/* * Copyright (C) 2015 Atmel Corporation * Wenyou.Yang <wenyou.yang@atmel.com> * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> #include <malloc.h> #include <sdhci.h> #include <asm/arch/clk.h> #define ATMEL_SDHC_MIN_FREQ 400000 int atmel_sdhci_init(void *regbase, u32 id) { struct sdhci_host *host; u32 max_clk, min_clk = ATMEL_SDHC_MIN_FREQ; host = (struct sdhci_host *)calloc(1, sizeof(struct sdhci_host)); if (!host) { printf("%s: sdhci_host calloc failed\n", __func__); return -ENOMEM; } host->name = "atmel_sdhci"; host->ioaddr = regbase; host->quirks = 0; host->version = sdhci_readw(host, SDHCI_HOST_VERSION); max_clk = at91_get_periph_generated_clk(id); if (!max_clk) { printf("%s: Failed to get the proper clock\n", __func__); free(host); return -ENODEV; } add_sdhci(host, max_clk, min_clk); return 0; }