--- /dev/null
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2019 BayLibre, SAS
+ * Author: Fabien Parent <fparent@baylibre.com>
+ */
+
+#include <dt-bindings/clock/mt8516-clk.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+ compatible = "mediatek,mt8516";
+ interrupt-parent = <&sysirq>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ enable-method = "mediatek,mt8516-smp";
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a35";
+ reg = <0x0>;
+ clock-frequency = <1300000000>;
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a35";
+ reg = <0x1>;
+ clock-frequency = <1300000000>;
+ };
+
+ cpu@2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a35";
+ reg = <0x2>;
+ clock-frequency = <1300000000>;
+ };
+
+ cpu@3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a35";
+ reg = <0x3>;
+ clock-frequency = <1300000000>;
+ };
+ };
+
+ topckgen: clock-controller@10000000 {
+ compatible = "mediatek,mt8516-topckgen";
+ reg = <0x10000000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ topckgen_cg: clock-controller-cg@10000000 {
+ compatible = "mediatek,mt8516-topckgen-cg";
+ reg = <0x10000000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ infracfg: clock-controller@10001000 {
+ compatible = "mediatek,mt8516-infracfg";
+ reg = <0x10001000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ apmixedsys: clock-controller@10018000 {
+ compatible = "mediatek,mt8516-apmixedsys";
+ reg = <0x10018000 0x710>;
+ #clock-cells = <1>;
+ };
+
+ gic: interrupt-controller@10310000 {
+ compatible = "arm,gic-400";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ reg = <0x10310000 0x1000>,
+ <0x10320000 0x1000>,
+ <0x10340000 0x2000>,
+ <0x10360000 0x2000>;
+ interrupts = <GIC_PPI 9
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ sysirq: interrupt-controller@10200620 {
+ compatible = "mediatek,sysirq";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ reg = <0x10200620 0x20>;
+ };
+
+ watchdog: watchdog@10007000 {
+ compatible = "mediatek,wdt";
+ reg = <0x10007000 0x1000>;
+ interrupts = <GIC_SPI 198 IRQ_TYPE_EDGE_FALLING>;
+ #reset-cells = <1>;
+ status = "disabled";
+ };
+
+ pinctrl: pinctrl@10005000 {
+ compatible = "mediatek,mt8516-pinctrl";
+ reg = <0x10005000 0x1000>;
+
+ gpio: gpio-controller {
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+ };
+
+ mmc0: mmc@11120000 {
+ compatible = "mediatek,mt8516-mmc";
+ reg = <0x11120000 0x1000>;
+ interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen_cg CLK_TOP_MSDC0>,
+ <&topckgen CLK_TOP_AHB_INFRA_SEL>,
+ <&topckgen_cg CLK_TOP_MSDC0_INFRA>;
+ clock-names = "source", "hclk", "source_cg";
+ status = "disabled";
+ };
+
+ uart0: serial@11005000 {
+ compatible = "mediatek,hsuart";
+ reg = <0x11005000 0x1000>;
+ reg-shift = <2>;
+ interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_UART0_SEL>,
+ <&topckgen_cg CLK_TOP_UART0>;
+ clock-names = "baud","bus";
+ status = "disabled";
+ };
+};
including DDR3, crypto engine, 3x3 11n/ac Wi-Fi, Gigabit Ethernet,
switch, USB3.0, PCIe, UART, SPI, I2C and PWM.
+config TARGET_MT8516
+ bool "MediaTek MT8516 SoC"
+ select ARM64
+ select ARCH_MISC_INIT
+ help
+ The MediaTek MT8516 is a ARM64-based SoC with a quad-core Cortex-A35.
+ including UART, SPI, USB2.0 and OTG, SD and MMC cards, NAND, PWM,
+ Ethernet, IR TX/RX, I2C, I2S, S/PDIF, and built-in Wi-Fi / Bluetooth combo
+ chip and several DDR3 and DDR4 options.
+
endchoice
source "board/mediatek/mt7623/Kconfig"
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ * Copyright (C) 2019 BayLibre, SAS
+ * Author: Fabien Parent <fparent@baylibre.com>
+ */
+
+#include <clk.h>
+#include <common.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <ram.h>
+#include <asm/arch/misc.h>
+#include <asm/armv8/mmu.h>
+#include <asm/sections.h>
+#include <dm/uclass.h>
+#include <linux/io.h>
+#include <dt-bindings/clock/mt8516-clk.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define WDOG_SWRST 0x10007014
+#define WDOG_SWRST_KEY 0x1209
+
+int dram_init(void)
+{
+ int ret;
+
+ ret = fdtdec_setup_memory_banksize();
+ if (ret)
+ return ret;
+
+ return fdtdec_setup_mem_size_base();
+}
+
+int dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = gd->ram_base;
+ gd->bd->bi_dram[0].size = gd->ram_size;
+
+ return 0;
+}
+
+int mtk_pll_early_init(void)
+{
+ unsigned long pll_rates[] = {
+ [CLK_APMIXED_ARMPLL] = 1300000000,
+ [CLK_APMIXED_MAINPLL] = 1501000000,
+ [CLK_APMIXED_UNIVPLL] = 1248000000,
+ [CLK_APMIXED_MMPLL] = 380000000,
+ };
+ struct udevice *dev;
+ int ret, i;
+
+ ret = uclass_get_device_by_driver(UCLASS_CLK,
+ DM_GET_DRIVER(mtk_clk_apmixedsys), &dev);
+ if (ret)
+ return ret;
+
+ /* configure default rate then enable apmixedsys */
+ for (i = 0; i < ARRAY_SIZE(pll_rates); i++) {
+ struct clk clk = { .id = i, .dev = dev };
+
+ ret = clk_set_rate(&clk, pll_rates[i]);
+ if (ret)
+ return ret;
+
+ ret = clk_enable(&clk);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+int mtk_soc_early_init(void)
+{
+ int ret;
+
+ /* initialize early clocks */
+ ret = mtk_pll_early_init();
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+ while (1) {
+ writel(WDOG_SWRST_KEY, WDOG_SWRST);
+ mdelay(5);
+ }
+}
+
+int print_cpuinfo(void)
+{
+ printf("CPU: MediaTek MT8516\n");
+ return 0;
+}
+
+static struct mm_region mt8516_mem_map[] = {
+ {
+ /* DDR */
+ .virt = 0x40000000UL,
+ .phys = 0x40000000UL,
+ .size = 0x20000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE,
+ }, {
+ .virt = 0x00000000UL,
+ .phys = 0x00000000UL,
+ .size = 0x20000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ 0,
+ }
+};
+struct mm_region *mem_map = mt8516_mem_map;
projects / platform / kernel / u-boot.git / commitdiff