/* $NetBSD: arm_sa1100.cpp,v 1.3 2010/04/06 16:20:28 nonaka Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <arm/arm_arch.h>
#include <console.h>
#include <memory.h>
#include <arm/arm_sa1100.h>
/*
* Strong-ARM SA-1100 (e.g. HP-820 JORNADA)
*/
#define PAGE_SIZE 0x1000
#define DRAM_BANK_NUM 4 /* total 512MByte */
#define DRAM_BANK_SIZE 0x08000000 /* 128Mbyte */
#define DRAM_BANK0_START 0xc0000000
#define DRAM_BANK0_SIZE DRAM_BANK_SIZE
#define DRAM_BANK1_START 0xc8000000
#define DRAM_BANK1_SIZE DRAM_BANK_SIZE
#define DRAM_BANK2_START 0xd0000000
#define DRAM_BANK2_SIZE DRAM_BANK_SIZE
#define DRAM_BANK3_START 0xd8000000
#define DRAM_BANK3_SIZE DRAM_BANK_SIZE
#define ZERO_BANK_START 0xe0000000
#define ZERO_BANK_SIZE DRAM_BANK_SIZE
__BEGIN_DECLS
// 2nd bootloader
void boot_func_sa1100(kaddr_t, kaddr_t, kaddr_t, kaddr_t);
extern char boot_func_end_sa1100[];
#define BOOT_FUNC_START reinterpret_cast <vaddr_t>(boot_func_sa1100)
#define BOOT_FUNC_END reinterpret_cast <vaddr_t>(boot_func_end_sa1100)
/* jump to 2nd loader */
void FlatJump_sa1100(kaddr_t, kaddr_t, kaddr_t, kaddr_t);
__END_DECLS
SA1100Architecture::SA1100Architecture(Console *&cons, MemoryManager *&mem)
: ARMArchitecture(cons, mem)
{
DPRINTF((TEXT("SA-11x0 CPU.\n")));
}
SA1100Architecture::~SA1100Architecture(void)
{
}
BOOL
SA1100Architecture::init(void)
{
if (!_mem->init()) {
DPRINTF((TEXT("can't initialize memory manager.\n")));
return FALSE;
}
// set D-RAM information
_mem->loadBank(DRAM_BANK0_START, DRAM_BANK_SIZE);
_mem->loadBank(DRAM_BANK1_START, DRAM_BANK_SIZE);
_mem->loadBank(DRAM_BANK2_START, DRAM_BANK_SIZE);
_mem->loadBank(DRAM_BANK3_START, DRAM_BANK_SIZE);
// set D-cache information
dcachesize = 8192;
DPRINTF((TEXT("D-cache size = %d\n"), dcachesize));
return TRUE;
}
void
SA1100Architecture::testFramebuffer(void)
{
// get frame buffer address from LCD controller register.
paddr_t fbaddr_p = _mem->readPhysical4(0xb0100010); // 0xc0002e00
// map frame buffer
vaddr_t fbaddr_v = _mem->mapPhysicalPage(fbaddr_p, 0x50000,
PAGE_READWRITE);
// test frame buffer
int j, k;
DI();
for (j = 0; j < 480; j++)
for (k = 0; k < 640; k++)
VOLATILE_REF8(fbaddr_v + 0x200 + j * 640 + k)
= j * k & 0xff;
for (j = 120; j < 360; j++)
for (k = 120; k < 520; k++)
VOLATILE_REF8(fbaddr_v + 0x200 + j * 640 + k) = 0x3;
EI();
_mem->unmapPhysicalPage(fbaddr_v);
}
void
SA1100Architecture::testUART(void)
{
#define TBY VOLATILE_REF(uart + 0x20)
#define UTDR VOLATILE_REF(uart + 0x14)
#define TBY_BUSY while (TBY & 0x1)
#define UTDR_PUTCHAR(c) (UTDR =(c))
#define _(c) \
__BEGIN_MACRO \
TBY_BUSY; \
UTDR_PUTCHAR(c); \
__END_MACRO
vaddr_t uart =
_mem->mapPhysicalPage(0x80050000, 0x100, PAGE_READWRITE);
_('H');_('e');_('l');_('l');_('o');_(' ');
_('W');_('o');_('r');_('l');_('d');_('\r');_('\n');
_mem->unmapPhysicalPage(uart);
}
void
SA1100Architecture::dumpPeripheralRegs(void)
{
}
BOOL
SA1100Architecture::setupLoader(void)
{
vaddr_t v;
vsize_t sz = BOOT_FUNC_END - BOOT_FUNC_START;
// check 2nd bootloader size.
if (sz > _mem->getPageSize()) {
DPRINTF((TEXT("2nd bootloader size(%dbyte) is larger than page size(%d).\n"),
sz, _mem->getPageSize()));
return FALSE;
}
// get physical mapped page and copy loader to there.
// don't writeback D-cache here. make sure to writeback before jump.
if (!_mem->getPage(v , _loader_addr)) {
DPRINTF((TEXT("can't get page for 2nd loader.\n")));
return FALSE;
}
DPRINTF((TEXT("2nd bootloader vaddr=0x%08x paddr=0x%08x\n"),
(unsigned)v,(unsigned)_loader_addr));
memcpy(reinterpret_cast <LPVOID>(v),
reinterpret_cast <LPVOID>(BOOT_FUNC_START), sz);
DPRINTF((TEXT("2nd bootloader copy done.\n")));
return TRUE;
}
void
SA1100Architecture::jump(paddr_t info, paddr_t pvec)
{
kaddr_t sp;
vaddr_t v;
paddr_t p;
// stack for bootloader
_mem->getPage(v, p);
sp = ptokv(p) + _mem->getPageSize();
DPRINTF((TEXT("sp for bootloader = %08x + %08x = %08x\n"),
ptokv(p), _mem->getPageSize(), sp));
// writeback whole D-cache
WritebackDCache();
SetKMode(1);
FlatJump_sa1100(info, pvec, sp, _loader_addr);
// NOTREACHED
}