_CHIP("GROUPH", 67, 8),
NUC900_GPIO_CHIP("GROUPI", 75, 17),
};
void __init nuc900_init_gpio(int nr_group)
{
unsigned i;
struct nuc900_gpio_chip *gpio_chip;
for (i = 0; i < nr_group; i++) {
gpio_chip = &nuc900_gpio[i];
spin_lock_init(&gpio_chip->gpio_lock);
gpio_chip->regbase = GPIO_BASE + i * GROUPINERV;
gpiochip_add_data(&gpio_chip->chip, gpio_chip);
}
}

26
arch/arm/mach-w90x900/include/mach/entry-macro.S
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/*
* 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 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

19
arch/arm/mach-w90x900/include/mach/hardware.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* 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
*/
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
#include <linux/sizes.h>
#include <mach/map.h>
#endif /* __ASM_ARCH_HARDWARE_H */

82
arch/arm/mach-w90x900/include/mach/irqs.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-w90x900/include/mach/irqs.h
*
* Copyright (c) 2008 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/irqs.h
*/
#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_GROUP0 W90X900_IRQ(2)
#define IRQ_GROUP1 W90X900_IRQ(3)
#define IRQ_ACTL W90X900_IRQ(4)
#define IRQ_LCD W90X900_IRQ(5)
#define IRQ_RTC W90X900_IRQ(6)
#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_USBH W90X900_IRQ(15)
#define IRQ_EMCTX W90X900_IRQ(16)
#define IRQ_EMCRX W90X900_IRQ(17)
#define IRQ_GDMAGROUP W90X900_IRQ(18)
#define IRQ_DMAC W90X900_IRQ(19)
#define IRQ_FMI W90X900_IRQ(20)
#define IRQ_USBD W90X900_IRQ(21)
#define IRQ_ATAPI W90X900_IRQ(22)
#define IRQ_G2D W90X900_IRQ(23)
#define IRQ_PCI W90X900_IRQ(24)
#define IRQ_SCGROUP W90X900_IRQ(25)
#define IRQ_I2CGROUP W90X900_IRQ(26)
#define IRQ_SSP W90X900_IRQ(27)
#define IRQ_PWM W90X900_IRQ(28)
#define IRQ_KPI W90X900_IRQ(29)
#define IRQ_P2SGROUP W90X900_IRQ(30)
#define IRQ_ADC W90X900_IRQ(31)
#define NR_IRQS (IRQ_ADC+1)
/*for irq group*/
#define IRQ_PS2_PORT0 0x10000000
#define IRQ_PS2_PORT1 0x20000000
#define IRQ_I2C_LINE0 0x04000000
#define IRQ_I2C_LINE1 0x08000000
#define IRQ_SC_CARD0 0x01000000
#define IRQ_SC_CARD1 0x02000000
#define IRQ_GDMA_CH0 0x00100000
#define IRQ_GDMA_CH1 0x00200000
#define IRQ_TIMER2 0x00010000
#define IRQ_TIMER3 0x00020000
#define IRQ_TIMER4 0x00040000
#define IRQ_GROUP0_IRQ0 0x00000001
#define IRQ_GROUP0_IRQ1 0x00000002
#define IRQ_GROUP0_IRQ2 0x00000004
#define IRQ_GROUP0_IRQ3 0x00000008
#define IRQ_GROUP1_IRQ4 0x00000010
#define IRQ_GROUP1_IRQ5 0x00000020
#define IRQ_GROUP1_IRQ6 0x00000040
#define IRQ_GROUP1_IRQ7 0x00000080
#endif /* __ASM_ARCH_IRQ_H */

153
arch/arm/mach-w90x900/include/mach/map.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-w90x900/include/mach/map.h
*
* Copyright (c) 2008 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/map.h
*/
#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
/* GDMA control */
#define W90X900_VA_GDMA W90X900_ADDR(0x00004000)
#define W90X900_PA_GDMA (0xB0004000)
#define W90X900_SZ_GDMA SZ_4K
/* USB host controller*/
#define W90X900_VA_USBEHCIHOST W90X900_ADDR(0x00005000)
#define W90X900_PA_USBEHCIHOST (0xB0005000)
#define W90X900_SZ_USBEHCIHOST SZ_4K
#define W90X900_VA_USBOHCIHOST W90X900_ADDR(0x00007000)
#define W90X900_PA_USBOHCIHOST (0xB0007000)
#define W90X900_SZ_USBOHCIHOST SZ_4K
/* I2C hardware controller */
#define W90X900_VA_I2C W90X900_ADDR(0x08006000)
#define W90X900_PA_I2C (0xB8006000)
#define W90X900_SZ_I2C SZ_4K
/* Keypad Interface*/
#define W90X900_VA_KPI W90X900_ADDR(0x08008000)
#define W90X900_PA_KPI (0xB8008000)
#define W90X900_SZ_KPI SZ_4K
/* Smart card host*/
#define W90X900_VA_SC W90X900_ADDR(0x08005000)
#define W90X900_PA_SC (0xB8005000)
#define W90X900_SZ_SC SZ_4K
/* LCD controller*/
#define W90X900_VA_LCD W90X900_ADDR(0x00008000)
#define W90X900_PA_LCD (0xB0008000)
#define W90X900_SZ_LCD SZ_4K
/* 2D controller*/
#define W90X900_VA_GE W90X900_ADDR(0x0000B000)
#define W90X900_PA_GE (0xB000B000)
#define W90X900_SZ_GE SZ_4K
/* ATAPI */
#define W90X900_VA_ATAPI W90X900_ADDR(0x0000A000)
#define W90X900_PA_ATAPI (0xB000A000)
#define W90X900_SZ_ATAPI SZ_4K
/* ADC */
#define W90X900_VA_ADC W90X900_ADDR(0x0800A000)
#define W90X900_PA_ADC (0xB800A000)
#define W90X900_SZ_ADC SZ_4K
/* PS2 Interface*/
#define W90X900_VA_PS2 W90X900_ADDR(0x08009000)
#define W90X900_PA_PS2 (0xB8009000)
#define W90X900_SZ_PS2 SZ_4K
/* RTC */
#define W90X900_VA_RTC W90X900_ADDR(0x08004000)
#define W90X900_PA_RTC (0xB8004000)
#define W90X900_SZ_RTC SZ_4K
/* Pulse Width Modulation(PWM) Registers */
#define W90X900_VA_PWM W90X900_ADDR(0x08007000)
#define W90X900_PA_PWM (0xB8007000)
#define W90X900_SZ_PWM SZ_4K
/* Audio Controller controller */
#define W90X900_VA_ACTL W90X900_ADDR(0x00009000)
#define W90X900_PA_ACTL (0xB0009000)
#define W90X900_SZ_ACTL SZ_4K
/* DMA controller */
#define W90X900_VA_DMA W90X900_ADDR(0x0000c000)
#define W90X900_PA_DMA (0xB000c000)
#define W90X900_SZ_DMA SZ_4K
/* FMI controller */
#define W90X900_VA_FMI W90X900_ADDR(0x0000d000)
#define W90X900_PA_FMI (0xB000d000)
#define W90X900_SZ_FMI SZ_4K
/* USB Device port */
#define W90X900_VA_USBDEV W90X900_ADDR(0x00006000)
#define W90X900_PA_USBDEV (0xB0006000)
#define W90X900_SZ_USBDEV SZ_4K
/* External MAC control*/
#define W90X900_VA_EMC W90X900_ADDR(0x00003000)
#define W90X900_PA_EMC (0xB0003000)
#define W90X900_SZ_EMC SZ_4K
#endif /* __ASM_ARCH_MAP_H */

