[PATCH 08/10] ARM: Layerscape: LS1028a: fixup icids
Sascha Hauer
s.hauer at pengutronix.de
Tue Jan 9 01:16:01 PST 2024
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
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
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