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ARMv8/Layerscape: switch SMP method accordingly

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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>
This commit is contained in:
Hou Zhiqiang 2016-06-28 20:18:15 +08:00 committed by York Sun
parent f1dd4cadd2
commit 032d5bb4ae
2 changed files with 46 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
arch/arm/cpu/armv8/fsl-layerscape/cpu.c
View File

@ -23,6 +23,9 @@
#ifdef CONFIG_FSL_ESDHC
#include <fsl_esdhc.h>
#endif
#ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
#include <asm/armv8/sec_firmware.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
@ -364,6 +367,7 @@ int arch_early_init_r(void)
{
#ifdef CONFIG_MP
int rv = 1;
u32 psci_ver = 0xffffffff;
#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_A009635
@ -371,9 +375,15 @@ int arch_early_init_r(void)
#endif
#ifdef CONFIG_MP
rv = fsl_layerscape_wake_seconday_cores();
if (rv)
printf("Did not wake secondary cores\n");
#if defined(CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT) && defined(CONFIG_ARMV8_PSCI)
/* Check the psci version to determine if the psci is supported */
psci_ver = sec_firmware_support_psci_version();
#endif
if (psci_ver == 0xffffffff) {
rv = fsl_layerscape_wake_seconday_cores();
if (rv)
printf("Did not wake secondary cores\n");
}
#endif
#ifdef CONFIG_SYS_HAS_SERDES

33
arch/arm/cpu/armv8/fsl-layerscape/fdt.c
View File

@ -22,6 +22,9 @@
#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)
{
@ -38,7 +41,37 @@ void ft_fixup_cpu(void *blob)
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");