diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnve0.fuc')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnve0.fuc | 442 |
1 files changed, 14 insertions, 428 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnve0.fuc b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnve0.fuc index 62ab231cd6b6..6b906cd2a31f 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnve0.fuc +++ b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnve0.fuc @@ -1,6 +1,5 @@ -/* fuc microcode for nve0 PGRAPH/GPC - * - * Copyright 2011 Red Hat Inc. +/* + * Copyright 2013 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -20,437 +19,24 @@ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * - * Authors: Ben Skeggs + * Authors: Ben Skeggs <bskeggs@redhat.com> */ -/* To build: - * m4 nve0_grgpc.fuc | envyas -a -w -m fuc -V nva3 -o nve0_grgpc.fuc.h - */ +#define NV_PGRAPH_GPCX_UNK__SIZE 0x00000001 -/* TODO - * - bracket certain functions with scratch writes, useful for debugging - * - watchdog timer around ctx operations - */ +#define CHIPSET GK100 +#include "macros.fuc" .section #nve0_grgpc_data -include(`nve0.fuc') -gpc_id: .b32 0 -gpc_mmio_list_head: .b32 0 -gpc_mmio_list_tail: .b32 0 - -tpc_count: .b32 0 -tpc_mask: .b32 0 -tpc_mmio_list_head: .b32 0 -tpc_mmio_list_tail: .b32 0 - -cmd_queue: queue_init - -// chipset descriptions -chipsets: -.b8 0xe4 0 0 0 -.b16 #nve4_gpc_mmio_head -.b16 #nve4_gpc_mmio_tail -.b16 #nve4_tpc_mmio_head -.b16 #nve4_tpc_mmio_tail -.b8 0xe7 0 0 0 -.b16 #nve4_gpc_mmio_head -.b16 #nve4_gpc_mmio_tail -.b16 #nve4_tpc_mmio_head -.b16 #nve4_tpc_mmio_tail -.b8 0xe6 0 0 0 -.b16 #nve4_gpc_mmio_head -.b16 #nve4_gpc_mmio_tail -.b16 #nve4_tpc_mmio_head -.b16 #nve4_tpc_mmio_tail -.b8 0 0 0 0 - -// GPC mmio lists -nve4_gpc_mmio_head: -mmctx_data(0x000380, 1) -mmctx_data(0x000400, 2) -mmctx_data(0x00040c, 3) -mmctx_data(0x000450, 9) -mmctx_data(0x000600, 1) -mmctx_data(0x000684, 1) -mmctx_data(0x000700, 5) -mmctx_data(0x000800, 1) -mmctx_data(0x000808, 3) -mmctx_data(0x000828, 1) -mmctx_data(0x000830, 1) -mmctx_data(0x0008d8, 1) -mmctx_data(0x0008e0, 1) -mmctx_data(0x0008e8, 6) -mmctx_data(0x00091c, 1) -mmctx_data(0x000924, 3) -mmctx_data(0x000b00, 1) -mmctx_data(0x000b08, 6) -mmctx_data(0x000bb8, 1) -mmctx_data(0x000c08, 1) -mmctx_data(0x000c10, 8) -mmctx_data(0x000c40, 1) -mmctx_data(0x000c6c, 1) -mmctx_data(0x000c80, 1) -mmctx_data(0x000c8c, 1) -mmctx_data(0x001000, 3) -mmctx_data(0x001014, 1) -mmctx_data(0x003024, 1) -mmctx_data(0x0030c0, 2) -mmctx_data(0x0030e4, 1) -mmctx_data(0x003100, 6) -mmctx_data(0x0031d0, 1) -mmctx_data(0x0031e0, 2) -nve4_gpc_mmio_tail: - -// TPC mmio lists -nve4_tpc_mmio_head: -mmctx_data(0x000048, 1) -mmctx_data(0x000064, 1) -mmctx_data(0x000088, 1) -mmctx_data(0x000200, 6) -mmctx_data(0x00021c, 2) -mmctx_data(0x000230, 