[Nouveau] [PATCH 7/9] nvkm/fb/ramnv50: GDDR3 script for NVA0
Roy Spliet
rspliet at eclipso.eu
Fri May 22 15:33:46 PDT 2015
This looks surprisingly similar to scripts on earlier cards as well
but they don't seem to work just yet. That... and I don't have any, which
makes it a tough job to reverse engineer.
Signed-off-by: Roy Spliet <rspliet at eclipso.eu>
---
drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c | 129 ++++++++++++++++++-----
1 file changed, 104 insertions(+), 25 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c
index e720842..03ee6b6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c
@@ -39,10 +39,19 @@ struct nv50_ramseq {
struct hwsq_reg r_0x004008;
struct hwsq_reg r_0x00400c;
struct hwsq_reg r_0x00c040;
+ struct hwsq_reg r_0x100200;
struct hwsq_reg r_0x100210;
+ struct hwsq_reg r_0x10021c;
struct hwsq_reg r_0x1002d0;
struct hwsq_reg r_0x1002d4;
struct hwsq_reg r_0x1002dc;
+ struct hwsq_reg r_0x10053c;
+ struct hwsq_reg r_0x1005a0;
+ struct hwsq_reg r_0x1005a4;
+ struct hwsq_reg r_0x100710;
+ struct hwsq_reg r_0x100714;
+ struct hwsq_reg r_0x100718;
+ struct hwsq_reg r_0x10071c;
struct hwsq_reg r_0x100da0;
struct hwsq_reg r_0x100e20;
struct hwsq_reg r_0x100e24;
@@ -134,7 +143,13 @@ nv50_ram_timing_calc(struct nvkm_fb *pfb, u32 *timing)
}
#undef T
-#define QFX5800NVA0 1
+static void
+nvkm_sddr2_dll_reset(struct nv50_ramseq *hwsq)
+{
+ ram_mask(hwsq, mr[0], 0x100, 0x100);
+ ram_mask(hwsq, mr[0], 0x100, 0x000);
+ ram_nsec(hwsq, 24000);
+}
static int
nv50_ram_calc(struct nvkm_fb *pfb, u32 freq)
@@ -147,7 +162,7 @@ nv50_ram_calc(struct nvkm_fb *pfb, u32 freq)
struct nvkm_ram_data *next;
u8 ver, hdr, cnt, len, strap, size;
u32 data;
- u32 r100da0;
+ u32 r100da0, r004008, unk710, unk714, unk718, unk71c;
int N1, M1, N2, M2, P;
int ret, i;
u32 timing[9];
@@ -219,12 +234,8 @@ nv50_ram_calc(struct nvkm_fb *pfb, u32 freq)
if (ret)
return ret;
- /* XXX: where the fuck does 750MHz come from? */
- if (freq <= 750000) {
- r100da0 = 0x00000010;
- } else {
- r100da0 = 0x00000000;
- }
+ /* Always disable this bit during reclock */
+ ram_mask(hwsq, 0x100200, 0x00000800, 0x00000000);
ram_wait(hwsq, 0x01, 0x00); /* wait for !vblank */
ram_wait(hwsq, 0x01, 0x01); /* wait for vblank */
@@ -233,6 +244,7 @@ nv50_ram_calc(struct nvkm_fb *pfb, u32 freq)
ram_nsec(hwsq, 8000);
ram_setf(hwsq, 0x10, 0x00); /* disable fb */
ram_wait(hwsq, 0x00, 0x01); /* wait for fb disabled */
+ ram_nsec(hwsq, 2000);
ram_wr32(hwsq, 0x1002d4, 0x00000001); /* precharge */
ram_wr32(hwsq, 0x1002d0, 0x00000001); /* refresh */
@@ -252,18 +264,33 @@ nv50_ram_calc(struct nvkm_fb *pfb, u32 freq)
if (ret < 0)
return ret;
+ /* XXX: where the fuck does 750MHz come from? */
