diff options
Diffstat (limited to 'arch/arm/mach-w90x900')
26 files changed, 1709 insertions, 631 deletions
diff --git a/arch/arm/mach-w90x900/Kconfig b/arch/arm/mach-w90x900/Kconfig index 8e4178fe5ec2..69bab32a8bc2 100644 --- a/arch/arm/mach-w90x900/Kconfig +++ b/arch/arm/mach-w90x900/Kconfig @@ -5,6 +5,16 @@ config CPU_W90P910 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 @@ -16,4 +26,24 @@ config MACH_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 diff --git a/arch/arm/mach-w90x900/Makefile b/arch/arm/mach-w90x900/Makefile index d50c94f4dbdf..828c0326441e 100644 --- a/arch/arm/mach-w90x900/Makefile +++ b/arch/arm/mach-w90x900/Makefile @@ -4,12 +4,16 @@ # Object file lists. -obj-y := irq.o time.o mfp-w90p910.o gpio.o clock.o - +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-$(CONFIG_CPU_W90P910) += w90p910.o +obj-$(CONFIG_CPU_W90P910) += nuc910.o +obj-$(CONFIG_CPU_NUC950) += nuc950.o +obj-$(CONFIG_CPU_NUC960) += nuc960.o # machine support -obj-$(CONFIG_MACH_W90P910EVB) += mach-w90p910evb.o +obj-$(CONFIG_MACH_W90P910EVB) += mach-nuc910evb.o +obj-$(CONFIG_MACH_W90P950EVB) += mach-nuc950evb.o +obj-$(CONFIG_MACH_W90N960EVB) += mach-nuc960evb.o diff --git a/arch/arm/mach-w90x900/clksel.c b/arch/arm/mach-w90x900/clksel.c new file mode 100644 index 000000000000..3de4a5211c3b --- /dev/null +++ b/arch/arm/mach-w90x900/clksel.c @@ -0,0 +1,91 @@ +/* + * linux/arch/arm/mach-w90x900/clksel.c + * + * Copyright (c) 2008 Nuvoton technology corporation + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation;version 2 of the License. + */ + +#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-audio") == 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); + diff --git a/arch/arm/mach-w90x900/clock.c b/arch/arm/mach-w90x900/clock.c index f420613cd395..b785994bab0a 100644 --- a/arch/arm/mach-w90x900/clock.c +++ b/arch/arm/mach-w90x900/clock.c @@ -25,6 +25,8 @@ #include "clock.h" +#define SUBCLK 0x24 + static DEFINE_SPINLOCK(clocks_lock); int clk_enable(struct clk *clk) @@ -53,7 +55,13 @@ void clk_disable(struct clk *clk) } EXPORT_SYMBOL(clk_disable); -void w90x900_clk_enable(struct clk *clk, int enable) +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; @@ -68,6 +76,22 @@ void w90x900_clk_enable(struct clk *clk, int enable) __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); +} + + void clks_register(struct clk_lookup *clks, size_t num) { int i; diff --git a/arch/arm/mach-w90x900/clock.h b/arch/arm/mach-w90x900/clock.h index 4f27bda76d56..f5816a06eed6 100644 --- a/arch/arm/mach-w90x900/clock.h +++ b/arch/arm/mach-w90x900/clock.h @@ -12,7 +12,8 @@ #include <asm/clkdev.h> -void w90x900_clk_enable(struct clk *clk, int enable); +void nuc900_clk_enable(struct clk *clk, int enable); +void nuc900_subclk_enable(struct clk *clk, int enable); void clks_register(struct clk_lookup *clks, size_t num); struct clk { @@ -23,10 +24,17 @@ struct clk { #define DEFINE_CLK(_name, _ctrlbit) \ struct clk clk_##_name = { \ - .enable = w90x900_clk_enable, \ + .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, \ diff --git a/arch/arm/mach-w90x900/cpu.c b/arch/arm/mach-w90x900/cpu.c new file mode 100644 index 000000000000..921cef991bf0 --- /dev/null +++ b/arch/arm/mach-w90x900/cpu.c @@ -0,0 +1,212 @@ +/* + * linux/arch/arm/mach-w90x900/cpu.c + * + * Copyright (c) 2009 Nuvoton corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * NUC900 series cpu common support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation;version 2 of the License. + * + */ + +#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 <mach/hardware.h> +#include <mach/regs-serial.h> +#include <mach/regs-clock.h> +#include <mach/regs-ebi.h> + +#include "cpu.h" +#include "clock.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), +}; + +/* 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 struct clk_lookup nuc900_clkregs[] = { + DEF_CLKLOOK(&clk_lcd, "nuc900-lcd", NULL), + DEF_CLKLOOK(&clk_audio, "nuc900-audio", 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-adc", NULL), + DEF_CLKLOOK(&clk_usi, "nuc900-spi", NULL), + DEF_CLKLOOK(&clk_ext, NULL, "ext"), +}; + +/* 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; + + strict_strtoul(str, 0, &cpufreq); + + 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) +{ + clks_register(nuc900_clkregs, ARRAY_SIZE(nuc900_clkregs)); +} + diff --git a/arch/arm/mach-w90x900/cpu.h b/arch/arm/mach-w90x900/cpu.h