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Diffstat (limited to 'src/commonlib/storage/pci_sdhci.c')
-rw-r--r--src/commonlib/storage/pci_sdhci.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/commonlib/storage/pci_sdhci.c b/src/commonlib/storage/pci_sdhci.c
new file mode 100644
index 0000000000..c53ab001a9
--- /dev/null
+++ b/src/commonlib/storage/pci_sdhci.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2013 Google Inc.
+ * Copyright 2017 Intel Corporation
+ *
+ * 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 <rules.h>
+#if ENV_RAMSTAGE
+#define __SIMPLE_DEVICE__ 1
+#endif
+
+#include <assert.h>
+#include <commonlib/sdhci.h>
+#include <console/console.h>
+#include <device/pci.h>
+#include "sd_mmc.h"
+#include "storage.h"
+#include <string.h>
+
+/* Initialize an SDHCI port */
+int sdhci_controller_init(struct sdhci_ctrlr *sdhci_ctrlr, void *ioaddr)
+{
+ memset(sdhci_ctrlr, 0, sizeof(*sdhci_ctrlr));
+ sdhci_ctrlr->ioaddr = ioaddr;
+ return add_sdhci(sdhci_ctrlr);
+}
+
+struct sd_mmc_ctrlr *new_mem_sdhci_controller(void *ioaddr)
+{
+ struct sdhci_ctrlr *sdhci_ctrlr;
+
+ sdhci_ctrlr = malloc(sizeof(*sdhci_ctrlr));
+ if (sdhci_ctrlr == NULL)
+ return NULL;
+
+ if (sdhci_controller_init(sdhci_ctrlr, ioaddr)) {
+ free(sdhci_ctrlr);
+ sdhci_ctrlr = NULL;
+ }
+ return &sdhci_ctrlr->sd_mmc_ctrlr;
+}
+
+struct sd_mmc_ctrlr *new_pci_sdhci_controller(uint32_t dev)
+{
+ uint32_t addr;
+
+ addr = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
+ if (addr == ((uint32_t)~0)) {
+ sdhc_error("Error: PCI SDHCI not found\n");
+ return NULL;
+ }
+
+ addr &= ~0xf;
+ return new_mem_sdhci_controller((void *)addr);
+}