// SPDX-License-Identifier: GPL-2.0-only #include #include #include #include #include #include #include #include #include /* * Stream IDs on Chassis-2 (for example ls1043a, ls1046a, ls1012) devices * are not hardwired and are programmed by sw. There are a limited number * of stream IDs available, and the partitioning of them is scenario * dependent. This header defines the partitioning between legacy, PCI, * and DPAA1 devices. * * This partitioning can be customized in this file depending * on the specific hardware config: * * -non-PCI legacy, platform devices (USB, SDHC, SATA, DMA, QE etc) * -all legacy devices get a unique stream ID assigned and programmed in * their AMQR registers by u-boot * * -PCIe * -there is a range of stream IDs set aside for PCI in this * file. U-boot will scan the PCI bus and for each device discovered: * -allocate a streamID * -set a PEXn LUT table entry mapping 'requester ID' to 'stream ID' * -set a msi-map entry in the PEXn controller node in the * device tree (see Documentation/devicetree/bindings/pci/pci-msi.txt * for more info on the msi-map definition) * -set a iommu-map entry in the PEXn controller node in the * device tree (see Documentation/devicetree/bindings/pci/pci-iommu.txt * for more info on the iommu-map definition) * * -DPAA1 * - Stream ids for DPAA1 use are reserved for future usecase. * */ /* legacy devices */ #define FSL_USB1_STREAM_ID 1 #define FSL_USB2_STREAM_ID 2 #define FSL_USB3_STREAM_ID 3 #define FSL_SDHC_STREAM_ID 4 #define FSL_SATA_STREAM_ID 5 #define FSL_QE_STREAM_ID 6 #define FSL_QDMA_STREAM_ID 7 #define FSL_EDMA_STREAM_ID 8 #define FSL_ETR_STREAM_ID 9 #define FSL_DEBUG_STREAM_ID 10 /* PCI - programmed in PEXn_LUT */ #define FSL_PEX_STREAM_ID_START 11 #define FSL_PEX_STREAM_ID_END 26 /* DPAA1 - Stream-ID that can be programmed in DPAA1 h/w */ #define DPAA1_SID_START 27 #define DPAA1_SID_END 63 struct icid_id_table { const char *compat; u32 id; u32 reg; phys_addr_t compat_addr; phys_addr_t reg_addr; }; static void of_set_iommu_prop(struct device_node *np, phandle iommu_handle, int stream_id) { u32 prop[] = { iommu_handle, stream_id }; of_property_write_u32_array(np, "iommus", prop, ARRAY_SIZE(prop)); } static phandle of_get_iommu_handle(struct device_node *root) { struct device_node *iommu; iommu = of_find_compatible_node(root, NULL, "arm,mmu-500"); if (!iommu) { pr_info("No \"arm,mmu-500\" node found, won't fixup\n"); return 0; } return of_node_create_phandle(iommu); } static int of_fixup_icid(struct device_node *root, phandle iommu_handle, const struct icid_id_table *icid_table, int num_icid) { int i; for (i = 0; i < num_icid; i++) { const struct icid_id_table *icid = &icid_table[i]; struct device_node *np; if (!icid->compat) continue; for_each_compatible_node_from(np, root, NULL, icid->compat) { struct