From: Siarhei Siamashka siarhei.siamashka@gmail.com
The Allwinner A64 SoC is used in the Pine64. This patch adds all bits necessary to compile U-Boot for it running in AArch64 mode.
Unfortunately SPL is not ready yet due to legal problems, so we need to boot using the binary boot0 for now.
Signed-off-by: Siarhei Siamashka siarhei.siamashka@gmail.com [agraf: remove SPL code, move to AArch64] Signed-off-by: Alexander Graf agraf@suse.de --- arch/arm/dts/a64.dtsi | 564 ++++++++++++++++++++++++++ arch/arm/include/asm/arch-sunxi/clock.h | 3 +- arch/arm/include/asm/arch-sunxi/clock_sun6i.h | 4 +- arch/arm/include/asm/arch-sunxi/gpio.h | 1 + arch/arm/include/asm/arch-sunxi/spl.h | 5 +- arch/arm/include/asm/system.h | 6 + arch/arm/mach-sunxi/Makefile | 1 + arch/arm/mach-sunxi/board.c | 30 +- arch/arm/mach-sunxi/cpu_info.c | 2 + board/sunxi/Kconfig | 9 +- board/sunxi/board.c | 38 +- drivers/mmc/sunxi_mmc.c | 4 + drivers/power/Kconfig | 2 +- include/configs/sun50i.h | 22 + include/configs/sunxi-common.h | 20 +- 15 files changed, 697 insertions(+), 14 deletions(-) create mode 100644 arch/arm/dts/a64.dtsi create mode 100644 include/configs/sun50i.h
diff --git a/arch/arm/dts/a64.dtsi b/arch/arm/dts/a64.dtsi new file mode 100644 index 0000000..f3ad000 --- /dev/null +++ b/arch/arm/dts/a64.dtsi @@ -0,0 +1,564 @@ +/* + * Copyright (C) 2016 ARM Ltd. + * based on the Allwinner H3 dtsi: + * Copyright (C) 2015 Jens Kuske jenskuske@gmail.com + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/pinctrl/sun4i-a10.h> + +/ { + compatible = "allwinner,a64"; + interrupt-parent = <&gic>; + #address-cells = <1>; + #size-cells = <1>; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + serial4 = &uart4; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,cortex-a53", "arm,armv8"; + device_type = "cpu"; + reg = <0>; + enable-method = "psci"; + }; + + cpu@1 { + compatible = "arm,cortex-a53", "arm,armv8"; + device_type = "cpu"; + reg = <1>; + enable-method = "psci"; + }; + + cpu@2 { + compatible = "arm,cortex-a53", "arm,armv8"; + device_type = "cpu"; + reg = <2>; + enable-method = "psci"; + }; + + cpu@3 { + compatible = "arm,cortex-a53", "arm,armv8"; + device_type = "cpu"; + reg = <3>; + enable-method = "psci"; + }; + }; + + psci { + compatible = "arm,psci-0.2", "arm,psci"; + method = "smc"; + cpu_suspend = <0xc4000001>; + cpu_off = <0x84000002>; + cpu_on = <0xc4000003>; + }; + + memory { + device_type = "memory"; + reg = <0x40000000 0>; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = <GIC_PPI 13 + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, + <GIC_PPI 14 + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, + <GIC_PPI 11 + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, + <GIC_PPI 10 + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>; + }; + + clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + osc24M: osc24M_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24000000>; + clock-output-names = "osc24M"; + }; + + osc32k: osc32k_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32768>; + clock-output-names = "osc32k"; + }; + + pll1: clk@01c20000 { + #clock-cells = <0>; + compatible = "allwinner,sun8i-a23-pll1-clk"; + reg = <0x01c20000 0x4>; + clocks = <&osc24M>; + clock-output-names = "pll1"; + }; + + pll6: clk@01c20028 { + #clock-cells = <1>; + compatible = "allwinner,sun6i-a31-pll6-clk"; + reg = <0x01c20028 0x4>; + clocks = <&osc24M>; + clock-output-names = "pll6", "pll6x2"; + }; + + pll6d2: pll6d2_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clock-div = <2>; + clock-mult = <1>; + clocks = <&pll6 0>; + clock-output-names = "pll6d2"; + }; + + /* dummy clock until pll6 can be reused */ + pll8: pll8_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <1>; + clock-output-names = "pll8"; + }; + + cpu: cpu_clk@01c20050 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-cpu-clk"; + reg = <0x01c20050 0x4>; + clocks = <&osc32k>, <&osc24M>, <&pll1>, <&pll1>; + clock-output-names = "cpu"; + }; + + axi: axi_clk@01c20050 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-axi-clk"; + reg = <0x01c20050 0x4>; + clocks = <&cpu>; + clock-output-names = "axi"; + }; + + ahb1: ahb1_clk@01c20054 { + #clock-cells = <0>; + compatible = "allwinner,sun6i-a31-ahb1-clk"; + reg = <0x01c20054 0x4>; + clocks = <&osc32k>, <&osc24M>, <&axi>, <&pll6 0>; + clock-output-names = "ahb1"; + }; + + ahb2: ahb2_clk@01c2005c { + #clock-cells = <0>; + compatible = "allwinner,sun8i-h3-ahb2-clk"; + reg = <0x01c2005c 0x4>; + clocks = <&ahb1>, <&pll6d2>; + clock-output-names = "ahb2"; + }; + + apb1: apb1_clk@01c20054 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-apb0-clk"; + reg = <0x01c20054 0x4>; + clocks = <&ahb1>; + clock-output-names = "apb1"; + }; + + apb2: apb2_clk@01c20058 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-apb1-clk"; + reg = <0x01c20058 0x4>; + clocks = <&osc32k>, <&osc24M>, <&pll6 1>, <&pll6 1>; + clock-output-names = "apb2"; + }; + + bus_gates: clk@01c20060 { + #clock-cells = <1>; + compatible = "allwinner,a64-bus-gates-clk", + "allwinner,sun8i-h3-bus-gates-clk"; + reg = <0x01c20060 0x14>; + clocks = <&ahb1>, <&ahb2>, <&apb1>, <&apb2>; + clock-names = "ahb1", "ahb2", "apb1", "apb2"; + clock-indices = <1>, + <5>, <6>, <8>, + <9>, <10>, <13>, + <14>, <17>, <18>, + <19>, <20>, + <21>, <23>, + <24>, <25>, + <28>, <29>, + <32>, <35>, + <36>, <37>, + <40>, <43>, + <44>, <52>, <53>, + <54>, <64>, + <65>, <69>, <72>, + <76>, <77>, <78>, + <96>, <97>, <98>, + <101>, + <112>, <113>, + <114>, <115>, + <116>, <135>; + clock-output-names = "bus_mipidsi", + "bus_ce", "bus_dma", "bus_mmc0", + "bus_mmc1", "bus_mmc2", "bus_nand", + "bus_sdram", "bus_gmac", "bus_ts", + "bus_hstimer", "bus_spi0", + "bus_spi1", "bus_otg", + "bus_otg_ehci0", "bus_ehci0", + "bus_otg_ohci0", "bus_ohci0", + "bus_ve", "bus_lcd0", + "bus_lcd1", "bus_deint", + "bus_csi", "bus_hdmi", + "bus_de", "bus_gpu", "bus_msgbox", + "bus_spinlock", "bus_codec", + "bus_spdif", "bus_pio", "bus_ths", + "bus_i2s0", "bus_i2s1", "bus_i2s2", + "bus_i2c0", "bus_i2c1", "bus_i2c2", + "bus_scr", + "bus_uart0", "bus_uart1", + "bus_uart2", "bus_uart3", + "bus_uart4", "bus_dbg"; + }; + + mmc0_clk: clk@01c20088 { + #clock-cells = <1>; + compatible = "allwinner,sun4i-a10-mmc-clk"; + reg = <0x01c20088 0x4>; + clocks = <&osc24M>, <&pll6 0>, <&pll8>; + clock-output-names = "mmc0", + "mmc0_output", + "mmc0_sample"; + }; + + mmc1_clk: clk@01c2008c { + #clock-cells = <1>; + compatible = "allwinner,sun4i-a10-mmc-clk"; + reg = <0x01c2008c 0x4>; + clocks = <&osc24M>, <&pll6 0>, <&pll8>; + clock-output-names = "mmc1", + "mmc1_output", + "mmc1_sample"; + }; + + mmc2_clk: clk@01c20090 { + #clock-cells = <1>; + compatible = "allwinner,sun4i-a10-mmc-clk"; + reg = <0x01c20090 0x4>; + clocks = <&osc24M>, <&pll6 0>, <&pll8>; + clock-output-names = "mmc2", + "mmc2_output", + "mmc2_sample"; + }; + }; + + regulators { + reg_vcc3v3: vcc3v3 { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + mmc0: mmc@01c0f000 { + compatible = "allwinner,sun5i-a13-mmc"; + reg = <0x01c0f000 0x1000>; + clocks = <&bus_gates 8>, + <&mmc0_clk 0>, + <&mmc0_clk 1>, + <&mmc0_clk 2>; + clock-names = "ahb", + "mmc", + "output", + "sample"; + resets = <&ahb_rst 8>; + reset-names = "ahb"; + interrupts = <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + + mmc1: mmc@01c10000 { + compatible = "allwinner,sun5i-a13-mmc"; + reg = <0x01c10000 0x1000>; + clocks = <&bus_gates 9>, + <&mmc1_clk 0>, + <&mmc1_clk 1>, + <&mmc1_clk 2>; + clock-names = "ahb", + "mmc", + "output", + "sample"; + resets = <&ahb_rst 9>; + reset-names = "ahb"; + interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + + mmc2: mmc@01c11000 { + compatible = "allwinner,sun5i-a13-mmc"; + reg = <0x01c11000 0x1000>; + clocks = <&bus_gates 10>, + <&mmc2_clk 0>, + <&mmc2_clk 1>, + <&mmc2_clk 2>; + clock-names = "ahb", + "mmc", + "output", + "sample"; + resets = <&ahb_rst 10>; + reset-names = "ahb"; + interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + + pio: pinctrl@01c20800 { + compatible = "allwinner,a64-pinctrl"; + reg = <0x01c20800 0x400>; + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&bus_gates 69>; + gpio-controller; + #gpio-cells = <3>; + interrupt-controller; + #interrupt-cells = <2>; + + uart0_pins_a: uart0@0 { + allwinner,pins = "PB8", "PB9"; + allwinner,function = "uart0"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + uart0_pins_b: uart0@1 { + allwinner,pins = "PF2", "PF3"; + allwinner,function = "uart0"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + uart1_pins: uart1@0 { + allwinner,pins = "PG6", "PG7", "PG8", "PG9"; + allwinner,function = "uart1"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + uart2_pins: uart2@0 { + allwinner,pins = "PB0", "PB1", "PB2", "PB3"; + allwinner,function = "uart2"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + uart3_pins_a: uart3@0 { + allwinner,pins = "PD0", "PD1"; + allwinner,function = "uart3"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + uart3_pins_b: uart3@1 { + allwinner,pins = "PH4", "PH5", "PH6", "PH7"; + allwinner,function = "uart3"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + uart4_pins: uart4@0 { + allwinner,pins = "PD2", "PD3", "PD4", "PD5"; + allwinner,function = "uart4"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + mmc0_pins: mmc0@0 { + allwinner,pins = "PF0", "PF1", "PF2", "PF3", + "PF4", "PF5"; + allwinner,function = "mmc0"; + allwinner,drive = <SUN4I_PINCTRL_30_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + mmc0_default_cd_pin: mmc0_cd_pin@0 { + allwinner,pins = "PF6"; + allwinner,function = "gpio_in"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; + }; + + mmc1_pins: mmc1@0 { + allwinner,pins = "PG0", "PG1", "PG2", "PG3", + "PG4", "PG5"; + allwinner,function = "mmc1"; + allwinner,drive = <SUN4I_PINCTRL_30_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + mmc2_pins: mmc2@0 { + allwinner,pins = "PC1", "PC5", "PC6", "PC8", + "PC9", "PC10"; + allwinner,function = "mmc2"; + allwinner,drive = <SUN4I_PINCTRL_30_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + }; + + ahb_rst: reset@01c202c0 { + #reset-cells = <1>; + compatible = "allwinner,sun6i-a31-ahb1-reset"; + reg = <0x01c202c0 0xc>; + }; + + apb1_rst: reset@01c202d0 { + #reset-cells = <1>; + compatible = "allwinner,sun6i-a31-clock-reset"; + reg = <0x01c202d0 0x4>; + }; + + apb2_rst: reset@01c202d8 { + #reset-cells = <1>; + compatible = "allwinner,sun6i-a31-clock-reset"; + reg = <0x01c202d8 0x4>; + }; + + uart0: serial@01c28000 { + compatible = "snps,dw-apb-uart"; + reg = <0x01c28000 0x400>; + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&bus_gates 112>; + resets = <&apb2_rst 16>; + reset-names = "apb2"; + status = "disabled"; + }; + + uart1: serial@01c28400 { + compatible = "snps,dw-apb-uart"; + reg = <0x01c28400 0x400>; + interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&bus_gates 113>; + resets = <&apb2_rst 17>; + reset-names = "apb2"; + status = "disabled"; + }; + + uart2: serial@01c28800 { + compatible = "snps,dw-apb-uart"; + reg = <0x01c28800 0x400>; + interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&bus_gates 114>; + resets = <&apb2_rst 18>; + reset-names = "apb2"; + status = "disabled"; + }; + + uart3: serial@01c28c00 { + compatible = "snps,dw-apb-uart"; + reg = <0x01c28c00 0x400>; + interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&bus_gates 115>; + resets = <&apb2_rst 19>; + reset-names = "apb2"; + status = "disabled"; + }; + + uart4: serial@01c29000 { + compatible = "snps,dw-apb-uart"; + reg = <0x01c29000 0x400>; + interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&bus_gates 116>; + resets = <&apb2_rst 20>; + reset-names = "apb2"; + status = "disabled"; + }; + + rtc: rtc@01f00000 { + compatible = "allwinner,sun6i-a31-rtc"; + reg = <0x01f00000 0x54>; + interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + + gic: interrupt-controller@{ + compatible = "arm,gic-400"; + interrupt-controller; + #interrupt-cells = <3>; + #address-cells = <0>; + + reg = <0x01C81000 0x1000>, + <0x01C82000 0x2000>, + <0x01C84000 0x2000>, + <0x01C86000 0x2000>; + interrupts = <GIC_PPI 9 + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>; + }; +}; diff --git