blob: f3af971214a53813be6f3c84bada20d81595faed [file] [log] [blame]
/*
* Configuration for Versatile Express. Parts were derived from other ARM
* configurations.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __VEXPRESS_AEMV8A_H
#define __VEXPRESS_AEMV8A_H
#ifdef CONFIG_BASE_FVP
#ifndef CONFIG_SEMIHOSTING
#error CONFIG_BASE_FVP requires CONFIG_SEMIHOSTING
#endif
#define CONFIG_BOARD_LATE_INIT
#define CONFIG_ARMV8_SWITCH_TO_EL1
#endif
#define CONFIG_REMAKE_ELF
#ifndef CONFIG_BASE_FVP
/* Base FVP not using GICv3 yet */
#define CONFIG_GICV3
#endif
/*#define CONFIG_ARMV8_SWITCH_TO_EL1*/
/*#define CONFIG_SYS_GENERIC_BOARD*/
#define CONFIG_SYS_NO_FLASH
#define CONFIG_SUPPORT_RAW_INITRD
/* Cache Definitions */
#define CONFIG_SYS_DCACHE_OFF
#define CONFIG_SYS_ICACHE_OFF
#define CONFIG_IDENT_STRING " vexpress_aemv8a"
#define CONFIG_BOOTP_VCI_STRING "U-boot.armv8.vexpress_aemv8a"
/* Link Definitions */
#ifdef CONFIG_BASE_FVP
/* ATF loads u-boot here for BASE_FVP model */
#define CONFIG_SYS_TEXT_BASE 0x88000000
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x03f00000)
#else
#define CONFIG_SYS_TEXT_BASE 0x80000000
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
#endif
/* Flat Device Tree Definitions */
#define CONFIG_OF_LIBFDT
/* SMP Spin Table Definitions */
#ifdef CONFIG_BASE_FVP
#define CPU_RELEASE_ADDR (CONFIG_SYS_SDRAM_BASE + 0x03f00000)
#else
#define CPU_RELEASE_ADDR (CONFIG_SYS_SDRAM_BASE + 0x7fff0)
#endif
/* CS register bases for the original memory map. */
#define V2M_PA_CS0 0x00000000
#define V2M_PA_CS1 0x14000000
#define V2M_PA_CS2 0x18000000
#define V2M_PA_CS3 0x1c000000
#define V2M_PA_CS4 0x0c000000
#define V2M_PA_CS5 0x10000000
#define V2M_PERIPH_OFFSET(x) (x << 16)
#define V2M_SYSREGS (V2M_PA_CS3 + V2M_PERIPH_OFFSET(1))
#define V2M_SYSCTL (V2M_PA_CS3 + V2M_PERIPH_OFFSET(2))
#define V2M_SERIAL_BUS_PCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(3))
#define V2M_BASE 0x80000000
/*
* Physical addresses, offset from V2M_PA_CS0-3
*/
#define V2M_NOR0 (V2M_PA_CS0)
#define V2M_NOR1 (V2M_PA_CS4)
#define V2M_SRAM (V2M_PA_CS1)
/* Common peripherals relative to CS7. */
#define V2M_AACI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(4))
#define V2M_MMCI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(5))
#define V2M_KMI0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(6))
#define V2M_KMI1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(7))
#define V2M_UART0 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(9))
#define V2M_UART1 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(10))
#define V2M_UART2 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(11))
#define V2M_UART3 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(12))
#define V2M_WDT (V2M_PA_CS3 + V2M_PERIPH_OFFSET(15))
#define V2M_TIMER01 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(17))
#define V2M_TIMER23 (V2M_PA_CS3 + V2M_PERIPH_OFFSET(18))
#define V2M_SERIAL_BUS_DVI (V2M_PA_CS3 + V2M_PERIPH_OFFSET(22))
#define V2M_RTC (V2M_PA_CS3 + V2M_PERIPH_OFFSET(23))
#define V2M_CF (V2M_PA_CS3 + V2M_PERIPH_OFFSET(26))
#define V2M_CLCD (V2M_PA_CS3 + V2M_PERIPH_OFFSET(31))
/* System register offsets. */
#define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0)
#define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4)
#define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8)
/* Generic Timer Definitions */
