[U-Boot] [PATCH 3/4] MIPS: add support for Broadcom MIPS BCM6318 SoC family
Álvaro Fernández Rojas
noltari at gmail.com
Sat Jan 20 13:17:24 UTC 2018
Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
---
arch/mips/dts/brcm,bcm6318.dtsi | 156 +++++++++++++++++++++
arch/mips/mach-bmips/Kconfig | 12 ++
include/configs/bmips_bcm6318.h | 25 ++++
include/dt-bindings/clock/bcm6318-clock.h | 37 +++++
.../power-domain/bcm6318-power-domain.h | 13 ++
include/dt-bindings/reset/bcm6318-reset.h | 26 ++++
6 files changed, 269 insertions(+)
create mode 100644 arch/mips/dts/brcm,bcm6318.dtsi
create mode 100644 include/configs/bmips_bcm6318.h
create mode 100644 include/dt-bindings/clock/bcm6318-clock.h
create mode 100644 include/dt-bindings/power-domain/bcm6318-power-domain.h
create mode 100644 include/dt-bindings/reset/bcm6318-reset.h
diff --git a/arch/mips/dts/brcm,bcm6318.dtsi b/arch/mips/dts/brcm,bcm6318.dtsi
new file mode 100644
index 0000000000..d501a9410a
--- /dev/null
+++ b/arch/mips/dts/brcm,bcm6318.dtsi
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari at gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <dt-bindings/clock/bcm6318-clock.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/power-domain/bcm6318-power-domain.h>
+#include <dt-bindings/reset/bcm6318-reset.h>
+#include "skeleton.dtsi"
+
+/ {
+ compatible = "brcm,bcm6318";
+
+ aliases {
+ spi0 = &spi;
+ };
+
+ cpus {
+ reg = <0x10000000 0x4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ u-boot,dm-pre-reloc;
+
+ cpu at 0 {
+ compatible = "brcm,bcm6318-cpu", "mips,mips4Kc";
+ device_type = "cpu";
+ reg = <0>;
+ u-boot,dm-pre-reloc;
+ };
+ };
+
+ clocks {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ u-boot,dm-pre-reloc;
+
+ hsspi_pll: hsspi-pll {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <250000000>;
+ };
+
+ periph_osc: periph-osc {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <50000000>;
+ u-boot,dm-pre-reloc;
+ };
+
+ periph_clk: periph-clk {
+ compatible = "brcm,bcm6345-clk";
+ reg = <0x10000004 0x4>;
+ #clock-cells = <1>;
+ };
+ };
+
+ ubus {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ u-boot,dm-pre-reloc;
+
+ periph_rst: reset-controller at 10000010 {
+ compatible = "brcm,bcm6345-reset";
+ reg = <0x10000010 0x4>;
+ #reset-cells = <1>;
+ };
+
+ wdt: watchdog at 10000068 {
+ compatible = "brcm,bcm6345-wdt";
+ reg = <0x10000068 0xc>;
+ clocks = <&periph_osc>;
+ };
+
+ wdt-reboot {
+ compatible = "wdt-reboot";
+ wdt = <&wdt>;
+ };
+
+ pll_cntl: syscon at 10000074 {
+ compatible = "syscon";
+ reg = <0x10000074 0x4>;
+ };
+
+ syscon-reboot {
+ compatible = "syscon-reboot";
+ regmap = <&pll_cntl>;
+ offset = <0x0>;
+ mask = <0x1>;
+ };
+
+ gpio1: gpio-controller at 10000080 {
+ compatible = "brcm,bcm6345-gpio";
+ reg = <0x10000080 0x4>, <0x10000088 0x4>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ status = "disabled";
+ };
+
+ gpio0: gpio-controller at 10000084 {
+ compatible = "brcm,bcm6345-gpio";
+ reg = <0x10000084 0x4>, <0x1000008c 0x4>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ status = "disabled";
+ };
+
+ uart0: serial at 10000100 {
+ compatible = "brcm,bcm6345-uart";
+ reg = <0x10000100 0x18>;
+ clocks = <&periph_osc>;
+
+ status = "disabled";
+ };
+
+ leds: led-controller at 10000200 {
+ compatible = "brcm,bcm6328-leds";
+ reg = <0x10000200 0x28>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ status = "disabled";
+ };
+
+ periph_pwr: power-controller at 100008e8 {
+ compatible = "brcm,bcm6328-power-domain";
+ reg = <0x100008e8 0x4>;
+ #power-domain-cells = <1>;
+ };
+
+ spi: spi at 10003000 {
+ compatible = "brcm,bcm6328-hsspi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x10003000 0x600>;
+ clocks = <&periph_clk BCM6318_CLK_HSSPI>, <&hsspi_pll>;
+ clock-names = "hsspi", "pll";
+ resets = <&periph_rst BCM6318_RST_SPI>;
+ spi-max-frequency = <33333334>;
+ num-cs = <3>;
+
+ status = "disabled";
+ };
+
+ memory-controller at 10004000 {
+ compatible = "brcm,bcm6318-mc";
+ reg = <0x10004000 0x38>;
+ u-boot,dm-pre-reloc;
+ };
+ };
+};
diff --git a/arch/mips/mach-bmips/Kconfig b/arch/mips/mach-bmips/Kconfig
index 936b67f5f2..c9b56f5ca7 100644
--- a/arch/mips/mach-bmips/Kconfig
+++ b/arch/mips/mach-bmips/Kconfig
@@ -6,6 +6,7 @@ config SYS_MALLOC_F_LEN
config SYS_SOC
default "bcm3380" if SOC_BMIPS_BCM3380
+ default "bcm6318" if SOC_BMIPS_BCM6318
default "bcm6328" if SOC_BMIPS_BCM6328
default "bcm6338" if SOC_BMIPS_BCM6338
default "bcm6348" if SOC_BMIPS_BCM6348
@@ -27,6 +28,17 @@ config SOC_BMIPS_BCM3380
help
This supports BMIPS BCM3380 family.