index 57b5dbabeb41..4d58ba164e25 100644 --- a/arch/arm/mach-w90x900/cpu.h +++ b/arch/arm/mach-w90x900/cpu.h @@ -6,7 +6,7 @@ * Copyright (c) 2008 Nuvoton technology corporation * All rights reserved. * - * Header file for W90X900 CPU support + * Header file for NUC900 CPU support * * Wan ZongShun <mcuos.com@gmail.com> * @@ -24,29 +24,7 @@ .type = MT_DEVICE, \ } -/*Cpu identifier register*/ - -#define W90X900PDID W90X900_VA_GCR -#define W90P910_CPUID 0x02900910 -#define W90P920_CPUID 0x02900920 -#define W90P950_CPUID 0x02900950 -#define W90N960_CPUID 0x02900960 - -struct w90x900_uartcfg; -struct map_desc; -struct sys_timer; - -/* core initialisation functions */ - -extern void w90x900_init_irq(void); -extern void w90p910_init_io(struct map_desc *mach_desc, int size); -extern void w90p910_init_uarts(struct w90x900_uartcfg *cfg, int no); -extern void w90p910_init_clocks(void); -extern void w90p910_map_io(struct map_desc *mach_desc, int size); -extern struct platform_device w90p910_serial_device; -extern struct sys_timer w90x900_timer; - -#define W90X900_8250PORT(name) \ +#define NUC900_8250PORT(name) \ { \ .membase = name##_BA, \ .mapbase = name##_PA, \ @@ -56,3 +34,26 @@ extern struct sys_timer w90x900_timer; .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; diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c new file mode 100644 index 000000000000..2a6f98de48d2 --- /dev/null +++ b/arch/arm/mach-w90x900/dev.c @@ -0,0 +1,389 @@ +/* + * linux/arch/arm/mach-w90x900/dev.c + * + * Copyright (C) 2009 Nuvoton corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation;version 2 of the License. + * + */ + +#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/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/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/mach-types.h> + +#include <mach/regs-serial.h> +#include <mach/map.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 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, +}; + +/* 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 = 1, + .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 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, +}; + +/*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, +}; + +/* Provide adding specific CPU platform devices API */ + +void __init nuc900_board_init(struct platform_device **device, int size) +{ + 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)); +} + diff --git a/arch/arm/mach-w90x900/gpio.c b/arch/arm/mach-w90x900/gpio.c index c72e0dfa1825..ba05aec7ea4b 100644 --- a/arch/arm/mach-w90x900/gpio.c +++ b/arch/arm/mach-w90x900/gpio.c @@ -1,7 +1,7 @@ /* - * linux/arch/arm/mach-w90p910/gpio.c + * linux/arch/arm/mach-w90x900/gpio.c * - * Generic w90p910 GPIO handling + * Generic nuc900 GPIO handling * * Wan ZongShun <mcuos.com@gmail.com> * @@ -30,31 +30,31 @@ #define GPIO_IN (0x0C) #define GROUPINERV (0x10) #define GPIO_GPIO(Nb) (0x00000001 << (Nb)) -#define to_w90p910_gpio_chip(c) container_of(c, struct w90p910_gpio_chip, chip) +#define to_nuc900_gpio_chip(c) container_of(c, struct nuc900_gpio_chip, chip) -#define W90P910_GPIO_CHIP(name, base_gpio, nr_gpio) \ +#define NUC900_GPIO_CHIP(name, base_gpio, nr_gpio) \ { \ .chip = { \ .label = name, \ - .direction_input = w90p910_dir_input, \ - .direction_output = w90p910_dir_output, \ - .get = w90p910_gpio_get, \ - .set = w90p910_gpio_set, \ + .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 w90p910_gpio_chip { +struct nuc900_gpio_chip { struct gpio_chip chip; void __iomem *regbase; /* Base of group register*/ spinlock_t gpio_lock; }; -static int w90p910_gpio_get(struct gpio_chip *chip, unsigned offset) +static int nuc900_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct w90p910_gpio_chip *w90p910_gpio = to_w90p910_gpio_chip(chip); - void __iomem *pio = w90p910_gpio->regbase + GPIO_IN; + struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(chip); + void __iomem *pio = nuc900_gpio->regbase + GPIO_IN; unsigned int regval; regval = __raw_readl(pio); @@ -63,14 +63,14 @@ static int w90p910_gpio_get(struct gpio_chip *chip, unsigned offset) return (regval != 0); } -static void w90p910_gpio_set(struct gpio_chip *chip, unsigned offset, int val) +static void nuc900_gpio_set(struct gpio_chip *chip, unsigned offset, int val) { - struct w90p910_gpio_chip *w90p910_gpio = to_w90p910_gpio_chip(chip); - void __iomem *pio = w90p910_gpio->regbase + GPIO_OUT; + struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(chip); + void __iomem *pio = nuc900_gpio->regbase + GPIO_OUT; unsigned int regval; unsigned long flags; - spin_lock_irqsave(&w90p910_gpio->gpio_lock, flags); + spin_lock_irqsave(&nuc900_gpio->gpio_lock, flags); regval = __raw_readl(pio); @@ -81,36 +81,36 @@ static void w90p910_gpio_set(struct gpio_chip *chip, unsigned offset, int val) __raw_writel(regval, pio); - spin_unlock_irqrestore(&w90p910_gpio->gpio_lock, flags); + spin_unlock_irqrestore(&nuc900_gpio->gpio_lock, flags); } -static int w90p910_dir_input(struct gpio_chip *chip, unsigned offset) +static int nuc900_dir_input(struct gpio_chip *chip, unsigned offset) { - struct w90p910_gpio_chip *w90p910_gpio = to_w90p910_gpio_chip(chip); - void __iomem *pio = w90p910_gpio->regbase + GPIO_DIR; + struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(chip); + void __iomem *pio = nuc900_gpio->regbase + GPIO_DIR; unsigned int regval; unsigned long flags; - spin_lock_irqsave(&w90p910_gpio->gpio_lock, flags); + spin_lock_irqsave(&nuc900_gpio->gpio_lock, flags); regval = __raw_readl(pio); regval &= ~GPIO_GPIO(offset); __raw_writel(regval, pio); - spin_unlock_irqrestore(&w90p910_gpio->gpio_lock, flags); + spin_unlock_irqrestore(&nuc900_gpio->gpio_lock, flags); return 0; } -static int w90p910_dir_output(struct gpio_chip *chip, unsigned offset, int val) +static int nuc900_dir_output(struct gpio_chip *chip, unsigned offset, int val) { - struct w90p910_gpio_chip *w90p910_gpio = to_w90p910_gpio_chip(chip); - void __iomem *outreg = w90p910_gpio->regbase + GPIO_OUT; - void __iomem *pio = w90p910_gpio->regbase + GPIO_DIR; + struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(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(&w90p910_gpio->gpio_lock, flags); + spin_lock_irqsave(&nuc900_gpio->gpio_lock, flags); regval = __raw_readl(pio); regval |= GPIO_GPIO(offset); @@ -125,28 +125,28 @@ static int w90p910_dir_output(struct gpio_chip *chip, unsigned offset, int val) __raw_writel(regval, outreg); - spin_unlock_irqrestore(&w90p910_gpio->gpio_lock, flags); + spin_unlock_irqrestore(&nuc900_gpio->gpio_lock, flags); return 0; } -static struct w90p910_gpio_chip w90p910_gpio[] = { - W90P910_GPIO_CHIP("GROUPC", 0, 16), - W90P910_GPIO_CHIP("GROUPD", 16, 10), - W90P910_GPIO_CHIP("GROUPE", 26, 14), - W90P910_GPIO_CHIP("GROUPF", 40, 10), - W90P910_GPIO_CHIP("GROUPG", 50, 17), - W90P910_GPIO_CHIP("GROUPH", 67, 8), - W90P910_GPIO_CHIP("GROUPI", 75, 17), +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 w90p910_init_gpio(int nr_group) +void __init nuc900_init_gpio(int nr_group) { unsigned i; - struct w90p910_gpio_chip *gpio_chip; + struct nuc900_gpio_chip *gpio_chip; for (i = 0; i < nr_group; i++) { - gpio_chip = &w90p910_gpio[i]; + gpio_chip = &nuc900_gpio[i]; spin_lock_init(&gpio_chip->gpio_lock); gpio_chip->regbase = GPIO_BASE + i * GROUPINERV; gpiochip_add(&gpio_chip->chip); diff --git a/arch/arm/mach-w90x900/include/mach/regs-clock.h b/arch/arm/mach-w90x900/include/mach/regs-clock.h index f10b6a8dc069..516d6b477b61 100644 --- a/arch/arm/mach-w90x900/include/mach/regs-clock.h +++ b/arch/arm/mach-w90x900/include/mach/regs-clock.h @@ -28,4 +28,26 @@ #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 */ diff --git a/arch/arm/mach-w90x900/include/mach/regs-ebi.h b/arch/arm/mach-w90x900/include/mach/regs-ebi.h new file mode 100644 index 000000000000..b68455e7f88b --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/regs-ebi.h @@ -0,0 +1,33 @@ +/* + * arch/arm/mach-w90x900/include/mach/regs-ebi.h + * + * Copyright (c) 2009 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation;version 2 of the License. + * + */ + +#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 */ diff --git a/arch/arm/mach-w90x900/irq.c b/arch/arm/mach-w90x900/irq.c index 0b4fc194729c..0ce9d8e867eb 100644 --- a/arch/arm/mach-w90x900/irq.c +++ b/arch/arm/mach-w90x900/irq.c @@ -10,8 +10,7 @@ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. + * the Free Software Foundation;version 2 of the License. * */ @@ -29,9 +28,114 @@ #include <mach/hardware.h> #include <mach/regs-irq.h> -static void w90x900_irq_mask(unsigned int irq) +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(unsigned int irq) +{ + struct group_irq *group_irq; + + group_irq = NULL; + __raw_writel(1 << irq, REG_AIC_MDCR); + + switch (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); } /* @@ -39,37 +143,71 @@ static void w90x900_irq_mask(unsigned int irq) * to REG_AIC_EOSCR for ACK */ -static void w90x900_irq_ack(unsigned int irq) +static void nuc900_irq_ack(unsigned int irq) { __raw_writel(0x01, REG_AIC_EOSCR); } -static void w90x900_irq_unmask(unsigned int irq) +static void nuc900_irq_unmask(unsigned int irq) { - unsigned long mask; + struct group_irq *group_irq; + + group_irq = NULL; - if (irq == IRQ_T_INT_GROUP) { - mask = __raw_readl(REG_AIC_GEN); - __raw_writel(TIME_GROUP_IRQ | mask, REG_AIC_GEN); - __raw_writel(1 << IRQ_T_INT_GROUP, REG_AIC_MECR); - } __raw_writel(1 << irq, REG_AIC_MECR); + + switch (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 w90x900_irq_chip = { - .ack = w90x900_irq_ack, - .mask = w90x900_irq_mask, - .unmask = w90x900_irq_unmask, +static struct irq_chip nuc900_irq_chip = { + .ack = nuc900_irq_ack, + .mask = nuc900_irq_mask, + .unmask = nuc900_irq_unmask, }; -void __init w90x900_init_irq(void) +void __init nuc900_init_irq(void) { int irqno; __raw_writel(0xFFFFFFFE, REG_AIC_MDCR); for (irqno = IRQ_WDT; irqno <= IRQ_ADC; irqno++) { - set_irq_chip(irqno, &w90x900_irq_chip); + set_irq_chip(irqno, &nuc900_irq_chip); set_irq_handler(irqno, handle_level_irq); set_irq_flags(irqno, IRQF_VALID); } diff --git a/arch/arm/mach-w90x900/mach-nuc910evb.c b/arch/arm/mach-w90x900/mach-nuc910evb.c new file mode 100644 index 000000000000..ec05bda946f3 --- /dev/null +++ b/arch/arm/mach-w90x900/mach-nuc910evb.c @@ -0,0 +1,44 @@ +/* + * 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> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation;version 2 of the License. + * + */ + +#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 */ + .phys_io = W90X900_PA_UART, + .io_pg_offst = (((u32)W90X900_VA_UART) >> 18) & 0xfffc, + .boot_params = 0, + .map_io = nuc910evb_map_io, + .init_irq = nuc900_init_irq, + .init_machine = nuc910evb_init, + .timer = &nuc900_timer, +MACHINE_END diff --git a/arch/arm/mach-w90x900/mach-nuc950evb.c b/arch/arm/mach-w90x900/mach-nuc950evb.c new file mode 100644 index 000000000000..cef903bcccd1 --- /dev/null +++ b/arch/arm/mach-w90x900/mach-nuc950evb.c @@ -0,0 +1,44 @@ +/* + * 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> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation;version 2 of the License. + * + */ + +#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 "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 */ + .phys_io = W90X900_PA_UART, + .io_pg_offst = (((u32)W90X900_VA_UART) >> 18) & 0xfffc, + .boot_params = 0, + .map_io = nuc950evb_map_io, + .init_irq = nuc900_init_irq, + .init_machine = nuc950evb_init, + .timer = &nuc900_timer, +MACHINE_END diff --git a/arch/arm/mach-w90x900/mach-nuc960evb.c b/arch/arm/mach-w90x900/mach-nuc960evb.c new file mode 100644 index 000000000000..e3a46f19f2bc --- /dev/null +++ b/arch/arm/mach-w90x900/mach-nuc960evb.c @@ -0,0 +1,44 @@ +/* + * 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> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation;version 2 of the License. + * + */ + +#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 */ + .phys_io = W90X900_PA_UART, + .io_pg_offst = (((u32)W90X900_VA_UART) >> 18) & 0xfffc, + .boot_params = 0, + .map_io = nuc960evb_map_io, + .init_irq = nuc900_init_irq, + .init_machine = nuc960evb_init, + .timer = &nuc900_timer, +MACHINE_END diff --git a/arch/arm/mach-w90x900/mach-w90p910evb.c b/arch/arm/mach-w90x900/mach-w90p910evb.c deleted file mode 100644 index 7a62bd348e80..000000000000 --- a/arch/arm/mach-w90x900/mach-w90p910evb.c +++ /dev/null @@ -1,267 +0,0 @@ -/* - * linux/arch/arm/mach-w90x900/mach-w90p910evb.c - * - * Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche - * - * Copyright (C) 2008 Nuvoton technology corporation. - * - * Wan ZongShun <mcuos.com@gmail.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation;version 2 of the License. - * - */ - -#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/mtd/physmap.