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/*
* includes
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "rendition.h"
#include "v1krisc.h"
#include "vboard.h"
#include "vloaduc.h"
#include "vos.h"
#if !defined(PATH_MAX)
#define PATH_MAX 1024
#endif
/*
* global data
*/
#include "cscode.h"
/* Global imported during compile-time */
static char MICROCODE_DIR [PATH_MAX] = MODULEDIR;
/*
* local function prototypes
*/
/*
* functions
*/
int
verite_initboard(ScrnInfoPtr pScreenInfo)
{
renditionPtr pRendition = RENDITIONPTR(pScreenInfo);
IOADDRESS iob=pRendition->board.io_base;
vu8 *vmb;
vu32 offset;
vu8 memendian;
int c,pc;
/* write "monitor" program to memory */
v1k_stop(pScreenInfo);
pRendition->board.csucode_base=0x800;
memendian=verite_in8(iob+MEMENDIAN);
verite_out8(iob+MEMENDIAN, MEMENDIAN_NO);
/* Note that CS ucode must wait on address in csucode_base
* when initialized for later context switch code to work. */
ErrorF("Loading csucode @ %p + 0x800\n", pRendition->board.vmem_base);
vmb=pRendition->board.vmem_base;
offset=pRendition->board.csucode_base;
for (c=0; c<sizeof(csrisc)/sizeof(vu32); c++, offset+=sizeof(vu32))
verite_write_memory32(vmb, offset, csrisc[c]);
/* Initialize the CS flip semaphore */
verite_write_memory32(vmb, 0x7f8, 0);
verite_write_memory32(vmb, 0x7fc, 0);
/* Run the code we just transfered to the boards memory */
/* ... and start accelerator */
v1k_flushicache(pScreenInfo);
verite_out8(iob + STATEINDEX, STATEINDEX_PC);
pc = verite_in32(iob + STATEDATA);
v1k_start(pScreenInfo, pRendition->board.csucode_base);
/* Get on loading the ucode */
verite_out8(iob + STATEINDEX, STATEINDEX_PC);
for (c = 0; c < 0xffffffL; c++){
v1k_stop(pScreenInfo);
pc = verite_in32(iob + STATEDATA);
v1k_continue(pScreenInfo);
if (pc == pRendition->board.csucode_base)
break;
}
if (pc != pRendition->board.csucode_base){
xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR,
("VERITE_INITBOARD -- PC != CSUCODEBASE\n"));
ErrorF ("RENDITION: PC == 0x%x -- CSU == 0x%lx\n",
pc,(unsigned long)pRendition->board.csucode_base);
}
/* reset memory endian */
verite_out8(iob+MEMENDIAN, memendian);
if (V1000_DEVICE == pRendition->board.chip){
c=verite_load_ucfile(pScreenInfo, strcat ((char *)MICROCODE_DIR,"v10002d.uc"));
}
else {
/* V2x00 chip */
c=verite_load_ucfile(pScreenInfo, strcat ((char *)MICROCODE_DIR,"v20002d.uc"));
}
if (c == -1) {
xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR,
("Microcode loading failed !!!\n"));
return 1;
}
pRendition->board.ucode_entry=c;
#ifdef DEBUG
ErrorF("UCode_Entry == 0x%x\n",pRendition->board.ucode_entry);
#endif
/* Everything's OK */
return 0;
}
int
verite_resetboard(ScrnInfoPtr pScreenInfo)
{
renditionPtr pRendition = RENDITIONPTR(pScreenInfo);
vu16 iob=pRendition->board.io_base;
vu8 memendian=verite_in8(iob+MEMENDIAN);
vu32 crtcctl = verite_in32(iob+CRTCCTL);
v1k_softreset(pScreenInfo);
verite_out8(iob+MEMENDIAN, memendian);
verite_out32(iob+CRTCCTL, crtcctl);
return 0;
}
int
