diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/ls1046ardb.h | 2 | ||||
| -rw-r--r-- | include/configs/vexpress_aemv8.h | 159 | ||||
| -rw-r--r-- | include/fs.h | 1 | ||||
| -rw-r--r-- | include/semihosting.h | 149 | ||||
| -rw-r--r-- | include/semihostingfs.h | 21 | ||||
| -rw-r--r-- | include/serial.h | 19 |
6 files changed, 311 insertions, 40 deletions
diff --git a/include/configs/ls1046ardb.h b/include/configs/ls1046ardb.h index 04c3ad02c8f..df699bca34a 100644 --- a/include/configs/ls1046ardb.h +++ b/include/configs/ls1046ardb.h @@ -140,6 +140,8 @@ #endif #endif +#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" + #include <asm/fsl_secure_boot.h> #endif /* __LS1046ARDB_H__ */ diff --git a/include/configs/vexpress_aemv8.h b/include/configs/vexpress_aemv8.h index b956bd91478..4f0ff239e68 100644 --- a/include/configs/vexpress_aemv8.h +++ b/include/configs/vexpress_aemv8.h @@ -20,8 +20,13 @@ #define CONFIG_SYS_BOOTM_LEN (64 << 20) /* Increase max gunzip size */ /* CS register bases for the original memory map. */ -#define V2M_BASE 0x80000000 +#ifdef CONFIG_TARGET_VEXPRESS64_BASER_FVP +#define V2M_DRAM_BASE 0x00000000 +#define V2M_PA_BASE 0x80000000 +#else +#define V2M_DRAM_BASE 0x80000000 #define V2M_PA_BASE 0x00000000 +#endif #define V2M_PA_CS0 (V2M_PA_BASE + 0x00000000) #define V2M_PA_CS1 (V2M_PA_BASE + 0x14000000) @@ -99,10 +104,8 @@ #define CONFIG_PL011_CLOCK 24000000 #endif -/* Miscellaneous configurable options */ - /* Physical Memory Map */ -#define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */ +#define PHYS_SDRAM_1 (V2M_DRAM_BASE) /* SDRAM Bank #1 */ /* Top 16MB reserved for secure world use */ #define DRAM_SEC_SIZE 0x01000000 #define PHYS_SDRAM_1_SIZE 0x80000000 - DRAM_SEC_SIZE @@ -116,11 +119,7 @@ #define PHYS_SDRAM_2_SIZE 0x80000000 #endif -/* Enable memtest */ - -/* Initial environment variables */ -#ifdef CONFIG_TARGET_VEXPRESS64_JUNO -/* Copy the kernel and FDT to DRAM memory and boot */ +/* Copy the kernel, initrd and FDT from NOR flash to DRAM memory and boot. */ #define BOOTENV_DEV_AFS(devtypeu, devtypel, instance) \ "bootcmd_afs=" \ "afs load ${kernel_name} ${kernel_addr_r} ;"\ @@ -143,6 +142,54 @@ "booti ${kernel_addr_r} ${ramdisk_param} ${fdt_addr_r}\0" #define BOOTENV_DEV_NAME_AFS(devtypeu, devtypel, instance) "afs " +/* Boot by executing a U-Boot script pre-loaded into DRAM. */ +#define BOOTENV_DEV_MEM(devtypeu, devtypel, instance) \ + "bootcmd_mem= " \ + "source ${scriptaddr}; " \ + "if test $? -eq 1; then " \ + " env import -t ${scriptaddr}; " \ + " if test -n $uenvcmd; then " \ + " echo Running uenvcmd ...; " \ + " run uenvcmd; " \ + " fi; " \ + "fi\0" +#define BOOTENV_DEV_NAME_MEM(devtypeu, devtypel, instance) "mem " + +#ifdef CONFIG_CMD_VIRTIO +#define FUNC_VIRTIO(func) func(VIRTIO, virtio, 0) +#else +#define FUNC_VIRTIO(func) +#endif + +/* + * Boot by loading an Android image, or kernel, initrd and FDT through + * semihosting into DRAM. + */ +#define BOOTENV_DEV_SMH(devtypeu, devtypel, instance) \ + "bootcmd_smh= " \ + "if load hostfs - ${boot_addr_r} ${boot_name}; then" \ + " setenv bootargs;" \ + " abootimg addr ${boot_addr_r};" \ + " abootimg get dtb --index=0 fdt_addr_r;" \ + " bootm ${boot_addr_r} ${boot_addr_r} ${fdt_addr_r};" \ + "else" \ + " if load hostfs - ${kernel_addr_r} ${kernel_name}; then" \ + " setenv fdt_high 0xffffffffffffffff;" \ + " setenv initrd_high 0xffffffffffffffff;" \ + " load hostfs - ${fdt_addr_r} ${fdtfile};" \ + " load hostfs - ${ramdisk_addr_r} ${ramdisk_name};" \ + " fdt addr ${fdt_addr_r};" \ + " fdt resize;" \ + " fdt chosen ${ramdisk_addr_r} ${filesize};" \ + " booti $kernel_addr_r - $fdt_addr_r;" \ + " fi;" \ + "fi\0" +#define BOOTENV_DEV_NAME_SMH(devtypeu, devtypel, instance) "smh " + +/* Boot sources for distro boot and load addresses, per board */ + +#ifdef CONFIG_TARGET_VEXPRESS64_JUNO /* Arm Juno board */ + #define BOOT_TARGET_DEVICES(func) \ func(USB, usb, 0) \ func(SATA, sata, 0) \ @@ -151,42 +198,74 @@ func(DHCP, dhcp, na) \ func(AFS, afs, na) -#include <config_distro_bootcmd.h> +#define VEXPRESS_KERNEL_ADDR 0x80080000 +#define VEXPRESS_PXEFILE_ADDR 0x8fb00000 +#define VEXPRESS_FDT_ADDR 0x8fc00000 +#define VEXPRESS_SCRIPT_ADDR 0x8fd00000 +#define VEXPRESS_RAMDISK_ADDR 0x8fe00000 -/* - * Defines where the kernel and FDT exist in NOR flash and where it will - * be copied into DRAM - */ -#define CONFIG_EXTRA_ENV_SETTINGS \ - "kernel_name=norkern\0" \ - "kernel_alt_name=Image\0" \ - "kernel_addr_r=0x80080000\0" \ - "ramdisk_name=ramdisk.img\0" \ - "ramdisk_addr_r=0x88000000\0" \ - "fdtfile=board.dtb\0" \ - "fdt_alt_name=juno\0" \ - "fdt_addr_r=0x80000000\0" \ - BOOTENV - -#elif CONFIG_TARGET_VEXPRESS64_BASE_FVP - -#define VEXPRESS_KERNEL_ADDR 0x80080000 -#define VEXPRESS_FDT_ADDR 0x8fc00000 -#define VEXPRESS_BOOT_ADDR 0x8fd00000 -#define VEXPRESS_RAMDISK_ADDR 0x8fe00000 +#define EXTRA_ENV_NAMES \ + "kernel_name=norkern\0" \ + "kernel_alt_name=Image\0" \ + "ramdisk_name=ramdisk.img\0" \ + "fdtfile=board.dtb\0" \ + "fdt_alt_name=juno\0" -#define CONFIG_EXTRA_ENV_SETTINGS \ - "kernel_name=Image\0" \ - "kernel_addr_r=" __stringify(VEXPRESS_KERNEL_ADDR) "\0" \ - "ramdisk_name=ramdisk.img\0" \ - "ramdisk_addr_r=" __stringify(VEXPRESS_RAMDISK_ADDR) "\0" \ - "fdtfile=devtree.dtb\0" \ - "fdt_addr_r=" __stringify(VEXPRESS_FDT_ADDR) "\0" \ - "boot_name=boot.img\0" \ - "boot_addr_r=" __stringify(VEXPRESS_BOOT_ADDR) "\0" +#elif CONFIG_TARGET_VEXPRESS64_BASE_FVP /* ARMv8-A base model */ + +#define BOOT_TARGET_DEVICES(func) \ + func(SMH, smh, na) \ + func(MEM, mem, na) \ + FUNC_VIRTIO(func) \ + func(PXE, pxe, na) \ + func(DHCP, dhcp, na) + +#define VEXPRESS_KERNEL_ADDR 0x80080000 +#define VEXPRESS_PXEFILE_ADDR 0x8fa00000 +#define VEXPRESS_SCRIPT_ADDR 0x8fb00000 +#define VEXPRESS_FDT_ADDR 0x8fc00000 +#define VEXPRESS_BOOT_ADDR 0x8fd00000 +#define VEXPRESS_RAMDISK_ADDR 0x8fe00000 + +#define EXTRA_ENV_NAMES \ + "kernel_name=Image\0" \ + "ramdisk_name=ramdisk.img\0" \ + "fdtfile=devtree.dtb\0" \ + "boot_name=boot.img\0" \ + "boot_addr_r=" __stringify(VEXPRESS_BOOT_ADDR) "\0" +#elif CONFIG_TARGET_VEXPRESS64_BASER_FVP /* ARMv8-R base model */ + +#define BOOT_TARGET_DEVICES(func) \ + func(MEM, mem, na) \ + FUNC_VIRTIO(func) \ + func(PXE, pxe, na) \ + func(DHCP, dhcp, na) + +#define VEXPRESS_KERNEL_ADDR 0x00200000 +#define VEXPRESS_PXEFILE_ADDR 0x0fb00000 +#define VEXPRESS_FDT_ADDR 0x0fc00000 +#define VEXPRESS_SCRIPT_ADDR 0x0fd00000 +#define VEXPRESS_RAMDISK_ADDR 0x0fe00000 + +#define EXTRA_ENV_NAMES \ + "kernel_name=Image\0" \ + "ramdisk_name=ramdisk.img\0" \ + "fdtfile=board.dtb\0" #endif +#include <config_distro_bootcmd.h> + +/* Default load addresses and names for the different payloads. */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + "kernel_addr_r=" __stringify(VEXPRESS_KERNEL_ADDR) "\0" \ + "ramdisk_addr_r=" __stringify(VEXPRESS_RAMDISK_ADDR) "\0" \ + "pxefile_addr_r=" __stringify(VEXPRESS_PXEFILE_ADDR) "\0" \ + "fdt_addr_r=" __stringify(VEXPRESS_FDT_ADDR) "\0" \ + "scriptaddr=" __stringify(VEXPRESS_SCRIPT_ADDR) "\0" \ + EXTRA_ENV_NAMES \ + BOOTENV + /* Monitor Command Prompt */ #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ #define CONFIG_SYS_MAXARGS 64 /* max command args */ diff --git a/include/fs.h b/include/fs.h index b607b0028dc..e2beba36b98 100644 --- a/include/fs.h +++ b/include/fs.h @@ -18,6 +18,7 @@ struct cmd_tbl; #define FS_TYPE_BTRFS 5 #define FS_TYPE_SQUASHFS 6 #define FS_TYPE_EROFS 7 +#define FS_TYPE_SEMIHOSTING 8 struct blk_desc; diff --git a/include/semihosting.h b/include/semihosting.h new file mode 100644 index 00000000000..f1f73464e4f --- /dev/null +++ b/include/semihosting.h @@ -0,0 +1,149 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2022 Sean Anderson <[email protected]> + */ + +#ifndef _SEMIHOSTING_H +#define _SEMIHOSTING_H + +/* + * These are the encoded instructions used to indicate a semihosting trap. They + * are named like SMH_ISA_INSN, where ISA is the instruction set (e.g. + * AArch64), and INSN is the mneumonic for the instruction. + */ +#define SMH_A64_HLT 0xD45E0000 +#define SMH_A32_SVC 0xEF123456 +#define SMH_A32_HLT 0xE10F0070 +#define SMH_T32_SVC 0xDFAB +#define SMH_T32_HLT 0xBABC + +#if CONFIG_IS_ENABLED(SEMIHOSTING_FALLBACK) +/** + * semihosting_enabled() - Determine whether semihosting is supported + * + * Semihosting-based drivers should call this function before making other + * semihosting calls. + * + * Return: %true if a debugger is attached which supports semihosting, %false + * otherwise + */ +bool semihosting_enabled(void); + +/** + * disable_semihosting() - Cause semihosting_enabled() to return false + * + * If U-Boot ever receives an unhandled exception caused by a semihosting trap, + * the trap handler should call this function. + */ +void disable_semihosting(void); +#else +static inline bool semihosting_enabled(void) +{ + return CONFIG_IS_ENABLED(SEMIHOSTING); +} + +static inline void disable_semihosting(void) +{ +} +#endif + +/** + * enum smh_open_mode - Numeric file modes for use with smh_open() + * MODE_READ: 'r' + * MODE_BINARY: 'b' + * MODE_PLUS: '+' + * MODE_WRITE: 'w' + * MODE_APPEND: 'a' + * + * These modes represent the mode string used by fopen(3) in a form which can + * be passed to smh_open(). These do NOT correspond directly to %O_RDONLY, + * %O_CREAT, etc; see fopen(3) for details. In particular, @MODE_PLUS + * effectively results in adding %O_RDWR, and @MODE_WRITE will add %O_TRUNC. + * For compatibility, @MODE_BINARY should be added when opening non-text files + * (such as images). + */ +enum smh_open_mode { + MODE_READ = 0x0, + MODE_BINARY = 0x1, + MODE_PLUS = 0x2, + MODE_WRITE = 0x4, + MODE_APPEND = 0x8, +}; + +/** + * smh_open() - Open a file on the host + * @fname: The name of the file to open + * @mode: The mode to use when opening the file + * + * Return: Either a file descriptor or a negative error on failure + */ +long smh_open(const char *fname, enum smh_open_mode mode); + +/** + * smh_read() - Read data from a file + * @fd: A file descriptor returned from smh_open() + * @memp: Pointer to a buffer of memory of at least @len bytes + * @len: The number of bytes to read + * + * Return: + * * The number of bytes read on success, with 0 indicating %EOF + * * A negative error on failure + */ +long smh_read(long fd, void *memp, size_t len); + +/** + * smh_write() - Write data to a file + * @fd: A file descriptor returned from smh_open() + * @memp: Pointer to a buffer of memory