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 <mach/map.h> - -#include "cpu.h" -/*w90p910 evb norflash driver data */ - -#define W90P910_FLASH_BASE 0xA0000000 -#define W90P910_FLASH_SIZE 0x400000 - -static struct mtd_partition w90p910_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 w90p910_flash_data = { - .width = 2, - .parts = w90p910_flash_partitions, - .nr_parts = ARRAY_SIZE(w90p910_flash_partitions), -}; - -static struct resource w90p910_flash_resources[] = { - { - .start = W90P910_FLASH_BASE, - .end = W90P910_FLASH_BASE + W90P910_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device w90p910_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &w90p910_flash_data, - }, - .resource = w90p910_flash_resources, - .num_resources = ARRAY_SIZE(w90p910_flash_resources), -}; - -/* USB EHCI Host Controller */ - -static struct resource w90x900_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 w90x900_device_usb_ehci_dmamask = 0xffffffffUL; - -struct platform_device w90x900_device_usb_ehci = { - .name = "w90x900-ehci", - .id = -1, - .num_resources = ARRAY_SIZE(w90x900_usb_ehci_resource), - .resource = w90x900_usb_ehci_resource, - .dev = { - .dma_mask = &w90x900_device_usb_ehci_dmamask, - .coherent_dma_mask = 0xffffffffUL - } -}; -EXPORT_SYMBOL(w90x900_device_usb_ehci); - -/* USB OHCI Host Controller */ - -static struct resource w90x900_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 w90x900_device_usb_ohci_dmamask = 0xffffffffUL; -struct platform_device w90x900_device_usb_ohci = { - .name = "w90x900-ohci", - .id = -1, - .num_resources = ARRAY_SIZE(w90x900_usb_ohci_resource), - .resource = w90x900_usb_ohci_resource, - .dev = { - .dma_mask = &w90x900_device_usb_ohci_dmamask, - .coherent_dma_mask = 0xffffffffUL - } -}; -EXPORT_SYMBOL(w90x900_device_usb_ohci); - -/*TouchScreen controller*/ - -static struct resource w90x900_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 w90x900_device_ts = { - .name = "w90x900-ts", - .id = -1, - .resource = w90x900_ts_resource, - .num_resources = ARRAY_SIZE(w90x900_ts_resource), -}; -EXPORT_SYMBOL(w90x900_device_ts); - -/* RTC controller*/ - -static struct resource w90x900_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 w90x900_device_rtc = { - .name = "w90x900-rtc", - .id = -1, - .num_resources = ARRAY_SIZE(w90x900_rtc_resource), - .resource = w90x900_rtc_resource, -}; -EXPORT_SYMBOL(w90x900_device_rtc); - -/* KPI controller*/ - -static struct resource w90x900_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 w90x900_device_kpi = { - .name = "w90x900-kpi", - .id = -1, - .num_resources = ARRAY_SIZE(w90x900_kpi_resource), - .resource = w90x900_kpi_resource, -}; -EXPORT_SYMBOL(w90x900_device_kpi); - -/* USB Device (Gadget)*/ - -static struct resource w90x900_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, - } -}; - -struct platform_device w90x900_device_usbgadget = { - .name = "w90x900-usbgadget", - .id = -1, - .num_resources = ARRAY_SIZE(w90x900_usbgadget_resource), - .resource = w90x900_usbgadget_resource, -}; -EXPORT_SYMBOL(w90x900_device_usbgadget); - -static struct map_desc w90p910_iodesc[] __initdata = { -}; - -/*Here should be your evb resourse,such as LCD*/ - -static struct platform_device *w90p910evb_dev[] __initdata = { - &w90p910_serial_device, - &w90p910_flash_device, - &w90x900_device_usb_ehci, - &w90x900_device_usb_ohci, - &w90x900_device_ts, - &w90x900_device_rtc, - &w90x900_device_kpi, - &w90x900_device_usbgadget, -}; - -static void __init w90p910evb_map_io(void) -{ - w90p910_map_io(w90p910_iodesc, ARRAY_SIZE(w90p910_iodesc)); - w90p910_init_clocks(); -} - -static void __init w90p910evb_init(void) -{ - platform_add_devices(w90p910evb_dev, ARRAY_SIZE(w90p910evb_dev)); -} - -MACHINE_START(W90P910EVB, "W90P910EVB") - /* Maintainer: Wan ZongShun */ - .phys_io = W90X900_PA_UART, - .io_pg_offst = (((u32)W90X900_VA_UART) >> 18) & 0xfffc, - .boot_params = 0, - .map_io = w90p910evb_map_io, - .init_irq = w90x900_init_irq, - .init_machine = w90p910evb_init, - .timer = &w90x900_timer, -MACHINE_END diff --git a/arch/arm/mach-w90x900/mfp-w90p910.c b/arch/arm/mach-w90x900/mfp-w90p910.c deleted file mode 100644 index a3520fefb5e7..000000000000 --- a/arch/arm/mach-w90x900/mfp-w90p910.