| /* SPDX-License-Identifier: GPL-2.0-only OR MIT */ |
| |
| #include <device/mmio.h> |
| #include <soc/iocfg.h> |
| #include <soc/pll.h> |
| #include <soc/pmif_spmi.h> |
| |
| /* IOCFG_LT, DRV_CFG2 */ |
| DEFINE_BITFIELD(SPMI_SCL, 14, 12) |
| DEFINE_BITFIELD(SPMI_SDA, 17, 15) |
| DEFINE_BIT(SPMI_SCL_IN, 27) |
| DEFINE_BIT(SPMI_SDA_IN, 28) |
| DEFINE_BIT(SPMI_SCL_PU, 11) |
| DEFINE_BIT(SPMI_SDA_PD, 12) |
| DEFINE_BIT(SPMI_SCL_SMT, 28) |
| DEFINE_BIT(SPMI_SDA_SMT, 28) |
| DEFINE_BITFIELD(SPMI_TD, 19, 16) |
| DEFINE_BITFIELD(SPMI_RD, 15, 14) |
| DEFINE_BITFIELD(SPMI_DRI, 5, 3) |
| |
| /* TOPRGU, WDT_SWSYSRST2 */ |
| DEFINE_BIT(SPMI_MST_RST, 23) |
| DEFINE_BITFIELD(UNLOCK_KEY, 31, 24) |
| |
| /* TOPCKGEN, CLK_CFG_17 */ |
| DEFINE_BITFIELD(CLK_SPMI_MST_SEL, 10, 8) |
| DEFINE_BIT(CLK_SPMI_MST_INT, 12) |
| DEFINE_BIT(PDN_SPMI_MST, 15) |
| |
| /* TOPCKGEN, CLK_CFG_UPDATE2 */ |
| DEFINE_BIT(SPMI_MST_CK_UPDATE, 5) |
| |
| const struct spmi_device spmi_dev[] = { |
| { |
| .slvid = SPMI_SLAVE_6, |
| .type = BUCK_CPU, |
| .type_id = BUCK_CPU_ID, |
| }, |
| }; |
| |
| const size_t spmi_dev_cnt = ARRAY_SIZE(spmi_dev); |
| |
| int spmi_config_master(void) |
| { |
| /* Software reset */ |
| SET32_BITFIELDS(&mtk_rug->wdt_swsysrst2, SPMI_MST_RST, 1, UNLOCK_KEY, 0x88); |
| |
| SET32_BITFIELDS(&mtk_topckgen->clk_cfg_17, |
| CLK_SPMI_MST_SEL, 0x3, |
| CLK_SPMI_MST_INT, 0, |
| PDN_SPMI_MST, 0); |
| SET32_BITFIELDS(&mtk_topckgen->clk_cfg_update2, SPMI_MST_CK_UPDATE, 1); |
| |
| /* Software reset */ |
| SET32_BITFIELDS(&mtk_rug->wdt_swsysrst2, SPMI_MST_RST, 0, UNLOCK_KEY, 0x88); |
| |
| /* Enable SPMI */ |
| write32(&mtk_spmi_mst->mst_req_en, 1); |
| write32(&mtk_spmi_mst->rcs_ctrl, 0x15); |
| |
| return 0; |
| } |
| |
| void pmif_spmi_config(struct pmif *arb, int mstid) |
| { |
| u32 cmd_per; |
| |
| /* Clear all cmd permission for per channel */ |
| write32(&arb->mtk_pmif->inf_cmd_per_0, 0); |
| write32(&arb->mtk_pmif->inf_cmd_per_1, 0); |
| write32(&arb->mtk_pmif->inf_cmd_per_2, 0); |
| write32(&arb->mtk_pmif->inf_cmd_per_3, 0); |
| |
| /* TODO: figure out correct setting for MT8188 */ |
| cmd_per = PMIF_CMD_PER_3 << 28 | PMIF_CMD_PER_3 << 24 | |
| PMIF_CMD_PER_3 << 20 | PMIF_CMD_PER_3 << 16 | |
| PMIF_CMD_PER_3 << 8 | PMIF_CMD_PER_3 << 4 | |
| PMIF_CMD_PER_1_3 << 0; |
| write32(&arb->mtk_pmif->inf_cmd_per_0, cmd_per); |
| |
| cmd_per = PMIF_CMD_PER_3 << 4; |
| write32(&arb->mtk_pmif->inf_cmd_per_1, cmd_per); |
| } |
| |
| void pmif_spmi_iocfg(void) |
| { |
| SET32_BITFIELDS(&mtk_iocfg_lt->eh_cfg_clr, SPMI_SCL, 0x7, SPMI_SDA, 0x7); |
| SET32_BITFIELDS(&mtk_iocfg_lt->ies_cfg1_clr, SPMI_SCL_IN, 0x1); |
| SET32_BITFIELDS(&mtk_iocfg_lt->ies_cfg1_set, SPMI_SDA_IN, 0x1); |
| SET32_BITFIELDS(&mtk_iocfg_lt->pu_cfg1_clr, SPMI_SCL_PU, 0x1, |
| SPMI_SDA_PD, 0x1); |
| SET32_BITFIELDS(&mtk_iocfg_lt->pd_cfg1_clr, SPMI_SCL_PU, 0x1, |
| SPMI_SDA_PD, 0x1); |
| SET32_BITFIELDS(&mtk_iocfg_lt->smt_cfg0_set, SPMI_SCL_SMT, 0x1, |
| SPMI_SDA_SMT, 0x1); |
| SET32_BITFIELDS(&mtk_iocfg_lt->tdsel_cfg3_clr, SPMI_TD, 0xF); |
| SET32_BITFIELDS(&mtk_iocfg_lt->rdsel_cfg3_clr, SPMI_RD, 0x3); |
| SET32_BITFIELDS(&mtk_iocfg_lt->drv_cfg3_clr, SPMI_DRI, 0x07); |
| SET32_BITFIELDS(&mtk_iocfg_lt->drv_cfg3_set, SPMI_DRI, 0x02); |
| } |