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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2019 NXP
*/
#include <common.h>
#include <fdt_support.h>
#include <log.h>
#include <asm/arch-fsl-layerscape/immap_lsch3.h>
#include <asm/arch-fsl-layerscape/fsl_icid.h>
#include <asm/arch-fsl-layerscape/fsl_portals.h>
struct icid_id_table icid_tbl[] = {
SET_USB_ICID(1, "snps,dwc3", FSL_USB1_STREAM_ID),
SET_USB_ICID(2, "snps,dwc3", FSL_USB2_STREAM_ID),
SET_SDHC_ICID(1, FSL_SDMMC_STREAM_ID),
SET_SDHC_ICID(2, FSL_SDMMC2_STREAM_ID),
SET_SATA_ICID(1, "fsl,ls1028a-ahci", FSL_SATA1_STREAM_ID),
SET_EDMA_ICID(FSL_EDMA_STREAM_ID),
SET_QDMA_ICID("fsl,ls1028a-qdma", FSL_DMA_STREAM_ID),
SET_GPU_ICID("fsl,ls1028a-gpu", FSL_GPU_STREAM_ID),
SET_DISPLAY_ICID(FSL_DISPLAY_STREAM_ID),
#ifdef CONFIG_FSL_CAAM
SET_SEC_JR_ICID_ENTRY(0, FSL_SEC_JR1_STREAM_ID),
SET_SEC_JR_ICID_ENTRY(1, FSL_SEC_JR2_STREAM_ID),
SET_SEC_JR_ICID_ENTRY(2, FSL_SEC_JR3_STREAM_ID),
SET_SEC_JR_ICID_ENTRY(3, FSL_SEC_JR4_STREAM_ID),
SET_SEC_RTIC_ICID_ENTRY(0, FSL_SEC_STREAM_ID),
SET_SEC_RTIC_ICID_ENTRY(1, FSL_SEC_STREAM_ID),
SET_SEC_RTIC_ICID_ENTRY(2, FSL_SEC_STREAM_ID),
SET_SEC_RTIC_ICID_ENTRY(3, FSL_SEC_STREAM_ID),
SET_SEC_DECO_ICID_ENTRY(0, FSL_SEC_STREAM_ID),
SET_SEC_DECO_ICID_ENTRY(1, FSL_SEC_STREAM_ID),
#endif
};
int icid_tbl_sz = ARRAY_SIZE(icid_tbl);
/* integrated PCI is handled separately as it's not part of CCSR/SCFG */
#ifdef CONFIG_PCIE_ECAM_GENERIC
#define ECAM_IERB_BASE 0x1f0800000ULL
#define ECAM_IERB_OFFSET_NA -1
#define ECAM_IERB_FUNC_CNT ARRAY_SIZE(ierb_offset)
/* cache related transaction attributes for PCIe functions */
#define ECAM_IERB_MSICAR (ECAM_IERB_BASE + 0xa400)
#define ECAM_IERB_MSICAR_VALUE 0x30
/* offset of IERB config register per PCI function */
static int ierb_offset[] = {
0x0800,
0x1800,
0x2800,
0x3800,
0x4800,
0x5800,
0x6800,
ECAM_IERB_OFFSET_NA,
0x0804,
0x0808,
0x1804,
0x1808,
};
/*
* 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.
*/
void set_ecam_icids(void)
{
int i;
out_le32(ECAM_IERB_MSICAR, ECAM_IERB_MSICAR_VALUE);
for (i = 0; i < ECAM_IERB_FUNC_CNT; i++) {
if (ierb_offset[i] == ECAM_IERB_OFFSET_NA)
continue;
out_le32(ECAM_IERB_BASE + ierb_offset[i],
FSL_ECAM_STREAM_ID_START + i);
}
}
static int fdt_setprop_inplace_idx_u32(void *fdt, int nodeoffset,
const char *name, uint32_t idx, u32 val)
{
val = cpu_to_be32(val);
return fdt_setprop_inplace_namelen_partial(fdt, nodeoffset, name,
strlen(name),
idx * sizeof(val), &val,
sizeof(val));
}
static int fdt_getprop_len(void *fdt, int nodeoffset, const char *name)
{
int len;
if (fdt_getprop_namelen(fdt, nodeoffset, name, strlen(name), &len))
return len;
return 0;
}
void fdt_fixup_ecam(void *blob)
{
int off;
off = fdt_node_offset_by_compatible(blob, 0, "pci-host-ecam-generic");
if (off < 0) {
debug("ECAM node not found\n");
return;
}
if (fdt_getprop_len(blob, off, "msi-map") != 16 ||
fdt_getprop_len(blob, off, "iommu-map") != 16) {
log_err("invalid msi/iommu-map propertly size in ECAM node\n");
return;
}
fdt_setprop_inplace_idx_u32(blob, off, "msi-map", 2,
FSL_ECAM_STREAM_ID_START);
fdt_setprop_inplace_idx_u32(blob, off, "msi-map", 3,
ECAM_IERB_FUNC_CNT);
fdt_setprop_inplace_idx_u32(blob, off, "iommu-map", 2,
FSL_ECAM_STREAM_ID_START);
fdt_setprop_inplace_idx_u32(blob, off, "iommu-map", 3,
ECAM_IERB_FUNC_CNT);
}
#endif /* CONFIG_PCIE_ECAM_GENERIC */
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