diff options
Diffstat (limited to 'arch/arm/mach-vt8500')
20 files changed, 384 insertions, 1563 deletions
diff --git a/arch/arm/mach-vt8500/Kconfig b/arch/arm/mach-vt8500/Kconfig deleted file mode 100644 index 2c20a341c11..00000000000 --- a/arch/arm/mach-vt8500/Kconfig +++ /dev/null @@ -1,73 +0,0 @@ -if ARCH_VT8500 - -config VTWM_VERSION_VT8500 - bool - -config VTWM_VERSION_WM8505 - bool - -config MACH_BV07 - bool "Benign BV07-8500 Mini Netbook" - depends on ARCH_VT8500 - select VTWM_VERSION_VT8500 - help - Add support for the inexpensive 7-inch netbooks sold by many - Chinese distributors under various names. Note that there are - many hardware implementations in identical exterior, make sure - that yours is indeed based on a VIA VT8500 chip. - -config MACH_WM8505_7IN_NETBOOK - bool "WM8505 7-inch generic netbook" - depends on ARCH_VT8500 - select VTWM_VERSION_WM8505 - help - Add support for the inexpensive 7-inch netbooks sold by many - Chinese distributors under various names. Note that there are - many hardware implementations in identical exterior, make sure - that yours is indeed based on a WonderMedia WM8505 chip. - -comment "LCD panel size" - -config WMT_PANEL_800X480 - bool "7-inch with 800x480 resolution" - depends on (FB_VT8500 || FB_WM8505) - default y - help - These are found in most of the netbooks in generic cases, as - well as in Eken M001 tablets and possibly elsewhere. - - To select this panel at runtime, say y here and append - 'panel=800x480' to your kernel command line. Otherwise, the - largest one available will be used. - -config WMT_PANEL_800X600 - bool "8-inch with 800x600 resolution" - depends on (FB_VT8500 || FB_WM8505) - help - These are found in Eken M003 tablets and possibly elsewhere. - - To select this panel at runtime, say y here and append - 'panel=800x600' to your kernel command line. Otherwise, the - largest one available will be used. - -config WMT_PANEL_1024X576 - bool "10-inch with 1024x576 resolution" - depends on (FB_VT8500 || FB_WM8505) - help - These are found in CherryPal netbooks and possibly elsewhere. - - To select this panel at runtime, say y here and append - 'panel=1024x576' to your kernel command line. Otherwise, the - largest one available will be used. - -config WMT_PANEL_1024X600 - bool "10-inch with 1024x600 resolution" - depends on (FB_VT8500 || FB_WM8505) - help - These are found in Eken M006 tablets and possibly elsewhere. - - To select this panel at runtime, say y here and append - 'panel=1024x600' to your kernel command line. Otherwise, the - largest one available will be used. - -endif diff --git a/arch/arm/mach-vt8500/Makefile b/arch/arm/mach-vt8500/Makefile index 7ce51767c99..e035251cda4 100644 --- a/arch/arm/mach-vt8500/Makefile +++ b/arch/arm/mach-vt8500/Makefile @@ -1,7 +1 @@ -obj-y += devices.o gpio.o irq.o timer.o restart.o - -obj-$(CONFIG_VTWM_VERSION_VT8500) += devices-vt8500.o -obj-$(CONFIG_VTWM_VERSION_WM8505) += devices-wm8505.o - -obj-$(CONFIG_MACH_BV07) += bv07.o -obj-$(CONFIG_MACH_WM8505_7IN_NETBOOK) += wm8505_7in.o +obj-$(CONFIG_ARCH_VT8500) += irq.o timer.o vt8500.o diff --git a/arch/arm/mach-vt8500/bv07.c b/arch/arm/mach-vt8500/bv07.c deleted file mode 100644 index f9fbeb2d10e..00000000000 --- a/arch/arm/mach-vt8500/bv07.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * arch/arm/mach-vt8500/bv07.c - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/io.h> -#include <linux/pm.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <mach/restart.h> - -#include "devices.h" - -static void __iomem *pmc_hiber; - -static struct platform_device *devices[] __initdata = { - &vt8500_device_uart0, - &vt8500_device_lcdc, - &vt8500_device_ehci, - &vt8500_device_ge_rops, - &vt8500_device_pwm, - &vt8500_device_pwmbl, - &vt8500_device_rtc, -}; - -static void vt8500_power_off(void) -{ - local_irq_disable(); - writew(5, pmc_hiber); - asm("mcr%? p15, 0, %0, c7, c0, 4" : : "r" (0)); -} - -void __init bv07_init(void) -{ -#ifdef CONFIG_FB_VT8500 - void __iomem *gpio_mux_reg = ioremap(wmt_gpio_base + 0x200, 4); - if (gpio_mux_reg) { - writel(readl(gpio_mux_reg) | 1, gpio_mux_reg); - iounmap(gpio_mux_reg); - } else { - printk(KERN_ERR "Could not remap the GPIO mux register, display may not work properly!\n"); - } -#endif - pmc_hiber = ioremap(wmt_pmc_base + 0x12, 2); - if (pmc_hiber) - pm_power_off = &vt8500_power_off; - else - printk(KERN_ERR "PMC Hibernation register could not be remapped, not enabling power off!\n"); - - wmt_setup_restart(); - vt8500_set_resources(); - platform_add_devices(devices, ARRAY_SIZE(devices)); - vt8500_gpio_init(); -} - -MACHINE_START(BV07, "Benign BV07 Mini Netbook") - .atag_offset = 0x100, - .restart = wmt_restart, - .reserve = vt8500_reserve_mem, - .map_io = vt8500_map_io, - .init_irq = vt8500_init_irq, - .timer = &vt8500_timer, - .init_machine = bv07_init, -MACHINE_END diff --git a/arch/arm/mach-vt8500/include/mach/vt8500fb.h b/arch/arm/mach-vt8500/common.h index 7f399c370fe..2b2419646e9 100644 --- a/arch/arm/mach-vt8500/include/mach/vt8500fb.h +++ b/arch/arm/mach-vt8500/common.h @@ -1,7 +1,6 @@ -/* - * VT8500/WM8505 Frame Buffer platform data definitions +/* linux/arch/arm/mach-vt8500/dt_common.h * - * Copyright (C) 2010 Ed Spiridonov <edo.rus@gmail.com> + * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz> * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -11,21 +10,19 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. + * */ -#ifndef _VT8500FB_H -#define _VT8500FB_H +#ifndef __ARCH_ARM_MACH_VT8500_DT_COMMON_H +#define __ARCH_ARM_MACH_VT8500_DT_COMMON_H + +#include <linux/of.h> -#include <linux/fb.h> +void __init vt8500_timer_init(void); +int __init vt8500_irq_init(struct device_node *node, + struct device_node *parent); -struct vt8500fb_platform_data { - struct fb_videomode mode; - u32 xres_virtual; - u32 yres_virtual; - u32 bpp; - unsigned long video_mem_phys; - void *video_mem_virt; - unsigned long video_mem_len; -}; +/* defined in drivers/clk/clk-vt8500.c */ +void __init vtwm_clk_init(void __iomem *pmc_base); -#endif /* _VT8500FB_H */ +#endif diff --git a/arch/arm/mach-vt8500/devices-vt8500.c b/arch/arm/mach-vt8500/devices-vt8500.c deleted file mode 100644 index 19519aeecf3..00000000000 --- a/arch/arm/mach-vt8500/devices-vt8500.c +++ /dev/null @@ -1,91 +0,0 @@ -/* linux/arch/arm/mach-vt8500/devices-vt8500.c - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/platform_device.h> - -#include <mach/vt8500_regs.h> -#include <mach/vt8500_irqs.h> -#include <mach/i8042.h> -#include "devices.h" - -void __init vt8500_set_resources(void) -{ - struct resource tmp[3]; - - tmp[0] = wmt_mmio_res(VT8500_LCDC_BASE, SZ_1K); - tmp[1] = wmt_irq_res(IRQ_LCDC); - wmt_res_add(&vt8500_device_lcdc, tmp, 2); - - tmp[0] = wmt_mmio_res(VT8500_UART0_BASE, 0x1040); - tmp[1] = wmt_irq_res(IRQ_UART0); - wmt_res_add(&vt8500_device_uart0, tmp, 2); - - tmp[0] = wmt_mmio_res(VT8500_UART1_BASE, 0x1040); - tmp[1] = wmt_irq_res(IRQ_UART1); - wmt_res_add(&vt8500_device_uart1, tmp, 2); - - tmp[0] = wmt_mmio_res(VT8500_UART2_BASE, 0x1040); - tmp[1] = wmt_irq_res(IRQ_UART2); - wmt_res_add(&vt8500_device_uart2, tmp, 2); - - tmp[0] = wmt_mmio_res(VT8500_UART3_BASE, 0x1040); - tmp[1] = wmt_irq_res(IRQ_UART3); - wmt_res_add(&vt8500_device_uart3, tmp, 2); - - tmp[0] = wmt_mmio_res(VT8500_EHCI_BASE, SZ_512); - tmp[1] = wmt_irq_res(IRQ_EHCI); - wmt_res_add(&vt8500_device_ehci, tmp, 