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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright 2014-2015 Freescale Semiconductor, Inc.
- * Copyright 2020 NXP
- */
- #include <common.h>
- #include <clock_legacy.h>
- #include <efi_loader.h>
- #include <log.h>
- #include <asm/cache.h>
- #include <linux/libfdt.h>
- #include <fdt_support.h>
- #include <phy.h>
- #ifdef CONFIG_FSL_LSCH3
- #include <asm/arch/fdt.h>
- #endif
- #ifdef CONFIG_FSL_ESDHC
- #include <fsl_esdhc.h>
- #endif
- #ifdef CONFIG_SYS_DPAA_FMAN
- #include <fsl_fman.h>
- #endif
- #ifdef CONFIG_MP
- #include <asm/arch/mp.h>
- #endif
- #include <fsl_sec.h>
- #include <asm/arch-fsl-layerscape/soc.h>
- #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
- #include <asm/armv8/sec_firmware.h>
- #endif
- #include <asm/arch/speed.h>
- #include <fsl_qbman.h>
- int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
- {
- const char *conn;
- /* Do NOT apply fixup for backplane modes specified in DT */
- if (phyc == PHY_INTERFACE_MODE_XGMII) {
- conn = fdt_getprop(blob, offset, "phy-connection-type", NULL);
- if (is_backplane_mode(conn))
- return 0;
- }
- return fdt_setprop_string(blob, offset, "phy-connection-type",
- phy_string_for_interface(phyc));
- }
- #ifdef CONFIG_MP
- void ft_fixup_cpu(void *blob)
- {
- int off;
- __maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
- fdt32_t *reg;
- int addr_cells;
- u64 val, core_id;
- u32 mask = cpu_pos_mask();
- int off_prev = -1;
- off = fdt_path_offset(blob, "/cpus");
- if (off < 0) {
- puts("couldn't find /cpus node\n");
- return;
- }
- fdt_support_default_count_cells(blob, off, &addr_cells, NULL);
- off = fdt_node_offset_by_prop_value(blob, off_prev, "device_type",
- "cpu", 4);
- while (off != -FDT_ERR_NOTFOUND) {
- reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
- if (reg) {
- core_id = fdt_read_number(reg, addr_cells);
- if (!test_bit(id_to_core(core_id), &mask)) {
- fdt_del_node(blob, off);
- off = off_prev;
- }
- }
- off_prev = off;
- off = fdt_node_offset_by_prop_value(blob, off_prev,
- "device_type", "cpu", 4);
- }
- #if defined(CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT) && \
- defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI)
- int node;
- u32 psci_ver;
- /* Check the psci version to determine if the psci is supported */
- psci_ver = sec_firmware_support_psci_version();
- if (psci_ver == 0xffffffff) {
- /* remove psci DT node */
- node = fdt_path_offset(blob, "/psci");
- if (node >= 0)
- goto remove_psci_node;
- node = fdt_node_offset_by_compatible(blob, -1, "arm,psci");
- if (node >= 0)
- goto remove_psci_node;
- node = fdt_node_offset_by_compatible(blob, -1, "arm,psci-0.2");
- if (node >= 0)
- goto remove_psci_node;
- node = fdt_node_offset_by_compatible(blob, -1, "arm,psci-1.0");
- if (node >= 0)
- goto remove_psci_node;
- remove_psci_node:
- if (node >= 0)
- fdt_del_node(blob, node);
- } else {
- return;
- }
- #endif
- off = fdt_path_offset(blob, "/cpus");
- if (off < 0) {
- puts("couldn't find /cpus node\n");
- return;
- }
- fdt_support_default_count_cells(blob, off, &addr_cells, NULL);
- off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
- while (off != -FDT_ERR_NOTFOUND) {
- reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
- if (reg) {
- core_id = fdt_read_number(reg, addr_cells);
- if (core_id == 0 || (is_core_online(core_id))) {
- val = spin_tbl_addr;
- val += id_to_core(core_id) *
- SPIN_TABLE_ELEM_SIZE;
- val = cpu_to_fdt64(val);
- fdt_setprop_string(blob, off, "enable-method",
- "spin-table");
- fdt_setprop(blob, off, "cpu-release-addr",
- &val, sizeof(val));
- } else {
- debug("skipping offline core\n");
- }
- } else {
- puts("Warning: found cpu node without reg property\n");
- }
- off = fdt_node_offset_by_prop_value(blob, off, "device_type",
- "cpu", 4);
- }
- fdt_add_mem_rsv(blob, (uintptr_t)secondary_boot_code_start,
- secondary_boot_code_size);
- #if CONFIG_IS_ENABLED(EFI_LOADER)
- efi_add_memory_map((uintptr_t)secondary_boot_code_start,
- secondary_boot_code_size, EFI_RESERVED_MEMORY_TYPE);
- #endif
- }
- #endif
- void fsl_fdt_disable_usb(void *blob)
- {
- int off;
- /*
- * SYSCLK is used as a reference clock for USB. When the USB
- * controller is used, SYSCLK must meet the additional requirement
- * of 100 MHz.
