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/*
* (C) Copyright 2011 ARM Limited
* (C) Copyright 2010 Linaro
* Matt Waddel, <matt.waddel@linaro.org>
*
* Configuration for Versatile Express. Parts were derived from other ARM
* configurations.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __VEXPRESS_COMMON_H
#define __VEXPRESS_COMMON_H
/*
* Definitions copied from linux kernel:
* arch/arm/mach-vexpress/include/mach/motherboard.h
*/
#ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
/* CS register bases for the original memory map. */
#define V2M_PA_CS0 0x40000000
#define V2M_PA_CS1 0x44000000
#define V2M_PA_CS2 0x48000000
#define V2M_PA_CS3 0x4c000000
#define V2M_PA_CS7 0x10000000
#define V2M_PERIPH_OFFSET(x) (x << 12)
#define V2M_SYSREGS (V2M_PA_CS7 + V2M_PERIPH_OFFSET(0))
#define V2M_SYSCTL (V2M_PA_CS7 + V2M_PERIPH_OFFSET(1))
#define V2M_SERIAL_BUS_PCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(2))
#define V2M_BASE 0x60000000
#define CONFIG_SYS_TEXT_BASE 0x60800000
#elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP)
/* CS register bases for the extended memory map. */
#define V2M_PA_CS0 0x08000000
#define V2M_PA_CS1 0x0c000000
#define V2M_PA_CS2 0x14000000
#define V2M_PA_CS3 0x18000000
#define V2M_PA_CS7 0x1c000000
#define V2M_PERIPH_OFFSET(x) (x << 16)
#define V2M_SYSREGS (V2M_PA_CS7 + V2M_PERIPH_OFFSET(1))
#define V2M_SYSCTL (V2M_PA_CS7 + V2M_PERIPH_OFFSET(2))
#define V2M_SERIAL_BUS_PCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(3))
#define V2M_BASE 0x80000000
#define CONFIG_SYS_TEXT_BASE 0x80800000
#endif
/*
* Physical addresses, offset from V2M_PA_CS0-3
*/
#define V2M_NOR0 (V2M_PA_CS0)
#define V2M_NOR1 (V2M_PA_CS1)
#define V2M_SRAM (V2M_PA_CS2)
#define V2M_VIDEO_SRAM (V2M_PA_CS3 + 0x00000000)
#define V2M_LAN9118 (V2M_PA_CS3 + 0x02000000)
#define V2M_ISP1761 (V2M_PA_CS3 + 0x03000000)
/* Common peripherals relative to CS7. */
#define V2M_AACI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(4))
#define V2M_MMCI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(5))
#define V2M_KMI0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(6))
#define V2M_KMI1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(7))
#define V2M_UART0 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(9))
#define V2M_UART1 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(10))
#define V2M_UART2 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(11))
#define V2M_UART3 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(12))
#define V2M_WDT (V2M_PA_CS7 + V2M_PERIPH_OFFSET(15))
#define V2M_TIMER01 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(17))
#define V2M_TIMER23 (V2M_PA_CS7 + V2M_PERIPH_OFFSET(18))
#define V2M_SERIAL_BUS_DVI (V2M_PA_CS7 + V2M_PERIPH_OFFSET(22))
#define V2M_RTC (V2M_PA_CS7 + V2M_PERIPH_OFFSET(23))
#define V2M_CF (V2M_PA_CS7 + V2M_PERIPH_OFFSET(26))
#define V2M_CLCD (V2M_PA_CS7 + V2M_PERIPH_OFFSET(31))
#define V2M_SIZE_CS7 V2M_PERIPH_OFFSET(32)
/* System register offsets. */
#define V2M_SYS_CFGDATA (V2M_SYSREGS + 0x0a0)
#define V2M_SYS_CFGCTRL (V2M_SYSREGS + 0x0a4)
#define V2M_SYS_CFGSTAT (V2M_SYSREGS + 0x0a8)
/*
* Configuration
*/
#define SYS_CFG_START (1 << 31)
#define SYS_CFG_WRITE (1 << 30)
#define SYS_CFG_OSC (1 << 20)
#define SYS_CFG_VOLT (2 << 20)
#define SYS_CFG_AMP (3 << 20)
#define SYS_CFG_TEMP (4 << 20)
#define SYS_CFG_RESET (5 << 20)
#define SYS_CFG_SCC (6 << 20)
#define SYS_CFG_MUXFPGA (7 << 20)
#define SYS_CFG_SHUTDOWN (8 << 20)
#define SYS_CFG_REBOOT (9 << 20)
#define SYS_CFG_DVIMODE (11 << 20)
#define SYS_CFG_POWER (12 << 20)
#define SYS_CFG_SITE_MB (0 << 16)
#define SYS_CFG_SITE_DB1 (1 << 16)
#define SYS_CFG_SITE_DB2 (2 << 16)
#define SYS_CFG_STACK(n) ((n) << 12)
#define SYS_CFG_ERR (1 << 1)
#define SYS_CFG_COMPLETE (1 << 0)
/* Board info register */
#define SYS_ID V2M_SYSREGS
#define CONFIG_REVISION_TAG 1
#define CONFIG_SYS_MEMTEST_START V2M_BASE
#define CONFIG_SYS_MEMTEST_END 0x20000000
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_SYS_L2CACHE_OFF 1
#define CONFIG_INITRD_TAG 1
/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024)
#define SCTL_BASE V2M_SYSCTL
#define VEXPRESS_FLASHPROG_FLVPPEN (1 << 0)
#define CONFIG_SYS_TIMER_RATE 1000000
#define CONFIG_SYS_TIMER_COUNTER (V2M_TIMER01 + 0x4)
#define CONFIG_SYS_TIMER_COUNTS_DOWN
/* SMSC9115 Ethernet from SMSC9118 family */
#define CONFIG_SMC911X 1
#define CONFIG_SMC911X_32_BIT 1