2); - - tmp[0] = wmt_mmio_res(VT8500_GEGEA_BASE, SZ_256); - wmt_res_add(&vt8500_device_ge_rops, tmp, 1); - - tmp[0] = wmt_mmio_res(VT8500_PWM_BASE, 0x44); - wmt_res_add(&vt8500_device_pwm, tmp, 1); - - tmp[0] = wmt_mmio_res(VT8500_RTC_BASE, 0x2c); - tmp[1] = wmt_irq_res(IRQ_RTC); - tmp[2] = wmt_irq_res(IRQ_RTCSM); - wmt_res_add(&vt8500_device_rtc, tmp, 3); -} - -static void __init vt8500_set_externs(void) -{ - /* Non-resource-aware stuff */ - wmt_ic_base = VT8500_IC_BASE; - wmt_gpio_base = VT8500_GPIO_BASE; - wmt_pmc_base = VT8500_PMC_BASE; - wmt_i8042_base = VT8500_PS2_BASE; - - wmt_nr_irqs = VT8500_NR_IRQS; - wmt_timer_irq = IRQ_PMCOS0; - wmt_gpio_ext_irq[0] = IRQ_EXT0; - wmt_gpio_ext_irq[1] = IRQ_EXT1; - wmt_gpio_ext_irq[2] = IRQ_EXT2; - wmt_gpio_ext_irq[3] = IRQ_EXT3; - wmt_gpio_ext_irq[4] = IRQ_EXT4; - wmt_gpio_ext_irq[5] = IRQ_EXT5; - wmt_gpio_ext_irq[6] = IRQ_EXT6; - wmt_gpio_ext_irq[7] = IRQ_EXT7; - wmt_i8042_kbd_irq = IRQ_PS2KBD; - wmt_i8042_aux_irq = IRQ_PS2MOUSE; -} - -void __init vt8500_map_io(void) -{ - iotable_init(wmt_io_desc, ARRAY_SIZE(wmt_io_desc)); - - /* Should be done before interrupts and timers are initialized */ - vt8500_set_externs(); -} diff --git a/arch/arm/mach-vt8500/devices-wm8505.c b/arch/arm/mach-vt8500/devices-wm8505.c deleted file mode 100644 index db4594e029f..00000000000 --- a/arch/arm/mach-vt8500/devices-wm8505.c +++ /dev/null @@ -1,99 +0,0 @@ -/* linux/arch/arm/mach-vt8500/devices-wm8505.c - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/platform_device.h> - -#include <mach/wm8505_regs.h> -#include <mach/wm8505_irqs.h> -#include <mach/i8042.h> -#include "devices.h" - -void __init wm8505_set_resources(void) -{ - struct resource tmp[3]; - - tmp[0] = wmt_mmio_res(WM8505_GOVR_BASE, SZ_512); - wmt_res_add(&vt8500_device_wm8505_fb, tmp, 1); - - tmp[0] = wmt_mmio_res(WM8505_UART0_BASE, 0x1040); - tmp[1] = wmt_irq_res(IRQ_UART0); - wmt_res_add(&vt8500_device_uart0, tmp, 2); - - tmp[0] = wmt_mmio_res(WM8505_UART1_BASE, 0x1040); - tmp[1] = wmt_irq_res(IRQ_UART1); - wmt_res_add(&vt8500_device_uart1, tmp, 2); - - tmp[0] = wmt_mmio_res(WM8505_UART2_BASE, 0x1040); - tmp[1] = wmt_irq_res(IRQ_UART2); - wmt_res_add(&vt8500_device_uart2, tmp, 2); - - tmp[0] = wmt_mmio_res(WM8505_UART3_BASE, 0x1040); - tmp[1] = wmt_irq_res(IRQ_UART3); - wmt_res_add(&vt8500_device_uart3, tmp, 2); - - tmp[0] = wmt_mmio_res(WM8505_UART4_BASE, 0x1040); - tmp[1] = wmt_irq_res(IRQ_UART4); - wmt_res_add(&vt8500_device_uart4, tmp, 2); - - tmp[0] = wmt_mmio_res(WM8505_UART5_BASE, 0x1040); - tmp[1] = wmt_irq_res(IRQ_UART5); - wmt_res_add(&vt8500_device_uart5, tmp, 2); - - tmp[0] = wmt_mmio_res(WM8505_EHCI_BASE, SZ_512); - tmp[1] = wmt_irq_res(IRQ_EHCI); - wmt_res_add(&vt8500_device_ehci, tmp, 2); - - tmp[0] = wmt_mmio_res(WM8505_GEGEA_BASE, SZ_256); - wmt_res_add(&vt8500_device_ge_rops, tmp, 1); - - tmp[0] = wmt_mmio_res(WM8505_PWM_BASE, 0x44); - wmt_res_add(&vt8500_device_pwm, tmp, 1); - - tmp[0] = wmt_mmio_res(WM8505_RTC_BASE, 0x2c); - tmp[1] = wmt_irq_res(IRQ_RTC); - tmp[2] = wmt_irq_res(IRQ_RTCSM); - wmt_res_add(&vt8500_device_rtc, tmp, 3); -} - -static void __init wm8505_set_externs(void) -{ - /* Non-resource-aware stuff */ - wmt_ic_base = WM8505_IC_BASE; - wmt_sic_base = WM8505_SIC_BASE; - wmt_gpio_base = WM8505_GPIO_BASE; - wmt_pmc_base = WM8505_PMC_BASE; - wmt_i8042_base = WM8505_PS2_BASE; - - wmt_nr_irqs = WM8505_NR_IRQS; - wmt_timer_irq = IRQ_PMCOS0; - wmt_gpio_ext_irq[0] = IRQ_EXT0; - wmt_gpio_ext_irq[1] = IRQ_EXT1; - wmt_gpio_ext_irq[2] = IRQ_EXT2; - wmt_gpio_ext_irq[3] = IRQ_EXT3; - wmt_gpio_ext_irq[4] = IRQ_EXT4; - wmt_gpio_ext_irq[5] = IRQ_EXT5; - wmt_gpio_ext_irq[6] = IRQ_EXT6; - wmt_gpio_ext_irq[7] = IRQ_EXT7; - wmt_i8042_kbd_irq = IRQ_PS2KBD; - wmt_i8042_aux_irq = IRQ_PS2MOUSE; -} - -void __init wm8505_map_io(void) -{ - iotable_init(wmt_io_desc, ARRAY_SIZE(wmt_io_desc)); - - /* Should be done before interrupts and timers are initialized */ - wm8505_set_externs(); -} diff --git a/arch/arm/mach-vt8500/devices.c b/arch/arm/mach-vt8500/devices.c deleted file mode 100644 index 1fcdc36b358..00000000000 --- a/arch/arm/mach-vt8500/devices.c +++ /dev/null @@ -1,270 +0,0 @@ -/* linux/arch/arm/mach-vt8500/devices.c - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/kernel.h> -#include <linux/io.h> -#include <linux/device.h> -#include <linux/dma-mapping.h> -#include <linux/platform_device.h> -#include <linux/pwm_backlight.h> -#include <linux/memblock.h> - -#include <asm/mach/arch.h> - -#include <mach/vt8500fb.h> -#include <mach/i8042.h> -#include "devices.h" - -/* These can't use resources currently */ -unsigned long wmt_ic_base __initdata; -unsigned long wmt_sic_base __initdata; -unsigned long wmt_gpio_base __initdata; -unsigned long wmt_pmc_base __initdata; -unsigned long wmt_i8042_base __initdata; - -int wmt_nr_irqs __initdata; -int wmt_timer_irq __initdata; -int wmt_gpio_ext_irq[8] __initdata; - -/* Should remain accessible after init. - * i8042 driver desperately calls for attention... - */ -int wmt_i8042_kbd_irq; -int wmt_i8042_aux_irq; - -static u64 fb_dma_mask = DMA_BIT_MASK(32); - -struct platform_device vt8500_device_lcdc = { - .name = "vt8500-lcd", - .id = 0, - .dev = { - .dma_mask = &fb_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, -}; - -struct platform_device vt8500_device_wm8505_fb = { - .name = "wm8505-fb", - .id = 0, -}; - -/* Smallest to largest */ -static struct vt8500fb_platform_data panels[] = { -#ifdef CONFIG_WMT_PANEL_800X480 -{ - .xres_virtual = 800, - .yres_virtual = 480 * 2, - .mode = { - .name = "800x480", - .xres = 800, - .yres = 480, - .left_margin = 88, - .right_margin = 40, - .upper_margin = 32, - .lower_margin = 11, - .hsync_len = 0, - .vsync_len = 1, - .vmode = FB_VMODE_NONINTERLACED, - }, -}, -#endif -#ifdef CONFIG_WMT_PANEL_800X600 -{ - .xres_virtual = 800, - .yres_virtual = 600 * 2, - .mode = { - .name = "800x600", - .xres = 800, - .yres = 600, - .left_margin = 88, - .right_margin = 40, - .upper_margin = 32, - .lower_margin = 11, - .hsync_len = 0, - .vsync_len = 1, - .vmode = FB_VMODE_NONINTERLACED, - }, -}, -#endif -#ifdef CONFIG_WMT_PANEL_1024X576 -{ - .xres_virtual = 1024, - .yres_virtual = 576 * 2, - .mode = { - .name = "1024x576", - .xres = 1024, - .yres = 576, - .left_margin = 40, - .right_margin = 24, - .upper_margin = 32, - .lower_margin = 11, - .hsync_len = 96, - .vsync_len = 2, - .vmode = FB_VMODE_NONINTERLACED, - }, -}, -#endif -#ifdef CONFIG_WMT_PANEL_1024X600 -{ - .xres_virtual = 1024, - .yres_virtual = 600 * 2, - .mode = { - .name = "1024x600", - .xres = 1024, - .yres = 600, - .left_margin = 66, - .right_margin = 2, - .upper_margin = 19, - .lower_margin = 1, - .hsync_len = 23, - .vsync_len = 8, - .vmode = FB_VMODE_NONINTERLACED, - }, -}, -#endif -}; - -static int current_panel_idx __initdata = ARRAY_SIZE(panels) - 1; - -static int __init panel_setup(char *str) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(panels); i++) { - if (strcmp(panels[i].mode.name, str) == 0) { - current_panel_idx = i; - break; - } - } - return 0; -} - -early_param("panel", panel_setup); - -static inline void preallocate_fb(struct vt8500fb_platform_data *p, - unsigned long align) { - p->video_mem_len = (p->xres_virtual * p->yres_virtual * 4) >> - (p->bpp > 16 ? 0 : (p->bpp > 8 ? 