]> git.dujemihanovic.xyz Git - u-boot.git/commitdiff
ARM: MediaTek: Add support for MediaTek MT8512 SoC
authormingming lee <mingming.lee@mediatek.com>
Tue, 31 Dec 2019 03:29:19 +0000 (11:29 +0800)
committerTom Rini <trini@konsulko.com>
Thu, 16 Jan 2020 14:39:45 +0000 (09:39 -0500)
Add support for MediaTek MT8512 SoC. This include the file
that will initialize the SoC after boot and its device tree.

Signed-off-by: mingming lee <mingming.lee@mediatek.com>
arch/arm/dts/mt8512.dtsi [new file with mode: 0644]
arch/arm/mach-mediatek/Kconfig
arch/arm/mach-mediatek/Makefile
arch/arm/mach-mediatek/mt8512/Makefile [new file with mode: 0644]
arch/arm/mach-mediatek/mt8512/init.c [new file with mode: 0644]
arch/arm/mach-mediatek/mt8512/lowlevel_init.S [new file with mode: 0644]

diff --git a/arch/arm/dts/mt8512.dtsi b/arch/arm/dts/mt8512.dtsi
new file mode 100644 (file)
index 0000000..01a02a7
--- /dev/null
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2019 MediaTek Inc.
+ * Author: Mingming Lee <mingming.lee@mediatek.com>
+ *
+ */
+
+#include <dt-bindings/clock/mt8512-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,mt8512";
+       interrupt-parent = <&sysirq>;
+       #address-cells = <1>;
+       #size-cells = <1>;
+
+       gic: interrupt-controller@c000000 {
+                compatible = "arm,gic-v3";
+               #interrupt-cells = <3>;
+               interrupt-parent = <&gic>;
+               interrupt-controller;
+               reg = <0xc000000 0x40000>,      /* GICD */
+                         <0xc080000 0x200000>; /* GICR */
+               interrupts = <GIC_PPI 9
+                       (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+       };
+
+       topckgen: clock-controller@10000000 {
+               compatible = "mediatek,mt8512-topckgen";
+               reg = <0x10000000 0x1000>;
+               #clock-cells = <1>;
+       };
+
+       topckgen_cg: clock-controller-cg@10000000 {
+               compatible = "mediatek,mt8512-topckgen-cg";
+               reg = <0x10000000 0x1000>;
+               #clock-cells = <1>;
+       };
+
+       infracfg: clock-controller@10001000 {
+               compatible = "mediatek,mt8512-infracfg";
+               reg = <0x10001000 0x1000>;
+               #clock-cells = <1>;
+       };
+
+       pinctrl: pinctrl@10005000 {
+               compatible = "mediatek,mt8512-pinctrl";
+               reg = <0x10005000 0x1000>;
+               gpio: gpio-controller {
+                       gpio-controller;
+                       #gpio-cells = <2>;
+               };
+       };
+
+       watchdog0: watchdog@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;
+       };
+
+       timer0: apxgpt@10008000 {
+               compatible = "mediatek,timer";
+               reg = <0x10008000 0x1000>;
+               interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_LOW>;
+               clocks = <&topckgen CLK_TOP_SYS_26M_D2>,
+                        <&topckgen CLK_TOP_CLK32K>,
+                        <&infracfg CLK_INFRA_APXGPT>;
+               clock-names = "clk13m",
+                        "clk32k",
+                        "bus";
+       };
+
+       apmixedsys: clock-controller@1000c000 {
+               compatible = "mediatek,mt8512-apmixedsys";
+               reg = <0x1000c000 0x1000>;
+               #clock-cells = <1>;
+       };
+
+       sysirq: interrupt-controller@10200a80 {
+               compatible = "mediatek,sysirq";
+               interrupt-controller;
+               #interrupt-cells = <3>;
+               interrupt-parent = <&gic>;
+               reg = <0x10200a80 0x50>;
+       };
+
+       uart0: serial@11002000 {
+               compatible = "mediatek,hsuart";
+               reg = <0x11002000 0x1000>;
+               interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_LOW>;
+               clocks = <&topckgen CLK_TOP_CLK26M>,
+                       <&infracfg CLK_INFRA_UART0>;
+               clock-names = "baud", "bus";
+               status = "disabled";
+       };
+
+       mmc0: mmc@11230000 {
+               compatible = "mediatek,mt8512-mmc";
+               reg = <0x11230000 0x1000>,
+                     <0x11cd0000 0x1000>;
+               interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_LOW>;
+               clocks = <&topckgen CLK_TOP_MSDC50_0_SEL>,
+                        <&infracfg CLK_INFRA_MSDC0>,
+                        <&infracfg CLK_INFRA_MSDC0_SRC>;
+               clock-names = "source", "hclk", "source_cg";
+               status = "disabled";
+       };
+
+};
\ No newline at end of file
index ad453a60c195f540ad94df60e81ae1839d75e359..bca88b8db8e4bf98185654363f97be2d245d8f8b 100644 (file)
@@ -6,6 +6,10 @@ config SYS_SOC
 config SYS_VENDOR
        default "mediatek"
 