resource res; if (of_address_to_resource(np, 0, &res)) continue; if (res.start == icid->compat_addr) { of_set_iommu_prop(np, iommu_handle, icid->id); break; } } } return 0; } static void setup_icid_offsets(const struct icid_id_table *icid_table, int num_icids, bool le) { int i; for (i = 0; i < num_icids; i++) { const struct icid_id_table *icid = &icid_table[i]; if (le) out_le32((u32 *)(icid->reg_addr), icid->reg); else out_be32((u32 *)(icid->reg_addr), icid->reg); } } struct fman_icid_id_table { u32 port_id; u32 icid; }; #define QMAN_CQSIDR_REG 0x20a80 #define SEC_JRnICID_LS(n) ((0x10 + (n) * 0x8) + 0x4) #define SEC_RTICnICID_LS(n) ((0x60 + (n) * 0x8) + 0x4) #define SEC_DECOnICID_LS(n) ((0xa0 + (n) * 0x8) + 0x4) #define SEC_QIIC_LS 0x70024 #define SEC_IRBAR_JRn(n) (0x10000 * ((n) + 1)) static const struct icid_id_table icid_tbl_ls1046a[] = { { .compat = "fsl,qman", .id = DPAA1_SID_START, .reg = DPAA1_SID_START, .compat_addr = LSCH2_QMAN_ADDR, .reg_addr = offsetof(struct ccsr_qman_v3, liodnr) + LSCH2_QMAN_ADDR, }, { .compat = "fsl,bman", .id = DPAA1_SID_START + 1, .reg = DPAA1_SID_START + 1, .compat_addr = LSCH2_BMAN_ADDR, .reg_addr = offsetof(struct ccsr_bman, liodnr) + LSCH2_BMAN_ADDR, }, { .compat = "fsl,esdhc", .id = FSL_SDHC_STREAM_ID, .reg = (((FSL_SDHC_STREAM_ID) << 24) | (1 << 23)), .compat_addr = LSCH2_ESDHC_ADDR, .reg_addr = offsetof(struct ccsr_scfg, sdhc_icid) + LSCH2_SCFG_ADDR, }, { .compat = "snps,dwc3", .id = FSL_USB1_STREAM_ID, .reg = (((FSL_USB1_STREAM_ID) << 24) | (1 << 23)), .compat_addr = LSCH2_XHCI_USB1_ADDR, .reg_addr = offsetof(struct ccsr_scfg, usb1_icid) + LSCH2_SCFG_ADDR, }, { .compat = "snps,dwc3", .id = FSL_USB2_STREAM_ID, .reg = (((FSL_USB2_STREAM_ID) << 24) | (1 << 23)), .compat_addr = LSCH2_XHCI_USB2_ADDR, .reg_addr = offsetof(struct ccsr_scfg, usb2_icid) + LSCH2_SCFG_ADDR, }, { .compat = "snps,dwc3", .id = FSL_USB3_STREAM_ID, .reg = (((FSL_USB3_STREAM_ID) << 24) | (1 << 23)), .compat_addr = LSCH2_XHCI_USB3_ADDR, .reg_addr = offsetof(struct ccsr_scfg, usb3_icid) + LSCH2_SCFG_ADDR, }, { .compat = "fsl,ls1046a-ahci", .id = FSL_SATA_STREAM_ID, .reg = (((FSL_SATA_STREAM_ID) << 24) | (1 << 23)), .compat_addr = LSCH2_HCI_BASE_ADDR, .reg_addr = offsetof(struct ccsr_scfg, sata_icid) + LSCH2_SCFG_ADDR, }, { .compat = "fsl,ls1046a-qdma", .id = FSL_QDMA_STREAM_ID, .reg = (1 << 31) | (FSL_QDMA_STREAM_ID), .compat_addr = LSCH2_QDMA_BASE_ADDR, .reg_addr = LSCH2_QDMA_BASE_ADDR + QMAN_CQSIDR_REG, }, { .id = FSL_QDMA_STREAM_ID, .reg = (1 << 31) | (FSL_QDMA_STREAM_ID), .compat_addr = LSCH2_QDMA_BASE_ADDR, .reg_addr = LSCH2_QDMA_BASE_ADDR + QMAN_CQSIDR_REG + 4, }, { .compat = "fsl,vf610-edma", .id = FSL_EDMA_STREAM_ID, .reg = (((FSL_EDMA_STREAM_ID) << 24) | (1 << 