1 : - (8 / p->bpp) + 1)); - p->video_mem_phys = (unsigned long)memblock_alloc(p->video_mem_len, - align); - p->video_mem_virt = phys_to_virt(p->video_mem_phys); -} - -struct platform_device vt8500_device_uart0 = { - .name = "vt8500_serial", - .id = 0, -}; - -struct platform_device vt8500_device_uart1 = { - .name = "vt8500_serial", - .id = 1, -}; - -struct platform_device vt8500_device_uart2 = { - .name = "vt8500_serial", - .id = 2, -}; - -struct platform_device vt8500_device_uart3 = { - .name = "vt8500_serial", - .id = 3, -}; - -struct platform_device vt8500_device_uart4 = { - .name = "vt8500_serial", - .id = 4, -}; - -struct platform_device vt8500_device_uart5 = { - .name = "vt8500_serial", - .id = 5, -}; - -static u64 ehci_dma_mask = DMA_BIT_MASK(32); - -struct platform_device vt8500_device_ehci = { - .name = "vt8500-ehci", - .id = 0, - .dev = { - .dma_mask = &ehci_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, -}; - -struct platform_device vt8500_device_ge_rops = { - .name = "wmt_ge_rops", - .id = -1, -}; - -struct platform_device vt8500_device_pwm = { - .name = "vt8500-pwm", - .id = 0, -}; - -static struct platform_pwm_backlight_data vt8500_pwmbl_data = { - .pwm_id = 0, - .max_brightness = 128, - .dft_brightness = 70, - .pwm_period_ns = 250000, /* revisit when clocks are implemented */ -}; - -struct platform_device vt8500_device_pwmbl = { - .name = "pwm-backlight", - .id = 0, - .dev = { - .platform_data = &vt8500_pwmbl_data, - }, -}; - -struct platform_device vt8500_device_rtc = { - .name = "vt8500-rtc", - .id = 0, -}; - -struct map_desc wmt_io_desc[] __initdata = { - /* SoC MMIO registers */ - [0] = { - .virtual = 0xf8000000, - .pfn = __phys_to_pfn(0xd8000000), - .length = 0x00390000, /* max of all chip variants */ - .type = MT_DEVICE - }, - /* PCI I/O space, numbers tied to those in <mach/io.h> */ - [1] = { - .virtual = 0xf0000000, - .pfn = __phys_to_pfn(0xc0000000), - .length = SZ_64K, - .type = MT_DEVICE - }, -}; - -void __init vt8500_reserve_mem(void) -{ -#ifdef CONFIG_FB_VT8500 - panels[current_panel_idx].bpp = 16; /* Always use RGB565 */ - preallocate_fb(&panels[current_panel_idx], SZ_4M); - vt8500_device_lcdc.dev.platform_data = &panels[current_panel_idx]; -#endif -} - -void __init wm8505_reserve_mem(void) -{ -#if defined CONFIG_FB_WM8505 - panels[current_panel_idx].bpp = 32; /* Always use RGB888 */ - preallocate_fb(&panels[current_panel_idx], 32); - vt8500_device_wm8505_fb.dev.platform_data = &panels[current_panel_idx]; -#endif -} diff --git a/arch/arm/mach-vt8500/devices.h b/arch/arm/mach-vt8500/devices.h deleted file mode 100644 index 188d4e17f35..00000000000 --- a/arch/arm/mach-vt8500/devices.h +++ /dev/null @@ -1,88 +0,0 @@ -/* linux/arch/arm/mach-vt8500/devices.h - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#ifndef __ARCH_ARM_MACH_VT8500_DEVICES_H -#define __ARCH_ARM_MACH_VT8500_DEVICES_H - -#include <linux/platform_device.h> -#include <asm/mach/map.h> - -void __init vt8500_init_irq(void); -void __init wm8505_init_irq(void); -void __init vt8500_map_io(void); -void __init wm8505_map_io(void); -void __init vt8500_reserve_mem(void); -void __init wm8505_reserve_mem(void); -void __init vt8500_gpio_init(void); -void __init vt8500_set_resources(void); -void __init wm8505_set_resources(void); - -extern unsigned long wmt_ic_base __initdata; -extern unsigned long wmt_sic_base __initdata; -extern unsigned long wmt_gpio_base __initdata; -extern unsigned long wmt_pmc_base __initdata; - -extern int wmt_nr_irqs __initdata; -extern int wmt_timer_irq __initdata; -extern int wmt_gpio_ext_irq[8] __initdata; - -extern struct map_desc wmt_io_desc[2] __initdata; - -static inline struct resource wmt_mmio_res(u32 start, u32 size) -{ - struct resource tmp = { - .flags = IORESOURCE_MEM, - .start = start, - .end = start + size - 1, - }; - - return tmp; -} - -static inline struct resource wmt_irq_res(int irq) -{ - struct resource tmp = { - .flags = IORESOURCE_IRQ, - .start = irq, - .end = irq, - }; - - return tmp; -} - -static inline void wmt_res_add(struct platform_device *pdev, - const struct resource *res, unsigned int num) -{ - if (unlikely(platform_device_add_resources(pdev, res, num))) - pr_err("Failed to assign resources\n"); -} - -extern struct sys_timer vt8500_timer; - -extern struct platform_device vt8500_device_uart0; -extern struct platform_device vt8500_device_uart1; -extern struct platform_device vt8500_device_uart2; -extern struct platform_device vt8500_device_uart3; -extern struct platform_device vt8500_device_uart4; -extern struct platform_device vt8500_device_uart5; - -extern struct platform_device vt8500_device_lcdc; -extern struct platform_device vt8500_device_wm8505_fb; -extern struct platform_device vt8500_device_ehci; -extern struct platform_device vt8500_device_ge_rops; -extern struct platform_device vt8500_device_pwm; -extern struct platform_device vt8500_device_pwmbl; -extern struct platform_device vt8500_device_rtc; -#endif diff --git a/arch/arm/mach-vt8500/gpio.c b/arch/arm/mach-vt8500/gpio.c deleted file mode 100644 index 2bcc0ec783d..00000000000 --- a/arch/arm/mach-vt8500/gpio.c +++ /dev/null @@ -1,240 +0,0 @@ -/* linux/arch/arm/mach-vt8500/gpio.c - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/io.h> - -#include "devices.h" - -#define to_vt8500(__chip) container_of(__chip, struct vt8500_gpio_chip, chip) - -#define ENABLE_REGS 0x0 -#define DIRECTION_REGS 0x20 -#define OUTVALUE_REGS 0x40 -#define INVALUE_REGS 0x60 - -#define EXT_REGOFF 0x1c - -static void __iomem *regbase; - -struct vt8500_gpio_chip { - struct gpio_chip chip; - unsigned int shift; - unsigned int regoff; -}; - -static int gpio_to_irq_map[8]; - -static int vt8500_muxed_gpio_request(struct gpio_chip *chip, - unsigned offset) -{ - struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); - unsigned val = readl(regbase + ENABLE_REGS + vt8500_chip->regoff); - - val |= (1 << vt8500_chip->shift << offset); - writel(val, regbase + ENABLE_REGS + vt8500_chip->regoff); - - return 0; -} - -static void vt8500_muxed_gpio_free(struct gpio_chip *chip, - unsigned offset) -{ - struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); - unsigned val = readl(regbase + ENABLE_REGS + vt8500_chip->regoff); - - val &= ~(1 << vt8500_chip->shift << offset); - writel(val, regbase + ENABLE_REGS + vt8500_chip->regoff); -} - -static int vt8500_muxed_gpio_direction_input(struct gpio_chip *chip, - unsigned offset) -{ - struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); - unsigned val = readl(regbase + DIRECTION_REGS + vt8500_chip->regoff); - - val &= ~(1 << vt8500_chip->shift << offset); - writel(val, regbase + DIRECTION_REGS + vt8500_chip->regoff); - - return 0; -} - -static int vt8500_muxed_gpio_direction_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); - unsigned val = readl(regbase + DIRECTION_REGS + vt8500_chip->regoff); - - val |= (1 << vt8500_chip->shift << offset); - writel(val, regbase + DIRECTION_REGS + vt8500_chip->regoff); - - if (value) { - val = readl(regbase + OUTVALUE_REGS + vt8500_chip->regoff); - val |= (1 << vt8500_chip->shift << offset); - writel(val, regbase + OUTVALUE_REGS + vt8500_chip->regoff); - } - return 0; -} - -static int vt8500_muxed_gpio_get_value(struct gpio_chip *chip, - unsigned offset) -{ - struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); - - return (readl(regbase + INVALUE_REGS + vt8500_chip->regoff) - >> vt8500_chip->shift >> offset) & 1; -} - -static void vt8500_muxed_gpio_set_value(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); - unsigned val = readl(regbase + INVALUE_REGS + vt8500_chip->regoff); - - if (value) - val |= (1 << vt8500_chip->shift << offset); - else - val &= ~(1 << vt8500_chip->shift << offset); - - writel(val, regbase + INVALUE_REGS + vt8500_chip->regoff); -} - -#define VT8500_GPIO_BANK(__name, __shift, __off, __base, __num) \ -{ \ - .chip = { \ - .label = __name, \ - .request = vt8500_muxed_gpio_request, \ - .free = vt8500_muxed_gpio_free, \ - .direction_input = vt8500_muxed_gpio_direction_input, \ - .direction_output = vt8500_muxed_gpio_direction_output, \ - .get = vt8500_muxed_gpio_get_value, \ - .set = vt8500_muxed_gpio_set_value, \ - .can_sleep = 0, \ - .base = __base, \ - .ngpio = __num, \ - }, \ - .shift = __shift, \ - .regoff = __off, \ -} - -static struct vt8500_gpio_chip vt8500_muxed_gpios[] = { - VT8500_GPIO_BANK("uart0", 0, 0x0, 8, 4), - VT8500_GPIO_BANK("uart1", 4, 0x0, 12, 4), - VT8500_GPIO_BANK("spi0", 8, 0x0, 16, 4), - VT8500_GPIO_BANK("spi1", 12, 0x0, 20, 4), - VT8500_GPIO_BANK("spi2", 16, 0x0, 24, 4), - VT8500_GPIO_BANK("pwmout", 24, 0x0, 28, 2), - - VT8500_GPIO_BANK("sdmmc", 0, 0x4, 30, 11), - VT8500_GPIO_BANK("ms", 16, 0x4, 41, 7), - VT8500_GPIO_BANK("i2c0", 24, 0x4, 48, 2), - VT8500_GPIO_BANK("i2c1", 26, 0x4, 50, 2), - - VT8500_GPIO_BANK("mii", 0, 0x8, 52, 20), - VT8500_GPIO_BANK("see", 20, 0x8, 72, 4), - VT8500_GPIO_BANK("ide", 24, 0x8, 76, 7), - - VT8500_GPIO_BANK("ccir", 0, 0xc, 83, 19), - - VT8500_GPIO_BANK("ts", 8, 0x10, 102, 11), - - VT8500_GPIO_BANK("lcd", 0, 0x14, 113, 23), -}; - -static int vt8500_gpio_direction_input(struct gpio_chip *chip, - unsigned offset) -{ - unsigned val = readl(regbase + DIRECTION_REGS + EXT_REGOFF); - - val &= ~(1 << offset); - writel(val, regbase + DIRECTION_REGS + EXT_REGOFF); - return 0; -} - -static int vt8500_gpio_direction_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - unsigned val = readl(regbase + DIRECTION_REGS + EXT_REGOFF); - - val |= (1 << offset); - writel(val, regbase + DIRECTION_REGS + EXT_REGOFF); - - if (value) { - val = readl(regbase + OUTVALUE_REGS + EXT_REGOFF); - val |= (1 << offset); - writel(val, regbase + OUTVALUE_REGS + EXT_REGOFF); - } - return 0; -} - -static int vt8500_gpio_get_value(struct gpio_chip *chip, - unsigned offset) -{ - return (readl(regbase + INVALUE_REGS + EXT_REGOFF) >> offset) & 1; -} - -static void vt8500_gpio_set_value(struct gpio_chip *chip, - unsigned offset, int value) -{ - unsigned val = readl(regbase + OUTVALUE_REGS + EXT_REGOFF); - - if (value) - val |= (1 << offset); - else - val &= ~(1 << offset); - - writel(val, regbase + OUTVALUE_REGS + EXT_REGOFF); -} - -static int vt8500_gpio_to_irq(struct gpio_chip *chip, unsigned offset) -{ - if (offset > 7) - return -EINVAL; - - return gpio_to_irq_map[offset]; -} - -static struct gpio_chip vt8500_external_gpios = { - .label = "extgpio", - .direction_input = vt8500_gpio_direction_input, - .direction_output = vt8500_gpio_direction_output, - .get = vt8500_gpio_get_value, - .set = vt8500_gpio_set_value, - .to_irq = vt8500_gpio_to_irq, - .can_sleep = 0, - .base = 0, - .ngpio = 8, -}; - -void __init vt8500_gpio_init(void) -{ - int i; - - for (i = 0; i < 8; i++) - gpio_to_irq_map[i] = wmt_gpio_ext_irq[i]; - - regbase = ioremap(wmt_gpio_base, SZ_64K); - if (!regbase) { - printk(KERN_ERR "Failed to map MMIO registers for GPIO\n"); - return; - } - - gpiochip_add(&vt8500_external_gpios); - - for (i = 0; i < ARRAY_SIZE(vt8500_muxed_gpios); i++) - gpiochip_add(&vt8500_muxed_gpios[i].chip); -} diff --git a/arch/arm/mach-vt8500/include/mach/gpio.h b/arch/arm/mach-vt8500/include/mach/gpio.h deleted file mode 100644 index 40a8c178f10..00000000000 --- a/arch/arm/mach-vt8500/include/mach/gpio.h +++ /dev/null @@ -1 +0,0 @@ -/* empty */ diff --git a/arch/arm/mach-vt8500/include/mach/restart.h b/arch/arm/mach-vt8500/include/mach/restart.h index 89f9b787d2a..738979518ac 100644 --- a/arch/arm/mach-vt8500/include/mach/restart.h +++ b/arch/arm/mach-vt8500/include/mach/restart.h @@ -13,5 +13,5 @@ * */ -void wmt_setup_restart(void); -void wmt_restart(char mode, const char *cmd); +void vt8500_setup_restart(void); +void vt8500_restart(char mode, const char *cmd); diff --git a/arch/arm/mach-vt8500/include/mach/vt8500_irqs.h b/arch/arm/mach-vt8500/include/mach/vt8500_irqs.h deleted file mode 100644 index ecfee912471..00000000000 --- a/arch/arm/mach-vt8500/include/mach/vt8500_irqs.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - * arch/arm/mach-vt8500/include/mach/vt8500_irqs.h - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* VT8500 Interrupt Sources */ - -#define IRQ_JPEGENC 0 /* JPEG Encoder */ -#define IRQ_JPEGDEC 1 /* JPEG Decoder */ - /* Reserved */ -#define IRQ_PATA 3 /* PATA Controller */ - /* Reserved */ -#define IRQ_DMA 5 /* DMA Controller */ -#define IRQ_EXT0 6 /* External Interrupt 0 */ -#define IRQ_EXT1 7 /* External Interrupt 1 */ -#define IRQ_GE 8 /* Graphic Engine */ -#define IRQ_GOV 9 /* Graphic Overlay Engine */ -#define IRQ_ETHER 10 /* Ethernet MAC */ -#define IRQ_MPEGTS 11 /* Transport Stream Interface */ -#define IRQ_LCDC 12 /* LCD Controller */ -#define IRQ_EXT2 13 /* External Interrupt 2 */ -#define IRQ_EXT3 14 /* External Interrupt 3 */ -#define IRQ_EXT4 15 /* External Interrupt 4 */ -#define IRQ_CIPHER 16 /* Cipher */ -#define IRQ_VPP 17 /* Video Post-Processor */ -#define IRQ_I2C1 18 /* I2C 1 */ -#define IRQ_I2C0 19 /* I2C 0 */ -#define IRQ_SDMMC 20 /* SD/MMC Controller */ -#define IRQ_SDMMC_DMA 21 /* SD/MMC Controller DMA */ -#define IRQ_PMC_WU 22 /* Power Management Controller Wakeup */ - /* Reserved */ -#define IRQ_SPI0 24 /* SPI 0 */ -#define IRQ_SPI1 25 /* SPI 1 */ -#define IRQ_SPI2 26 /* SPI 2 */ -#define IRQ_LCDDF 27 /* LCD Data Formatter */ -#define IRQ_NAND 28 /* NAND Flash Controller */ -#define IRQ_NAND_DMA 29 /* NAND Flash Controller DMA */ -#define IRQ_MS 30 /* MemoryStick Controller */ -#define IRQ_MS_DMA 31 /* MemoryStick Controller DMA */ -#define IRQ_UART0 32 /* UART 0 */ -#define IRQ_UART1 33 /* UART 1 */ -#define IRQ_I2S 34 /* I2S */ -#define IRQ_PCM 35 /* PCM */ -#define IRQ_PMCOS0 36 /* PMC OS Timer 0 */ -#define IRQ_PMCOS1 37 /* PMC OS Timer 1 */ -#define IRQ_PMCOS2 38 /* PMC OS Timer 2 */ -#define IRQ_PMCOS3 39 /* PMC OS Timer 3 */ -#define IRQ_VPU 40 /* Video Processing Unit */ -#define IRQ_VID 41 /* Video Digital Input Interface */ -#define IRQ_AC97 42 /* AC97 Interface */ -#define IRQ_EHCI 43 /* USB */ -#define IRQ_NOR 44 /* NOR Flash Controller */ -#define IRQ_PS2MOUSE 45 /* PS/2 Mouse */ -#define IRQ_PS2KBD 46 /* PS/2 Keyboard */ -#define IRQ_UART2 47 /* UART 2 */ -#define IRQ_RTC 48 /* RTC Interrupt */ -#define IRQ_RTCSM 49 /* RTC Second/Minute Update Interrupt */ -#define IRQ_UART3 50 /* UART 3 */ -#define IRQ_ADC 51 /* ADC */ -#define IRQ_EXT5 52 /* External Interrupt 5 */ -#define IRQ_EXT6 53 /* External Interrupt 6 */ -#define IRQ_EXT7 54 /* External Interrupt 7 */ -#define IRQ_CIR 55 /* CIR */ -#define IRQ_DMA0 56 /* DMA Channel 0 */ -#define IRQ_DMA1 57 /* DMA Channel 1 */ -#define IRQ_DMA2 58 /* DMA Channel 2 */ -#define IRQ_DMA3 59 /* DMA Channel 3 */ -#define IRQ_DMA4 60 /* DMA Channel 4 */ -#define IRQ_DMA5 61 /* DMA Channel 5 */ -#define IRQ_DMA6 62 /* DMA Channel 6 */ -#define IRQ_DMA7 63 /* DMA Channel 7 */ - -#define VT8500_NR_IRQS 64 diff --git a/arch/arm/mach-vt8500/include/mach/vt8500_regs.h b/arch/arm/mach-vt8500/include/mach/vt8500_regs.h deleted file mode 100644 index 29c63ecb238..00000000000 --- a/arch/arm/mach-vt8500/include/mach/vt8500_regs.