bcm47xx: Add driver for the SSB Gigabit Ethernet core. It doesn't work, yet, but let's commit what we have.
SVN-Revision: 10509
This commit is contained in:
Michael Büsch
parent
bd91c79caa
commit
19477a56a9
7 changed files with 1216 additions and 0 deletions
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@ -715,3 +715,29 @@ define KernelPackage/3c59x/description
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endef
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$(eval $(call KernelPackage,3c59x))
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define KernelPackage/tg3
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TITLE:=Broadcom Tigon3 Gigabit Ethernet
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FILES:=$(LINUX_DIR)/drivers/net/tg3.$(LINUX_KMOD_SUFFIX)
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KCONFIG:=CONFIG_TIGON3
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DEPENDS:=@LINUX_2_6
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SUBMENU:=$(NETWORK_DEVICES_MENU)
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AUTOLOAD:=$(call AutoLoad,50,tg3)
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endef
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define KernelPackage/tg3/description
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Kernel modules for Broadcom Tigon3 Gigabit Ethernet adapters.
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endef
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$(eval $(call KernelPackage,tg3))
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define KernelPackage/ssb-gige
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TITLE:=Broadcom SSB Gigabit Ethernet
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KCONFIG:=CONFIG_SSB_DRIVER_GIGE=y
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DEPENDS:=@TARGET_brcm47xx +kmod-tg3
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SUBMENU:=$(NETWORK_DEVICES_MENU)
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endef
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define KernelPackage/ssb-gige/description
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Kernel modules for Broadcom SSB Gigabit Ethernet adapters.
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endef
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$(eval $(call KernelPackage,ssb-gige))
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@ -89,6 +89,7 @@ CONFIG_INPUT=m
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CONFIG_IPW2200_QOS=y
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# CONFIG_IP_ROUTE_VERBOSE is not set
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CONFIG_IRQ_CPU=y
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# CONFIG_LEDS_ALIX is not set
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# CONFIG_LEDS_GPIO is not set
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# CONFIG_LEMOTE_FULONG is not set
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# CONFIG_LLC2 is not set
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@ -196,9 +197,11 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
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CONFIG_SSB=y
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CONFIG_SSB_DEBUG=y
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CONFIG_SSB_DRIVER_EXTIF=y
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# CONFIG_SSB_DRIVER_GIGE is not set
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CONFIG_SSB_DRIVER_MIPS=y
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CONFIG_SSB_DRIVER_PCICORE=y
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CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
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CONFIG_SSB_EMBEDDED=y
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CONFIG_SSB_PCICORE_HOSTMODE=y
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CONFIG_SSB_PCIHOST=y
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CONFIG_SSB_PCIHOST_POSSIBLE=y
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@ -1,5 +1,6 @@
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/*
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* Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
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* Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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@ -29,12 +30,18 @@
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#include <linux/module.h>
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#include <linux/smp.h>
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <linux/ssb/ssb.h>
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#include <asm/cpu.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/irq_cpu.h>
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extern struct ssb_bus ssb;
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void plat_irq_dispatch(void)
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{
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u32 cause;
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@ -61,3 +68,19 @@ void __init arch_init_irq(void)
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{
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mips_cpu_irq_init();
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}
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int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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{
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int res;
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res = ssb_pcibios_map_irq(dev, slot, pin);
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if (res < 0) {
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printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
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pci_name((struct pci_dev *)dev));
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return 0;
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}
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/* IRQ-0 and IRQ-1 are software interrupts. */
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WARN_ON((res == 0) || (res == 1));
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return res;
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}
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@ -47,6 +47,20 @@ extern void bcm47xx_time_init(void);
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struct ssb_bus ssb;
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int pcibios_plat_dev_init(struct pci_dev *dev)
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{
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int err;
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err = ssb_pcibios_plat_dev_init(dev);
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if (err) {
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printk(KERN_ALERT "PCI: Failed to init device %s\n",
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pci_name(dev));
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}
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return err;
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}
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static void bcm47xx_machine_restart(char *command)
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{
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printk(KERN_ALERT "Please stand by while rebooting the system...\n");
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@ -0,0 +1,197 @@
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Add support for 8bit reads/writes to SSB.
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Index: linux-2.6.23.16/drivers/ssb/main.c
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===================================================================
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--- linux-2.6.23.16.orig/drivers/ssb/main.c 2008-02-20 14:10:07.000000000 +0100
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+++ linux-2.6.23.16/drivers/ssb/main.c 2008-02-20 18:34:48.000000000 +0100
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@@ -507,6 +507,14 @@ error:
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return err;
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}
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+static u8 ssb_ssb_read8(struct ssb_device *dev, u16 offset)
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+{
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+ struct ssb_bus *bus = dev->bus;
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+
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+ offset += dev->core_index * SSB_CORE_SIZE;
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+ return readb(bus->mmio + offset);
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+}
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+
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static u16 ssb_ssb_read16(struct ssb_device *dev, u16 offset)
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{
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struct ssb_bus *bus = dev->bus;
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@@ -523,6 +531,14 @@ static u32 ssb_ssb_read32(struct ssb_dev
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return readl(bus->mmio + offset);
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}
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+static void ssb_ssb_write8(struct ssb_device *dev, u16 offset, u8 value)
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+{
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+ struct ssb_bus *bus = dev->bus;
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+
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+ offset += dev->core_index * SSB_CORE_SIZE;
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+ writeb(value, bus->mmio + offset);
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+}
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+
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static void ssb_ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
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{
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struct ssb_bus *bus = dev->bus;
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@@ -541,8 +557,10 @@ static void ssb_ssb_write32(struct ssb_d
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/* Ops for the plain SSB bus without a host-device (no PCI or PCMCIA). */
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static const struct ssb_bus_ops ssb_ssb_ops = {
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+ .read8 = ssb_ssb_read8,
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.read16 = ssb_ssb_read16,
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.read32 = ssb_ssb_read32,
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+ .write8 = ssb_ssb_write8,
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.write16 = ssb_ssb_write16,
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.write32 = ssb_ssb_write32,
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};
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Index: linux-2.6.23.16/drivers/ssb/pci.c
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===================================================================
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--- linux-2.6.23.16.orig/drivers/ssb/pci.c 2008-02-20 14:10:03.000000000 +0100
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+++ linux-2.6.23.16/drivers/ssb/pci.c 2008-02-20 14:10:07.000000000 +0100
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@@ -572,6 +572,19 @@ static inline int ssb_pci_assert_buspowe
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}
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#endif /* DEBUG */
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+static u8 ssb_pci_read8(struct ssb_device *dev, u16 offset)
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+{
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+ struct ssb_bus *bus = dev->bus;
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+
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+ if (unlikely(ssb_pci_assert_buspower(bus)))
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+ return 0xFF;
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+ if (unlikely(bus->mapped_device != dev)) {
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+ if (unlikely(ssb_pci_switch_core(bus, dev)))
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+ return 0xFF;
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+ }
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+ return ioread8(bus->mmio + offset);
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+}
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+
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static u16 ssb_pci_read16(struct ssb_device *dev, u16 offset)
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{
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struct ssb_bus *bus = dev->bus;
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@@ -598,6 +611,19 @@ static u32 ssb_pci_read32(struct ssb_dev
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return ioread32(bus->mmio + offset);
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}
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+static void ssb_pci_write8(struct ssb_device *dev, u16 offset, u8 value)
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+{
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+ struct ssb_bus *bus = dev->bus;
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+
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+ if (unlikely(ssb_pci_assert_buspower(bus)))
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+ return;
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+ if (unlikely(bus->mapped_device != dev)) {
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+ if (unlikely(ssb_pci_switch_core(bus, dev)))
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+ return;
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+ }
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+ iowrite8(value, bus->mmio + offset);