+ if (freq <= 750000) {
+ r100da0 = 0x00000010;
+ r004008 = 0x90000000;
+ } else {
+ r100da0 = 0x00000000;
+ r004008 = 0x80000000;
+ }
+
+ r004008 |= (mpll.bias_p << 19) | (P << 22) | (P << 16);
+
ram_mask(hwsq, 0x00c040, 0xc000c000, 0x0000c000);
- ram_mask(hwsq, 0x004008, 0x00000200, 0x00000200);
+ /* XXX: Is rammap_00_16_40 the DLL bit we've seen in GT215? Why does
+ * it have a different rammap bit from DLLoff? */
+ ram_mask(hwsq, 0x004008, 0x00004200, 0x00000200 |
+ next->bios.rammap_00_16_40 << 14);
ram_mask(hwsq, 0x00400c, 0x0000ffff, (N1 << 8) | M1);
- ram_mask(hwsq, 0x004008, 0x81ff0000, 0x80000000 | (mpll.bias_p << 19) |
- (P << 22) | (P << 16));
+ ram_mask(hwsq, 0x004008, 0x91ff0000, r004008);
+ if (nv_device(pfb)->chipset >= 0x96)
+ ram_wr32(hwsq, 0x100da0, r100da0);
+ ram_nsec(hwsq, 64000); /*XXX*/
+ ram_nsec(hwsq, 32000); /*XXX*/
- if (nv_device(pfb)->chipset == 0xa0)
- ram_wr32(hwsq, 0x100da0, r100da0); /*XXX: here?*/
- ram_nsec(hwsq, 96000); /*XXX*/
ram_mask(hwsq, 0x004008, 0x00002200, 0x00002000);
ram_wr32(hwsq, 0x1002dc, 0x00000000); /* disable self-refresh */
+ ram_wr32(hwsq, 0x1002d4, 0x00000001); /* disable self-refresh */
ram_wr32(hwsq, 0x100210, 0x80000000); /* enable auto-refresh */
ram_nsec(hwsq, 12000);
@@ -274,9 +301,10 @@ nv50_ram_calc(struct nvkm_fb *pfb, u32 freq)
ram_mask(hwsq, mr[0], 0x000, 0x000);
break;
case NV_MEM_TYPE_GDDR3:
- ram_mask(hwsq, mr[2], 0x000, 0x000);
+ ram_nuke(hwsq, mr[1]); /* force update */
+ ram_wr32(hwsq, mr[1], ram->base.mr[1]);
ram_nuke(hwsq, mr[0]); /* force update */
- ram_mask(hwsq, mr[0], 0x000, 0x000);
+ ram_wr32(hwsq, mr[0], ram->base.mr[0]);
break;
default:
break;
@@ -292,20 +320,62 @@ nv50_ram_calc(struct nvkm_fb *pfb, u32 freq)
ram_mask(hwsq, timing[4], 0xffffffff, timing[4]);
ram_mask(hwsq, timing[5], 0xffffffff, timing[5]);
-#if QFX5800NVA0
- ram_nuke(hwsq, 0x100e24);
- ram_mask(hwsq, 0x100e24, 0x00000000, 0x00000000);
- ram_nuke(hwsq, 0x100e20);
- ram_mask(hwsq, 0x100e20, 0x00000000, 0x00000000);
-#endif
+ if (!next->bios.ramcfg_00_03_02)
+ ram_mask(hwsq, 0x10021c, 0x00010000, 0x00000000);
+ ram_mask(hwsq, 0x100200, 0x00001000, !next->bios.ramcfg_00_04_02 << 12);
+
+ /* XXX: A lot of this could be "chipset"/"ram type" specific stuff */
+ unk710 = ram_rd32(hwsq, 0x100710) & ~0x00000101;
+ unk714 = ram_rd32(hwsq, 0x100714) & ~0xf0000020;
+ unk718 = ram_rd32(hwsq, 0x100718) & ~0x00000100;
+ unk71c = ram_rd32(hwsq, 0x10071c) & ~0x00000100;
+
+ if ( next->bios.ramcfg_00_03_01)
+ unk71c |= 0x00000100;
+ if ( next->bios.ramcfg_00_03_02)
+ unk710 |= 0x00000100;
+ if (!next->bios.ramcfg_00_03_08) {
+ unk710 |= 0x1;
+ unk714 |= 0x20;
+ }
+ if ( next->bios.ramcfg_00_04_04)
