x86: Add basic support to queensbay platform and crownbay board

Implement minimum required functions for the basic support to
queensbay platform and crownbay board.

Currently the implementation is to call fsp_init() in the car_init().
We may move that call to cpu_init_f() in the future.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/arch/x86/cpu/queensbay/tnc_pci.c b/arch/x86/cpu/queensbay/tnc_pci.c
new file mode 100644
index 0000000000..39bff49c8d
--- /dev/null
+++ b/arch/x86/cpu/queensbay/tnc_pci.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <pci.h>
+#include <asm/pci.h>
+#include <asm/arch/fsp/fsp_support.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void board_pci_setup_hose(struct pci_controller *hose)
+{
+	hose->first_busno = 0;
+	hose->last_busno = 0;
+
+	/* PCI memory space */
+	pci_set_region(hose->regions + 0,
+		       CONFIG_PCI_MEM_BUS,
+		       CONFIG_PCI_MEM_PHYS,
+		       CONFIG_PCI_MEM_SIZE,
+		       PCI_REGION_MEM);
+
+	/* PCI IO space */
+	pci_set_region(hose->regions + 1,
+		       CONFIG_PCI_IO_BUS,
+		       CONFIG_PCI_IO_PHYS,
+		       CONFIG_PCI_IO_SIZE,
+		       PCI_REGION_IO);
+
+	pci_set_region(hose->regions + 2,
+		       CONFIG_PCI_PREF_BUS,
+		       CONFIG_PCI_PREF_PHYS,
+		       CONFIG_PCI_PREF_SIZE,
+		       PCI_REGION_PREFETCH);
+
+	pci_set_region(hose->regions + 3,
+		       0,
+		       0,
+		       gd->ram_size,
+		       PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
+
+	hose->region_count = 4;
+}
+
+int board_pci_post_scan(struct pci_controller *hose)
+{
+	u32 status;
+
+	/* call into FspNotify */
+	debug("Calling into FSP (notify phase INIT_PHASE_PCI): ");
+	status = fsp_notify(NULL, INIT_PHASE_PCI);
+	if (status != FSP_SUCCESS)
+		debug("fail, error code %x\n", status);
+	else
+		debug("OK\n");
+
+	return 0;
+}