21
arch/arm/mach-w90x900/include/mach/mfp.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-w90x900/include/mach/mfp.h
*
* Copyright (c) 2010 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* Based on arch/arm/mach-s3c2410/include/mach/map.h
*/
#ifndef __ASM_ARCH_MFP_H
#define __ASM_ARCH_MFP_H
extern void mfp_set_groupf(struct device *dev);
extern void mfp_set_groupc(struct device *dev);
extern void mfp_set_groupi(struct device *dev);
extern void mfp_set_groupg(struct device *dev, const char *subname);
extern void mfp_set_groupd(struct device *dev, const char *subname);
#endif /* __ASM_ARCH_MFP_H */

49
arch/arm/mach-w90x900/include/mach/regs-clock.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-w90x900/include/mach/regs-clock.h
*
* Copyright (c) 2008 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#ifndef __ASM_ARCH_REGS_CLOCK_H
#define __ASM_ARCH_REGS_CLOCK_H
/* Clock Control Registers */
#define CLK_BA W90X900_VA_CLKPWR
#define REG_CLKEN (CLK_BA + 0x00)
#define REG_CLKSEL (CLK_BA + 0x04)
#define REG_CLKDIV (CLK_BA + 0x08)
#define REG_PLLCON0 (CLK_BA + 0x0C)
#define REG_PLLCON1 (CLK_BA + 0x10)
#define REG_PMCON (CLK_BA + 0x14)
#define REG_IRQWAKECON (CLK_BA + 0x18)
#define REG_IRQWAKEFLAG (CLK_BA + 0x1C)
#define REG_IPSRST (CLK_BA + 0x20)
#define REG_CLKEN1 (CLK_BA + 0x24)
#define REG_CLKDIV1 (CLK_BA + 0x28)
/* Define PLL freq setting */
#define PLL_DISABLE 0x12B63
#define PLL_66MHZ 0x2B63
#define PLL_100MHZ 0x4F64
#define PLL_120MHZ 0x4F63
#define PLL_166MHZ 0x4124
#define PLL_200MHZ 0x4F24
/* Define AHB:CPUFREQ ratio */
#define AHB_CPUCLK_1_1 0x00
#define AHB_CPUCLK_1_2 0x01
#define AHB_CPUCLK_1_4 0x02
#define AHB_CPUCLK_1_8 0x03
/* Define APB:AHB ratio */
#define APB_AHB_1_2 0x01
#define APB_AHB_1_4 0x02
#define APB_AHB_1_8 0x03
/* Define clock skew */
#define DEFAULTSKEW 0x48
#endif /* __ASM_ARCH_REGS_CLOCK_H */

46
arch/arm/mach-w90x900/include/mach/regs-irq.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* 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
*/
#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 */