23)), .compat_addr = LSCH2_EDMA_BASE_ADDR, .reg_addr = offsetof(struct ccsr_scfg, edma_icid) + LSCH2_SCFG_ADDR, }, { .id = FSL_ETR_STREAM_ID, .reg = (((FSL_ETR_STREAM_ID) << 24) | (1 << 23)), .reg_addr = offsetof(struct ccsr_scfg, etr_icid) + LSCH2_SCFG_ADDR, }, { .id = FSL_DEBUG_STREAM_ID, .reg = (((FSL_DEBUG_STREAM_ID) << 24) | (1 << 23)), .reg_addr = offsetof(struct ccsr_scfg, debug_icid) + LSCH2_SCFG_ADDR, }, { .compat = "fsl,sec-v4.0", .id = DPAA1_SID_END, .compat_addr = LSCH2_SEC_ADDR, .reg_addr = SEC_QIIC_LS + LSCH2_SEC_ADDR, }, { .compat = "fsl,sec-v4.0-job-ring", .id = DPAA1_SID_START + 3, .reg = (((DPAA1_SID_START + 3) << 16) | (DPAA1_SID_START + 3)), .compat_addr = LSCH2_SEC_ADDR + SEC_IRBAR_JRn(0), .reg_addr = SEC_JRnICID_LS(0) + LSCH2_SEC_ADDR, }, { .compat = "fsl,sec-v4.0-job-ring", .id = DPAA1_SID_START + 4, .reg = (((DPAA1_SID_START + 4) << 16) | (DPAA1_SID_START + 4)), .compat_addr = LSCH2_SEC_ADDR + SEC_IRBAR_JRn(1), .reg_addr = SEC_JRnICID_LS(1) + LSCH2_SEC_ADDR, }, { .compat = "fsl,sec-v4.0-job-ring", .id = DPAA1_SID_START + 5, .reg = (((DPAA1_SID_START + 5) << 16) | (DPAA1_SID_START + 5)), .compat_addr = LSCH2_SEC_ADDR + SEC_IRBAR_JRn(2), .reg_addr = SEC_JRnICID_LS(2) + LSCH2_SEC_ADDR, }, { .compat = "fsl,sec-v4.0-job-ring", .id = DPAA1_SID_START + 6, .reg = (((DPAA1_SID_START + 6) << 16) | (DPAA1_SID_START + 6)), .compat_addr = LSCH2_SEC_ADDR + SEC_IRBAR_JRn(3), .reg_addr = SEC_JRnICID_LS(3) + LSCH2_SEC_ADDR, }, { .id = DPAA1_SID_START + 7, .reg = (((DPAA1_SID_START + 7) << 16) | (DPAA1_SID_START + 7)), .reg_addr = SEC_RTICnICID_LS(0) + LSCH2_SEC_ADDR, }, { .id = DPAA1_SID_START + 8, .reg = (((DPAA1_SID_START + 8) << 16) | (DPAA1_SID_START + 8)), .reg_addr = SEC_RTICnICID_LS(1) + LSCH2_SEC_ADDR, },{ .id = DPAA1_SID_START + 9, .reg = (((DPAA1_SID_START + 9) << 16) | (DPAA1_SID_START + 9)), .reg_addr = SEC_RTICnICID_LS(2) + LSCH2_SEC_ADDR, }, { .id = DPAA1_SID_START + 10, .reg = (((DPAA1_SID_START + 10) << 16) | (DPAA1_SID_START + 10)), .reg_addr = SEC_RTICnICID_LS(3) + LSCH2_SEC_ADDR, }, { .id = DPAA1_SID_START + 11, .reg = (((DPAA1_SID_START + 11) << 16) | (DPAA1_SID_START + 11)), .reg_addr = SEC_DECOnICID_LS(0) + LSCH2_SEC_ADDR, }, { .id = DPAA1_SID_START + 12, .reg = (((DPAA1_SID_START + 12) << 16) | (DPAA1_SID_START + 12)), .reg_addr = SEC_DECOnICID_LS(1) + LSCH2_SEC_ADDR, }, { .id = DPAA1_SID_START + 13, .reg = (((DPAA1_SID_START + 13) << 16) | (DPAA1_SID_START + 13)), .reg_addr = SEC_DECOnICID_LS(2) + LSCH2_SEC_ADDR, }, }; static const struct fman_icid_id_table fman_icid_tbl_ls1046a[] = { { .port_id = 0x02, .icid = DPAA1_SID_END, }, { .port_id = 0x03, .icid = DPAA1_SID_END, }, { .port_id = 0x04, .icid = DPAA1_SID_END, }, { .port_id = 0x05, .icid = DPAA1_SID_END, }, { .port_id = 0x06, .icid = DPAA1_SID_END, }, { .port_id = 0x07, .icid = DPAA1_SID_END, }, { .port_id = 0x08, .icid = DPAA1_SID_END, }, { .port_id = 0x09, .icid = DPAA1_SID_END, }, { .port_id = 0x0a, .icid = DPAA1_SID_END, }, { .port_id = 0x0b, .icid = DPAA1_SID_END, }, { .port_id = 0x0c, .icid = DPAA1_SID_END, }, { .port_id = 0x0d, .icid = DPAA1_SID_END, }, { .port_id = 0x28, .icid = DPAA1_SID_END, }, { .port_id = 0x29, .icid = DPAA1_SID_END, }, { .port_id = 0x2a, .icid = DPAA1_SID_END, }, { .port_id = 0x2b, .icid = DPAA1_SID_END, }, { .port_id = 0x2c, .icid = DPAA1_SID_END, }, { .port_id = 0x2d, .icid = DPAA1_SID_END, }, { .port_id = 0x10, .icid = DPAA1_SID_END, }, { .port_id = 0x11, .icid = DPAA1_SID_END, }, { .port_id = 0x30, .icid = DPAA1_SID_END, }, { .port_id = 0x31, .icid = DPAA1_SID_END, }, }; static int get_fman_port_icid(int port_id, const struct fman_icid_id_table *tbl, const int size) { int i; for (i = 0; i < size; i++) { if (tbl[i].port_id == port_id) return tbl[i].icid; } return -ENODEV; } static void of_fixup_fman_port_icid_by_compat(struct device_node *root, phandle iommu_handle, const char *compat) { struct device_node *np; int ret, icid; u32 cell_index; for_each_compatible_node_from(np, root, NULL, compat) { ret = of_property_read_u32(np, "cell-index", &cell_index); if (ret) continue; icid = get_fman_port_icid(cell_index, fman_icid_tbl_ls1046a, ARRAY_SIZE(fman_icid_tbl_ls1046a)); if (icid < 0) { printf("WARNING unknown ICID for fman port %u\n", cell_index); continue; } of_set_iommu_prop(np, iommu_handle, icid); } } static void of_fixup_fman_icids(struct device_node *root, phandle iommu_handle) { static const char * const compats[] = { "fsl,fman-v3-port-oh", "fsl,fman-v3-port-rx", "fsl,fman-v3-port-tx", }; int i; for (i = 0; i < ARRAY_SIZE(compats); i++) of_fixup_fman_port_icid_by_compat(root, iommu_handle, compats[i]); } struct qportal_info { u16 dicid; /* DQRR ICID */ u16 ficid; /* frame data ICID */ u16 icid; u8 sdest; }; static const struct qportal_info qp_info[] = { { .dicid = DPAA1_SID_END, .ficid = DPAA1_SID_END, .icid = DPAA1_SID_END, .sdest = 0, }, { .dicid = DPAA1_SID_END, .ficid = DPAA1_SID_END, .icid = DPAA1_SID_END, .sdest = 0, }, { .dicid = DPAA1_SID_END, .ficid = DPAA1_SID_END, .icid = DPAA1_SID_END, .sdest = 0, }, { .dicid = DPAA1_SID_END, .ficid = DPAA1_SID_END, .icid = DPAA1_SID_END, .sdest = 0, }, { .dicid = DPAA1_SID_END, .ficid = DPAA1_SID_END, .icid = DPAA1_SID_END, .sdest = 0, }, { .dicid = DPAA1_SID_END, .ficid = DPAA1_SID_END, .icid = DPAA1_SID_END, .sdest = 0, }, { .dicid = DPAA1_SID_END, .ficid = DPAA1_SID_END, .icid = DPAA1_SID_END, .sdest = 0, }, { .dicid = DPAA1_SID_END, .ficid = DPAA1_SID_END, .icid = DPAA1_SID_END, .sdest = 0, }, { .dicid = DPAA1_SID_END, .ficid = DPAA1_SID_END, .icid = DPAA1_SID_END, .sdest = 0, }, { .dicid = DPAA1_SID_END, .ficid = DPAA1_SID_END, .icid = DPAA1_SID_END, .sdest = 0, }, }; #define BMAN_NUM_PORTALS 10 #define BMAN_MEM_BASE 0x508000000 #define BMAN_MEM_SIZE 0x08000000 #define BMAN_SP_CINH_SIZE 0x10000 #define BMAN_CENA_SIZE (BMAN_MEM_SIZE >> 1) #define BMAN_CINH_BASE (BMAN_MEM_BASE + BMAN_CENA_SIZE) #define BMAN_SWP_ISDR_REG 0x3e80 #define QMAN_MEM_BASE 0x500000000 #define QMAN_MEM_PHYS QMAN_MEM_BASE #define QMAN_MEM_SIZE 0x08000000 #define QMAN_SP_CINH_SIZE 0x10000 #define QMAN_CENA_SIZE (QMAN_MEM_SIZE >> 1) #define QMAN_CINH_BASE (QMAN_MEM_BASE + QMAN_CENA_SIZE) #define QMAN_SWP_ISDR_REG 0x3680 static void inhibit_portals(void __iomem *addr, int max_portals, int portal_cinh_size) { int i; for (i = 0; i < max_portals; i++) { out_be32(addr, -1); addr += portal_cinh_size; } } static void setup_qbman_portals(void) { void __iomem *bpaddr = (void *)BMAN_CINH_BASE + BMAN_SWP_ISDR_REG; void __iomem *qpaddr = (void *)QMAN_CINH_BASE + QMAN_SWP_ISDR_REG; struct ccsr_qman_v3 *qman = IOMEM(LSCH2_QMAN_ADDR); int i; /* Set the Qman initiator BAR to match the LAW (for DQRR stashing) */ out_be32(&qman->qcsp_bare, (u32)(QMAN_MEM_PHYS >> 32)); out_be32(&qman->qcsp_bar, (u32)QMAN_MEM_PHYS); for (i = 0; i < ARRAY_SIZE(qp_info); i++) { const struct qportal_info *qi = &qp_info[i]; out_be32(&qman->qcsp[i].qcsp_lio_cfg, (qi->icid << 16) | qi->dicid); /* set frame icid */ out_be32(&qman->qcsp[i].qcsp_io_cfg, (qi->sdest << 16) | qi->ficid); } /* Change default state of BMan ISDR portals to all 1s */ inhibit_portals(bpaddr, BMAN_NUM_PORTALS, BMAN_SP_CINH_SIZE); inhibit_portals(qpaddr, ARRAY_SIZE(qp_info), QMAN_SP_CINH_SIZE); } static void of_set_qportal_iommu_prop(struct device_node *np, phandle iommu_handle, const struct qportal_info *qp_info) { u32 prop[] = { iommu_handle, qp_info->icid, iommu_handle, qp_info->dicid, iommu_handle, qp_info->ficid }; of_property_write_u32_array(np, "iommus", prop, ARRAY_SIZE(prop)); } static void of_fixup_qportals(struct device_node *root, phandle iommu_handle) { struct device_node *np; unsigned int maj, min; unsigned int ip_cfg; struct ccsr_qman_v3 *qman = IOMEM(LSCH2_QMAN_ADDR); u32 rev_1 = in_be32(&qman->ip_rev_1); u32 rev_2 = in_be32(&qman->ip_rev_2); u32 cell_index; int ret; maj = (rev_1 >> 8) & 0xff; min = rev_1 & 0xff; ip_cfg = rev_2 & 0xff; for_each_compatible_node_from(np, root, NULL, "fsl,qman-portal") { ret = of_property_read_u32(np, "cell-index", &cell_index); if (ret) continue; of_set_qportal_iommu_prop(np, iommu_handle, &qp_info[cell_index]); } } static int of_fixup_ls1046a(struct device_node *root, void *context) { phandle iommu_handle; iommu_handle = of_get_iommu_handle(root); if (!iommu_handle) return 