a/arch/arm/include/asm/arch-sunxi/clock.h b/arch/arm/include/asm/arch-sunxi/clock.h index 6c0573f..3747f74 100644 --- a/arch/arm/include/asm/arch-sunxi/clock.h +++ b/arch/arm/include/asm/arch-sunxi/clock.h @@ -17,7 +17,8 @@ /* clock control module regs definition */ #if defined(CONFIG_MACH_SUN8I_A83T) #include <asm/arch/clock_sun8i_a83t.h> -#elif defined(CONFIG_MACH_SUN6I) || defined(CONFIG_MACH_SUN8I) +#elif defined(CONFIG_MACH_SUN6I) || defined(CONFIG_MACH_SUN8I) || \ + defined(CONFIG_MACH_SUN50I) #include <asm/arch/clock_sun6i.h> #elif defined(CONFIG_MACH_SUN9I) #include <asm/arch/clock_sun9i.h> diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h index 9de7754..816cf37 100644 --- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h +++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h @@ -350,7 +350,9 @@ struct sunxi_ccm_reg { #define CCM_HDMI_CTRL_DDC_GATE (0x1 << 30) #define CCM_HDMI_CTRL_GATE (0x1 << 31)
-#ifndef CONFIG_MACH_SUN8I +#if defined(CONFIG_MACH_SUN50I) +#define MBUS_CLK_DEFAULT 0x81000002 /* PLL6x2 / 3 */ +#elif !defined(CONFIG_MACH_SUN8I) #define MBUS_CLK_DEFAULT 0x81000001 /* PLL6 / 2 */ #else #define MBUS_CLK_DEFAULT 0x81000003 /* PLL6 / 4 */ diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h index 649f6cd..1ace548 100644 --- a/arch/arm/include/asm/arch-sunxi/gpio.h +++ b/arch/arm/include/asm/arch-sunxi/gpio.h @@ -159,6 +159,7 @@ enum sunxi_gpio_number { #define SUN8I_GPB_UART2 2 #define SUN8I_A33_GPB_UART0 3 #define SUN8I_A83T_GPB_UART0 2 +#define SUN50I_GPB_UART0 4
#define SUNXI_GPC_NAND 2 #define SUNXI_GPC_SDC2 3 diff --git a/arch/arm/include/asm/arch-sunxi/spl.h b/arch/arm/include/asm/arch-sunxi/spl.h index a129dd4..ca9a4f9 100644 --- a/arch/arm/include/asm/arch-sunxi/spl.h +++ b/arch/arm/include/asm/arch-sunxi/spl.h @@ -12,8 +12,11 @@ #define SPL_SIGNATURE "SPL" /* marks "sunxi" SPL header */ #define SPL_HEADER_VERSION 1
-/* Note: A80 will require special handling here: SPL_ADDR 0x10000 */ +#if defined(CONFIG_MACH_SUN9I) || defined(CONFIG_MACH_SUN50I) +#define SPL_ADDR 0x10000 +#else #define SPL_ADDR 0x0 +#endif
/* boot head definition from sun4i boot code */ struct boot_file_head { diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 9ae890a..a165fcd 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -92,6 +92,12 @@ static inline unsigned long read_mpidr(void)
#define BSP_COREID 0
+static inline void sdelay(unsigned long n) +{ + int i; + for (i = 0; i < n; i++) asm volatile(""); +} + void __asm_flush_dcache_all(void); void __asm_invalidate_dcache_all(void); void __asm_flush_dcache_range(u64 start, u64 end); diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile index 114cc03..ad3d6c4 100644 --- a/arch/arm/mach-sunxi/Makefile +++ b/arch/arm/mach-sunxi/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_MACH_SUN4I) += clock_sun4i.o obj-$(CONFIG_MACH_SUN5I) += clock_sun4i.o obj-$(CONFIG_MACH_SUN6I) += clock_sun6i.o obj-$(CONFIG_MACH_SUN7I) += clock_sun4i.o +obj-$(CONFIG_MACH_SUN50I) += clock_sun6i.o ifdef CONFIG_MACH_SUN8I_A83T obj-y += clock_sun8i_a83t.o else diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c index 7653148..ae48ead 100644 --- a/arch/arm/mach-sunxi/board.c +++ b/arch/arm/mach-sunxi/board.c @@ -40,6 +40,30 @@ struct fel_stash {