248
arch/arm/mach-w90x900/include/mach/regs-ldm.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* arch/arm/mach-w90x900/include/mach/regs-serial.h
*
* Copyright (c) 2009 Nuvoton technology corporation
* All rights reserved.
*
* Description:
* Nuvoton Display, LCM Register list
* Author: Wang Qiang (rurality.linux@gmail.com) 2009/12/11
*/
#ifndef __ASM_ARM_W90X900_REGS_LDM_H
#define __ASM_ARM_W90X900_REGS_LDM_H
#include <mach/map.h>
/* Display Controller Control/Status Register */
#define REG_LCM_DCCS (0x00)
#define LCM_DCCS_ENG_RST (1 << 0)
#define LCM_DCCS_VA_EN (1 << 1)
#define LCM_DCCS_OSD_EN (1 << 2)
#define LCM_DCCS_DISP_OUT_EN (1 << 3)
#define LCM_DCCS_DISP_INT_EN (1 << 4)
#define LCM_DCCS_CMD_ON (1 << 5)
#define LCM_DCCS_FIELD_INTR (1 << 6)
#define LCM_DCCS_SINGLE (1 << 7)
enum LCM_DCCS_VA_SRC {
LCM_DCCS_VA_SRC_YUV422 = (0 << 8),
LCM_DCCS_VA_SRC_YCBCR422 = (1 << 8),
LCM_DCCS_VA_SRC_RGB888 = (2 << 8),
LCM_DCCS_VA_SRC_RGB666 = (3 << 8),
LCM_DCCS_VA_SRC_RGB565 = (4 << 8),
LCM_DCCS_VA_SRC_RGB444LOW = (5 << 8),
LCM_DCCS_VA_SRC_RGB444HIGH = (7 << 8)
};
/* Display Device Control Register */
#define REG_LCM_DEV_CTRL (0x04)
enum LCM_DEV_CTRL_SWAP_YCbCr {
LCM_DEV_CTRL_SWAP_UYVY = (0 << 1),
LCM_DEV_CTRL_SWAP_YUYV = (1 << 1),
LCM_DEV_CTRL_SWAP_VYUY = (2 << 1),
LCM_DEV_CTRL_SWAP_YVYU = (3 << 1)
};
enum LCM_DEV_CTRL_RGB_SHIFT {
LCM_DEV_CTRL_RGB_SHIFT_NOT = (0 << 3),
LCM_DEV_CTRL_RGB_SHIFT_ONECYCLE = (1 << 3),
LCM_DEV_CTRL_RGB_SHIFT_TWOCYCLE = (2 << 3),
LCM_DEV_CTRL_RGB_SHIFT_NOT_DEF = (3 << 3)
};
enum LCM_DEV_CTRL_DEVICE {
LCM_DEV_CTRL_DEVICE_YUV422 = (0 << 5),
LCM_DEV_CTRL_DEVICE_YUV444 = (1 << 5),
LCM_DEV_CTRL_DEVICE_UNIPAC = (4 << 5),
LCM_DEV_CTRL_DEVICE_SEIKO_EPSON = (5 << 5),
LCM_DEV_CTRL_DEVICE_HIGH_COLOR = (6 << 5),
LCM_DEV_CTRL_DEVICE_MPU = (7 << 5)
};
#define LCM_DEV_CTRL_LCD_DDA (8)
#define LCM_DEV_CTRL_YUV2CCIR (16)
enum LCM_DEV_CTRL_LCD_SEL {
LCM_DEV_CTRL_LCD_SEL_RGB_GBR = (0 << 17),
LCM_DEV_CTRL_LCD_SEL_BGR_RBG = (1 << 17),
LCM_DEV_CTRL_LCD_SEL_GBR_RGB = (2 << 17),
LCM_DEV_CTRL_LCD_SEL_RBG_BGR = (3 << 17)
};
enum LCM_DEV_CTRL_FAL_D {
LCM_DEV_CTRL_FAL_D_FALLING = (0 << 19),
LCM_DEV_CTRL_FAL_D_RISING = (1 << 19),
};
enum LCM_DEV_CTRL_H_POL {
LCM_DEV_CTRL_H_POL_LOW = (0 << 20),
LCM_DEV_CTRL_H_POL_HIGH = (1 << 20),
};
enum LCM_DEV_CTRL_V_POL {
LCM_DEV_CTRL_V_POL_LOW = (0 << 21),
LCM_DEV_CTRL_V_POL_HIGH = (1 << 21),
};
enum LCM_DEV_CTRL_VR_LACE {
LCM_DEV_CTRL_VR_LACE_NINTERLACE = (0 << 22),
LCM_DEV_CTRL_VR_LACE_INTERLACE = (1 << 22),
};
enum LCM_DEV_CTRL_LACE {
LCM_DEV_CTRL_LACE_NINTERLACE = (0 << 23),
LCM_DEV_CTRL_LACE_INTERLACE = (1 << 23),
};
enum LCM_DEV_CTRL_RGB_SCALE {
LCM_DEV_CTRL_RGB_SCALE_4096 = (0 << 24),
LCM_DEV_CTRL_RGB_SCALE_65536 = (1 << 24),
LCM_DEV_CTRL_RGB_SCALE_262144 = (2 << 24),
LCM_DEV_CTRL_RGB_SCALE_16777216 = (3 << 24),
};
enum LCM_DEV_CTRL_DBWORD {
LCM_DEV_CTRL_DBWORD_HALFWORD = (0 << 26),
LCM_DEV_CTRL_DBWORD_FULLWORD = (1 << 26),
};
enum LCM_DEV_CTRL_MPU68 {
LCM_DEV_CTRL_MPU68_80_SERIES = (0 << 27),
LCM_DEV_CTRL_MPU68_68_SERIES = (1 << 27),
};
enum LCM_DEV_CTRL_DE_POL {
LCM_DEV_CTRL_DE_POL_HIGH = (0 << 28),
LCM_DEV_CTRL_DE_POL_LOW = (1 << 28),
};
#define LCM_DEV_CTRL_CMD16 (29)
#define LCM_DEV_CTRL_CM16t18 (30)
#define LCM_DEV_CTRL_CMD_LOW (31)
/* MPU-Interface LCD Write Command */
#define REG_LCM_MPU_CMD (0x08)
/* Interrupt Control/Status Register */
#define REG_LCM_INT_CS (0x0c)
