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-rw-r--r--arch/mips/cpu/u-boot-spl.lds100
-rw-r--r--arch/mips/cpu/u-boot.lds104
-rw-r--r--arch/mips/dts/Makefile3
-rw-r--r--arch/mips/dts/gardena-smart-gateway-mt7688.dts2
-rw-r--r--arch/mips/dts/jr2_pcb110.dts74
-rw-r--r--arch/mips/dts/jr2_pcb111.dts74
-rw-r--r--arch/mips/dts/luton_pcb090.dts57
-rw-r--r--arch/mips/dts/luton_pcb091.dts27
-rw-r--r--arch/mips/dts/mscc,jr2.dtsi187
-rw-r--r--arch/mips/dts/mscc,luton.dtsi29
-rw-r--r--arch/mips/dts/mscc,ocelot.dtsi23
-rw-r--r--arch/mips/dts/ocelot_pcb120.dts76
-rw-r--r--arch/mips/dts/ocelot_pcb123.dts25
-rw-r--r--arch/mips/dts/serval2_pcb112.dts60
-rw-r--r--arch/mips/mach-jz47xx/jz4780/u-boot-spl.lds50
-rw-r--r--arch/mips/mach-mscc/Kconfig45
-rw-r--r--arch/mips/mach-mscc/Makefile5
-rw-r--r--arch/mips/mach-mscc/cpu.c7
-rw-r--r--arch/mips/mach-mscc/dram.c2
-rw-r--r--arch/mips/mach-mscc/gpio.c33
-rw-r--r--arch/mips/mach-mscc/include/mach/common.h65
-rw-r--r--arch/mips/mach-mscc/include/mach/ddr.h38
-rw-r--r--arch/mips/mach-mscc/include/mach/jr2/jr2.h24
-rw-r--r--arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb.h20
-rw-r--r--arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb_miim_regs.h25
-rw-r--r--arch/mips/mach-mscc/include/mach/jr2/jr2_icpu_cfg.h321
-rw-r--r--arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb.h4
-rw-r--r--arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb_miim_regs.h26
-rw-r--r--arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb.h2
-rw-r--r--arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb_miim_regs.h25
-rw-r--r--arch/mips/mach-mscc/phy.c73
-rw-r--r--arch/mips/mach-mscc/reset.c17
32 files changed, 1457 insertions, 166 deletions
diff --git a/arch/mips/cpu/u-boot-spl.lds b/arch/mips/cpu/u-boot-spl.lds
index 1273b74983..be194d314b 100644
--- a/arch/mips/cpu/u-boot-spl.lds
+++ b/arch/mips/cpu/u-boot-spl.lds
@@ -46,43 +46,75 @@ SECTIONS
__bss_end = .;
} > .bss_mem
- .rel.dyn (NOLOAD) : {
- *(.rel.dyn)
+ /* These mark the ABI of U-Boot for debuggers. */
+ .mdebug.abi32 : {
+ KEEP(*(.mdebug.abi32))
}
-
- .dynsym : {
- *(.dynsym)
- }
-
- .dynbss : {
- *(.dynbss)
- }
-
- .dynstr : {
- *(.dynstr)
- }
-
- .dynamic : {
- *(.dynamic)
+ .mdebug.abi64 : {
+ KEEP(*(.mdebug.abi64))
}
- .plt : {
- *(.plt)
+ /* This is the MIPS specific mdebug section. */
+ .mdebug : { *(.mdebug) }
+
+ /* Stabs debugging sections. */
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ .stab.excl 0 : { *(.stab.excl) }
+ .stab.exclstr 0 : { *(.stab.exclstr) }
+ .stab.index 0 : { *(.stab.index) }
+ .stab.indexstr 0 : { *(.stab.indexstr) }
+ .comment 0 : { *(.comment) }
+
+ /*
+ * DWARF debug sections.
+ * Symbols in the DWARF debugging sections are relative to
+ * the beginning of the section so we begin them at 0.
+ */
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+ /* DWARF 2 */
+ .debug_info 0 : {
+ *(.debug_info
+ .gnu.linkonce.wi.*)
}
-
- .interp : {
- *(.interp)
- }
-
- .gnu : {
- *(.gnu*)
- }
-
- .MIPS.stubs : {
- *(.MIPS.stubs)
- }
-
- .hash : {
- *(.hash)
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+ .debug_pubtypes 0 : { *(.debug_pubtypes) }
+ /* DWARF 3 */
+ .debug_ranges 0 : { *(.debug_ranges) }
+ /* SGI/MIPS DWARF 2 extensions */
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+ /* GNU DWARF 2 extensions */
+ .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+ .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+ /* DWARF 4 */
+ .debug_types 0 : { *(.debug_types) }
+ /* DWARF 5 */
+ .debug_macro 0 : { *(.debug_macro) }
+ .debug_addr 0 : { *(.debug_addr) }
+
+ /DISCARD/ : {
+ /* ABI crap starts here */
+ *(.MIPS.abiflags)
+ *(.MIPS.options)
+ *(.options)
+ *(.pdr)
+ *(.reginfo)
+ *(.eh_frame)
}
}
diff --git a/arch/mips/cpu/u-boot.lds b/arch/mips/cpu/u-boot.lds
index fd0f1b5d4f..86496737d3 100644
--- a/arch/mips/cpu/u-boot.lds
+++ b/arch/mips/cpu/u-boot.lds
@@ -68,39 +68,75 @@ SECTIONS
__bss_end = .;
}
- .dynsym _end : {
- *(.dynsym)
- }
-
- .dynbss : {
- *(.dynbss)
- }
-
- .dynstr : {
- *(.dynstr)
- }
-
- .dynamic : {
- *(.dynamic)
- }
-
- .plt : {
- *(.plt)
- }
-
- .interp : {
- *(.interp)
- }
-
- .gnu : {
- *(.gnu*)
- }
-
- .MIPS.stubs : {
- *(.MIPS.stubs)
- }
-
- .hash : {
- *(.hash)
+ /* These mark the ABI of U-Boot for debuggers. */
+ .mdebug.abi32 : {
+ KEEP(*(.mdebug.abi32))
+ }
+ .mdebug.abi64 : {
+ KEEP(*(.mdebug.abi64))
+ }
+
+ /* This is the MIPS specific mdebug section. */
+ .mdebug : { *(.mdebug) }
+
+ /* Stabs debugging sections. */
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ .stab.excl 0 : { *(.stab.excl) }
+ .stab.exclstr 0 : { *(.stab.exclstr) }
+ .stab.index 0 : { *(.stab.index) }
+ .stab.indexstr 0 : { *(.stab.indexstr) }
+ .comment 0 : { *(.comment) }
+
+ /*
+ * DWARF debug sections.
+ * Symbols in the DWARF debugging sections are relative to
+ * the beginning of the section so we begin them at 0.
+ */
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+ /* DWARF 2 */
+ .debug_info 0 : {
+ *(.debug_info
+ .gnu.linkonce.wi.*)
+ }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+ .debug_pubtypes 0 : { *(.debug_pubtypes) }
+ /* DWARF 3 */
+ .debug_ranges 0 : { *(.debug_ranges) }
+ /* SGI/MIPS DWARF 2 extensions */
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+ /* GNU DWARF 2 extensions */
+ .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+ .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+ /* DWARF 4 */
+ .debug_types 0 : { *(.debug_types) }
+ /* DWARF 5 */
+ .debug_macro 0 : { *(.debug_macro) }
+ .debug_addr 0 : { *(.debug_addr) }
+
+ /DISCARD/ : {
+ /* ABI crap starts here */
+ *(.MIPS.abiflags)
+ *(.MIPS.options)
+ *(.options)
+ *(.pdr)
+ *(.reginfo)
+ *(.eh_frame)
}
}
diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile
index 647d2bf0d5..1484db92c8 100644
--- a/arch/mips/dts/Makefile
+++ b/arch/mips/dts/Makefile
@@ -17,6 +17,9 @@ dtb-$(CONFIG_BOARD_NETGEAR_DGND3700V2) += netgear,dgnd3700v2.dtb
dtb-$(CONFIG_BOARD_SAGEM_FAST1704) += sagem,f@st1704.dtb
dtb-$(CONFIG_BOARD_TPLINK_WDR4300) += tplink_wdr4300.dtb
dtb-$(CONFIG_TARGET_JZ4780_CI20) += ci20.dtb
+dtb-$(CONFIG_SOC_LUTON) += luton_pcb090.dtb luton_pcb091.dtb
+dtb-$(CONFIG_SOC_OCELOT) += ocelot_pcb120.dtb ocelot_pcb123.dtb
+dtb-$(CONFIG_SOC_JR2) += jr2_pcb110.dtb jr2_pcb111.dtb serval2_pcb112.dtb
targets += $(dtb-y)
diff --git a/arch/mips/dts/gardena-smart-gateway-mt7688.dts b/arch/mips/dts/gardena-smart-gateway-mt7688.dts
index d8d88686bb..75f6037e96 100644
--- a/arch/mips/dts/gardena-smart-gateway-mt7688.dts
+++ b/arch/mips/dts/gardena-smart-gateway-mt7688.dts
@@ -34,7 +34,7 @@
power_green {
label = "smartgw:power:green";
gpios = <&gpio0 19 GPIO_ACTIVE_HIGH>;
- default-state = "off";
+ default-state = "on";
};
power_red {
diff --git a/arch/mips/dts/jr2_pcb110.dts b/arch/mips/dts/jr2_pcb110.dts
new file mode 100644
index 0000000000..ddc30ff76a
--- /dev/null
+++ b/arch/mips/dts/jr2_pcb110.dts
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+/dts-v1/;
+#include "mscc,jr2.dtsi"
+
+/ {
+ model = "Jaguar2 Cu8-Sfp16 PCB110 Reference Board";
+ compatible = "mscc,jr2-pcb110", "mscc,jr2";
+
+ aliases {
+ spi0 = &spi0;
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ status_green {
+ label = "pcb110:green:status";
+ gpios = <&gpio 12 0>;
+ default-state = "on";
+ };
+
