summaryrefslogtreecommitdiffstats
path: root/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-lsch3/fdt.c')
-rw-r--r--arch/arm/cpu/armv8/fsl-lsch3/fdt.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/fdt.c b/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
index e392eb9149..7eb9b6aa4b 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
+++ b/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
@@ -16,7 +16,7 @@ void ft_fixup_cpu(void *blob)
__maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
fdt32_t *reg;
int addr_cells;
- u64 val;
+ u64 val, core_id;
size_t *boot_code_size = &(__secondary_boot_code_size);
off = fdt_path_offset(blob, "/cpus");
@@ -29,15 +29,20 @@ void ft_fixup_cpu(void *blob)
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);
+ core_id = of_read_number(reg, addr_cells);
if (reg) {
- val = spin_tbl_addr;
- val += id_to_core(of_read_number(reg, addr_cells))
- * 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));
+ 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");
}
@@ -55,4 +60,9 @@ void ft_cpu_setup(void *blob, bd_t *bd)
#ifdef CONFIG_MP
ft_fixup_cpu(blob);
#endif
+
+#ifdef CONFIG_SYS_NS16550
+ do_fixup_by_compat_u32(blob, "ns16550",
+ "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
+#endif
}