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 #define CONFIG_SKIP_LOWLEVEL_INIT
  21
  22 /* LCD */
  23 #define LCD_BPP                         LCD_COLOR16
  24 #define LCD_OUTPUT_BPP                  24
  25 #define CONFIG_LCD_LOGO
  26 #define CONFIG_LCD_INFO
  27 #define CONFIG_LCD_INFO_BELOW_LOGO
  28 #define CONFIG_ATMEL_LCD_RGB565
  29
  30 /*
  31  * BOOTP options
  32  */
  33 #define CONFIG_BOOTP_BOOTFILESIZE
  34
  35 #define CONFIG_SYS_SDRAM_BASE           0x20000000
  36 #define CONFIG_SYS_SDRAM_SIZE           0x08000000
  37
  38 /*
  39  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
  40  * leaving the correct space for initial global data structure above
  41  * that address while providing maximum stack area below.
  42  */
  43 # define CONFIG_SYS_INIT_SP_ADDR \
  44         (0x00300000 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  45
  46 /* DataFlash */
  47
  48 /* NAND flash */
  49 #ifdef CONFIG_CMD_NAND
  50 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  51 #define CONFIG_SYS_NAND_BASE            0x40000000
  52 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
  53 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
  54 #define CONFIG_SYS_NAND_ENABLE_PIN      GPIO_PIN_PD(4)
  55 #define CONFIG_SYS_NAND_READY_PIN       GPIO_PIN_PD(5)
  56 #endif
  57
  58 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
  59         "console=console=ttyS0,115200\0"                                \
  60         "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0"                                  \
  61         "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
  62         "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
  63
  64 /* USB host */
  65 #ifdef CONFIG_CMD_USB
  66 #define CONFIG_USB_ATMEL
  67 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
  68 #define CONFIG_USB_OHCI_NEW
  69 #define CONFIG_SYS_USB_OHCI_CPU_INIT
  70 #define CONFIG_SYS_USB_OHCI_REGS_BASE   ATMEL_BASE_OHCI
  71 #define CONFIG_SYS_USB_OHCI_SLOT_NAME   "at91sam9n12"
  72 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      1
  73 #endif
  74
  75 #ifdef CONFIG_SPI_BOOT
  76
  77 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
  78 #define CONFIG_BOOTCOMMAND                                              \
  79         "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"      \
  80         "sf probe 0; sf read 0x22000000 0x100000 0x300000; "            \
  81         "bootm 0x22000000"
  82
  83 #elif defined(CONFIG_NAND_BOOT)
  84
  85 /* bootstrap + u-boot + env + linux in nandflash */
  86 #define CONFIG_BOOTCOMMAND                                              \
  87         "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};"      \
  88         "nand read 0x21000000 0x180000 0x080000;"                       \
  89         "nand read 0x22000000 0x200000 0x400000;"                       \
  90         "bootm 0x22000000 - 0x21000000"
  91
  92 #else /* CONFIG_SD_BOOT */
  93
  94 #define CONFIG_BOOTCOMMAND                                              \
  95         "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};"       \
  96         "fatload mmc 0:1 0x21000000 dtb;"                               \
  97         "fatload mmc 0:1 0x22000000 uImage;"                            \
  98         "bootm 0x22000000 - 0x21000000"
  99
 100 #endif
 101
 102 /*
 103  * Size of malloc() pool
 104  */
 105 #define CONFIG_SYS_MALLOC_LEN   (4 * 1024 * 1024)
 106
 107 /* SPL */
 108 #define CONFIG_SPL_MAX_SIZE             0x6000
 109 #define CONFIG_SPL_STACK                0x308000
 110
 111 #define CONFIG_SPL_BSS_START_ADDR       0x20000000
 112 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000
 113 #define CONFIG_SYS_SPL_MALLOC_START     0x20080000
 114 #define CONFIG_SYS_SPL_MALLOC_SIZE      0x80000
 115
 116 #define CONFIG_SYS_MONITOR_LEN          (512 << 10)
 117
 118 #define CONFIG_SYS_MASTER_CLOCK         132096000
 119 #define CONFIG_SYS_AT91_PLLA            0x20953f03
 120 #define CONFIG_SYS_MCKR                 0x1301
 121 #define CONFIG_SYS_MCKR_CSS             0x1302
 122
 123 #ifdef CONFIG_SD_BOOT
 124 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME         "u-boot.img"
 125 #endif
 126 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x40000
 127 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 128 #define CONFIG_SYS_NAND_PAGE_SIZE       0x800
 129 #define CONFIG_SYS_NAND_PAGE_COUNT      64
 130 #define CONFIG_SYS_NAND_OOBSIZE         64
 131 #define CONFIG_SYS_NAND_BLOCK_SIZE      0x20000
 132 #define CONFIG_SYS_NAND_BAD_BLOCK_POS   0x0
 133
 134 #endif