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+}
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+
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static void ssb_pci_write16(struct ssb_device *dev, u16 offset, u16 value)
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{
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struct ssb_bus *bus = dev->bus;
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@@ -626,8 +652,10 @@ static void ssb_pci_write32(struct ssb_d
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/* Not "static", as it's used in main.c */
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const struct ssb_bus_ops ssb_pci_ops = {
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+ .read8 = ssb_pci_read8,
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.read16 = ssb_pci_read16,
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.read32 = ssb_pci_read32,
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+ .write8 = ssb_pci_write8,
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.write16 = ssb_pci_write16,
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.write32 = ssb_pci_write32,
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};
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Index: linux-2.6.23.16/drivers/ssb/pcmcia.c
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===================================================================
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--- linux-2.6.23.16.orig/drivers/ssb/pcmcia.c 2008-02-20 14:10:03.000000000 +0100
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+++ linux-2.6.23.16/drivers/ssb/pcmcia.c 2008-02-20 14:10:07.000000000 +0100
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@@ -172,6 +172,22 @@ static int select_core_and_segment(struc
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return 0;
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}
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+static u8 ssb_pcmcia_read8(struct ssb_device *dev, u16 offset)
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+{
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+ struct ssb_bus *bus = dev->bus;
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+ unsigned long flags;
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+ int err;
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+ u8 value = 0xFF;
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+
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+ spin_lock_irqsave(&bus->bar_lock, flags);
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+ err = select_core_and_segment(dev, &offset);
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+ if (likely(!err))
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+ value = readb(bus->mmio + offset);
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+ spin_unlock_irqrestore(&bus->bar_lock, flags);
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+
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+ return value;
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+}
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+
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static u16 ssb_pcmcia_read16(struct ssb_device *dev, u16 offset)
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{
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struct ssb_bus *bus = dev->bus;
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@@ -206,6 +222,20 @@ static u32 ssb_pcmcia_read32(struct ssb_
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return (lo | (hi << 16));
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}
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+static void ssb_pcmcia_write8(struct ssb_device *dev, u16 offset, u8 value)
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+{
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+ struct ssb_bus *bus = dev->bus;
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+ unsigned long flags;
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+ int err;
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+
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+ spin_lock_irqsave(&bus->bar_lock, flags);
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+ err = select_core_and_segment(dev, &offset);
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+ if (likely(!err))
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+ writeb(value, bus->mmio + offset);
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+ mmiowb();
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+ spin_unlock_irqrestore(&bus->bar_lock, flags);
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+}
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+
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static void ssb_pcmcia_write16(struct ssb_device *dev, u16 offset, u16 value)
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{
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struct ssb_bus *bus = dev->bus;
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@@ -238,8 +268,10 @@ static void ssb_pcmcia_write32(struct ss
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/* Not "static", as it's used in main.c */
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const struct ssb_bus_ops ssb_pcmcia_ops = {
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+ .read8 = ssb_pcmcia_read8,
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.read16 = ssb_pcmcia_read16,
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.read32 = ssb_pcmcia_read32,
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+ .write8 = ssb_pcmcia_write8,
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.write16 = ssb_pcmcia_write16,
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.write32 = ssb_pcmcia_write32,
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};
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Index: linux-2.6.23.16/include/linux/ssb/ssb.h
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===================================================================
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--- linux-2.6.23.16.orig/include/linux/ssb/ssb.h 2008-02-20 14:10:07.000000000 +0100
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+++ linux-2.6.23.16/include/linux/ssb/ssb.h 2008-02-20 18:33:21.000000000 +0100
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@@ -72,8 +72,10 @@ struct ssb_device;
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/* Lowlevel read/write operations on the device MMIO.
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* Internal, don't use that outside of ssb. */
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struct ssb_bus_ops {
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+ u8 (*read8)(struct ssb_device *dev, u16 offset);
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u16 (*read16)(struct ssb_device *dev, u16 offset);
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u32 (*read32)(struct ssb_device *dev, u16 offset);
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+ void (*write8)(struct ssb_device *dev, u16 offset, u8 value);
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void (*write16)(struct ssb_device *dev, u16 offset, u16 value);
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void (*write32)(struct ssb_device *dev, u16 offset, u32 value);
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};
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@@ -344,6 +346,10 @@ void ssb_device_disable(struct ssb_devic
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/* Device MMIO register read/write functions. */
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+static inline u8 ssb_read8(struct ssb_device *dev, u16 offset)
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+{
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+ return dev->ops->read8(dev, offset);
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+}
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static inline u16 ssb_read16(struct ssb_device *dev, u16 offset)
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{
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return dev->ops->read16(dev, offset);
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@@ -352,6 +358,10 @@ static inline u32 ssb_read32(struct ssb_
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{
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return dev->ops->read32(dev, offset);
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}
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+static inline void ssb_write8(struct ssb_device *dev, u16 offset, u8 value)
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+{
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+ dev->ops->write8(dev, offset, value);
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+}
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static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
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{
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dev->ops->write16(dev, offset, value);
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@ -0,0 +1,163 @@
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Allow registering PCI devices after early boot.
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This is an ugly hack and needs to be rewritten before going upstream.
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Index: linux-2.6.23.16/arch/mips/pci/pci.c
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===================================================================
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--- linux-2.6.23.16.orig/arch/mips/pci/pci.c 2008-02-20 16:06:36.000000000 +0100
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+++ linux-2.6.23.16/arch/mips/pci/pci.c 2008-02-20 16:09:33.000000000 +0100
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@@ -21,6 +21,17 @@
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*/
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int pci_probe_only;
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+/*
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+ * Indicate whether PCI-bios init was already done.
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+ */
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+static int pcibios_init_done;
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+
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+/*
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+ * The currently used busnumber.
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+ */
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+static int next_busno;
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+static int need_domain_info;
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+
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#define PCI_ASSIGN_ALL_BUSSES 1
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unsigned int pci_probe = PCI_ASSIGN_ALL_BUSSES;
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@@ -75,8 +86,32 @@ pcibios_align_resource(void *data, struc
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res->start = start;
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}
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-void __devinit register_pci_controller(struct pci_controller *hose)
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+/* Most MIPS systems have straight-forward swizzling needs. */
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+
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+static inline u8 bridge_swizzle(u8 pin, u8 slot)
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+{
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+ return (((pin - 1) + slot) % 4) + 1;
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+}
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+
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+static u8 common_swizzle(struct pci_dev *dev, u8 *pinp)
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{
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+ u8 pin = *pinp;
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+
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+ while (dev->bus->parent) {
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+ pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
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+ /* Move up the chain of bridges. */
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+ dev = dev->bus->self;
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+ }
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+ *pinp = pin;
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+
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+ /* The slot is the slot of the last bridge. */
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+ return PCI_SLOT(dev->devfn);
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+}
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+
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+void register_pci_controller(struct pci_controller *hose)
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+{
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+ struct pci_bus *bus;
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+
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if (request_resource(&iomem_resource, hose->mem_resource) < 0)
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goto out;
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if (request_resource(&ioport_resource, hose->io_resource) < 0) {
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@@ -84,9 +119,6 @@ void __devinit register_pci_controller(s
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goto out;
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}
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- *hose_tail = hose;
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- hose_tail = &hose->next;
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-
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/*
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* Do not panic here but later - this might hapen before console init.
