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 #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
  18 #define CONFIG_SETUP_MEMORY_TAGS
  19 #define CONFIG_INITRD_TAG
  20
  21 /* LCD */
  22 #define LCD_BPP                         LCD_COLOR16
  23 #define LCD_OUTPUT_BPP                  24
  24 #define CONFIG_LCD_LOGO
  25 #define CONFIG_LCD_INFO
  26 #define CONFIG_LCD_INFO_BELOW_LOGO
  27 #define CONFIG_ATMEL_LCD_RGB565
  28
  29 /*
  30  * BOOTP options
  31  */
  32 #define CONFIG_BOOTP_BOOTFILESIZE
  33
  34 #define CONFIG_SYS_SDRAM_BASE           0x20000000
  35 #define CONFIG_SYS_SDRAM_SIZE           0x08000000
  36
  37 /*
  38  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
  39  * leaving the correct space for initial global data structure above
  40  * that address while providing maximum stack area below.
  41  */
  42 # define CONFIG_SYS_INIT_SP_ADDR \
  43         (0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  44
  45 /* DataFlash */
  46
  47 /* NAND flash */
  48 #ifdef CONFIG_CMD_NAND
  49 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  50 #define CONFIG_SYS_NAND_BASE            0x40000000
  51 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
  52 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
  53 #define CONFIG_SYS_NAND_ENABLE_PIN      GPIO_PIN_PD(4)
  54 #define CONFIG_SYS_NAND_READY_PIN       GPIO_PIN_PD(5)
  55 #endif
  56
  57 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
  58         "console=console=ttyS0,115200\0"                                \
  59         "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0"                                  \
  60         "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
  61         "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
  62
  63 /* USB host */
  64 #ifdef CONFIG_CMD_USB
  65 #define CONFIG_USB_ATMEL
  66 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
  67 #define CONFIG_USB_OHCI_NEW
  68 #define CONFIG_SYS_USB_OHCI_CPU_INIT
  69 #define CONFIG_SYS_USB_OHCI_REGS_BASE   ATMEL_BASE_OHCI
  70 #define CONFIG_SYS_USB_OHCI_SLOT_NAME   "at91sam9n12"
  71 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      1
  72 #endif
  73
  74 #ifdef CONFIG_SPI_BOOT
  75
  76 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
  77 #define CONFIG_BOOTCOMMAND                                              \
  78         "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"      \
  79         "sf probe 0; sf read 0x22000000 0x100000 0x300000; "            \
  80         "bootm 0x22000000"
  81
  82 #elif defined(CONFIG_NAND_BOOT)
  83
  84 /* bootstrap + u-boot + env + linux in nandflash */
  85 #define CONFIG_BOOTCOMMAND                                              \
  86         "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"      \
  87         "nand read 0x21000000 0x180000 0x080000;"                       \
  88         "nand read 0x22000000 0x200000 0x400000;"                       \
  89         "bootm 0x22000000 - 0x21000000"
  90
  91 #else /* CONFIG_SD_BOOT */
  92
  93 #define CONFIG_BOOTCOMMAND                                              \
  94         "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};"       \
  95         "fatload mmc 0:1 0x21000000 dtb;"                               \
  96         "fatload mmc 0:1 0x22000000 uImage;"                            \
  97         "bootm 0x22000000 - 0x21000000"
  98
  99 #endif
 100
 101 /* SPL */
 102 #define CONFIG_SPL_MAX_SIZE             0x6000
 103 #define CONFIG_SPL_STACK                0x308000
 104
 105 #define CONFIG_SPL_BSS_START_ADDR       0x20000000
 106 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000
 107 #define CONFIG_SYS_SPL_MALLOC_START     0x20080000
 108 #define CONFIG_SYS_SPL_MALLOC_SIZE      0x80000
 109
 110 #define CONFIG_SYS_MONITOR_LEN          (512 << 10)
 111
 112 #define CONFIG_SYS_MASTER_CLOCK         132096000
 113 #define CONFIG_SYS_AT91_PLLA            0x20953f03
 114 #define CONFIG_SYS_MCKR                 0x1301
 115 #define CONFIG_SYS_MCKR_CSS             0x1302
 116
 117 #ifdef CONFIG_SD_BOOT
 118 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME         "u-boot.img"
 119 #endif
 120 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x40000
 121 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 122 #define CONFIG_SYS_NAND_PAGE_SIZE       0x800
 123 #define CONFIG_SYS_NAND_PAGE_COUNT      64
 124 #define CONFIG_SYS_NAND_OOBSIZE         64
 125 #define CONFIG_SYS_NAND_BLOCK_SIZE      0x20000
 126 #define CONFIG_SYS_NAND_BAD_BLOCK_POS   0x0
 127
 128 #endif