include/configs/snapper9260.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Bluewater Systems Snapper 9260 and 9G20 modules
   4  *
   5  * (C) Copyright 2011 Bluewater Systems
   6  *   Author: Andre Renaud <andre@bluewatersys.com>
   7  *   Author: Ryan Mallon <ryan@bluewatersys.com>
   8  */
   9
  10 #ifndef __CONFIG_H
  11 #define __CONFIG_H
  12
  13 /* SoC type is defined in boards.cfg */
  14 #include <asm/hardware.h>
  15 #include <linux/sizes.h>
  16
  17 /* ARM asynchronous clock */
  18 #define CONFIG_SYS_AT91_MAIN_CLOCK      18432000 /* External Crystal, in Hz */
  19 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
  20
  21 /* CPU */
  22
  23 /* SDRAM */
  24 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
  25 #define CONFIG_SYS_SDRAM_SIZE           (64 * 1024 * 1024) /* 64MB */
  26 #define CONFIG_SYS_INIT_RAM_SIZE        0x1000
  27 #define CONFIG_SYS_INIT_RAM_ADDR        ATMEL_BASE_SRAM1
  28
  29 /* Mem test settings */
  30
  31 /* NAND Flash */
  32 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  33 #define CONFIG_SYS_NAND_BASE            ATMEL_BASE_CS3
  34 #define CONFIG_SYS_NAND_DBW_8
  35 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21) /* AD21 */
  36 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22) /* AD22 */
  37 #define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
  38 #define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
  39
  40 /* USB */
  41 #define CONFIG_SYS_USB_OHCI_REGS_BASE   ATMEL_UHP_BASE
  42
  43 /* GPIOs and IO expander */
  44 #define CONFIG_PCA953X
  45 #define CONFIG_SYS_I2C_PCA953X_ADDR     0x28
  46 #define CONFIG_SYS_I2C_PCA953X_WIDTH    { {0x28, 16} }
  47
  48 /* UARTs/Serial console */
  49 #ifndef CONFIG_DM_SERIAL
  50 #define CONFIG_USART_BASE               ATMEL_BASE_DBGU
  51 #define CONFIG_USART_ID                 ATMEL_ID_SYS
  52 #endif
  53
  54 /* I2C - Bit-bashed */
  55 #define CONFIG_SOFT_I2C_READ_REPEATED_START
  56 #define I2C_INIT do {                                                   \
  57                 at91_set_gpio_output(AT91_PIN_PA23, 1);                 \
  58                 at91_set_gpio_output(AT91_PIN_PA24, 1);                 \
  59                 at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1);        \
  60                 at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1);        \
  61         } while (0)
  62 #define I2C_SOFT_DECLARATIONS
  63 #define I2C_ACTIVE
  64 #define I2C_TRISTATE    at91_set_gpio_input(AT91_PIN_PA23, 1);
  65 #define I2C_READ        at91_get_gpio_value(AT91_PIN_PA23);
  66 #define I2C_SDA(bit) do {                                               \
  67                 if (bit) {                                              \
  68                         at91_set_gpio_input(AT91_PIN_PA23, 1);          \
  69                 } else {                                                \
  70                         at91_set_gpio_output(AT91_PIN_PA23, 1);         \
  71                         at91_set_gpio_value(AT91_PIN_PA23, bit);        \
  72                 }                                                       \
  73         } while (0)
  74 #define I2C_SCL(bit)    at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
  75 #define I2C_DELAY       udelay(2)
  76
  77 /* Boot options */
  78
  79 /* Environment settings */
  80
  81 /* Console settings */
  82
  83 #endif /* __CONFIG_H */