+ status_red {
+ label = "pcb110:red:status";
+ gpios = <&gpio 13 0>;
+ default-state = "off";
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&spi0 {
+ status = "okay";
+ spi-flash@0 {
+ compatible = "spi-flash";
+ spi-max-frequency = <18000000>; /* input clock */
+ reg = <0>; /* CS0 */
+ };
+};
+
+&gpio {
+ /* SPIO only use DO, CLK, no inputs */
+ sgpio1_pins: sgpio1-pins {
+ pins = "GPIO_4", "GPIO_5";
+ function = "sg1";
+ };
+};
+
+&sgpio {
+ status = "okay";
+ sgpio-ports = <0x00ffffff>;
+};
+
+&sgpio1 {
+ status = "okay";
+ sgpio-ports = <0x00ff0000>;
+};
+
+&sgpio2 {
+ status = "okay";
+ sgpio-ports = <0x3f00ffff>;
+ gpio-ranges = <&sgpio2 0 0 96>;
+};
diff --git a/arch/mips/dts/jr2_pcb111.dts b/arch/mips/dts/jr2_pcb111.dts
new file mode 100644
index 0000000000..4d411b6dc4
--- /dev/null
+++ b/arch/mips/dts/jr2_pcb111.dts
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+/dts-v1/;
+#include "mscc,jr2.dtsi"
+
+/ {
+ model = "Jaguar2 Cu48 PCB111 Reference Board";
+ compatible = "mscc,jr2-pcb111", "mscc,jr2";
+
+ aliases {
+ spi0 = &spi0;
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ status_green {
+ label = "pcb111:green:status";
+ gpios = <&gpio 12 0>;
+ default-state = "on";
+ };
+
+ status_red {
+ label = "pcb111:red:status";
+ gpios = <&gpio 13 0>;
+ default-state = "off";
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&spi0 {
+ status = "okay";
+ spi-flash@0 {
+ compatible = "spi-flash";
+ spi-max-frequency = <18000000>; /* input clock */
+ reg = <0>; /* CS0 */
+ };
+};
+
+&gpio {
+ /* SPIO only use DO, CLK, no inputs */
+ sgpio1_pins: sgpio1-pins {
+ pins = "GPIO_4", "GPIO_5";
+ function = "sg1";
+ };
+};
+
+&sgpio {
+ status = "okay";
+ sgpio-ports = <0xffffffff>;
+};
+
+&sgpio1 {
+ status = "okay";
+ sgpio-ports = <0x001effff>;
+};
+
+&sgpio2 {
+ status = "okay";
+ sgpio-ports = <0xff000000>;
+ gpio-ranges = <&sgpio2 0 0 96>;
+};
diff --git a/arch/mips/dts/luton_pcb090.dts b/arch/mips/dts/luton_pcb090.dts
new file mode 100644
index 0000000000..951d8da1be
--- /dev/null
+++ b/arch/mips/dts/luton_pcb090.dts
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+/dts-v1/;
+#include "mscc,luton.dtsi"
+
+/ {
+ model = "Luton26 PCB090 Reference Board";
+ compatible = "mscc,luton-pcb090", "mscc,luton";
+
+ aliases {
+ serial0 = &uart0;
+ spi0 = &spi0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ status_green {
+ label = "pcb090:green:status";
+ gpios = <&sgpio 64 GPIO_ACTIVE_HIGH>; /* p0.2 */
+ default-state = "on";
+ };
+
+ status_red {
+ label = "pcb090:red:status";
+ gpios = <&sgpio 65 GPIO_ACTIVE_HIGH>; /* p1.2 */
+ default-state = "off";
+ };
+ };
+};
+
+&sgpio {
+ status = "okay";
+ gpio-ranges = <&sgpio 0 0 96>;
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&spi0 {
+ status = "okay";
+ spi-flash@0 {
+ compatible = "spi-flash";
+ spi-max-frequency = <18000000>; /* input clock */
+ reg = <0>; /* CS0 */
+ spi-cs-high;
+ };
+};
+
diff --git a/arch/mips/dts/luton_pcb091.dts b/arch/mips/dts/luton_pcb091.dts
index 74f9274c21..bf638b2bc7 100644
--- a/arch/mips/dts/luton_pcb091.dts
+++ b/arch/mips/dts/luton_pcb091.dts
@@ -18,6 +18,33 @@
chosen {
stdout-path = "serial0:115200n8";
};
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ top_dimmer {
+ label = "pcb091:top:dimmer";
+ gpios = <&gpio 29 GPIO_ACTIVE_LOW>;
+ default-state = "on";
+ };
+
+ status_green {
+ label = "pcb091:green:status";
+ gpios = <&sgpio 26 GPIO_ACTIVE_HIGH>; /* p26.0 */
+ default-state = "on";
+ };
+
+ status_red {
+ label = "pcb091:red:status";
+ gpios = <&sgpio 58 GPIO_ACTIVE_HIGH>; /* p26.1 */
+ default-state = "off";
+ };
+ };
+};
+
+&sgpio {
+ status = "okay";
+ mscc,sgpio-ports = <0xFFF000FF>;
};
&uart0 {
diff --git a/arch/mips/dts/mscc,jr2.dtsi b/arch/mips/dts/mscc,jr2.dtsi
new file mode 100644
index 0000000000..090092607b
--- /dev/null
+++ b/arch/mips/dts/mscc,jr2.dtsi
@@ -0,0 +1,187 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "mscc,jr2";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ compatible = "mips,mips24KEc";
+ device_type = "cpu";
+ clocks = <&cpu_clk>;
+ reg = <0>;
+ };
+ };
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ cpuintc: interrupt-controller@0 {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ compatible = "mti,cpu-interrupt-controller";
+ };
+
+ cpu_clk: cpu-clock {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <500000000>;
+ };
+
+ ahb_clk: ahb-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <250000000>;
+ };
+
+ ahb {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x70000000 0x2000000>;
+
+ interrupt-parent = <&intc>;
+
+ cpu_ctrl: syscon@0 {
+ compatible = "mscc,jr2-cpu-syscon", "syscon";
+ reg = <0x0 0x2c>;
+ };
+
+ intc: interrupt-controller@70 {
+ compatible = "mscc,jr2-icpu-intr";
+ reg = <0x70 0x94>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ interrupt-parent = <&cpuintc>;
+ interrupts = <2>;
+ };
+
+ uart0: serial@100000 {
+ pinctrl-0 = <&uart_pins>;
+ pinctrl-names = "default";
+ compatible = "ns16550a";
+ reg = <0x100000 0x20>;
+ interrupts = <6>;
+ clocks = <&ahb_clk>;
+ reg-io-width = <4>;
+ reg-shift = <2>;
+
+ status = "disabled";
+ };
+
+ uart2: serial@100800 {
+ pinctrl-0 = <&uart2_pins>;
+ pinctrl-names = "default";
+ compatible = "ns16550a";
+ reg = <0x100800 0x20>;
+ interrupts = <7>;
+ clocks = <&ahb_clk>;
+ reg-io-width = <4>;
+ reg-shift = <2>;
+
+ status = "disabled";
+ };
+
+ spi0: spi-master@101000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "snps,dw-apb-ssi";
+ reg = <0x101000 0x40>;
+ num-chipselect = <4>;
+ bus-num = <0>;
+ reg-io-width = <4>;
+ reg-shift = <2>;
+ spi-max-frequency = <18000000>; /* input clock */
+ clocks = <&ahb_clk>;
+
+ status = "disabled";
+ };
+
+ reset@1010008 {
+ compatible = "mscc,jr2-chip-reset";
+ reg = <0x1010008 0x4>;
+ };
+
+ gpio: pinctrl@1070034 {
+ compatible = "mscc,jaguar2-pinctrl";
+ reg = <0x1010038 0x90>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&gpio 0 0 64>;
+
+ sgpio_pins: sgpio-pins {
+ pins = "GPIO_0", "GPIO_1", "GPIO_2", "GPIO_3";
+ function = "sg0";
+ };
+
+ sgpio1_pins: sgpio1-pins {
+ pins = "GPIO_4", "GPIO_5", "GPIO_12", "GPIO_13";
+ function = "sg1";
+ };
+
+ sgpio2_pins: sgpio2-pins {
+ pins = "GPIO_30", "GPIO_31",
+ "GPIO_32", "GPIO_33";
+ function = "sg2";
+ };
+
+ uart_pins: uart-pins {
+ pins = "GPIO_10", "GPIO_11";
+ function = "uart";
+ };
+
+ uart2_pins: uart2-pins {
+ pins = "GPIO_24", "GPIO_25";
+ function = "uart2";
+ };
+ };
+
+ sgpio: gpio@1010150 {
+ compatible = "mscc,ocelot-sgpio";
+ status = "disabled";
+ pinctrl-0 = <&sgpio_pins>;
+ pinctrl-names = "default";
+ reg = <0x1010150 0x100>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&sgpio 0 0 64>;
+ gpio-bank-name = "sgpio0_";
+ sgpio-clock = <0x14>;
+ };
+
+ sgpio1: gpio@101025c {
+ compatible = "mscc,ocelot-sgpio";
+ status = "disabled";
+ pinctrl-0 = <&sgpio1_pins>;
+ pinctrl-names = "default";
+ reg = <0x101025c 0x100>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&sgpio1 0 0 64>;
+ gpio-bank-name = "sgpio1_";
+ sgpio-clock = <0x14>;
+ };
+
+ sgpio2: gpio@1010368 {
+ compatible = "mscc,ocelot-sgpio";
+ status = "disabled";
+ pinctrl-0 = <&sgpio2_pins>;
+ pinctrl-names = "default";
+ reg = <0x1010368 0x100>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&sgpio2 0 0 64>;
