[PATCH 24/48] drm/radeon/kms: add support for MC ucode loading on SI
alexdeucher at gmail.com
alexdeucher at gmail.com
Tue Mar 20 14:18:18 PDT 2012
From: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/radeon/si.c | 195 ++++++++++++++++++++++++++++++++++++++++++
drivers/gpu/drm/radeon/sid.h | 16 ++++
2 files changed, 211 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 0938c21..a8789de 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -77,6 +77,201 @@ int si_get_temp(struct radeon_device *rdev)
return actual_temp;
}
+#define TAHITI_IO_MC_REGS_SIZE 36
+
+static const u32 tahiti_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
+ {0x0000006f, 0x03044000},
+ {0x00000070, 0x0480c018},
+ {0x00000071, 0x00000040},
+ {0x00000072, 0x01000000},
+ {0x00000074, 0x000000ff},
+ {0x00000075, 0x00143400},
+ {0x00000076, 0x08ec0800},
+ {0x00000077, 0x040000cc},
+ {0x00000079, 0x00000000},
+ {0x0000007a, 0x21000409},
+ {0x0000007c, 0x00000000},
+ {0x0000007d, 0xe8000000},
+ {0x0000007e, 0x044408a8},
+ {0x0000007f, 0x00000003},
+ {0x00000080, 0x00000000},
+ {0x00000081, 0x01000000},
+ {0x00000082, 0x02000000},
+ {0x00000083, 0x00000000},
+ {0x00000084, 0xe3f3e4f4},
+ {0x00000085, 0x00052024},
+ {0x00000087, 0x00000000},
+ {0x00000088, 0x66036603},
+ {0x00000089, 0x01000000},
+ {0x0000008b, 0x1c0a0000},
+ {0x0000008c, 0xff010000},
+ {0x0000008e, 0xffffefff},
+ {0x0000008f, 0xfff3efff},
+ {0x00000090, 0xfff3efbf},
+ {0x00000094, 0x00101101},
+ {0x00000095, 0x00000fff},
+ {0x00000096, 0x00116fff},
+ {0x00000097, 0x60010000},
+ {0x00000098, 0x10010000},
+ {0x00000099, 0x00006000},
+ {0x0000009a, 0x00001000},
+ {0x0000009f, 0x00a77400}
+};
+
+static const u32 pitcairn_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
+ {0x0000006f, 0x03044000},
+ {0x00000070, 0x0480c018},
+ {0x00000071, 0x00000040},
+ {0x00000072, 0x01000000},
+ {0x00000074, 0x000000ff},
+ {0x00000075, 0x00143400},
+ {0x00000076, 0x08ec0800},
+ {0x00000077, 0x040000cc},
+ {0x00000079, 0x00000000},
+ {0x0000007a, 0x21000409},
+ {0x0000007c, 0x00000000},
+ {0x0000007d, 0xe8000000},
+ {0x0000007e, 0x044408a8},
+ {0x0000007f, 0x00000003},
+ {0x00000080, 0x00000000},
+ {0x00000081, 0x01000000},
+ {0x00000082, 0x02000000},
+ {0x00000083, 0x00000000},
+ {0x00000084, 0xe3f3e4f4},
+ {0x00000085, 0x00052024},
+ {0x00000087, 0x00000000},
+ {0x00000088, 0x66036603},
+ {0x00000089, 0x01000000},
+ {0x0000008b, 0x1c0a0000},
+ {0x0000008c, 0xff010000},
+ {0x0000008e, 0xffffefff},
+ {0x0000008f, 0xfff3efff},
+ {0x00000090, 0xfff3efbf},
+ {0x00000094, 0x00101101},
+ {0x00000095, 0x00000fff},
+ {0x00000096, 0x00116fff},
+ {0x00000097, 0x60010000},
+ {0x00000098, 0x10010000},
+ {0x00000099, 0x00006000},
+ {0x0000009a, 0x00001000},
+ {0x0000009f, 0x00a47400}
+};
+
+static const u32 verde_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
+ {0x0000006f, 0x03044000},
+ {0x00000070, 0x0480c018},
+ {0x00000071, 0x00000040},
+ {0x00000072, 0x01000000},
+ {0x00000074, 0x000000ff},
+ {0x00000075, 0x00143400},
+ {0x00000076, 0x08ec0800},
+ {0x00000077, 0x040000cc},
+ {0x00000079, 0x00000000},
+ {0x0000007a, 0x21000409},
+ {0x0000007c, 0x00000000},
+ {0x0000007d, 0xe8000000},
+ {0x0000007e, 0x044408a8},
+ {0x0000007f, 0x00000003},
+ {0x00000080, 0x00000000},
+ {0x00000081, 0x01000000},
+ {0x00000082, 0x02000000},
+ {0x00000083, 0x00000000},
+ {0x00000084, 0xe3f3e4f4},
+ {0x00000085, 0x00052024},
+ {0x00000087, 0x00000000},
+ {0x00000088, 0x66036603},