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*/
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@@ -94,41 +126,47 @@ void __devinit register_pci_controller(s
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printk(KERN_WARNING
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"registering PCI controller with io_map_base unset\n");
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}
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- return;
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-out:
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- printk(KERN_WARNING
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- "Skipping PCI bus scan due to resource conflict\n");
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-}
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+ if (pcibios_init_done) {
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+ //TODO
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-/* Most MIPS systems have straight-forward swizzling needs. */
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+ printk(KERN_INFO "Registering a PCI bus after boot\n");
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-static inline u8 bridge_swizzle(u8 pin, u8 slot)
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-{
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- return (((pin - 1) + slot) % 4) + 1;
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-}
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+ if (!hose->iommu)
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+ PCI_DMA_BUS_IS_PHYS = 1;
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-static u8 __init common_swizzle(struct pci_dev *dev, u8 *pinp)
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-{
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- u8 pin = *pinp;
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+ bus = pci_scan_bus(next_busno, hose->pci_ops, hose);
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+ hose->bus = bus;
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+ need_domain_info = need_domain_info || hose->index;
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+ hose->need_domain_info = need_domain_info;
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+ if (bus) {
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+ next_busno = bus->subordinate + 1;
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+ /* Don't allow 8-bit bus number overflow inside the hose -
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+ reserve some space for bridges. */
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+ if (next_busno > 224) {
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+ next_busno = 0;
|
||||
+ need_domain_info = 1;
|
||||
+ }
|
||||
+ }
|
||||
+ if (!pci_probe_only)
|
||||
+ pci_assign_unassigned_resources();
|
||||
+ pci_fixup_irqs(common_swizzle, pcibios_map_irq);
|
||||
+ } else {
|
||||
+ *hose_tail = hose;
|
||||
+ hose_tail = &hose->next;
|
||||
+ }
|
||||
|
||||
- while (dev->bus->parent) {
|
||||
- pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
|
||||
- /* Move up the chain of bridges. */
|
||||
- dev = dev->bus->self;
|
||||
- }
|
||||
- *pinp = pin;
|
||||
+ return;
|
||||
|
||||
- /* The slot is the slot of the last bridge. */
|
||||
- return PCI_SLOT(dev->devfn);
|
||||
+out:
|
||||
+ printk(KERN_WARNING
|
||||
+ "Skipping PCI bus scan due to resource conflict\n");
|
||||
}
|
||||
|
||||
static int __init pcibios_init(void)
|
||||
{
|
||||
struct pci_controller *hose;
|
||||
struct pci_bus *bus;
|
||||
- int next_busno;
|
||||
- int need_domain_info = 0;
|
||||
|
||||
/* Scan all of the recorded PCI controllers. */
|
||||
for (next_busno = 0, hose = hose_head; hose; hose = hose->next) {
|
||||
@@ -157,6 +195,7 @@ static int __init pcibios_init(void)
|
||||
if (!pci_probe_only)
|
||||
pci_assign_unassigned_resources();
|
||||
pci_fixup_irqs(common_swizzle, pcibios_map_irq);
|
||||
+ pcibios_init_done = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
Index: linux-2.6.23.16/drivers/ssb/main.c
|
||||
===================================================================
|
||||
--- linux-2.6.23.16.orig/drivers/ssb/main.c 2008-02-20 16:06:36.000000000 +0100
|
||||
+++ linux-2.6.23.16/drivers/ssb/main.c 2008-02-20 18:33:21.000000000 +0100
|
||||
@@ -1185,9 +1185,7 @@ static int __init ssb_modinit(void)
|
||||
/* ssb must be initialized after PCI but before the ssb drivers.
|
||||
* That means we must use some initcall between subsys_initcall
|
||||
* and device_initcall. */
|
||||
-//FIXME on embedded we need to be early to make sure we can register
|
||||
-// a new PCI bus, if needed.
|
||||
-subsys_initcall(ssb_modinit);
|
||||
+fs_initcall(ssb_modinit);
|
||||
|
||||
static void __exit ssb_modexit(void)
|
||||
{
|
||||
|
|
@ -0,0 +1,790 @@
|
|||
Index: linux-2.6.23.16/drivers/ssb/Kconfig
|
||||
===================================================================
|
||||
--- linux-2.6.23.16.orig/drivers/ssb/Kconfig 2008-02-20 18:32:01.000000000 +0100
|
||||
+++ linux-2.6.23.16/drivers/ssb/Kconfig 2008-02-20 18:32:31.000000000 +0100
|
||||
@@ -120,4 +120,13 @@ config SSB_DRIVER_EXTIF
|
||||
|
||||
If unsure, say N
|
||||
|
||||
+config SSB_DRIVER_GIGE
|
||||
+ bool "SSB Broadcom Gigabit Ethernet driver (EXPERIMENTAL)"
|
||||
+ depends on SSB_PCIHOST_POSSIBLE && SSB_EMBEDDED && MIPS && EXPERIMENTAL
|
||||
+ help
|
||||
+ Driver the the Sonics Silicon Backplane attached
|
||||
+ Broadcom Gigabit Ethernet.
|
||||
+
|
||||
+ If unsure, say N
|
||||
+
|
||||
endmenu
|
||||
Index: linux-2.6.23.16/drivers/ssb/Makefile
|
||||
===================================================================
|
||||
--- linux-2.6.23.16.orig/drivers/ssb/Makefile 2008-02-20 18:32:01.000000000 +0100
|
||||
+++ linux-2.6.23.16/drivers/ssb/Makefile 2008-02-20 18:32:31.000000000 +0100
|
||||
@@ -11,6 +11,7 @@ ssb-y += driver_chipcommon.o
|
||||
ssb-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o
|
||||
ssb-$(CONFIG_SSB_DRIVER_EXTIF) += driver_extif.o
|
||||
ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o
|
||||
+ssb-$(CONFIG_SSB_DRIVER_GIGE) += driver_gige.o
|
||||
|
||||
# b43 pci-ssb-bridge driver
|
||||
# Not strictly a part of SSB, but kept here for convenience
|
||||
Index: linux-2.6.23.16/drivers/ssb/driver_gige.c
|
||||
===================================================================
|
||||
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
||||
+++ linux-2.6.23.16/drivers/ssb/driver_gige.c 2008-02-20 18:32:31.000000000 +0100
|
||||
@@ -0,0 +1,268 @@
|
||||
+/*
|
||||
+ * Sonics Silicon Backplane
|
||||
+ * Broadcom Gigabit Ethernet core driver
|
||||
+ *
|
||||
+ * Copyright 2008, Broadcom Corporation
|
||||
+ * Copyright 2008, Michael Buesch <mb@bu3sch.de>
|
||||
+ *
|
||||
+ * Licensed under the GNU/GPL. See COPYING for details.