+ gpio-bank-name = "sgpio2_";
+ sgpio-clock = <0x14>;
+ };
+ };
+};
diff --git a/arch/mips/dts/mscc,luton.dtsi b/arch/mips/dts/mscc,luton.dtsi
index 6a4ad2a5be..d11ec4884d 100644
--- a/arch/mips/dts/mscc,luton.dtsi
+++ b/arch/mips/dts/mscc,luton.dtsi
@@ -25,6 +25,11 @@
serial0 = &uart0;
};
+ sys_clk: sys-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <250000000>;
+ };
ahb_clk: ahb-clk {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -57,28 +62,32 @@
#gpio-cells = <2>;
gpio-ranges = <&gpio 0 0 32>;
+ sgpio_pins: sgpio-pins {
+ pins = "GPIO_0", "GPIO_1", "GPIO_2", "GPIO_3";
+ function = "sio";
+ };
uart_pins: uart-pins {
pins = "GPIO_30", "GPIO_31";
function = "uart";
};
-
};
- gpio_spi_bitbang: gpio@10000064 {
- compatible = "mscc,spi-bitbang-gpio";
- reg = <0x10000064 0x4>;
+ sgpio: gpio@70130 {
+ compatible = "mscc,luton-sgpio";
+ status = "disabled";
+ clocks = <&sys_clk>;
+ pinctrl-0 = <&sgpio_pins>;
+ pinctrl-names = "default";
+ reg = <0x0070130 0x100>;
gpio-controller;
#gpio-cells = <2>;
-
+ gpio-ranges = <&sgpio 0 0 64>;
};
spi0: spi-bitbang {
- compatible = "spi-gpio";
+ compatible = "mscc,luton-bb-spi";
status = "okay";
- gpio-sck = <&gpio_spi_bitbang 6 0>;
- gpio-miso = <&gpio_spi_bitbang 0 0>;
- gpio-mosi = <&gpio_spi_bitbang 5 0>;
- cs-gpios = <&gpio_spi_bitbang 1 0>;
+ reg = <0x10000064 0x4>;
num-chipselects = <1>;
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/mips/dts/mscc,ocelot.dtsi b/arch/mips/dts/mscc,ocelot.dtsi
index 87b4736285..2592003103 100644
--- a/arch/mips/dts/mscc,ocelot.dtsi
+++ b/arch/mips/dts/mscc,ocelot.dtsi
@@ -37,6 +37,12 @@
clock-frequency = <500000000>;
};
+ sys_clk: sys-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <250000000>;
+ };
+
ahb_clk: ahb-clk {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -118,6 +124,11 @@
#gpio-cells = <2>;
gpio-ranges = <&gpio 0 0 22>;
+ sgpio_pins: sgpio-pins {
+ pins = "GPIO_0", "GPIO_1", "GPIO_2", "GPIO_3";
+ function = "sg0";
+ };
+
uart_pins: uart-pins {
pins = "GPIO_6", "GPIO_7";
function = "uart";
@@ -148,5 +159,17 @@
function = "si";
};
};
+
+ sgpio: gpio@10700f8 {
+ compatible = "mscc,ocelot-sgpio";
+ status = "disabled";
+ clocks = <&sys_clk>;
+ pinctrl-0 = <&sgpio_pins>;
+ pinctrl-names = "default";
+ reg = <0x10700f8 0x100>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&sgpio 0 0 64>;
+ };
};
};
diff --git a/arch/mips/dts/ocelot_pcb120.dts b/arch/mips/dts/ocelot_pcb120.dts
index 47d305a614..658719e684 100644
--- a/arch/mips/dts/ocelot_pcb120.dts
+++ b/arch/mips/dts/ocelot_pcb120.dts
@@ -9,4 +9,80 @@
/ {
model = "Ocelot PCB120 Reference Board";
compatible = "mscc,ocelot-pcb120", "mscc,ocelot";
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ poe_green {
+ label = "pcb120:green:poe";
+ gpios = <&sgpio 44 1>; /* p12.1 */
+ default-state = "off";
+ };
+
+ poe_red {
+ label = "pcb120:red:poe";
+ gpios = <&sgpio 12 1>; /* p12.0 */
+ default-state = "off";
+ };
+
+ alarm_green {
+ label = "pcb120:green:alarm";
+ gpios = <&sgpio 45 1>; /* p13.1 */
+ default-state = "off";
+ };
+
+ alarm_red {
+ label = "pcb120:red:alarm";
+ gpios = <&sgpio 13 1>; /* p13.0 */
+ default-state = "off";
+ };
+
+ dc_a_green {
+ label = "pcb120:green:dc_a";
+ gpios = <&sgpio 46 1>; /* p14.1 */
+ default-state = "off";
+ };
+
+ dc_a_red {
+ label = "pcb120:red:dc_a";
+ gpios = <&sgpio 14 1>; /* p14.0 */
+ default-state = "off";
+ };
+
+ dc_b_green {
+ label = "pcb120:green:dc_b";
+ gpios = <&sgpio 47 1>; /* p15.1 */
+ default-state = "off";
+ };
+
+ dc_b_red {
+ label = "pcb120:red:dc_b";
+ gpios = <&sgpio 15 1>; /* p15.0 */
+ default-state = "off";
+ };
+
+ status_green {
+ label = "pcb120:green:status";
+ gpios = <&sgpio 48 1>; /* p16.1 */
+ default-state = "on";
+ };
+
+ status_red {
+ label = "pcb120:red:alarm";
+ gpios = <&sgpio 16 1>; /* p16.0 */
+ default-state = "off";
+ };
+
+ };
+
+};
+
+&sgpio {
+ status = "okay";
+ mscc,sgpio-ports = <0x000FFFFF>;
};
+
diff --git a/arch/mips/dts/ocelot_pcb123.dts b/arch/mips/dts/ocelot_pcb123.dts
index 17d8d326ce..c4cb7a1194 100644
--- a/arch/mips/dts/ocelot_pcb123.dts
+++ b/arch/mips/dts/ocelot_pcb123.dts
@@ -9,4 +9,29 @@
/ {
model = "Ocelot PCB123 Reference Board";
compatible = "mscc,ocelot-pcb123", "mscc,ocelot";
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ status_green {
+ label = "pcb123:green:status";
+ gpios = <&sgpio 43 1>; /* p11.1 */
+ default-state = "on";
+ };
+
+ status_red {
+ label = "pcb123:red:status";
+ gpios = <&sgpio 11 1>; /* p11.0 */
+ default-state = "off";
+ };
+ };
+};
+
+&sgpio {
+ status = "okay";
+ mscc,sgpio-ports = <0x00FFFFFF>;
};
diff --git a/arch/mips/dts/serval2_pcb112.dts b/arch/mips/dts/serval2_pcb112.dts
new file mode 100644
index 0000000000..fe025f4c42
--- /dev/null
+++ b/arch/mips/dts/serval2_pcb112.dts
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+/dts-v1/;
+#include "mscc,jr2.dtsi"
+
+/ {
+ model = "Serval2 NID PCB112 Reference Board";
+ compatible = "mscc,serval2-pcb110", "mscc,jr2";
+
+ aliases {
+ spi0 = &spi0;
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ status_green {
+ label = "pcb110:green:status";
+ gpios = <&gpio 12 0>;
+ default-state = "on";
+ };
+
+ status_red {
+ label = "pcb110:red:status";
+ gpios = <&gpio 13 0>;
+ default-state = "off";
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&spi0 {
+ status = "okay";
+ spi-flash@0 {
+ compatible = "spi-flash";
+ spi-max-frequency = <18000000>; /* input clock */
+ reg = <0>; /* CS0 */
+ };
+};
+
+&sgpio {
+ status = "okay";
+ sgpio-ports = <0x0000ffff>;
+};
+
+&sgpio2 {
+ status = "okay";
+ sgpio-ports = <0x3fe0ffff>;
+};
diff --git a/arch/mips/mach-jz47xx/jz4780/u-boot-spl.lds b/arch/mips/mach-jz47xx/jz4780/u-boot-spl.lds
deleted file mode 100644
index 347cabc450..0000000000
--- a/arch/mips/mach-jz47xx/jz4780/u-boot-spl.lds
+++ /dev/null
@@ -1,50 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-
-MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\
- LENGTH = CONFIG_SPL_MAX_SIZE }
-MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \
- LENGTH = CONFIG_SPL_BSS_MAX_SIZE }
-
-OUTPUT_ARCH(mips)
-ENTRY(_start)
-SECTIONS
-{
- .text :
- {
- __image_copy_start = .;
- arch/mips/mach-jz47xx/start.o (.text*)
- *(.text*)
- } >.sram
-
- . = ALIGN(4);
- .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram
-
- . = ALIGN(4);
- .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram
-
- . = ALIGN(4);
- __image_copy_end = .;
-
- .bss : {
- . = ALIGN(4);
- __bss_start = .;
- *(.sbss.*)
- *(.bss.*)
- *(COMMON)
- . = ALIGN(4);
- __bss_end = .;
- } >.sdram
-
- /DISCARD/ : {
- *(.dynbss)
- *(.dynstr)
- *(.dynamic)
- *(.interp)
- *(.hash)
- *(.gnu.*)
- *(.plt)
- *(.got.plt)
- *(.rel.plt)
- *(.rel.dyn)
- }
-}
diff --git a/arch/mips/mach-mscc/Kconfig b/arch/mips/mach-mscc/Kconfig
index 0e35b77c9d..fc6aa037dd 100644
--- a/arch/mips/mach-mscc/Kconfig
+++ b/arch/mips/mach-mscc/Kconfig
@@ -15,47 +15,36 @@ config SOC_VCOREIII
config SYS_SOC
default "mscc"
+choice
+
+ prompt "SOC Family Variant"
+
config SOC_OCELOT
- bool
+ bool "Ocelot SOC Family"
select SOC_VCOREIII
+ select DESIGNWARE_SPI
help
This supports MSCC Ocelot family of SOCs.
config SOC_LUTON
- bool
+ bool "Luton SOC Family"
select SOC_VCOREIII
+ select MSCC_BITBANG_SPI_GPIO
help
This supports MSCC Luton family of SOCs.
