drm/amdgpu: split gfx8 gpu init into sw and hw parts
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 3 Sep 2015 21:58:06 +0000 (17:58 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 8 Oct 2015 03:48:21 +0000 (23:48 -0400)
Calculate the driver state in sw_init and program the
registers in hw init.

Acked-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

index cb4f68f53f248ab58cdb00100dc0da5d6f81da9d..718250ae9856b144c86d6f0ad5db5246ca16c737 100644 (file)
@@ -903,6 +903,191 @@ static int gfx_v8_0_mec_init(struct amdgpu_device *adev)
        return 0;
 }
 
+static void gfx_v8_0_gpu_early_init(struct amdgpu_device *adev)
+{
+       u32 gb_addr_config;
+       u32 mc_shared_chmap, mc_arb_ramcfg;
+       u32 dimm00_addr_map, dimm01_addr_map, dimm10_addr_map, dimm11_addr_map;
+       u32 tmp;
+
+       switch (adev->asic_type) {
+       case CHIP_TOPAZ:
+               adev->gfx.config.max_shader_engines = 1;
+               adev->gfx.config.max_tile_pipes = 2;
+               adev->gfx.config.max_cu_per_sh = 6;
+               adev->gfx.config.max_sh_per_se = 1;
+               adev->gfx.config.max_backends_per_se = 2;
+               adev->gfx.config.max_texture_channel_caches = 2;
+               adev->gfx.config.max_gprs = 256;
+               adev->gfx.config.max_gs_threads = 32;
+               adev->gfx.config.max_hw_contexts = 8;
+
+               adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
+               adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
+               adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
+               adev->gfx.config.sc_earlyz_tile_fifo_size = 0x130;
+               gb_addr_config = TOPAZ_GB_ADDR_CONFIG_GOLDEN;
+               break;
+       case CHIP_FIJI:
+               adev->gfx.config.max_shader_engines = 4;
+               adev->gfx.config.max_tile_pipes = 16;
+               adev->gfx.config.max_cu_per_sh = 16;
+               adev->gfx.config.max_sh_per_se = 1;
+               adev->gfx.config.max_backends_per_se = 4;
+               adev->gfx.config.max_texture_channel_caches = 8;
+               adev->gfx.config.max_gprs = 256;
+               adev->gfx.config.max_gs_threads = 32;
+               adev->gfx.config.max_hw_contexts = 8;
+
+               adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
+               adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
+               adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
+               adev->gfx.config.sc_earlyz_tile_fifo_size = 0x130;
+               gb_addr_config = TONGA_GB_ADDR_CONFIG_GOLDEN;
+               break;
+       case CHIP_TONGA:
+               adev->gfx.config.max_shader_engines = 4;
+               adev->gfx.config.max_tile_pipes = 8;
+               adev->gfx.config.max_cu_per_sh = 8;
+               adev->gfx.config.max_sh_per_se = 1;
+               adev->gfx.config.max_backends_per_se = 2;
+               adev->gfx.config.max_texture_channel_caches = 8;
+               adev->gfx.config.max_gprs = 256;
+               adev->gfx.config.max_gs_threads = 32;
+               adev->gfx.config.max_hw_contexts = 8;
+
+               adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
+               adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
+               adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
+               adev->gfx.config.sc_earlyz_tile_fifo_size = 0x130;
+               gb_addr_config = TONGA_GB_ADDR_CONFIG_GOLDEN;
+               break;
+       case CHIP_CARRIZO:
+               adev->gfx.config.max_shader_engines = 1;
+               adev->gfx.config.max_tile_pipes = 2;
+               adev->gfx.config.max_sh_per_se = 1;
+               adev->gfx.config.max_backends_per_se = 2;
+
+               switch (adev->pdev->revision) {
+               case 0xc4:
+               case 0x84:
+               case 0xc8:
+               case 0xcc:
+                       /* B10 */
+                       adev->gfx.config.max_cu_per_sh = 8;
+                       break;
+               case 0xc5:
+               case 0x81:
+               case 0x85:
+               case 0xc9:
+               case 0xcd:
+                       /* B8 */
+                       adev->gfx.config.max_cu_per_sh = 6;
+                       break;
+               case 0xc6:
+               case 0xca:
+               case 0xce:
+                       /* B6 */
+                       adev->gfx.config.max_cu_per_sh = 6;
+                       break;
+               case 0xc7:
+               case 0x87:
+               case 0xcb:
+               default:
+                       /* B4 */
+                       adev->gfx.config.max_cu_per_sh = 4;
+                       break;
+               }
+