|
||||
+ */
|
||||
+
|
||||
+#include <linux/ssb/ssb.h>
|
||||
+#include <linux/pci.h>
|
||||
+#include <linux/pci_regs.h>
|
||||
+#include <linux/ssb/ssb_driver_gige.h>
|
||||
+
|
||||
+
|
||||
+MODULE_DESCRIPTION("SSB Broadcom Gigabit Ethernet driver");
|
||||
+MODULE_AUTHOR("Michael Buesch");
|
||||
+MODULE_LICENSE("GPL");
|
||||
+
|
||||
+
|
||||
+static const struct ssb_device_id ssb_gige_tbl[] = {
|
||||
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_ETHERNET_GBIT, SSB_ANY_REV),
|
||||
+ SSB_DEVTABLE_END
|
||||
+};
|
||||
+MODULE_DEVICE_TABLE(ssb, ssb_gige_tbl);
|
||||
+
|
||||
+
|
||||
+static inline u8 gige_read8(struct ssb_gige *dev, u16 offset)
|
||||
+{
|
||||
+ return ssb_read8(dev->dev, offset);
|
||||
+}
|
||||
+
|
||||
+static inline u16 gige_read16(struct ssb_gige *dev, u16 offset)
|
||||
+{
|
||||
+ return ssb_read16(dev->dev, offset);
|
||||
+}
|
||||
+
|
||||
+static inline u32 gige_read32(struct ssb_gige *dev, u16 offset)
|
||||
+{
|
||||
+ return ssb_read32(dev->dev, offset);
|
||||
+}
|
||||
+
|
||||
+static inline void gige_write8(struct ssb_gige *dev,
|
||||
+ u16 offset, u8 value)
|
||||
+{
|
||||
+ ssb_write8(dev->dev, offset, value);
|
||||
+}
|
||||
+
|
||||
+static inline void gige_write16(struct ssb_gige *dev,
|
||||
+ u16 offset, u16 value)
|
||||
+{
|
||||
+ ssb_write16(dev->dev, offset, value);
|
||||
+}
|
||||
+
|
||||
+static inline void gige_write32(struct ssb_gige *dev,
|
||||
+ u16 offset, u32 value)
|
||||
+{
|
||||
+ ssb_write32(dev->dev, offset, value);
|
||||
+}
|
||||
+
|
||||
+static inline
|
||||
+u8 gige_pcicfg_read8(struct ssb_gige *dev, unsigned int offset)
|
||||
+{
|
||||
+ BUG_ON(offset >= 256);
|
||||
+ return gige_read8(dev, SSB_GIGE_PCICFG + offset);
|
||||
+}
|
||||
+
|
||||
+static inline
|
||||
+u16 gige_pcicfg_read16(struct ssb_gige *dev, unsigned int offset)
|
||||
+{
|
||||
+ BUG_ON(offset >= 256);
|
||||
+ return gige_read16(dev, SSB_GIGE_PCICFG + offset);
|
||||
+}
|
||||
+
|
||||
+static inline
|
||||
+u32 gige_pcicfg_read32(struct ssb_gige *dev, unsigned int offset)
|
||||
+{
|
||||
+ BUG_ON(offset >= 256);
|
||||
+ return gige_read32(dev, SSB_GIGE_PCICFG + offset);
|
||||
+}
|
||||
+
|
||||
+static inline
|
||||
+void gige_pcicfg_write8(struct ssb_gige *dev,
|
||||
+ unsigned int offset, u8 value)
|
||||
+{
|
||||
+ BUG_ON(offset >= 256);
|
||||
+ gige_write8(dev, SSB_GIGE_PCICFG + offset, value);
|
||||
+}
|
||||
+
|
||||
+static inline
|
||||
+void gige_pcicfg_write16(struct ssb_gige *dev,
|
||||
+ unsigned int offset, u16 value)
|
||||
+{
|
||||
+ BUG_ON(offset >= 256);
|
||||
+ gige_write16(dev, SSB_GIGE_PCICFG + offset, value);
|
||||
+}
|
||||
+
|
||||
+static inline
|
||||
+void gige_pcicfg_write32(struct ssb_gige *dev,
|
||||
+ unsigned int offset, u32 value)
|
||||
+{
|
||||
+ BUG_ON(offset >= 256);
|
||||
+ gige_write32(dev, SSB_GIGE_PCICFG + offset, value);
|
||||
+}
|
||||
+
|
||||
+static int ssb_gige_pci_read_config(struct pci_bus *bus, unsigned int devfn,
|
||||
+ int reg, int size, u32 *val)
|
||||
+{
|
||||
+ struct ssb_gige *dev = container_of(bus->ops, struct ssb_gige, pci_ops);
|
||||
+ unsigned long flags;
|
||||
+
|
||||
+ if ((PCI_SLOT(devfn) > 0) || (PCI_FUNC(devfn) > 0))
|
||||
+ return PCIBIOS_DEVICE_NOT_FOUND;
|
||||
+ if (reg >= 256)
|
||||
+ return PCIBIOS_DEVICE_NOT_FOUND;
|
||||
+
|
||||
+ spin_lock_irqsave(&dev->lock, flags);
|
||||
+ switch (size) {
|
||||
+ case 1:
|
||||
+ *val = gige_pcicfg_read8(dev, reg);
|
||||
+ break;
|
||||
+ case 2:
|
||||
+ *val = gige_pcicfg_read16(dev, reg);
|
||||
+ break;
|
||||
+ case 4:
|
||||
+ *val = gige_pcicfg_read32(dev, reg);
|
||||
+ break;
|
||||
+ default:
|
||||
+ WARN_ON(1);
|
||||
+ }
|
||||
+ spin_unlock_irqrestore(&dev->lock, flags);
|
||||
+
|
||||
+ return PCIBIOS_SUCCESSFUL;
|
||||
+}
|
||||
+
|
||||
+static int ssb_gige_pci_write_config(struct pci_bus *bus, unsigned int devfn,
|
||||
+ int reg, int size, u32 val)
|
||||
+{
|
||||
+ struct ssb_gige *dev = container_of(bus->ops, struct ssb_gige, pci_ops);
|
||||
+ unsigned long flags;
|
||||
+
|
||||
+ if ((PCI_SLOT(devfn) > 0) || (PCI_FUNC(devfn) > 0))
|
||||
+ return PCIBIOS_DEVICE_NOT_FOUND;
|
||||
+ if (reg >= 256)
|
||||
+ return PCIBIOS_DEVICE_NOT_FOUND;
|
||||
+
|
||||
+ spin_lock_irqsave(&dev->lock, flags);
|
||||
+ switch (size) {
|
||||
+ case 1:
|
||||
+ gige_pcicfg_write8(dev, reg, val);
|
||||
+ break;
|
||||
+ case 2:
|
||||
+ gige_pcicfg_write16(dev, reg, val);
|
||||
+ break;
|
||||
+ case 4:
|
||||
+ gige_pcicfg_write32(dev, reg, val);
|
||||
+ break;
|
||||
+ default:
|
||||
+ WARN_ON(1);
|
||||
+ }
|
||||
+ spin_unlock_irqrestore(&dev->lock, flags);
|
||||
+
|
||||
+ return PCIBIOS_SUCCESSFUL;
|
||||
+}
|
||||
+
|
||||
+static int ssb_gige_probe(struct ssb_device *sdev, const struct ssb_device_id *id)
|
||||
+{
|
||||
+ struct ssb_gige *dev;
|
||||
+ u32 base;
|
||||
+
|
||||
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
|
||||
+ if (!dev)
|
||||
+ return -ENOMEM;
|
||||
+ dev->dev = sdev;
|
||||
+
|
||||
+ spin_lock_init(&dev->lock);
|
||||
+ dev->pci_controller.pci_ops = &dev->pci_ops;
|
||||
+ dev->pci_controller.io_resource = &dev->io_resource;
|
||||
+ dev->pci_controller.mem_resource = &dev->mem_resource;
|
||||
+ dev->pci_controller.mem_offset = 0x24000000;
|
||||
+ dev->pci_controller.io_map_base = 0x800;
|
||||
+ dev->pci_ops.read = ssb_gige_pci_read_config;
|
||||
+ dev->pci_ops.write = ssb_gige_pci_write_config;
|
||||
+
|
||||
+ dev->io_resource.name = "SSB GIGE I/O";
|
||||
+ dev->io_resource.start = 0x800;
|
||||
+ dev->io_resource.end = 0x8FF;
|
||||
+ dev->io_resource.flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED;
|
||||
+
|
||||
+ if (!ssb_device_is_enabled(sdev))
|
||||
+ ssb_device_enable(sdev, 0);
|
||||
+
|
||||
+ /* Setup BAR0. This is a 64k MMIO region. */
|
||||
+ base = ssb_admatch_base(ssb_read32(sdev, SSB_ADMATCH1));
|
||||
+ gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_0, base);
|
||||
+ gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_1, 0);
|
||||
+
|
||||
+ dev->mem_resource.name = "SSB GIGE memory";
|
||||
+ dev->mem_resource.start = base;
|
||||
+ dev->mem_resource.end = base + SSB_CORE_SIZE - 1;
|
||||
+ dev->mem_resource.flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED;
|
||||
+
|
||||
+ /* Enable the memory region. */
|
||||
+ gige_pcicfg_write16(dev, PCI_COMMAND,
|
||||
+ gige_pcicfg_read16(dev, PCI_COMMAND)
|
||||
+ | PCI_COMMAND_MEMORY);
|
||||
+
|
||||
+ /* Write flushing is controlled by the Flush Status Control register.
|
||||
+ * We want to flush every register write with a timeout and we want
|
||||
+ * to disable the IRQ mask while flushing to avoid concurrency.
|
||||
+ * Note that automatic write flushing does _not_ work from
|
||||
+ * an IRQ handler. The driver must flush manually by reading a register.
|
||||
+ */
|
||||
+ gige_write32(dev, SSB_GIGE_SHIM_FLUSHSTAT, 0x00000068);
|
||||
+
|
||||
+ //TODO
|
||||
+
|
||||
+ ssb_set_drvdata(sdev, dev);
|
||||
+ register_pci_controller(&dev->pci_controller);
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev,
|
||||
+ struct pci_dev *pdev)
|
||||
+{
|
||||
+ struct ssb_gige *dev = ssb_get_drvdata(sdev);
|
||||
+ struct resource *res;
|
||||
+
|
||||
+ if (pdev->bus->ops != &dev->pci_ops) {
|
||||
+ /* The PCI device is not on this SSB GigE bridge device. */
|
||||
+ return -ENODEV;
|
||||
+ }
|
||||
+
|
||||
+ /* Fixup the PCI resources. */
|
||||
+ res = &(pdev->resource[0]);
|
||||
+ res->flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED;
|
||||
+ res->name = dev->mem_resource.name;
|
||||
+ res->start = dev->mem_resource.start;
|
||||
+ res->end = dev->mem_resource.end;
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+int ssb_gige_map_irq(struct ssb_device *sdev,
|
||||
+ const struct pci_dev *pdev)
|
||||
+{
|
||||
+ struct ssb_gige *dev = ssb_get_drvdata(sdev);
|
||||
+
|
||||
+ if (pdev->bus->ops != &dev->pci_ops) {
|
||||
+ /* The PCI device is not on this SSB GigE bridge device. */
|
||||
+ return -ENODEV;
|
||||
+ }
|
||||
+
|
||||
+ return ssb_mips_irq(sdev) + 2;
|
||||
+}
|
||||
+
|
||||
+static struct ssb_driver ssb_gige_driver = {
|
||||
+ .name = "BCM-GigE",
|
||||
+ .id_table = ssb_gige_tbl,
|
||||
+ .probe = ssb_gige_probe,
|
||||
+};
|
||||
+
|
||||
+int ssb_gige_init(void)
|
||||
+{
|
||||
+ return ssb_driver_register(&ssb_gige_driver);
|
||||
+}
|
||||
Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_gige.h
|
||||
===================================================================
|
||||
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
||||
+++ linux-2.6.23.16/include/linux/ssb/ssb_driver_gige.h 2008-02-20 18:32:31.000000000 +0100
|
||||
@@ -0,0 +1,70 @@
|
||||
+#ifndef LINUX_SSB_DRIVER_GIGE_H_
|
||||
+#define LINUX_SSB_DRIVER_GIGE_H_
|
||||
+
|
||||
+#include <linux/pci.h>
|
||||
+#include <linux/spinlock.h>
|
||||
+
|
||||
+#ifdef CONFIG_SSB_DRIVER_GIGE
|
||||
+
|
||||
+#define SSB_GIGE_PCIIO 0x0000 /* PCI I/O Registers (1024 bytes) */
|
||||
+#define SSB_GIGE_RESERVED 0x0400 /* Reserved (1024 bytes) */
|
||||
+#define SSB_GIGE_PCICFG 0x0800 /* PCI config space (256 bytes) */
|
||||
+#define SSB_GIGE_SHIM_FLUSHSTAT 0x0C00 /* PCI to OCP: Flush status control (32bit) */
|
||||
+#define SSB_GIGE_SHIM_FLUSHRDA 0x0C04 /* PCI to OCP: Flush read address (32bit) */
|
||||
+#define SSB_GIGE_SHIM_FLUSHTO 0x0C08 /* PCI to OCP: Flush timeout counter (32bit) */
|
||||
+#define SSB_GIGE_SHIM_BARRIER 0x0C0C /* PCI to OCP: Barrier register (32bit) */
|
||||
+#define SSB_GIGE_SHIM_MAOCPSI 0x0C10 /* PCI to OCP: MaocpSI Control (32bit) */
|
||||
+#define SSB_GIGE_SHIM_SIOCPMA 0x0C14 /* PCI to OCP: SiocpMa Control (32bit) */
|
||||
+
|
||||
+struct ssb_gige {
|
||||
+ struct ssb_device *dev;
|
||||
+
|
||||
+ spinlock_t lock;
|
||||
+
|
||||
+ /* The PCI controller device. */
|
||||
+ struct pci_controller pci_controller;
|
||||
+ struct pci_ops pci_ops;
|
||||
+ struct resource mem_resource;
|
||||
+ struct resource io_resource;
|
||||
+};
|
||||
+
|
||||
+extern int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev,
|
||||
+ struct pci_dev *pdev);
|
||||
+extern int ssb_gige_map_irq(struct ssb_device *sdev,
|
||||
+ const struct pci_dev *pdev);
|
||||
+
|
||||
+/* The GigE driver is not a standalone module, because we don't have support
|
||||
+ * for unregistering the driver. So we could not unload the module anyway. */
|
||||
+extern int ssb_gige_init(void);
|
||||
+static inline void ssb_gige_exit(void)
|
||||
+{
|
||||
+ /* Currently we can not unregister the GigE driver,
|
||||
+ * because we can not unregister the PCI bridge. */
|
||||
+ BUG();
|
||||
+}
|
||||
+
|
||||
+
|
||||
+#else /* CONFIG_SSB_DRIVER_GIGE */
|
||||
+/* Gigabit Ethernet driver disabled */
|
||||
+
|
||||
+
|
||||
+static inline int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev,
|
||||
+ struct pci_dev *pdev)
|
||||
+{
|
||||
+ return -ENOSYS;
|
||||
+}
|
||||
+static inline int ssb_gige_map_irq(struct ssb_device *sdev,
|
||||
+ const struct pci_dev *pdev)
|
||||
+{
|
||||
+ return -ENOSYS;
|
||||
+}
|
||||
+static inline int ssb_gige_init(void)
|
||||
+{
|
||||
+ return 0;
|
||||
+}
|
||||
+static inline void ssb_gige_exit(void)
|
||||
+{
|
||||
+}
|
||||
+
|
||||
+#endif /* CONFIG_SSB_DRIVER_GIGE */
|
||||
+#endif /* LINUX_SSB_DRIVER_GIGE_H_ */
|
||||
Index: linux-2.6.23.16/drivers/ssb/driver_pcicore.c
|
||||
===================================================================
|
||||
--- linux-2.6.23.16.orig/drivers/ssb/driver_pcicore.c 2008-02-20 18:32:01.000000000 +0100
|
||||
+++ linux-2.6.23.16/drivers/ssb/driver_pcicore.c 2008-02-20 18:32:31.000000000 +0100
|
||||
@@ -60,74 +60,6 @@ static DEFINE_SPINLOCK(cfgspace_lock);
|
||||
/* Core to access the external PCI config space. Can only have one. */
|
||||
static struct ssb_pcicore *extpci_core;
|
||||
|
||||
-static u32 ssb_pcicore_pcibus_iobase = 0x100;
|
||||
-static u32 ssb_pcicore_pcibus_membase = SSB_PCI_DMA;
|
||||
-
|
||||
-int pcibios_plat_dev_init(struct pci_dev *d)
|
||||
-{
|
||||
- struct resource *res;
|
||||
- int pos, size;
|
||||
- u32 *base;
|
||||
-
|
||||
- ssb_printk(KERN_INFO "PCI: Fixing up device %s\n",
|
||||
- pci_name(d));
|
||||
-
|
||||
- /* Fix up resource bases */
|
||||
- for (pos = 0; pos < 6; pos++) {
|
||||
- res = &d->resource[pos];
|
||||
- if (res->flags & IORESOURCE_IO)
|
||||
- base = &ssb_pcicore_pcibus_iobase;
|
||||
- else
|
||||
- base = &ssb_pcicore_pcibus_membase;
|
||||
- res->flags |= IORESOURCE_PCI_FIXED;
|
||||
- if (res->end) {
|
||||
- size = res->end - res->start + 1;
|
||||
- if (*base & (size - 1))
|
||||
- *base = (*base + size) & ~(size - 1);
|
||||
- res->start = *base;
|
||||
- res->end = res->start + size - 1;
|
||||
- *base += size;
|
||||
- pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start);
|
||||
- }
|
||||
- /* Fix up PCI bridge BAR0 only */
|
||||
- if (d->bus->number == 0 && PCI_SLOT(d->devfn) == 0)
|
||||
- break;
|
||||
- }
|
||||
- /* Fix up interrupt lines */
|
||||
- d->irq = ssb_mips_irq(extpci_core->dev) + 2;
|
||||
- pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq);
|
||||
-
|
||||
- return 0;
|
||||
-}
|
||||
-
|
||||
-static void __init ssb_fixup_pcibridge(struct pci_dev *dev)
|
||||
-{
|
||||
- u8 lat;
|
||||
-
|
||||
- if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) != 0)
|
||||
- return;
|
||||
-
|
||||
- ssb_printk(KERN_INFO "PCI: Fixing up bridge %s\n", pci_name(dev));
|
||||
-
|
||||
- /* Enable PCI bridge bus mastering and memory space */
|
||||
- pci_set_master(dev);
|
||||
- pcibios_enable_device(dev, ~0);
|
||||
-
|
||||
- /* Enable PCI bridge BAR1 prefetch and burst */
|
||||
- pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3);
|
||||
-
|
||||
- /* Make sure our latency is high enough to handle the devices behind us */
|
||||
- lat = 168;
|
||||
- ssb_printk(KERN_INFO "PCI: Fixing latency timer of device %s to %u\n",
|
||||
- pci_name(dev), lat);
|
||||
- pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
|
||||
-}
|
||||
-DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge);
|
||||
-
|
||||
-int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
|
||||
-{
|
||||
- return ssb_mips_irq(extpci_core->dev) + 2;
|
||||
-}
|
||||
|
||||
static u32 get_cfgspace_addr(struct ssb_pcicore *pc,
|
||||
unsigned int bus, unsigned int dev,
|
||||
@@ -317,6 +249,92 @@ static struct pci_controller ssb_pcicore
|
||||
.mem_offset = 0x24000000,
|
||||
};
|
||||
|
||||
+static u32 ssb_pcicore_pcibus_iobase = 0x100;
|
||||
+static u32 ssb_pcicore_pcibus_membase = SSB_PCI_DMA;
|
||||
+
|
||||
+/* This function is called when doing a pci_enable_device().