struct fel_stash fel_stash __attribute__((section(".data")));
+#ifdef CONFIG_MACH_SUN50I +#include <asm/armv8/mmu.h> + +static struct mm_region sunxi_mem_map[] = { + { + /* SRAM, MMIO regions */ + .base = 0x0UL, + .size = 0x40000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE + }, { + /* RAM */ + .base = 0x40000000UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + /* List terminator */ + 0, + } +}; +struct mm_region *mem_map = sunxi_mem_map; +#endif + static int gpio_init(void) { #if CONFIG_CONS_INDEX == 1 && defined(CONFIG_UART0_PORT_F) @@ -76,6 +100,10 @@ static int gpio_init(void) sunxi_gpio_set_cfgpin(SUNXI_GPA(4), SUN8I_H3_GPA_UART0); sunxi_gpio_set_cfgpin(SUNXI_GPA(5), SUN8I_H3_GPA_UART0); sunxi_gpio_set_pull(SUNXI_GPA(5), SUNXI_GPIO_PULL_UP); +#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN50I) + sunxi_gpio_set_cfgpin(SUNXI_GPB(8), SUN50I_GPB_UART0); + sunxi_gpio_set_cfgpin(SUNXI_GPB(9), SUN50I_GPB_UART0); + sunxi_gpio_set_pull(SUNXI_GPB(9), SUNXI_GPIO_PULL_UP); #elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN8I_A83T) sunxi_gpio_set_cfgpin(SUNXI_GPB(9), SUN8I_A83T_GPB_UART0); sunxi_gpio_set_cfgpin(SUNXI_GPB(10), SUN8I_A83T_GPB_UART0); @@ -253,7 +281,7 @@ void reset_cpu(ulong addr) #endif }
-#ifndef CONFIG_SYS_DCACHE_OFF +#if !defined(CONFIG_SYS_DCACHE_OFF) && !defined(CONFIG_ARM64) void enable_caches(void) { /* Enable D-cache. I-cache is already enabled in start.S */ diff --git a/arch/arm/mach-sunxi/cpu_info.c b/arch/arm/mach-sunxi/cpu_info.c index b9bc70c..36c503a 100644 --- a/arch/arm/mach-sunxi/cpu_info.c +++ b/arch/arm/mach-sunxi/cpu_info.c @@ -75,6 +75,8 @@ int print_cpuinfo(void) puts("CPU: Allwinner A80 (SUN9I)\n"); #elif defined CONFIG_MACH_SUN8I_A83T puts("CPU: Allwinner A83T (SUN8I)\n"); +#elif defined CONFIG_MACH_SUN50I + puts("CPU: Allwinner A64 (SUN50I)\n"); #else #warning Please update cpu_info.c with correct CPU information puts("CPU: SUNXI Family\n"); diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig index 5e72fac..464fa0f 100644 --- a/board/sunxi/Kconfig +++ b/board/sunxi/Kconfig @@ -77,6 +77,11 @@ config MACH_SUN8I_H3 select SUPPORT_SPL select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
+config MACH_SUN50I + bool "sun50i (Allwinner A64)" + select ARM64 + select SUNXI_GEN_SUN6I + config MACH_SUN8I_A83T bool "sun8i (Allwinner A83T)" select CPU_V7 @@ -213,6 +218,7 @@ config DRAM_ODT_CORRECTION endif
config SYS_CLK_FREQ + default 816000000 if MACH_SUN50I default 912000000 if MACH_SUN7I default 1008000000 if MACH_SUN4I || MACH_SUN5I || MACH_SUN6I || MACH_SUN8I
@@ -223,6 +229,7 @@ config SYS_CONFIG_NAME default "sun7i" if MACH_SUN7I default "sun8i" if MACH_SUN8I default "sun9i" if MACH_SUN9I + default "sun50i" if MACH_SUN50I
config SYS_BOARD default "sunxi" @@ -604,7 +611,7 @@ config GMAC_TX_DELAY Set the GMAC Transmit Clock Delay Chain value.
