mirror of
https://github.com/AsahiLinux/u-boot
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261d27605c
The armv8 ARM Trusted Firmware (ATF) can be used to load various ATF images and u-boot, and does this for virtual platforms by using semihosting. This commit extends this idea by allowing u-boot to also use semihosting to load the kernel/ramdisk/dtb. This eliminates the need for a bootwrapper and produces a more realistic boot sequence with virtual models. Though the semihosting code is quite generic, support for armv7 in fastmodel is less useful due to the wide range of available silicon and the lack of a free armv7 fastmodel, so this change contains an untested armv7 placeholder for the service trap opcode. Please refer to doc/README.semihosting for a more detailed description of semihosting and how it is used with the armv8 virtual platforms. Signed-off-by: Darwin Rambo <drambo@broadcom.com> Cc: trini@ti.com Cc: fenghua@phytium.com.cn Cc: bhupesh.sharma@freescale.com
245 lines
6.8 KiB
C
245 lines
6.8 KiB
C
/*
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* Configuration for Versatile Express. Parts were derived from other ARM
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* configurations.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __VEXPRESS_AEMV8A_H
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#define __VEXPRESS_AEMV8A_H
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#define DEBUG
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#ifdef CONFIG_BASE_FVP
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#ifndef CONFIG_SEMIHOSTING
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#error CONFIG_BASE_FVP requires CONFIG_SEMIHOSTING
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#endif
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#define CONFIG_BOARD_LATE_INIT
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#define CONFIG_ARMV8_SWITCH_TO_EL1
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#endif
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#define CONFIG_REMAKE_ELF
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#ifndef CONFIG_BASE_FVP
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/* Base FVP not using GICv3 yet */
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#define CONFIG_GICV3
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#endif
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/*#define CONFIG_ARMV8_SWITCH_TO_EL1*/
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/*#define CONFIG_SYS_GENERIC_BOARD*/
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#define CONFIG_SYS_NO_FLASH
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#define CONFIG_SUPPORT_RAW_INITRD
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/* Cache Definitions */
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#define CONFIG_SYS_DCACHE_OFF
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#define CONFIG_SYS_ICACHE_OFF
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#define CONFIG_IDENT_STRING " vexpress_aemv8a"
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#define CONFIG_BOOTP_VCI_STRING "U-boot.armv8.vexpress_aemv8a"
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/* Link Definitions */
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#ifdef CONFIG_BASE_FVP
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/* ATF loads u-boot here for BASE_FVP model */
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#define CONFIG_SYS_TEXT_BASE 0x88000000
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#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x03f00000)
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#else
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#define CONFIG_SYS_TEXT_BASE 0x80000000
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#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
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#endif
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/* Flat Device Tree Definitions */
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#define CONFIG_OF_LIBFDT
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#define CONFIG_DEFAULT_DEVICE_TREE vexpress64
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/* SMP Spin Table Definitions */
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#ifdef CONFIG_BASE_FVP
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#define CPU_RELEASE_ADDR (CONFIG_SYS_SDRAM_BASE + 0x03f00000)
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#else
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#define CPU_RELEASE_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
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#endif
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/* CS register bases for the original memory map. */
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#define V2M_PA_CS0 0x00000000
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#define V2M_PA_CS1 0x14000000
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#define V2M_PA_CS2 0x18000000
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#define V2M_PA_CS3 0x1c000000
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#define V2M_PA_CS4 0x0c000000
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#define V2M_PA_CS5 0x10000000
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#define V2M_PERIPH_OFFSET(x) (x << 16)
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#define V2M_SYSREGS (V2M_PA_CS3 + V2M_PERIPH_OFFSET(1))
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#define V2M_SYSCTL (V2M_PA_CS3 + V2M_PERIPH_OFFSET(2))
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#define V2M_SERIAL_BUS_PCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(3))
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#define V2M_BASE 0x80000000
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/*
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* Physical addresses, offset from V2M_PA_CS0-3
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*/
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#define V2M_NOR0 (V2M_PA_CS0)
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#define V2M_NOR1 (V2M_PA_CS4)
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#define V2M_SRAM (V2M_PA_CS1)
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/* Common peripherals relative to CS7. */
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#define V2M_AACI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(4))
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#define V2M_MMCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(5))
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#define V2M_KMI0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(6))
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#define V2M_KMI1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(7))
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#define V2M_UART0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(9))
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#define V2M_UART1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(10))
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#define V2M_UART2 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(11))
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#define V2M_UART3 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(12))
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#define V2M_WDT (V2M_PA_CS3 + V2M_PERIPH_OFFSET(15))
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#define V2M_TIMER01 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(17))
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#define V2M_TIMER23 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(18))
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#define V2M_SERIAL_BUS_DVI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(22))
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#define V2M_RTC (V2M_PA_CS3 + V2M_PERIPH_OFFSET(23))
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#define V2M_CF (V2M_PA_CS3 + V2M_PERIPH_OFFSET(26))
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#define V2M_CLCD (V2M_PA_CS3 + V2M_PERIPH_OFFSET(31))
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/* System register offsets. */
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#define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0)
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#define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4)
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#define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8)
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/* Generic Timer Definitions */
