src/mainboard/cavium/cn8100_sff_evb/bootblock.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootblock_common.h>
   4 #include <soc/soc.h>
   5 #include <soc/spi.h>
   6 #include <soc/uart.h>
   7
   8 void bootblock_mainboard_early_init(void)
   9 {
  10         if (CONFIG(BOOTBLOCK_CONSOLE)) {
  11                 if (!uart_is_enabled(CONFIG_UART_FOR_CONSOLE))
  12                         uart_setup(CONFIG_UART_FOR_CONSOLE, CONFIG_TTYS0_BAUD);
  13         }
  14 }
  15
  16 static void configure_spi_flash(void)
  17 {
  18         /* FIXME: Only tested on EM100 Pro */
  19         spi_init_custom(0, // bus
  20                         25000000, // speed Hz
  21                         0, // idle low disabled
  22                         0, // zero idle cycles between transfers
  23                         0, // MSB first
  24                         0, // Chip select 0
  25                         1); // assert is high
  26 }
  27
  28 void bootblock_mainboard_init(void)
  29 {
  30         configure_spi_flash();
  31 }