#define COUNTER_FREQUENCY (0x1800000) /* 24MHz */
/* Generic Interrupt Controller Definitions */
#ifdef CONFIG_GICV3
#define GICD_BASE (0x2f000000)
#define GICR_BASE (0x2f100000)
#else
#ifdef CONFIG_BASE_FVP
#define GICD_BASE (0x2f000000)
#define GICC_BASE (0x2c000000)
#else
#define GICD_BASE (0x2C001000)
#define GICC_BASE (0x2C002000)
#endif
#endif
#define CONFIG_SYS_MEMTEST_START V2M_BASE
#define CONFIG_SYS_MEMTEST_END (V2M_BASE + 0x80000000)
/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 << 20))
/* SMSC91C111 Ethernet Configuration */
#define CONFIG_SMC91111 1
#define CONFIG_SMC91111_BASE (0x01A000000)
/* PL011 Serial Configuration */
#define CONFIG_PL011_SERIAL
#define CONFIG_PL011_CLOCK 24000000
#define CONFIG_PL01x_PORTS {(void *)CONFIG_SYS_SERIAL0, \
(void *)CONFIG_SYS_SERIAL1}
#define CONFIG_CONS_INDEX 0
#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_SERIAL0 V2M_UART0
#define CONFIG_SYS_SERIAL1 V2M_UART1
/* Command line configuration */
#define CONFIG_MENU
/*#define CONFIG_MENU_SHOW*/
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_BDI
#define CONFIG_CMD_BOOTI
#define CONFIG_CMD_UNZIP
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_PXE
#define CONFIG_CMD_ENV
#define CONFIG_CMD_FLASH
#define CONFIG_CMD_IMI
#define CONFIG_CMD_MEMORY
#define CONFIG_CMD_MII
#define CONFIG_CMD_NET
#define CONFIG_CMD_PING
#define CONFIG_CMD_SAVEENV
#define CONFIG_CMD_RUN
#define CONFIG_CMD_BOOTD
#define CONFIG_CMD_ECHO
#define CONFIG_CMD_SOURCE
#define CONFIG_CMD_FAT
#define CONFIG_DOS_PARTITION
/* BOOTP options */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
#define CONFIG_BOOTP_PXE
#define CONFIG_BOOTP_PXE_CLIENTARCH 0x100
/* Miscellaneous configurable options */
#define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x10000000)
/* Physical Memory Map */
#define CONFIG_NR_DRAM_BANKS 1
#define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */
#define PHYS_SDRAM_1_SIZE 0x80000000 /* 2048 MB */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
/* Initial environment variables */
#ifdef CONFIG_BASE_FVP
#define CONFIG_EXTRA_ENV_SETTINGS \
"kernel_name=uImage\0" \
"kernel_addr_r=0x80000000\0" \
"initrd_name=ramdisk.img\0" \
"initrd_addr_r=0x88000000\0" \
"fdt_name=devtree.dtb\0" \
"fdt_addr_r=0x83000000\0" \
"fdt_high=0xffffffffffffffff\0" \
"initrd_high=0xffffffffffffffff\0"
#define CONFIG_BOOTARGS "console=ttyAMA0 earlyprintk=pl011,"\
"0x1c090000 debug user_debug=31 "\
"loglevel=9"
#define CONFIG_BOOTCOMMAND "fdt addr $fdt_addr_r; fdt resize; " \
"fdt chosen $initrd_addr_r $initrd_end; " \
"bootm $kernel_addr_r - $fdt_addr_r"
#define CONFIG_BOOTDELAY 1
#else
#define CONFIG_EXTRA_ENV_SETTINGS \
"kernel_addr_r=0x80000000\0" \
"initrd_addr_r=0x88000000\0" \
"fdt_addr_r=0x83000000\0" \
"fdt_high=0xa0000000\0"
#define CONFIG_BOOTARGS "console=ttyAMA0 root=/dev/ram0"
#define CONFIG_BOOTCOMMAND "bootm $kernel_addr_r " \
"$initrd_addr_r:$initrd_size $fdt_addr_r"
#define CONFIG_BOOTDELAY -1
#endif
/* Do not preserve environment */
#define CONFIG_ENV_IS_NOWHERE 1
#define CONFIG_ENV_SIZE 0x1000
/* Monitor Command Prompt */
#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
#define CONFIG_SYS_PROMPT "VExpress64# "
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
#define CONFIG_SYS_LONGHELP
#define CONFIG_CMDLINE_EDITING
#define CONFIG_SYS_MAXARGS 64 /* max command args */
#endif /* __VEXPRESS_AEMV8A_H */