MSCC: Add board support for Servalt SoC family
authorHoratiu Vultur <horatiu.vultur@microchip.com>
Thu, 17 Jan 2019 14:33:28 +0000 (15:33 +0100)
committerDaniel Schwierzeck <daniel.schwierzeck@gmail.com>
Wed, 23 Jan 2019 17:27:26 +0000 (18:27 +0100)
Add board support, configuration and DTS for Servalt SoC
family. Currently there is one board in this family.

Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
arch/mips/dts/Makefile
arch/mips/dts/mscc,servalt.dtsi [new file with mode: 0644]
arch/mips/dts/servalt_pcb116.dts [new file with mode: 0644]
board/mscc/servalt/Kconfig [new file with mode: 0644]
board/mscc/servalt/Makefile [new file with mode: 0644]
board/mscc/servalt/servalt.c [new file with mode: 0644]
configs/mscc_servalt_defconfig [new file with mode: 0644]

index 1484db9..af264ff 100644 (file)
@@ -20,6 +20,7 @@ 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
+dtb-$(CONFIG_SOC_SERVALT) += servalt_pcb116.dtb
 
 targets += $(dtb-y)
 
diff --git a/arch/mips/dts/mscc,servalt.dtsi b/arch/mips/dts/mscc,servalt.dtsi
new file mode 100644 (file)
index 0000000..4beb7a3
--- /dev/null
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+/ {
+       #address-cells = <1>;
+       #size-cells = <1>;
+       compatible = "mscc,servalt";
+
+       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>;
+       };
+
+       sys_clk: sys-clk {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <250000000>;
+       };
+
+       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,servalt-cpu-syscon", "syscon";
+                       reg = <0x0 0x2c>;
+               };
+
+               intc: interrupt-controller@70 {
+                       compatible = "mscc,servalt-icpu-intr";
+                       reg = <0x70 0x74>;
+                       #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";
+               };
+
+               reset@1010008 {
+                       compatible = "mscc,servalt-chip-reset";
+                       reg = <0x1010008 0x4>;
+               };
+
+               gpio: pinctrl@1010034 {
+                       compatible = "mscc,servalt-pinctrl";
+                       reg = <0x1010034 0x90>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       gpio-ranges = <&gpio 0 0 36>;
+
+                       sgpio_pins: sgpio-pins {
+                               pins = "GPIO_0", "GPIO_1", "GPIO_2", "GPIO_3";
+                               function = "sio";
+                       };
+
+                       uart_pins: uart-pins {
+                               pins = "GPIO_6", "GPIO_7";
+                               function = "uart";
+                       };
+
+                       uart2_pins: uart2-pins {
+                               pins = "GPIO_20", "GPIO_21";
+                               function = "uart2";
+                       };
+               };
+
+               spi0: spi-bitbang {
+                       compatible = "mscc,luton-bb-spi";
+                       status = "okay";
+                       reg = <0x50 0x4>;
+                       num-chipselects = <1>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+               };
+
+               sgpio: gpio@1010120 {
+                       compatible = "mscc,ocelot-sgpio";
+                       status = "disabled";
+                       clocks = <&sys_clk>;
+                       pinctrl-0 = <&sgpio_pins>;
+                       pinctrl-names = "default";
+                       reg = <0x1010120 0x100>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+                       gpio-ranges = <&sgpio 0 0 128>;
+               };
+       };
+};
diff --git a/arch/mips/dts/servalt_pcb116.dts b/arch/mips/dts/servalt_pcb116.dts
new file mode 100644 (file)
index 0000000..fb33312
--- /dev/null
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+/dts-v1/;
+#include "mscc,servalt.dtsi"
+
+/ {
+       model = "ServalT PCB116 Reference Board";
+       compatible = "mscc,servalt-pcb116", "mscc,servalt";
+
+       aliases {
+               spi0 = &spi0;
+               serial0 = &uart0;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       gpio-leds {
+               compatible = "gpio-leds";
+