config SPL_STACK_R_ADDR - default 0x4fe00000 if MACH_SUN4I || MACH_SUN5I || MACH_SUN6I || MACH_SUN7I || MACH_SUN8I + default 0x4fe00000 if MACH_SUN4I || MACH_SUN5I || MACH_SUN6I || MACH_SUN7I || MACH_SUN8I || MACH_SUN50I default 0x2fe00000 if MACH_SUN9I
endif diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 2d5335f..74510c5 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -21,6 +21,9 @@ #include <asm/arch/gpio.h> #include <asm/arch/mmc.h> #include <asm/arch/usb_phy.h> +#ifndef CONFIG_ARM64 +#include <asm/armv7.h> +#endif #include <asm/gpio.h> #include <asm/io.h> #include <nand.h> @@ -73,18 +76,41 @@ DECLARE_GLOBAL_DATA_PTR; /* add board specific code here */ int board_init(void) { - int id_pfr1, ret; +#ifndef CONFIG_ARM64 + int id_pfr1; +#endif + int ret;
gd->bd->bi_boot_params = (PHYS_SDRAM_0 + 0x100);
+#ifndef CONFIG_ARM64 asm volatile("mrc p15, 0, %0, c0, c1, 1" : "=r"(id_pfr1)); debug("id_pfr1: 0x%08x\n", id_pfr1); /* Generic Timer Extension available? */ - if ((id_pfr1 >> 16) & 0xf) { + if ((id_pfr1 >> CPUID_ARM_GENTIMER_SHIFT) & 0xf) { + uint32_t freq; + debug("Setting CNTFRQ\n"); - /* CNTFRQ == 24 MHz */ - asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r"(24000000)); + + /* + * CNTFRQ is a secure register, so we will crash if we try to + * write this from the non-secure world (read is OK, though). + * In case some bootcode has already set the correct value, + * we avoid the risk of writing to it. + */ + asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r"(freq)); + if (freq != CONFIG_TIMER_CLK_FREQ) { + debug("arch timer frequency is %d Hz, should be %d, fixing ...\n", + freq, CONFIG_TIMER_CLK_FREQ); +#ifdef CONFIG_NON_SECURE + printf("arch timer frequency is wrong, but cannot adjust it\n"); +#else + asm volatile("mcr p15, 0, %0, c14, c0, 0" + : : "r"(CONFIG_TIMER_CLK_FREQ)); +#endif + } } +#endif /* !CONFIG_ARM64 */
ret = axp_gpio_init(); if (ret) @@ -264,7 +290,7 @@ static void mmc_pinmux_setup(int sdc) sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(SUNXI_GPC(24), 2); } -#elif defined(CONFIG_MACH_SUN8I) +#elif defined(CONFIG_MACH_SUN8I) || defined(CONFIG_MACH_SUN50I) /* SDC2: PC5-PC6, PC8-PC16 */ for (pin = SUNXI_GPC(5); pin <= SUNXI_GPC(6); pin++) { sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2); @@ -541,7 +567,7 @@ void get_board_serial(struct tag_serialnr *serialnr) */ static void parse_spl_header(const uint32_t spl_addr) { - struct boot_file_head *spl = (void *)spl_addr; + struct boot_file_head *spl = (void *)(ulong)spl_addr; if (memcmp(spl->spl_signature, SPL_SIGNATURE, 3) == 0) { uint8_t spl_header_version = spl->spl_signature[3]; if (spl_header_version == SPL_HEADER_VERSION) { diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c index 44d1a76..ce2dc4a 100644 --- a/drivers/mmc/sunxi_mmc.c +++ b/drivers/mmc/sunxi_mmc.c @@ -480,6 +480,10 @@ struct mmc *sunxi_mmc_init(int sdc_no)
cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; cfg->host_caps = MMC_MODE_4BIT; +#ifdef CONFIG_MACH_SUN50I + if (sdc_no == 2) + cfg->host_caps = MMC_MODE_8BIT; +#endif cfg->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS; cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index adc6455..bdb2ff4 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -10,7 +10,7 @@ choice default AXP209_POWER if MACH_SUN4I || MACH_SUN5I || MACH_SUN7I default AXP221_POWER if MACH_SUN6I || MACH_SUN8I_A23 || MACH_SUN8I_A33 default AXP818_POWER if MACH_SUN8I_A83T - default SUNXI_NO_PMIC if MACH_SUN8I_H3 + default SUNXI_NO_PMIC if MACH_SUN8I_H3 || MACH_SUN50I
config SUNXI_NO_PMIC boolean "board without a pmic" diff --git a/include/configs/sun50i.h b/include/configs/sun50i.h new file mode 100644 index 0000000..614c15e --- /dev/null +++ b/include/configs/sun50i.h @@ -0,0 +1,22 @@ +/* + * Configuration settings for the Allwinner A64 (sun50i) CPU + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#define CONFIG_SUNXI_USB_PHYS 1 + +#define CONFIG_TIMER_CLK_FREQ 24000000 +#define COUNTER_FREQUENCY CONFIG_TIMER_CLK_FREQ +#define GICD_BASE 0x1c81000 +#define GICC_BASE 0x1c82000 + +/* + * Include common sunxi configuration where most the settings are + */ +#include <configs/sunxi-common.h> + +#endif /* __CONFIG_H */ diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h index a3994e1..7bea473 100644 --- a/include/configs/sunxi-common.h +++ b/include/configs/sunxi-common.h @@ -90,7 +90,7 @@
#define CONFIG_SPL_BSS_MAX_SIZE 0x00080000 /* 512 KiB */
-#ifdef CONFIG_MACH_SUN9I +#if defined(CONFIG_MACH_SUN9I) || defined(CONFIG_MACH_SUN50I) /* * The A80's A1 sram starts at 0x00010000 rather then at 0x00000000 and is * slightly bigger. Note that it is possible to map the first 32 KiB of the @@ -99,7 +99,7 @@ * the 1 actually activates the mapping of the first 32 KiB to 0x00000000. */ #define CONFIG_SYS_INIT_RAM_ADDR 0x10000 -#define CONFIG_SYS_INIT_RAM_SIZE 0x0a000 /* 40 KiB */ +#define CONFIG_SYS_INIT_RAM_SIZE 0x08000 /* FIXME: 40 KiB ? */ #else #define CONFIG_SYS_INIT_RAM_ADDR 0x0 #define CONFIG_SYS_INIT_RAM_SIZE 0x8000 /* 32 KiB */ @@ -188,8 +188,16 @@
#define CONFIG_SPL_BOARD_LOAD_IMAGE
+#if defined(CONFIG_MACH_SUN9I) +#define CONFIG_SPL_TEXT_BASE 0x10020 /* sram start+header */ +#define CONFIG_SPL_MAX_SIZE 0x5fe0 /* ? KiB on sun9i */ +#elif defined(CONFIG_MACH_SUN50I) +#define CONFIG_SPL_TEXT_BASE 0x10020 /* sram start+header */ +#define CONFIG_SPL_MAX_SIZE 0x7fe0 /* 32 KiB on sun50i */ +#else #define CONFIG_SPL_TEXT_BASE 0x20 /* sram start+header */ #define CONFIG_SPL_MAX_SIZE 0x5fe0 /* 24KB on sun4i/sun7i */ +#endif
#define CONFIG_SPL_LIBDISK_SUPPORT
@@ -197,14 +205,22 @@ #define CONFIG_SPL_MMC_SUPPORT #endif
+#ifndef CONFIG_ARM64 #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" +#endif
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 80 /* 40KiB */ #define CONFIG_SPL_PAD_TO 32768 /* decimal for 'dd' */
+#if defined(CONFIG_MACH_SUN9I) || defined(CONFIG_MACH_SUN50I) +/* FIXME: 40 KiB instead of 32 KiB ? */ +#define LOW_LEVEL_SRAM_STACK 0x00018000 +#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK +#else /* end of 32 KiB in sram */ #define LOW_LEVEL_SRAM_STACK 0x00008000 /* End of sram */ #define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK +#endif
/* I2C */ #if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER || \