diff options
Diffstat (limited to 'roms/u-boot/board/imgtec/boston')
| -rw-r--r-- | roms/u-boot/board/imgtec/boston/Kconfig | 16 | ||||
| -rw-r--r-- | roms/u-boot/board/imgtec/boston/MAINTAINERS | 13 | ||||
| -rw-r--r-- | roms/u-boot/board/imgtec/boston/Makefile | 8 | ||||
| -rw-r--r-- | roms/u-boot/board/imgtec/boston/boston-lcd.h | 20 | ||||
| -rw-r--r-- | roms/u-boot/board/imgtec/boston/boston-regs.h | 25 | ||||
| -rw-r--r-- | roms/u-boot/board/imgtec/boston/checkboard.c | 30 | ||||
| -rw-r--r-- | roms/u-boot/board/imgtec/boston/config.mk | 15 | ||||
| -rw-r--r-- | roms/u-boot/board/imgtec/boston/ddr.c | 36 | ||||
| -rw-r--r-- | roms/u-boot/board/imgtec/boston/dt.c | 27 | ||||
| -rw-r--r-- | roms/u-boot/board/imgtec/boston/lowlevel_init.S | 54 |
10 files changed, 244 insertions, 0 deletions
diff --git a/roms/u-boot/board/imgtec/boston/Kconfig b/roms/u-boot/board/imgtec/boston/Kconfig new file mode 100644 index 000000000..ab76a3c62 --- /dev/null +++ b/roms/u-boot/board/imgtec/boston/Kconfig @@ -0,0 +1,16 @@ +if TARGET_BOSTON + +config SYS_BOARD + default "boston" + +config SYS_VENDOR + default "imgtec" + +config SYS_CONFIG_NAME + default "boston" + +config SYS_TEXT_BASE + default 0x9fc00000 if 32BIT + default 0xffffffff9fc00000 if 64BIT + +endif diff --git a/roms/u-boot/board/imgtec/boston/MAINTAINERS b/roms/u-boot/board/imgtec/boston/MAINTAINERS new file mode 100644 index 000000000..07f6156ff --- /dev/null +++ b/roms/u-boot/board/imgtec/boston/MAINTAINERS @@ -0,0 +1,13 @@ +BOSTON BOARD +M: Paul Burton <paul.burton@mips.com> +S: Maintained +F: board/imgtec/boston/ +F: include/configs/boston.h +F: configs/boston32r2_defconfig +F: configs/boston32r2el_defconfig +F: configs/boston32r6_defconfig +F: configs/boston32r6el_defconfig +F: configs/boston64r2_defconfig +F: configs/boston64r2el_defconfig +F: configs/boston64r6_defconfig +F: configs/boston64r6el_defconfig diff --git a/roms/u-boot/board/imgtec/boston/Makefile b/roms/u-boot/board/imgtec/boston/Makefile new file mode 100644 index 000000000..4271a4def --- /dev/null +++ b/roms/u-boot/board/imgtec/boston/Makefile @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Copyright (C) 2016 Imagination Technologies + +obj-y += checkboard.o +obj-y += ddr.o +obj-y += dt.o +obj-y += lowlevel_init.o diff --git a/roms/u-boot/board/imgtec/boston/boston-lcd.h b/roms/u-boot/board/imgtec/boston/boston-lcd.h new file mode 100644 index 000000000..5f5cd0fe1 --- /dev/null +++ b/roms/u-boot/board/imgtec/boston/boston-lcd.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2016 Imagination Technologies + */ + +#ifndef __BOARD_BOSTON_LCD_H__ +#define __BOARD_BOSTON_LCD_H__ + +/** + * lowlevel_display() - Display a message on Boston's LCD + * @msg: The string to display + * + * Display the string @msg on the 7 character LCD display of the Boston board. + * This is typically used for debug or to present some form of status + * indication to the user, allowing faults to be identified when things go + * wrong early enough that the UART isn't up. + */ +void lowlevel_display(const char msg[static 8]); + +#endif /* __BOARD_BOSTON_LCD_H__ */ diff --git a/roms/u-boot/board/imgtec/boston/boston-regs.h b/roms/u-boot/board/imgtec/boston/boston-regs.h new file mode 100644 index 000000000..673a61cfb --- /dev/null +++ b/roms/u-boot/board/imgtec/boston/boston-regs.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2016 Imagination Technologies + */ + +#ifndef __BOARD_BOSTON_REGS_H__ +#define __BOARD_BOSTON_REGS_H__ + +#include <asm/addrspace.h> + +#define BOSTON_PLAT_BASE CKSEG1ADDR(0x17ffd000) +#define BOSTON_LCD_BASE CKSEG1ADDR(0x17fff000) + +/* + * Platform Register Definitions + */ +#define BOSTON_PLAT_CORE_CL (BOSTON_PLAT_BASE + 0x04) + +#define BOSTON_PLAT_DDR3STAT (BOSTON_PLAT_BASE + 0x14) +# define BOSTON_PLAT_DDR3STAT_CALIB (1 << 2) + +#define BOSTON_PLAT_DDRCONF0 (BOSTON_PLAT_BASE + 0x38) +# define BOSTON_PLAT_DDRCONF0_SIZE (0xf << 0) + +#endif /* __BOARD_BOSTON_REGS_H__ */ diff --git a/roms/u-boot/board/imgtec/boston/checkboard.c b/roms/u-boot/board/imgtec/boston/checkboard.c new file mode 100644 index 000000000..1b8a47d25 --- /dev/null +++ b/roms/u-boot/board/imgtec/boston/checkboard.