diff options
| -rw-r--r-- | arch/mips/Kconfig | 1 | ||||
| -rw-r--r-- | arch/mips/dts/mt7628-u-boot.dtsi | 38 | ||||
| -rw-r--r-- | arch/mips/dts/mt7628a.dtsi | 2 | ||||
| -rw-r--r-- | arch/mips/mach-mtmips/Kconfig | 27 | ||||
| -rw-r--r-- | arch/mips/mach-mtmips/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/mach-mtmips/include/mach/serial.h | 13 | ||||
| -rw-r--r-- | arch/mips/mach-mtmips/mt7628/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/mach-mtmips/mt7628/serial.c | 34 | ||||
| -rw-r--r-- | arch/mips/mach-mtmips/spl.c | 44 |
9 files changed, 160 insertions, 1 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 7b9d007..48e754c 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -98,6 +98,7 @@ config ARCH_MTMIPS select SUPPORTS_CPU_MIPS32_R2 select SUPPORTS_LITTLE_ENDIAN select SYSRESET + select SUPPORT_SPL config ARCH_JZ47XX bool "Support Ingenic JZ47xx" diff --git a/arch/mips/dts/mt7628-u-boot.dtsi b/arch/mips/dts/mt7628-u-boot.dtsi new file mode 100644 index 0000000..eea5dc6 --- /dev/null +++ b/arch/mips/dts/mt7628-u-boot.dtsi @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 MediaTek Inc. + * + * Author: Weijie Gao <weijie.gao@mediatek.com> + */ + +&palmbus { + u-boot,dm-pre-reloc; +}; + +&reboot { + u-boot,dm-pre-reloc; +}; + +&clkctrl { + u-boot,dm-pre-reloc; +}; + +&rstctrl { + u-boot,dm-pre-reloc; +}; + +&pinctrl { + u-boot,dm-pre-reloc; +}; + +&uart0 { + u-boot,dm-pre-reloc; +}; + +&uart1 { + u-boot,dm-pre-reloc; +}; + +&uart2 { + u-boot,dm-pre-reloc; +}; diff --git a/arch/mips/dts/mt7628a.dtsi b/arch/mips/dts/mt7628a.dtsi index 2200135..6baa63a 100644 --- a/arch/mips/dts/mt7628a.dtsi +++ b/arch/mips/dts/mt7628a.dtsi @@ -33,7 +33,7 @@ #clock-cells = <0>; }; - palmbus@10000000 { + palmbus: palmbus@10000000 { compatible = "palmbus", "simple-bus"; reg = <0x10000000 0x200000>; ranges = <0x0 0x10000000 0x1FFFFF>; diff --git a/arch/mips/mach-mtmips/Kconfig b/arch/mips/mach-mtmips/Kconfig index 3f25de8..83d7648 100644 --- a/arch/mips/mach-mtmips/Kconfig +++ b/arch/mips/mach-mtmips/Kconfig @@ -20,8 +20,18 @@ config SYS_ICACHE_LINE_SIZE default 32 config SYS_TEXT_BASE + default 0x9c000000 if !SPL + default 0x80200000 if SPL + +config SPL_TEXT_BASE default 0x9c000000 +config SPL_PAYLOAD + default "u-boot-lzma.img" if SPL_LZMA + +config BUILD_TARGET + default "u-boot-with-spl.bin" if SPL + choice prompt "MediaTek MIPS SoC select" @@ -34,6 +44,15 @@ config SOC_MT7628 select PINCTRL_MT7628 select MTK_SERIAL select SYSRESET_RESETCTL + select SPL_SEPARATE_BSS if SPL + select SPL_INIT_STACK_WITHOUT_MALLOC_F if SPL + select SPL_LOADER_SUPPORT if SPL + select SPL_OF_CONTROL if SPL_DM + select SPL_SIMPLE_BUS if SPL_DM + select SPL_DM_SERIAL if SPL_DM + select SPL_CLK if SPL_DM && SPL_SERIAL_SUPPORT + select SPL_SYSRESET if SPL_DM + select SPL_OF_LIBFDT if SPL_OF_CONTROL help This supports MediaTek MT7628/MT7688. @@ -88,6 +107,14 @@ endchoice config SUPPORTS_BOOT_RAM bool +config SPL_UART2_SPIS_PINMUX + bool "Use alternative pinmux for UART2 in SPL stage" + depends on SPL_SERIAL_SUPPORT + default n + help + Select this if the UART2 of your board is connected to GPIO 16/17 + (shared with SPIS) rather than the usual GPIO 20/21. + source "board/gardena/smart-gateway-mt7688/Kconfig" source "board/seeed/linkit-smart-7688/Kconfig" diff --git a/arch/mips/mach-mtmips/Makefile b/arch/mips/mach-mtmips/Makefile index 72f0369..a7e6a66 100644 --- a/arch/mips/mach-mtmips/Makefile +++ b/arch/mips/mach-mtmips/Makefile @@ -3,5 +3,6 @@ obj-y += cpu.o obj-y += ddr_init.o obj-y += ddr_cal.o +obj-$(CONFIG_SPL_BUILD) += spl.o obj-$(CONFIG_SOC_MT7628) += mt7628/ diff --git a/arch/mips/mach-mtmips/include/mach/serial.h b/arch/mips/mach-mtmips/include/mach/serial.h new file mode 100644 index 0000000..bfa246b --- /dev/null +++ b/arch/mips/mach-mtmips/include/mach/serial.