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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 | // SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2020 Sartura Ltd. * * Author: Robert Marko <robert.marko@sartura.hr> * * Based on Linux driver */ #include <asm/io.h> #include <common.h> #include <dm.h> #include <dt-bindings/reset/qcom,ipq4019-reset.h> #include <reset-uclass.h> #include <linux/bitops.h> #include <malloc.h> struct ipq4019_reset_priv { phys_addr_t base; }; struct qcom_reset_map { unsigned int reg; u8 bit; }; static const struct qcom_reset_map gcc_ipq4019_resets[] = { [WIFI0_CPU_INIT_RESET] = { 0x1f008, 5 }, [WIFI0_RADIO_SRIF_RESET] = { 0x1f008, 4 }, [WIFI0_RADIO_WARM_RESET] = { 0x1f008, 3 }, [WIFI0_RADIO_COLD_RESET] = { 0x1f008, 2 }, [WIFI0_CORE_WARM_RESET] = { 0x1f008, 1 }, [WIFI0_CORE_COLD_RESET] = { 0x1f008, 0 }, [WIFI1_CPU_INIT_RESET] = { 0x20008, 5 }, [WIFI1_RADIO_SRIF_RESET] = { 0x20008, 4 }, [WIFI1_RADIO_WARM_RESET] = { 0x20008, 3 }, [WIFI1_RADIO_COLD_RESET] = { 0x20008, 2 }, [WIFI1_CORE_WARM_RESET] = { 0x20008, 1 }, [WIFI1_CORE_COLD_RESET] = { 0x20008, 0 }, [USB3_UNIPHY_PHY_ARES] = { 0x1e038, 5 }, [USB3_HSPHY_POR_ARES] = { 0x1e038, 4 }, [USB3_HSPHY_S_ARES] = { 0x1e038, 2 }, [USB2_HSPHY_POR_ARES] = { 0x1e01c, 4 }, [USB2_HSPHY_S_ARES] = { 0x1e01c, 2 }, [PCIE_PHY_AHB_ARES] = { 0x1d010, 11 }, [PCIE_AHB_ARES] = { 0x1d010, 10 }, [PCIE_PWR_ARES] = { 0x1d010, 9 }, [PCIE_PIPE_STICKY_ARES] = { 0x1d010, 8 }, [PCIE_AXI_M_STICKY_ARES] = { 0x1d010, 7 }, [PCIE_PHY_ARES] = { 0x1d010, 6 }, [PCIE_PARF_XPU_ARES] = { 0x1d010, 5 }, [PCIE_AXI_S_XPU_ARES] = { 0x1d010, 4 }, [PCIE_AXI_M_VMIDMT_ARES] = { 0x1d010, 3 }, [PCIE_PIPE_ARES] = { 0x1d010, 2 }, [PCIE_AXI_S_ARES] = { 0x1d010, 1 }, [PCIE_AXI_M_ARES] = { 0x1d010, 0 }, [ESS_RESET] = { 0x12008, 0}, [GCC_BLSP1_BCR] = {0x01000, 0}, [GCC_BLSP1_QUP1_BCR] = {0x02000, 0}, [GCC_BLSP1_UART1_BCR] = {0x02038, 0}, [GCC_BLSP1_QUP2_BCR] = {0x03008, 0}, [GCC_BLSP1_UART2_BCR] = {0x03028, 0}, [GCC_BIMC_BCR] = {0x04000, 0}, [GCC_TLMM_BCR] = {0x05000, 0}, [GCC_IMEM_BCR] = {0x0E000, 0}, [GCC_ESS_BCR] = {0x12008, 0}, [GCC_PRNG_BCR] = {0x13000, 0}, [GCC_BOOT_ROM_BCR] = {0x13008, 0}, [GCC_CRYPTO_BCR] = {0x16000, 0}, [GCC_SDCC1_BCR] = {0x18000, 0}, [GCC_SEC_CTRL_BCR] = {0x1A000, 0}, [GCC_AUDIO_BCR] = {0x1B008, 0}, [GCC_QPIC_BCR] = {0x1C000, 0}, [GCC_PCIE_BCR] = {0x1D000, 0}, [GCC_USB2_BCR] = {0x1E008, 0}, [GCC_USB2_PHY_BCR] = {0x1E018, 0}, [GCC_USB3_BCR] = {0x1E024, 