#define LCM_INT_CS_DISP_F_EN (1 << 0)
#define LCM_INT_CS_UNDERRUN_EN (1 << 1)
#define LCM_INT_CS_BUS_ERROR_INT (1 << 28)
#define LCM_INT_CS_UNDERRUN_INT (1 << 29)
#define LCM_INT_CS_DISP_F_STATUS (1 << 30)
#define LCM_INT_CS_DISP_F_INT (1 << 31)
/* CRTC Display Size Control Register */
#define REG_LCM_CRTC_SIZE (0x10)
#define LCM_CRTC_SIZE_VTTVAL(x) ((x) << 16)
#define LCM_CRTC_SIZE_HTTVAL(x) ((x) << 0)
/* CRTC Display Enable End */
#define REG_LCM_CRTC_DEND (0x14)
#define LCM_CRTC_DEND_VDENDVAL(x) ((x) << 16)
#define LCM_CRTC_DEND_HDENDVAL(x) ((x) << 0)
/* CRTC Internal Horizontal Retrace Control Register */
#define REG_LCM_CRTC_HR (0x18)
#define LCM_CRTC_HR_EVAL(x) ((x) << 16)
#define LCM_CRTC_HR_SVAL(x) ((x) << 0)
/* CRTC Horizontal Sync Control Register */
#define REG_LCM_CRTC_HSYNC (0x1C)
#define LCM_CRTC_HSYNC_SHIFTVAL(x) ((x) << 30)
#define LCM_CRTC_HSYNC_EVAL(x) ((x) << 16)
#define LCM_CRTC_HSYNC_SVAL(x) ((x) << 0)
/* CRTC Internal Vertical Retrace Control Register */
#define REG_LCM_CRTC_VR (0x20)
#define LCM_CRTC_VR_EVAL(x) ((x) << 16)
#define LCM_CRTC_VR_SVAL(x) ((x) << 0)
/* Video Stream Frame Buffer-0 Starting Address */
#define REG_LCM_VA_BADDR0 (0x24)
/* Video Stream Frame Buffer-1 Starting Address */
#define REG_LCM_VA_BADDR1 (0x28)
/* Video Stream Frame Buffer Control Register */
#define REG_LCM_VA_FBCTRL (0x2C)
#define LCM_VA_FBCTRL_IO_REGION_HALF (1 << 28)
#define LCM_VA_FBCTRL_FIELD_DUAL (1 << 29)
#define LCM_VA_FBCTRL_START_BUF (1 << 30)
#define LCM_VA_FBCTRL_DB_EN (1 << 31)
/* Video Stream Scaling Control Register */
#define REG_LCM_VA_SCALE (0x30)
#define LCM_VA_SCALE_XCOPY_INTERPOLATION (0 << 15)
#define LCM_VA_SCALE_XCOPY_DUPLICATION (1 << 15)
/* Image Stream Active Window Coordinates */
#define REG_LCM_VA_WIN (0x38)
/* Image Stream Stuff Pixel */
#define REG_LCM_VA_STUFF (0x3C)
/* OSD Window Starting Coordinates */
#define REG_LCM_OSD_WINS (0x40)
/* OSD Window Ending Coordinates */
#define REG_LCM_OSD_WINE (0x44)
/* OSD Stream Frame Buffer Starting Address */
#define REG_LCM_OSD_BADDR (0x48)
/* OSD Stream Frame Buffer Control Register */
#define REG_LCM_OSD_FBCTRL (0x4c)
/* OSD Overlay Control Register */
#define REG_LCM_OSD_OVERLAY (0x50)
/* OSD Overlay Color-Key Pattern Register */
#define REG_LCM_OSD_CKEY (0x54)
/* OSD Overlay Color-Key Mask Register */
#define REG_LCM_OSD_CMASK (0x58)
/* OSD Window Skip1 Register */
#define REG_LCM_OSD_SKIP1 (0x5C)
/* OSD Window Skip2 Register */
#define REG_LCM_OSD_SKIP2 (0x60)
/* OSD horizontal up scaling control register */
#define REG_LCM_OSD_SCALE (0x64)
/* MPU Vsync control register */
#define REG_LCM_MPU_VSYNC (0x68)
/* Hardware cursor control Register */
#define REG_LCM_HC_CTRL (0x6C)
/* Hardware cursot tip point potison on va picture */
#define REG_LCM_HC_POS (0x70)
/* Hardware Cursor Window Buffer Control Register */
#define REG_LCM_HC_WBCTRL (0x74)
/* Hardware cursor memory base address register */
#define REG_LCM_HC_BADDR (0x78)
/* Hardware cursor color ram register mapped to bpp = 0 */
#define REG_LCM_HC_COLOR0 (0x7C)
/* Hardware cursor color ram register mapped to bpp = 1 */
#define REG_LCM_HC_COLOR1 (0x80)
/* Hardware cursor color ram register mapped to bpp = 2 */
#define REG_LCM_HC_COLOR2 (0x84)
/* Hardware cursor color ram register mapped to bpp = 3 */
#define REG_LCM_HC_COLOR3 (0x88)
#endif /* __ASM_ARM_W90X900_REGS_LDM_H */