-config SYS_CONFIG_NAME
- default "vcoreiii"
-
-choice
- prompt "Board select"
-
-config TARGET_OCELOT_PCB120
- bool "MSCC PCB120 Reference Board (aka VSC5635EV)"
- select SOC_OCELOT
- help
- When selected, CONFIG_DEFAULT_DEVICE_TREE should be set to
- ocelot_pcb120
-
-config TARGET_OCELOT_PCB123
- bool "MSCC PCB123 Reference Board (aka VSC7514EV))"
- select SOC_OCELOT
+config SOC_JR2
+ bool "Jaguar2 SOC Family"
+ select SOC_VCOREIII
+ select DESIGNWARE_SPI
help
- When selected, CONFIG_DEFAULT_DEVICE_TREE should be set to
- ocelot_pcb123
+ This supports MSCC Jaguar2 family of SOCs.
-config TARGET_LUTON_PCB091
- bool "MSCC PCB091 Reference Board"
- select SOC_LUTON
- select MSCC_BITBANG_SPI_GPIO
- help
- When selected, CONFIG_DEFAULT_DEVICE_TREE should be set to
- luton_pcb091
endchoice
+config SYS_CONFIG_NAME
+ default "vcoreiii"
+
choice
prompt "DDR type"
@@ -83,4 +72,6 @@ source "board/mscc/ocelot/Kconfig"
source "board/mscc/luton/Kconfig"
+source "board/mscc/jr2/Kconfig"
+
endmenu
diff --git a/arch/mips/mach-mscc/Makefile b/arch/mips/mach-mscc/Makefile
index 6c60f26ca4..f5b6968fbc 100644
--- a/arch/mips/mach-mscc/Makefile
+++ b/arch/mips/mach-mscc/Makefile
@@ -2,5 +2,6 @@
CFLAGS_cpu.o += -finline-limit=64000
-obj-y += cpu.o dram.o reset.o lowlevel_init.o
-obj-$(CONFIG_SOC_LUTON) += lowlevel_init_luton.o
+obj-y += cpu.o dram.o reset.o phy.o lowlevel_init.o
+obj-$(CONFIG_SOC_LUTON) += lowlevel_init_luton.o gpio.o
+obj-$(CONFIG_SOC_OCELOT) += gpio.o
diff --git a/arch/mips/mach-mscc/cpu.c b/arch/mips/mach-mscc/cpu.c
index 5be8ff69d5..4729b7aede 100644
--- a/arch/mips/mach-mscc/cpu.c
+++ b/arch/mips/mach-mscc/cpu.c
@@ -87,8 +87,15 @@ int mach_cpu_init(void)
ICPU_SPI_MST_CFG_CS_DESELECT_TIME(0x19) +
ICPU_SPI_MST_CFG_CLK_DIV(9), BASE_CFG + ICPU_SPI_MST_CFG);
#else
+#ifdef CONFIG_SOC_OCELOT
writel(ICPU_SPI_MST_CFG_CS_DESELECT_TIME(0x19) +
ICPU_SPI_MST_CFG_CLK_DIV(9), BASE_CFG + ICPU_SPI_MST_CFG);
+#endif
+#ifdef CONFIG_SOC_JR2
+ writel(ICPU_SPI_MST_CFG_FAST_READ_ENA +
+ ICPU_SPI_MST_CFG_CS_DESELECT_TIME(0x19) +
+ ICPU_SPI_MST_CFG_CLK_DIV(14), BASE_CFG + ICPU_SPI_MST_CFG);
+#endif
/*
* Legacy and mainline linux kernel expect that the
* interruption map was set as it was done by redboot.
diff --git a/arch/mips/mach-mscc/dram.c b/arch/mips/mach-mscc/dram.c
index 309007c14e..8002e076cb 100644
--- a/arch/mips/mach-mscc/dram.c
+++ b/arch/mips/mach-mscc/dram.c
@@ -19,7 +19,7 @@ static inline int vcoreiii_train_bytelane(void)
ret = hal_vcoreiii_train_bytelane(0);
-#ifdef CONFIG_SOC_OCELOT
+#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2)
if (ret)
return ret;
ret = hal_vcoreiii_train_bytelane(1);
diff --git a/arch/mips/mach-mscc/gpio.c b/arch/mips/mach-mscc/gpio.c
new file mode 100644
index 0000000000..5e3a53372d
--- /dev/null
+++ b/arch/mips/mach-mscc/gpio.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+void mscc_gpio_set_alternate(int gpio, int mode)
+{
+ u32 mask = BIT(gpio);
+ u32 val0, val1;
+
+ val0 = readl(BASE_DEVCPU_GCB + GPIO_ALT(0));
+ val1 = readl(BASE_DEVCPU_GCB + GPIO_ALT(1));
+
+ if (mode == 1) {
+ val0 |= mask;
+ val1 &= ~mask;
+ } else if (mode == 2) {
+ val0 &= ~mask;
+ val1 |= mask;
+ } else if (mode == 3) {
+ val0 |= mask;
+ val1 |= mask;
+ } else {
+ val0 &= ~mask;
+ val1 &= ~mask;
+ }
+
+ writel(val0, BASE_DEVCPU_GCB + GPIO_ALT(0));
+ writel(val1, BASE_DEVCPU_GCB + GPIO_ALT(1));
+}
diff --git a/arch/mips/mach-mscc/include/mach/common.h b/arch/mips/mach-mscc/include/mach/common.h
index 931ecd7985..b9e09396a4 100644
--- a/arch/mips/mach-mscc/include/mach/common.h
+++ b/arch/mips/mach-mscc/include/mach/common.h
@@ -9,11 +9,18 @@
#if defined(CONFIG_SOC_OCELOT)
#include <mach/ocelot/ocelot.h>
#include <mach/ocelot/ocelot_devcpu_gcb.h>
+#include <mach/ocelot/ocelot_devcpu_gcb_miim_regs.h>
#include <mach/ocelot/ocelot_icpu_cfg.h>
#elif defined(CONFIG_SOC_LUTON)
#include <mach/luton/luton.h>
#include <mach/luton/luton_devcpu_gcb.h>
+#include <mach/luton/luton_devcpu_gcb_miim_regs.h>
#include <mach/luton/luton_icpu_cfg.h>
+#elif defined(CONFIG_SOC_JR2)
+#include <mach/jr2/jr2.h>
+#include <mach/jr2/jr2_devcpu_gcb.h>
+#include <mach/jr2/jr2_devcpu_gcb_miim_regs.h>
+#include <mach/jr2/jr2_icpu_cfg.h>
#else
#error Unsupported platform
#endif
@@ -25,4 +32,62 @@
#define VCOREIII_TIMER_DIVIDER 25 /* Clock tick ~ 0.1 us */
+/* Common utility functions */
+
+/*
+ * Perform a number of NOP instructions, blocks of 8 instructions.
+ * The (inlined) function will not affect cache or processor state.
+ */
+static inline void mscc_vcoreiii_nop_delay(int delay)
+{
+ while (delay > 0) {
+#define DELAY_8_NOPS() asm volatile("nop; nop; nop; nop; nop; nop; nop; nop;")
+ switch (delay) {
+ case 8:
+ DELAY_8_NOPS();
+ /* fallthrough */
+ case 7:
+ DELAY_8_NOPS();
+ /* fallthrough */
+ case 6:
+ DELAY_8_NOPS();
+ /* fallthrough */
+ case 5:
+ DELAY_8_NOPS();
+ /* fallthrough */
+ case 4:
+ DELAY_8_NOPS();
+ /* fallthrough */
+ case 3:
+ DELAY_8_NOPS();
+ /* fallthrough */
+ case 2:
+ DELAY_8_NOPS();
+ /* fallthrough */
+ case 1:
+ DELAY_8_NOPS();
+ }
+ delay -= 8;
+#undef DELAY_8_NOPS
+ }
+}
+
+int mscc_phy_rd_wr(u8 read,
+ u32 miim_controller,
+ u8 miim_addr,
+ u8 addr,
+ u16 *value);
+
+int mscc_phy_rd(u32 miim_controller,
+ u8 miim_addr,
+ u8 addr,
+ u16 *value);
+
+int mscc_phy_wr(u32 miim_controller,
+ u8 miim_addr,
+ u8 addr,
+ u16 value);
+
+void mscc_gpio_set_alternate(int gpio, int mode);
+
#endif /* __ASM_MACH_COMMON_H */
diff --git a/arch/mips/mach-mscc/include/mach/ddr.h b/arch/mips/mach-mscc/include/mach/ddr.h
index f445e63a35..7552acb2df 100644
--- a/arch/mips/mach-mscc/include/mach/ddr.h
+++ b/arch/mips/mach-mscc/include/mach/ddr.h
@@ -161,7 +161,7 @@
#endif
-#ifdef CONFIG_SOC_OCELOT
+#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2)
#define MIPS_VCOREIII_MEMORY_16BIT 1
#endif
@@ -239,7 +239,7 @@
ICPU_MEMCTRL_CFG_MSB_ROW_ADDR(VC3_MPAR_row_addr_cnt - 1) | \
ICPU_MEMCTRL_CFG_MSB_COL_ADDR(VC3_MPAR_col_addr_cnt - 1)
-#ifdef CONFIG_SOC_OCELOT
+#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2)
#define MSCC_MEMPARM_PERIOD \
ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF(8) | \
ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD(VC3_MPAR_tREFI)
@@ -378,7 +378,7 @@ static inline void memphy_soft_reset(void)
PAUSE();
}
-#ifdef CONFIG_SOC_OCELOT
+#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2)
static u8 training_data[] = { 0xfe, 0x11, 0x33, 0x55, 0x77, 0x99, 0xbb, 0xdd };
static inline void sleep_100ns(u32 val)
@@ -398,6 +398,7 @@ static inline void sleep_100ns(u32 val)
;
}
+#if defined(CONFIG_SOC_OCELOT)
static inline void hal_vcoreiii_ddr_reset_assert(void)
{
/* DDR has reset pin on GPIO 19 toggle Low-High to release */
@@ -448,6 +449,26 @@ static inline void hal_vcoreiii_ddr_failed(void)
panic("DDR init failed\n");
}
+#else /* JR2 */
+static inline void hal_vcoreiii_ddr_reset_assert(void)
+{
+ /* Ensure the memory controller physical iface is forced reset */
+ writel(readl(BASE_CFG + ICPU_MEMPHY_CFG) |
+ ICPU_MEMPHY_CFG_PHY_RST, BASE_CFG + ICPU_MEMPHY_CFG);
+
+ /* Ensure the memory controller is forced reset */
+ writel(readl(BASE_CFG + ICPU_RESET) |
+ ICPU_RESET_MEM_RST_FORCE, BASE_CFG + ICPU_RESET);
+}
+
+static inline void hal_vcoreiii_ddr_failed(void)
+{
+ writel(0, BASE_CFG + ICPU_RESET);
+ writel(PERF_SOFT_RST_SOFT_CHIP_RST, BASE_CFG + PERF_SOFT_RST);
+
+ panic("DDR init failed\n");
+}
+#endif
/*
* DDR memory sanity checking done, possibly enable ECC.
