diff options
Diffstat (limited to 'arch/arm/mach-lh7a40x/arch-lpd7a40x.c')
| -rw-r--r-- | arch/arm/mach-lh7a40x/arch-lpd7a40x.c | 422 |
1 files changed, 0 insertions, 422 deletions
diff --git a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c deleted file mode 100644 index e735546..0000000 --- a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c +++ /dev/null @@ -1,422 +0,0 @@ -/* arch/arm/mach-lh7a40x/arch-lpd7a40x.c - * - * Copyright (C) 2004 Logic Product Development - * - * 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. - * - */ - -#include <linux/tty.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <linux/irq.h> - -#include <mach/hardware.h> -#include <asm/setup.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/irq.h> -#include <asm/mach/irq.h> -#include <asm/mach/map.h> - -#include "common.h" - -#define CPLD_INT_NETHERNET (1<<0) -#define CPLD_INTMASK_ETHERNET (1<<2) -#if defined (CONFIG_MACH_LPD7A400) -# define CPLD_INT_NTOUCH (1<<1) -# define CPLD_INTMASK_TOUCH (1<<3) -# define CPLD_INT_PEN (1<<4) -# define CPLD_INTMASK_PEN (1<<4) -# define CPLD_INT_PIRQ (1<<4) -#endif -#define CPLD_INTMASK_CPLD (1<<7) -#define CPLD_INT_CPLD (1<<6) - -#define CPLD_CONTROL_SWINT (1<<7) /* Disable all CPLD IRQs */ -#define CPLD_CONTROL_OCMSK (1<<6) /* Mask USB1 connect IRQ */ -#define CPLD_CONTROL_PDRV (1<<5) /* PCC_nDRV high */ -#define CPLD_CONTROL_USB1C (1<<4) /* USB1 connect IRQ active */ -#define CPLD_CONTROL_USB1P (1<<3) /* USB1 power disable */ -#define CPLD_CONTROL_AWKP (1<<2) /* Auto-wakeup disabled */ -#define CPLD_CONTROL_LCD_ENABLE (1<<1) /* LCD Vee enable */ -#define CPLD_CONTROL_WRLAN_NENABLE (1<<0) /* SMC91x power disable */ - - -static struct resource smc91x_resources[] = { - [0] = { - .start = CPLD00_PHYS, - .end = CPLD00_PHYS + CPLD00_SIZE - 1, /* Only needs 16B */ - .flags = IORESOURCE_MEM, - }, - - [1] = { - .start = IRQ_LPD7A40X_ETH_INT, - .end = IRQ_LPD7A40X_ETH_INT, - .flags = IORESOURCE_IRQ, - }, - -}; - -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = 0, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; - -static struct resource lh7a40x_usbclient_resources[] = { - [0] = { - .start = USB_PHYS, - .end = (USB_PHYS + PAGE_SIZE), - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_USB, - .end = IRQ_USB, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 lh7a40x_usbclient_dma_mask = 0xffffffffUL; - -static struct platform_device lh7a40x_usbclient_device = { -// .name = "lh7a40x_udc", - .name = "lh7-udc", - .id = 0, - .dev = { - .dma_mask = &lh7a40x_usbclient_dma_mask, - .coherent_dma_mask = 0xffffffffUL, - }, - .num_resources = ARRAY_SIZE (lh7a40x_usbclient_resources), - .resource = lh7a40x_usbclient_resources, -}; - -#if defined (CONFIG_ARCH_LH7A404) - -static struct resource lh7a404_usbhost_resources [] = { - [0] = { - .start = USBH_PHYS, - .end = (USBH_PHYS + 0xFF), - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_USHINTR, - .end = IRQ_USHINTR, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 lh7a404_usbhost_dma_mask = 0xffffffffUL; - -static struct platform_device lh7a404_usbhost_device = { - .name = "lh7a404-ohci", - .id = 0, - .dev = { - .dma_mask = &lh7a404_usbhost_dma_mask, - .coherent_dma_mask = 0xffffffffUL, - }, - .num_resources = ARRAY_SIZE (lh7a404_usbhost_resources), - .resource = lh7a404_usbhost_resources, -}; - -#endif - -static struct platform_device* lpd7a40x_devs[] __initdata = { - &smc91x_device, - &lh7a40x_usbclient_device, -#if defined (CONFIG_ARCH_LH7A404) - &lh7a404_usbhost_device, -#endif -}; - -extern void lpd7a400_map_io (void); - -static void __init lpd7a40x_init (void) -{ -#if defined (CONFIG_MACH_LPD7A400) - CPLD_CONTROL |= 0 - | CPLD_CONTROL_SWINT /* Disable software interrupt */ - | CPLD_CONTROL_OCMSK; /* Mask USB1 connection IRQ */ - CPLD_CONTROL &= ~(0 - | CPLD_CONTROL_LCD_ENABLE /* Disable LCD */ - | CPLD_CONTROL_WRLAN_NENABLE /* Enable SMC91x */ - ); -#endif - -#if defined (CONFIG_MACH_LPD7A404) - CPLD_CONTROL &= ~(0 - | CPLD_CONTROL_WRLAN_NENABLE /* Enable SMC91x */ - ); -#endif - - platform_add_devices (lpd7a40x_devs, ARRAY_SIZE (lpd7a40x_devs)); -#if defined (CONFIG_FB_ARMCLCD) - lh7a40x_clcd_init (); -#endif -} - -static void lh7a40x_ack_cpld_irq(struct irq_data *d) -{ - /* CPLD doesn't have ack capability, but some devices may */ - -#if defined (CPLD_INTMASK_TOUCH) - /* The touch control *must* mask the interrupt because the - * interrupt bit is read by the driver to determine if the pen - * is still down. */ - if (d->irq == IRQ_TOUCH) - CPLD_INTERRUPTS |= CPLD_INTMASK_TOUCH; -#endif -} - -static void lh7a40x_mask_cpld_irq(struct irq_data *d) -{ - switch (d->irq) { - case IRQ_LPD7A40X_ETH_INT: - CPLD_INTERRUPTS |= CPLD_INTMASK_ETHERNET; - break; -#if defined (IRQ_TOUCH) - case IRQ_TOUCH: - CPLD_INTERRUPTS |= CPLD_INTMASK_TOUCH; - break; -#endif - } -} - -static void lh7a40x_unmask_cpld_irq(struct irq_data *d) -{ - switch (d->irq) { - case IRQ_LPD7A40X_ETH_INT: - CPLD_INTERRUPTS &= ~CPLD_INTMASK_ETHERNET; - break; -#if defined (IRQ_TOUCH) - case IRQ_TOUCH: - CPLD_INTERRUPTS &= ~CPLD_INTMASK_TOUCH; - break; -#endif - } -} - -static struct irq_chip lpd7a40x_cpld_chip = { - .name = "CPLD", - .irq_ack = lh7a40x_ack_cpld_irq, - .irq_mask = lh7a40x_mask_cpld_irq, - .irq_unmask = lh7a40x_unmask_cpld_irq, -}; - -static void lpd7a40x_cpld_handler (unsigned int irq, struct irq_desc *desc) -{ - unsigned int mask = CPLD_INTERRUPTS; - - desc->irq_data.chip->irq_ack(&desc->irq_data); - - if ((mask & (1<<0)) == 0) /* WLAN */ - generic_handle_irq(IRQ_LPD7A40X_ETH_INT); - -#if defined (IRQ_TOUCH) - if ((mask & (1<<1)) == 0) /* Touch */ - generic_handle_irq(IRQ_TOUCH); -#endif - - /* Level-triggered need this */ - desc->irq_data.chip->irq_unmask(&desc->irq_data); -} - - -void __init lh7a40x_init_board_irq (void) -{ - int irq; - - /* Rev A (v2.8): PF0, PF1, PF2, and PF3 are available IRQs. - PF7 supports the CPLD. - Rev B (v3.4): PF0, PF1, and PF2 are available IRQs. - PF3 supports the CPLD. - (Some) LPD7A404 prerelease boards report a version - number of 0x16, but we force an override since the - hardware is of the newer variety. - */ - - unsigned char cpld_version = CPLD_REVISION; - int pinCPLD = (cpld_version == 0x28) ? 7 : 3; - -#if defined CONFIG_MACH_LPD7A404 - cpld_version = 0x34; /* Coerce LPD7A404 to RevB */ -#endif - - /* First, configure user controlled GPIOF interrupts */ - - GPIO_PFDD &= ~0x0f; /* PF0-3 are inputs */ - GPIO_INTTYPE1 &= ~0x0f; /* PF0-3 are level triggered */ - GPIO_INTTYPE2 &= ~0x0f; /* PF0-3 are active low */ - barrier (); - GPIO_GPIOFINTEN |= 0x0f; /* Enable PF0, PF1, PF2, and PF3 IRQs */ - - /* Then, configure CPLD interrupt */ - - /* Disable all CPLD interrupts */ -#if defined (CONFIG_MACH_LPD7A400) - CPLD_INTERRUPTS = CPLD_INTMASK_TOUCH | CPLD_INTMASK_PEN - | CPLD_INTMASK_ETHERNET; - /* *** FIXME: don't know why we need 7 and 4. 