54
arch/arm/mach-w90x900/include/mach/regs-serial.h
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@ -1,54 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* 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
*/
#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 */

43
arch/arm/mach-w90x900/include/mach/uncompress.h
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@ -1,43 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* 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
*/
#ifndef __ASM_ARCH_UNCOMPRESS_H
#define __ASM_ARCH_UNCOMPRESS_H
/* Defines for UART registers */
#include <mach/regs-serial.h>
#include <mach/map.h>
#include <linux/serial_reg.h>
#define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE)
static volatile u32 * const uart_base = (u32 *)UART0_PA;
static inline void putc(int ch)
{
/* Check THRE and TEMT bits before we transmit the character.
*/
while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
barrier();
*uart_base = ch;
}
static inline void flush(void)
{
}
static void arch_decomp_setup(void)
{
}
#endif/* __ASM_W90X900_UNCOMPRESS_H */

212
arch/arm/mach-w90x900/irq.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* 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>
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/ptrace.h>
#include <linux/device.h>
#include <linux/io.h>
#include <asm/irq.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/regs-irq.h>
#include "nuc9xx.h"
struct group_irq {
unsigned long gpen;
unsigned int enabled;
void (*enable)(struct group_irq *, int enable);
};
static DEFINE_SPINLOCK(groupirq_lock);
#define DEFINE_GROUP(_name, _ctrlbit, _num) \
struct group_irq group_##_name = { \
.enable = nuc900_group_enable, \
.gpen = ((1 << _num) - 1) << _ctrlbit, \
}
static void nuc900_group_enable(struct group_irq *gpirq, int enable);
static DEFINE_GROUP(nirq0, 0, 4);
static DEFINE_GROUP(nirq1, 4, 4);
static DEFINE_GROUP(usbh, 8, 2);
static DEFINE_GROUP(ottimer, 16, 3);
static DEFINE_GROUP(gdma, 20, 2);
static DEFINE_GROUP(sc, 24, 2);
static DEFINE_GROUP(i2c, 26, 2);
static DEFINE_GROUP(ps2, 28, 2);
static int group_irq_enable(struct group_irq *group_irq)
{
unsigned long flags;
spin_lock_irqsave(&groupirq_lock, flags);
if (group_irq->enabled++ == 0)
(group_irq->enable)(group_irq, 1);
spin_unlock_irqrestore(&groupirq_lock, flags);
return 0;
}
static void group_irq_disable(struct group_irq *group_irq)
{
unsigned long flags;
WARN_ON(group_irq->enabled == 0);
spin_lock_irqsave(&groupirq_lock, flags);
if (--group_irq->enabled == 0)
(group_irq->enable)(group_irq, 0);
spin_unlock_irqrestore(&groupirq_lock, flags);
}
static void nuc900_group_enable(struct group_irq *gpirq, int enable)
{
unsigned int groupen = gpirq->gpen;
unsigned long regval;
regval = __raw_readl(REG_AIC_GEN);
if (enable)
regval |= groupen;
else
regval &= ~groupen;
__raw_writel(regval, REG_AIC_GEN);
}
static void nuc900_irq_mask(struct irq_data *d)
{
struct group_irq *group_irq;
group_irq = NULL;
__raw_writel(1 << d->irq, REG_AIC_MDCR);
switch (d->irq) {
case IRQ_GROUP0:
group_irq = &group_nirq0;
break;
case IRQ_GROUP1:
group_irq = &group_nirq1;
break;
case IRQ_USBH:
group_irq = &group_usbh;
break;
case IRQ_T_INT_GROUP:
group_irq = &group_ottimer;
break;
case IRQ_GDMAGROUP:
group_irq = &group_gdma;
break;
case IRQ_SCGROUP:
group_irq = &group_sc;
break;
case IRQ_I2CGROUP:
group_irq = &group_i2c;
break;
case IRQ_P2SGROUP:
group_irq = &group_ps2;
break;
}
if (group_irq)
group_irq_disable(group_irq);
}
/*
* By the w90p910 spec,any irq,only write 1
* to REG_AIC_EOSCR for ACK
*/
static void nuc900_irq_ack(struct irq_data *d)
{
__raw_writel(0x01, REG_AIC_EOSCR);
}
static void nuc900_irq_unmask(struct irq_data *d)
{
struct group_irq *group_irq;
group_irq = NULL;
__raw_writel(1 << d->irq, REG_AIC_MECR);
switch (d->irq) {
case IRQ_GROUP0:
group_irq = &group_nirq0;
break;
case IRQ_GROUP1:
group_irq = &group_nirq1;
break;
case IRQ_USBH:
group_irq = &group_usbh;
break;
case IRQ_T_INT_GROUP:
group_irq = &group_ottimer;
break;
case IRQ_GDMAGROUP:
group_irq = &group_gdma;
break;
case IRQ_SCGROUP:
group_irq = &group_sc;
break;
case IRQ_I2CGROUP:
group_irq = &group_i2c;
break;
case IRQ_P2SGROUP:
group_irq = &group_ps2;
break;
}
if (group_irq)
group_irq_enable(group_irq);
}
static struct irq_chip nuc900_irq_chip = {
.irq_ack = nuc900_irq_ack,
.irq_mask = nuc900_irq_mask,
.irq_unmask = nuc900_irq_unmask,
};
void __init nuc900_init_irq(void)
{
int irqno;
__raw_writel(0xFFFFFFFE, REG_AIC_MDCR);
for (irqno = IRQ_WDT; irqno <= IRQ_ADC; irqno++) {
irq_set_chip_and_handler(irqno, &nuc900_irq_chip,
handle_level_irq);
irq_clear_status_flags(irqno, IRQ_NOREQUEST);
}
}

38
arch/arm/mach-w90x900/mach-nuc910evb.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/mach-nuc910evb.c
*
* Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche
*
* Copyright (C) 2008 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#include <linux/platform_device.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach-types.h>
#include <mach/map.h>
#include "nuc910.h"
static void __init nuc910evb_map_io(void)
{
nuc910_map_io();
nuc910_init_clocks();
}
static void __init nuc910evb_init(void)
{
nuc910_board_init();
}
MACHINE_START(W90P910EVB, "W90P910EVB")
/* Maintainer: Wan ZongShun */
.map_io = nuc910evb_map_io,
.init_irq = nuc900_init_irq,
.init_machine = nuc910evb_init,
.init_time = nuc900_timer_init,
.restart = nuc9xx_restart,
MACHINE_END

42
arch/arm/mach-w90x900/mach-nuc950evb.c
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@ -1,42 +0,0 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/mach-nuc950evb.c
*
* Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche
*
* Copyright (C) 2008 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* history:
* Wang Qiang (rurality.linux@gmail.com) add LCD support
*/
#include <linux/platform_device.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach-types.h>
#include <mach/map.h>
#include <linux/platform_data/video-nuc900fb.h>
#include "nuc950.h"
static void __init nuc950evb_map_io(void)
{
nuc950_map_io();
nuc950_init_clocks();
}
static void __init nuc950evb_init(void)
{
nuc950_board_init();
}
MACHINE_START(W90P950EVB, "W90P950EVB")
/* Maintainer: Wan ZongShun */
.map_io = nuc950evb_map_io,
.init_irq = nuc900_init_irq,
.init_machine = nuc950evb_init,
.init_time = nuc900_timer_init,
.restart = nuc9xx_restart,
MACHINE_END

38
arch/arm/mach-w90x900/mach-nuc960evb.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/mach-nuc960evb.c
*
* Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche
*
* Copyright (C) 2008 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#include <linux/platform_device.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach-types.h>
#include <mach/map.h>
#include "nuc960.h"
static void __init nuc960evb_map_io(void)
{
nuc960_map_io();
nuc960_init_clocks();
}
static void __init nuc960evb_init(void)
{
nuc960_board_init();
}
MACHINE_START(W90N960EVB, "W90N960EVB")
/* Maintainer: Wan ZongShun */
.map_io = nuc960evb_map_io,
.init_irq = nuc900_init_irq,
.init_machine = nuc960evb_init,
.init_time = nuc900_timer_init,
.restart = nuc9xx_restart,
MACHINE_END

