include/configs/at91sam9n12ek.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2013 Atmel Corporation.
   4  * Josh Wu <josh.wu@atmel.com>
   5  *
   6  * Configuation settings for the AT91SAM9N12-EK boards.
   7  */
   8
   9 #ifndef __AT91SAM9N12_CONFIG_H_
  10 #define __AT91SAM9N12_CONFIG_H_
  11
  12 /* ARM asynchronous clock */
  13 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
  14 #define CONFIG_SYS_AT91_MAIN_CLOCK      16000000        /* main clock xtal */
  15
  16 /* Misc CPU related */
  17
  18 /* LCD */
  19 #define LCD_BPP                         LCD_COLOR16
  20 #define LCD_OUTPUT_BPP                  24
  21 #define CONFIG_LCD_LOGO
  22 #define CONFIG_LCD_INFO
  23 #define CONFIG_LCD_INFO_BELOW_LOGO
  24 #define CONFIG_ATMEL_LCD_RGB565
  25
  26 /*
  27  * BOOTP options
  28  */
  29 #define CONFIG_BOOTP_BOOTFILESIZE
  30
  31 #define CONFIG_SYS_SDRAM_BASE           0x20000000
  32 #define CONFIG_SYS_SDRAM_SIZE           0x08000000
  33
  34 /*
  35  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
  36  * leaving the correct space for initial global data structure above
  37  * that address while providing maximum stack area below.
  38  */
  39 # define CONFIG_SYS_INIT_SP_ADDR \
  40         (0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  41
  42 /* DataFlash */
  43
  44 /* NAND flash */
  45 #ifdef CONFIG_CMD_NAND
  46 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  47 #define CONFIG_SYS_NAND_BASE            0x40000000
  48 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
  49 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
  50 #define CONFIG_SYS_NAND_ENABLE_PIN      GPIO_PIN_PD(4)
  51 #define CONFIG_SYS_NAND_READY_PIN       GPIO_PIN_PD(5)
  52 #endif
  53
  54 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
  55         "console=console=ttyS0,115200\0"                                \
  56         "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0"                                  \
  57         "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
  58         "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
  59
  60 /* USB host */
  61 #ifdef CONFIG_CMD_USB
  62 #define CONFIG_USB_ATMEL
  63 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
  64 #define CONFIG_USB_OHCI_NEW
  65 #define CONFIG_SYS_USB_OHCI_CPU_INIT
  66 #define CONFIG_SYS_USB_OHCI_REGS_BASE   ATMEL_BASE_OHCI
  67 #define CONFIG_SYS_USB_OHCI_SLOT_NAME   "at91sam9n12"
  68 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      1
  69 #endif
  70
  71 #ifdef CONFIG_SPI_BOOT
  72
  73 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
  74 #define CONFIG_BOOTCOMMAND                                              \
  75         "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"      \
  76         "sf probe 0; sf read 0x22000000 0x100000 0x300000; "            \
  77         "bootm 0x22000000"
  78
  79 #elif defined(CONFIG_NAND_BOOT)
  80
  81 /* bootstrap + u-boot + env + linux in nandflash */
  82 #define CONFIG_BOOTCOMMAND                                              \
  83         "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"      \
  84         "nand read 0x21000000 0x180000 0x080000;"                       \
  85         "nand read 0x22000000 0x200000 0x400000;"                       \
  86         "bootm 0x22000000 - 0x21000000"
  87
  88 #else /* CONFIG_SD_BOOT */
  89
  90 #define CONFIG_BOOTCOMMAND                                              \
  91         "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};"       \
  92         "fatload mmc 0:1 0x21000000 dtb;"                               \
  93         "fatload mmc 0:1 0x22000000 uImage;"                            \
  94         "bootm 0x22000000 - 0x21000000"
  95
  96 #endif
  97
  98 /* SPL */
  99 #define CONFIG_SPL_MAX_SIZE             0x6000
 100 #define CONFIG_SPL_STACK                0x308000
 101
 102 #define CONFIG_SPL_BSS_START_ADDR       0x20000000
 103 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000
 104 #define CONFIG_SYS_SPL_MALLOC_START     0x20080000
 105 #define CONFIG_SYS_SPL_MALLOC_SIZE      0x80000
 106
 107 #define CONFIG_SYS_MONITOR_LEN          (512 << 10)
 108
 109 #define CONFIG_SYS_MASTER_CLOCK         132096000
 110 #define CONFIG_SYS_AT91_PLLA            0x20953f03
 111 #define CONFIG_SYS_MCKR                 0x1301
 112 #define CONFIG_SYS_MCKR_CSS             0x1302
 113
 114 #ifdef CONFIG_SD_BOOT
 115 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME         "u-boot.img"
 116 #endif
 117
 118 #endif