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * arch/arm/mach-vt8500/include/mach/vt8500_regs.h - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef __ASM_ARM_ARCH_VT8500_REGS_H -#define __ASM_ARM_ARCH_VT8500_REGS_H - -/* VT8500 Registers Map */ - -#define VT8500_REGS_START_PHYS 0xd8000000 /* Start of MMIO registers */ -#define VT8500_REGS_START_VIRT 0xf8000000 /* Virtual mapping start */ - -#define VT8500_DDR_BASE 0xd8000000 /* 1k DDR/DDR2 Memory - Controller */ -#define VT8500_DMA_BASE 0xd8001000 /* 1k DMA Controller */ -#define VT8500_SFLASH_BASE 0xd8002000 /* 1k Serial Flash Memory - Controller */ -#define VT8500_ETHER_BASE 0xd8004000 /* 1k Ethernet MAC 0 */ -#define VT8500_CIPHER_BASE 0xd8006000 /* 4k Cipher */ -#define VT8500_USB_BASE 0xd8007800 /* 2k USB OTG */ -# define VT8500_EHCI_BASE 0xd8007900 /* EHCI */ -# define VT8500_UHCI_BASE 0xd8007b01 /* UHCI */ -#define VT8500_PATA_BASE 0xd8008000 /* 512 PATA */ -#define VT8500_PS2_BASE 0xd8008800 /* 1k PS/2 */ -#define VT8500_NAND_BASE 0xd8009000 /* 1k NAND Controller */ -#define VT8500_NOR_BASE 0xd8009400 /* 1k NOR Controller */ -#define VT8500_SDMMC_BASE 0xd800a000 /* 1k SD/MMC Controller */ -#define VT8500_MS_BASE 0xd800b000 /* 1k MS/MSPRO Controller */ -#define VT8500_LCDC_BASE 0xd800e400 /* 1k LCD Controller */ -#define VT8500_VPU_BASE 0xd8050000 /* 256 VPU */ -#define VT8500_GOV_BASE 0xd8050300 /* 256 GOV */ -#define VT8500_GEGEA_BASE 0xd8050400 /* 768 GE/GE Alpha Mixing */ -#define VT8500_LCDF_BASE 0xd8050900 /* 256 LCD Formatter */ -#define VT8500_VID_BASE 0xd8050a00 /* 256 VID */ -#define VT8500_VPP_BASE 0xd8050b00 /* 256 VPP */ -#define VT8500_TSBK_BASE 0xd80f4000 /* 4k TSBK */ -#define VT8500_JPEGDEC_BASE 0xd80fe000 /* 4k JPEG Decoder */ -#define VT8500_JPEGENC_BASE 0xd80ff000 /* 4k JPEG Encoder */ -#define VT8500_RTC_BASE 0xd8100000 /* 64k RTC */ -#define VT8500_GPIO_BASE 0xd8110000 /* 64k GPIO Configuration */ -#define VT8500_SCC_BASE 0xd8120000 /* 64k System Configuration*/ -#define VT8500_PMC_BASE 0xd8130000 /* 64k PMC Configuration */ -#define VT8500_IC_BASE 0xd8140000 /* 64k Interrupt Controller*/ -#define VT8500_UART0_BASE 0xd8200000 /* 64k UART 0 */ -#define VT8500_UART2_BASE 0xd8210000 /* 64k UART 2 */ -#define VT8500_PWM_BASE 0xd8220000 /* 64k PWM Configuration */ -#define VT8500_SPI0_BASE 0xd8240000 /* 64k SPI 0 */ -#define VT8500_SPI1_BASE 0xd8250000 /* 64k SPI 1 */ -#define VT8500_CIR_BASE 0xd8270000 /* 64k CIR */ -#define VT8500_I2C0_BASE 0xd8280000 /* 64k I2C 0 */ -#define VT8500_AC97_BASE 0xd8290000 /* 64k AC97 */ -#define VT8500_SPI2_BASE 0xd82a0000 /* 64k SPI 2 */ -#define VT8500_UART1_BASE 0xd82b0000 /* 64k UART 1 */ -#define VT8500_UART3_BASE 0xd82c0000 /* 64k UART 3 */ -#define VT8500_PCM_BASE 0xd82d0000 /* 64k PCM */ -#define VT8500_I2C1_BASE 0xd8320000 /* 64k I2C 1 */ -#define VT8500_I2S_BASE 0xd8330000 /* 64k I2S */ -#define VT8500_ADC_BASE 0xd8340000 /* 64k ADC */ - -#define VT8500_REGS_END_PHYS 0xd834ffff /* End of MMIO registers */ -#define VT8500_REGS_LENGTH (VT8500_REGS_END_PHYS \ - - VT8500_REGS_START_PHYS + 1) - -#endif diff --git a/arch/arm/mach-vt8500/include/mach/wm8505_irqs.h b/arch/arm/mach-vt8500/include/mach/wm8505_irqs.h deleted file mode 100644 index 6128627ac75..00000000000 --- a/arch/arm/mach-vt8500/include/mach/wm8505_irqs.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * arch/arm/mach-vt8500/include/mach/wm8505_irqs.h - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* WM8505 Interrupt Sources */ - -#define IRQ_UHCI 0 /* UHC FS (UHCI?) */ -#define IRQ_EHCI 1 /* UHC HS */ -#define IRQ_UDCDMA 2 /* UDC DMA */ - /* Reserved */ -#define IRQ_PS2MOUSE 4 /* PS/2 Mouse */ -#define IRQ_UDC 5 /* UDC */ -#define IRQ_EXT0 6 /* External Interrupt 0 */ -#define IRQ_EXT1 7 /* External Interrupt 1 */ -#define IRQ_KEYPAD 8 /* Keypad */ -#define IRQ_DMA 9 /* DMA Controller */ -#define IRQ_ETHER 10 /* Ethernet MAC */ - /* Reserved */ - /* Reserved */ -#define IRQ_EXT2 13 /* External Interrupt 2 */ -#define IRQ_EXT3 14 /* External Interrupt 3 */ -#define IRQ_EXT4 15 /* External Interrupt 4 */ -#define IRQ_APB 16 /* APB Bridge */ -#define IRQ_DMA0 17 /* DMA Channel 0 */ -#define IRQ_I2C1 18 /* I2C 1 */ -#define IRQ_I2C0 19 /* I2C 0 */ -#define IRQ_SDMMC 20 /* SD/MMC Controller */ -#define IRQ_SDMMC_DMA 21 /* SD/MMC Controller DMA */ -#define IRQ_PMC_WU 22 /* Power Management Controller Wakeup */ -#define IRQ_PS2KBD 23 /* PS/2 Keyboard */ -#define IRQ_SPI0 24 /* SPI 0 */ -#define IRQ_SPI1 25 /* SPI 1 */ -#define IRQ_SPI2 26 /* SPI 2 */ -#define IRQ_DMA1 27 /* DMA Channel 1 */ -#define IRQ_NAND 28 /* NAND Flash Controller */ -#define IRQ_NAND_DMA 29 /* NAND Flash Controller DMA */ -#define IRQ_UART5 30 /* UART 5 */ -#define IRQ_UART4 31 /* UART 4 */ -#define IRQ_UART0 32 /* UART 0 */ -#define IRQ_UART1 33 /* UART 1 */ -#define IRQ_DMA2 34 /* DMA Channel 2 */ -#define IRQ_I2S 35 /* I2S */ -#define IRQ_PMCOS0 36 /* PMC OS Timer 0 */ -#define IRQ_PMCOS1 37 /* PMC OS Timer 1 */ -#define IRQ_PMCOS2 38 /* PMC OS Timer 2 */ -#define IRQ_PMCOS3 39 /* PMC OS Timer 3 */ -#define IRQ_DMA3 40 /* DMA Channel 3 */ -#define IRQ_DMA4 41 /* DMA Channel 4 */ -#define IRQ_AC97 42 /* AC97 Interface */ - /* Reserved */ -#define IRQ_NOR 44 /* NOR Flash Controller */ -#define IRQ_DMA5 45 /* DMA Channel 5 */ -#define IRQ_DMA6 46 /* DMA Channel 6 */ -#define IRQ_UART2 47 /* UART 2 */ -#define IRQ_RTC 48 /* RTC Interrupt */ -#define IRQ_RTCSM 49 /* RTC Second/Minute Update Interrupt */ -#define IRQ_UART3 50 /* UART 3 */ -#define IRQ_DMA7 51 /* DMA Channel 7 */ -#define IRQ_EXT5 52 /* External Interrupt 5 */ -#define IRQ_EXT6 53 /* External Interrupt 6 */ -#define IRQ_EXT7 54 /* External Interrupt 7 */ -#define IRQ_CIR 55 /* CIR */ -#define IRQ_SIC0 56 /* SIC IRQ0 */ -#define IRQ_SIC1 57 /* SIC IRQ1 */ -#define IRQ_SIC2 58 /* SIC IRQ2 */ -#define IRQ_SIC3 59 /* SIC IRQ3 */ -#define IRQ_SIC4 60 /* SIC IRQ4 */ -#define IRQ_SIC5 61 /* SIC IRQ5 */ -#define IRQ_SIC6 62 /* SIC IRQ6 */ -#define IRQ_SIC7 63 /* SIC IRQ7 */ - /* Reserved */ -#define IRQ_JPEGDEC 65 /* JPEG Decoder */ -#define IRQ_SAE 66 /* SAE (?) */ - /* Reserved */ -#define IRQ_VPU 79 /* Video Processing Unit */ -#define IRQ_VPP 80 /* Video Post-Processor */ -#define IRQ_VID 81 /* Video Digital Input Interface */ -#define IRQ_SPU 82 /* SPU (?) */ -#define IRQ_PIP 83 /* PIP Error */ -#define IRQ_GE 84 /* Graphic Engine */ -#define IRQ_GOV 85 /* Graphic Overlay Engine */ -#define IRQ_DVO 86 /* Digital Video Output */ - /* Reserved */ -#define IRQ_DMA8 92 /* DMA Channel 8 */ -#define IRQ_DMA9 93 /* DMA Channel 9 */ -#define IRQ_DMA10 94 /* DMA Channel 10 */ -#define IRQ_DMA11 95 /* DMA Channel 11 */ -#define IRQ_DMA12 96 /* DMA Channel 12 */ -#define IRQ_DMA13 97 /* DMA Channel 13 */ -#define IRQ_DMA14 98 /* DMA Channel 14 */ -#define IRQ_DMA15 99 /* DMA Channel 15 */ - /* Reserved */ -#define IRQ_GOVW 111 /* GOVW (?) */ -#define IRQ_GOVRSDSCD 112 /* GOVR SDSCD (?) */ -#define IRQ_GOVRSDMIF 113 /* GOVR SDMIF (?) */ -#define IRQ_GOVRHDSCD 114 /* GOVR HDSCD (?) */ -#define IRQ_GOVRHDMIF 115 /* GOVR HDMIF (?) */ - -#define WM8505_NR_IRQS 116 diff --git a/arch/arm/mach-vt8500/include/mach/wm8505_regs.h b/arch/arm/mach-vt8500/include/mach/wm8505_regs.h deleted file mode 100644 index df1550941ef..00000000000 --- a/arch/arm/mach-vt8500/include/mach/wm8505_regs.