- */
- if (CONFIG_SYS_CLK_FREQ != 100000000) {
- off = fdt_node_offset_by_compatible(blob, -1, "snps,dwc3");
- while (off != -FDT_ERR_NOTFOUND) {
- fdt_status_disabled(blob, off);
- off = fdt_node_offset_by_compatible(blob, off,
- "snps,dwc3");
- }
- }
- }
- #ifdef CONFIG_HAS_FEATURE_GIC64K_ALIGN
- static void fdt_fixup_gic(void *blob)
- {
- int offset, err;
- u64 reg[8];
- struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
- unsigned int val;
- struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
- int align_64k = 0;
- val = gur_in32(&gur->svr);
- if (!IS_SVR_DEV(val, SVR_DEV(SVR_LS1043A))) {
- align_64k = 1;
- } else if (SVR_REV(val) != REV1_0) {
- val = scfg_in32(&scfg->gic_align) & (0x01 << GIC_ADDR_BIT);
- if (!val)
- align_64k = 1;
- }
- offset = fdt_subnode_offset(blob, 0, "interrupt-controller@1400000");
- if (offset < 0) {
- printf("WARNING: fdt_subnode_offset can't find node %s: %s\n",
- "interrupt-controller@1400000", fdt_strerror(offset));
- return;
- }
- /* Fixup gic node align with 64K */
- if (align_64k) {
- reg[0] = cpu_to_fdt64(GICD_BASE_64K);
- reg[1] = cpu_to_fdt64(GICD_SIZE_64K);
- reg[2] = cpu_to_fdt64(GICC_BASE_64K);
- reg[3] = cpu_to_fdt64(GICC_SIZE_64K);
- reg[4] = cpu_to_fdt64(GICH_BASE_64K);
- reg[5] = cpu_to_fdt64(GICH_SIZE_64K);
- reg[6] = cpu_to_fdt64(GICV_BASE_64K);
- reg[7] = cpu_to_fdt64(GICV_SIZE_64K);
- } else {
- /* Fixup gic node align with default */
- reg[0] = cpu_to_fdt64(GICD_BASE);
- reg[1] = cpu_to_fdt64(GICD_SIZE);
- reg[2] = cpu_to_fdt64(GICC_BASE);
- reg[3] = cpu_to_fdt64(GICC_SIZE);
- reg[4] = cpu_to_fdt64(GICH_BASE);
- reg[5] = cpu_to_fdt64(GICH_SIZE);
- reg[6] = cpu_to_fdt64(GICV_BASE);
- reg[7] = cpu_to_fdt64(GICV_SIZE);
- }
- err = fdt_setprop(blob, offset, "reg", reg, sizeof(reg));
- if (err < 0) {
- printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
- "reg", "interrupt-controller@1400000",
- fdt_strerror(err));
- return;
- }
- return;
- }
- #endif
- #ifdef CONFIG_HAS_FEATURE_ENHANCED_MSI
- static int _fdt_fixup_msi_node(void *blob, const char *name,
- int irq_0, int irq_1, int rev)
- {
- int err, offset, len;
- u32 tmp[4][3];
- void *p;
- offset = fdt_path_offset(blob, name);
- if (offset < 0) {
- printf("WARNING: fdt_path_offset can't find path %s: %s\n",
- name, fdt_strerror(offset));
- return 0;
- }
- /*fixup the property of interrupts*/
- tmp[0][0] = cpu_to_fdt32(0x0);
- tmp[0][1] = cpu_to_fdt32(irq_0);
- tmp[0][2] = cpu_to_fdt32(0x4);
- if (rev > REV1_0) {
- tmp[1][0] = cpu_to_fdt32(0x0);
- tmp[1][1] = cpu_to_fdt32(irq_1);
- tmp[1][2] = cpu_to_fdt32(0x4);
- tmp[2][0] = cpu_to_fdt32(0x0);
- tmp[2][1] = cpu_to_fdt32(irq_1 + 1);
- tmp[2][2] = cpu_to_fdt32(0x4);
- tmp[3][0] = cpu_to_fdt32(0x0);
- tmp[3][1] = cpu_to_fdt32(irq_1 + 2);
- tmp[3][2] = cpu_to_fdt32(0x4);
- len = sizeof(tmp);
- } else {
- len = sizeof(tmp[0]);
- }
- err = fdt_setprop(blob, offset, "interrupts", tmp, len);
- if (err < 0) {
- printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
- "interrupts", name, fdt_strerror(err));
- return 0;
- }
- /*fixup the property of reg*/
- p = (char *)fdt_getprop(blob, offset, "reg", &len);
- if (!p) {
- printf("WARNING: fdt_getprop can't get %s from node %s\n",
- "reg", name);
- return 0;
- }
- memcpy((char *)tmp, p, len);
- if (rev > REV1_0)
- *((u32 *)tmp + 3) = cpu_to_fdt32(0x1000);
- else
- *((u32 *)tmp + 3) = cpu_to_fdt32(0x8);
- err = fdt_setprop(blob, offset, "reg", tmp, len);
- if (err < 0) {
- printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
- "reg", name, fdt_strerror(err));
- return 0;
- }
- /*fixup the property of compatible*/
- if (rev > REV1_0)
- err = fdt_setprop_string(blob, offset, "compatible",
- "fsl,ls1043a-v1.1-msi");
- else
- err = fdt_setprop_string(blob, offset, "compatible",
- "fsl,ls1043a-msi");
- if (err < 0) {
- printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
- "compatible", name, fdt_strerror(err));
- return 0;
- }
- return 1;
- }
- static int _fdt_fixup_pci_msi(void *blob, const char *name, int rev)
- {
- int offset, len, err;
- void *p;
- int val;
- u32 tmp[4][8];
- offset = fdt_path_offset(blob, name);
- if (offset < 0) {
- printf("WARNING: fdt_path_offset can't find path %s: %s\n",
- name, fdt_strerror(offset));
- return 0;
- }
- p = (char *)fdt_getprop(blob, offset, "interrupt-map", &len);
- if (!p || len != sizeof(tmp)) {
- printf("WARNING: fdt_getprop can't get %s from node %s\n",
- "interrupt-map", name);
- return 0;
- }
- memcpy((char *)tmp, p, len);
- val = fdt32_to_cpu(tmp[0][6]);
- if (rev == REV1_0) {
- tmp[1][6] = cpu_to_fdt32(val + 1);
- tmp[2][6] = cpu_to_fdt32(val + 2);
- tmp[3][6] = cpu_to_fdt32(val + 3);
- } else {
- tmp[1][6] = cpu_to_fdt32(val);
- tmp[2][6] = cpu_to_fdt32(val);
- tmp[3][6] = cpu_to_fdt32(val);
- }
- err = fdt_setprop(blob, offset, "interrupt-map", tmp, sizeof(tmp));
- if (err < 0) {
- printf("WARNING: fdt_setprop can't set %s from node %s: %s.\n",
- "interrupt-map", name, fdt_strerror(err));
- return 0;
- }
- return 1;
- }
- /* Fixup msi node for ls1043a rev1.1*/
- static void fdt_fixup_msi(void *blob)
- {
- struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
- unsigned int rev;
- rev = gur_in32(&gur->svr);
- if (!IS_SVR_DEV(rev, SVR_DEV(SVR_LS1043A)))
- return;
- rev = SVR_REV(rev);
- _fdt_fixup_msi_node(blob, "/soc/msi-controller1@1571000",
- 116, 111, rev);
- _fdt_fixup_msi_node(blob, "/soc/msi-controller2@1572000",
- 126, 121, rev);
- _fdt_fixup_msi_node(blob, "/soc/msi-controller3@1573000",
- 160, 155, rev);
- _fdt_fixup_pci_msi(blob, "/soc/pcie@3400000", rev);
- _fdt_fixup_pci_msi(blob, "/soc/pcie@3500000", rev);
- _fdt_fixup_pci_msi(blob, "/soc/pcie@3600000", rev);
- }
- #endif
- #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
- /* Remove JR node used by SEC firmware */
- void fdt_fixup_remove_jr(void *blob)
- {
- int jr_node, addr_cells, len;
- int crypto_node = fdt_path_offset(blob, "crypto");