+               adev->gfx.config.max_texture_channel_caches = 2;
+               adev->gfx.config.max_gprs = 256;
+               adev->gfx.config.max_gs_threads = 32;
+               adev->gfx.config.max_hw_contexts = 8;
+
+               adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
+               adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
+               adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
+               adev->gfx.config.sc_earlyz_tile_fifo_size = 0x130;
+               gb_addr_config = CARRIZO_GB_ADDR_CONFIG_GOLDEN;
+               break;
+       default:
+               adev->gfx.config.max_shader_engines = 2;
+               adev->gfx.config.max_tile_pipes = 4;
+               adev->gfx.config.max_cu_per_sh = 2;
+               adev->gfx.config.max_sh_per_se = 1;
+               adev->gfx.config.max_backends_per_se = 2;
+               adev->gfx.config.max_texture_channel_caches = 4;
+               adev->gfx.config.max_gprs = 256;
+               adev->gfx.config.max_gs_threads = 32;
+               adev->gfx.config.max_hw_contexts = 8;
+
+               adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
+               adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
+               adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
+               adev->gfx.config.sc_earlyz_tile_fifo_size = 0x130;
+               gb_addr_config = TONGA_GB_ADDR_CONFIG_GOLDEN;
+               break;
+       }
+
+       mc_shared_chmap = RREG32(mmMC_SHARED_CHMAP);
+       adev->gfx.config.mc_arb_ramcfg = RREG32(mmMC_ARB_RAMCFG);
+       mc_arb_ramcfg = adev->gfx.config.mc_arb_ramcfg;
+
+       adev->gfx.config.num_tile_pipes = adev->gfx.config.max_tile_pipes;
+       adev->gfx.config.mem_max_burst_length_bytes = 256;
+       if (adev->flags & AMD_IS_APU) {
+               /* Get memory bank mapping mode. */
+               tmp = RREG32(mmMC_FUS_DRAM0_BANK_ADDR_MAPPING);
+               dimm00_addr_map = REG_GET_FIELD(tmp, MC_FUS_DRAM0_BANK_ADDR_MAPPING, DIMM0ADDRMAP);
+               dimm01_addr_map = REG_GET_FIELD(tmp, MC_FUS_DRAM0_BANK_ADDR_MAPPING, DIMM1ADDRMAP);
+
+               tmp = RREG32(mmMC_FUS_DRAM1_BANK_ADDR_MAPPING);
+               dimm10_addr_map = REG_GET_FIELD(tmp, MC_FUS_DRAM1_BANK_ADDR_MAPPING, DIMM0ADDRMAP);
+               dimm11_addr_map = REG_GET_FIELD(tmp, MC_FUS_DRAM1_BANK_ADDR_MAPPING, DIMM1ADDRMAP);
+
+               /* Validate settings in case only one DIMM installed. */
+               if ((dimm00_addr_map == 0) || (dimm00_addr_map == 3) || (dimm00_addr_map == 4) || (dimm00_addr_map > 12))
+                       dimm00_addr_map = 0;
+               if ((dimm01_addr_map == 0) || (dimm01_addr_map == 3) || (dimm01_addr_map == 4) || (dimm01_addr_map > 12))
+                       dimm01_addr_map = 0;
+               if ((dimm10_addr_map == 0) || (dimm10_addr_map == 3) || (dimm10_addr_map == 4) || (dimm10_addr_map > 12))
+                       dimm10_addr_map = 0;
+               if ((dimm11_addr_map == 0) || (dimm11_addr_map == 3) || (dimm11_addr_map == 4) || (dimm11_addr_map > 12))
+                       dimm11_addr_map = 0;
+
+               /* If DIMM Addr map is 8GB, ROW size should be 2KB. Otherwise 1KB. */
+               /* If ROW size(DIMM1) != ROW size(DMIMM0), ROW size should be larger one. */
+               if ((dimm00_addr_map == 11) || (dimm01_addr_map == 11) || (dimm10_addr_map == 11) || (dimm11_addr_map == 11))
+                       adev->gfx.config.mem_row_size_in_kb = 2;
+               else
+                       adev->gfx.config.mem_row_size_in_kb = 1;
+       } else {
+               tmp = REG_GET_FIELD(mc_arb_ramcfg, MC_ARB_RAMCFG, NOOFCOLS);
+               adev->gfx.config.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
+               if (adev->gfx.config.mem_row_size_in_kb > 4)
+                       adev->gfx.config.mem_row_size_in_kb = 4;
+       }
+
+       adev->gfx.config.shader_engine_tile_size = 32;
+       adev->gfx.config.num_gpus = 1;
+       adev->gfx.config.multi_gpu_tile_size = 64;
+
+       /* fix up row size */
+       switch (adev->gfx.config.mem_row_size_in_kb) {
+       case 1:
+       default:
+               gb_addr_config = REG_SET_FIELD(gb_addr_config, GB_ADDR_CONFIG, ROW_SIZE, 0);
+               break;
+       case 2:
+               gb_addr_config = REG_SET_FIELD(gb_addr_config, GB_ADDR_CONFIG, ROW_SIZE, 1);
+               break;
+       case 4:
+               gb_addr_config = REG_SET_FIELD(gb_addr_config, GB_ADDR_CONFIG, ROW_SIZE, 2);
+               break;
+       }
+       adev->gfx.config.gb_addr_config = gb_addr_config;
+}
+
 static int gfx_v8_0_sw_init(void *handle)
 {
        int i, r;
@@ -1010,6 +1195,8 @@ static int gfx_v8_0_sw_init(void *handle)
 
