[U-Boot] [PATCH v3 1/5] ARM: MediaTek: Add support for MediaTek MT8518 SoC
mingming lee
mingming.lee at mediatek.com
Thu Nov 7 11:28:40 UTC 2019
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.lee at mediatek.com>
---
Changes for v3:
-drop unused api to keep it simple
Changes for v2:
-drop unused 'device' in dtsi to keep it simple
---
arch/arm/dts/mt8518.dtsi | 91 +++++++++++++++++++
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 | 71 +++++++++++++++
arch/arm/mach-mediatek/mt8518/lowlevel_init.S | 32 +++++++
6 files changed, 208 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..9f56122319
--- /dev/null
+++ b/arch/arm/dts/mt8518.dtsi
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2019 MediaTek Inc.
+ * Author: Mingming Lee <mingming.lee at 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>;
+
+
+
+ topckgen: clock-controller at 10000000 {
+ compatible = "mediatek,mt8518-topckgen";
+ reg = <0x10000000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ gic: interrupt-controller at 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 at 10200a80 {
+ compatible = "mediatek,sysirq";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ reg = <0x10200a80 0x50>;
+ };
+
+ timer0: apxgpt at 10008000 {
+ compatible = "mediatek,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";
+ };
+
+ watchdog0: watchdog at 10007000 {
+ compatible = "mediatek,wdt";
+ reg = <0x10007000 0x1000>;
+ interrupts = <GIC_SPI 190 IRQ_TYPE_EDGE_FALLING>;
+ #reset-cells = <1>;
+ status = "disabled";
+ timeout-sec = <60>;
+ reset-on-timeout;
+ };
+
+
+
+ mmc0: mmc at 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 at 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";
+ };
+
+};
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..5a97c8cb26
--- /dev/null
+++ b/arch/arm/mach-mediatek/mt8518/init.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Configuration for MediaTek MT8518 SoC
+ *
+ * Copyright (C) 2019 MediaTek Inc.
+ * Author: Mingming Lee <mingming.lee at 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;
+}
+
+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..ad392120f4
--- /dev/null
+++ b/arch/arm/mach-mediatek/mt8518/lowlevel_init.S
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2019 MediaTek Inc.
+ * Author: Mingming Lee <mingming.lee at mediatek.com>
+ */
+
+/*
+ * 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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