of at least @len bytes + * @len: The number of bytes to read + * @written: Pointer which will be updated with the actual bytes written + * + * Return: 0 on success or negative error on failure + */ +long smh_write(long fd, const void *memp, size_t len, ulong *written); + +/** + * smh_close() - Close an open file + * @fd: A file descriptor returned from smh_open() + * + * Return: 0 on success or negative error on failure + */ +long smh_close(long fd); + +/** + * smh_flen() - Get the length of a file + * @fd: A file descriptor returned from smh_open() + * + * Return: The length of the file, in bytes, or a negative error on failure + */ +long smh_flen(long fd); + +/** + * smh_seek() - Seek to a position in a file + * @fd: A file descriptor returned from smh_open() + * @pos: The offset (in bytes) to seek to + * + * Return: 0 on success or negative error on failure + */ +long smh_seek(long fd, long pos); + +/** + * smh_getc() - Read a character from stdin + * + * Return: The character read, or a negative error on failure + */ +int smh_getc(void); + +/** + * smh_putc() - Print a character on stdout + * @ch: The character to print + */ +void smh_putc(char ch); + +/** + * smh_write0() - Print a nul-terminated string on stdout + * @s: The string to print + */ +void smh_puts(const char *s); + +#endif /* _SEMIHOSTING_H */ diff --git a/include/semihostingfs.h b/include/semihostingfs.h new file mode 100644 index 00000000000..25ebdbbeff3 --- /dev/null +++ b/include/semihostingfs.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2022, Sean Anderson <[email protected]> + * Copyright (c) 2012, Google Inc. + */ + +#ifndef __SEMIHOSTING_FS__ +#define __SEMIHOSTING_FS__ + +struct blk_desc; +struct disk_partition; + +int smh_fs_set_blk_dev(struct blk_desc *rbdd, struct disk_partition *info); +void smh_fs_close(void); +int smh_fs_size(const char *filename, loff_t *size); +int smh_fs_read(const char *filename, void *buf, loff_t offset, loff_t len, + loff_t *actread); +int smh_fs_write(const char *filename, void *buf, loff_t offset, + loff_t len, loff_t *actwrite); + +#endif diff --git a/include/serial.h b/include/serial.h index 19a8c0c67d2..8c2e7adbc32 100644 --- a/include/serial.h +++ b/include/serial.h @@ -23,6 +23,7 @@ struct serial_device { void default_serial_puts(const char *s); extern struct serial_device serial_smc_device; +extern struct serial_device serial_smh_device; extern struct serial_device serial_scc_device; extern struct serial_device *default_serial_console(void); @@ -195,6 +196,24 @@ struct dm_serial_ops { */ int (*putc)(struct udevice *dev, const char ch); /** + * puts() - Write a string + * + * This writes a string. This function should be implemented only if + * writing multiple characters at once is more performant than just + * calling putc() in a loop. + * + * If the whole string cannot be written at once, then this function + * should return the number of characters written. Returning a negative + * error code implies that no characters were written. If this function + * returns 0, then it will be called again with the same arguments. + * + * @dev: Device pointer + * @s: The string to write + * @len: The length of the string to write. + * @return The number of characters written on success, or -ve on error + */ + ssize_t (*puts)(struct udevice *dev, const char *s, size_t len); + /** * pending() - Check if input/output characters are waiting * * This can be used to return an indication of the number of waiting |