197
arch/arm/mach-w90x900/mfp.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/mfp.c
*
* Copyright (c) 2008 Nuvoton technology corporation
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/string.h>
#include <linux/clk.h>
#include <linux/mutex.h>
#include <linux/io.h>
#include <mach/hardware.h>
#define REG_MFSEL (W90X900_VA_GCR + 0xC)
#define GPSELF (0x01 << 1)
#define GPSELC (0x03 << 2)
#define GPSELD (0x0f << 4)
#define GPSELEI0 (0x01 << 26)
#define GPSELEI1 (0x01 << 27)
#define GPIOG0TO1 (0x03 << 14)
#define GPIOG2TO3 (0x03 << 16)
#define GPIOG22TO23 (0x03 << 22)
#define GPIOG18TO20 (0x07 << 18)
#define ENSPI (0x0a << 14)
#define ENI2C0 (0x01 << 14)
#define ENI2C1 (0x01 << 16)
#define ENAC97 (0x02 << 22)
#define ENSD1 (0x02 << 18)
#define ENSD0 (0x0a << 4)
#define ENKPI (0x02 << 2)
#define ENNAND (0x01 << 2)
static DEFINE_MUTEX(mfp_mutex);
void mfp_set_groupf(struct device *dev)
{
unsigned long mfpen;
const char *dev_id;
BUG_ON(!dev);
mutex_lock(&mfp_mutex);
dev_id = dev_name(dev);
mfpen = __raw_readl(REG_MFSEL);
if (strcmp(dev_id, "nuc900-emc") == 0)
mfpen |= GPSELF;/*enable mac*/
else
mfpen &= ~GPSELF;/*GPIOF[9:0]*/
__raw_writel(mfpen, REG_MFSEL);
mutex_unlock(&mfp_mutex);
}
EXPORT_SYMBOL(mfp_set_groupf);
void mfp_set_groupc(struct device *dev)
{
unsigned long mfpen;
const char *dev_id;
BUG_ON(!dev);
mutex_lock(&mfp_mutex);
dev_id = dev_name(dev);
mfpen = __raw_readl(REG_MFSEL);
if (strcmp(dev_id, "nuc900-lcd") == 0)
mfpen |= GPSELC;/*enable lcd*/
else if (strcmp(dev_id, "nuc900-kpi") == 0) {
mfpen &= (~GPSELC);/*enable kpi*/
mfpen |= ENKPI;
} else if (strcmp(dev_id, "nuc900-nand") == 0) {
mfpen &= (~GPSELC);/*enable nand*/
mfpen |= ENNAND;
} else
mfpen &= (~GPSELC);/*GPIOC[14:0]*/
__raw_writel(mfpen, REG_MFSEL);
mutex_unlock(&mfp_mutex);
}
EXPORT_SYMBOL(mfp_set_groupc);
void mfp_set_groupi(struct device *dev)
{
unsigned long mfpen;
const char *dev_id;
BUG_ON(!dev);
mutex_lock(&mfp_mutex);
dev_id = dev_name(dev);
mfpen = __raw_readl(REG_MFSEL);
mfpen &= ~GPSELEI1;/*default gpio16*/
if (strcmp(dev_id, "nuc900-wdog") == 0)
mfpen |= GPSELEI1;/*enable wdog*/
else if (strcmp(dev_id, "nuc900-atapi") == 0)
mfpen |= GPSELEI0;/*enable atapi*/
else if (strcmp(dev_id, "nuc900-keypad") == 0)
mfpen &= ~GPSELEI0;/*enable keypad*/
__raw_writel(mfpen, REG_MFSEL);
mutex_unlock(&mfp_mutex);
}
EXPORT_SYMBOL(mfp_set_groupi);
void mfp_set_groupg(struct device *dev, const char *subname)
{
unsigned long mfpen;
const char *dev_id;
BUG_ON((!dev) && (!subname));
mutex_lock(&mfp_mutex);
if (subname != NULL)
dev_id = subname;
else
dev_id = dev_name(dev);
mfpen = __raw_readl(REG_MFSEL);
if (strcmp(dev_id, "nuc900-spi") == 0) {
mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);
mfpen |= ENSPI;/*enable spi*/
} else if (strcmp(dev_id, "nuc900-i2c0") == 0) {
mfpen &= ~(GPIOG0TO1);
mfpen |= ENI2C0;/*enable i2c0*/
} else if (strcmp(dev_id, "nuc900-i2c1") == 0) {
mfpen &= ~(GPIOG2TO3);
mfpen |= ENI2C1;/*enable i2c1*/
} else if (strcmp(dev_id, "nuc900-ac97") == 0) {
mfpen &= ~(GPIOG22TO23);
mfpen |= ENAC97;/*enable AC97*/
} else if (strcmp(dev_id, "nuc900-mmc-port1") == 0) {
mfpen &= ~(GPIOG18TO20);
mfpen |= (ENSD1 | 0x01);/*enable sd1*/
} else {
mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/
}
__raw_writel(mfpen, REG_MFSEL);
mutex_unlock(&mfp_mutex);
}
EXPORT_SYMBOL(mfp_set_groupg);
void mfp_set_groupd(struct device *dev, const char *subname)
{
unsigned long mfpen;
const char *dev_id;
BUG_ON((!dev) && (!subname));
mutex_lock(&mfp_mutex);
if (subname != NULL)
dev_id = subname;
else
dev_id = dev_name(dev);
mfpen = __raw_readl(REG_MFSEL);
if (strcmp(dev_id, "nuc900-mmc-port0") == 0) {
mfpen &= ~GPSELD;/*enable sd0*/
mfpen |= ENSD0;
} else
mfpen &= (~GPSELD);
__raw_writel(mfpen, REG_MFSEL);
mutex_unlock(&mfp_mutex);
}
EXPORT_SYMBOL(mfp_set_groupd);

58
arch/arm/mach-w90x900/nuc910.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/nuc910.c
*
* Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks
*
* Copyright (c) 2009 Nuvoton corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* NUC910 cpu support
*/
#include <linux/platform_device.h>
#include <asm/mach/map.h>
#include <mach/hardware.h>
#include "cpu.h"
#include "clock.h"
/* define specific CPU platform device */
static struct platform_device *nuc910_dev[] __initdata = {
&nuc900_device_ts,
&nuc900_device_rtc,
&nuc900_device_lcd,
&nuc900_device_kpi,
};
/* define specific CPU platform io map */
static struct map_desc nuc910evb_iodesc[] __initdata = {
IODESC_ENT(USBEHCIHOST),
IODESC_ENT(USBOHCIHOST),
IODESC_ENT(KPI),
IODESC_ENT(USBDEV),
IODESC_ENT(ADC),
};
/*Init NUC910 evb io*/
void __init nuc910_map_io(void)
{
nuc900_map_io(nuc910evb_iodesc, ARRAY_SIZE(nuc910evb_iodesc));
}
/*Init NUC910 clock*/
void __init nuc910_init_clocks(void)
{
nuc900_init_clocks();
}
/*Init NUC910 board info*/
void __init nuc910_board_init(void)
{
nuc900_board_init(nuc910_dev, ARRAY_SIZE(nuc910_dev));
}