+ {0x00000089, 0x01000000},
+ {0x0000008b, 0x1c0a0000},
+ {0x0000008c, 0xff010000},
+ {0x0000008e, 0xffffefff},
+ {0x0000008f, 0xfff3efff},
+ {0x00000090, 0xfff3efbf},
+ {0x00000094, 0x00101101},
+ {0x00000095, 0x00000fff},
+ {0x00000096, 0x00116fff},
+ {0x00000097, 0x60010000},
+ {0x00000098, 0x10010000},
+ {0x00000099, 0x00006000},
+ {0x0000009a, 0x00001000},
+ {0x0000009f, 0x00a37400}
+};
+
+/* ucode loading */
+static int si_mc_load_microcode(struct radeon_device *rdev)
+{
+ const __be32 *fw_data;
+ u32 running, blackout = 0;
+ u32 *io_mc_regs;
+ int i, ucode_size, regs_size;
+
+ if (!rdev->mc_fw)
+ return -EINVAL;
+
+ switch (rdev->family) {
+ case CHIP_TAHITI:
+ io_mc_regs = (u32 *)&tahiti_io_mc_regs;
+ ucode_size = SI_MC_UCODE_SIZE;
+ regs_size = TAHITI_IO_MC_REGS_SIZE;
+ break;
+ case CHIP_PITCAIRN:
+ io_mc_regs = (u32 *)&pitcairn_io_mc_regs;
+ ucode_size = SI_MC_UCODE_SIZE;
+ regs_size = TAHITI_IO_MC_REGS_SIZE;
+ break;
+ case CHIP_VERDE:
+ default:
+ io_mc_regs = (u32 *)&verde_io_mc_regs;
+ ucode_size = SI_MC_UCODE_SIZE;
+ regs_size = TAHITI_IO_MC_REGS_SIZE;
+ break;
+ }
+
+ running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
+
+ if (running == 0) {
+ if (running) {
+ blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
+ WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
+ }
+
+ /* reset the engine and set to writable */
+ WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
+ WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
+
+ /* load mc io regs */
+ for (i = 0; i < regs_size; i++) {
+ WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
+ WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
+ }
+ /* load the MC ucode */
+ fw_data = (const __be32 *)rdev->mc_fw->data;
+ for (i = 0; i < ucode_size; i++)
+ WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
+
+ /* put the engine back into the active state */
+ WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
+ WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
+ WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
+
+ /* wait for training to complete */
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D0)
+ break;
+ udelay(1);
+ }
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D1)
+ break;
+ udelay(1);
+ }
+
+ if (running)
+ WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
+ }
+
+ return 0;
+}
+
static int si_init_microcode(struct radeon_device *rdev)
{
struct platform_device *pdev;
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index ed1b1e5..3cc25db 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -142,6 +142,8 @@
#define SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU (0 << 5)
#define ENABLE_ADVANCED_DRIVER_MODEL (1 << 6)
+#define MC_SHARED_BLACKOUT_CNTL 0x20ac
+
#define MC_ARB_RAMCFG 0x2760
#define NOOFBANK_SHIFT 0
#define NOOFBANK_MASK 0x00000003
@@ -157,6 +159,20 @@
#define NOOFGROUPS_SHIFT 12
#define NOOFGROUPS_MASK 0x00001000
+#define MC_SEQ_TRAIN_WAKEUP_CNTL 0x2808
+#define TRAIN_DONE_D0 (1 << 30)
+#define TRAIN_DONE_D1 (1 << 31)
+
+#define MC_SEQ_SUP_CNTL 0x28c8
+#define RUN_MASK (1 << 0)
+#define MC_SEQ_SUP_PGM 0x28cc
+
+#define MC_IO_PAD_CNTL_D0 0x29d0
+#define MEM_FALL_OUT_CMD (1 << 8)
+
+#define MC_SEQ_IO_DEBUG_INDEX 0x2a44
+#define MC_SEQ_IO_DEBUG_DATA 0x2a48
+
#define HDP_HOST_PATH_CNTL 0x2C00
#define HDP_NONSURFACE_BASE 0x2C04
#define HDP_NONSURFACE_INFO 0x2C08
--
1.7.7.5
More information about the dri-devel
mailing list