Add support for MediaTek MT8518 SoC. This include the file
that will initialize the SoC after boot and its device tree.
Signed-off-by: mingming lee <mingming....@mediatek.com>
---
arch/arm/dts/mt8518.dtsi | 201 ++++++++++++++++++
arch/arm/mach-mediatek/Kconfig | 9 +
arch/arm/mach-mediatek/Makefile | 1 +
arch/arm/mach-mediatek/mt8518/Makefile | 4 +
arch/arm/mach-mediatek/mt8518/init.c | 116 ++++++++++
arch/arm/mach-mediatek/mt8518/lowlevel_init.S | 59 +++++
6 files changed, 390 insertions(+)
create mode 100644 arch/arm/dts/mt8518.dtsi
create mode 100644 arch/arm/mach-mediatek/mt8518/Makefile
create mode 100644 arch/arm/mach-mediatek/mt8518/init.c
create mode 100644 arch/arm/mach-mediatek/mt8518/lowlevel_init.S
diff --git a/arch/arm/dts/mt8518.dtsi b/arch/arm/dts/mt8518.dtsi
new file mode 100644
index 0000000000..39d001884f
--- /dev/null
+++ b/arch/arm/dts/mt8518.dtsi
@@ -0,0 +1,201 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2019 MediaTek Inc.
+ * Author: Mingming Lee <mingming....@mediatek.com>
+ *
+ */
+
+#include <dt-bindings/clock/mt8518-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,mt8518";
+ interrupt-parent = <&sysirq>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ enable-method = "mediatek,mt8518-smp";
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x0>;
+ clock-frequency = <1300000000>;
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x1>;
+ clock-frequency = <1300000000>;
+ };
+
+ cpu2: cpu@2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x2>;
+ clock-frequency = <1300000000>;
+ };
+
+ cpu3: cpu@3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x3>;
+ clock-frequency = <1300000000>;
+ };
+ };
+
+ chipid: chipid@08000000 {
+ compatible = "mediatek,chipid";
+ reg = <0x08000000 0x0004>,
+ <0x08000004 0x0004>,
+ <0x08000008 0x0004>,
+ <0x0800000c 0x0004>;
+ };
+
+ topckgen: clock-controller@10000000 {
+ compatible = "mediatek,mt8518-topckgen";
+ reg = <0x10000000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ topckgen_cg: clock-controller-cg@10000000 {
+ compatible = "mediatek,mt8518-topckgen-cg";
+ reg = <0x10000000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ apmixedsys: clock-controller@10018000 {
+ compatible = "mediatek,mt8518-apmixedsys";
+ reg = <0x10018000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ gic: interrupt-controller@0c000000 {
+ compatible = "arm,gic-v3";
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ interrupt-controller;
+ reg = <0xc000000 0x40000>, /* GICD */
+ <0xc100000 0x200000>; /* GICR */
+ interrupts = <GIC_PPI 9
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ sysirq: interrupt-controller@10200a80 {
+ compatible = "mediatek,sysirq";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ reg = <0x10200a80 0x50>;
+ };
+
+ apdma: dma-controller@11000480 {
+ compatible = "mediatek,mt8518-uart-dma",
+ "mediatek,mt6577-uart-dma";
+ reg = <0x11000480 0x80>,
+ <0x11000500 0x80>,
+ <0x11000580 0x80>,
+ <0x11000600 0x80>,
+ <0x11000980 0x80>,
+ <0x11000a00 0x80>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 97 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 98 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 99 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 100 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 101 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_APDMA>;
+ clock-names = "apdma";
+ #dma-cells = <1>;
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 13
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+ clock-frequency = <13000000>;
+ };
+
+ timer0: apxgpt@10008000 {
+ compatible = "mediatek,timer",
+ "mediatek,mt8518-timer",
+ "mediatek,mt6577-timer";
+ reg = <0x10008000 0x1000>;
+ interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_CLK26M_D2>,
+ <&topckgen CLK_TOP_CLK32K>,
+ <&topckgen CLK_TOP_APXGPT>;
+ clock-names = "clk13m",
+ "clk32k",
+ "bus";
+ };
+
+ watchdog: watchdog@10007000 {
+ compatible = "mediatek,wdt";
+ reg = <0x10007000 0x1000>;
+ interrupts = <GIC_SPI 190 IRQ_TYPE_EDGE_FALLING>;
+ #reset-cells = <1>;
+ status = "disabled";
+ };
+
+ mmc0: mmc@11120000 {
+ compatible = "mediatek,mt8516-mmc";
+ reg = <0x11120000 0x1000>;
+ interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_MSDC0>,
+ <&topckgen CLK_TOP_MSDC0>,
+ <&topckgen CLK_TOP_MSDC0_B>;
+ clock-names = "source", "hclk", "source_cg";
+ status = "disabled";
+ };
+
+ uart0: serial@11005000 {
+ compatible = "mediatek,hsuart";
+ reg = <0x11005000 0x1000>;
+ interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_UART0_SEL>,
+ <&topckgen CLK_TOP_UART0>;
+ clock-names = "baud", "bus";
+ status = "disabled";
+ };
+
+ uart1: serial@11001A000 {
+ compatible = "mediatek,hsuart";
+ reg = <0x1001A000 0x1000>;
+ interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_UART1_SEL>,
+ <&topckgen CLK_TOP_UART1>;
+ clock-names = "baud", "bus";
+ dmas = <&apdma 2
+ &apdma 3>;
+ dma-names = "tx", "rx";
+ status = "disabled";
+ };
+
+ uart2: serial@11007000 {
+ compatible = "mediatek,hsuart";
+ reg = <0x11007000 0x1000>;
+ interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_UART2_SEL>,
+ <&topckgen CLK_TOP_UART2>;
+ clock-names = "baud", "bus";
+ dmas = <&apdma 4
+ &apdma 5>;
+ dma-names = "tx", "rx";
+ status = "disabled";
+ };
+
+};
diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig
index 25ef7651f0..8e343c3182 100644
--- a/arch/arm/mach-mediatek/Kconfig
+++ b/arch/arm/mach-mediatek/Kconfig
@@ -38,6 +38,15 @@ config TARGET_MT8516
Ethernet, IR TX/RX, I2C, I2S, S/PDIF, and built-in Wi-Fi / Bluetooth
combo
chip and several DDR3 and DDR4 options.