#define CONFIG_SMC911X_BASE V2M_LAN9118
/* 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_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#define CONFIG_SYS_SERIAL0 V2M_UART0
#define CONFIG_SYS_SERIAL1 V2M_UART1
#define CONFIG_ARM_PL180_MMCI
#define CONFIG_ARM_PL180_MMCI_BASE V2M_MMCI
#define CONFIG_SYS_MMC_MAX_BLK_COUNT 127
#define CONFIG_ARM_PL180_MMCI_CLOCK_FREQ 6250000
/* BOOTP options */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
/* Miscellaneous configurable options */
#define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x8000)
#define LINUX_BOOT_PARAM_ADDR (V2M_BASE + 0x2000)
/* Physical Memory Map */
#define CONFIG_NR_DRAM_BANKS 2
#define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */
#define PHYS_SDRAM_2 (((unsigned int)V2M_BASE) + \
((unsigned int)0x20000000))
#define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
#define PHYS_SDRAM_2_SIZE 0x20000000 /* 512 MB */
/* additions for new relocation code */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
#define CONFIG_SYS_INIT_RAM_SIZE 0x1000
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \
CONFIG_SYS_INIT_RAM_SIZE - \
GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET
#include <config_distro_defaults.h>
/* Basic environment settings */
#define CONFIG_BOOTCOMMAND \
"run distro_bootcmd; " \
"run bootflash; "
#define BOOT_TARGET_DEVICES(func) \
func(MMC, mmc, 1) \
func(MMC, mmc, 0) \
func(PXE, pxe, na) \
func(DHCP, dhcp, na)
#include <config_distro_bootcmd.h>
#ifdef CONFIG_VEXPRESS_ORIGINAL_MEMORY_MAP
#define CONFIG_PLATFORM_ENV_SETTINGS \
"loadaddr=0x80008000\0" \
"ramdisk_addr_r=0x61000000\0" \
"kernel_addr=0x44100000\0" \
"ramdisk_addr=0x44800000\0" \
"maxramdisk=0x1800000\0" \
"pxefile_addr_r=0x88000000\0" \
"scriptaddr=0x88000000\0" \
"kernel_addr_r=0x80008000\0"
#elif defined(CONFIG_VEXPRESS_EXTENDED_MEMORY_MAP)
#define CONFIG_PLATFORM_ENV_SETTINGS \
"loadaddr=0xa0008000\0" \
"ramdisk_addr_r=0x81000000\0" \
"kernel_addr=0x0c100000\0" \
"ramdisk_addr=0x0c800000\0" \
"maxramdisk=0x1800000\0" \
"pxefile_addr_r=0xa8000000\0" \
"scriptaddr=0xa8000000\0" \
"kernel_addr_r=0xa0008000\0"
#endif
#define CONFIG_EXTRA_ENV_SETTINGS \
CONFIG_PLATFORM_ENV_SETTINGS \
BOOTENV \
"console=ttyAMA0,38400n8\0" \
"dram=1024M\0" \
"root=/dev/sda1 rw\0" \
"mtd=armflash:1M@0x800000(uboot),7M@0x1000000(kernel)," \
"24M@0x2000000(initrd)\0" \
"flashargs=setenv bootargs root=${root} console=${console} " \
"mem=${dram} mtdparts=${mtd} mmci.fmax=190000 " \
"devtmpfs.mount=0 vmalloc=256M\0" \
"bootflash=run flashargs; " \
"cp ${ramdisk_addr} ${ramdisk_addr_r} ${maxramdisk}; " \
"bootm ${kernel_addr} ${ramdisk_addr_r}\0"
/* FLASH and environment organization */
#define PHYS_FLASH_SIZE 0x04000000 /* 64MB */
#define CONFIG_SYS_FLASH_CFI 1
#define CONFIG_FLASH_CFI_DRIVER 1
#define CONFIG_SYS_FLASH_SIZE 0x04000000
#define CONFIG_SYS_MAX_FLASH_BANKS 2
#define CONFIG_SYS_FLASH_BASE0 V2M_NOR0
#define CONFIG_SYS_FLASH_BASE1 V2M_NOR1
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE0
/* Timeout values in ticks */
#define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */
#define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */
/* 255 0x40000 sectors + first or last sector may have 4 erase regions = 259 */
#define CONFIG_SYS_MAX_FLASH_SECT 259 /* Max sectors */
#define FLASH_MAX_SECTOR_SIZE 0x00040000 /* 256 KB sectors */
/* Room required on the stack for the environment data */
#define CONFIG_ENV_SIZE FLASH_MAX_SECTOR_SIZE
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
/*
* Amount of flash used for environment:
* We don't know which end has the small erase blocks so we use the penultimate
* sector location for the environment
*/
#define CONFIG_ENV_SECT_SIZE FLASH_MAX_SECTOR_SIZE
#define CONFIG_ENV_OVERWRITE 1
/* Store environment at top of flash */
#define CONFIG_ENV_OFFSET (PHYS_FLASH_SIZE - \
(2 * CONFIG_ENV_SECT_SIZE))
#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE1 + \
CONFIG_ENV_OFFSET)
#define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */
#define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */
#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE0, \
CONFIG_SYS_FLASH_BASE1 }
/* Monitor Command Prompt */
#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot args buffer */
#define CONFIG_SYS_LONGHELP
#endif /* VEXPRESS_COMMON_H */
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