mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-06 21:03:21 +09:00
![Hou Zhiqiang](/assets/img/avatar_default.png)
If the PSCI and PPA is ready, skip the fixup for spin-table and waking secondary cores. Otherwise, change SMP method to spin-table, and the device node of PSCI will be removed. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
154 lines
3.6 KiB
C
154 lines
3.6 KiB
C
/*
|
|
* Copyright 2014-2015 Freescale Semiconductor, Inc.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <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
|
|
|
|
int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
|
|
{
|
|
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;
|
|
size_t *boot_code_size = &(__secondary_boot_code_size);
|
|
#if defined(CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT) && defined(CONFIG_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;
|
|
}
|
|
of_bus_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 = of_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,
|
|
*boot_code_size);
|
|
}
|
|
#endif
|
|
|
|
void ft_cpu_setup(void *blob, bd_t *bd)
|
|
{
|
|
#ifdef CONFIG_FSL_LSCH2
|
|
struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
|
|
unsigned int svr = in_be32(&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;
|
|
|
|
sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
|
|
fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
|
|
}
|
|
#endif
|
|
#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_compat_u32(blob, "fixed-clock",
|
|
"clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
|
|
|
|
#ifdef CONFIG_PCI
|
|
ft_pci_setup(blob, bd);
|
|
#endif
|
|
|
|
#ifdef CONFIG_FSL_ESDHC
|
|
fdt_fixup_esdhc(blob, bd);
|
|
#endif
|
|
|
|
#ifdef CONFIG_SYS_DPAA_FMAN
|
|
fdt_fixup_fman_firmware(blob);
|
|
#endif
|
|
}
|