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#define COUNTER_FREQUENCY (0x1800000) /* 24MHz */
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/* Generic Interrupt Controller Definitions */
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#ifdef CONFIG_GICV3
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#define GICD_BASE (0x2f000000)
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#define GICR_BASE (0x2f100000)
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#else
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#ifdef CONFIG_BASE_FVP
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#define GICD_BASE (0x2f000000)
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#define GICC_BASE (0x2c000000)
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#else
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#define GICD_BASE (0x2C001000)
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#define GICC_BASE (0x2C002000)
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#endif
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#endif
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#define CONFIG_SYS_MEMTEST_START V2M_BASE
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#define CONFIG_SYS_MEMTEST_END (V2M_BASE + 0x80000000)
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/* Size of malloc() pool */
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#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024)
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/* SMSC91C111 Ethernet Configuration */
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#define CONFIG_SMC91111 1
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#define CONFIG_SMC91111_BASE (0x01A000000)
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/* PL011 Serial Configuration */
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#define CONFIG_PL011_SERIAL
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#define CONFIG_PL011_CLOCK 24000000
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#define CONFIG_PL01x_PORTS {(void *)CONFIG_SYS_SERIAL0, \
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(void *)CONFIG_SYS_SERIAL1}
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#define CONFIG_CONS_INDEX 0
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_SYS_SERIAL0 V2M_UART0
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#define CONFIG_SYS_SERIAL1 V2M_UART1
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/* Command line configuration */
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#define CONFIG_MENU
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/*#define CONFIG_MENU_SHOW*/
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#define CONFIG_CMD_CACHE
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#define CONFIG_CMD_BDI
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#define CONFIG_CMD_DHCP
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#define CONFIG_CMD_PXE
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#define CONFIG_CMD_ENV
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#define CONFIG_CMD_FLASH
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#define CONFIG_CMD_IMI
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#define CONFIG_CMD_MEMORY
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#define CONFIG_CMD_MII
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#define CONFIG_CMD_NET
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#define CONFIG_CMD_PING
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#define CONFIG_CMD_SAVEENV
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#define CONFIG_CMD_RUN
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#define CONFIG_CMD_BOOTD
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#define CONFIG_CMD_ECHO
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#define CONFIG_CMD_SOURCE
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#define CONFIG_CMD_FAT
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#define CONFIG_DOS_PARTITION
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/* BOOTP options */
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#define CONFIG_BOOTP_BOOTFILESIZE
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_HOSTNAME
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#define CONFIG_BOOTP_PXE
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#define CONFIG_BOOTP_PXE_CLIENTARCH 0x100
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/* Miscellaneous configurable options */
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#define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x10000000)
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/* Physical Memory Map */
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#define CONFIG_NR_DRAM_BANKS 1
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#define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */
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#define PHYS_SDRAM_1_SIZE 0x80000000 /* 2048 MB */
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#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
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/* Initial environment variables */
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#ifdef CONFIG_BASE_FVP
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"kernel_name=uImage\0" \
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"kernel_addr_r=0x80000000\0" \
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"initrd_name=ramdisk.img\0" \
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"initrd_addr_r=0x88000000\0" \
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"fdt_name=devtree.dtb\0" \
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"fdt_addr_r=0x83000000\0" \
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"fdt_high=0xffffffffffffffff\0" \
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"initrd_high=0xffffffffffffffff\0"
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#define CONFIG_BOOTARGS "console=ttyAMA0 earlyprintk=pl011,"\
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"0x1c090000 debug user_debug=31 "\
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"loglevel=9"
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#define CONFIG_BOOTCOMMAND "fdt addr $fdt_addr_r; fdt resize; " \
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"fdt chosen $initrd_addr_r $initrd_end; " \
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"bootm $kernel_addr_r - $fdt_addr_r"
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#define CONFIG_BOOTDELAY 1
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#else
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"kernel_addr_r=0x200000\0" \
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"initrd_addr_r=0xa00000\0" \
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"initrd_size=0x2000000\0" \
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"fdt_addr_r=0x100000\0" \
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"fdt_high=0xa0000000\0"
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#define CONFIG_BOOTARGS "console=ttyAMA0 root=/dev/ram0"
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#define CONFIG_BOOTCOMMAND "bootm $kernel_addr_r " \
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"$initrd_addr_r:$initrd_size $fdt_addr_r"
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#define CONFIG_BOOTDELAY -1
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#endif
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/* Do not preserve environment */
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#define CONFIG_ENV_IS_NOWHERE 1
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#define CONFIG_ENV_SIZE 0x1000
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/* Monitor Command Prompt */
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#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
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#define CONFIG_SYS_PROMPT "VExpress64# "
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
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sizeof(CONFIG_SYS_PROMPT) + 16)
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#define CONFIG_SYS_HUSH_PARSER
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
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#define CONFIG_SYS_LONGHELP
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#define CONFIG_CMDLINE_EDITING 1
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#define CONFIG_SYS_MAXARGS 64 /* max command args */
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#endif /* __VEXPRESS_AEMV8A_H */
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