+config TARGET_MT8518
+ bool "MediaTek MT8518 SoC"
+ select ARM64
+ help
+ The MediaTek MT8518 is a ARM64-based SoC with a quad-core Cortex-A53.
+ 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"
diff --git a/arch/arm/mach-mediatek/Makefile b/arch/arm/mach-mediatek/Makefile
index ea414dc407..b9b2355e03 100644
--- a/arch/arm/mach-mediatek/Makefile
+++ b/arch/arm/mach-mediatek/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_SPL_BUILD) += spl.o
obj-$(CONFIG_TARGET_MT7623) += mt7623/
obj-$(CONFIG_TARGET_MT7629) += mt7629/
obj-$(CONFIG_TARGET_MT8516) += mt8516/
+obj-$(CONFIG_TARGET_MT8518) += mt8518/
diff --git a/arch/arm/mach-mediatek/mt8518/Makefile
b/arch/arm/mach-mediatek/mt8518/Makefile
new file mode 100644
index 0000000000..007eb4a367
--- /dev/null
+++ b/arch/arm/mach-mediatek/mt8518/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-y += init.o
+obj-y += lowlevel_init.o
diff --git a/arch/arm/mach-mediatek/mt8518/init.c
b/arch/arm/mach-mediatek/mt8518/init.c
new file mode 100644
index 0000000000..419454f794
--- /dev/null
+++ b/arch/arm/mach-mediatek/mt8518/init.c
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Configuration for MediaTek MT8518 SoC
+ *
+ * Copyright (C) 2019 MediaTek Inc.
+ * Author: Mingming Lee <mingming....@mediatek.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 <dt-bindings/clock/mt8518-clk.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+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)
+{
+ psci_system_reset();
+}
+
+int print_cpuinfo(void)
+{
+ printf("CPU: MediaTek MT8518\n");
+ return 0;
+}
+
+static struct mm_region mt8518_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 = mt8518_mem_map;
diff --git a/arch/arm/mach-mediatek/mt8518/lowlevel_init.S
b/arch/arm/mach-mediatek/mt8518/lowlevel_init.S
new file mode 100644
index 0000000000..3db4ee5b85
--- /dev/null
+++ b/arch/arm/mach-mediatek/mt8518/lowlevel_init.S
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2019 MediaTek Inc.
+ * Author: Mingming Lee <mingming....@mediatek.com>
+ */
+
+/*pre-loader LK to uboot argument Location*/
+.global BOOT_ARGUMENT_DRAM_SIZE
+BOOT_ARGUMENT_DRAM_SIZE:
+ .word 0x00000000
+
+.global BOOT_ARGUMENT_LINUX_ID
+BOOT_ARGUMENT_LINUX_ID:
+ .word 0x00000000
+
+.global BOOT_ARGUMENT_LOCATION
+BOOT_ARGUMENT_LOCATION:
+ .word 0x00000000
+
+/****************To instead what defined in start.S**************************
+ *void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3) __attribute__((weak))
+ ****************************************************************************/
+
+.globl save_boot_params
+save_boot_params:
+ ldr x6, =BOOT_ARGUMENT_DRAM_SIZE
+ str x0, [x6]
+ ldr x6, =BOOT_ARGUMENT_LINUX_ID
+ str x1, [x6]
+ ldr x6, =BOOT_ARGUMENT_LOCATION
+ str x2, [x6]
+ b save_boot_params_ret
+
+/*
+ * Switch from AArch64 EL2 to AArch32 EL2
+ * @param inputs:
+ * x0: argument, zero
+ * x1: machine nr
+ * x2: fdt address
+ * x3: input argument
+ * x4: kernel entry point
+ * @param outputs for secure firmware:
+ * x0: function id
+ * x1: kernel entry point
+ * x2: machine nr
+ * x3: fdt address
+*/
+.global armv8_el2_to_aarch32
+armv8_el2_to_aarch32:
+ mov x3, x2
+ mov x2, x1
+ mov x1, x4
+ mov x4, #0
+ /* Define in src\bsp\trustzone\atf\v1.2\ */
+ /* mt8xxx\plat\mediatek\common\sip_svc.h */
+ /* MTK_SIP_KERNEL_BOOT_AARCH64 for U-BOOT-64 to KERNEL*/
+ ldr x0, =0xC2000200
+ SMC #0
+ ret
--
2.23.0
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