--- /dev/null
+/*
+ * (C) Copyright 2012,2015 Stephen Warren
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _RPI_COMMON_H_
+#define _RPI_COMMON_H_
+
+#include <linux/sizes.h>
+
+/* Architecture, CPU, etc.*/
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_BCM2835
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_SYS_DCACHE_OFF
+/*
+ * 2835 is a SKU in a series for which the 2708 is the first or primary SoC,
+ * so 2708 has historically been used rather than a dedicated 2835 ID.
+ *
+ * We don't define a machine type for bcm2709/bcm2836 since the RPi Foundation
+ * chose to use someone else's previously registered machine ID (3139, MX51_GGC)
+ * rather than obtaining a valid ID:-/
+ */
+#ifndef CONFIG_BCM2836
+#define CONFIG_MACH_TYPE MACH_TYPE_BCM2708
+#endif
+
+/* Memory layout */
+#define CONFIG_NR_DRAM_BANKS 1
+#define CONFIG_SYS_SDRAM_BASE 0x00000000
+#define CONFIG_SYS_TEXT_BASE 0x00008000
+#define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_TEXT_BASE
+/*
+ * The board really has 256M. However, the VC (VideoCore co-processor) shares
+ * the RAM, and uses a configurable portion at the top. We tell U-Boot that a
+ * smaller amount of RAM is present in order to avoid stomping on the area
+ * the VC uses.
+ */
+#define CONFIG_SYS_SDRAM_SIZE SZ_128M
+#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + \
+ CONFIG_SYS_SDRAM_SIZE - \
+ GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_MALLOC_LEN SZ_4M
+#define CONFIG_SYS_MEMTEST_START 0x00100000
+#define CONFIG_SYS_MEMTEST_END 0x00200000
+#define CONFIG_LOADADDR 0x00200000
+
+/* Flash */
+#define CONFIG_SYS_NO_FLASH
+
+/* Devices */
+/* GPIO */
+#define CONFIG_BCM2835_GPIO
+/* LCD */
+#define CONFIG_LCD
+#define CONFIG_LCD_DT_SIMPLEFB
+#define LCD_BPP LCD_COLOR16
+/*
+ * Prevent allocation of RAM for FB; the real FB address is queried
+ * dynamically from the VideoCore co-processor, and comes from RAM
+ * not owned by the ARM CPU.
+ */
+#define CONFIG_FB_ADDR 0
+#define CONFIG_VIDEO_BCM2835
+#define CONFIG_SYS_WHITE_ON_BLACK
+
+/* SD/MMC configuration */
+#define CONFIG_GENERIC_MMC
+#define CONFIG_MMC
+#define CONFIG_SDHCI
+#define CONFIG_MMC_SDHCI_IO_ACCESSORS
+#define CONFIG_BCM2835_SDHCI
+
+#define CONFIG_CMD_USB
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_DWC2
+#ifdef CONFIG_BCM2836
+#define CONFIG_USB_DWC2_REG_ADDR 0x3f980000
+#else
+#define CONFIG_USB_DWC2_REG_ADDR 0x20980000
+#endif
+#define CONFIG_USB_STORAGE
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_SMSC95XX
+#define CONFIG_MISC_INIT_R
+#endif
+
+/* Console UART */
+#define CONFIG_PL01X_SERIAL
+#define CONFIG_CONS_INDEX 0
+#define CONFIG_BAUDRATE 115200
+
+/* Console configuration */
+#define CONFIG_SYS_CBSIZE 1024
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/* Environment */
+#define CONFIG_ENV_SIZE SZ_16K
+#define CONFIG_ENV_IS_IN_FAT
+#define FAT_ENV_INTERFACE "mmc"
+#define FAT_ENV_DEVICE_AND_PART "0:1"
+#define FAT_ENV_FILE "uboot.env"
+#define CONFIG_FAT_WRITE
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
+#define CONFIG_SYS_LOAD_ADDR 0x1000000
+#define CONFIG_CONSOLE_MUX
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+
+/* Shell */
+#define CONFIG_SYS_MAXARGS 8
+#define CONFIG_SYS_PROMPT "U-Boot> "
+#define CONFIG_COMMAND_HISTORY
+
+/* Commands */
+#include <config_cmd_default.h>
+#define CONFIG_CMD_GPIO
+#define CONFIG_CMD_MMC
+#define CONFIG_PARTITION_UUIDS
+#define CONFIG_CMD_PART
+
+/* Device tree support */
+#define CONFIG_OF_BOARD_SETUP
+/* ATAGs support for bootm/bootz */
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_INITRD_TAG
+
+#include <config_distro_defaults.h>
+
+/* Some things don't make sense on this HW or yet */
+#undef CONFIG_CMD_FPGA
+
+/* Environment */
+#define ENV_DEVICE_SETTINGS \
+ "stdin=serial,lcd\0" \
+ "stdout=serial,lcd\0" \
+ "stderr=serial,lcd\0"
+
+/*
+ * Memory layout for where various images get loaded by boot scripts:
+ *
+ * scriptaddr can be pretty much anywhere that doesn't conflict with something
+ * else. Put it low in memory to avoid conflicts.
+ *
+ * pxefile_addr_r can be pretty much anywhere that doesn't conflict with
+ * something else. Put it low in memory to avoid conflicts.
+ *
+ * kernel_addr_r must be within the first 128M of RAM in order for the
+ * kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will
+ * decompress itself to 0x8000 after the start of RAM, kernel_addr_r
+ * should not overlap that area, or the kernel will have to copy itself
+ * somewhere else before decompression. Similarly, the address of any other
+ * data passed to the kernel shouldn't overlap the start of RAM. Pushing
+ * this up to 16M allows for a sizable kernel to be decompressed below the
+ * compressed load address.
+ *
+ * fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for
+ * the compressed kernel to be up to 16M too.
+ *
+ * ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows
+ * for the FDT/DTB to be up to 1M, which is hopefully plenty.
+ */
+#define ENV_MEM_LAYOUT_SETTINGS \
+ "scriptaddr=0x00000000\0" \
+ "pxefile_addr_r=0x00100000\0" \
+ "kernel_addr_r=0x01000000\0" \
+ "fdt_addr_r=0x02000000\0" \
+ "ramdisk_addr_r=0x02100000\0" \
+
+#define BOOT_TARGET_DEVICES(func) \
+ func(MMC, mmc, 0) \
+ func(USB, usb, 0) \
+ func(PXE, pxe, na) \
+ func(DHCP, dhcp, na)
+#include <config_distro_bootcmd.h>
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ ENV_DEVICE_SETTINGS \
+ ENV_MEM_LAYOUT_SETTINGS \
+ BOOTENV
+
+#define CONFIG_BOOTDELAY 2
+
+#endif
projects / karo-tx-uboot.git / blobdiff