| /* |
| * 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. |
| * |
| * Copyright (C) 2010 John Crispin <blogic@openwrt.org> |
| */ |
| #ifndef _LANTIQ_H__ |
| #define _LANTIQ_H__ |
| |
| #include <linux/irq.h> |
| |
| /* generic reg access functions */ |
| #define ltq_r32(reg) __raw_readl(reg) |
| #define ltq_w32(val, reg) __raw_writel(val, reg) |
| #define ltq_w32_mask(clear, set, reg) \ |
| ltq_w32((ltq_r32(reg) & ~(clear)) | (set), reg) |
| #define ltq_r8(reg) __raw_readb(reg) |
| #define ltq_w8(val, reg) __raw_writeb(val, reg) |
| |
| /* register access macros for EBU and CGU */ |
| #define ltq_ebu_w32(x, y) ltq_w32((x), ltq_ebu_membase + (y)) |
| #define ltq_ebu_r32(x) ltq_r32(ltq_ebu_membase + (x)) |
| #define ltq_cgu_w32(x, y) ltq_w32((x), ltq_cgu_membase + (y)) |
| #define ltq_cgu_r32(x) ltq_r32(ltq_cgu_membase + (x)) |
| |
| extern __iomem void *ltq_ebu_membase; |
| extern __iomem void *ltq_cgu_membase; |
| |
| extern unsigned int ltq_get_cpu_ver(void); |
| extern unsigned int ltq_get_soc_type(void); |
| |
| /* clock speeds */ |
| #define CLOCK_60M 60000000 |
| #define CLOCK_83M 83333333 |
| #define CLOCK_111M 111111111 |
| #define CLOCK_133M 133333333 |
| #define CLOCK_167M 166666667 |
| #define CLOCK_200M 200000000 |
| #define CLOCK_266M 266666666 |
| #define CLOCK_333M 333333333 |
| #define CLOCK_400M 400000000 |
| |
| /* spinlock all ebu i/o */ |
| extern spinlock_t ebu_lock; |
| |
| /* some irq helpers */ |
| extern void ltq_disable_irq(struct irq_data *data); |
| extern void ltq_mask_and_ack_irq(struct irq_data *data); |
| extern void ltq_enable_irq(struct irq_data *data); |
| |
| /* find out what caused the last cpu reset */ |
| extern int ltq_reset_cause(void); |
| #define LTQ_RST_CAUSE_WDTRST 0x20 |
| |
| #define IOPORT_RESOURCE_START 0x10000000 |
| #define IOPORT_RESOURCE_END 0xffffffff |
| #define IOMEM_RESOURCE_START 0x10000000 |
| #define IOMEM_RESOURCE_END 0xffffffff |
| #define LTQ_FLASH_START 0x10000000 |
| #define LTQ_FLASH_MAX 0x04000000 |
| |
| #endif |
