From: Laurentiu Tudor laurentiu.tudor@nxp.com
Add infrastructure for ICID setup and device tree fixup on ARM platforms. This include basic ICID setup for several devices.
Signed-off-by: Laurentiu Tudor laurentiu.tudor@nxp.com --- arch/arm/cpu/armv8/fsl-layerscape/Makefile | 1 + arch/arm/cpu/armv8/fsl-layerscape/icid.c | 110 ++++++++++++++++++ .../arm/cpu/armv8/fsl-layerscape/ls1046_ids.c | 29 +++++ arch/arm/cpu/armv8/fsl-layerscape/soc.c | 5 + .../asm/arch-fsl-layerscape/fsl_icid.h | 80 +++++++++++++ board/freescale/ls1046aqds/ls1046aqds.c | 3 + board/freescale/ls1046ardb/ls1046ardb.c | 3 + 7 files changed, 231 insertions(+) create mode 100644 arch/arm/cpu/armv8/fsl-layerscape/icid.c create mode 100644 arch/arm/cpu/armv8/fsl-layerscape/ls1046_ids.c create mode 100644 arch/arm/include/asm/arch-fsl-layerscape/fsl_icid.h
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Makefile b/arch/arm/cpu/armv8/fsl-layerscape/Makefile index 1e9e4680fe..5d6f68aad6 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Makefile +++ b/arch/arm/cpu/armv8/fsl-layerscape/Makefile @@ -37,6 +37,7 @@ endif
ifneq ($(CONFIG_ARCH_LS1046A),) obj-$(CONFIG_SYS_HAS_SERDES) += ls1046a_serdes.o +obj-y += icid.o ls1046_ids.o endif
ifneq ($(CONFIG_ARCH_LS1088A),) diff --git a/arch/arm/cpu/armv8/fsl-layerscape/icid.c b/arch/arm/cpu/armv8/fsl-layerscape/icid.c new file mode 100644 index 0000000000..ae3b8daa95 --- /dev/null +++ b/arch/arm/cpu/armv8/fsl-layerscape/icid.c @@ -0,0 +1,110 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP + */ + +#include <common.h> +#include <linux/libfdt.h> +#include <fdt_support.h> + +#include <asm/io.h> +#include <asm/processor.h> +#include <asm/arch-fsl-layerscape/fsl_icid.h> + +static void set_icid(struct icid_id_table *tbl, int size) +{ + int i; + + for (i = 0; i < size; i++) + out_be32((u32 *)(tbl[i].reg_addr), tbl[i].reg); +} + +void set_icids(void) +{ + /* setup general icid offsets */ + set_icid(icid_tbl, icid_tbl_sz); +} + +int fdt_set_iommu_prop(void *blob, int off, int smmu_ph, u32 *ids, int num_ids) +{ + int i, ret; + u32 prop[8]; + + /* + * Note: The "iommus" property definition mentions Stream IDs while + * this code handles ICIDs. The current implementation assumes that + * ICIDs and Stream IDs are equal. + */ + for (i = 0; i < num_ids; i++) { + prop[i * 2] = cpu_to_fdt32(smmu_ph); + prop[i * 2 + 1] = cpu_to_fdt32(ids[i]); + } + ret = fdt_setprop(blob, off, "iommus", + prop, sizeof(u32) * num_ids * 2); + if (ret) { + printf("WARNING unable to set iommus: %s\n", fdt_strerror(ret)); + return ret; + } + + return 0; +} + +int fdt_fixup_icid_tbl(void *blob, int smmu_ph, + struct icid_id_table *tbl, int size) +{ + int i, err, off; + + for (i = 0; i < size; i++) { + if (!tbl[i].compat) + continue; + + off = fdt_node_offset_by_compat_reg(blob, + tbl[i].compat, + tbl[i].compat_addr); + if (off > 0) { + err = fdt_set_iommu_prop(blob, off, smmu_ph, + &tbl[i].id, 1); + if (err) + return err; + } else { + printf("WARNING could not find node %s: %s.