1*569b7f92Snonaka /* $NetBSD: arm_sa1100.cpp,v 1.3 2010/04/06 16:20:28 nonaka Exp $ */
23af75740Srafal
33af75740Srafal /*-
43af75740Srafal * Copyright (c) 2001 The NetBSD Foundation, Inc.
53af75740Srafal * All rights reserved.
63af75740Srafal *
73af75740Srafal * This code is derived from software contributed to The NetBSD Foundation
83af75740Srafal * by UCHIYAMA Yasushi.
93af75740Srafal *
103af75740Srafal * Redistribution and use in source and binary forms, with or without
113af75740Srafal * modification, are permitted provided that the following conditions
123af75740Srafal * are met:
133af75740Srafal * 1. Redistributions of source code must retain the above copyright
143af75740Srafal * notice, this list of conditions and the following disclaimer.
153af75740Srafal * 2. Redistributions in binary form must reproduce the above copyright
163af75740Srafal * notice, this list of conditions and the following disclaimer in the
173af75740Srafal * documentation and/or other materials provided with the distribution.
183af75740Srafal *
193af75740Srafal * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
203af75740Srafal * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
213af75740Srafal * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
223af75740Srafal * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
233af75740Srafal * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
243af75740Srafal * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
253af75740Srafal * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
263af75740Srafal * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
273af75740Srafal * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
283af75740Srafal * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
293af75740Srafal * POSSIBILITY OF SUCH DAMAGE.
303af75740Srafal */
313af75740Srafal
323af75740Srafal #include <arm/arm_arch.h>
333af75740Srafal #include <console.h>
343af75740Srafal #include <memory.h>
353af75740Srafal #include <arm/arm_sa1100.h>
363af75740Srafal
373af75740Srafal /*
383af75740Srafal * Strong-ARM SA-1100 (e.g. HP-820 JORNADA)
393af75740Srafal */
403af75740Srafal
413af75740Srafal #define PAGE_SIZE 0x1000
423af75740Srafal #define DRAM_BANK_NUM 4 /* total 512MByte */
433af75740Srafal #define DRAM_BANK_SIZE 0x08000000 /* 128Mbyte */
443af75740Srafal
453af75740Srafal #define DRAM_BANK0_START 0xc0000000
463af75740Srafal #define DRAM_BANK0_SIZE DRAM_BANK_SIZE
473af75740Srafal #define DRAM_BANK1_START 0xc8000000
483af75740Srafal #define DRAM_BANK1_SIZE DRAM_BANK_SIZE
493af75740Srafal #define DRAM_BANK2_START 0xd0000000
503af75740Srafal #define DRAM_BANK2_SIZE DRAM_BANK_SIZE
513af75740Srafal #define DRAM_BANK3_START 0xd8000000
523af75740Srafal #define DRAM_BANK3_SIZE DRAM_BANK_SIZE
533af75740Srafal #define ZERO_BANK_START 0xe0000000
543af75740Srafal #define ZERO_BANK_SIZE DRAM_BANK_SIZE
553af75740Srafal
563af75740Srafal __BEGIN_DECLS
573af75740Srafal
583af75740Srafal // 2nd bootloader
59*569b7f92Snonaka void boot_func_sa1100(kaddr_t, kaddr_t, kaddr_t, kaddr_t);
60*569b7f92Snonaka extern char boot_func_end_sa1100[];
61*569b7f92Snonaka #define BOOT_FUNC_START reinterpret_cast <vaddr_t>(boot_func_sa1100)
62*569b7f92Snonaka #define BOOT_FUNC_END reinterpret_cast <vaddr_t>(boot_func_end_sa1100)
633af75740Srafal
643af75740Srafal /* jump to 2nd loader */
65*569b7f92Snonaka void FlatJump_sa1100(kaddr_t, kaddr_t, kaddr_t, kaddr_t);
663af75740Srafal
673af75740Srafal __END_DECLS
683af75740Srafal
SA1100Architecture(Console * & cons,MemoryManager * & mem)693af75740Srafal SA1100Architecture::SA1100Architecture(Console *&cons, MemoryManager *&mem)
703af75740Srafal : ARMArchitecture(cons, mem)
713af75740Srafal {
723af75740Srafal DPRINTF((TEXT("SA-11x0 CPU.\n")));
733af75740Srafal }
743af75740Srafal
~SA1100Architecture(void)753af75740Srafal SA1100Architecture::~SA1100Architecture(void)
763af75740Srafal {
773af75740Srafal }
783af75740Srafal
793af75740Srafal BOOL
init(void)803af75740Srafal SA1100Architecture::init(void)
813af75740Srafal {
823af75740Srafal if (!_mem->init()) {
833af75740Srafal DPRINTF((TEXT("can't initialize memory manager.\n")));
843af75740Srafal return FALSE;
853af75740Srafal }
863af75740Srafal // set D-RAM information
873af75740Srafal _mem->loadBank(DRAM_BANK0_START, DRAM_BANK_SIZE);
883af75740Srafal _mem->loadBank(DRAM_BANK1_START, DRAM_BANK_SIZE);
893af75740Srafal _mem->loadBank(DRAM_BANK2_START, DRAM_BANK_SIZE);
903af75740Srafal _mem->loadBank(DRAM_BANK3_START, DRAM_BANK_SIZE);
913af75740Srafal
92*569b7f92Snonaka // set D-cache information
93*569b7f92Snonaka dcachesize = 8192;
94*569b7f92Snonaka DPRINTF((TEXT("D-cache size = %d\n"), dcachesize));
95*569b7f92Snonaka
963af75740Srafal return TRUE;
973af75740Srafal }
983af75740Srafal
993af75740Srafal void
testFramebuffer(void)1003af75740Srafal SA1100Architecture::testFramebuffer(void)
1013af75740Srafal {
1023af75740Srafal // get frame buffer address from LCD controller register.