@@ -738,7 +759,7 @@ static inline void hal_vcoreiii_init_memctl(void)
/* Wait for ZCAL to clear */
while (readl(BASE_CFG + ICPU_MEMPHY_ZCAL) & ICPU_MEMPHY_ZCAL_ZCAL_ENA)
;
-#ifdef CONFIG_SOC_OCELOT
+#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2)
/* Check no ZCAL_ERR */
if (readl(BASE_CFG + ICPU_MEMPHY_ZCAL_STAT)
& ICPU_MEMPHY_ZCAL_STAT_ZCAL_ERR)
@@ -752,7 +773,7 @@ static inline void hal_vcoreiii_init_memctl(void)
writel(MSCC_MEMPARM_MEMCFG, BASE_CFG + ICPU_MEMCTRL_CFG);
writel(MSCC_MEMPARM_PERIOD, BASE_CFG + ICPU_MEMCTRL_REF_PERIOD);
-#ifdef CONFIG_SOC_OCELOT
+#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2)
writel(MSCC_MEMPARM_TIMING0, BASE_CFG + ICPU_MEMCTRL_TIMING0);
#else /* Luton */
clrbits_le32(BASE_CFG + ICPU_MEMCTRL_TIMING0, ((1 << 20) - 1));
@@ -767,7 +788,7 @@ static inline void hal_vcoreiii_init_memctl(void)
writel(MSCC_MEMPARM_MR2, BASE_CFG + ICPU_MEMCTRL_MR2_VAL);
writel(MSCC_MEMPARM_MR3, BASE_CFG + ICPU_MEMCTRL_MR3_VAL);
-#ifdef CONFIG_SOC_OCELOT
+#if defined(CONFIG_SOC_OCELOT)
/* Termination setup - enable ODT */
writel(ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_ENA |
/* Assert ODT0 for any write */
@@ -778,6 +799,9 @@ static inline void hal_vcoreiii_init_memctl(void)
hal_vcoreiii_ddr_reset_release();
writel(readl(BASE_CFG + ICPU_GPR(7)) + 1, BASE_CFG + ICPU_GPR(7));
+#elif defined(CONFIG_SOC_JR2)
+ writel(ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA(3),
+ BASE_CFG + ICPU_MEMCTRL_TERMRES_CTRL);
#else /* Luton */
/* Termination setup - disable ODT */
writel(0, BASE_CFG + ICPU_MEMCTRL_TERMRES_CTRL);
@@ -796,7 +820,7 @@ static inline void hal_vcoreiii_wait_memctl(void)
/* Settle...? */
sleep_100ns(10000);
-#ifdef CONFIG_SOC_OCELOT
+#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2)
/* Establish data contents in DDR RAM for training */
__raw_writel(0xcacafefe, ((void __iomem *)MSCC_DDR_TO));
diff --git a/arch/mips/mach-mscc/include/mach/jr2/jr2.h b/arch/mips/mach-mscc/include/mach/jr2/jr2.h
new file mode 100644
index 0000000000..67244f63fa
--- /dev/null
+++ b/arch/mips/mach-mscc/include/mach/jr2/jr2.h
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Microsemi Jaguar2 Switch driver
+ *
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#ifndef _MSCC_JR2_H_
+#define _MSCC_JR2_H_
+
+#include <linux/bitops.h>
+#include <dm.h>
+
+/*
+ * Target offset base(s)
+ */
+#define MSCC_IO_ORIGIN1_OFFSET 0x70000000
+#define MSCC_IO_ORIGIN1_SIZE 0x00200000
+#define MSCC_IO_ORIGIN2_OFFSET 0x71000000
+#define MSCC_IO_ORIGIN2_SIZE 0x01000000
+#define BASE_CFG ((void __iomem *)0x70000000)
+#define BASE_DEVCPU_GCB ((void __iomem *)0x71010000)
+
+#endif
diff --git a/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb.h b/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb.h
new file mode 100644
index 0000000000..4a1228d29f
--- /dev/null
+++ b/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb.h
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#ifndef _MSCC_JR2_DEVCPU_GCB_H_
+#define _MSCC_JR2_DEVCPU_GCB_H_
+
+#define PERF_GPR 0x4
+
+#define PERF_SOFT_RST 0x8
+
+#define PERF_SOFT_RST_SOFT_NON_CFG_RST BIT(2)
+#define PERF_SOFT_RST_SOFT_SWC_RST BIT(1)
+#define PERF_SOFT_RST_SOFT_CHIP_RST BIT(0)
+
+#define GPIO_GPIO_ALT(x) (0x78 + 4 * (x))
+#define GPIO_GPIO_ALT1(x) (0x80 + 4 * (x))
+
+#endif
diff --git a/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb_miim_regs.h b/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb_miim_regs.h
new file mode 100644
index 0000000000..3c84edc18a
--- /dev/null
+++ b/arch/mips/mach-mscc/include/mach/jr2/jr2_devcpu_gcb_miim_regs.h
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#ifndef _MSCC_JR2_DEVCPU_GCB_MIIM_REGS_H_
+#define _MSCC_JR2_DEVCPU_GCB_MIIM_REGS_H_
+
+#define MIIM_MII_STATUS(gi) (0xc8 + (gi * 36))
+#define MIIM_MII_CMD(gi) (0xd0 + (gi * 36))
+#define MIIM_MII_DATA(gi) (0xd4 + (gi * 36))
+
+#define MSCC_F_MII_STATUS_MIIM_STAT_BUSY(x) ((x) ? BIT(3) : 0)
+
+#define MSCC_F_MII_CMD_MIIM_CMD_VLD(x) ((x) ? BIT(31) : 0)
+#define MSCC_F_MII_CMD_MIIM_CMD_PHYAD(x) (GENMASK(29, 25) & ((x) << 25))
+#define MSCC_F_MII_CMD_MIIM_CMD_REGAD(x) (GENMASK(24, 20) & ((x) << 20))
+#define MSCC_F_MII_CMD_MIIM_CMD_WRDATA(x) (GENMASK(19, 4) & ((x) << 4))
+#define MSCC_F_MII_CMD_MIIM_CMD_OPR_FIELD(x) (GENMASK(2, 1) & ((x) << 1))
+#define MSCC_F_MII_CMD_MIIM_CMD_SCAN(x) ((x) ? BIT(0) : 0)
+
+#define MSCC_M_MII_DATA_MIIM_DATA_SUCCESS GENMASK(17, 16)
+#define MSCC_X_MII_DATA_MIIM_DATA_RDDATA(x) (((x) >> 0) & GENMASK(15, 0))
+
+#endif
diff --git a/arch/mips/mach-mscc/include/mach/jr2/jr2_icpu_cfg.h b/arch/mips/mach-mscc/include/mach/jr2/jr2_icpu_cfg.h
new file mode 100644
index 0000000000..6e0bbe2746
--- /dev/null
+++ b/arch/mips/mach-mscc/include/mach/jr2/jr2_icpu_cfg.h
@@ -0,0 +1,321 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#ifndef _MSCC_JR2_ICPU_CFG_H_
+#define _MSCC_JR2_ICPU_CFG_H_
+
+#define ICPU_GPR(x) (0x4 * (x))
+#define ICPU_GPR_RSZ 0x4
+
+#define ICPU_RESET 0x20
+
+#define ICPU_RESET_CORE_RST_CPU_ONLY BIT(3)
+#define ICPU_RESET_CORE_RST_PROTECT BIT(2)
+#define ICPU_RESET_CORE_RST_FORCE BIT(1)
+#define ICPU_RESET_MEM_RST_FORCE BIT(0)
+
+#define ICPU_GENERAL_CTRL 0x24
+
+#define ICPU_GENERAL_CTRL_CPU_BUSIF_SLEEP_DIS BIT(15)
+#define ICPU_GENERAL_CTRL_CPU_BUSIF_WERR_ENA BIT(14)
+#define ICPU_GENERAL_CTRL_CPU_8051_IROM_ENA BIT(13)
+#define ICPU_GENERAL_CTRL_CPU_MIPS_DIS BIT(12)
+#define ICPU_GENERAL_CTRL_IF_MIIM_SLV_ENA BIT(11)
+#define ICPU_GENERAL_CTRL_IF_PI_SLV_DONEPOL BIT(10)
+#define ICPU_GENERAL_CTRL_IF_PI_MST_ENA BIT(9)
+#define ICPU_GENERAL_CTRL_IF_PI_SLV_ENA BIT(8)
+#define ICPU_GENERAL_CTRL_IF_SI_OWNER(x) (((x) << 6) & GENMASK(7, 6))
+#define ICPU_GENERAL_CTRL_IF_SI_OWNER_M GENMASK(7, 6)
+#define ICPU_GENERAL_CTRL_IF_SI_OWNER_X(x) (((x) & GENMASK(7, 6)) >> 4)
+#define ICPU_GENERAL_CTRL_IF_SI1_OWNER(x) (((x) << 4) & GENMASK(5, 4))
+#define ICPU_GENERAL_CTRL_IF_SI1_OWNER_M GENMASK(5, 4)
+#define ICPU_GENERAL_CTRL_IF_SI1_OWNER_X(x) (((x) & GENMASK(5, 4)) >> 4)
+#define ICPU_GENERAL_CTRL_SSI_MST_CONTENTION BIT(3)
+#define ICPU_GENERAL_CTRL_CPU_BE_ENA BIT(2)
+#define ICPU_GENERAL_CTRL_CPU_DIS BIT(1)
+#define ICPU_GENERAL_CTRL_BOOT_MODE_ENA BIT(0)
+
+#define ICPU_SPI_MST_CFG 0x3c
+
+#define ICPU_SPI_MST_CFG_A32B_ENA BIT(11)
+#define ICPU_SPI_MST_CFG_FAST_READ_ENA BIT(10)
+#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME(x) (((x) << 5) & GENMASK(9, 5))
+#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME_M GENMASK(9, 5)
+#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME_X(x) (((x) & GENMASK(9, 5)) >> 5)
+#define ICPU_SPI_MST_CFG_CLK_DIV(x) ((x) & GENMASK(4, 0))
+#define ICPU_SPI_MST_CFG_CLK_DIV_M GENMASK(4, 0)
+
+#define ICPU_SW_MODE 0x50
+
+#define ICPU_SW_MODE_SW_PIN_CTRL_MODE BIT(13)
+#define ICPU_SW_MODE_SW_SPI_SCK BIT(12)