17
arch/arm/mach-w90x900/nuc910.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-w90x900/nuc910.h
*
* Copyright (c) 2008 Nuvoton corporation
*
* Header file for NUC900 CPU support
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#include "nuc9xx.h"
/* extern file from nuc910.c */
extern void nuc910_board_init(void);
extern void nuc910_init_clocks(void);
extern void nuc910_map_io(void);

52
arch/arm/mach-w90x900/nuc950.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/nuc950.c
*
* Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks
*
* Copyright (c) 2008 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* NUC950 cpu support
*/
#include <linux/platform_device.h>
#include <asm/mach/map.h>
#include <mach/hardware.h>
#include "cpu.h"
/* define specific CPU platform device */
static struct platform_device *nuc950_dev[] __initdata = {
&nuc900_device_kpi,
&nuc900_device_fmi,
&nuc900_device_lcd,
};
/* define specific CPU platform io map */
static struct map_desc nuc950evb_iodesc[] __initdata = {
};
/*Init NUC950 evb io*/
void __init nuc950_map_io(void)
{
nuc900_map_io(nuc950evb_iodesc, ARRAY_SIZE(nuc950evb_iodesc));
}
/*Init NUC950 clock*/
void __init nuc950_init_clocks(void)
{
nuc900_init_clocks();
}
/*Init NUC950 board info*/
void __init nuc950_board_init(void)
{
nuc900_board_init(nuc950_dev, ARRAY_SIZE(nuc950_dev));
}

17
arch/arm/mach-w90x900/nuc950.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-w90x900/nuc950.h
*
* Copyright (c) 2008 Nuvoton corporation
*
* Header file for NUC900 CPU support
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#include "nuc9xx.h"
/* extern file from nuc950.c */
extern void nuc950_board_init(void);
extern void nuc950_init_clocks(void);
extern void nuc950_map_io(void);

50
arch/arm/mach-w90x900/nuc960.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-w90x900/nuc960.c
*
* Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks
*
* Copyright (c) 2008 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* NUC960 cpu support
*/
#include <linux/platform_device.h>
#include <asm/mach/map.h>
#include <mach/hardware.h>
#include "cpu.h"
/* define specific CPU platform device */
static struct platform_device *nuc960_dev[] __initdata = {
&nuc900_device_kpi,
&nuc900_device_fmi,
};
/* define specific CPU platform io map */
static struct map_desc nuc960evb_iodesc[] __initdata = {
};
/*Init NUC960 evb io*/
void __init nuc960_map_io(void)
{
nuc900_map_io(nuc960evb_iodesc, ARRAY_SIZE(nuc960evb_iodesc));
}
/*Init NUC960 clock*/
void __init nuc960_init_clocks(void)
{
nuc900_init_clocks();
}
/*Init NUC960 board info*/
void __init nuc960_board_init(void)
{
nuc900_board_init(nuc960_dev, ARRAY_SIZE(nuc960_dev));
}

17
arch/arm/mach-w90x900/nuc960.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-w90x900/nuc960.h
*
* Copyright (c) 2008 Nuvoton corporation
*
* Header file for NUC900 CPU support
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#include "nuc9xx.h"
/* extern file from nuc960.c */
extern void nuc960_board_init(void);
extern void nuc960_init_clocks(void);
extern void nuc960_map_io(void);

22
arch/arm/mach-w90x900/nuc9xx.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-w90x900/nuc9xx.h
*
* Copied from nuc910.h, which had:
*
* Copyright (c) 2008 Nuvoton corporation
*
* Header file for NUC900 CPU support
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#include <linux/reboot.h>
struct map_desc;
/* core initialisation functions */
extern void nuc900_init_irq(void);
extern void nuc900_timer_init(void);
extern void nuc9xx_restart(enum reboot_mode, const char *);

29
arch/arm/mach-w90x900/regs-ebi.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-w90x900/include/mach/regs-ebi.h
*
* Copyright (c) 2009 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#ifndef __ASM_ARCH_REGS_EBI_H
#define __ASM_ARCH_REGS_EBI_H
/* EBI Control Registers */
#define EBI_BA W90X900_VA_EBI
#define REG_EBICON (EBI_BA + 0x00)
#define REG_ROMCON (EBI_BA + 0x04)
#define REG_SDCONF0 (EBI_BA + 0x08)
#define REG_SDCONF1 (EBI_BA + 0x0C)
#define REG_SDTIME0 (EBI_BA + 0x10)
#define REG_SDTIME1 (EBI_BA + 0x14)
#define REG_EXT0CON (EBI_BA + 0x18)
#define REG_EXT1CON (EBI_BA + 0x1C)
#define REG_EXT2CON (EBI_BA + 0x20)
#define REG_EXT3CON (EBI_BA + 0x24)
#define REG_EXT4CON (EBI_BA + 0x28)
#define REG_CKSKEW (EBI_BA + 0x2C)
#endif /* __ASM_ARCH_REGS_EBI_H */

34
arch/arm/mach-w90x900/regs-gcr.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* arch/arm/mach-w90x900/include/mach/regs-gcr.h
*
* Copyright (c) 2010 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#ifndef __ASM_ARCH_REGS_GCR_H
#define __ASM_ARCH_REGS_GCR_H
/* Global control registers */
#define GCR_BA W90X900_VA_GCR
#define REG_PDID (GCR_BA+0x000)
#define REG_PWRON (GCR_BA+0x004)
#define REG_ARBCON (GCR_BA+0x008)
#define REG_MFSEL (GCR_BA+0x00C)
#define REG_EBIDPE (GCR_BA+0x010)
#define REG_LCDDPE (GCR_BA+0x014)
#define REG_GPIOCPE (GCR_BA+0x018)
#define REG_GPIODPE (GCR_BA+0x01C)
#define REG_GPIOEPE (GCR_BA+0x020)
#define REG_GPIOFPE (GCR_BA+0x024)
#define REG_GPIOGPE (GCR_BA+0x028)
#define REG_GPIOHPE (GCR_BA+0x02C)
#define REG_GPIOIPE (GCR_BA+0x030)
#define REG_GTMP1 (GCR_BA+0x034)
#define REG_GTMP2 (GCR_BA+0x038)
#define REG_GTMP3 (GCR_BA+0x03C)
#endif /* __ASM_ARCH_REGS_GCR_H */