0}, [GCC_USB3_PHY_BCR] = {0x1E034, 0}, [GCC_SYSTEM_NOC_BCR] = {0x21000, 0}, [GCC_PCNOC_BCR] = {0x2102C, 0}, [GCC_DCD_BCR] = {0x21038, 0}, [GCC_SNOC_BUS_TIMEOUT0_BCR] = {0x21064, 0}, [GCC_SNOC_BUS_TIMEOUT1_BCR] = {0x2106C, 0}, [GCC_SNOC_BUS_TIMEOUT2_BCR] = {0x21074, 0}, [GCC_SNOC_BUS_TIMEOUT3_BCR] = {0x2107C, 0}, [GCC_PCNOC_BUS_TIMEOUT0_BCR] = {0x21084, 0}, [GCC_PCNOC_BUS_TIMEOUT1_BCR] = {0x2108C, 0}, [GCC_PCNOC_BUS_TIMEOUT2_BCR] = {0x21094, 0}, [GCC_PCNOC_BUS_TIMEOUT3_BCR] = {0x2109C, 0}, [GCC_PCNOC_BUS_TIMEOUT4_BCR] = {0x210A4, 0}, [GCC_PCNOC_BUS_TIMEOUT5_BCR] = {0x210AC, 0}, [GCC_PCNOC_BUS_TIMEOUT6_BCR] = {0x210B4, 0}, [GCC_PCNOC_BUS_TIMEOUT7_BCR] = {0x210BC, 0}, [GCC_PCNOC_BUS_TIMEOUT8_BCR] = {0x210C4, 0}, [GCC_PCNOC_BUS_TIMEOUT9_BCR] = {0x210CC, 0}, [GCC_TCSR_BCR] = {0x22000, 0}, [GCC_MPM_BCR] = {0x24000, 0}, [GCC_SPDM_BCR] = {0x25000, 0}, }; static int ipq4019_reset_assert(struct reset_ctl *rst) { struct ipq4019_reset_priv *priv = dev_get_priv(rst->dev); const struct qcom_reset_map *reset_map = gcc_ipq4019_resets; const struct qcom_reset_map *map; u32 value; map = &reset_map[rst->id]; value = readl(priv->base + map->reg); value |= BIT(map->bit); writel(value, priv->base + map->reg); return 0; } static int ipq4019_reset_deassert(struct reset_ctl *rst) { struct ipq4019_reset_priv *priv = dev_get_priv(rst->dev); const struct qcom_reset_map *reset_map = gcc_ipq4019_resets; const struct qcom_reset_map *map; u32 value; map = &reset_map[rst->id]; value = readl(priv->base + map->reg); value &= ~BIT(map->bit); writel(value, priv->base + map->reg); return 0; } static int ipq4019_reset_free(struct reset_ctl *rst) { return 0; } static int ipq4019_reset_request(struct reset_ctl *rst) { return 0; } static const struct reset_ops ipq4019_reset_ops = { .request = ipq4019_reset_request, .rfree = ipq4019_reset_free, .rst_assert = ipq4019_reset_assert, .rst_deassert = ipq4019_reset_deassert, }; static const struct udevice_id ipq4019_reset_ids[] = { { .compatible = "qcom,gcc-reset-ipq4019" }, { } }; static int ipq4019_reset_probe(struct udevice *dev) { struct ipq4019_reset_priv *priv = dev_get_priv(dev); priv->base = dev_read_addr(dev); if (priv->base == FDT_ADDR_T_NONE) return -EINVAL; return 0; } U_BOOT_DRIVER(ipq4019_reset) = { .name = "ipq4019_reset", .id = UCLASS_RESET, .of_match = ipq4019_reset_ids, .ops = &ipq4019_reset_ops, .probe = ipq4019_reset_probe, .priv_auto = sizeof(struct ipq4019_reset_priv), }; |