+#define ICPU_SW_MODE_SW_SPI_SCK_OE BIT(11)
+#define ICPU_SW_MODE_SW_SPI_SDO BIT(10)
+#define ICPU_SW_MODE_SW_SPI_SDO_OE BIT(9)
+#define ICPU_SW_MODE_SW_SPI_CS(x) (((x) << 5) & GENMASK(8, 5))
+#define ICPU_SW_MODE_SW_SPI_CS_M GENMASK(8, 5)
+#define ICPU_SW_MODE_SW_SPI_CS_X(x) (((x) & GENMASK(8, 5)) >> 5)
+#define ICPU_SW_MODE_SW_SPI_CS_OE(x) (((x) << 1) & GENMASK(4, 1))
+#define ICPU_SW_MODE_SW_SPI_CS_OE_M GENMASK(4, 1)
+#define ICPU_SW_MODE_SW_SPI_CS_OE_X(x) (((x) & GENMASK(4, 1)) >> 1)
+#define ICPU_SW_MODE_SW_SPI_SDI BIT(0)
+
+#define ICPU_INTR_ENA 0x88
+
+#define ICPU_DST_INTR_MAP(x) (0x98 + 0x4 * (x))
+#define ICPU_DST_INTR_MAP_RSZ 0x4
+
+#define ICPU_TIMER_TICK_DIV 0x108
+
+#define ICPU_TIMER_VALUE(x) (0x10c + 0x4 * (x))
+#define ICPU_TIMER_VALUE_RSZ 0x4
+
+#define ICPU_TIMER_CTRL(x) (0x124 + 0x4 * (x))
+#define ICPU_TIMER_CTRL_RSZ 0x4
+
+#define ICPU_TIMER_CTRL_MAX_FREQ_ENA BIT(3)
+#define ICPU_TIMER_CTRL_ONE_SHOT_ENA BIT(2)
+#define ICPU_TIMER_CTRL_TIMER_ENA BIT(1)
+#define ICPU_TIMER_CTRL_FORCE_RELOAD BIT(0)
+
+#define ICPU_MEMCTRL_CTRL 0x130
+
+#define ICPU_MEMCTRL_CTRL_PWR_DOWN BIT(3)
+#define ICPU_MEMCTRL_CTRL_MDSET BIT(2)
+#define ICPU_MEMCTRL_CTRL_STALL_REF_ENA BIT(1)
+#define ICPU_MEMCTRL_CTRL_INITIALIZE BIT(0)
+
+#define ICPU_MEMCTRL_CFG 0x134
+
+#define ICPU_MEMCTRL_CFG_DDR_512MBYTE_PLUS BIT(16)
+#define ICPU_MEMCTRL_CFG_DDR_ECC_ERR_ENA BIT(15)
+#define ICPU_MEMCTRL_CFG_DDR_ECC_COR_ENA BIT(14)
+#define ICPU_MEMCTRL_CFG_DDR_ECC_ENA BIT(13)
+#define ICPU_MEMCTRL_CFG_DDR_WIDTH BIT(12)
+#define ICPU_MEMCTRL_CFG_DDR_MODE BIT(11)
+#define ICPU_MEMCTRL_CFG_BURST_SIZE BIT(10)
+#define ICPU_MEMCTRL_CFG_BURST_LEN BIT(9)
+#define ICPU_MEMCTRL_CFG_BANK_CNT BIT(8)
+#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR(x) (((x) << 4) & GENMASK(7, 4))
+#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR_M GENMASK(7, 4)
+#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR_X(x) (((x) & GENMASK(7, 4)) >> 4)
+#define ICPU_MEMCTRL_CFG_MSB_COL_ADDR(x) ((x) & GENMASK(3, 0))
+#define ICPU_MEMCTRL_CFG_MSB_COL_ADDR_M GENMASK(3, 0)
+
+#define ICPU_MEMCTRL_STAT 0x138
+
+#define ICPU_MEMCTRL_STAT_RDATA_MASKED BIT(5)
+#define ICPU_MEMCTRL_STAT_RDATA_DUMMY BIT(4)
+#define ICPU_MEMCTRL_STAT_RDATA_ECC_ERR BIT(3)
+#define ICPU_MEMCTRL_STAT_RDATA_ECC_COR BIT(2)
+#define ICPU_MEMCTRL_STAT_PWR_DOWN_ACK BIT(1)
+#define ICPU_MEMCTRL_STAT_INIT_DONE BIT(0)
+
+#define ICPU_MEMCTRL_REF_PERIOD 0x13c
+
+#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF(x) (((x) << 16) & GENMASK(19, 16))
+#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF_M GENMASK(19, 16)
+#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF_X(x) (((x) & GENMASK(19, 16)) >> 16)
+#define ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD(x) ((x) & GENMASK(15, 0))
+#define ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD_M GENMASK(15, 0)
+
+#define ICPU_MEMCTRL_ZQCAL 0x140
+
+#define ICPU_MEMCTRL_ZQCAL_ZQCAL_LONG BIT(1)
+#define ICPU_MEMCTRL_ZQCAL_ZQCAL_SHORT BIT(0)
+
+#define ICPU_MEMCTRL_TIMING0 0x144
+
+#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY(x) (((x) << 28) & GENMASK(31, 28))
+#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY_M GENMASK(31, 28)
+#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY_X(x) (((x) & GENMASK(31, 28)) >> 28)
+#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY(x) (((x) << 24) & GENMASK(27, 24))
+#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY_M GENMASK(27, 24)
+#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY_X(x) (((x) & GENMASK(27, 24)) >> 24)
+#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY(x) (((x) << 20) & GENMASK(23, 20))
+#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY_M GENMASK(23, 20)
+#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY_X(x) (((x) & GENMASK(23, 20)) >> 20)
+#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY(x) (((x) << 16) & GENMASK(19, 16))
+#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY_M GENMASK(19, 16)
+#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY_X(x) (((x) & GENMASK(19, 16)) >> 16)
+#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY(x) (((x) << 12) & GENMASK(15, 12))
+#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY_M GENMASK(15, 12)
+#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12)
+#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY(x) (((x) << 8) & GENMASK(11, 8))
+#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY_M GENMASK(11, 8)
+#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8)
+#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY(x) (((x) << 4) & GENMASK(7, 4))
+#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY_M GENMASK(7, 4)
+#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4)
+#define ICPU_MEMCTRL_TIMING0_RD_DATA_XFR_DLY(x) ((x) & GENMASK(3, 0))
+#define ICPU_MEMCTRL_TIMING0_RD_DATA_XFR_DLY_M GENMASK(3, 0)
+
+#define ICPU_MEMCTRL_TIMING1 0x148
+
+#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY(x) (((x) << 24) & GENMASK(31, 24))
+#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY_M GENMASK(31, 24)
+#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY_X(x) (((x) & GENMASK(31, 24)) >> 24)
+#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY(x) (((x) << 16) & GENMASK(23, 16))
+#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY_M GENMASK(23, 16)
+#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY_X(x) (((x) & GENMASK(23, 16)) >> 16)
+#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY(x) (((x) << 12) & GENMASK(15, 12))
+#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY_M GENMASK(15, 12)
+#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12)
+#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY(x) (((x) << 8) & GENMASK(11, 8))
+#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY_M GENMASK(11, 8)
+#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8)
+#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY(x) (((x) << 4) & GENMASK(7, 4))
+#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY_M GENMASK(7, 4)
+#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4)
+#define ICPU_MEMCTRL_TIMING1_WR_TO_RD_DLY(x) ((x) & GENMASK(3, 0))
+#define ICPU_MEMCTRL_TIMING1_WR_TO_RD_DLY_M GENMASK(3, 0)
+
+#define ICPU_MEMCTRL_TIMING2 0x14c
+
+#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY(x) (((x) << 28) & GENMASK(31, 28))
+#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY_M GENMASK(31, 28)
+#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY_X(x) (((x) & GENMASK(31, 28)) >> 28)
+#define ICPU_MEMCTRL_TIMING2_MDSET_DLY(x) (((x) << 24) & GENMASK(27, 24))
+#define ICPU_MEMCTRL_TIMING2_MDSET_DLY_M GENMASK(27, 24)
+#define ICPU_MEMCTRL_TIMING2_MDSET_DLY_X(x) (((x) & GENMASK(27, 24)) >> 24)
+#define ICPU_MEMCTRL_TIMING2_REF_DLY(x) (((x) << 16) & GENMASK(23, 16))