\n", + tbl[i].compat, fdt_strerror(off)); + } + } + + return 0; +} + +int fdt_get_smmu_phandle(void *blob) +{ + int noff, smmu_ph; + + noff = fdt_node_offset_by_compatible(blob, -1, "arm,mmu-500"); + if (noff < 0) { + printf("WARNING failed to get smmu node: %s\n", + fdt_strerror(noff)); + return noff; + } + + smmu_ph = fdt_get_phandle(blob, noff); + if (!smmu_ph) { + smmu_ph = fdt_create_phandle(blob, noff); + if (!smmu_ph) { + printf("WARNING failed to get smmu phandle\n"); + return -1; + } + } + + return smmu_ph; +} + +void fdt_fixup_icid(void *blob) +{ + int smmu_ph; + + smmu_ph = fdt_get_smmu_phandle(blob); + if (smmu_ph < 0) + return; + + fdt_fixup_icid_tbl(blob, smmu_ph, icid_tbl, icid_tbl_sz); +} diff --git a/arch/arm/cpu/armv8/fsl-layerscape/ls1046_ids.c b/arch/arm/cpu/armv8/fsl-layerscape/ls1046_ids.c new file mode 100644 index 0000000000..1c528ab751 --- /dev/null +++ b/arch/arm/cpu/armv8/fsl-layerscape/ls1046_ids.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP + */ + +#include <common.h> +#include <asm/arch-fsl-layerscape/immap_lsch2.h> +#include <asm/arch-fsl-layerscape/fsl_icid.h> + +struct icid_id_table icid_tbl[] = { +#ifdef CONFIG_SYS_DPAA_QBMAN + SET_QMAN_ICID(FSL_DPAA1_STREAM_ID_START), + SET_BMAN_ICID(FSL_DPAA1_STREAM_ID_START + 1), +#endif + + SET_SDHC_ICID(FSL_SDHC_STREAM_ID), + + SET_USB_ICID(1, "snps,dwc3", FSL_USB1_STREAM_ID), + SET_USB_ICID(2, "snps,dwc3", FSL_USB2_STREAM_ID), + SET_USB_ICID(3, "snps,dwc3", FSL_USB3_STREAM_ID), + + SET_SATA_ICID("fsl,ls1046a-ahci", FSL_SATA_STREAM_ID), + SET_QDMA_ICID("fsl,ls1046a-qdma", FSL_QDMA_STREAM_ID), + SET_EDMA_ICID(FSL_EDMA_STREAM_ID), + SET_ETR_ICID(FSL_ETR_STREAM_ID), + SET_DEBUG_ICID(FSL_DEBUG_STREAM_ID), +}; + +int icid_tbl_sz = ARRAY_SIZE(icid_tbl); diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index 8028d5228f..2f306c509a 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -11,6 +11,7 @@ #include <asm/io.h> #include <asm/global_data.h> #include <asm/arch-fsl-layerscape/config.h> +#include <asm/arch-fsl-layerscape/fsl_icid.h> #ifdef CONFIG_LAYERSCAPE_NS_ACCESS #include <fsl_csu.h> #endif @@ -623,6 +624,10 @@ void fsl_lsch2_early_init_f(void) erratum_a009798(); erratum_a008997(); erratum_a009007(); + +#ifdef CONFIG_ARCH_LS1046A + set_icids(); +#endif } #endif
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 diff --git a/board/freescale/ls1046aqds/ls1046aqds.c b/board/freescale/ls1046aqds/ls1046aqds.c index b765f07f85..0da82381af 100644 --- a/board/freescale/ls1046aqds/ls1046aqds.c +++ b/board/freescale/ls1046aqds/ls1046aqds.c @@ -14,6 +14,7 @@ #include <asm/arch/fdt.h> #include <asm/arch/mmu.h> #include <asm/arch/soc.h> +#include <asm/arch-fsl-layerscape/fsl_icid.h> #include <ahci.h> #include <hwconfig.h> #include <mmc.h> @@ -309,6 +310,8 @@ int ft_board_setup(void *blob, bd_t *bd) fdt_fixup_board_enet(blob); #endif
+ fdt_fixup_icid(blob); + reg = QIXIS_READ(brdcfg[0]); reg = (reg & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
diff --git a/board/freescale/ls1046ardb/ls1046ardb.c b/board/freescale/ls1046ardb/ls1046ardb.c index feb5c2448a..0a73fe859d 100644 --- a/board/freescale/ls1046ardb/ls1046ardb.c +++ b/board/freescale/ls1046ardb/ls1046ardb.c @@ -11,6 +11,7 @@ #include <asm/arch/fsl_serdes.h> #include <asm/arch/ppa.h> #include <asm/arch/soc.h> +#include <asm/arch-fsl-layerscape/fsl_icid.h> #include <hwconfig.h> #include <ahci.h> #include <mmc.h> @@ -174,6 +175,8 @@ int ft_board_setup(void *blob, bd_t *bd) fdt_fixup_fman_ethernet(blob); #endif
+ fdt_fixup_icid(blob); + return 0; } #endif