verite_getmemorysize(ScrnInfoPtr pScreenInfo)
{
renditionPtr pRendition = RENDITIONPTR(pScreenInfo);
#define PATTERN 0xf5faaf5f
#define START 0x12345678
#define ONEMEG (1024L*1024L)
vu32 offset;
vu32 pattern;
vu32 start;
vu8 memendian;
#ifdef XSERVER
vu8 modereg;
modereg=verite_in8(pRendition->board.io_base+MODEREG);
verite_out8(pRendition->board.io_base+MODEREG, NATIVE_MODE);
#endif
/* no byte swapping */
memendian=verite_in8(pRendition->board.io_base+MEMENDIAN);
verite_out8(pRendition->board.io_base+MEMENDIAN, MEMENDIAN_NO);
/* it looks like the v1000 wraps the memory; but for I'm not sure,
* let's test also for non-writable offsets */
start=verite_read_memory32(pRendition->board.vmem_base, 0);
verite_write_memory32(pRendition->board.vmem_base, 0, START);
for (offset=ONEMEG; offset<16*ONEMEG; offset+=ONEMEG) {
#ifdef DEBUG
ErrorF( "Testing %d MB: ", offset/ONEMEG);
#endif
pattern=verite_read_memory32(pRendition->board.vmem_base, offset);
if (START == pattern) {
#ifdef DEBUG
ErrorF( "Back at the beginning\n");
#endif
break;
}
pattern^=PATTERN;
verite_write_memory32(pRendition->board.vmem_base, offset, pattern);
#ifdef DEBUG
ErrorF( "%x <-> %x\n", (int)pattern,
(int)verite_read_memory32(pRendition->board.vmem_base, offset));
#endif
if (pattern != verite_read_memory32(pRendition->board.vmem_base, offset)) {
offset-=ONEMEG;
break;
}
verite_write_memory32(pRendition->board.vmem_base, offset, pattern^PATTERN);
}
verite_write_memory32(pRendition->board.vmem_base, 0, start);
if (16*ONEMEG <= offset)
pRendition->board.mem_size=4*ONEMEG;
else
pRendition->board.mem_size=offset;
/* restore default byte swapping */
verite_out8(pRendition->board.io_base+MEMENDIAN, memendian);
#ifdef XSERVER
verite_out8(pRendition->board.io_base+MODEREG, modereg);
#endif
return pRendition->board.mem_size;
#undef PATTERN
#undef ONEMEG
}
void
verite_check_csucode(ScrnInfoPtr pScreenInfo)
{
renditionPtr pRendition = RENDITIONPTR(pScreenInfo);
IOADDRESS iob=pRendition->board.io_base;
vu8 *vmb;
vu32 offset;
int c;
int memend;
int mismatches=0;
memend=verite_in8(iob+MEMENDIAN);
verite_out8(iob+MEMENDIAN, MEMENDIAN_NO);
#ifdef DEBUG
ErrorF("Checking presence of csucode @ 0x%x + 0x800\n",
pRendition->board.vmem_base);
if (0x800 != pRendition->board.csucode_base)
ErrorF("pRendition->board.csucode_base == 0x%x\n",
pRendition->board.csucode_base);
#endif
/* compare word by word */
vmb=pRendition->board.vmem_base;
offset=pRendition->board.csucode_base;
for (c=0; c<sizeof(csrisc)/sizeof(vu32); c++, offset+=sizeof(vu32))
if (csrisc[c] != verite_read_memory32(vmb, offset)) {
ErrorF("csucode mismatch in word %02d: 0x%08lx should be 0x%08lx\n",
c,
(unsigned long)verite_read_memory32(vmb, offset),
(unsigned long)csrisc[c]);
mismatches++;
}
#ifdef DEBUG
ErrorF("Encountered %d out of %d possible mismatches\n",
mismatches,
sizeof(csrisc)/sizeof(vu32));
#endif
verite_out8(iob+MEMENDIAN, memend);
}
/*
* end of file vboard.c
*/
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