+#define ICPU_MEMCTRL_TIMING2_REF_DLY_M GENMASK(23, 16)
+#define ICPU_MEMCTRL_TIMING2_REF_DLY_X(x) (((x) & GENMASK(23, 16)) >> 16)
+#define ICPU_MEMCTRL_TIMING2_INIT_DLY(x) ((x) & GENMASK(15, 0))
+#define ICPU_MEMCTRL_TIMING2_INIT_DLY_M GENMASK(15, 0)
+
+#define ICPU_MEMCTRL_TIMING3 0x150
+
+#define ICPU_MEMCTRL_TIMING3_RMW_DLY(x) (((x) << 16) & GENMASK(19, 16))
+#define ICPU_MEMCTRL_TIMING3_RMW_DLY_M GENMASK(19, 16)
+#define ICPU_MEMCTRL_TIMING3_RMW_DLY_X(x) (((x) & GENMASK(19, 16)) >> 16)
+#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY(x) (((x) << 12) & GENMASK(15, 12))
+#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY_M GENMASK(15, 12)
+#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12)
+#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY(x) (((x) << 8) & GENMASK(11, 8))
+#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY_M GENMASK(11, 8)
+#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8)
+#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY(x) (((x) << 4) & GENMASK(7, 4))
+#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY_M GENMASK(7, 4)
+#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4)
+#define ICPU_MEMCTRL_TIMING3_WR_TO_RD_CS_CHANGE_DLY(x) ((x) & GENMASK(3, 0))
+#define ICPU_MEMCTRL_TIMING3_WR_TO_RD_CS_CHANGE_DLY_M GENMASK(3, 0)
+
+#define ICPU_MEMCTRL_TIMING4 0x154
+
+#define ICPU_MEMCTRL_TIMING4_ZQCAL_INIT_DLY(x) (((x) << 20) & GENMASK(31, 20))
+#define ICPU_MEMCTRL_TIMING4_ZQCAL_INIT_DLY_M GENMASK(31, 20)
+#define ICPU_MEMCTRL_TIMING4_ZQCAL_INIT_DLY_X(x) (((x) & GENMASK(31, 20)) >> 20)
+#define ICPU_MEMCTRL_TIMING4_ZQCAL_LONG_DLY(x) (((x) << 8) & GENMASK(19, 8))
+#define ICPU_MEMCTRL_TIMING4_ZQCAL_LONG_DLY_M GENMASK(19, 8)
+#define ICPU_MEMCTRL_TIMING4_ZQCAL_LONG_DLY_X(x) (((x) & GENMASK(19, 8)) >> 8)
+#define ICPU_MEMCTRL_TIMING4_ZQCAL_SHORT_DLY(x) ((x) & GENMASK(7, 0))
+#define ICPU_MEMCTRL_TIMING4_ZQCAL_SHORT_DLY_M GENMASK(7, 0)
+
+#define ICPU_MEMCTRL_MR0_VAL 0x158
+
+#define ICPU_MEMCTRL_MR1_VAL 0x15c
+
+#define ICPU_MEMCTRL_MR2_VAL 0x160
+
+#define ICPU_MEMCTRL_MR3_VAL 0x164
+
+#define ICPU_MEMCTRL_TERMRES_CTRL 0x168
+
+#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_EXT BIT(11)
+#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA(x) (((x) << 7) & GENMASK(10, 7))
+#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA_M GENMASK(10, 7)
+#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA_X(x) (((x) & GENMASK(10, 7)) >> 7)
+#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_EXT BIT(6)
+#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA(x) (((x) << 2) & GENMASK(5, 2))
+#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA_M GENMASK(5, 2)
+#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA_X(x) (((x) & GENMASK(5, 2)) >> 2)
+#define ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_EXT BIT(1)
+#define ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_ENA BIT(0)
+
+#define ICPU_MEMCTRL_DFT 0x16c
+
+#define ICPU_MEMCTRL_DFT_DDRDFT_LBW BIT(7)
+#define ICPU_MEMCTRL_DFT_DDRDFT_GATE_ENA BIT(6)
+#define ICPU_MEMCTRL_DFT_DDRDFT_TERM_ENA BIT(5)
+#define ICPU_MEMCTRL_DFT_DDRDFT_A10 BIT(4)
+#define ICPU_MEMCTRL_DFT_DDRDFT_STAT BIT(3)
+#define ICPU_MEMCTRL_DFT_DDRDFT_MODE(x) (((x) << 1) & GENMASK(2, 1))
+#define ICPU_MEMCTRL_DFT_DDRDFT_MODE_M GENMASK(2, 1)
+#define ICPU_MEMCTRL_DFT_DDRDFT_MODE_X(x) (((x) & GENMASK(2, 1)) >> 1)
+#define ICPU_MEMCTRL_DFT_DDRDFT_ENA BIT(0)
+
+#define ICPU_MEMCTRL_DQS_DLY(x) (0x170 + 0x4 * (x))
+#define ICPU_MEMCTRL_DQS_DLY_RSZ 0x4
+
+#define ICPU_MEMCTRL_DQS_DLY_TRAIN_DQ_ENA BIT(11)
+#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1(x) (((x) << 8) & GENMASK(10, 8))
+#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1_M GENMASK(10, 8)
+#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1_X(x) (((x) & GENMASK(10, 8)) >> 8)
+#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0(x) (((x) << 5) & GENMASK(7, 5))
+#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0_M GENMASK(7, 5)
+#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0_X(x) (((x) & GENMASK(7, 5)) >> 5)
+#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY(x) ((x) & GENMASK(4, 0))
+#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_M GENMASK(4, 0)
+
+#define ICPU_MEMCTRL_DQS_AUTO (0x178 + 0x4 * (x))
+#define ICPU_MEMCTRL_DQS_AUTO_RSZ 0x4
+
+#define ICPU_MEMCTRL_DQS_AUTO_DQS_DRIFT(x) (((x) << 6) & GENMASK(7, 6))
+#define ICPU_MEMCTRL_DQS_AUTO_DQS_DRIFT_M GENMASK(7, 6)
+#define ICPU_MEMCTRL_DQS_AUTO_DQS_DRIFT_X(x) (((x) & GENMASK(7, 6)) >> 6)
+#define ICPU_MEMCTRL_DQS_AUTO_DQS_OVERFLOW BIT(5)
+#define ICPU_MEMCTRL_DQS_AUTO_DQS_UNDERFLOW BIT(4)
+#define ICPU_MEMCTRL_DQS_AUTO_DQS_AUTO_SRC BIT(3)
+#define ICPU_MEMCTRL_DQS_AUTO_DQS_AUTO_UP BIT(2)
+#define ICPU_MEMCTRL_DQS_AUTO_DQS_AUTO_DOWN BIT(1)
+#define ICPU_MEMCTRL_DQS_AUTO_DQS_AUTO_ENA BIT(0)
+
+#define ICPU_MEMPHY_CFG 0x180
+
+#define ICPU_MEMPHY_CFG_PHY_FLUSH_DIS BIT(10)
+#define ICPU_MEMPHY_CFG_PHY_RD_ADJ_DIS BIT(9)
+#define ICPU_MEMPHY_CFG_PHY_DQS_EXT BIT(8)
+#define ICPU_MEMPHY_CFG_PHY_FIFO_RST BIT(7)
+#define ICPU_MEMPHY_CFG_PHY_DLL_BL_RST BIT(6)
+#define ICPU_MEMPHY_CFG_PHY_DLL_CL_RST BIT(5)
+#define ICPU_MEMPHY_CFG_PHY_ODT_OE BIT(4)
+#define ICPU_MEMPHY_CFG_PHY_CK_OE BIT(3)
+#define ICPU_MEMPHY_CFG_PHY_CL_OE BIT(2)
+#define ICPU_MEMPHY_CFG_PHY_SSTL_ENA BIT(1)
+#define ICPU_MEMPHY_CFG_PHY_RST BIT(0)
+
+#define ICPU_MEMPHY_ZCAL 0x1a8
+
+#define ICPU_MEMPHY_ZCAL_ZCAL_CLK_SEL BIT(9)
+#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT(x) (((x) << 5) & GENMASK(8, 5))
+#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT_M GENMASK(8, 5)
+#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT_X(x) (((x) & GENMASK(8, 5)) >> 5)
+#define ICPU_MEMPHY_ZCAL_ZCAL_PROG(x) (((x) << 1) & GENMASK(4, 1))
+#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_M GENMASK(4, 1)
+#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_X(x) (((x) & GENMASK(4, 1)) >> 1)
+#define ICPU_MEMPHY_ZCAL_ZCAL_ENA BIT(0)
+//
+#define ICPU_MEMPHY_ZCAL_STAT 0x1ac
+
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ZCTRL(x) (((x) << 12) & GENMASK(31, 12))
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ZCTRL_M GENMASK(31, 12)
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ZCTRL_X(x) (((x) & GENMASK(31, 12)) >> 12)
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPU(x) (((x) << 8) & GENMASK(9, 8))
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPU_M GENMASK(9, 8)
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPU_X(x) (((x) & GENMASK(9, 8)) >> 8)
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPD(x) (((x) << 6) & GENMASK(7, 6))
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPD_M GENMASK(7, 6)
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPD_X(x) (((x) & GENMASK(7, 6)) >> 6)