+config MT8512
+       bool "MediaTek MT8512 SoC"
+       default n
+
 choice
        prompt "MediaTek board select"
 
@@ -29,6 +33,16 @@ config TARGET_MT7629
          including DDR3, crypto engine, 3x3 11n/ac Wi-Fi, Gigabit Ethernet,
          switch, USB3.0, PCIe, UART, SPI, I2C and PWM.
 
+config TARGET_MT8512
+        bool "MediaTek MT8512 M1 Board"
+        select ARM64
+       select MT8512
+        help
+          The MediaTek MT8512 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.
+
 config TARGET_MT8516
        bool "MediaTek MT8516 SoC"
        select ARM64
@@ -51,6 +65,7 @@ endchoice
 
 source "board/mediatek/mt7623/Kconfig"
 source "board/mediatek/mt7629/Kconfig"
+source "board/mediatek/mt8512/Kconfig"
 source "board/mediatek/mt8518/Kconfig"
 source "board/mediatek/pumpkin/Kconfig"
 
index b9b2355e03d1095128b7abab6bd45e5170a4dbbd..6129ac88ab658a46d2cacac368910ab4f44cc87f 100644 (file)
@@ -3,6 +3,7 @@
 obj-y  += cpu.o
 obj-$(CONFIG_SPL_BUILD)        += spl.o
 
+obj-$(CONFIG_MT8512) += mt8512/
 obj-$(CONFIG_TARGET_MT7623) += mt7623/
 obj-$(CONFIG_TARGET_MT7629) += mt7629/
 obj-$(CONFIG_TARGET_MT8516) += mt8516/
diff --git a/arch/arm/mach-mediatek/mt8512/Makefile b/arch/arm/mach-mediatek/mt8512/Makefile
new file mode 100644 (file)
index 0000000..007eb4a
--- /dev/null
@@ -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/mt8512/init.c b/arch/arm/mach-mediatek/mt8512/init.c
new file mode 100644 (file)
index 0000000..a38b5d1
--- /dev/null
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Configuration for MediaTek MT8512 SoC
+ *
+ * Copyright (C) 2019 MediaTek Inc.
+ * Author: Mingming Lee <mingming.lee@mediatek.com>
+ */
+
+#include <clk.h>
+#include <common.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <ram.h>
+#include <wdt.h>
+#include <asm/arch/misc.h>
+#include <asm/armv8/mmu.h>
+#include <asm/sections.h>
+#include <dm/uclass.h>
+#include <dt-bindings/clock/mt8512-clk.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+       return fdtdec_setup_mem_size_base();
+}
+
+phys_size_t  get_effective_memsize(void)
+{
+       /* limit stack below tee reserve memory */
+       return gd->ram_size - 6 * SZ_1M;
+}
+
+int dram_init_banksize(void)
+{
+       gd->bd->bi_dram[0].start = gd->ram_base;
+       gd->bd->bi_dram[0].size = get_effective_memsize();
+
+       return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+       struct udevice *watchdog_dev = NULL;
+
+       if (uclass_get_device_by_seq(UCLASS_WDT, 0, &watchdog_dev))
+               if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev))
+                       psci_system_reset();
+
+       wdt_expire_now(watchdog_dev, 0);
+}
+
+int print_cpuinfo(void)
+{
+       debug("CPU:   MediaTek MT8512\n");
+       return 0;
+}
+
+static struct mm_region mt8512_mem_map[] = {
+       {
+               /* DDR */
+               .virt = 0x40000000UL,
+               .phys = 0x40000000UL,
+               .size = 0x40000000UL,
+               .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE,
+       }, {
+               .virt = 0x00000000UL,
+               .phys = 0x00000000UL,
+               .size = 0x40000000UL,
+               .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+                        PTE_BLOCK_NON_SHARE |
+                        PTE_BLOCK_PXN | PTE_BLOCK_UXN
+       }, {
+               0,
+       }
+};
+
+struct mm_region *mem_map = mt8512_mem_map;
diff --git a/arch/arm/mach-mediatek/mt8512/lowlevel_init.S b/arch/arm/mach-mediatek/mt8512/lowlevel_init.S
new file mode 100644 (file)
index 0000000..ad39212
--- /dev/null
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2019 MediaTek Inc.
+ * Author: Mingming Lee <mingming.lee@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