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * arch/arm/mach-vt8500/include/mach/wm8505_regs.h - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef __ASM_ARM_ARCH_WM8505_REGS_H -#define __ASM_ARM_ARCH_WM8505_REGS_H - -/* WM8505 Registers Map */ - -#define WM8505_REGS_START_PHYS 0xd8000000 /* Start of MMIO registers */ -#define WM8505_REGS_START_VIRT 0xf8000000 /* Virtual mapping start */ - -#define WM8505_DDR_BASE 0xd8000400 /* 1k DDR/DDR2 Memory - Controller */ -#define WM8505_DMA_BASE 0xd8001800 /* 1k DMA Controller */ -#define WM8505_VDMA_BASE 0xd8001c00 /* 1k VDMA */ -#define WM8505_SFLASH_BASE 0xd8002000 /* 1k Serial Flash Memory - Controller */ -#define WM8505_ETHER_BASE 0xd8004000 /* 1k Ethernet MAC 0 */ -#define WM8505_CIPHER_BASE 0xd8006000 /* 4k Cipher */ -#define WM8505_USB_BASE 0xd8007000 /* 2k USB 2.0 Host */ -# define WM8505_EHCI_BASE 0xd8007100 /* EHCI */ -# define WM8505_UHCI_BASE 0xd8007301 /* UHCI */ -#define WM8505_PS2_BASE 0xd8008800 /* 1k PS/2 */ -#define WM8505_NAND_BASE 0xd8009000 /* 1k NAND Controller */ -#define WM8505_NOR_BASE 0xd8009400 /* 1k NOR Controller */ -#define WM8505_SDMMC_BASE 0xd800a000 /* 1k SD/MMC Controller */ -#define WM8505_VPU_BASE 0xd8050000 /* 256 VPU */ -#define WM8505_GOV_BASE 0xd8050300 /* 256 GOV */ -#define WM8505_GEGEA_BASE 0xd8050400 /* 768 GE/GE Alpha Mixing */ -#define WM8505_GOVR_BASE 0xd8050800 /* 512 GOVR (frambuffer) */ -#define WM8505_VID_BASE 0xd8050a00 /* 256 VID */ -#define WM8505_SCL_BASE 0xd8050d00 /* 256 SCL */ -#define WM8505_VPP_BASE 0xd8050f00 /* 256 VPP */ -#define WM8505_JPEGDEC_BASE 0xd80fe000 /* 4k JPEG Decoder */ -#define WM8505_RTC_BASE 0xd8100000 /* 64k RTC */ -#define WM8505_GPIO_BASE 0xd8110000 /* 64k GPIO Configuration */ -#define WM8505_SCC_BASE 0xd8120000 /* 64k System Configuration*/ -#define WM8505_PMC_BASE 0xd8130000 /* 64k PMC Configuration */ -#define WM8505_IC_BASE 0xd8140000 /* 64k Interrupt Controller*/ -#define WM8505_SIC_BASE 0xd8150000 /* 64k Secondary IC */ -#define WM8505_UART0_BASE 0xd8200000 /* 64k UART 0 */ -#define WM8505_UART2_BASE 0xd8210000 /* 64k UART 2 */ -#define WM8505_PWM_BASE 0xd8220000 /* 64k PWM Configuration */ -#define WM8505_SPI0_BASE 0xd8240000 /* 64k SPI 0 */ -#define WM8505_SPI1_BASE 0xd8250000 /* 64k SPI 1 */ -#define WM8505_KEYPAD_BASE 0xd8260000 /* 64k Keypad control */ -#define WM8505_CIR_BASE 0xd8270000 /* 64k CIR */ -#define WM8505_I2C0_BASE 0xd8280000 /* 64k I2C 0 */ -#define WM8505_AC97_BASE 0xd8290000 /* 64k AC97 */ -#define WM8505_SPI2_BASE 0xd82a0000 /* 64k SPI 2 */ -#define WM8505_UART1_BASE 0xd82b0000 /* 64k UART 1 */ -#define WM8505_UART3_BASE 0xd82c0000 /* 64k UART 3 */ -#define WM8505_I2C1_BASE 0xd8320000 /* 64k I2C 1 */ -#define WM8505_I2S_BASE 0xd8330000 /* 64k I2S */ -#define WM8505_UART4_BASE 0xd8370000 /* 64k UART 4 */ -#define WM8505_UART5_BASE 0xd8380000 /* 64k UART 5 */ - -#define WM8505_REGS_END_PHYS 0xd838ffff /* End of MMIO registers */ -#define WM8505_REGS_LENGTH (WM8505_REGS_END_PHYS \ - - WM8505_REGS_START_PHYS + 1) - -#endif diff --git a/arch/arm/mach-vt8500/irq.c b/arch/arm/mach-vt8500/irq.c index 642de0408f2..f8f9ab9bc56 100644 --- a/arch/arm/mach-vt8500/irq.c +++ b/arch/arm/mach-vt8500/irq.c @@ -1,6 +1,7 @@ /* * arch/arm/mach-vt8500/irq.c * + * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz> * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> * * This program is free software; you can redistribute it and/or modify @@ -18,81 +19,102 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/* + * This file is copied and modified from the original irq.c provided by + * Alexey Charkov. Minor changes have been made for Device Tree Support. + */ + +#include <linux/slab.h> #include <linux/io.h> #include <linux/irq.h> +#include <linux/irqdomain.h> #include <linux/interrupt.h> +#include <linux/bitops.h> + +#include <linux/of.h> +#include <linux/of_irq.h> +#include <linux/of_address.h> #include <asm/irq.h> -#include "devices.h" -#define VT8500_IC_DCTR 0x40 /* Destination control - register, 64*u8 */ -#define VT8500_INT_ENABLE (1 << 3) -#define VT8500_TRIGGER_HIGH (0 << 4) -#define VT8500_TRIGGER_RISING (1 << 4) -#define VT8500_TRIGGER_FALLING (2 << 4) +#define VT8500_ICPC_IRQ 0x20 +#define VT8500_ICPC_FIQ 0x24 +#define VT8500_ICDC 0x40 /* Destination Control 64*u32 */ +#define VT8500_ICIS 0x80 /* Interrupt status, 16*u32 */ + +/* ICPC */ +#define ICPC_MASK 0x3F +#define ICPC_ROTATE BIT(6) + +/* IC_DCTR */ +#define ICDC_IRQ 0x00 +#define ICDC_FIQ 0x01 +#define ICDC_DSS0 0x02 +#define ICDC_DSS1 0x03 +#define ICDC_DSS2 0x04 +#define ICDC_DSS3 0x05 +#define ICDC_DSS4 0x06 +#define ICDC_DSS5 0x07 + +#define VT8500_INT_DISABLE 0 +#define VT8500_INT_ENABLE BIT(3) + +#define VT8500_TRIGGER_HIGH 0 +#define VT8500_TRIGGER_RISING BIT(5) +#define VT8500_TRIGGER_FALLING BIT(6) #define VT8500_EDGE ( VT8500_TRIGGER_RISING \ | VT8500_TRIGGER_FALLING) -#define VT8500_IC_STATUS 0x80 /* Interrupt status, 2*u32 */ -static void __iomem *ic_regbase; -static void __iomem *sic_regbase; +static int irq_cnt; + +struct vt8500_irq_priv { + void __iomem *base; +}; static void vt8500_irq_mask(struct irq_data *d) { - void __iomem *base = ic_regbase; - unsigned irq = d->irq; + struct vt8500_irq_priv *priv = + (struct vt8500_irq_priv *)(d->domain->host_data); + void __iomem *base = priv->base; u8 edge; - if (irq >= 64) { - base = sic_regbase; - irq -= 64; - } - edge = readb(base + VT8500_IC_DCTR + irq) & VT8500_EDGE; + edge = readb(base + VT8500_ICDC + d->hwirq) & VT8500_EDGE; if (edge) { - void __iomem *stat_reg = base + VT8500_IC_STATUS - + (irq < 32 ? 0 : 4); + void __iomem *stat_reg = base + VT8500_ICIS + + (d->hwirq < 32 ? 0 : 4); unsigned status = readl(stat_reg); - status |= (1 << (irq & 0x1f)); + status |= (1 << (d->hwirq & 0x1f)); writel(status, stat_reg); } else { - u8 dctr = readb(base + VT8500_IC_DCTR + irq); + u8 dctr = readb(base + VT8500_ICDC + d->hwirq); dctr &= ~VT8500_INT_ENABLE; - writeb(dctr, base + VT8500_IC_DCTR + irq); + writeb(dctr, base + VT8500_ICDC + d->hwirq); } } static void vt8500_irq_unmask(struct irq_data *d) { - void __iomem *base = ic_regbase; - unsigned irq = d->irq; + struct vt8500_irq_priv *priv = + (struct vt8500_irq_priv *)(d->domain->host_data); + void __iomem *base = priv->base; u8 dctr; - if (irq >= 64) { - base = sic_regbase; - irq -= 64; - } - dctr = readb(base + VT8500_IC_DCTR + irq); + dctr = readb(base + VT8500_ICDC + d->hwirq); dctr |= VT8500_INT_ENABLE; - writeb(dctr, base + VT8500_IC_DCTR + irq); + writeb(dctr, base + VT8500_ICDC + d->hwirq); } static int vt8500_irq_set_type(struct irq_data *d, unsigned int flow_type) { - void __iomem *base = ic_regbase; - unsigned irq = d->irq; - unsigned orig_irq = irq; + struct vt8500_irq_priv *priv = + (struct vt8500_irq_priv *)(d->domain->host_data); + void __iomem *base = priv->base; u8 dctr; - if (irq >= 64) { - base = sic_regbase; - irq -= 64; - } - - dctr = readb(base + VT8500_IC_DCTR + irq); + dctr = readb(base + VT8500_ICDC + d->hwirq); dctr &= ~VT8500_EDGE; switch (flow_type) { @@ -100,18 +122,18 @@ static int vt8500_irq_set_type(struct irq_data *d, unsigned int flow_type) return -EINVAL; case IRQF_TRIGGER_HIGH: dctr |= VT8500_TRIGGER_HIGH; - __irq_set_handler_locked(orig_irq, handle_level_irq); + __irq_set_handler_locked(d->irq, handle_level_irq); break; case IRQF_TRIGGER_FALLING: dctr |= VT8500_TRIGGER_FALLING; - __irq_set_handler_locked(orig_irq, handle_edge_irq); + __irq_set_handler_locked(d->irq, handle_edge_irq); break; case