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authorRudolf Marek <r.marek@assembler.cz>2012-03-25 18:16:11 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2012-03-27 18:39:05 +0200
commit6b89b4c75f86f9cbb32cccf728c9a623a205963d (patch)
tree772b3968a342abb8a69df7ff3b90330ddcc253fc /src/southbridge/rdc/r8610
parentc0c5ac7c906c0123f29938900084233957ce3be0 (diff)
downloadcoreboot-6b89b4c75f86f9cbb32cccf728c9a623a205963d.tar.xz
Add support for RDC R8610 Southbridge
So far it just setups things right for Bifferboard. We may change it in the future to fit other hardware. Change-Id: I1c4ccff4e47b9cb9e31a738f038fc4f4ebe59087 Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Reviewed-on: http://review.coreboot.org/808 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/southbridge/rdc/r8610')
-rw-r--r--src/southbridge/rdc/r8610/Kconfig26
-rw-r--r--src/southbridge/rdc/r8610/Makefile.inc20
-rw-r--r--src/southbridge/rdc/r8610/bootblock.c29
-rw-r--r--src/southbridge/rdc/r8610/r8610.c118
4 files changed, 193 insertions, 0 deletions
diff --git a/src/southbridge/rdc/r8610/Kconfig b/src/southbridge/rdc/r8610/Kconfig
new file mode 100644
index 0000000000..e9941f0e23
--- /dev/null
+++ b/src/southbridge/rdc/r8610/Kconfig
@@ -0,0 +1,26 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2008-2009 coresystems GmbH
+##
+## 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; version 2 of the License.
+##
+## 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.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+##
+
+config SOUTHBRIDGE_RDC_R8610
+ bool
+
+config BOOTBLOCK_SOUTHBRIDGE_INIT
+ string
+ default "southbridge/rdc/r8610/bootblock.c"
+ depends on SOUTHBRIDGE_RDC_R8610
diff --git a/src/southbridge/rdc/r8610/Makefile.inc b/src/southbridge/rdc/r8610/Makefile.inc
new file mode 100644
index 0000000000..24d76a8571
--- /dev/null
+++ b/src/southbridge/rdc/r8610/Makefile.inc
@@ -0,0 +1,20 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2007, 2009 Rudolf Marek <r.marek@assembler.cz>
+##
+## 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; version 2 of the License.
+##
+## 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.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+##
+
+driver-y += r8610.c
diff --git a/src/southbridge/rdc/r8610/bootblock.c b/src/southbridge/rdc/r8610/bootblock.c
new file mode 100644
index 0000000000..ec6d271816
--- /dev/null
+++ b/src/southbridge/rdc/r8610/bootblock.c
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Rudolf Marek <r.marek@assembler.cz>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <device/pci_def.h>
+
+static void bootblock_southbridge_init(void) {
+ uint32_t tmp;
+ tmp = pci_read_config32(PCI_DEV(0,7,0), 0x40);
+ /* decode all flash ranges */
+ pci_write_config32(PCI_DEV(0,7,0), 0x40, tmp | 0x07ff0000);
+}
diff --git a/src/southbridge/rdc/r8610/r8610.c b/src/southbridge/rdc/r8610/r8610.c
new file mode 100644
index 0000000000..6b45669295
--- /dev/null
+++ b/src/southbridge/rdc/r8610/r8610.c
@@ -0,0 +1,118 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Rudolf Marek <r.marek@assembler.cz>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <pc80/i8259.h>
+#include <stdlib.h>
+
+static const unsigned char enetIrqs[4] = { 10, 0, 0, 0 };
+static const unsigned char usbIrqs[4] = { 15, 14, 0, 0 };
+
+static void pci_routing_fixup(struct device *dev)
+{
+ pci_assign_irqs(0, 0x8, enetIrqs);
+ pci_assign_irqs(0, 0xa, usbIrqs);
+}
+
+static void r8610_init(struct device *dev)
+{
+ device_t nb_dev;
+ u32 tmp;
+
+ printk(BIOS_DEBUG, "r8610 init\n");
+
+ /* clear DMA? */
+ outb(0x4, 0x8);
+ outb(0x4, 0x10);
+
+ outb(0xfc, 0x61);
+
+ /* Set serial base */
+ pci_write_config32(dev, 0x54, 0x3f8);
+ /* serial IRQ disable, LPC disable, COM2 goes to LPC, internal UART for COM1 */
+ pci_write_config32(dev, 0x50, 0x84101012);
+
+ /* Enable internal Port92, enable chipselect for flash */
+ tmp = pci_read_config32(dev, 0x40);
+ pci_write_config32(dev, 0x40, tmp | 0x07FF0600);
+
+ /* buffer strength SB pins */
+ pci_write_config32(dev, 0x5c, 0x2315);
+
+ /* EHCI 14, OHCI 15, MAC1 disable, MAC0 10, INTD 9, INTC 9, INTB 12, INTA INT10 */
+ pci_write_config32(dev, 0x58, 0xdf0311b3);
+
+ /* USB PHY control */
+ nb_dev = dev_find_device(PCI_VENDOR_ID_RDC,
+ PCI_DEVICE_ID_RDC_R8610_NB, 0);
+
+ tmp = pci_read_config32(nb_dev, 0xc0);
+ tmp |= 0x40000;
+ pci_write_config32(nb_dev, 0xc0, tmp);
+
+ setup_i8259();
+}
+
+static void r8610_read_resources(device_t dev)
+{
+ struct resource *res;
+
+ pci_dev_read_resources(dev);
+
+ res = new_resource(dev, 1);
+ res->base = 0x0UL;
+ res->size = 0x1000UL;
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ /* Reserve space for flash */
+ res = new_resource(dev, 2);
+ res->base = 0xff800000;
+ res->size = 8*1024*1024;
+ res->limit = 0xffffffffUL;
+ res->flags = IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED |
+ IORESOURCE_ASSIGNED;
+}
+
+static void southbridge_init(struct device *dev)
+{
+ r8610_init(dev);
+ pci_routing_fixup(dev);
+}
+
+static struct device_operations r8610_sb_ops = {
+ .read_resources = r8610_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = &southbridge_init,
+ .scan_bus = scan_static_bus,
+ .enable = 0,
+ .ops_pci = 0,
+};
+
+static const struct pci_driver lpc_driver __pci_driver = {
+ .ops = &r8610_sb_ops,
+ .vendor = PCI_VENDOR_ID_RDC,
+ .device = PCI_DEVICE_ID_RDC_R8610_SB,
+};
+