Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- arch/arm/mach-layerscape/icid.c | 213 +++++++++++++++++++++++++++ arch/arm/mach-layerscape/soc.c | 1 + include/mach/layerscape/layerscape.h | 1 + 3 files changed, 215 insertions(+) diff --git a/arch/arm/mach-layerscape/icid.c b/arch/arm/mach-layerscape/icid.c index f916ec7baf..93fec286c6 100644 --- a/arch/arm/mach-layerscape/icid.c +++ b/arch/arm/mach-layerscape/icid.c @@ -5,6 +5,7 @@ #include <init.h> #include <of_address.h> #include <soc/fsl/immap_lsch2.h> +#include <soc/fsl/immap_lsch3.h> #include <soc/fsl/fsl_qbman.h> #include <soc/fsl/fsl_fman.h> #include <mach/layerscape/layerscape.h> @@ -580,3 +581,215 @@ void ls1046a_setup_icids(void) 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 = 3, + .reg = 3, + .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); +} diff --git a/arch/arm/mach-layerscape/soc.c b/arch/arm/mach-layerscape/soc.c index 5f9d0d5171..70c1dedb46 100644 --- a/arch/arm/mach-layerscape/soc.c +++ b/arch/arm/mach-layerscape/soc.c @@ -90,6 +90,7 @@ static int ls1028a_init(void) return -EINVAL; layerscape_register_pbl_image_handler(); + ls1028a_setup_icids(); reserve_sdram_region("tfa", LS1028A_TFA_RESERVED_START, LS1028A_TFA_RESERVED_SIZE); diff --git a/include/mach/layerscape/layerscape.h b/include/mach/layerscape/layerscape.h index 6f420dd4f4..2905360c29 100644 --- a/include/mach/layerscape/layerscape.h +++ b/include/mach/layerscape/layerscape.h @@ -58,6 +58,7 @@ void ls1046a_bootsource_init(void); void layerscape_register_pbl_image_handler(void); void ls102xa_smmu_stream_id_init(void); void ls1021a_restart_register_feature(void); +void ls1028a_setup_icids(void); void ls1046a_setup_icids(void); #endif /* __MACH_LAYERSCAPE_H */ -- 2.39.2