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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2011 by Amaury Pouly
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __IMX233_H__
#define __IMX233_H__
/*
* Chip Memory Map:
* 0x00000000 - 0x00007fff: on chip ram
* 0x40000000 - 0x5fffffff: dram (512Mb max)
* 0x80000000 - 0x80100000: memory mapped registers
* We use the following map:
* 0x60000000 - 0x7fffffff: dram (cached)
* 0x90000000 - 0xafffffff: dram (buffered)
* everything else : identity mapped (uncached)
*
* As a side note it's important to notice that uncached dram is identity mapped
*/
#define IRAM_ORIG 0
#define IRAM_SIZE 0x8000
#define DRAM_ORIG 0x40000000
#define DRAM_SIZE (MEMORYSIZE * 0x100000)
#define UNCACHED_DRAM_ADDR 0x40000000
#define CACHED_DRAM_ADDR 0x60000000
#define BUFFERED_DRAM_ADDR 0x90000000
#define CACHEALIGN_SIZE 32
#define NOCACHE_BASE (UNCACHED_DRAM_ADDR - CACHED_DRAM_ADDR)
#define PHYSICAL_ADDR(a) \
((typeof(a))((uintptr_t)(a) >= CACHED_DRAM_ADDR ? \
((uintptr_t)(a) - CACHED_DRAM_ADDR + UNCACHED_DRAM_ADDR) \
:(uintptr_t)(a)))
#define UNCACHED_ADDR(a) PHYSICAL_ADDR(a)
#define TTB_BASE_ADDR (DRAM_ORIG + DRAM_SIZE - TTB_SIZE)
#define TTB_SIZE 0x4000
#define TTB_BASE ((unsigned long *)TTB_BASE_ADDR)
#define FRAME_SIZE (LCD_WIDTH * LCD_HEIGHT * LCD_DEPTH / 8)
#define FRAME_PHYS_ADDR (DRAM_ORIG + DRAM_SIZE - TTB_SIZE - FRAME_SIZE)
#define FRAME ((void *)(FRAME_PHYS_ADDR - UNCACHED_DRAM_ADDR + BUFFERED_DRAM_ADDR))
/* Timer runs at APBX speed which is derived from ref_xtal@24MHz */
#define TIMER_FREQ 24000000
#ifdef SANSA_FUZEPLUS
#define TICK_TIMER_NR 0
#define USER_TIMER_NR 1
#else
#error Select timers !
#endif
/* USBOTG */
#define USB_QHARRAY_ATTR __attribute__((section(".qharray"),nocommon,aligned(2048)))
#define USB_NUM_ENDPOINTS 5
#define USB_DEVBSS_ATTR NOCACHEBSS_ATTR
#define USB_BASE 0x80080000
/*
#define QHARRAY_SIZE ((64*USB_NUM_ENDPOINTS*2 + 2047) & (0xffffffff - 2047))
#define QHARRAY_PHYS_ADDR ((FRAME_PHYS_ADDR - QHARRAY_SIZE) & (0xffffffff - 2047))
*/
#define __REG_SET(reg) (*((volatile uint32_t *)(® + 1)))
#define __REG_CLR(reg) (*((volatile uint32_t *)(® + 2)))
#define __REG_TOG(reg) (*((volatile uint32_t *)(® + 3)))
#define __BLOCK_SFTRST (1 << 31)
#define __BLOCK_CLKGATE (1 << 30)
#define CACHEALIGN_BITS 4
#define __XTRACT(reg, field) ((reg & reg##__##field##_BM) >> reg##__##field##_BP)
#define __XTRACT_EX(val, field) (((val) & field##_BM) >> field##_BP)
#define __FIELD_SET(reg, field, val) reg = (reg & ~reg##__##field##_BM) | (val << reg##__##field##_BP)
#endif /* __IMX233_H__ */
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