1 files changed, 116 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/board-js2x/rtas/rtas_pci.c b/qemu/roms/SLOF/board-js2x/rtas/rtas_pci.c
new file mode 100644
index 000000000..55dbf5336
--- /dev/null
+++ b/qemu/roms/SLOF/board-js2x/rtas/rtas_pci.c
@@ -0,0 +1,116 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+#include <stdint.h>
+#include <rtas.h>
+#include <hw.h>
+#include "rtas_board.h"
+
+void
+rtas_ibm_read_pci_config (rtas_args_t *rtas_args)
+{
+	int retVal = 0;
+	uint64_t addr = ((uint64_t) rtas_args->args[1]) << 32;  // high 32 bits of PHB UID
+	addr |= (rtas_args->args[2] & 0xFFFFFFFF); // low 32 bits of PHB UID
+	addr |= (rtas_args->args[0] & 0x00FFFFFF); // bus, devfn, offset
+	unsigned int size = rtas_args->args[3];
+
+	/* Check for bus != 0  on PCI/PCI-X (PHB UID = 0xf2000000) */
+	if (((addr & 0xf2000000) == 0xf2000000) && (addr & 0xff0000))
+		addr += 0x1000000;
+
+	if (size == 1)
+		rtas_args->args[5] = load8_ci(addr);
+	else if (size == 2)
+		rtas_args->args[5] = bswap16_load(addr);
+	else if (size == 4)
+		rtas_args->args[5] = bswap32_load(addr);
+	else
+		retVal = -3;  /* Bad arguments */
+
+	rtas_args->args[4] = retVal;
+}
+
+void
+rtas_ibm_write_pci_config (rtas_args_t *rtas_args)
+{
+	int retVal = 0;
+	uint64_t addr = ((uint64_t) rtas_args->args[1]) << 32;  // high 32 bits of PHB UID
+	addr |= (rtas_args->args[2] & 0xFFFFFFFF); // low 32 bits of PHB UID
+	addr |= (rtas_args->args[0] & 0x00FFFFFF); // bus, devfn, offset
+	unsigned int size = rtas_args->args[3];
+
+	addr |= 0xf2000000;
+
+	/* Check for bus != 0  on PCI/PCI-X (PHB UID = 0xf2000000) */
+	if (((addr & 0xf2000000) == 0xf2000000) && (addr & 0xff0000))
+		addr += 0x1000000;
+
+	if (size == 1)
+		store8_ci(addr, rtas_args->args[4]);
+	else if (size == 2)
+		bswap16_store(addr, rtas_args->args[4]);
+	else if (size == 4)
+		bswap32_store(addr, rtas_args->args[4]);
+	else
+		retVal = -3;  /* Bad arguments */
+
+	rtas_args->args[5] = retVal;
+}
+
+void
+rtas_read_pci_config (rtas_args_t *rtas_args)
+{
+	int retVal = 0;
+	unsigned long addr = rtas_args->args[0];
+	unsigned int size = rtas_args->args[1];
+	addr |= 0xf2000000;
+
+	/* Check for bus != 0 */
+	if (addr & 0xff0000)
+		addr += 0x1000000;
+
+	if (size == 1)
+		rtas_args->args[3] = load8_ci(addr);
+	else if (size == 2)
+		rtas_args->args[3] = bswap16_load(addr);
+	else if (size == 4)
+		rtas_args->args[3] = bswap32_load(addr);
+	else
+		retVal = -3;  /* Bad arguments */
+
+	rtas_args->args[2] = retVal;
+}
+
+void
+rtas_write_pci_config (rtas_args_t *rtas_args)
+{
+	int retVal = 0;
+	unsigned long addr = rtas_args->args[0];
+	unsigned int size = rtas_args->args[1];
+
+	addr |= 0xf2000000;
+
+	/* Check for bus != 0 */
+	if (addr & 0xff0000)
+		addr += 0x1000000;
+
+	if (size == 1)
+		store8_ci(addr, rtas_args->args[2]);
+	else if (size == 2)
+		bswap16_store(addr, rtas_args->args[2]);
+	else if (size == 4)
+		bswap32_store(addr, rtas_args->args[2]);
+	else
+		retVal = -3;  /* Bad arguments */
+
+	rtas_args->args[3] = retVal;
+}