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * linux/arch/arm/mach-w90x900/mfp-w90p910.c - * - * Copyright (c) 2008 Nuvoton technology corporation - * - * Wan ZongShun <mcuos.com@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation;version 2 of the License. - */ - -#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 ENKPI (0x02 << 2) -#define ENNAND (0x01 << 2) - -#define GPSELEI0 (0x01 << 26) -#define GPSELEI1 (0x01 << 27) - -static DECLARE_MUTEX(mfp_sem); - -void mfp_set_groupf(struct device *dev) -{ - unsigned long mfpen; - const char *dev_id; - - BUG_ON(!dev); - - down(&mfp_sem); - - dev_id = dev_name(dev); - - mfpen = __raw_readl(REG_MFSEL); - - if (strcmp(dev_id, "w90p910-emc") == 0) - mfpen |= GPSELF;/*enable mac*/ - else - mfpen &= ~GPSELF;/*GPIOF[9:0]*/ - - __raw_writel(mfpen, REG_MFSEL); - - up(&mfp_sem); -} -EXPORT_SYMBOL(mfp_set_groupf); - -void mfp_set_groupc(struct device *dev) -{ - unsigned long mfpen; - const char *dev_id; - - BUG_ON(!dev); - - down(&mfp_sem); - - dev_id = dev_name(dev); - - mfpen = __raw_readl(REG_MFSEL); - - if (strcmp(dev_id, "w90p910-lcd") == 0) - mfpen |= GPSELC;/*enable lcd*/ - else if (strcmp(dev_id, "w90p910-kpi") == 0) { - mfpen &= (~GPSELC);/*enable kpi*/ - mfpen |= ENKPI; - } else if (strcmp(dev_id, "w90p910-nand") == 0) { - mfpen &= (~GPSELC);/*enable nand*/ - mfpen |= ENNAND; - } else - mfpen &= (~GPSELC);/*GPIOC[14:0]*/ - - __raw_writel(mfpen, REG_MFSEL); - - up(&mfp_sem); -} -EXPORT_SYMBOL(mfp_set_groupc); - -void mfp_set_groupi(struct device *dev, int gpio) -{ - unsigned long mfpen; - const char *dev_id; - - BUG_ON(!dev); - - down(&mfp_sem); - - dev_id = dev_name(dev); - - mfpen = __raw_readl(REG_MFSEL); - - if (strcmp(dev_id, "w90p910-wdog") == 0) - mfpen |= GPSELEI1;/*enable wdog*/ - else if (strcmp(dev_id, "w90p910-atapi") == 0) - mfpen |= GPSELEI0;/*enable atapi*/ - - __raw_writel(mfpen, REG_MFSEL); - - up(&mfp_sem); -} -EXPORT_SYMBOL(mfp_set_groupi); - diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c new file mode 100644 index 000000000000..a47dc9a708ee --- /dev/null +++ b/arch/arm/mach-w90x900/mfp.c @@ -0,0 +1,158 @@ +/* + * linux/arch/arm/mach-w90x900/mfp.c + * + * Copyright (c) 2008 Nuvoton technology corporation + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation;version 2 of the License. + */ + +#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 ENKPI (0x02 << 2) +#define ENNAND (0x01 << 2) + +#define GPSELEI0 (0x01 << 26) +#define GPSELEI1 (0x01 << 27) + +#define GPIOG0TO1 (0x03 << 14) +#define GPIOG2TO3 (0x03 << 16) +#define ENSPI (0x0a << 14) +#define ENI2C0 (0x01 << 14) +#define ENI2C1 (0x01 << 16) + +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) +{ + 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-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 { + mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/ + } + + __raw_writel(mfpen, REG_MFSEL); + + mutex_unlock(&mfp_mutex); +} +EXPORT_SYMBOL(mfp_set_groupg); + diff --git a/arch/arm/mach-w90x900/nuc910.c b/arch/arm/mach-w90x900/nuc910.c new file mode 100644 index 000000000000..656f03b3b629 --- /dev/null +++ b/arch/arm/mach-w90x900/nuc910.c @@ -0,0 +1,60 @@ +/* + * 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 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation;version 2 of the License. + * + */ + +#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, +}; + +/* 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)); +} diff --git a/arch/arm/mach-w90x900/nuc910.h b/arch/arm/mach-w90x900/nuc910.h new file mode 100644 index 000000000000..83e9ba5fc26c --- /dev/null +++ b/arch/arm/mach-w90x900/nuc910.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-w90x900/nuc910.h + * + * Copyright (c) 2008 Nuvoton corporation + * + * Header file for NUC900 CPU support + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +struct map_desc; +struct sys_timer; + +/* core initialisation functions */ + +extern void nuc900_init_irq(void); +extern struct sys_timer nuc900_timer; + +/* extern file from nuc910.c */ + +extern void nuc910_board_init(void); +extern void nuc910_init_clocks(void); +extern void nuc910_map_io(void); diff --git a/arch/arm/mach-w90x900/nuc950.c b/arch/arm/mach-w90x900/nuc950.c new file mode 100644 index 000000000000..149508116d18 --- /dev/null +++ b/arch/arm/mach-w90x900/nuc950.c @@ -0,0 +1,54 @@ +/* + * 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 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation;version 2 of the License. + * + */ + +#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, +}; + +/* 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)); +} diff --git a/arch/arm/mach-w90x900/nuc950.h b/arch/arm/mach-w90x900/nuc950.h new file mode 100644 index 000000000000..98a1148bc5ae --- /dev/null +++ b/arch/arm/mach-w90x900/nuc950.