1) -mmctx_data(0x0002c4, 1) -mmctx_data(0x000400, 3) -mmctx_data(0x000420, 3) -mmctx_data(0x0004e8, 1) -mmctx_data(0x0004f4, 1) -mmctx_data(0x000604, 4) -mmctx_data(0x000644, 22) -mmctx_data(0x0006ac, 2) -mmctx_data(0x0006c8, 1) -mmctx_data(0x000730, 8) -mmctx_data(0x000758, 1) -mmctx_data(0x000778, 1) -nve4_tpc_mmio_tail: +#define INCLUDE_DATA +#include "com.fuc" +#include "gpc.fuc" +#undef INCLUDE_DATA .section #nve0_grgpc_code +#define INCLUDE_CODE bra #init -define(`include_code') -include(`nve0.fuc') - -// reports an exception to the host -// -// In: $r15 error code (see nve0.fuc) -// -error: - push $r14 - mov $r14 -0x67ec // 0x9814 - sethi $r14 0x400000 - call #nv_wr32 // HUB_CTXCTL_CC_SCRATCH[5] = error code - add b32 $r14 0x41c - mov $r15 1 - call #nv_wr32 // HUB_CTXCTL_INTR_UP_SET - pop $r14 - ret - -// GPC fuc initialisation, executed by triggering ucode start, will -// fall through to main loop after completion. -// -// Input: -// CC_SCRATCH[0]: chipset (PMC_BOOT_0 read returns 0x0bad0bad... sigh) -// CC_SCRATCH[1]: context base -// -// Output: -// CC_SCRATCH[0]: -// 31:31: set to signal completion -// CC_SCRATCH[1]: -// 31:0: GPC context size -// -init: - clear b32 $r0 - mov $sp $r0 - - // enable fifo access - mov $r1 0x1200 - mov $r2 2 - iowr I[$r1 + 0x000] $r2 // FIFO_ENABLE - - // setup i0 handler, and route all interrupts to it - mov $r1 #ih - mov $iv0 $r1 - mov $r1 0x400 - iowr I[$r1 + 0x300] $r0 // INTR_DISPATCH - - // enable fifo interrupt - mov $r2 4 - iowr I[$r1 + 0x000] $r2 // INTR_EN_SET - - // enable interrupts - bset $flags ie0 - - // figure out which GPC we are, and how many TPCs we have - mov $r1 0x608 - shl b32 $r1 6 - iord $r2 I[$r1 + 0x000] // UNITS - mov $r3 1 - and $r2 0x1f - shl b32 $r3 $r2 - sub b32 $r3 1 - st b32 D[$r0 + #tpc_count] $r2 - st b32 D[$r0 + #tpc_mask] $r3 - add b32 $r1 0x400 - iord $r2 I[$r1 + 0x000] // MYINDEX - st b32 D[$r0 + #gpc_id] $r2 - - // find context data for this chipset - mov $r2 0x800 - shl b32 $r2 6 - iord $r2 I[$r2 + 0x000] // CC_SCRATCH[0] - mov $r1 #chipsets - 12 - init_find_chipset: - add b32 $r1 12 - ld b32 $r3 D[$r1 + 0x00] - cmpu b32 $r3 $r2 - bra e #init_context - cmpu b32 $r3 0 - bra ne #init_find_chipset - // unknown chipset - ret - - // initialise context base, and size tracking - init_context: - mov $r2 0x800 - shl b32 $r2 6 - iord $r2 I[$r2 + 0x100] // CC_SCRATCH[1], initial base - clear b32 $r3 // track GPC context size here - - // set mmctx base addresses now so we don't have to do it later, - // they don't currently ever change - mov $r4 0x700 - shl b32 $r4 6 - shr b32 $r5 $r2 8 - iowr I[$r4 + 0x000] $r5 // MMCTX_SAVE_SWBASE - iowr I[$r4 + 0x100] $r5 // MMCTX_LOAD_SWBASE - - // calculate GPC mmio context size, store the chipset-specific - // mmio list pointers somewhere we can get at them later without - // re-parsing the chipset list - clear b32 $r14 - clear b32 $r15 - ld b16 $r14 D[$r1 + 4] - ld b16 $r15 D[$r1 + 6] - st b16 D[$r0 + #gpc_mmio_list_head] $r14 - st b16 D[$r0 + #gpc_mmio_list_tail] $r15 - call #mmctx_size - add b32 $r2 $r15 - add b32 $r3 $r15 - - // calculate per-TPC mmio context size, store the list pointers - ld b16 $r14 D[$r1 + 8] - ld b16 $r15 D[$r1 + 10] - st b16 D[$r0 + #tpc_mmio_list_head] $r14 - st b16 D[$r0 + #tpc_mmio_list_tail] $r15 - call #mmctx_size - ld b32 $r14 D[$r0 + #tpc_count] - mulu $r14 $r15 - add b32 $r2 $r14 - add b32 $r3 $r14 - - // round up base/size to 256 byte boundary (for strand SWBASE) - add b32 $r4 0x1300 - shr b32 $r3 2 - iowr I[$r4 + 0x000] $r3 // MMCTX_LOAD_COUNT, wtf for?!? - shr b32 $r2 8 - shr b32 $r3 6 - add b32 $r2 1 - add b32 $r3 1 - shl b32 $r2 8 - shl b32 $r3 8 - - // calculate size of strand context data - mov b32 $r15 $r2 - call #strand_ctx_init - add b32 $r3 $r15 - - // save context size, and tell HUB we're done - mov $r1 0x800 - shl b32 $r1 6 - iowr I[$r1 + 0x100] $r3 // CC_SCRATCH[1] = context size - add b32 $r1 0x800 - clear b32 $r2 - bset $r2 31 - iowr I[$r1 + 0x000] $r2 // CC_SCRATCH[0] |= 0x80000000 - -// Main program loop, very simple, sleeps until woken up by the interrupt -// handler, pulls a command from the queue and executes its handler -// -main: - bset $flags $p0 - sleep $p0 - mov $r13 #cmd_queue - call #queue_get - bra $p1 #main - - // 0x0000-0x0003 are all context transfers - cmpu b32 $r14 0x04 - bra nc #main_not_ctx_xfer - // fetch $flags and mask off $p1/$p2 - mov $r1 $flags - mov $r2 0x0006 - not b32 $r2 - and $r1 $r2 - // set $p1/$p2 according to transfer type - shl b32 $r14 1 - or $r1 $r14 - mov $flags $r1 - // transfer context data - call #ctx_xfer - bra #main - - main_not_ctx_xfer: - shl b32 $r15 $r14 16 - or $r15 E_BAD_COMMAND - call #error - bra #main - -// interrupt handler -ih: - push $r8 - mov $r8 $flags - push $r8 - push $r9 - push $r10 - push $r11 - push $r13 - push $r14 - push $r15 - - // incoming fifo command? - iord $r10 I[$r0 + 0x200] // INTR - and $r11 $r10 0x00000004 - bra e #ih_no_fifo - // queue incoming fifo command for later processing - mov $r11 0x1900 - mov $r13 #cmd_queue - iord $r14 I[$r11 + 0x100] // FIFO_CMD - iord $r15 I[$r11 + 0x000] // FIFO_DATA - call #queue_put - add b32 $r11 0x400 - mov $r14 1 - iowr I[$r11 + 0x000] $r14 // FIFO_ACK - - // ack, and wake up main() - ih_no_fifo: - iowr I[$r0 + 0x100] $r10 // INTR_ACK - - pop $r15 - pop $r14 - pop $r13 - pop $r11 - pop $r10 - pop $r9 - pop $r8 - mov $flags $r8 - pop $r8 - bclr $flags $p0 - iret - -// Set this GPC's bit in HUB_BAR, used to signal completion of various -// activities to the HUB fuc -// -hub_barrier_done: - mov $r15 1 - ld b32 $r14 D[$r0 + #gpc_id] - shl b32 $r15 $r14 - mov $r14 -0x6be8 // 0x409418 - HUB_BAR_SET - sethi $r14 0x400000 - call #nv_wr32 - ret - -// Disables various things, waits a bit, and re-enables them.. -// -// Not sure how exactly this helps, perhaps "ENABLE" is not such a -// good description for the bits we turn off? Anyways, without this, -// funny things happen. -// -ctx_redswitch: - mov $r14 0x614 - shl b32 $r14 6 - mov $r15 0x020 - iowr I[$r14] $r15 // GPC_RED_SWITCH = POWER - mov $r15 8 - ctx_redswitch_delay: - sub b32 $r15 1 - bra ne #ctx_redswitch_delay - mov $r15 0xa20 - iowr I[$r14] $r15 // GPC_RED_SWITCH = UNK11, ENABLE, POWER - ret - -// Transfer GPC context data between GPU and storage area -// -// In: $r15 context base address -// $p1 clear on save, set on load -// $p2 set if opposite direction done/will be done, so: -// on save it means: "a load will follow this save" -// on load it means: "a save preceeded this load" -// -ctx_xfer: - // set context base address - mov $r1 0xa04 - shl b32 $r1 6 - iowr I[$r1 + 0x000] $r15// MEM_BASE - bra not $p1 #ctx_xfer_not_load - call #ctx_redswitch - ctx_xfer_not_load: - - // strands - mov $r1 0x4afc - sethi $r1 0x20000 - mov $r2 0xc - iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x0c - call #strand_wait - mov $r2 0x47fc - sethi $r2 0x20000 - iowr I[$r2] $r0 // STRAND_FIRST_GENE(0x3f) = 0x00 - xbit $r2 $flags $p1 - add b32 $r2 3 - iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x03/0x04 (SAVE/LOAD) - - // mmio context - xbit $r10 $flags $p1 // direction - or $r10 2 // first - mov $r11 0x0000 - sethi $r11 0x500000 - ld b32 $r12 D[$r0 + #gpc_id] - shl b32 $r12 15 - add b32 $r11 $r12 // base = NV_PGRAPH_GPCn - ld b32 $r12 D[$r0 + #gpc_mmio_list_head] - ld b32 $r13 D[$r0 + #gpc_mmio_list_tail] - mov $r14 0 // not multi - call #mmctx_xfer - - // per-TPC mmio context - xbit $r10 $flags $p1 // direction - or $r10 4 // last - mov $r11 0x4000 - sethi $r11 0x500000 // base = NV_PGRAPH_GPC0_TPC0 - ld b32 $r12 D[$r0 + #gpc_id] - shl b32 $r12 15 - add b32 $r11 $r12 // base = NV_PGRAPH_GPCn_TPC0 - ld b32 $r12 D[$r0 + #tpc_mmio_list_head] - ld b32 $r13 D[$r0 + #tpc_mmio_list_tail] - ld b32 $r15 D[$r0 + #tpc_mask] - mov $r14 0x800 // stride = 0x800 - call #mmctx_xfer - - // wait for strands to finish - call #strand_wait - - // if load, or a save without a load following, do some - // unknown stuff that's done after finishing a block of - // strand commands - bra $p1 #ctx_xfer_post - bra not $p2 #ctx_xfer_done - ctx_xfer_post: - mov $r1 0x4afc - sethi $r1 0x20000 - mov $r2 0xd - iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x0d - call #strand_wait - - // mark completion in HUB's barrier - ctx_xfer_done: - call #hub_barrier_done - ret - +#include "com.fuc" +#include "gpc.fuc" .align 256 +#undef INCLUDE_CODE |