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020 MediaTek Inc. + * + * Author: Weijie Gao <weijie.gao@mediatek.com> + */ + +#ifndef _MTMIPS_SERIAL_H_ +#define _MTMIPS_SERIAL_H_ + +void mtmips_spl_serial_init(void); + +#endif /* _MTMIPS_SERIAL_H_ */ diff --git a/arch/mips/mach-mtmips/mt7628/Makefile b/arch/mips/mach-mtmips/mt7628/Makefile index db62e90..7e139d5 100644 --- a/arch/mips/mach-mtmips/mt7628/Makefile +++ b/arch/mips/mach-mtmips/mt7628/Makefile @@ -3,3 +3,4 @@ obj-y += lowlevel_init.o obj-y += init.o obj-y += ddr.o +obj-$(CONFIG_SPL_BUILD) += serial.o diff --git a/arch/mips/mach-mtmips/mt7628/serial.c b/arch/mips/mach-mtmips/mt7628/serial.c new file mode 100644 index 0000000..a7d3247 --- /dev/null +++ b/arch/mips/mach-mtmips/mt7628/serial.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 MediaTek Inc. + * + * Author: Weijie Gao <weijie.gao@mediatek.com> + */ + +#include <common.h> +#include <asm/io.h> +#include "mt7628.h" + +void mtmips_spl_serial_init(void) +{ +#ifdef CONFIG_SPL_SERIAL_SUPPORT + void __iomem *base = ioremap_nocache(SYSCTL_BASE, SYSCTL_SIZE); + +#if CONFIG_CONS_INDEX == 1 + clrbits_32(base + SYSCTL_GPIO_MODE1_REG, UART0_MODE_M); +#elif CONFIG_CONS_INDEX == 2 + clrbits_32(base + SYSCTL_GPIO_MODE1_REG, UART1_MODE_M); +#elif CONFIG_CONS_INDEX == 3 + setbits_32(base + SYSCTL_AGPIO_CFG_REG, EPHY_GPIO_AIO_EN_M); +#ifdef CONFIG_SPL_UART2_SPIS_PINMUX + setbits_32(base + SYSCTL_GPIO_MODE1_REG, SPIS_MODE_M); + clrsetbits_32(base + SYSCTL_GPIO_MODE1_REG, UART2_MODE_M, + 1 << UART2_MODE_S); +#else + clrbits_32(base + SYSCTL_GPIO_MODE1_REG, UART2_MODE_M); + clrsetbits_32(base + SYSCTL_GPIO_MODE1_REG, SPIS_MODE_M, + 1 << SPIS_MODE_S); +#endif /* CONFIG_SPL_UART2_SPIS_PINMUX */ +#endif /* CONFIG_CONS_INDEX */ +#endif /* CONFIG_SPL_SERIAL_SUPPORT */ +} diff --git a/arch/mips/mach-mtmips/spl.c b/arch/mips/mach-mtmips/spl.c new file mode 100644 index 0000000..2a24af7 --- /dev/null +++ b/arch/mips/mach-mtmips/spl.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 MediaTek Inc. All Rights Reserved. + * + * Author: Weijie Gao <weijie.gao@mediatek.com> + */ + +#include <common.h> +#include <fdt.h> +#include <spl.h> +#include <asm/sections.h> +#include <linux/sizes.h> +#include <mach/serial.h> + +void __noreturn board_init_f(ulong dummy) +{ + spl_init(); + +#ifdef CONFIG_SPL_SERIAL_SUPPORT + /* + * mtmips_spl_serial_init() is useful if debug uart is enabled, + * or DM based serial is not enabled. + */ + mtmips_spl_serial_init(); + preloader_console_init(); +#endif + + board_init_r(NULL, 0); +} + +void board_boot_order(u32 *spl_boot_list) +{ + spl_boot_list[0] = BOOT_DEVICE_NOR; +} + +unsigned long spl_nor_get_uboot_base(void) +{ + void *uboot_base = __image_copy_end; + + if (fdt_magic(uboot_base) == FDT_MAGIC) + return (unsigned long)uboot_base + fdt_totalsize(uboot_base); + + return (unsigned long)uboot_base; +} |