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-rw-r--r--target/linux/ar71xx/patches-3.2/017-MIPS-Initial-PCI-support-for-Atheros-724x-SoCs.patch231
1 files changed, 0 insertions, 231 deletions
diff --git a/target/linux/ar71xx/patches-3.2/017-MIPS-Initial-PCI-support-for-Atheros-724x-SoCs.patch b/target/linux/ar71xx/patches-3.2/017-MIPS-Initial-PCI-support-for-Atheros-724x-SoCs.patch
deleted file mode 100644
index 1959e64eac..0000000000
--- a/target/linux/ar71xx/patches-3.2/017-MIPS-Initial-PCI-support-for-Atheros-724x-SoCs.patch
+++ /dev/null
@@ -1,231 +0,0 @@
-From 958e444a5a7750c407ed0c90af28f74295478e99 Mon Sep 17 00:00:00 2001
-From: Rene Bolldorf <xsecute@googlemail.com>
-Date: Thu, 17 Nov 2011 14:25:09 +0000
-Subject: [PATCH 17/27] MIPS: Initial PCI support for Atheros 724x SoCs.
-
-[ralf@linux-mips.org: Fixed the odd formatting of all break statements.]
-
-Signed-off-by: Rene Bolldorf <xsecute@googlemail.com>
-Cc: linux-mips@linux-mips.org
-Cc: linux-kernel@vger.kernel.org
-Patchwork: https://patchwork.linux-mips.org/patch/3019/
-Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
----
- arch/mips/include/asm/mach-ath79/pci-ath724x.h | 21 +++
- arch/mips/pci/Makefile | 1 +
- arch/mips/pci/pci-ath724x.c | 174 ++++++++++++++++++++++++
- 3 files changed, 196 insertions(+), 0 deletions(-)
- create mode 100644 arch/mips/include/asm/mach-ath79/pci-ath724x.h
- create mode 100644 arch/mips/pci/pci-ath724x.c
-
---- /dev/null
-+++ b/arch/mips/include/asm/mach-ath79/pci-ath724x.h
-@@ -0,0 +1,21 @@
-+/*
-+ * Atheros 724x PCI support
-+ *
-+ * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published
-+ * by the Free Software Foundation.
-+ */
-+
-+#ifndef __ASM_MACH_ATH79_PCI_ATH724X_H
-+#define __ASM_MACH_ATH79_PCI_ATH724X_H
-+
-+struct ath724x_pci_data {
-+ int irq;
-+ void *pdata;
-+};
-+
-+void ath724x_pci_add_data(struct ath724x_pci_data *data, int size);
-+
-+#endif /* __ASM_MACH_ATH79_PCI_ATH724X_H */
---- a/arch/mips/pci/Makefile
-+++ b/arch/mips/pci/Makefile
-@@ -19,6 +19,7 @@ obj-$(CONFIG_BCM47XX) += pci-bcm47xx.o
- obj-$(CONFIG_BCM63XX) += pci-bcm63xx.o fixup-bcm63xx.o \
- ops-bcm63xx.o
- obj-$(CONFIG_MIPS_ALCHEMY) += pci-alchemy.o
-+obj-$(CONFIG_SOC_AR724X) += pci-ath724x.o
-
- #
- # These are still pretty much in the old state, watch, go blind.
---- /dev/null
-+++ b/arch/mips/pci/pci-ath724x.c
-@@ -0,0 +1,174 @@
-+/*
-+ * Atheros 724x PCI support
-+ *
-+ * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published
-+ * by the Free Software Foundation.
-+ */
-+
-+#include <linux/pci.h>
-+#include <asm/mach-ath79/pci-ath724x.h>
-+
-+#define reg_read(_phys) (*(unsigned int *) KSEG1ADDR(_phys))
-+#define reg_write(_phys, _val) ((*(unsigned int *) KSEG1ADDR(_phys)) = (_val))
-+
-+#define ATH724X_PCI_DEV_BASE 0x14000000
-+#define ATH724X_PCI_MEM_BASE 0x10000000
-+#define ATH724X_PCI_MEM_SIZE 0x08000000
-+
-+static DEFINE_SPINLOCK(ath724x_pci_lock);
-+static struct ath724x_pci_data *pci_data;
-+static int pci_data_size;
-+
-+static int ath724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where,
-+ int size, uint32_t *value)
-+{
-+ unsigned long flags, addr, tval, mask;
-+
-+ if (devfn)
-+ return PCIBIOS_DEVICE_NOT_FOUND;
-+
-+ if (where & (size - 1))
-+ return PCIBIOS_BAD_REGISTER_NUMBER;
-+
-+ spin_lock_irqsave(&ath724x_pci_lock, flags);
-+
-+ switch (size) {
-+ case 1:
-+ addr = where & ~3;
-+ mask = 0xff000000 >> ((where % 4) * 8);
-+ tval = reg_read(ATH724X_PCI_DEV_BASE + addr);
-+ tval = tval & ~mask;
-+ *value = (tval >> ((4 - (where % 4))*8));
-+ break;
-+ case 2:
-+ addr = where & ~3;
-+ mask = 0xffff0000 >> ((where % 4)*8);
-+ tval = reg_read(ATH724X_PCI_DEV_BASE + addr);
-+ tval = tval & ~mask;
-+ *value = (tval >> ((4 - (where % 4))*8));
-+ break;
-+ case 4:
-+ *value = reg_read(ATH724X_PCI_DEV_BASE + where);
-+ break;
-+ default:
-+ spin_unlock_irqrestore(&ath724x_pci_lock, flags);
-+
-+ return PCIBIOS_BAD_REGISTER_NUMBER;
-+ }
-+
-+ spin_unlock_irqrestore(&ath724x_pci_lock, flags);
-+
-+ return PCIBIOS_SUCCESSFUL;
-+}
-+
-+static int ath724x_pci_write(struct pci_bus *bus, unsigned int devfn, int where,
-+ int size, uint32_t value)
-+{
-+ unsigned long flags, tval, addr, mask;
-+
-+ if (devfn)
-+ return PCIBIOS_DEVICE_NOT_FOUND;
-+
-+ if (where & (size - 1))
-+ return PCIBIOS_BAD_REGISTER_NUMBER;
-+
-+ spin_lock_irqsave(&ath724x_pci_lock, flags);
-+
-+ switch (size) {
-+ case 1:
-+ addr = (ATH724X_PCI_DEV_BASE + where) & ~3;
-+ mask = 0xff000000 >> ((where % 4)*8);
-+ tval = reg_read(addr);
-+ tval = tval & ~mask;
-+ tval |= (value << ((4 - (where % 4))*8)) & mask;
-+ reg_write(addr, tval);
-+ break;
-+ case 2:
-+ addr = (ATH724X_PCI_DEV_BASE + where) & ~3;
-+ mask = 0xffff0000 >> ((where % 4)*8);
-+ tval = reg_read(addr);
-+ tval = tval & ~mask;
-+ tval |= (value << ((4 - (where % 4))*8)) & mask;
-+ reg_write(addr, tval);
-+ break;
-+ case 4:
-+ reg_write((ATH724X_PCI_DEV_BASE + where), value);
-+ break;
-+ default:
-+ spin_unlock_irqrestore(&ath724x_pci_lock, flags);
-+
-+ return PCIBIOS_BAD_REGISTER_NUMBER;
-+ }
-+
-+ spin_unlock_irqrestore(&ath724x_pci_lock, flags);
-+
-+ return PCIBIOS_SUCCESSFUL;
-+}
-+
-+static struct pci_ops ath724x_pci_ops = {
-+ .read = ath724x_pci_read,
-+ .write = ath724x_pci_write,
-+};
-+
-+static struct resource ath724x_io_resource = {
-+ .name = "PCI IO space",
-+ .start = 0,
-+ .end = 0,
-+ .flags = IORESOURCE_IO,
-+};
-+
-+static struct resource ath724x_mem_resource = {
-+ .name = "PCI memory space",
-+ .start = ATH724X_PCI_MEM_BASE,
-+ .end = ATH724X_PCI_MEM_BASE + ATH724X_PCI_MEM_SIZE - 1,
-+ .flags = IORESOURCE_MEM,
-+};
-+
-+static struct pci_controller ath724x_pci_controller = {
-+ .pci_ops = &ath724x_pci_ops,
-+ .io_resource = &ath724x_io_resource,
-+ .mem_resource = &ath724x_mem_resource,
-+};
-+
-+void ath724x_pci_add_data(struct ath724x_pci_data *data, int size)
-+{
-+ pci_data = data;
-+ pci_data_size = size;
-+}
-+
-+int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
-+{
-+ unsigned int devfn = dev->devfn;
-+ int irq = -1;
-+
-+ if (devfn > pci_data_size - 1)
-+ return irq;
-+
-+ irq = pci_data[devfn].irq;
-+
-+ return irq;
-+}
-+
-+int pcibios_plat_dev_init(struct pci_dev *dev)
-+{
-+ unsigned int devfn = dev->devfn;
-+
-+ if (devfn > pci_data_size - 1)
-+ return PCIBIOS_DEVICE_NOT_FOUND;
-+
-+ dev->dev.platform_data = pci_data[devfn].pdata;
-+
-+ return PCIBIOS_SUCCESSFUL;
-+}
-+
-+static int __init ath724x_pcibios_init(void)
-+{
-+ register_pci_controller(&ath724x_pci_controller);
-+
-+ return PCIBIOS_SUCCESSFUL;
-+}
-+
-+arch_initcall(ath724x_pcibios_init);
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