        adev->gfx.ce_ram_size = 0x8000;
 
+       gfx_v8_0_gpu_early_init(adev);
+
        return 0;
 }
 
@@ -2043,203 +2230,23 @@ static void gfx_v8_0_init_compute_vmid(struct amdgpu_device *adev)
 
 static void gfx_v8_0_gpu_init(struct amdgpu_device *adev)
 {
-       u32 gb_addr_config;
-       u32 mc_shared_chmap, mc_arb_ramcfg;
-       u32 dimm00_addr_map, dimm01_addr_map, dimm10_addr_map, dimm11_addr_map;
        u32 tmp;
        int i;
 
-       switch (adev->asic_type) {
-       case CHIP_TOPAZ:
-               adev->gfx.config.max_shader_engines = 1;
-               adev->gfx.config.max_tile_pipes = 2;
-               adev->gfx.config.max_cu_per_sh = 6;
-               adev->gfx.config.max_sh_per_se = 1;
-               adev->gfx.config.max_backends_per_se = 2;
-               adev->gfx.config.max_texture_channel_caches = 2;
-               adev->gfx.config.max_gprs = 256;
-               adev->gfx.config.max_gs_threads = 32;
-               adev->gfx.config.max_hw_contexts = 8;
-
-               adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
-               adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
-               adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
-               adev->gfx.config.sc_earlyz_tile_fifo_size = 0x130;
-               gb_addr_config = TOPAZ_GB_ADDR_CONFIG_GOLDEN;
-               break;
-       case CHIP_FIJI:
-               adev->gfx.config.max_shader_engines = 4;
-               adev->gfx.config.max_tile_pipes = 16;
-               adev->gfx.config.max_cu_per_sh = 16;
-               adev->gfx.config.max_sh_per_se = 1;
-               adev->gfx.config.max_backends_per_se = 4;
-               adev->gfx.config.max_texture_channel_caches = 8;
-               adev->gfx.config.max_gprs = 256;
-               adev->gfx.config.max_gs_threads = 32;
-               adev->gfx.config.max_hw_contexts = 8;
-
-               adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
-               adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
-               adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
-               adev->gfx.config.sc_earlyz_tile_fifo_size = 0x130;
-               gb_addr_config = TONGA_GB_ADDR_CONFIG_GOLDEN;
-               break;
-       case CHIP_TONGA:
-               adev->gfx.config.max_shader_engines = 4;
-               adev->gfx.config.max_tile_pipes = 8;
-               adev->gfx.config.max_cu_per_sh = 8;
-               adev->gfx.config.max_sh_per_se = 1;
-               adev->gfx.config.max_backends_per_se = 2;
-               adev->gfx.config.max_texture_channel_caches = 8;
-               adev->gfx.config.max_gprs = 256;
-               adev->gfx.config.max_gs_threads = 32;
-               adev->gfx.config.max_hw_contexts = 8;
-
-               adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
-               adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
-               adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
-               adev->gfx.config.sc_earlyz_tile_fifo_size = 0x130;
-               gb_addr_config = TONGA_GB_ADDR_CONFIG_GOLDEN;
-               break;
-       case CHIP_CARRIZO:
-               adev->gfx.config.max_shader_engines = 1;
-               adev->gfx.config.max_tile_pipes = 2;
-               adev->gfx.config.max_sh_per_se = 1;
-               adev->gfx.config.max_backends_per_se = 2;
-
-               switch (adev->pdev->revision) {
-               case 0xc4:
-               case 0x84:
-               case 0xc8:
-               case 0xcc:
-                       /* B10 */
-                       adev->gfx.config.max_cu_per_sh = 8;
-                       break;
-               case 0xc5:
-               case 0x81:
-               case 0x85:
-               case 0xc9:
-               case 0xcd:
-                       /* B8 */
-                       adev->gfx.config.max_cu_per_sh = 6;
-                       break;
-               case 0xc6:
-               case 0xca:
-               case 0xce:
-                       /* B6 */
-                       adev->gfx.config.max_cu_per_sh = 6;
-                       break;
-               case 0xc7:
-               case 0x87:
-               case 0xcb:
-               default:
-                       /* B4 */
-                       adev->gfx.config.max_cu_per_sh = 4;
-                       break;
-               }
-
-               adev->gfx.config.max_texture_channel_caches = 2;
-               adev->gfx.config.max_gprs = 256;
-               adev->gfx.config.max_gs_threads = 32;
-               adev->gfx.config.max_hw_contexts = 8;
-
-               adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
-               adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
-               adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
-               adev->gfx.config.sc_earlyz_tile_fifo_size = 0x130;
-               gb_addr_config = CARRIZO_GB_ADDR_CONFIG_GOLDEN;
-               break;
-       default:
-               adev->gfx.config.max_shader_engines = 2;
-               adev->gfx.config.max_tile_pipes = 4;
-               adev->gfx.config.max_cu_per_sh = 2;
-               adev->gfx.config.max_sh_per_se = 1;
-               adev->gfx.config.max_backends_per_se = 2;
-               adev->gfx.config.max_texture_channel_caches = 4;
-               adev->gfx.config.max_gprs = 256;
-               adev->gfx.config.max_gs_threads = 32;
-               adev->gfx.config.max_hw_contexts = 8;
-
-               adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
-               adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
-               adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
-               adev->gfx.config.sc_earlyz_tile_fifo_size = 0x130;
-               gb_addr_config = TONGA_GB_ADDR_CONFIG_GOLDEN;
-               break;
-       }
-
        tmp = RREG32(mmGRBM_CNTL);
        tmp = REG_SET_FIELD(tmp, GRBM_CNTL, READ_TIMEOUT, 0xff);
        WREG32(mmGRBM_CNTL, tmp);
 
