u-boot/include/configs/clearfog.h
Pali Rohár 29795302b9 arm: mvebu: a38x: Detect CONFIG_SYS_TCLK from SAR register
Bit 15 in SAR register specifies if TCLK is running at 200 MHz or 250 MHz.
Use this information instead of manual configuration in every board file.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2021-08-11 08:42:26 +02:00

165 lines
4.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2015 Stefan Roese <sr@denx.de>
*/
#ifndef _CONFIG_CLEARFOG_H
#define _CONFIG_CLEARFOG_H
#include <linux/stringify.h>
/*
* High Level Configuration Options (easy to change)
*/
/*
* TEXT_BASE needs to be below 16MiB, since this area is scrubbed
* for DDR ECC byte filling in the SPL before loading the main
* U-Boot into it.
*/
/* USB/EHCI configuration */
#define CONFIG_EHCI_IS_TDI
#define CONFIG_ENV_MIN_ENTRIES 128
/* Environment in MMC */
/*
* For SD - reserve 1 LBA for MBR + 1M for u-boot image. The MMC/eMMC
* boot image starts @ LBA-0.
* As result in MMC/eMMC case it will be a 1 sector gap between u-boot
* image and environment
*/
#define PHY_ANEG_TIMEOUT 8000 /* PHY needs a longer aneg time */
/* PCIe support */
#ifndef CONFIG_SPL_BUILD
#define CONFIG_PCI_SCAN_SHOW
#endif
/* SATA support */
#ifdef CONFIG_SCSI
#define CONFIG_SCSI_AHCI_PLAT
#define CONFIG_SYS_SCSI_MAX_SCSI_ID 1
#define CONFIG_SYS_SCSI_MAX_LUN 1
#define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \
CONFIG_SYS_SCSI_MAX_LUN)
#endif
/* Keep device tree and initrd in lower memory so the kernel can access them */
#define RELOCATION_LIMITS_ENV_SETTINGS \
"fdt_high=0x10000000\0" \
"initrd_high=0x10000000\0"
/* SPL */
/* Defines for SPL */
#define CONFIG_SPL_SIZE (140 << 10)
#define CONFIG_SPL_MAX_SIZE (CONFIG_SPL_SIZE - 0x0030)
#define CONFIG_SPL_BSS_START_ADDR (0x40000000 + CONFIG_SPL_SIZE)
#define CONFIG_SPL_BSS_MAX_SIZE (16 << 10)
#ifdef CONFIG_SPL_BUILD
#define CONFIG_SYS_MALLOC_SIMPLE
#endif
#define CONFIG_SPL_STACK (0x40000000 + ((192 - 16) << 10))
#define CONFIG_SPL_BOOTROM_SAVE (CONFIG_SPL_STACK + 4)
#if defined(CONFIG_MVEBU_SPL_BOOT_DEVICE_MMC) || defined(CONFIG_MVEBU_SPL_BOOT_DEVICE_SATA)
/* SPL related MMC defines */
#ifdef CONFIG_SPL_BUILD
#define CONFIG_FIXED_SDHCI_ALIGNED_BUFFER 0x00180000 /* in SDRAM */
#endif
#endif
/*
* mv-common.h should be defined after CMD configs since it used them
* to enable certain macros
*/
#include "mv-common.h"
/* Include the common distro boot environment */
#ifndef CONFIG_SPL_BUILD
#ifdef CONFIG_MMC
#define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0)
#else
#define BOOT_TARGET_DEVICES_MMC(func)
#endif
#ifdef CONFIG_USB_STORAGE
#define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0)
#else
#define BOOT_TARGET_DEVICES_USB(func)
#endif
#ifndef CONFIG_SCSI
#define BOOT_TARGET_DEVICES_SCSI_BUS0(func)
#define BOOT_TARGET_DEVICES_SCSI_BUS1(func)
#define BOOT_TARGET_DEVICES_SCSI_BUS2(func)
#else
/*
* With SCSI enabled, M.2 SATA is always located on bus 0
*/
#define BOOT_TARGET_DEVICES_SCSI_BUS0(func) func(SCSI, scsi, 0)
/*
* Either one or both mPCIe slots may be configured as mSATA interfaces. The
* SCSI bus ids are assigned based on sequence of hardware present, not always
* tied to hardware slot ids. As such, use second SCSI bus if either slot is
* set for SATA, and only use third SCSI bus if both slots are SATA enabled.
*/
#if defined (CONFIG_CLEARFOG_CON2_SATA) || defined (CONFIG_CLEARFOG_CON3_SATA)
#define BOOT_TARGET_DEVICES_SCSI_BUS1(func) func(SCSI, scsi, 1)
#else
#define BOOT_TARGET_DEVICES_SCSI_BUS1(func)
#endif
#if defined (CONFIG_CLEARFOG_CON2_SATA) && defined (CONFIG_CLEARFOG_CON3_SATA)
#define BOOT_TARGET_DEVICES_SCSI_BUS2(func) func(SCSI, scsi, 2)
#else
#define BOOT_TARGET_DEVICES_SCSI_BUS2(func)
#endif
#endif /* CONFIG_SCSI */
/*
* The SCSI buses are attempted in increasing bus order, there is no current
* mechanism to alter the default bus priority order for booting.
*/
#define BOOT_TARGET_DEVICES(func) \
BOOT_TARGET_DEVICES_MMC(func) \
BOOT_TARGET_DEVICES_USB(func) \
BOOT_TARGET_DEVICES_SCSI_BUS0(func) \
BOOT_TARGET_DEVICES_SCSI_BUS1(func) \
BOOT_TARGET_DEVICES_SCSI_BUS2(func) \
func(PXE, pxe, na) \
func(DHCP, dhcp, na)
#define KERNEL_ADDR_R __stringify(0x800000)
#define FDT_ADDR_R __stringify(0x100000)
#define RAMDISK_ADDR_R __stringify(0x1800000)
#define SCRIPT_ADDR_R __stringify(0x200000)
#define PXEFILE_ADDR_R __stringify(0x300000)
#define LOAD_ADDRESS_ENV_SETTINGS \
"kernel_addr_r=" KERNEL_ADDR_R "\0" \
"fdt_addr_r=" FDT_ADDR_R "\0" \
"ramdisk_addr_r=" RAMDISK_ADDR_R "\0" \
"scriptaddr=" SCRIPT_ADDR_R "\0" \
"pxefile_addr_r=" PXEFILE_ADDR_R "\0"
#include <config_distro_bootcmd.h>
#define CONFIG_EXTRA_ENV_SETTINGS \
RELOCATION_LIMITS_ENV_SETTINGS \
LOAD_ADDRESS_ENV_SETTINGS \
"console=ttyS0,115200\0" \
BOOTENV
#endif /* CONFIG_SPL_BUILD */
#endif /* _CONFIG_CLEARFOG_H */