diff options
Diffstat (limited to 'src/soc/mediatek')
| -rw-r--r-- | src/soc/mediatek/mt8192/dramc_dvfs.c | 84 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8192/dramc_pi_main.c | 5 |
2 files changed, 89 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8192/dramc_dvfs.c b/src/soc/mediatek/mt8192/dramc_dvfs.c index c784dfb090..7fc8d28fd9 100644 --- a/src/soc/mediatek/mt8192/dramc_dvfs.c +++ b/src/soc/mediatek/mt8192/dramc_dvfs.c @@ -104,3 +104,87 @@ void dramc_dfs_direct_jump_rg_mode(const struct ddr_cali *cali, u8 shu_level) pll_mode = !pll_mode; *(cali->pll_mode) = pll_mode; } + +void dramc_save_result_to_shuffle(dram_dfs_shu src, dram_dfs_shu dst) +{ + u8 tmp; + + for (u8 chn = 0; chn < CHANNEL_MAX; chn++) { + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_DMA_FIRE, 0); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_APB_SLV_SEL, 0); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_MODE, 1); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_STEP_EN_MODE, 1); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SRAM_WR_MODE, 1); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_APB_WR_MODE, 0); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_SHU_LEVEL_APB, src); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_SHU_LEVEL_SRAM, dst); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_DMA_FIRE, 1); + do { + tmp = READ32_BITFIELD(&ch[chn].phy_nao.misc_dma_debug0, + MISC_DMA_DEBUG0_SRAM_DONE); + tmp |= (READ32_BITFIELD(&ch[chn].phy_nao.misc_dma_debug0, + MISC_DMA_DEBUG0_APB_DONE) << 1); + dramc_dbg("Waiting dramc to shuffle sram, tmp: %u\n", tmp); + } while (tmp != 0x3); + + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_DMA_FIRE, 0); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_STEP_EN_MODE, 0); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_MODE, 0); + } + + for (u8 chn = 0; chn < CHANNEL_MAX; chn++) + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SRAM_WR_MODE, 0); +} + +void dramc_load_shuffle_to_dramc(dram_dfs_shu src, dram_dfs_shu dst) +{ + u8 tmp; + + for (u8 chn = 0; chn < CHANNEL_MAX; chn++) { + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_DMA_FIRE, 0); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_APB_SLV_SEL, 0); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_MODE, 1); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_STEP_EN_MODE, 1); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SRAM_WR_MODE, 0); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_APB_WR_MODE, 1); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_SHU_LEVEL_APB, dst); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_SHU_LEVEL_SRAM, src); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_DMA_FIRE, 1); + do { + tmp = READ32_BITFIELD(&ch[chn].phy_nao.misc_dma_debug0, + MISC_DMA_DEBUG0_SRAM_DONE); + tmp |= (READ32_BITFIELD(&ch[chn].phy_nao.misc_dma_debug0, + MISC_DMA_DEBUG0_APB_DONE) << 1); + dramc_dbg("Waiting shuffle sram to dramc, tmp: %u\n", tmp); + } while (tmp != 0x3); + + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_DMA_FIRE, 0); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_STEP_EN_MODE, 0); + SET32_BITFIELDS(&ch[chn].phy_ao.misc_sram_dma0, + MISC_SRAM_DMA0_SW_MODE, 0); + } +} diff --git a/src/soc/mediatek/mt8192/dramc_pi_main.c b/src/soc/mediatek/mt8192/dramc_pi_main.c index 0373c8212c..b4e6e1ae96 100644 --- a/src/soc/mediatek/mt8192/dramc_pi_main.c +++ b/src/soc/mediatek/mt8192/dramc_pi_main.c @@ -321,6 +321,11 @@ void init_dram(const struct dramc_data *dparam) get_dram_info_after_cal(&cali); dramc_ac_timing_optimize(&cali); + dramc_save_result_to_shuffle(DRAM_DFS_SHU0, cali.shu); + + /* for frequency switch in dramc_mode_reg_init phase */ + if (first_freq_k) + dramc_load_shuffle_to_dramc(cali.shu, DRAM_DFS_SHU1); first_freq_k = false; } |