-       mc_shared_chmap = RREG32(mmMC_SHARED_CHMAP);
-       adev->gfx.config.mc_arb_ramcfg = RREG32(mmMC_ARB_RAMCFG);
-       mc_arb_ramcfg = adev->gfx.config.mc_arb_ramcfg;
-
-       adev->gfx.config.num_tile_pipes = adev->gfx.config.max_tile_pipes;
-       adev->gfx.config.mem_max_burst_length_bytes = 256;
-       if (adev->flags & AMD_IS_APU) {
-               /* Get memory bank mapping mode. */
-               tmp = RREG32(mmMC_FUS_DRAM0_BANK_ADDR_MAPPING);
-               dimm00_addr_map = REG_GET_FIELD(tmp, MC_FUS_DRAM0_BANK_ADDR_MAPPING, DIMM0ADDRMAP);
-               dimm01_addr_map = REG_GET_FIELD(tmp, MC_FUS_DRAM0_BANK_ADDR_MAPPING, DIMM1ADDRMAP);
-
-               tmp = RREG32(mmMC_FUS_DRAM1_BANK_ADDR_MAPPING);
-               dimm10_addr_map = REG_GET_FIELD(tmp, MC_FUS_DRAM1_BANK_ADDR_MAPPING, DIMM0ADDRMAP);
-               dimm11_addr_map = REG_GET_FIELD(tmp, MC_FUS_DRAM1_BANK_ADDR_MAPPING, DIMM1ADDRMAP);
-
-               /* Validate settings in case only one DIMM installed. */
-               if ((dimm00_addr_map == 0) || (dimm00_addr_map == 3) || (dimm00_addr_map == 4) || (dimm00_addr_map > 12))
-                       dimm00_addr_map = 0;
-               if ((dimm01_addr_map == 0) || (dimm01_addr_map == 3) || (dimm01_addr_map == 4) || (dimm01_addr_map > 12))
-                       dimm01_addr_map = 0;
-               if ((dimm10_addr_map == 0) || (dimm10_addr_map == 3) || (dimm10_addr_map == 4) || (dimm10_addr_map > 12))
-                       dimm10_addr_map = 0;
-               if ((dimm11_addr_map == 0) || (dimm11_addr_map == 3) || (dimm11_addr_map == 4) || (dimm11_addr_map > 12))
-                       dimm11_addr_map = 0;
-
-               /* If DIMM Addr map is 8GB, ROW size should be 2KB. Otherwise 1KB. */
-               /* If ROW size(DIMM1) != ROW size(DMIMM0), ROW size should be larger one. */
-               if ((dimm00_addr_map == 11) || (dimm01_addr_map == 11) || (dimm10_addr_map == 11) || (dimm11_addr_map == 11))
-                       adev->gfx.config.mem_row_size_in_kb = 2;
-               else
-                       adev->gfx.config.mem_row_size_in_kb = 1;
-       } else {
-               tmp = REG_GET_FIELD(mc_arb_ramcfg, MC_ARB_RAMCFG, NOOFCOLS);
-               adev->gfx.config.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
-               if (adev->gfx.config.mem_row_size_in_kb > 4)
-                       adev->gfx.config.mem_row_size_in_kb = 4;
-       }
-
-       adev->gfx.config.shader_engine_tile_size = 32;
-       adev->gfx.config.num_gpus = 1;
-       adev->gfx.config.multi_gpu_tile_size = 64;
-
-       /* fix up row size */
-       switch (adev->gfx.config.mem_row_size_in_kb) {
-       case 1:
-       default:
-               gb_addr_config = REG_SET_FIELD(gb_addr_config, GB_ADDR_CONFIG, ROW_SIZE, 0);
-               break;
-       case 2:
-               gb_addr_config = REG_SET_FIELD(gb_addr_config, GB_ADDR_CONFIG, ROW_SIZE, 1);
-               break;
-       case 4:
-               gb_addr_config = REG_SET_FIELD(gb_addr_config, GB_ADDR_CONFIG, ROW_SIZE, 2);
-               break;
-       }
-       adev->gfx.config.gb_addr_config = gb_addr_config;
-
-       WREG32(mmGB_ADDR_CONFIG, gb_addr_config);
-       WREG32(mmHDP_ADDR_CONFIG, gb_addr_config);
-       WREG32(mmDMIF_ADDR_CALC, gb_addr_config);
+       WREG32(mmGB_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
+       WREG32(mmHDP_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
+       WREG32(mmDMIF_ADDR_CALC, adev->gfx.config.gb_addr_config);
        WREG32(mmSDMA0_TILING_CONFIG + SDMA0_REGISTER_OFFSET,
-              gb_addr_config & 0x70);
+              adev->gfx.config.gb_addr_config & 0x70);
        WREG32(mmSDMA0_TILING_CONFIG + SDMA1_REGISTER_OFFSET,
-              gb_addr_config & 0x70);
-       WREG32(mmUVD_UDEC_ADDR_CONFIG, gb_addr_config);
-       WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
-       WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
+              adev->gfx.config.gb_addr_config & 0x70);
+       WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
+       WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
+       WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
 
        gfx_v8_0_tiling_mode_table_init(adev);
 
@@ -2256,13 +2263,13 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev)
                if (i == 0) {
                        tmp = REG_SET_FIELD(0, SH_MEM_CONFIG, DEFAULT_MTYPE, MTYPE_UC);
                        tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, APE1_MTYPE, MTYPE_UC);
-                       tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, ALIGNMENT_MODE, 
+                       tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, ALIGNMENT_MODE,
                                            SH_MEM_ALIGNMENT_MODE_UNALIGNED);
                        WREG32(mmSH_MEM_CONFIG, tmp);
                } else {
                        tmp = REG_SET_FIELD(0, SH_MEM_CONFIG, DEFAULT_MTYPE, MTYPE_NC);
                        tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, APE1_MTYPE, MTYPE_NC);
-                       tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, ALIGNMENT_MODE, 
+                       tmp = REG_SET_FIELD(tmp, SH_MEM_CONFIG, ALIGNMENT_MODE,
                                            SH_MEM_ALIGNMENT_MODE_UNALIGNED);
                        WREG32(mmSH_MEM_CONFIG, tmp);
                }