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updated all framebuffer accesses to use volatile pointers. This potentially fixes even more coldstarting problems. Thanks Marcus Overhagen for pointing this out again - sorry for forgetting :-/

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16111 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
2006-01-27 20:56:36 +00:00
parent e2b583a0e4
commit 716c61f301
1 changed files with 23 additions and 23 deletions
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src/add-ons/accelerants/nvidia/engine/nv_info.c
+23 -23
View File
@@ -890,10 +890,10 @@ static void setup_ram_config(uint8* rom, uint16 ram_tab)
/* write testpattern to first 128 bits of graphics memory... */
data = 0x4e563541;
for (cnt = 0; cnt < 4; cnt++)
((uint32 *)si->framebuffer)[cnt] = data;
((volatile uint32 *)si->framebuffer)[cnt] = data;
/* ... if second 64 bits does not contain the testpattern we are apparantly
* set to 128bits width while we should be set to 64bits width, so correct. */
if (((uint32 *)si->framebuffer)[3] != data)
if (((volatile uint32 *)si->framebuffer)[3] != data)
{
LOG(8,("INFO: ---RAM width tested: width is 64bits, correcting settings.\n"));
NV_REG32(NV32_NV4STRAPINFO) &= ~0x00000004;
@@ -910,14 +910,14 @@ static void setup_ram_config(uint8* rom, uint16 ram_tab)
if (!ram_cfg)
{
/* write testpattern to just above the 16Mb boundary */
((uint32 *)si->framebuffer)[(16 * 1024 * 1024) >> 2] = data;
((volatile uint32 *)si->framebuffer)[(16 * 1024 * 1024) >> 2] = data;
/* check if pattern reads back */
if (((uint32 *)si->framebuffer)[(16 * 1024 * 1024) >> 2] == data)
if (((volatile uint32 *)si->framebuffer)[(16 * 1024 * 1024) >> 2] == data)
{
/* write second testpattern to base adress */
data = 0x4135564e;
((uint32 *)si->framebuffer)[0] = data;
if (((uint32 *)si->framebuffer)[0] == data)
((volatile uint32 *)si->framebuffer)[0] = data;
if (((volatile uint32 *)si->framebuffer)[0] == data)
{
LOG(8,("INFO: ---RAM size tested: size was set OK (32Mb).\n"));
return;
@@ -936,9 +936,9 @@ static void setup_ram_config(uint8* rom, uint16 ram_tab)
/* increment testpattern */
data++;
/* write testpattern to just above the 8Mb boundary */
((uint32 *)si->framebuffer)[(8 * 1024 * 1024) >> 2] = data;
((volatile uint32 *)si->framebuffer)[(8 * 1024 * 1024) >> 2] = data;
/* check if pattern reads back */
if (((uint32 *)si->framebuffer)[(8 * 1024 * 1024) >> 2] == data)
if (((volatile uint32 *)si->framebuffer)[(8 * 1024 * 1024) >> 2] == data)
{
LOG(8,("INFO: ---RAM size tested: size was set OK (16Mb).\n"));
return;
@@ -957,9 +957,9 @@ static void setup_ram_config(uint8* rom, uint16 ram_tab)
/* increment testpattern (again) */
data++;
/* write testpattern to just above the 4Mb boundary */
((uint32 *)si->framebuffer)[(4 * 1024 * 1024) >> 2] = data;
((volatile uint32 *)si->framebuffer)[(4 * 1024 * 1024) >> 2] = data;
/* check if pattern reads back */
if (((uint32 *)si->framebuffer)[(4 * 1024 * 1024) >> 2] == data)
if (((volatile uint32 *)si->framebuffer)[(4 * 1024 * 1024) >> 2] == data)
{
