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|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2014-2015 Freescale Semiconductor, Inc.
* Copyright 2020-2021 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>
#if CONFIG_IS_ENABLED(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 CONFIG_IS_ENABLED(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 (get_board_sys_clk() != 100000000)
fdt_for_each_node_by_compatible(off, blob, -1, "snps,dwc3")
fdt_status_disabled(blob, off);
}
#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
#if CONFIG_IS_ENABLED(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);
if (reg) {
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, "vivante,gc");
if (off != -FDT_ERR_NOTFOUND)
fdt_status_disabled(blob, off);
}
#endif
#ifdef CONFIG_PCIE_ECAM_GENERIC
__weak void fdt_fixup_ecam(void *blob)
{
}
#endif
/*
* If it is a non-E part the crypto is disabled on the following SoCs:
* - LS1043A
* - LS1088A
* - LS2080A
* - LS2088A
* and their personalities.
*
* On all other SoCs just the export-controlled ciphers are disabled, that
* means that the following is still working:
* - hashing (using MDHA - message digest hash accelerator)
* - random number generation (using RNG4)
* - cyclic redundancy checking (using CRCA)
* - runtime integrity checker (RTIC)
*
* The linux driver will figure out what is available and what is not.
* Therefore, we just remove the crypto node on the SoCs which have no crypto
* support at all.
*/
static bool crypto_is_disabled(unsigned int svr)
{
if (IS_E_PROCESSOR(svr))
return false;
if (IS_SVR_DEV(svr, SVR_DEV(SVR_LS1043A)))
return true;
if (IS_SVR_DEV(svr, SVR_DEV(SVR_LS1088A)))
return true;
if (IS_SVR_DEV(svr, SVR_DEV(SVR_LS2080A)))
return true;
if (IS_SVR_DEV(svr, SVR_DEV(SVR_LS2088A)))
return true;
return false;
}
#ifdef CONFIG_FSL_PFE
void pfe_set_firmware_in_fdt(void *blob, int pfenode, void *pfw, char *pename,
unsigned int len)
{
int rc, fwnode;
unsigned int phandle;
char subnode_str[32], prop_str[32], phandle_str[32], s[64];
sprintf(subnode_str, "pfe-%s-firmware", pename);
sprintf(prop_str, "fsl,pfe-%s-firmware", pename);
sprintf(phandle_str, "fsl,%s-firmware", pename);
/*Add PE FW to fdt.*/
/* Increase the size of the fdt to make room for the node. */
rc = fdt_increase_size(blob, len);
if (rc < 0) {
printf("Unable to make room for %s firmware: %s\n", pename,
fdt_strerror(rc));
return;
}
/* Create the firmware node. */
fwnode = fdt_add_subnode(blob, pfenode, subnode_str);
if (fwnode < 0) {
fdt_get_path(blob, pfenode, s, sizeof(s));
printf("Could not add firmware node to %s: %s\n", s,
fdt_strerror(fwnode));
return;
}
rc = fdt_setprop_string(blob, fwnode, "compatible", prop_str);
if (rc < 0) {
fdt_get_path(blob, fwnode, s, sizeof(s));
printf("Could not add compatible property to node %s: %s\n", s,
fdt_strerror(rc));
return;
}
rc = fdt_setprop_u32(blob, fwnode, "length", len);
if (rc < 0) {
fdt_get_path(blob, fwnode, s, sizeof(s));
printf("Could not add compatible property to node %s: %s\n", s,
fdt_strerror(rc));
return;
}
/*create phandle and set the property*/
phandle = fdt_create_phandle(blob, fwnode);
if (!phandle) {
fdt_get_path(blob, fwnode, s, sizeof(s));
printf("Could not add phandle property to node %s: %s\n", s,
fdt_strerror(rc));
return;
}
rc = fdt_setprop(blob, fwnode, phandle_str, pfw, len);
if (rc < 0) {
fdt_get_path(blob, fwnode, s, sizeof(s));
printf("Could not add firmware property to node %s: %s\n", s,
fdt_strerror(rc));
return;
}
}
void fdt_fixup_pfe_firmware(void *blob)
{
int pfenode;
unsigned int len_class = 0, len_tmu = 0, len_util = 0;
const char *p;
void *pclassfw, *ptmufw, *putilfw;
/* The first PFE we find, will contain the actual firmware. */
pfenode = fdt_node_offset_by_compatible(blob, -1, "fsl,pfe");
if (pfenode < 0)
/* Exit silently if there are no PFE devices */
return;
/* If we already have a firmware node, then also exit silently. */
if (fdt_node_offset_by_compatible(blob, -1,
"fsl,pfe-class-firmware") > 0)
return;
/* If the environment variable is not set, then exit silently */
p = env_get("class_elf_firmware");
if (!p)
return;
pclassfw = (void *)hextoul(p, NULL);
if (!pclassfw)
return;
p = env_get("class_elf_size");
if (!p)
return;
len_class = hextoul(p, NULL);
/* If the environment variable is not set, then exit silently */
p = env_get("tmu_elf_firmware");
if (!p)
return;
ptmufw = (void *)hextoul(p, NULL);
if (!ptmufw)
return;
p = env_get("tmu_elf_size");
if (!p)
return;
len_tmu = hextoul(p, NULL);
if (len_class == 0 || len_tmu == 0) {
printf("PFE FW corrupted. CLASS FW size %d, TMU FW size %d\n",
len_class, len_tmu);
return;
}
/*Add CLASS FW to fdt.*/
pfe_set_firmware_in_fdt(blob, pfenode, pclassfw, "class", len_class);
/*Add TMU FW to fdt.*/
pfe_set_firmware_in_fdt(blob, pfenode, ptmufw, "tmu", len_tmu);
/* Util PE firmware is handled separately as it is not a usual case*/
p = env_get("util_elf_firmware");
if (!p)
return;
putilfw = (void *)hextoul(p, NULL);
if (!putilfw)
return;
p = env_get("util_elf_size");
if (!p)
return;
len_util = hextoul(p, NULL);
if (len_util) {
printf("PFE Util PE firmware is not added to FDT.\n");
return;
}
pfe_set_firmware_in_fdt(blob, pfenode, putilfw, "util", len_util);
}
#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 (crypto_is_disabled(svr))
fdt_fixup_crypto_node(blob, 0);
#if CONFIG_SYS_FSL_SEC_COMPAT >= 4
else {
ccsr_sec_t __iomem *sec;
#if CONFIG_IS_ENABLED(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",
get_board_sys_clk(), 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_FMAN_ENET
fdt_fixup_fman_firmware(blob);
#endif
#ifdef CONFIG_FSL_PFE
fdt_fixup_pfe_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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