7 is way wrong - and 4 is uncefined. */ - // (1<<7)|(1<<4)|(1<<3)|(1<<2); -#endif -#if defined (CONFIG_MACH_LPD7A404) - CPLD_INTERRUPTS = CPLD_INTMASK_ETHERNET; - /* *** FIXME: don't know why we need 6 and 5, neither is defined. */ - // (1<<6)|(1<<5)|(1<<3); -#endif - GPIO_PFDD &= ~(1 << pinCPLD); /* Make input */ - GPIO_INTTYPE1 &= ~(1 << pinCPLD); /* Level triggered */ - GPIO_INTTYPE2 &= ~(1 << pinCPLD); /* Active low */ - barrier (); - GPIO_GPIOFINTEN |= (1 << pinCPLD); /* Enable */ - - /* Cascade CPLD interrupts */ - - for (irq = IRQ_BOARD_START; - irq < IRQ_BOARD_START + NR_IRQ_BOARD; ++irq) { - set_irq_chip (irq, &lpd7a40x_cpld_chip); - set_irq_handler (irq, handle_level_irq); - set_irq_flags (irq, IRQF_VALID); - } - - set_irq_chained_handler ((cpld_version == 0x28) - ? IRQ_CPLD_V28 - : IRQ_CPLD_V34, - lpd7a40x_cpld_handler); -} - -static struct map_desc lpd7a40x_io_desc[] __initdata = { - { - .virtual = IO_VIRT, - .pfn = __phys_to_pfn(IO_PHYS), - .length = IO_SIZE, - .type = MT_DEVICE - }, - { /* Mapping added to work around chip select problems */ - .virtual = IOBARRIER_VIRT, - .pfn = __phys_to_pfn(IOBARRIER_PHYS), - .length = IOBARRIER_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CF_VIRT, - .pfn = __phys_to_pfn(CF_PHYS), - .length = CF_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD02_VIRT, - .pfn = __phys_to_pfn(CPLD02_PHYS), - .length = CPLD02_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD06_VIRT, - .pfn = __phys_to_pfn(CPLD06_PHYS), - .length = CPLD06_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD08_VIRT, - .pfn = __phys_to_pfn(CPLD08_PHYS), - .length = CPLD08_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD08_VIRT, - .pfn = __phys_to_pfn(CPLD08_PHYS), - .length = CPLD08_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD0A_VIRT, - .pfn = __phys_to_pfn(CPLD0A_PHYS), - .length = CPLD0A_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD0C_VIRT, - .pfn = __phys_to_pfn(CPLD0C_PHYS), - .length = CPLD0C_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD0E_VIRT, - .pfn = __phys_to_pfn(CPLD0E_PHYS), - .length = CPLD0E_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD10_VIRT, - .pfn = __phys_to_pfn(CPLD10_PHYS), - .length = CPLD10_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD12_VIRT, - .pfn = __phys_to_pfn(CPLD12_PHYS), - .length = CPLD12_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD14_VIRT, - .pfn = __phys_to_pfn(CPLD14_PHYS), - .length = CPLD14_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD16_VIRT, - .pfn = __phys_to_pfn(CPLD16_PHYS), - .length = CPLD16_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD18_VIRT, - .pfn = __phys_to_pfn(CPLD18_PHYS), - .length = CPLD18_SIZE, - .type = MT_DEVICE - }, - { - .virtual = CPLD1A_VIRT, - .pfn = __phys_to_pfn(CPLD1A_PHYS), - .length = CPLD1A_SIZE, - .type = MT_DEVICE - }, -}; - -void __init -lpd7a40x_map_io(void) -{ - iotable_init (lpd7a40x_io_desc, ARRAY_SIZE (lpd7a40x_io_desc)); -} - -#ifdef CONFIG_MACH_LPD7A400 - -MACHINE_START (LPD7A400, "Logic Product Development LPD7A400-10") - /* Maintainer: Marc Singer */ - .boot_params = 0xc0000100, - .map_io = lpd7a40x_map_io, - .init_irq = lh7a400_init_irq, - .timer = &lh7a40x_timer, - .init_machine = lpd7a40x_init, -MACHINE_END - -#endif - -#ifdef CONFIG_MACH_LPD7A404 - -MACHINE_START (LPD7A404, "Logic Product Development LPD7A404-10") - /* Maintainer: Marc Singer */ - .boot_params = 0xc0000100, - .map_io = lpd7a40x_map_io, - .init_irq = lh7a404_init_irq, - .timer = &lh7a40x_timer, - .init_machine = lpd7a40x_init, -MACHINE_END - -#endif |