+ unk714 |= 0x70000000;
+ if ( next->bios.ramcfg_00_04_20)
+ unk718 |= 0x00000100;
+
+ ram_mask(hwsq, 0x100714, 0xffffffff, unk714);
+ ram_mask(hwsq, 0x10071c, 0xffffffff, unk71c);
+ ram_mask(hwsq, 0x100718, 0xffffffff, unk718);
+ ram_mask(hwsq, 0x100710, 0xffffffff, unk710);
+
+ if (next->bios.rammap_00_16_20) {
+ ram_wr32(hwsq, 0x1005a0, next->bios.ramcfg_00_07 << 16 |
+ next->bios.ramcfg_00_06 << 8 |
+ next->bios.ramcfg_00_05);
+ ram_wr32(hwsq, 0x1005a4, next->bios.ramcfg_00_09 << 8 |
+ next->bios.ramcfg_00_08);
+ ram_mask(hwsq, 0x10053c, 0x00001000, 0x00000000);
+ } else {
+ ram_mask(hwsq, 0x10053c, 0x00001000, 0x00001000);
+ }
+ ram_mask(hwsq, mr[1], 0xffffffff, ram->base.mr[1]);
- ram_mask(hwsq, mr[0], 0x100, 0x100);
- ram_mask(hwsq, mr[0], 0x100, 0x000);
+ /* Reset DLL */
+ if (!next->bios.ramcfg_DLLoff)
+ nvkm_sddr2_dll_reset(hwsq);
ram_setf(hwsq, 0x10, 0x01); /* enable fb */
ram_wait(hwsq, 0x00, 0x00); /* wait for fb enabled */
ram_wr32(hwsq, 0x611200, 0x00003330);
ram_wr32(hwsq, 0x002504, 0x00000000); /* un-block fifo */
+
+ if (next->bios.rammap_00_17_02)
+ ram_mask(hwsq, 0x100200, 0x00000800, 0x00000800);
+ if (!next->bios.rammap_00_16_40)
+ ram_mask(hwsq, 0x004008, 0x00004000, 0x00000000);
+ if (next->bios.ramcfg_00_03_02)
+ ram_mask(hwsq, 0x10021c, 0x00010000, 0x00010000);
+
return 0;
}
@@ -521,12 +591,12 @@ nv50_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
return ret;
switch (ram->base.type) {
- case NV_MEM_TYPE_DDR2:
case NV_MEM_TYPE_GDDR3:
ram->base.calc = nv50_ram_calc;
ram->base.prog = nv50_ram_prog;
ram->base.tidy = nv50_ram_tidy;
break;
+ case NV_MEM_TYPE_DDR2:
default:
nv_warn(ram, "reclocking of this ram type unsupported\n");
return 0;
@@ -536,10 +606,19 @@ nv50_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
ram->hwsq.r_0x00c040 = hwsq_reg(0x00c040);
ram->hwsq.r_0x004008 = hwsq_reg(0x004008);
ram->hwsq.r_0x00400c = hwsq_reg(0x00400c);
+ ram->hwsq.r_0x100200 = hwsq_reg(0x100200);
ram->hwsq.r_0x100210 = hwsq_reg(0x100210);
+ ram->hwsq.r_0x10021c = hwsq_reg(0x10021c);
ram->hwsq.r_0x1002d0 = hwsq_reg(0x1002d0);
ram->hwsq.r_0x1002d4 = hwsq_reg(0x1002d4);
ram->hwsq.r_0x1002dc = hwsq_reg(0x1002dc);
+ ram->hwsq.r_0x10053c = hwsq_reg(0x10053c);
+ ram->hwsq.r_0x1005a0 = hwsq_reg(0x1005a0);
+ ram->hwsq.r_0x1005a4 = hwsq_reg(0x1005a4);
+ ram->hwsq.r_0x100710 = hwsq_reg(0x100710);
+ ram->hwsq.r_0x100714 = hwsq_reg(0x100714);
+ ram->hwsq.r_0x100718 = hwsq_reg(0x100718);
+ ram->hwsq.r_0x10071c = hwsq_reg(0x10071c);
ram->hwsq.r_0x100da0 = hwsq_stride(0x100da0, 4, ram->base.part_mask);
ram->hwsq.r_0x100e20 = hwsq_reg(0x100e20);
ram->hwsq.r_0x100e24 = hwsq_reg(0x100e24);
--
2.1.0
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