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path: root/drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/memx.fuc
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/memx.fuc')
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/memx.fuc111
1 files changed, 111 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/memx.fuc b/drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/memx.fuc
index e89789a53b80..ec03f9a4290b 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/memx.fuc
+++ b/drivers/gpu/drm/nouveau/core/subdev/pwr/fuc/memx.fuc
@@ -50,6 +50,7 @@ handler(WR32 , 0x0000, 0x0002, #memx_func_wr32)
handler(WAIT , 0x0004, 0x0000, #memx_func_wait)
handler(DELAY , 0x0001, 0x0000, #memx_func_delay)
handler(VBLANK, 0x0001, 0x0000, #memx_func_wait_vblank)
+handler(TRAIN , 0x0000, 0x0000, #memx_func_train)
memx_func_tail:
.equ #memx_func_size #memx_func_next - #memx_func_head
@@ -63,6 +64,10 @@ memx_ts_end:
memx_data_head:
.skip 0x0800
memx_data_tail:
+
+memx_train_head:
+.skip 0x0100
+memx_train_tail:
#endif
/******************************************************************************
@@ -260,6 +265,101 @@ memx_func_delay:
// description
//
// $r15 - current (memx)
+// $r4 - packet length
+// $r3 - opcode desciption
+// $r0 - zero
+memx_func_train:
+#if NVKM_PPWR_CHIPSET == GT215
+// $r5 - outer loop counter
+// $r6 - inner loop counter
+// $r7 - entry counter (#memx_train_head + $r7)
+ movw $r5 0x3
+ movw $r7 0x0
+
+// Read random memory to wake up... things
+ imm32($r9, 0x700000)
+ nv_rd32($r8,$r9)
+ movw $r14 0x2710
+ call(nsec)
+
+ memx_func_train_loop_outer:
+ mulu $r8 $r5 0x101
+ sethi $r8 0x02000000
+ imm32($r9, 0x1111e0)
+ nv_wr32($r9, $r8)
+ push $r5
+
+ movw $r6 0x0
+ memx_func_train_loop_inner:
+ movw $r8 0x1111
+ mulu $r9 $r6 $r8
+ shl b32 $r8 $r9 0x10
+ or $r8 $r9
+ imm32($r9, 0x100720)
+ nv_wr32($r9, $r8)
+
+ imm32($r9, 0x100080)
+ nv_rd32($r8, $r9)
+ or $r8 $r8 0x20
+ nv_wr32($r9, $r8)
+
+ imm32($r9, 0x10053c)
+ imm32($r8, 0x80003002)
+ nv_wr32($r9, $r8)
+
+ imm32($r14, 0x100560)
+ imm32($r13, 0x80000000)
+ add b32 $r12 $r13 0
+ imm32($r11, 0x001e8480)
+ call(wait)
+
+ // $r5 - inner inner loop counter
+ // $r9 - result
+ movw $r5 0
+ imm32($r9, 0x8300ffff)
+ memx_func_train_loop_4x:
+ imm32($r10, 0x100080)
+ nv_rd32($r8, $r10)
+ imm32($r11, 0xffffffdf)
+ and $r8 $r11
+ nv_wr32($r10, $r8)
+
+ imm32($r10, 0x10053c)
+ imm32($r8, 0x80003002)
+ nv_wr32($r10, $r8)
+
+ imm32($r14, 0x100560)
+ imm32($r13, 0x80000000)
+ mov b32 $r12 $r13
+ imm32($r11, 0x00002710)
+ call(wait)
+
+ nv_rd32($r13, $r14)
+ and $r9 $r9 $r13
+
+ add b32 $r5 1
+ cmp b16 $r5 0x4
+ bra l #memx_func_train_loop_4x
+
+ add b32 $r10 $r7 #memx_train_head
+ st b32 D[$r10 + 0] $r9
+ add b32 $r6 1
+ add b32 $r7 4
+
+ cmp b16 $r6 0x10
+ bra l #memx_func_train_loop_inner
+
+ pop $r5
+ add b32 $r5 1
+ cmp b16 $r5 7
+ bra l #memx_func_train_loop_outer
+
+#endif
+ ret
+
+// description
+//
+// $r15 - current (memx)
// $r14 - sender process name
// $r13 - message (exec)
// $r12 - head of script
@@ -307,8 +407,19 @@ memx_exec:
// $r11 - data1
// $r0 - zero
memx_info:
+ cmp b16 $r12 0x1
+ bra e #memx_info_train
+
+ memx_info_data:
mov $r12 #memx_data_head
mov $r11 #memx_data_tail - #memx_data_head
+ bra #memx_info_send
+
+ memx_info_train:
+ mov $r12 #memx_train_head
+ mov $r11 #memx_train_tail - #memx_train_head
+
+ memx_info_send:
call(send)
ret