/* we have 8Mb, make sure this is set. */
ram_cfg = 0x00000002;
@@ -1874,22 +1874,22 @@ static void setup_ram_config_nv10_up(uint8* rom)
while ((cnt < 4) && (stat != B_OK))
{
/* reset RAM bits at offset 224-255 bits four times */
((uint32 *)si->framebuffer)[0x07] = 0x00000000;
((volatile uint32 *)si->framebuffer)[0x07] = 0x00000000;
snooze(10);
((uint32 *)si->framebuffer)[0x07] = 0x00000000;
((volatile uint32 *)si->framebuffer)[0x07] = 0x00000000;
snooze(10);
((uint32 *)si->framebuffer)[0x07] = 0x00000000;
((volatile uint32 *)si->framebuffer)[0x07] = 0x00000000;
snooze(10);
((uint32 *)si->framebuffer)[0x07] = 0x00000000;
((volatile uint32 *)si->framebuffer)[0x07] = 0x00000000;
snooze(10);
/* write testpattern */
((uint32 *)si->framebuffer)[0x07] = 0x4e563131;
((volatile uint32 *)si->framebuffer)[0x07] = 0x4e563131;
snooze(10);
/* reset RAM bits at offset 480-511 bits */
((uint32 *)si->framebuffer)[0x0f] = 0x00000000;
((volatile uint32 *)si->framebuffer)[0x0f] = 0x00000000;
snooze(10);
/* check testpattern to have survived */
if (((uint32 *)si->framebuffer)[0x07] == 0x4e563131) stat = B_OK;
if (((volatile uint32 *)si->framebuffer)[0x07] == 0x4e563131) stat = B_OK;
cnt++;
}
@@ -1924,10 +1924,10 @@ static void setup_ram_config_nv10_up(uint8* rom)
/* subtract 1MB */
data -= 0x00100000;
/* write testpattern at generated RAM adress */
((uint32 *)si->framebuffer)[(data >> 2)] = 0x4e564441;
((volatile uint32 *)si->framebuffer)[(data >> 2)] = 0x4e564441;
snooze(10);
/* reset first RAM adress */
((uint32 *)si->framebuffer)[0x00] = 0x00000000;
((volatile uint32 *)si->framebuffer)[0x00] = 0x00000000;
snooze(10);
/* dummyread first RAM adress four times */
dummy = ((volatile uint32 *)si->framebuffer)[0x00];
@@ -1935,7 +1935,7 @@ static void setup_ram_config_nv10_up(uint8* rom)
dummy = ((volatile uint32 *)si->framebuffer)[0x00];
dummy = ((volatile uint32 *)si->framebuffer)[0x00];
/* check testpattern to have survived */
if (((uint32 *)si->framebuffer)[(data >> 2)] == 0x4e564441) stat = B_OK;
if (((volatile uint32 *)si->framebuffer)[(data >> 2)] == 0x4e564441) stat = B_OK;
cnt++;
}
@@ -1974,10 +1974,10 @@ static void setup_ram_config_nv28(uint8* rom)
/* set bit 11: 'pulse' something into a new setting? */
NV_REG32(NV32_PFB_CONFIG_0) |= 0x00000800;
/* write testpattern to RAM adress 127Mb */
((uint32 *)si->framebuffer)[0x01fc0000] = 0x4e564441;
((volatile uint32 *)si->framebuffer)[0x01fc0000] = 0x4e564441;
snooze(10);
/* reset first RAM adress */
((uint32 *)si->framebuffer)[0x00000000] = 0x00000000;
((volatile uint32 *)si->framebuffer)[0x00000000] = 0x00000000;
snooze(10);
/* dummyread first RAM adress four times */
dummy = ((volatile uint32 *)si->framebuffer)[0x00000000];
@@ -1989,7 +1989,7 @@ static void setup_ram_config_nv28(uint8* rom)
dummy = ((volatile uint32 *)si->framebuffer)[0x00000000];
LOG(8,("dummy4 = $%08x\n", dummy));
/* check testpattern to have survived */
if (((uint32 *)si->framebuffer)[0x01fc0000] == 0x4e564441) stat = B_OK;
if (((volatile uint32 *)si->framebuffer)[0x01fc0000] == 0x4e564441) stat = B_OK;
cnt++;
}