|
||||
+ * We must first check if the device is a device on the PCI-core bridge. */
|
||||
+int ssb_pcicore_plat_dev_init(struct pci_dev *d)
|
||||
+{
|
||||
+ struct resource *res;
|
||||
+ int pos, size;
|
||||
+ u32 *base;
|
||||
+
|
||||
+ if (d->bus->ops != &ssb_pcicore_pciops) {
|
||||
+ /* This is not a device on the PCI-core bridge. */
|
||||
+ return -ENODEV;
|
||||
+ }
|
||||
+
|
||||
+ ssb_printk(KERN_INFO "PCI: Fixing up device %s\n",
|
||||
+ pci_name(d));
|
||||
+
|
||||
+ /* Fix up resource bases */
|
||||
+ for (pos = 0; pos < 6; pos++) {
|
||||
+ res = &d->resource[pos];
|
||||
+ if (res->flags & IORESOURCE_IO)
|
||||
+ base = &ssb_pcicore_pcibus_iobase;
|
||||
+ else
|
||||
+ base = &ssb_pcicore_pcibus_membase;
|
||||
+ res->flags |= IORESOURCE_PCI_FIXED;
|
||||
+ if (res->end) {
|
||||
+ size = res->end - res->start + 1;
|
||||
+ if (*base & (size - 1))
|
||||
+ *base = (*base + size) & ~(size - 1);
|
||||
+ res->start = *base;
|
||||
+ res->end = res->start + size - 1;
|
||||
+ *base += size;
|
||||
+ pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start);
|
||||
+ }
|
||||
+ /* Fix up PCI bridge BAR0 only */
|
||||
+ if (d->bus->number == 0 && PCI_SLOT(d->devfn) == 0)
|
||||
+ break;
|
||||
+ }
|
||||
+ /* Fix up interrupt lines */
|
||||
+ d->irq = ssb_mips_irq(extpci_core->dev) + 2;
|
||||
+ pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq);
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+/* Early PCI fixup for a device on the PCI-core bridge. */
|
||||
+static void ssb_pcicore_fixup_pcibridge(struct pci_dev *dev)
|
||||
+{
|
||||
+ u8 lat;
|
||||
+
|
||||
+ if (dev->bus->ops != &ssb_pcicore_pciops) {
|
||||
+ /* This is not a device on the PCI-core bridge. */
|
||||
+ return;
|
||||
+ }
|
||||
+ if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) != 0)
|
||||
+ return;
|
||||
+
|
||||
+ ssb_printk(KERN_INFO "PCI: Fixing up bridge %s\n", pci_name(dev));
|
||||
+
|
||||
+ /* Enable PCI bridge bus mastering and memory space */
|
||||
+ pci_set_master(dev);
|
||||
+ pcibios_enable_device(dev, ~0);
|
||||
+
|
||||
+ /* Enable PCI bridge BAR1 prefetch and burst */
|
||||
+ pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3);
|
||||
+
|
||||
+ /* Make sure our latency is high enough to handle the devices behind us */
|
||||
+ lat = 168;
|
||||
+ ssb_printk(KERN_INFO "PCI: Fixing latency timer of device %s to %u\n",
|
||||
+ pci_name(dev), lat);
|
||||
+ pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
|
||||
+}
|
||||
+DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_pcicore_fixup_pcibridge);
|
||||
+
|
||||
+/* PCI device IRQ mapping. */
|
||||
+int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
|
||||
+{
|
||||
+ if (dev->bus->ops != &ssb_pcicore_pciops) {
|
||||
+ /* This is not a device on the PCI-core bridge. */
|
||||
+ return -ENODEV;
|
||||
+ }
|
||||
+ return ssb_mips_irq(extpci_core->dev) + 2;
|
||||
+}
|
||||
+
|
||||
static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
|
||||
{
|
||||
u32 val;
|
||||
Index: linux-2.6.23.16/drivers/ssb/embedded.c
|
||||
===================================================================
|
||||
--- linux-2.6.23.16.orig/drivers/ssb/embedded.c 2008-02-20 18:32:01.000000000 +0100
|
||||
+++ linux-2.6.23.16/drivers/ssb/embedded.c 2008-02-20 18:32:31.000000000 +0100
|
||||
@@ -10,6 +10,9 @@
|
||||
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <linux/ssb/ssb_embedded.h>
|
||||
+#include <linux/ssb/ssb_driver_pci.h>
|
||||
+#include <linux/ssb/ssb_driver_gige.h>
|
||||
+#include <linux/pci.h>
|
||||
|
||||
#include "ssb_private.h"
|
||||
|
||||
@@ -130,3 +133,90 @@ u32 ssb_gpio_polarity(struct ssb_bus *bu
|
||||
return res;
|
||||
}
|
||||
EXPORT_SYMBOL(ssb_gpio_polarity);
|
||||
+
|
||||
+#ifdef CONFIG_SSB_DRIVER_GIGE
|
||||
+static int gige_pci_init_callback(struct ssb_bus *bus, unsigned long data)
|
||||
+{
|
||||
+ struct pci_dev *pdev = (struct pci_dev *)data;
|
||||
+ struct ssb_device *dev;
|
||||
+ unsigned int i;
|
||||
+ int res;
|
||||
+
|
||||
+ for (i = 0; i < bus->nr_devices; i++) {
|
||||
+ dev = &(bus->devices[i]);
|
||||
+ if (dev->id.coreid != SSB_DEV_ETHERNET_GBIT)
|
||||
+ continue;
|
||||
+ if (!dev->dev ||
|
||||
+ !dev->dev->driver ||
|
||||
+ !device_is_registered(dev->dev))
|
||||
+ continue;
|
||||
+ res = ssb_gige_pcibios_plat_dev_init(dev, pdev);
|
||||
+ if (res >= 0)
|
||||
+ return res;
|
||||
+ }
|
||||
+
|
||||
+ return -ENODEV;
|
||||
+}
|
||||
+#endif /* CONFIG_SSB_DRIVER_GIGE */
|
||||
+
|
||||
+int ssb_pcibios_plat_dev_init(struct pci_dev *dev)
|
||||
+{
|
||||
+ int err;
|
||||
+
|
||||
+ err = ssb_pcicore_plat_dev_init(dev);
|
||||
+ if (!err)
|
||||
+ return 0;
|
||||
+#ifdef CONFIG_SSB_DRIVER_GIGE
|
||||
+ err = ssb_for_each_bus_call((unsigned long)dev, gige_pci_init_callback);
|
||||
+ if (err >= 0)
|
||||
+ return err;
|
||||
+#endif
|
||||
+ /* This is not a PCI device on any SSB device. */
|
||||
+
|
||||
+ return -ENODEV;
|
||||
+}
|
||||
+
|
||||
+#ifdef CONFIG_SSB_DRIVER_GIGE
|
||||
+static int gige_map_irq_callback(struct ssb_bus *bus, unsigned long data)
|
||||
+{
|
||||
+ const struct pci_dev *pdev = (const struct pci_dev *)data;
|
||||
+ struct ssb_device *dev;
|
||||
+ unsigned int i;
|
||||
+ int res;
|
||||
+
|
||||
+ for (i = 0; i < bus->nr_devices; i++) {
|
||||
+ dev = &(bus->devices[i]);
|
||||
+ if (dev->id.coreid != SSB_DEV_ETHERNET_GBIT)
|
||||
+ continue;
|
||||
+ if (!dev->dev ||
|
||||
+ !dev->dev->driver ||
|
||||
+ !device_is_registered(dev->dev))
|
||||
+ continue;
|
||||
+ res = ssb_gige_map_irq(dev, pdev);
|
||||
+ if (res >= 0)
|
||||
+ return res;
|
||||
+ }
|
||||
+
|
||||
+ return -ENODEV;
|
||||
+}
|
||||
+#endif /* CONFIG_SSB_DRIVER_GIGE */
|
||||
+
|
||||
+int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
|
||||
+{
|
||||
+ int res;
|
||||
+
|
||||
+ /* Check if this PCI device is a device on a SSB bus or device
|
||||
+ * and return the IRQ number for it. */
|
||||
+
|
||||
+ res = ssb_pcicore_pcibios_map_irq(dev, slot, pin);
|
||||
+ if (res >= 0)
|
||||
+ return res;
|
||||
+#ifdef CONFIG_SSB_DRIVER_GIGE
|
||||
+ res = ssb_for_each_bus_call((unsigned long)dev, gige_map_irq_callback);
|
||||
+ if (res >= 0)
|
||||
+ return res;
|
||||
+#endif
|
||||
+ /* This is not a PCI device on any SSB device. */
|
||||
+
|
||||
+ return -ENODEV;
|
||||
+}
|
||||
Index: linux-2.6.23.16/include/linux/ssb/ssb.h
|
||||
===================================================================
|
||||
--- linux-2.6.23.16.orig/include/linux/ssb/ssb.h 2008-02-20 18:32:01.000000000 +0100
|
||||
+++ linux-2.6.23.16/include/linux/ssb/ssb.h 2008-02-20 18:32:31.000000000 +0100
|
||||
@@ -422,5 +422,12 @@ extern int ssb_bus_powerup(struct ssb_bu
|
||||
extern u32 ssb_admatch_base(u32 adm);
|
||||
extern u32 ssb_admatch_size(u32 adm);
|
||||
|
||||
+/* PCI device mapping and fixup routines.