0; of_fixup_icid(root, iommu_handle, icid_tbl_ls1046a, ARRAY_SIZE(icid_tbl_ls1046a)); of_fixup_fman_icids(root, iommu_handle); of_fixup_qportals(root, iommu_handle); return 0; } void ls1046a_setup_icids(void) { struct ccsr_fman *fm = (void *)LSCH2_FM1_ADDR; int i; setup_icid_offsets(icid_tbl_ls1046a, ARRAY_SIZE(icid_tbl_ls1046a), false); /* setup fman icids */ for (i = 0; i < ARRAY_SIZE(fman_icid_tbl_ls1046a); i++) { const struct fman_icid_id_table *icid = &fman_icid_tbl_ls1046a[i]; out_be32(&fm->fm_bmi_common.fmbm_ppid[icid->port_id - 1], icid->icid); } setup_qbman_portals(); of_register_fixup(of_fixup_ls1046a, NULL); } static const struct icid_id_table icid_tbl_ls1028a[] = { { .compat = "snps,dwc3", .id = 1, .reg = 1, .compat_addr = LSCH3_XHCI_USB1_ADDR, .reg_addr = offsetof(struct lsch3_ccsr_gur, usb1_amqr) + LSCH3_GUTS_ADDR, }, { .compat = "snps,dwc3", .id = 2, .reg = 2, .compat_addr = LSCH3_XHCI_USB2_ADDR, .reg_addr = offsetof(struct lsch3_ccsr_gur, usb2_amqr) + LSCH3_GUTS_ADDR, }, { .compat = "fsl,esdhc", .id = 3, .reg = 3, .compat_addr = LSCH3_ESDHC1_BASE_ADDR, .reg_addr = offsetof(struct lsch3_ccsr_gur, sdmm1_amqr) + LSCH3_GUTS_ADDR, }, { .compat = "fsl,esdhc", .id = 69, .reg = 69, .compat_addr = LSCH3_ESDHC2_BASE_ADDR, .reg_addr = offsetof(struct lsch3_ccsr_gur, sdmm2_amqr) + LSCH3_GUTS_ADDR, }, { .compat = "fsl,ls1028a-ahci", .id = 4, .reg = 4, .compat_addr = LSCH3_AHCI1_ADDR, .reg_addr = offsetof(struct lsch3_ccsr_gur, sata1_amqr) + LSCH3_GUTS_ADDR, }, { .compat = "fsl,vf610-edma", .id = 40, .reg = 40, .compat_addr = LSCH3_EDMA_ADDR, .reg_addr = offsetof(struct lsch3_ccsr_gur, spare3_amqr) + LSCH3_GUTS_ADDR, }, { .compat = "fsl,ls1028a-qdma", .id = 5, .reg = (1 << 31) | 5, .compat_addr = LSCH3_QDMA_ADDR, .reg_addr = LSCH3_QDMA_ADDR + QMAN_CQSIDR_REG, }, { .compat = NULL, .id = 5, .reg = (1 << 31) | 5, .compat_addr = LSCH3_QDMA_ADDR, .reg_addr = LSCH3_QDMA_ADDR + QMAN_CQSIDR_REG + 4, }, { .compat = "vivante,gc", .id = 71, .reg = 71, .compat_addr = LSCH3_GPU_ADDR, .reg_addr = offsetof(struct lsch3_ccsr_gur, misc1_amqr) + LSCH3_GUTS_ADDR, }, { .compat = "arm,mali-dp500", .id = 72, .reg = 72, .compat_addr = LSCH3_DISPLAY_ADDR, .reg_addr = offsetof(struct lsch3_ccsr_gur, spare2_amqr) + LSCH3_GUTS_ADDR, }, { .compat = "fsl,sec-v4.0-job-ring", .id = 65, .reg = 65, .compat_addr = LSCH3_SEC_JR0_ADDR, .reg_addr = offsetof(struct ccsr_sec, jrliodnr[0].ls) + LSCH3_SEC_ADDR, }, { .compat = "fsl,sec-v4.0-job-ring", .id = 66, .reg = 66, .compat_addr = LSCH3_SEC_JR1_ADDR, .reg_addr = offsetof(struct ccsr_sec, jrliodnr[1].ls) + LSCH3_SEC_ADDR, }, { .id = 67, .reg = 67, .compat_addr = LSCH3_SEC_JR2_ADDR, .reg_addr = offsetof(struct ccsr_sec, jrliodnr[2].ls) + LSCH3_SEC_ADDR, }, { .compat = "fsl,sec-v4.0-job-ring", .id = 68, .reg = 68, .compat_addr = LSCH3_SEC_JR3_ADDR, .reg_addr = offsetof(struct