37
arch/arm/mach-w90x900/regs-timer.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* 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
*/
#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 */

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arch/arm/mach-w90x900/regs-usb.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-w90x900/include/mach/regs-usb.h
*
* Copyright (c) 2008 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#ifndef __ASM_ARCH_REGS_USB_H
#define __ASM_ARCH_REGS_USB_H
/* usb Control Registers */
#define USBH_BA W90X900_VA_USBEHCIHOST
#define USBD_BA W90X900_VA_USBDEV
#define USBO_BA W90X900_VA_USBOHCIHOST
/* USB Host Control Registers */
#define REG_UPSCR0 (USBH_BA+0x064)
#define REG_UPSCR1 (USBH_BA+0x068)
#define REG_USBPCR0 (USBH_BA+0x0C4)
#define REG_USBPCR1 (USBH_BA+0x0C8)
/* USBH OHCI Control Registers */
#define REG_OpModEn (USBO_BA+0x204)
/*This bit controls the polarity of over
*current flag from external power IC.
*/
#define OCALow 0x08
#endif /* __ASM_ARCH_REGS_USB_H */

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arch/arm/mach-w90x900/time.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* linux/arch/arm/mach-w90x900/time.c
*
* Based on linux/arch/arm/plat-s3c24xx/time.c by Ben Dooks
*
* Copyright (c) 2009 Nuvoton technology corporation
* All rights reserved.
*
* Wan ZongShun <mcuos.com@gmail.com>
*/
#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 <linux/clocksource.h>
#include <linux/clockchips.h>
#include <asm/mach-types.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
#include <mach/map.h>
#include "regs-timer.h"
#include "nuc9xx.h"
#define RESETINT 0x1f
#define PERIOD (0x01 << 27)
#define ONESHOT (0x00 << 27)
#define COUNTEN (0x01 << 30)
#define INTEN (0x01 << 29)
#define TICKS_PER_SEC 100
#define PRESCALE 0x63 /* Divider = prescale + 1 */
#define TDR_SHIFT 24
static unsigned int timer0_load;
static int nuc900_clockevent_shutdown(struct clock_event_device *evt)
{
unsigned int val = __raw_readl(REG_TCSR0) & ~(0x03 << 27);
__raw_writel(val, REG_TCSR0);
return 0;
}
static int nuc900_clockevent_set_oneshot(struct clock_event_device *evt)
{
unsigned int val = __raw_readl(REG_TCSR0) & ~(0x03 << 27);
val |= (ONESHOT | COUNTEN | INTEN | PRESCALE);
__raw_writel(val, REG_TCSR0);
return 0;
}
static int nuc900_clockevent_set_periodic(struct clock_event_device *evt)
{
unsigned int val = __raw_readl(REG_TCSR0) & ~(0x03 << 27);
__raw_writel(timer0_load, REG_TICR0);
val |= (PERIOD | COUNTEN | INTEN | PRESCALE);
__raw_writel(val, REG_TCSR0);
return 0;
}
static int nuc900_clockevent_setnextevent(unsigned long evt,
struct clock_event_device *clk)
{
unsigned int val;
__raw_writel(evt, REG_TICR0);
val = __raw_readl(REG_TCSR0);
val |= (COUNTEN | INTEN | PRESCALE);
__raw_writel(val, REG_TCSR0);
return 0;
}
static struct clock_event_device nuc900_clockevent_device = {
.name = "nuc900-timer0",
.features = CLOCK_EVT_FEAT_PERIODIC |
CLOCK_EVT_FEAT_ONESHOT,
.set_state_shutdown = nuc900_clockevent_shutdown,
.set_state_periodic = nuc900_clockevent_set_periodic,
.set_state_oneshot = nuc900_clockevent_set_oneshot,
.tick_resume = nuc900_clockevent_shutdown,
.set_next_event = nuc900_clockevent_setnextevent,
.rating = 300,
};
/*IRQ handler for the timer*/
static irqreturn_t nuc900_timer0_interrupt(int irq, void *dev_id)
{
struct clock_event_device *evt = &nuc900_clockevent_device;
__raw_writel(0x01, REG_TISR); /* clear TIF0 */
evt->event_handler(evt);
return IRQ_HANDLED;
}
static struct irqaction nuc900_timer0_irq = {
.name = "nuc900-timer0",
.flags = IRQF_TIMER | IRQF_IRQPOLL,
.handler = nuc900_timer0_interrupt,
};
static void __init nuc900_clockevents_init(void)
{
unsigned int rate;
struct clk *clk = clk_get(NULL, "timer0");
BUG_ON(IS_ERR(clk));
__raw_writel(0x00, REG_TCSR0);
clk_enable(clk);
rate = clk_get_rate(clk) / (PRESCALE + 1);
timer0_load = (rate / TICKS_PER_SEC);
__raw_writel(RESETINT, REG_TISR);
setup_irq(IRQ_TIMER0, &nuc900_timer0_irq);
nuc900_clockevent_device.cpumask = cpumask_of(0);
clockevents_config_and_register(&nuc900_clockevent_device, rate,
0xf, 0xffffffff);
}
static void __init nuc900_clocksource_init(void)
{
unsigned int val;
unsigned int rate;
struct clk *clk = clk_get(NULL, "timer1");
BUG_ON(IS_ERR(clk));
__raw_writel(0x00, REG_TCSR1);
clk_enable(clk);
rate = clk_get_rate(clk) / (PRESCALE + 1);
__raw_writel(0xffffffff, REG_TICR1);
val = __raw_readl(REG_TCSR1);
val |= (COUNTEN | PERIOD | PRESCALE);
__raw_writel(val, REG_TCSR1);
clocksource_mmio_init(REG_TDR1, "nuc900-timer1", rate, 200,
TDR_SHIFT, clocksource_mmio_readl_down);
}
void __init nuc900_timer_init(void)
{
nuc900_clocksource_init();
nuc900_clockevents_init();
}