+config SOC_BMIPS_BCM6318
+ bool "BMIPS BCM6318 family"
+ select SUPPORTS_BIG_ENDIAN
+ select SUPPORTS_CPU_MIPS32_R1
+ select MIPS_TUNE_4KC
+ select MIPS_L1_CACHE_SHIFT_4
+ select SWAP_IO_SPACE
+ select SYSRESET_SYSCON
+ help
+ This supports BMIPS BCM6318 family.
+
config SOC_BMIPS_BCM6328
bool "BMIPS BCM6328 family"
select SUPPORTS_BIG_ENDIAN
diff --git a/include/configs/bmips_bcm6318.h b/include/configs/bmips_bcm6318.h
new file mode 100644
index 0000000000..454a7b7f7b
--- /dev/null
+++ b/include/configs/bmips_bcm6318.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari at gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __CONFIG_BMIPS_BCM6318_H
+#define __CONFIG_BMIPS_BCM6318_H
+
+/* CPU */
+#define CONFIG_SYS_MIPS_TIMER_FREQ 166500000
+
+/* RAM */
+#define CONFIG_NR_DRAM_BANKS 1
+#define CONFIG_SYS_SDRAM_BASE 0x80000000
+
+/* U-Boot */
+#define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE + 0x100000
+
+#if defined(CONFIG_BMIPS_BOOT_RAM)
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SYS_INIT_SP_OFFSET 0x2000
+#endif
+
+#endif /* __CONFIG_BMIPS_BCM6318_H */
diff --git a/include/dt-bindings/clock/bcm6318-clock.h b/include/dt-bindings/clock/bcm6318-clock.h
new file mode 100644
index 0000000000..1e3dc16f90
--- /dev/null
+++ b/include/dt-bindings/clock/bcm6318-clock.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari at gmail.com>
+ *
+ * Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_BCM6318_H
+#define __DT_BINDINGS_CLOCK_BCM6318_H
+
+#define BCM6318_CLK_ADSL_ASB 0
+#define BCM6318_CLK_USB_ASB 1
+#define BCM6318_CLK_MIPS_ASB 2
+#define BCM6318_CLK_PCIE_ASB 3
+#define BCM6318_CLK_PHYMIPS_ASB 4
+#define BCM6318_CLK_ROBOSW_ASB 5
+#define BCM6318_CLK_SAR_ASB 6
+#define BCM6318_CLK_SDR_ASB 7
+#define BCM6318_CLK_SWREG_ASB 8
+#define BCM6318_CLK_PERIPH_ASB 9
+#define BCM6318_CLK_CPUBUS160 10
+#define BCM6318_CLK_ADSL 11
+#define BCM6318_CLK_SAR125 12
+#define BCM6318_CLK_MIPS 13
+#define BCM6318_CLK_PCIE 14
+#define BCM6318_CLK_ROBOSW250 16
+#define BCM6318_CLK_ROBOSW025 17
+#define BCM6318_CLK_SDR 19
+#define BCM6318_CLK_USB 20
+#define BCM6318_CLK_HSSPI 25
+#define BCM6318_CLK_PCIE25 27
+#define BCM6318_CLK_PHYMIPS 28
+#define BCM6318_CLK_AFE 29
+#define BCM6318_CLK_QPROC 30
+
+#endif /* __DT_BINDINGS_CLOCK_BCM6318_H */
diff --git a/include/dt-bindings/power-domain/bcm6318-power-domain.h b/include/dt-bindings/power-domain/bcm6318-power-domain.h
new file mode 100644
index 0000000000..38627d95c5
--- /dev/null
+++ b/include/dt-bindings/power-domain/bcm6318-power-domain.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_POWER_DOMAIN_BCM6318_H
+#define __DT_BINDINGS_POWER_DOMAIN_BCM6318_H
+
+#define BCM6318_PWR_PCIE 0
+#define BCM6318_PWR_USB 1
+
+#endif /* __DT_BINDINGS_POWER_DOMAIN_BCM6318_H */
diff --git a/include/dt-bindings/reset/bcm6318-reset.h b/include/dt-bindings/reset/bcm6318-reset.h
new file mode 100644
index 0000000000..781d7fbc4d
--- /dev/null
+++ b/include/dt-bindings/reset/bcm6318-reset.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari at gmail.com>
+ *
+ * Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_RESET_BCM6318_H
+#define __DT_BINDINGS_RESET_BCM6318_H
+
+#define BCM6318_RST_SPI 0
+#define BCM6318_RST_EPHY 1
+#define BCM6318_RST_SAR 2
+#define BCM6318_RST_ENETSW 3
+#define BCM6318_RST_USBD 4
+#define BCM6318_RST_USBH 5
+#define BCM6318_RST_PCIE_CORE 6
+#define BCM6318_RST_PCIE 7
+#define BCM6318_RST_PCIE_EXT 8
+#define BCM6318_RST_PCIE_HARD 9
+#define BCM6318_RST_ADSL 10
+#define BCM6318_RST_PHYMIPS 11
+#define BCM6318_RST_HOSTMIPS 11
+
+#endif /* __DT_BINDINGS_RESET_BCM6318_H */
--
2.11.0
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