/*
 * (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_BAUDRATE                 38400
#define CONFIG_SYS_BAUDRATE_TABLE       { 9600, 19200, 38400, 57600, 115200 }
#define CONFIG_SYS_SERIAL0              V2M_UART0
#define CONFIG_SYS_SERIAL1              V2M_UART1

#define CONFIG_GENERIC_MMC
#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_IS_IN_FLASH          1
#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_PBSIZE               (CONFIG_SYS_CBSIZE + \
                                        sizeof(CONFIG_SYS_PROMPT) + 16)

#define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE /* Boot args buffer */
#define CONFIG_SYS_LONGHELP
#define CONFIG_SYS_MAXARGS              16      /* max command args */

#endif /* VEXPRESS_COMMON_H */