/* * This file is part of the coreboot project. * * Copyright 2016 Google Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include /* SPI controller managing the fast SPI. */ static int fast_spi_ctrlr_setup(const struct spi_slave *dev) { if ((dev->bus != 0) && (dev->cs != 0)) { printk(BIOS_ERR, "%s: Unsupported device " "bus=0x%x,cs=0x%x!\n", __func__, dev->bus, dev->cs); return -1; } printk(BIOS_INFO, "%s: Found controller for device " "(bus=0x%x,cs=0x%x)!!\n", __func__, dev->bus, dev->cs); return 0; } static const struct spi_ctrlr fast_spi_ctrlr = { .setup = fast_spi_ctrlr_setup, }; const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = { { .ctrlr = &fast_spi_ctrlr, .bus_start = 0, .bus_end = 0 }, }; const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);