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-rw-r--r--arch/mips/generic/Kconfig12
-rw-r--r--arch/mips/generic/Platform1
-rw-r--r--arch/mips/generic/board-ocelot_pcb123.its.S23
-rw-r--r--arch/mips/generic/init.c14
-rw-r--r--arch/mips/generic/yamon-dt.c4
5 files changed, 35 insertions, 19 deletions
diff --git a/arch/mips/generic/Kconfig b/arch/mips/generic/Kconfig
index ba9b2c8cce68..08e33c6b2539 100644
--- a/arch/mips/generic/Kconfig
+++ b/arch/mips/generic/Kconfig
@@ -35,13 +35,13 @@ config LEGACY_BOARD_OCELOT
depends on LEGACY_BOARD_SEAD3=n
select LEGACY_BOARDS
select MSCC_OCELOT
+ select SYS_HAS_EARLY_PRINTK
+ select USE_GENERIC_EARLY_PRINTK_8250
config MSCC_OCELOT
bool
select GPIOLIB
select MSCC_OCELOT_IRQ
- select SYS_HAS_EARLY_PRINTK
- select USE_GENERIC_EARLY_PRINTK_8250
comment "FIT/UHI Boards"
@@ -65,6 +65,14 @@ config FIT_IMAGE_FDT_XILFPGA
Enable this to include the FDT for the MIPSfpga platform
from Imagination Technologies in the FIT kernel image.
+config FIT_IMAGE_FDT_OCELOT_PCB123
+ bool "Include FDT for Microsemi Ocelot PCB123"
+ select MSCC_OCELOT
+ help
+ Enable this to include the FDT for the Ocelot PCB123 platform
+ from Microsemi in the FIT kernel image.
+ This requires u-boot on the platform.
+
config VIRT_BOARD_RANCHU
bool "Support Ranchu platform for Android emulator"
help
diff --git a/arch/mips/generic/Platform b/arch/mips/generic/Platform
index 0dd0d5d460a5..879cb80396c8 100644
--- a/arch/mips/generic/Platform
+++ b/arch/mips/generic/Platform
@@ -16,4 +16,5 @@ all-$(CONFIG_MIPS_GENERIC) := vmlinux.gz.itb
its-y := vmlinux.its.S
its-$(CONFIG_FIT_IMAGE_FDT_BOSTON) += board-boston.its.S
its-$(CONFIG_FIT_IMAGE_FDT_NI169445) += board-ni169445.its.S
+its-$(CONFIG_FIT_IMAGE_FDT_OCELOT_PCB123) += board-ocelot_pcb123.its.S
its-$(CONFIG_FIT_IMAGE_FDT_XILFPGA) += board-xilfpga.its.S
diff --git a/arch/mips/generic/board-ocelot_pcb123.its.S b/arch/mips/generic/board-ocelot_pcb123.its.S
new file mode 100644
index 000000000000..5a7d5e1c878a
--- /dev/null
+++ b/arch/mips/generic/board-ocelot_pcb123.its.S
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/ {
+ images {
+ fdt@ocelot_pcb123 {
+ description = "MSCC Ocelot PCB123 Device Tree";
+ data = /incbin/("boot/dts/mscc/ocelot_pcb123.dtb");
+ type = "flat_dt";
+ arch = "mips";
+ compression = "none";
+ hash@0 {
+ algo = "sha1";
+ };
+ };
+ };
+
+ configurations {
+ conf@ocelot_pcb123 {
+ description = "Ocelot Linux kernel";
+ kernel = "kernel@0";
+ fdt = "fdt@ocelot_pcb123";
+ };
+ };
+};
diff --git a/arch/mips/generic/init.c b/arch/mips/generic/init.c
index 5ba6fcc26fa7..a106f8113842 100644
--- a/arch/mips/generic/init.c
+++ b/arch/mips/generic/init.c
@@ -14,7 +14,6 @@
#include <linux/init.h>
#include <linux/irqchip.h>
#include <linux/of_fdt.h>
-#include <linux/of_platform.h>
#include <asm/bootinfo.h>
#include <asm/fw/fw.h>
@@ -204,22 +203,11 @@ void __init arch_init_irq(void)
"mti,cpu-interrupt-controller");
if (!cpu_has_veic && !intc_node)
mips_cpu_irq_init();
+ of_node_put(intc_node);
irqchip_init();
}
-static int __init publish_devices(void)
-{
- if (!of_have_populated_dt())
- panic("Device-tree not present");
-
- if (of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL))
- panic("Failed to populate DT");
-
- return 0;
-}
-arch_initcall(publish_devices);
-
void __init prom_free_prom_memory(void)
{
}
diff --git a/arch/mips/generic/yamon-dt.c b/arch/mips/generic/yamon-dt.c
index b408dac722ac..7ba4ad5cc1d6 100644
--- a/arch/mips/generic/yamon-dt.c
+++ b/arch/mips/generic/yamon-dt.c
@@ -28,8 +28,6 @@ __init int yamon_dt_append_cmdline(void *fdt)
/* find or add chosen node */
chosen_off = fdt_path_offset(fdt, "/chosen");
if (chosen_off == -FDT_ERR_NOTFOUND)
- chosen_off = fdt_path_offset(fdt, "/chosen@0");
- if (chosen_off == -FDT_ERR_NOTFOUND)
chosen_off = fdt_add_subnode(fdt, 0, "chosen");
if (chosen_off < 0) {
pr_err("Unable to find or add DT chosen node: %d\n",
@@ -221,8 +219,6 @@ __init int yamon_dt_serial_config(void *fdt)
/* find or add chosen node */
chosen_off = fdt_path_offset(fdt, "/chosen");
if (chosen_off == -FDT_ERR_NOTFOUND)
- chosen_off = fdt_path_offset(fdt, "/chosen@0");
- if (chosen_off == -FDT_ERR_NOTFOUND)
chosen_off = fdt_add_subnode(fdt, 0, "chosen");
if (chosen_off < 0) {
pr_err("Unable to find or add DT chosen node: %d\n",