- u64 jr_offset, used_jr;
- fdt32_t *reg;
- used_jr = sec_firmware_used_jobring_offset();
- fdt_support_default_count_cells(blob, crypto_node, &addr_cells, NULL);
- jr_node = fdt_node_offset_by_compatible(blob, crypto_node,
- "fsl,sec-v4.0-job-ring");
- while (jr_node != -FDT_ERR_NOTFOUND) {
- reg = (fdt32_t *)fdt_getprop(blob, jr_node, "reg", &len);
- jr_offset = fdt_read_number(reg, addr_cells);
- if (jr_offset == used_jr) {
- fdt_del_node(blob, jr_node);
- break;
- }
- jr_node = fdt_node_offset_by_compatible(blob, jr_node,
- "fsl,sec-v4.0-job-ring");
- }
- }
- #endif
- #ifdef CONFIG_ARCH_LS1028A
- static void fdt_disable_multimedia(void *blob, unsigned int svr)
- {
- int off;
- if (IS_MULTIMEDIA_EN(svr))
- return;
- /* Disable eDP/LCD node */
- off = fdt_node_offset_by_compatible(blob, -1, "arm,mali-dp500");
- if (off != -FDT_ERR_NOTFOUND)
- fdt_status_disabled(blob, off);
- /* Disable GPU node */
- off = fdt_node_offset_by_compatible(blob, -1, "fsl,ls1028a-gpu");
- if (off != -FDT_ERR_NOTFOUND)
- fdt_status_disabled(blob, off);
- }
- #endif
- #ifdef CONFIG_PCIE_ECAM_GENERIC
- __weak void fdt_fixup_ecam(void *blob)
- {
- }
- #endif
- void ft_cpu_setup(void *blob, struct bd_info *bd)
- {
- struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
- unsigned int svr = gur_in32(&gur->svr);
- /* delete crypto node if not on an E-processor */
- if (!IS_E_PROCESSOR(svr))
- fdt_fixup_crypto_node(blob, 0);
- #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
- else {
- ccsr_sec_t __iomem *sec;
- #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
- fdt_fixup_remove_jr(blob);
- fdt_fixup_kaslr(blob);
- #endif
- sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
- fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
- }
- #endif
- #ifdef CONFIG_MP
- ft_fixup_cpu(blob);
- #endif
- #ifdef CONFIG_SYS_NS16550
- do_fixup_by_compat_u32(blob, "fsl,ns16550",
- "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
- #endif
- do_fixup_by_path_u32(blob, "/sysclk", "clock-frequency",
- CONFIG_SYS_CLK_FREQ, 1);
- #ifdef CONFIG_GIC_V3_ITS
- ls_gic_rd_tables_init(blob);
- #endif
- #if defined(CONFIG_PCIE_LAYERSCAPE) || defined(CONFIG_PCIE_LAYERSCAPE_GEN4)
- ft_pci_setup(blob, bd);
- #endif
- #ifdef CONFIG_FSL_ESDHC
- fdt_fixup_esdhc(blob, bd);
- #endif
- #ifdef CONFIG_SYS_DPAA_QBMAN
- fdt_fixup_bportals(blob);
- fdt_fixup_qportals(blob);
- do_fixup_by_compat_u32(blob, "fsl,qman",
- "clock-frequency", get_qman_freq(), 1);
- #endif
- #ifdef CONFIG_SYS_DPAA_FMAN
- fdt_fixup_fman_firmware(blob);
- #endif
- #ifndef CONFIG_ARCH_LS1012A
- fsl_fdt_disable_usb(blob);
- #endif
- #ifdef CONFIG_HAS_FEATURE_GIC64K_ALIGN
- fdt_fixup_gic(blob);
- #endif
- #ifdef CONFIG_HAS_FEATURE_ENHANCED_MSI
- fdt_fixup_msi(blob);
- #endif
- #ifdef CONFIG_ARCH_LS1028A
- fdt_disable_multimedia(blob, svr);
- #endif
- #ifdef CONFIG_PCIE_ECAM_GENERIC
- fdt_fixup_ecam(blob);
- #endif
- }
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