ccsr_sec, jrliodnr[3].ls) + LSCH3_SEC_ADDR, }, { .id = 64, .reg = 64, .compat_addr = 0, .reg_addr = offsetof(struct ccsr_sec, rticliodnr[0].ls) + LSCH3_SEC_ADDR, }, { .id = 64, .reg = 64, .compat_addr = 0, .reg_addr = offsetof(struct ccsr_sec, rticliodnr[1].ls) + LSCH3_SEC_ADDR, }, { .id = 64, .reg = 64, .compat_addr = 0, .reg_addr = offsetof(struct ccsr_sec, rticliodnr[2].ls) + LSCH3_SEC_ADDR, }, { .id = 64, .reg = 64, .compat_addr = 0, .reg_addr = offsetof(struct ccsr_sec, rticliodnr[3].ls) + LSCH3_SEC_ADDR, }, { .id = 64, .reg = 64, .compat_addr = 0, .reg_addr = offsetof(struct ccsr_sec, decoliodnr[0].ls) + LSCH3_SEC_ADDR, }, { .id = 64, .reg = 64, .compat_addr = 0, .reg_addr = offsetof(struct ccsr_sec, decoliodnr[1].ls) + LSCH3_SEC_ADDR, } }; static int of_fixup_icid_ls1028a(struct device_node *root, void *context) { phandle iommu_handle; iommu_handle = of_get_iommu_handle(root); if (!iommu_handle) return 0; of_fixup_icid(root, iommu_handle, icid_tbl_ls1028a, ARRAY_SIZE(icid_tbl_ls1028a)); return 0; } /* offset of IERB config register per PCI function */ static const int ierb_offset[] = { 0x0800, 0x1800, 0x2800, 0x3800, 0x4800, 0x5800, 0x6800, -1, 0x0804, 0x0808, 0x1804, 0x1808, }; #define ECAM_IERB_BASE 0x1f0800000ULL #define ECAM_IERB_MSICAR (ECAM_IERB_BASE + 0xa400) #define ECAM_IERB_MSICAR_VALUE 0x30 #define FSL_ECAM_STREAM_ID_START 41 /* * Use a custom function for LS1028A, for now this is the only SoC with IERB * and we're currently considering reorganizing IERB for future SoCs. */ static void ls1028a_set_ecam_icids(void) { int i; out_le32(ECAM_IERB_MSICAR, ECAM_IERB_MSICAR_VALUE); for (i = 0; i < ARRAY_SIZE(ierb_offset); i++) { if (ierb_offset[i] < 0) continue; out_le32(ECAM_IERB_BASE + ierb_offset[i], FSL_ECAM_STREAM_ID_START + i); } } static int of_fixup_ecam_ls1028a(struct device_node *root, void *context) { struct device_node *np; int i, ret; const char *props[] = { "msi-map", "iommu-map" }; uint32_t map[4]; np = of_find_compatible_node(root, NULL, "pci-host-ecam-generic"); if (!np) { pr_info("No \"pci-host-ecam-generic\" node found, won't fixup\n"); return 0; } for (i = 0; i < ARRAY_SIZE(props); i++) { ret = of_property_read_u32_array(np, props[i], map, 4); if (ret) { pr_err("Cannot read \"%s\" property: %pe", props[i], ERR_PTR(ret)); return ret; } map[2] = FSL_ECAM_STREAM_ID_START; map[3] = ARRAY_SIZE(ierb_offset); ret = of_property_write_u32_array(np, props[i], map, 4); if (ret) { pr_err("Cannot write \"%s\" property: %pe", props[i], ERR_PTR(ret)); return ret; } } return 0; } void ls1028a_setup_icids(void) { setup_icid_offsets(icid_tbl_ls1028a, ARRAY_SIZE(icid_tbl_ls1028a), true); ls1028a_set_ecam_icids(); of_register_fixup(of_fixup_icid_ls1028a, NULL); of_register_fixup(of_fixup_ecam_ls1028a, NULL); }