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2016 Imagination Technologies + */ + +#include <common.h> +#include <init.h> + +#include <asm/io.h> +#include <asm/mipsregs.h> + +#include "boston-lcd.h" +#include "boston-regs.h" + +int checkboard(void) +{ + u32 changelist; + + lowlevel_display("U-boot "); + + printf("Board: MIPS Boston\n"); + + printf("CPU: 0x%08x", read_c0_prid()); + changelist = __raw_readl((uint32_t *)BOSTON_PLAT_CORE_CL); + if (changelist > 1) + printf(" cl%x", changelist); + putc('\n'); + + return 0; +} diff --git a/roms/u-boot/board/imgtec/boston/config.mk b/roms/u-boot/board/imgtec/boston/config.mk new file mode 100644 index 000000000..c1e242f10 --- /dev/null +++ b/roms/u-boot/board/imgtec/boston/config.mk @@ -0,0 +1,15 @@ +# SPDX-License-Identifier: GPL-2.0+ + +quiet_cmd_srec_cat = SRECCAT $@ + cmd_srec_cat = srec_cat -output $@ -$2 \ + $< -binary \ + -fill 0x00 -within $< -binary -range-pad 16 \ + -offset $3 + +u-boot.mcs: u-boot.bin + $(call cmd,srec_cat,intel,0x7c00000) + +# if srec_cat is present build u-boot.mcs by default +has_srec_cat = $(call try-run,srec_cat -VERSion,y,n) +INPUTS-$(has_srec_cat) += u-boot.mcs +CLEAN_FILES += u-boot.mcs diff --git a/roms/u-boot/board/imgtec/boston/ddr.c b/roms/u-boot/board/imgtec/boston/ddr.c new file mode 100644 index 000000000..182f79b91 --- /dev/null +++ b/roms/u-boot/board/imgtec/boston/ddr.c @@ -0,0 +1,36 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2016 Imagination Technologies + */ + +#include <common.h> +#include <init.h> +#include <asm/global_data.h> + +#include <asm/io.h> + +#include "boston-regs.h" + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + u32 ddrconf0 = __raw_readl((uint32_t *)BOSTON_PLAT_DDRCONF0); + + gd->ram_size = (phys_size_t)(ddrconf0 & BOSTON_PLAT_DDRCONF0_SIZE) << + 30; + + return 0; +} + +ulong board_get_usable_ram_top(ulong total_size) +{ + DECLARE_GLOBAL_DATA_PTR; + + if (gd->ram_top < CONFIG_SYS_SDRAM_BASE) { + /* 2GB wrapped around to 0 */ + return CKSEG0ADDR(256 << 20); + } + + return min_t(unsigned long, gd->ram_top, CKSEG0ADDR(256 << 20)); +} diff --git a/roms/u-boot/board/imgtec/boston/dt.c b/roms/u-boot/board/imgtec/boston/dt.c new file mode 100644 index 000000000..bf772ff5d --- /dev/null +++ b/roms/u-boot/board/imgtec/boston/dt.c @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2016 Imagination Technologies + */ + +#include <common.h> +#include <fdt_support.h> +#include <asm/global_data.h> + +int ft_board_setup(void *blob, struct bd_info *bd) +{ + DECLARE_GLOBAL_DATA_PTR; + u64 mem_start[2], mem_size[2]; + int mem_regions; + + mem_start[0] = 0; + mem_size[0] = min_t(u64, 256llu << 20, gd->ram_size); + mem_regions = 1; + + if (gd->ram_size > mem_size[0]) { + mem_start[1] = 0x80000000 + mem_size[0]; + mem_size[1] = gd->ram_size - mem_size[0]; + mem_regions++; + } + + return fdt_fixup_memory_banks(blob, mem_start, mem_size, mem_regions); +} diff --git a/roms/u-boot/board/imgtec/boston/lowlevel_init.S b/roms/u-boot/board/imgtec/boston/lowlevel_init.S new file mode 100644 index 000000000..2761bf2cd --- /dev/null +++ b/roms/u-boot/board/imgtec/boston/lowlevel_init.S @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2016 Imagination Technologies + */ + +#include <config.h> + +#include <asm/addrspace.h> +#include <asm/asm.h> +#include <asm/mipsregs.h> +#include <asm/regdef.h> + +#include "boston-regs.h" + +.data + +msg_ddr_cal: .ascii "DDR Cal " +msg_ddr_ok: .ascii "DDR OK " + +.text + +LEAF(lowlevel_init) + move s0, ra + + PTR_LA a0, msg_ddr_cal + bal lowlevel_display + + PTR_LI t0, BOSTON_PLAT_DDR3STAT +1: lw t1, 0(t0) + andi t1, t1, BOSTON_PLAT_DDR3STAT_CALIB + beqz t1, 1b + + PTR_LA a0, msg_ddr_ok + bal lowlevel_display + + jr s0 + END(lowlevel_init) + +LEAF(lowlevel_display) + .set push + .set noat + PTR_LI AT, BOSTON_LCD_BASE +#ifdef CONFIG_64BIT + ld k1, 0(a0) + sd k1, 0(AT) +#else + lw k1, 0(a0) + sw k1, 0(AT) + lw k1, 4(a0) + sw k1, 4(AT) +#endif + .set pop + jr ra + END(lowlevel_display) |