IRQF_TRIGGER_RISING: dctr |= VT8500_TRIGGER_RISING; - __irq_set_handler_locked(orig_irq, handle_edge_irq); + __irq_set_handler_locked(d->irq, handle_edge_irq); break; } - writeb(dctr, base + VT8500_IC_DCTR + irq); + writeb(dctr, base + VT8500_ICDC + d->hwirq); return 0; } @@ -124,57 +146,76 @@ static struct irq_chip vt8500_irq_chip = { .irq_set_type = vt8500_irq_set_type, }; -void __init vt8500_init_irq(void) +static void __init vt8500_init_irq_hw(void __iomem *base) { unsigned int i; - ic_regbase = ioremap(wmt_ic_base, SZ_64K); + /* Enable rotating priority for IRQ */ + writel(ICPC_ROTATE, base + VT8500_ICPC_IRQ); + writel(0x00, base + VT8500_ICPC_FIQ); - if (ic_regbase) { - /* Enable rotating priority for IRQ */ - writel((1 << 6), ic_regbase + 0x20); - writel(0, ic_regbase + 0x24); + for (i = 0; i < 64; i++) { + /* Disable all interrupts and route them to IRQ */ + writeb(VT8500_INT_DISABLE | ICDC_IRQ, + base + VT8500_ICDC + i); + } +} - for (i = 0; i < wmt_nr_irqs; i++) { - /* Disable all interrupts and route them to IRQ */ - writeb(0x00, ic_regbase + VT8500_IC_DCTR + i); +static int vt8500_irq_map(struct irq_domain *h, unsigned int virq, + irq_hw_number_t hw) +{ + irq_set_chip_and_handler(virq, &vt8500_irq_chip, handle_level_irq); + set_irq_flags(virq, IRQF_VALID); - irq_set_chip_and_handler(i, &vt8500_irq_chip, - handle_level_irq); - set_irq_flags(i, IRQF_VALID); - } - } else { - printk(KERN_ERR "Unable to remap the Interrupt Controller registers, not enabling IRQs!\n"); - } + return 0; } -void __init wm8505_init_irq(void) +static struct irq_domain_ops vt8500_irq_domain_ops = { + .map = vt8500_irq_map, + .xlate = irq_domain_xlate_onecell, +}; + +int __init vt8500_irq_init(struct device_node *node, struct device_node *parent) { - unsigned int i; + struct irq_domain *vt8500_irq_domain; + struct vt8500_irq_priv *priv; + int irq, i; + struct device_node *np = node; + + priv = kzalloc(sizeof(struct vt8500_irq_priv), GFP_KERNEL); + priv->base = of_iomap(np, 0); + + vt8500_irq_domain = irq_domain_add_legacy(node, 64, irq_cnt, 0, + &vt8500_irq_domain_ops, priv); + if (!vt8500_irq_domain) + pr_err("%s: Unable to add wmt irq domain!\n", __func__); + + irq_set_default_host(vt8500_irq_domain); + + vt8500_init_irq_hw(priv->base); - ic_regbase = ioremap(wmt_ic_base, SZ_64K); - sic_regbase = ioremap(wmt_sic_base, SZ_64K); - - if (ic_regbase && sic_regbase) { - /* Enable rotating priority for IRQ */ - writel((1 << 6), ic_regbase + 0x20); - writel(0, ic_regbase + 0x24); - writel((1 << 6), sic_regbase + 0x20); - writel(0, sic_regbase + 0x24); - - for (i = 0; i < wmt_nr_irqs; i++) { - /* Disable all interrupts and route them to IRQ */ - if (i < 64) - writeb(0x00, ic_regbase + VT8500_IC_DCTR + i); - else - writeb(0x00, sic_regbase + VT8500_IC_DCTR - + i - 64); - - irq_set_chip_and_handler(i, &vt8500_irq_chip, - handle_level_irq); - set_irq_flags(i, IRQF_VALID); + pr_info("Added IRQ Controller @ %x [virq_base = %d]\n", + (u32)(priv->base), irq_cnt); + + /* check if this is a slaved controller */ + if (of_irq_count(np) != 0) { + /* check that we have the correct number of interrupts */ + if (of_irq_count(np) != 8) { + pr_err("%s: Incorrect IRQ map for slave controller\n", + __func__); + return -EINVAL; } - } else { - printk(KERN_ERR "Unable to remap the Interrupt Controller registers, not enabling IRQs!\n"); + + for (i = 0; i < 8; i++) { + irq = irq_of_parse_and_map(np, i); + enable_irq(irq); + } + + pr_info("vt8500-irq: Enabled slave->parent interrupts\n"); } + + irq_cnt += 64; + + return 0; } + diff --git a/arch/arm/mach-vt8500/restart.c b/arch/arm/mach-vt8500/restart.c deleted file mode 100644 index 497e89a5e13..00000000000 --- a/arch/arm/mach-vt8500/restart.c +++ /dev/null @@ -1,54 +0,0 @@ -/* linux/arch/arm/mach-vt8500/restart.c - * - * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ -#include <asm/io.h> -#include <linux/of.h> -#include <linux/of_address.h> - -#define LEGACY_PMC_BASE 0xD8130000 -#define WMT_PRIZM_PMSR_REG 0x60 - -static void __iomem *pmc_base; - -void wmt_setup_restart(void) -{ - struct device_node *np; - - /* - * Check if Power Mgmt Controller node is present in device tree. If no - * device tree node, use the legacy PMSR value (valid for all current - * SoCs). - */ - np = of_find_compatible_node(NULL, NULL, "wmt,prizm-pmc"); - if (np) { - pmc_base = of_iomap(np, 0); - - if (!pmc_base) - pr_err("%s:of_iomap(pmc) failed\n", __func__); - - of_node_put(np); - } else { - pmc_base = ioremap(LEGACY_PMC_BASE, 0x1000); - if (!pmc_base) { - pr_err("%s:ioremap(rstc) failed\n", __func__); - return; - } - } -} - -void wmt_restart(char mode, const char *cmd) -{ - if (pmc_base) - writel(1, pmc_base + WMT_PRIZM_PMSR_REG); -} diff --git a/arch/arm/mach-vt8500/timer.c b/arch/arm/mach-vt8500/timer.c index d5376c592ab..050e1833f2d 100644 --- a/arch/arm/mach-vt8500/timer.c +++ b/arch/arm/mach-vt8500/timer.c @@ -1,6 +1,7 @@ /* - * arch/arm/mach-vt8500/timer.c + * arch/arm/mach-vt8500/timer_dt.c * + * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz> * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> * * This program is free software; you can redistribute it and/or modify @@ -18,18 +19,25 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/* + * This file is copied and modified from the original timer.c provided by + * Alexey Charkov. Minor changes have been made for Device Tree Support. + */ + #include <linux/io.h> #include <linux/irq.h> #include <linux/interrupt.h> #include <linux/clocksource.h> #include <linux/clockchips.h> #include <linux/delay.h> - #include <asm/mach/time.h> -#include "devices.h" +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #define VT8500_TIMER_OFFSET 0x0100 +#define VT8500_TIMER_HZ 3000000 #define TIMER_MATCH_VAL 0x0000 #define TIMER_COUNT_VAL 0x0010 #define TIMER_STATUS_VAL 0x0014 @@ -39,7 +47,6 @@ #define TIMER_COUNT_R_ACTIVE (1 << 5) /* not ready for read */ #define TIMER_COUNT_W_ACTIVE (1 << 4) /* not ready for write */ #define TIMER_MATCH_W_ACTIVE (1 << 0) /* not ready for write */ -#define VT8500_TIMER_HZ 3000000 #define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t) @@ -55,7 +62,7 @@ static cycle_t vt8500_timer_read(struct clocksource *cs) return readl(regbase + TIMER_COUNT_VAL); } -struct clocksource clocksource = { +static struct clocksource clocksource = { .name = "vt8500_timer", .rating = 200, .read = vt8500_timer_read, @@ -98,7 +105,7 @@ static void vt8500_timer_set_mode(enum clock_event_mode mode, } } -struct clock_event_device clockevent = { +static struct clock_event_device clockevent = { .name = "vt8500_timer", .features = CLOCK_EVT_FEAT_ONESHOT, .rating = 200, @@ -115,26 +122,51 @@ static irqreturn_t vt8500_timer_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -struct irqaction irq = { +static struct irqaction irq = { .name = "vt8500_timer", .