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PU(x) (((x) << 4) & GENMASK(5, 4))
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PU_M GENMASK(5, 4)
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PU_X(x) (((x) & GENMASK(5, 4)) >> 4)
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PD(x) (((x) << 2) & GENMASK(3, 2))
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PD_M GENMASK(3, 2)
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PD_X(x) (((x) & GENMASK(3, 2)) >> 2)
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ERR BIT(1)
+#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_DONE BIT(0)
+
+#endif
diff --git a/arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb.h b/arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb.h
index 8c0b612325..a74a68593d 100644
--- a/arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb.h
+++ b/arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb.h
@@ -11,4 +11,8 @@
#define PERF_SOFT_RST_SOFT_SWC_RST BIT(1)
#define PERF_SOFT_RST_SOFT_CHIP_RST BIT(0)
+#define GPIO_ALT(x) (0x88 + 4 * (x))
+
+#define CHIP_ID (0x08)
+
#endif
diff --git a/arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb_miim_regs.h b/arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb_miim_regs.h
new file mode 100644
index 0000000000..2303734894
--- /dev/null
+++ b/arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb_miim_regs.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Microsemi Ocelot Switch driver
+ *
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#ifndef _MSCC_LUTON_MIIM_REGS_H_
+#define _MSCC_LUTON_MIIM_REGS_H_
+
+#define MIIM_MII_STATUS(gi) (0xa0 + (gi * 36))
+#define MIIM_MII_CMD(gi) (0xa8 + (gi * 36))
+#define MIIM_MII_DATA(gi) (0xac + (gi * 36))
+
+#define MSCC_F_MII_STATUS_MIIM_STAT_BUSY(x) (x ? BIT(3) : 0)
+
+#define MSCC_F_MII_CMD_MIIM_CMD_VLD(x) (x ? BIT(31) : 0)
+#define MSCC_F_MII_CMD_MIIM_CMD_PHYAD(x) (GENMASK(29, 25) & (x << 25))
+#define MSCC_F_MII_CMD_MIIM_CMD_REGAD(x) (GENMASK(24, 20) & (x << 20))
+#define MSCC_F_MII_CMD_MIIM_CMD_WRDATA(x) (GENMASK(19, 4) & (x << 4))
+#define MSCC_F_MII_CMD_MIIM_CMD_OPR_FIELD(x) (GENMASK(2, 1) & (x << 1))
+
+#define MSCC_M_MII_DATA_MIIM_DATA_SUCCESS GENMASK(17, 16)
+#define MSCC_X_MII_DATA_MIIM_DATA_RDDATA(x) ((x >> 0) & GENMASK(15, 0))
+
+#endif
diff --git a/arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb.h b/arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb.h
index f8aa97ba26..d3a76412e2 100644
--- a/arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb.h
+++ b/arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb.h
@@ -18,4 +18,6 @@
#define PERF_GPIO_OE 0x44
+#define GPIO_ALT(x) (0x54 + 4 * (x))
+
#endif
diff --git a/arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb_miim_regs.h b/arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb_miim_regs.h
new file mode 100644
index 0000000000..4ad92214a3
--- /dev/null
+++ b/arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb_miim_regs.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#ifndef _MSCC_OCELOT_DEVCPU_GCB_MIIM_REGS_H_
+#define _MSCC_OCELOT_DEVCPU_GCB_MIIM_REGS_H_
+
+#define MIIM_MII_STATUS(gi) (0x9c + (gi * 36))
+#define MIIM_MII_CMD(gi) (0xa4 + (gi * 36))
+#define MIIM_MII_DATA(gi) (0xa8 + (gi * 36))
+
+#define MSCC_F_MII_STATUS_MIIM_STAT_BUSY(x) ((x) ? BIT(3) : 0)
+
+#define MSCC_F_MII_CMD_MIIM_CMD_VLD(x) ((x) ? BIT(31) : 0)
+#define MSCC_F_MII_CMD_MIIM_CMD_PHYAD(x) (GENMASK(29, 25) & ((x) << 25))
+#define MSCC_F_MII_CMD_MIIM_CMD_REGAD(x) (GENMASK(24, 20) & ((x) << 20))
+#define MSCC_F_MII_CMD_MIIM_CMD_WRDATA(x) (GENMASK(19, 4) & ((x) << 4))
+#define MSCC_F_MII_CMD_MIIM_CMD_OPR_FIELD(x) (GENMASK(2, 1) & ((x) << 1))
+#define MSCC_F_MII_CMD_MIIM_CMD_SCAN(x) ((x) ? BIT(0) : 0)
+
+#define MSCC_M_MII_DATA_MIIM_DATA_SUCCESS GENMASK(17, 16)
+#define MSCC_X_MII_DATA_MIIM_DATA_RDDATA(x) (((x) >> 0) & GENMASK(15, 0))
+
+#endif
diff --git a/arch/mips/mach-mscc/phy.c b/arch/mips/mach-mscc/phy.c
new file mode 100644
index 0000000000..add6280e38
--- /dev/null
+++ b/arch/mips/mach-mscc/phy.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+int mscc_phy_rd_wr(u8 read,
+ u32 miimdev,
+ u8 miim_addr,
+ u8 addr,
+ u16 *value)
+{
+ u32 data;
+ int i;
+
+ /* Command part */
+ data = (read ? MSCC_F_MII_CMD_MIIM_CMD_OPR_FIELD(2) : /* Read */
+ MSCC_F_MII_CMD_MIIM_CMD_OPR_FIELD(1) | /* Write */
+ MSCC_F_MII_CMD_MIIM_CMD_WRDATA(*value)); /* value */
+
+ /* Addressing part */
+ data |=
+ MSCC_F_MII_CMD_MIIM_CMD_VLD(1) | /* Valid command */
+ MSCC_F_MII_CMD_MIIM_CMD_REGAD(addr) | /* Reg addr */
+ MSCC_F_MII_CMD_MIIM_CMD_PHYAD(miim_addr); /* Miim addr */
+
+ /* Enqueue MIIM operation to be executed */
+ writel(data, BASE_DEVCPU_GCB + MIIM_MII_CMD(miimdev));
+
+ /* Wait for MIIM operation to finish */
+ i = 0;
+ do {
+ if (i++ > 100) {
+ debug("Miim timeout");
+ return -1;
+ }
+ data = readl(BASE_DEVCPU_GCB + MIIM_MII_STATUS(miimdev));
+ debug("Read status miim(%d): 0x%08x\n", miimdev, data);
+ } while (data & MSCC_F_MII_STATUS_MIIM_STAT_BUSY(1));
+
+ if (read) {
+ data = readl(BASE_DEVCPU_GCB + MIIM_MII_DATA(miimdev));
+ if (data & MSCC_M_MII_DATA_MIIM_DATA_SUCCESS) {
+ debug("Read(%d, %d) returned 0x%08x\n",
+ miim_addr, addr, data);
+ return -1;
+ }
+ *value = MSCC_X_MII_DATA_MIIM_DATA_RDDATA(data);
+ }
+
+ return 0;
+}
+
+int mscc_phy_rd(u32 miimdev,
+ u8 miim_addr,
+ u8 addr,
+ u16 *value)
+{
+ if (mscc_phy_rd_wr(1, miimdev, miim_addr, addr, value) == 0)
+ return 0;
+ debug("Read(%d, %d) returned error\n", miim_addr, addr);
+ return -1;
+}
+
+int mscc_phy_wr(u32 miimdev,
+ u8 miim_addr,
+ u8 addr,
+ u16 value)
+{
+ return mscc_phy_rd_wr(0, miimdev, miim_addr, addr, &value);
+}
diff --git a/arch/mips/mach-mscc/reset.c b/arch/mips/mach-mscc/reset.c
index 390bbd086a..e0e610ade6 100644
--- a/arch/mips/mach-mscc/reset.c
+++ b/arch/mips/mach-mscc/reset.c
@@ -12,6 +12,22 @@
void _machine_restart(void)
{
+#if defined(CONFIG_SOC_JR2)
+ register u32 reg = readl(BASE_CFG + ICPU_GENERAL_CTRL);
+ /* Set owner */
+ reg &= ~ICPU_GENERAL_CTRL_IF_SI_OWNER_M;
+ reg |= ICPU_GENERAL_CTRL_IF_SI_OWNER(1);
+ /* Set boot mode */
+ reg |= ICPU_GENERAL_CTRL_BOOT_MODE_ENA;
+ writel(reg, BASE_CFG + ICPU_GENERAL_CTRL);
+ /* Read back in order to make BOOT mode setting active */
+ reg = readl(BASE_CFG + ICPU_GENERAL_CTRL);
+ /* Reset CPU only - still executing _here_. but from cache */
+ writel(readl(BASE_CFG + ICPU_RESET) |
+ ICPU_RESET_CORE_RST_CPU_ONLY |
+ ICPU_RESET_CORE_RST_FORCE,
+ BASE_CFG + ICPU_RESET);
+#else
register u32 resetbits = PERF_SOFT_RST_SOFT_CHIP_RST;
(void)readl(BASE_DEVCPU_GCB + PERF_SOFT_RST);
@@ -24,6 +40,7 @@ void _machine_restart(void)
/* Do the global reset */
writel(resetbits, BASE_DEVCPU_GCB + PERF_SOFT_RST);
+#endif
while (1)
; /* NOP */