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authorBin Meng <bmeng.cn@gmail.com>2014-12-17 15:50:46 +0800
committerSimon Glass <sjg@chromium.org>2014-12-18 17:26:08 -0700
commitaada6276c68daf0229442aa8bf6e60aae4c4fd0d (patch)
tree4de1569994f22c3726f8869344be80fcb1cb5b4d /arch/x86
parent0ff65eb99c3ed4d452b9c74dae8c4f736d92303f (diff)
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x86: crownbay: Add SDHCI support
There are two standard SD card slots on the Crown Bay board, which are connected to the Topcliff PCH SDIO controllers. Enable the SDHC support so that we can use them. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/cpu/queensbay/Makefile2
-rw-r--r--arch/x86/cpu/queensbay/topcliff.c47
2 files changed, 48 insertions, 1 deletions
diff --git a/arch/x86/cpu/queensbay/Makefile b/arch/x86/cpu/queensbay/Makefile
index ace04ca..2c2ec01 100644
--- a/arch/x86/cpu/queensbay/Makefile
+++ b/arch/x86/cpu/queensbay/Makefile
@@ -4,6 +4,6 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y += tnc_car.o tnc_dram.o tnc.o
+obj-y += tnc_car.o tnc_dram.o tnc.o topcliff.o
obj-y += fsp_configs.o fsp_support.o
obj-$(CONFIG_PCI) += tnc_pci.o
diff --git a/arch/x86/cpu/queensbay/topcliff.c b/arch/x86/cpu/queensbay/topcliff.c
new file mode 100644
index 0000000..b01422a
--- /dev/null
+++ b/arch/x86/cpu/queensbay/topcliff.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <malloc.h>
+#include <pci.h>
+#include <pci_ids.h>
+#include <sdhci.h>
+
+static struct pci_device_id mmc_supported[] = {
+ { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TCF_SDIO_0 },
+ { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TCF_SDIO_1 },
+ { }
+};
+
+int cpu_mmc_init(bd_t *bis)
+{
+ struct sdhci_host *mmc_host;
+ pci_dev_t devbusfn;
+ u32 iobase;
+ int ret;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(mmc_supported); i++) {
+ devbusfn = pci_find_devices(mmc_supported, i);
+ if (devbusfn == -1)
+ return -ENODEV;
+
+ mmc_host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
+ if (!mmc_host)
+ return -ENOMEM;
+
+ mmc_host->name = "Topcliff SDHCI";
+ pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, &iobase);
+ mmc_host->ioaddr = (void *)iobase;
+ mmc_host->quirks = 0;
+ ret = add_sdhci(mmc_host, 0, 0);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}