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = vt8500_timer_interrupt, .dev_id = &clockevent, }; -static void __init vt8500_timer_init(void) +static struct of_device_id vt8500_timer_ids[] = { + { .compatible = "via,vt8500-timer" }, + { } +}; + +void __init vt8500_timer_init(void) { - regbase = ioremap(wmt_pmc_base + VT8500_TIMER_OFFSET, 0x28); - if (!regbase) - printk(KERN_ERR "vt8500_timer_init: failed to map MMIO registers\n"); + struct device_node *np; + int timer_irq; + + np = of_find_matching_node(NULL, vt8500_timer_ids); + if (!np) { + pr_err("%s: Timer description missing from Device Tree\n", + __func__); + return; + } + regbase = of_iomap(np, 0); + if (!regbase) { + pr_err("%s: Missing iobase description in Device Tree\n", + __func__); + of_node_put(np); + return; + } + timer_irq = irq_of_parse_and_map(np, 0); + if (!timer_irq) { + pr_err("%s: Missing irq description in Device Tree\n", + __func__); + of_node_put(np); + return; + } writel(1, regbase + TIMER_CTRL_VAL); writel(0xf, regbase + TIMER_STATUS_VAL); writel(~0, regbase + TIMER_MATCH_VAL); if (clocksource_register_hz(&clocksource, VT8500_TIMER_HZ)) - printk(KERN_ERR "vt8500_timer_init: clocksource_register failed for %s\n", - clocksource.name); + pr_err("%s: vt8500_timer_init: clocksource_register failed for %s\n", + __func__, clocksource.name); clockevents_calc_mult_shift(&clockevent, VT8500_TIMER_HZ, 4); @@ -144,12 +176,9 @@ static void __init vt8500_timer_init(void) clockevent.min_delta_ns = clockevent_delta2ns(4, &clockevent); clockevent.cpumask = cpumask_of(0); - if (setup_irq(wmt_timer_irq, &irq)) - printk(KERN_ERR "vt8500_timer_init: setup_irq failed for %s\n", - clockevent.name); + if (setup_irq(timer_irq, &irq)) + pr_err("%s: setup_irq failed for %s\n", __func__, + clockevent.name); clockevents_register_device(&clockevent); } -struct sys_timer vt8500_timer = { - .init = vt8500_timer_init -}; diff --git a/arch/arm/mach-vt8500/vt8500.c b/arch/arm/mach-vt8500/vt8500.c new file mode 100644 index 00000000000..587ea950d08 --- /dev/null +++ b/arch/arm/mach-vt8500/vt8500.c @@ -0,0 +1,195 @@ +/* + * arch/arm/mach-vt8500/vt8500.c + * + * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/io.h> +#include <linux/pm.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/mach/map.h> + +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> + +#include <mach/restart.h> + +#include "common.h" + +#define LEGACY_GPIO_BASE 0xD8110000 +#define LEGACY_PMC_BASE 0xD8130000 + +/* Registers in GPIO Controller */ +#define VT8500_GPIO_MUX_REG 0x200 + +/* Registers in Power Management Controller */ +#define VT8500_HCR_REG 0x12 +#define VT8500_PMSR_REG 0x60 + +static void __iomem *pmc_base; + +void vt8500_restart(char mode, const char *cmd) +{ + if (pmc_base) + writel(1, pmc_base + VT8500_PMSR_REG); +} + +static struct map_desc vt8500_io_desc[] __initdata = { + /* SoC MMIO registers */ + [0] = { + .virtual = 0xf8000000, + .pfn = __phys_to_pfn(0xd8000000), + .length = 0x00390000, /* max of all chip variants */ + .type = MT_DEVICE + }, +}; + +void __init vt8500_map_io(void) +{ + iotable_init(vt8500_io_desc, ARRAY_SIZE(vt8500_io_desc)); +} + +static void vt8500_power_off(void) +{ + local_irq_disable(); + writew(5, pmc_base + VT8500_HCR_REG); + asm("mcr%? p15, 0, %0, c7, c0, 4" : : "r" (0)); +} + +void __init vt8500_init(void) +{ + struct device_node *np, *fb; + void __iomem *gpio_base; + +#ifdef CONFIG_FB_VT8500 + fb = of_find_compatible_node(NULL, NULL, "via,vt8500-fb"); + if (fb) { + np = of_find_compatible_node(NULL, NULL, "via,vt8500-gpio"); + if (np) { + gpio_base = of_iomap(np, 0); + + if (!gpio_base) + pr_err("%s: of_iomap(gpio_mux) failed\n", + __func__); + + of_node_put(np); + } else { + gpio_base = ioremap(LEGACY_GPIO_BASE, 0x1000); + if (!gpio_base) + pr_err("%s: ioremap(legacy_gpio_mux) failed\n", + __func__); + } + if (gpio_base) { + writel(readl(gpio_base + VT8500_GPIO_MUX_REG) | 1, + gpio_base + VT8500_GPIO_MUX_REG); + iounmap(gpio_base); + } else + pr_err("%s: Could not remap GPIO mux\n", __func__); + + of_node_put(fb); + } +#endif + +#ifdef CONFIG_FB_WM8505 + fb = of_find_compatible_node(NULL, NULL, "wm,wm8505-fb"); + if (fb) { + np = of_find_compatible_node(NULL, NULL, "wm,wm8505-gpio"); + if (!np) + np = of_find_compatible_node(NULL, NULL, + "wm,wm8650-gpio"); + if (np) { + gpio_base = of_iomap(np, 0); + + if (!gpio_base) + pr_err("%s: of_iomap(gpio_mux) failed\n", + __func__); + + of_node_put(np); + } else { + gpio_base = ioremap(LEGACY_GPIO_BASE, 0x1000); + if (!gpio_base) + pr_err("%s: ioremap(legacy_gpio_mux) failed\n", + __func__); + } + if (gpio_base) { + writel(readl(gpio_base + VT8500_GPIO_MUX_REG) | + 0x80000000, gpio_base + VT8500_GPIO_MUX_REG); + iounmap(gpio_base); + } else + pr_err("%s: Could not remap GPIO mux\n", __func__); + + of_node_put(fb); + } +#endif + + np = of_find_compatible_node(NULL, NULL, "via,vt8500-pmc"); + if (np) { + pmc_base = of_iomap(np, 0); + + if (!pmc_base) + pr_err("%s:of_iomap(pmc) failed\n", __func__); + + of_node_put(np); + } else { + pmc_base = ioremap(LEGACY_PMC_BASE, 0x1000); + if (!pmc_base) + pr_err("%s:ioremap(power_off) failed\n", __func__); + } + if (pmc_base) + pm_power_off = &vt8500_power_off; + else + pr_err("%s: PMC Hibernation register could not be remapped, not enabling power off!\n", __func__); + + vtwm_clk_init(pmc_base); + + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +} + +static const struct of_device_id vt8500_irq_match[] __initconst = { + { .compatible = "via,vt8500-intc", .data = vt8500_irq_init, }, + { /* sentinel */ }, +}; + +static void __init vt8500_init_irq(void) +{ + of_irq_init(vt8500_irq_match); +}; + +static struct sys_timer vt8500_timer = { + .init = vt8500_timer_init, +}; + +static const char * const vt8500_dt_compat[] = { + "via,vt8500", + "wm,wm8650", + "wm,wm8505", +}; + +DT_MACHINE_START(WMT_DT, "VIA/Wondermedia SoC (Device Tree Support)") + .dt_compat = vt8500_dt_compat, + .map_io = vt8500_map_io, + .init_irq = vt8500_init_irq, + .timer = &vt8500_timer, + .init_machine = vt8500_init, + .restart = vt8500_restart, +MACHINE_END + diff --git a/arch/arm/mach-vt8500/wm8505_7in.c b/arch/arm/mach-vt8500/wm8505_7in.c deleted file mode 100644 index db19886caf7..00000000000 --- a/arch/arm/mach-vt8500/wm8505_7in.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - * arch/arm/mach-vt8500/wm8505_7in.c - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/io.h> -#include <linux/pm.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <mach/restart.h> - -#include "devices.h" - -static void __iomem *pmc_hiber; - -static struct platform_device *devices[] __initdata = { - &vt8500_device_uart0, - &vt8500_device_ehci, - &vt8500_device_wm8505_fb, - &vt8500_device_ge_rops, - &vt8500_device_pwm, - &vt8500_device_pwmbl, - &vt8500_device_rtc, -}; - -static void vt8500_power_off(void) -{ - local_irq_disable(); - writew(5, pmc_hiber); - asm("mcr%? p15, 0, %0, c7, c0, 4" : : "r" (0)); -} - -void __init wm8505_7in_init(void) -{ -#ifdef CONFIG_FB_WM8505 - void __iomem *gpio_mux_reg = ioremap(wmt_gpio_base + 0x200, 4); - if (gpio_mux_reg) { - writel(readl(gpio_mux_reg) | 0x80000000, gpio_mux_reg); - iounmap(gpio_mux_reg); - } else { - printk(KERN_ERR "Could not remap the GPIO mux register, display may not work properly!\n"); - } -#endif - pmc_hiber = ioremap(wmt_pmc_base + 0x12, 2); - if (pmc_hiber) - pm_power_off = &vt8500_power_off; - else - printk(KERN_ERR "PMC Hibernation register could not be remapped, not enabling power off!\n"); - wmt_setup_restart(); - wm8505_set_resources(); - platform_add_devices(devices, ARRAY_SIZE(devices)); - vt8500_gpio_init(); -} - -MACHINE_START(WM8505_7IN_NETBOOK, "WM8505 7-inch generic netbook") - .atag_offset = 0x100, - .restart = wmt_restart, - .reserve = wm8505_reserve_mem, - .map_io = wm8505_map_io, - .init_irq = wm8505_init_irq, - .timer = &vt8500_timer, - .init_machine = wm8505_7in_init, -MACHINE_END |