armv8: ls1046a: initial icid setup support

Add infrastructure for ICID setup and device tree fixup on ARM
platforms. This include basic ICID setup for several devices.

Reviewed-by: Bharat Bhushan <bharat.bhushan@nxp.com>
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

1 files changed, 80 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-fsl-layerscape/fsl_icid.h b/arch/arm/include/asm/arch-fsl-layerscape/fsl_icid.h
new file mode 100644
index 0000000000..57909392ea
--- /dev/null
+++ b/arch/arm/include/asm/arch-fsl-layerscape/fsl_icid.h
@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2018 NXP
+ */
+
+#ifndef _FSL_ICID_H_
+#define _FSL_ICID_H_
+
+#include <asm/types.h>
+#include <fsl_qbman.h>
+
+struct icid_id_table {
+	const char *compat;
+	u32 id;
+	u32 reg;
+	phys_addr_t compat_addr;
+	phys_addr_t reg_addr;
+};
+
+u32 get_ppid_icid(int ppid_tbl_idx, int ppid);
+int fdt_get_smmu_phandle(void *blob);
+int fdt_set_iommu_prop(void *blob, int off, int smmu_ph, u32 *ids, int num_ids);
+void set_icids(void);
+void fdt_fixup_icid(void *blob);
+
+#define SET_ICID_ENTRY(name, idA, regA, addr, compataddr) \
+	{ .compat = name, \
+	  .id = idA, \
+	  .reg = regA, \
+	  .compat_addr = compataddr, \
+	  .reg_addr = addr, \
+	}
+
+#define SET_SCFG_ICID(compat, streamid, name, compataddr) \
+	SET_ICID_ENTRY(compat, streamid, (((streamid) << 24) | (1 << 23)), \
+		offsetof(struct ccsr_scfg, name) + CONFIG_SYS_FSL_SCFG_ADDR, \
+		compataddr)
+
+#define SET_USB_ICID(usb_num, compat, streamid) \
+	SET_SCFG_ICID(compat, streamid, usb##usb_num##_icid,\
+		CONFIG_SYS_XHCI_USB##usb_num##_ADDR)
+
+#define SET_SATA_ICID(compat, streamid) \
+	SET_SCFG_ICID(compat, streamid, sata_icid,\
+		AHCI_BASE_ADDR)
+
+#define SET_SDHC_ICID(streamid) \
+	SET_SCFG_ICID("fsl,esdhc", streamid, sdhc_icid,\
+		CONFIG_SYS_FSL_ESDHC_ADDR)
+
+#define SET_QDMA_ICID(compat, streamid) \
+	SET_SCFG_ICID(compat, streamid, dma_icid,\
+		QDMA_BASE_ADDR)
+
+#define SET_EDMA_ICID(streamid) \
+	SET_SCFG_ICID("fsl,vf610-edma", streamid, edma_icid,\
+		EDMA_BASE_ADDR)
+
+#define SET_ETR_ICID(streamid) \
+	SET_SCFG_ICID(NULL, streamid, etr_icid, 0)
+
+#define SET_DEBUG_ICID(streamid) \
+	SET_SCFG_ICID(NULL, streamid, debug_icid, 0)
+
+#define SET_QMAN_ICID(streamid) \
+	SET_ICID_ENTRY("fsl,qman", streamid, streamid, \
+		offsetof(struct ccsr_qman, liodnr) + \
+		CONFIG_SYS_FSL_QMAN_ADDR, \
+		CONFIG_SYS_FSL_QMAN_ADDR)
+
+#define SET_BMAN_ICID(streamid) \
+	SET_ICID_ENTRY("fsl,bman", streamid, streamid, \
+		offsetof(struct ccsr_bman, liodnr) + \
+		CONFIG_SYS_FSL_BMAN_ADDR, \
+		CONFIG_SYS_FSL_BMAN_ADDR)
+
+extern struct icid_id_table icid_tbl[];
+extern int icid_tbl_sz;
+
+#endif