+               status_green {
+                       label = "pcb116:green:status";
+                       gpios = <&sgpio 70 0>; /* p6.2 */
+                       default-state = "on";
+               };
+
+               status_red {
+                       label = "pcb116:red:status";
+                       gpios = <&sgpio 102 0>; /* p6.3 */
+                       default-state = "off";
+               };
+       };
+};
+
+&uart0 {
+       status = "okay";
+};
+
+&spi0 {
+       status = "okay";
+       spi-flash@0 {
+               compatible = "spi-flash";
+               spi-max-frequency = <18000000>; /* input clock */
+               reg = <0>; /* CS0 */
+               spi-cs-high;
+       };
+};
+
+&sgpio {
+       status = "okay";
+       sgpio-ports = <0x0000fe7f>;
+};
diff --git a/board/mscc/servalt/Kconfig b/board/mscc/servalt/Kconfig
new file mode 100644 (file)
index 0000000..61140f8
--- /dev/null
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+config SYS_VENDOR
+       default "mscc"
+
+if SOC_SERVALT
+
+config SYS_BOARD
+       default "servalt"
+
+config SYS_CONFIG_NAME
+       default "servalt"
+
+endif
diff --git a/board/mscc/servalt/Makefile b/board/mscc/servalt/Makefile
new file mode 100644 (file)
index 0000000..9a37eea
--- /dev/null
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+obj-$(CONFIG_SOC_SERVALT)      := servalt.o
diff --git a/board/mscc/servalt/servalt.c b/board/mscc/servalt/servalt.c
new file mode 100644 (file)
index 0000000..566f976
--- /dev/null
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Microsemi Corporation
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <led.h>
+
+enum {
+       BOARD_TYPE_PCB116 = 0xAABBCE00,
+};
+
+int board_early_init_r(void)
+{
+       /* Prepare SPI controller to be used in master mode */
+       writel(0, BASE_CFG + ICPU_SW_MODE);
+
+       /* Address of boot parameters */
+       gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE;
+
+       /* LED setup */
+       if (IS_ENABLED(CONFIG_LED))
+               led_default_state();
+
+       return 0;
+}
+
+static void do_board_detect(void)
+{
+       gd->board_type = BOARD_TYPE_PCB116; /* ServalT */
+}
+
+#if defined(CONFIG_MULTI_DTB_FIT)
+int board_fit_config_name_match(const char *name)
+{
+       if (gd->board_type == BOARD_TYPE_PCB116 &&
+           strcmp(name, "servalt_pcb116") == 0)
+               return 0;
+       return -1;
+}
+#endif
+
+#if defined(CONFIG_DTB_RESELECT)
+int embedded_dtb_select(void)
+{
+       do_board_detect();
+       fdtdec_setup();
+
+       return 0;
+}
+#endif
diff --git a/configs/mscc_servalt_defconfig b/configs/mscc_servalt_defconfig
new file mode 100644 (file)
index 0000000..f23617e
--- /dev/null
@@ -0,0 +1,60 @@
+CONFIG_MIPS=y
+CONFIG_SYS_TEXT_BASE=0x40000000
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_ARCH_MSCC=y
+CONFIG_SOC_SERVALT=y
+CONFIG_SYS_LITTLE_ENDIAN=y
+CONFIG_FIT=y
+CONFIG_BOOTDELAY=3
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyS0,115200"
+CONFIG_LOGLEVEL=7
+CONFIG_DISPLAY_CPUINFO=y
+CONFIG_SYS_PROMPT="servalt # "
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_CONSOLE is not set
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_EXPORTENV is not set
+# CONFIG_CMD_IMPORTENV is not set
+# CONFIG_CMD_CRC32 is not set
+CONFIG_CMD_MD5SUM=y
+CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_MEMTEST=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+# CONFIG_CMD_NET is not set
+CONFIG_CMD_MTDPARTS=y
+CONFIG_MTDIDS_DEFAULT="nor0=spi_flash"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=spi_flash:1m(UBoot),256k(Env),256k(Env.bk)"
+# CONFIG_ISO_PARTITION is not set
+CONFIG_DEFAULT_DEVICE_TREE="servalt_pcb116"
+CONFIG_OF_LIST="servalt_pcb116"
+CONFIG_DTB_RESELECT=y
+CONFIG_MULTI_DTB_FIT=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_CLK=y
+CONFIG_DM_GPIO=y
+CONFIG_MSCC_SGPIO=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_BAR=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_MTD=y
+CONFIG_DM_ETH=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_DM_SERIAL=y
+CONFIG_SYS_NS16550=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_MSCC_BB_SPI=y
+CONFIG_LZMA=y
+CONFIG_XZ=y