1033af75740Srafal paddr_t fbaddr_p = _mem->readPhysical4(0xb0100010); // 0xc0002e00
1043af75740Srafal // map frame buffer
1053af75740Srafal vaddr_t fbaddr_v = _mem->mapPhysicalPage(fbaddr_p, 0x50000,
1063af75740Srafal PAGE_READWRITE);
1073af75740Srafal
1083af75740Srafal // test frame buffer
1093af75740Srafal int j, k;
1103af75740Srafal DI();
1113af75740Srafal for (j = 0; j < 480; j++)
1123af75740Srafal for (k = 0; k < 640; k++)
1133af75740Srafal VOLATILE_REF8(fbaddr_v + 0x200 + j * 640 + k)
1143af75740Srafal = j * k & 0xff;
1153af75740Srafal for (j = 120; j < 360; j++)
1163af75740Srafal for (k = 120; k < 520; k++)
1173af75740Srafal VOLATILE_REF8(fbaddr_v + 0x200 + j * 640 + k) = 0x3;
1183af75740Srafal EI();
1193af75740Srafal _mem->unmapPhysicalPage(fbaddr_v);
1203af75740Srafal }
1213af75740Srafal
1223af75740Srafal void
testUART(void)1233af75740Srafal SA1100Architecture::testUART(void)
1243af75740Srafal {
1253af75740Srafal #define TBY VOLATILE_REF(uart + 0x20)
1263af75740Srafal #define UTDR VOLATILE_REF(uart + 0x14)
1273af75740Srafal #define TBY_BUSY while (TBY & 0x1)
1283af75740Srafal #define UTDR_PUTCHAR(c) (UTDR =(c))
1293af75740Srafal #define _(c) \
1303af75740Srafal __BEGIN_MACRO \
1313af75740Srafal TBY_BUSY; \
1323af75740Srafal UTDR_PUTCHAR(c); \
1333af75740Srafal __END_MACRO
1343af75740Srafal vaddr_t uart =
1353af75740Srafal _mem->mapPhysicalPage(0x80050000, 0x100, PAGE_READWRITE);
1363af75740Srafal _('H');_('e');_('l');_('l');_('o');_(' ');
1373af75740Srafal _('W');_('o');_('r');_('l');_('d');_('\r');_('\n');
1383af75740Srafal _mem->unmapPhysicalPage(uart);
1393af75740Srafal }
1403af75740Srafal
141*569b7f92Snonaka void
dumpPeripheralRegs(void)142*569b7f92Snonaka SA1100Architecture::dumpPeripheralRegs(void)
143*569b7f92Snonaka {
144*569b7f92Snonaka }
145*569b7f92Snonaka
1463af75740Srafal BOOL
setupLoader(void)1473af75740Srafal SA1100Architecture::setupLoader(void)
1483af75740Srafal {
1493af75740Srafal vaddr_t v;
1503af75740Srafal vsize_t sz = BOOT_FUNC_END - BOOT_FUNC_START;
1513af75740Srafal
1523af75740Srafal // check 2nd bootloader size.
1533af75740Srafal if (sz > _mem->getPageSize()) {
1543af75740Srafal DPRINTF((TEXT("2nd bootloader size(%dbyte) is larger than page size(%d).\n"),
1553af75740Srafal sz, _mem->getPageSize()));
1563af75740Srafal return FALSE;
1573af75740Srafal }
1583af75740Srafal
1593af75740Srafal // get physical mapped page and copy loader to there.
1603af75740Srafal // don't writeback D-cache here. make sure to writeback before jump.
1613af75740Srafal if (!_mem->getPage(v , _loader_addr)) {
1623af75740Srafal DPRINTF((TEXT("can't get page for 2nd loader.\n")));
1633af75740Srafal return FALSE;
1643af75740Srafal }
1653af75740Srafal DPRINTF((TEXT("2nd bootloader vaddr=0x%08x paddr=0x%08x\n"),
1663af75740Srafal (unsigned)v,(unsigned)_loader_addr));
1673af75740Srafal
1683af75740Srafal memcpy(reinterpret_cast <LPVOID>(v),
1693af75740Srafal reinterpret_cast <LPVOID>(BOOT_FUNC_START), sz);
1703af75740Srafal DPRINTF((TEXT("2nd bootloader copy done.\n")));
1713af75740Srafal
1723af75740Srafal return TRUE;
1733af75740Srafal }
1743af75740Srafal
1753af75740Srafal void
jump(paddr_t info,paddr_t pvec)1763af75740Srafal SA1100Architecture::jump(paddr_t info, paddr_t pvec)
1773af75740Srafal {
1783af75740Srafal kaddr_t sp;
1793af75740Srafal vaddr_t v;
1803af75740Srafal paddr_t p;
1813af75740Srafal
1823af75740Srafal // stack for bootloader
1833af75740Srafal _mem->getPage(v, p);
1843af75740Srafal sp = ptokv(p) + _mem->getPageSize();
1853af75740Srafal DPRINTF((TEXT("sp for bootloader = %08x + %08x = %08x\n"),
1863af75740Srafal ptokv(p), _mem->getPageSize(), sp));
1873af75740Srafal
1883af75740Srafal // writeback whole D-cache
1893af75740Srafal WritebackDCache();
1903af75740Srafal
1913af75740Srafal SetKMode(1);
192*569b7f92Snonaka FlatJump_sa1100(info, pvec, sp, _loader_addr);
1933af75740Srafal // NOTREACHED
1943af75740Srafal }
195