|
||||
+ * Called from the architecture pcibios init code.
|
||||
+ * These are only available on SSB_EMBEDDED configurations. */
|
||||
+#ifdef CONFIG_SSB_EMBEDDED
|
||||
+int ssb_pcibios_plat_dev_init(struct pci_dev *dev);
|
||||
+int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
|
||||
+#endif /* CONFIG_SSB_EMBEDDED */
|
||||
|
||||
#endif /* LINUX_SSB_H_ */
|
||||
Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_pci.h
|
||||
===================================================================
|
||||
--- linux-2.6.23.16.orig/include/linux/ssb/ssb_driver_pci.h 2008-02-20 18:32:01.000000000 +0100
|
||||
+++ linux-2.6.23.16/include/linux/ssb/ssb_driver_pci.h 2008-02-20 18:32:31.000000000 +0100
|
||||
@@ -1,6 +1,11 @@
|
||||
#ifndef LINUX_SSB_PCICORE_H_
|
||||
#define LINUX_SSB_PCICORE_H_
|
||||
|
||||
+#include <linux/types.h>
|
||||
+
|
||||
+struct pci_dev;
|
||||
+
|
||||
+
|
||||
#ifdef CONFIG_SSB_DRIVER_PCICORE
|
||||
|
||||
/* PCI core registers. */
|
||||
@@ -88,6 +93,9 @@ extern void ssb_pcicore_init(struct ssb_
|
||||
extern int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
|
||||
struct ssb_device *dev);
|
||||
|
||||
+int ssb_pcicore_plat_dev_init(struct pci_dev *d);
|
||||
+int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
|
||||
+
|
||||
|
||||
#else /* CONFIG_SSB_DRIVER_PCICORE */
|
||||
|
||||
@@ -107,5 +115,16 @@ int ssb_pcicore_dev_irqvecs_enable(struc
|
||||
return 0;
|
||||
}
|
||||
|
||||
+static inline
|
||||
+int ssb_pcicore_plat_dev_init(struct pci_dev *d)
|
||||
+{
|
||||
+ return -ENODEV;
|
||||
+}
|
||||
+static inline
|
||||
+int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
|
||||
+{
|
||||
+ return -ENODEV;
|
||||
+}
|
||||
+
|
||||
#endif /* CONFIG_SSB_DRIVER_PCICORE */
|
||||
#endif /* LINUX_SSB_PCICORE_H_ */
|
||||
Index: linux-2.6.23.16/drivers/ssb/main.c
|
||||
===================================================================
|
||||
--- linux-2.6.23.16.orig/drivers/ssb/main.c 2008-02-20 18:32:01.000000000 +0100
|
||||
+++ linux-2.6.23.16/drivers/ssb/main.c 2008-02-20 18:32:31.000000000 +0100
|
||||
@@ -14,6 +14,7 @@
|
||||
#include <linux/io.h>
|
||||
#include <linux/ssb/ssb.h>
|
||||
#include <linux/ssb/ssb_regs.h>
|
||||
+#include <linux/ssb/ssb_driver_gige.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/pci.h>
|
||||
|
||||
@@ -68,6 +69,25 @@ found:
|
||||
}
|
||||
#endif /* CONFIG_SSB_PCIHOST */
|
||||
|
||||
+int ssb_for_each_bus_call(unsigned long data,
|
||||
+ int (*func)(struct ssb_bus *bus, unsigned long data))
|
||||
+{
|
||||
+ struct ssb_bus *bus;
|
||||
+ int res;
|
||||
+
|
||||
+ ssb_buses_lock();
|
||||
+ list_for_each_entry(bus, &buses, list) {
|
||||
+ res = func(bus, data);
|
||||
+ if (res >= 0) {
|
||||
+ ssb_buses_unlock();
|
||||
+ return res;
|
||||
+ }
|
||||
+ }
|
||||
+ ssb_buses_unlock();
|
||||
+
|
||||
+ return -ENODEV;
|
||||
+}
|
||||
+
|
||||
static struct ssb_device *ssb_device_get(struct ssb_device *dev)
|
||||
{
|
||||
if (dev)
|
||||
@@ -1175,7 +1195,14 @@ static int __init ssb_modinit(void)
|
||||
err = b43_pci_ssb_bridge_init();
|
||||
if (err) {
|
||||
ssb_printk(KERN_ERR "Broadcom 43xx PCI-SSB-bridge "
|
||||
- "initialization failed");
|
||||
+ "initialization failed\n");
|
||||
+ /* don't fail SSB init because of this */
|
||||
+ err = 0;
|
||||
+ }
|
||||
+ err = ssb_gige_init();
|
||||
+ if (err) {
|
||||
+ ssb_printk(KERN_ERR "SSB Broadcom Gigabit Ethernet "
|
||||
+ "driver initialization failed\n");
|
||||
/* don't fail SSB init because of this */
|
||||
err = 0;
|
||||
}
|
||||
@@ -1189,6 +1216,7 @@ fs_initcall(ssb_modinit);
|
||||
|
||||
static void __exit ssb_modexit(void)
|
||||
{
|
||||
+ ssb_gige_exit();
|
||||
b43_pci_ssb_bridge_exit();
|
||||
bus_unregister(&ssb_bustype);
|
||||
}
|
||||
Index: linux-2.6.23.16/drivers/ssb/ssb_private.h
|
||||
===================================================================
|
||||
--- linux-2.6.23.16.orig/drivers/ssb/ssb_private.h 2008-02-20 18:32:01.000000000 +0100
|
||||
+++ linux-2.6.23.16/drivers/ssb/ssb_private.h 2008-02-20 18:32:31.000000000 +0100
|
||||
@@ -118,6 +118,8 @@ extern u32 ssb_calc_clock_rate(u32 pllty
|
||||
extern int ssb_devices_freeze(struct ssb_bus *bus);
|
||||
extern int ssb_devices_thaw(struct ssb_bus *bus);
|
||||
extern struct ssb_bus *ssb_pci_dev_to_bus(struct pci_dev *pdev);
|
||||
+int ssb_for_each_bus_call(unsigned long data,
|
||||
+ int (*func)(struct ssb_bus *bus, unsigned long data));
|
||||
|
||||
/* b43_pci_bridge.c */
|
||||
#ifdef CONFIG_SSB_PCIHOST
|
||||
Loading…
Reference in a new issue