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-w90x900/nuc950.h + * + * Copyright (c) 2008 Nuvoton corporation + * + * Header file for NUC900 CPU support + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +struct map_desc; +struct sys_timer; + +/* core initialisation functions */ + +extern void nuc900_init_irq(void); +extern struct sys_timer nuc900_timer; + +/* extern file from nuc950.c */ + +extern void nuc950_board_init(void); +extern void nuc950_init_clocks(void); +extern void nuc950_map_io(void); diff --git a/arch/arm/mach-w90x900/nuc960.c b/arch/arm/mach-w90x900/nuc960.c new file mode 100644 index 000000000000..8851a3a27ce2 --- /dev/null +++ b/arch/arm/mach-w90x900/nuc960.c @@ -0,0 +1,54 @@ +/* + * 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 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation;version 2 of the License. + * + */ + +#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)); +} diff --git a/arch/arm/mach-w90x900/nuc960.h b/arch/arm/mach-w90x900/nuc960.h new file mode 100644 index 000000000000..f0c07cbe3a82 --- /dev/null +++ b/arch/arm/mach-w90x900/nuc960.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-w90x900/nuc960.h + * + * Copyright (c) 2008 Nuvoton corporation + * + * Header file for NUC900 CPU support + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +struct map_desc; +struct sys_timer; + +/* core initialisation functions */ + +extern void nuc900_init_irq(void); +extern struct sys_timer nuc900_timer; + +/* extern file from nuc960.c */ + +extern void nuc960_board_init(void); +extern void nuc960_init_clocks(void); +extern void nuc960_map_io(void); diff --git a/arch/arm/mach-w90x900/time.c b/arch/arm/mach-w90x900/time.c index bcc838f6b393..4128af870b41 100644 --- a/arch/arm/mach-w90x900/time.c +++ b/arch/arm/mach-w90x900/time.c @@ -3,7 +3,7 @@ * * Based on linux/arch/arm/plat-s3c24xx/time.c by Ben Dooks * - * Copyright (c) 2008 Nuvoton technology corporation + * Copyright (c) 2009 Nuvoton technology corporation * All rights reserved. * * Wan ZongShun <mcuos.com@gmail.com> @@ -23,6 +23,8 @@ #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> @@ -31,49 +33,150 @@ #include <mach/map.h> #include <mach/regs-timer.h> -static unsigned long w90x900_gettimeoffset(void) +#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 */ + +unsigned int timer0_load; + +static void nuc900_clockevent_setmode(enum clock_event_mode mode, + struct clock_event_device *clk) { + unsigned int val; + + val = __raw_readl(REG_TCSR0); + val &= ~(0x03 << 27); + + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + __raw_writel(timer0_load, REG_TICR0); + val |= (PERIOD | COUNTEN | INTEN | PRESCALE); + break; + + case CLOCK_EVT_MODE_ONESHOT: + val |= (ONESHOT | COUNTEN | INTEN | PRESCALE); + break; + + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_RESUME: + break; + } + + __raw_writel(val, REG_TCSR0); +} + +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", + .shift = 32, + .features = CLOCK_EVT_MODE_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .set_mode = nuc900_clockevent_setmode, + .set_next_event = nuc900_clockevent_setnextevent, + .rating = 300, +}; + /*IRQ handler for the timer*/ -static irqreturn_t -w90x900_timer_interrupt(int irq, void *dev_id) +static irqreturn_t nuc900_timer0_interrupt(int irq, void *dev_id) { - timer_tick(); + 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 w90x900_timer_irq = { - .name = "w90x900 Timer Tick", +static struct irqaction nuc900_timer0_irq = { + .name = "nuc900-timer0", .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, - .handler = w90x900_timer_interrupt, + .handler = nuc900_timer0_interrupt, }; -/*Set up timer reg.*/ +static void __init nuc900_clockevents_init(unsigned int rate) +{ + nuc900_clockevent_device.mult = div_sc(rate, NSEC_PER_SEC, + nuc900_clockevent_device.shift); + nuc900_clockevent_device.max_delta_ns = clockevent_delta2ns(0xffffffff, + &nuc900_clockevent_device); + nuc900_clockevent_device.min_delta_ns = clockevent_delta2ns(0xf, + &nuc900_clockevent_device); + nuc900_clockevent_device.cpumask = cpumask_of(0); -static void w90x900_timer_setup(void) + clockevents_register_device(&nuc900_clockevent_device); +} + +static cycle_t nuc900_get_cycles(struct clocksource *cs) { - __raw_writel(0, REG_TCSR0); - __raw_writel(0, REG_TCSR1); - __raw_writel(0, REG_TCSR2); - __raw_writel(0, REG_TCSR3); - __raw_writel(0, REG_TCSR4); - __raw_writel(0x1F, REG_TISR); - __raw_writel(15000000/(100 * 100), REG_TICR0); - __raw_writel(0x68000063, REG_TCSR0); + return ~__raw_readl(REG_TDR1); } -static void __init w90x900_timer_init(void) +static struct clocksource clocksource_nuc900 = { + .name = "nuc900-timer1", + .rating = 200, + .read = nuc900_get_cycles, + .mask = CLOCKSOURCE_MASK(32), + .shift = 20, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +static void __init nuc900_clocksource_init(unsigned int rate) { - w90x900_timer_setup(); - setup_irq(IRQ_TIMER0, &w90x900_timer_irq); + unsigned int val; + + __raw_writel(0xffffffff, REG_TICR1); + + val = __raw_readl(REG_TCSR1); + val |= (COUNTEN | PERIOD); + __raw_writel(val, REG_TCSR1); + + clocksource_nuc900.mult = + clocksource_khz2mult((rate / 1000), clocksource_nuc900.shift); + clocksource_register(&clocksource_nuc900); +} + +static void __init nuc900_timer_init(void) +{ + struct clk *ck_ext = clk_get(NULL, "ext"); + unsigned int rate; + + BUG_ON(IS_ERR(ck_ext)); + + rate = clk_get_rate(ck_ext); + clk_put(ck_ext); + rate = rate / (PRESCALE + 0x01); + + /* set a known state */ + __raw_writel(0x00, REG_TCSR0); + __raw_writel(0x00, REG_TCSR1); + __raw_writel(RESETINT, REG_TISR); + timer0_load = (rate / TICKS_PER_SEC); + + setup_irq(IRQ_TIMER0, &nuc900_timer0_irq); + + nuc900_clocksource_init(rate); + nuc900_clockevents_init(rate); } -struct sys_timer w90x900_timer = { - .init = w90x900_timer_init, - .offset = w90x900_gettimeoffset, - .resume = w90x900_timer_setup +struct sys_timer nuc900_timer = { + .init = nuc900_timer_init, }; diff --git a/arch/arm/mach-w90x900/w90p910.c b/arch/arm/mach-w90x900/w90p910.c deleted file mode 100644 index 1c97e4930b7a..000000000000 --- a/arch/arm/mach-w90x900/w90p910.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * linux/arch/arm/mach-w90x900/w90p910.c - * - * Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks - * - * Copyright (c) 2008 Nuvoton technology corporation. - * - * Wan ZongShun <mcuos.com@gmail.com> - * - * W90P910 cpu support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation;version 2 of the License. - * - */ - -#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 <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/irq.h> -#include <asm/irq.h> - -#include <mach/hardware.h> -#include <mach/regs-serial.h> - -#include "cpu.h" -#include "clock.h" - -/* Initial IO mappings */ - -static struct map_desc w90p910_iodesc[] __initdata = { - IODESC_ENT(IRQ), - IODESC_ENT(GCR), - IODESC_ENT(UART), - IODESC_ENT(TIMER), - IODESC_ENT(EBI), - IODESC_ENT(USBEHCIHOST), - IODESC_ENT(USBOHCIHOST), - IODESC_ENT(ADC), - IODESC_ENT(RTC), - IODESC_ENT(KPI), - IODESC_ENT(USBDEV), - /*IODESC_ENT(LCD),*/ -}; - -/* Initial clock declarations. */ -static DEFINE_CLK(lcd, 0); -static DEFINE_CLK(audio, 1); -static DEFINE_CLK(fmi, 4); -static DEFINE_CLK(dmac, 5); -static DEFINE_CLK(atapi, 6); -static DEFINE_CLK(emc, 7); -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 struct clk_lookup w90p910_clkregs[] = { - DEF_CLKLOOK(&clk_lcd, "w90p910-lcd", NULL), - DEF_CLKLOOK(&clk_audio, "w90p910-audio", NULL), - DEF_CLKLOOK(&clk_fmi, "w90p910-fmi", NULL), - DEF_CLKLOOK(&clk_dmac, "w90p910-dmac", NULL), - DEF_CLKLOOK(&clk_atapi, "w90p910-atapi", NULL), - DEF_CLKLOOK(&clk_emc, "w90p910-emc", NULL), - DEF_CLKLOOK(&clk_usbd, "w90p910-usbd", NULL), - DEF_CLKLOOK(&clk_usbh, "w90p910-usbh", NULL), - DEF_CLKLOOK(&clk_g2d, "w90p910-g2d", NULL), - DEF_CLKLOOK(&clk_pwm, "w90p910-pwm", NULL), - DEF_CLKLOOK(&clk_ps2, "w90p910-ps2", NULL), - DEF_CLKLOOK(&clk_kpi, "w90p910-kpi", NULL), - DEF_CLKLOOK(&clk_wdt, "w90p910-wdt", NULL), - DEF_CLKLOOK(&clk_gdma, "w90p910-gdma", NULL), - DEF_CLKLOOK(&clk_adc, "w90p910-adc", NULL), - DEF_CLKLOOK(&clk_usi, "w90p910-usi", NULL), -}; - -/* Initial serial platform data */ - -struct plat_serial8250_port w90p910_uart_data[] = { - W90X900_8250PORT(UART0), -}; - -struct platform_device w90p910_serial_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = w90p910_uart_data, - }, -}; - -/*Init W90P910 evb io*/ - -void __init w90p910_map_io(struct map_desc *mach_desc, int mach_size) -{ - unsigned long idcode = 0x0; - - iotable_init(w90p910_iodesc, ARRAY_SIZE(w90p910_iodesc)); - - idcode = __raw_readl(W90X900PDID); - if (idcode != W90P910_CPUID) - printk(KERN_ERR "CPU type 0x%08lx is not W90P910\n", idcode); -} - -/*Init W90P910 clock*/ - -void __init w90p910_init_clocks(void) -{ - clks_register(w90p910_clkregs, ARRAY_SIZE(w90p910_clkregs)); -} - -static int __init w90p910_init_cpu(void) -{ - return 0; -} - -static int __init w90x900_arch_init(void) -{ - return w90p910_init_cpu(); -} -arch_initcall(w90x900_arch_init); |
