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157 lines
4.3 KiB
Diff
157 lines
4.3 KiB
Diff
bcma: add arm support
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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---
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drivers/bcma/Kconfig | 9 +++++
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drivers/bcma/Makefile | 1 +
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drivers/bcma/driver_arm.c | 61 ++++++++++++++++++++++++++++++++++
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drivers/bcma/main.c | 7 ++++
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include/linux/bcma/bcma.h | 2 ++
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include/linux/bcma/bcma_driver_arm.h | 20 +++++++++++
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6 files changed, 100 insertions(+)
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create mode 100644 drivers/bcma/driver_arm.c
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create mode 100644 include/linux/bcma/bcma_driver_arm.h
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--- a/drivers/bcma/Kconfig
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+++ b/drivers/bcma/Kconfig
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@@ -54,6 +54,15 @@ config BCMA_DRIVER_MIPS
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If unsure, say N
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+config BCMA_DRIVER_ARM
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+ bool "BCMA Broadcom ARM core driver"
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+ depends on BCMA && ARM
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+ help
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+ Driver for the Broadcom MIPS core attached to Broadcom specific
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+ Advanced Microcontroller Bus.
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+
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+ If unsure, say N
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+
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config BCMA_SFLASH
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bool
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depends on BCMA_DRIVER_MIPS
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--- a/drivers/bcma/Makefile
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+++ b/drivers/bcma/Makefile
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@@ -5,6 +5,7 @@ bcma-$(CONFIG_BCMA_NFLASH) += driver_ch
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bcma-y += driver_pci.o
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bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
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bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o
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+bcma-$(CONFIG_BCMA_DRIVER_ARM) += driver_arm.o
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bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN) += driver_gmac_cmn.o
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bcma-$(CONFIG_BCMA_DRIVER_GPIO) += driver_gpio.o
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bcma-$(CONFIG_BCMA_HOST_PCI) += host_pci.o
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--- /dev/null
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+++ b/drivers/bcma/driver_arm.c
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@@ -0,0 +1,53 @@
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+/*
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+ * Broadcom specific AMBA
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+ * Broadcom MIPS32 74K core driver
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+ *
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+ * Copyright 2009, Broadcom Corporation
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+ * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
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+ * Copyright 2010, Bernhard Loos <bernhardloos@googlemail.com>
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+ * Copyright 2011, Hauke Mehrtens <hauke@hauke-m.de>
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+ *
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+ * Licensed under the GNU/GPL. See COPYING for details.
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+ */
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+
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+#include "bcma_private.h"
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+
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+#include <linux/bcma/bcma.h>
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+
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+static void bcma_core_mips_set_irq_name(struct bcma_bus *bus, unsigned int irq,
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+ u16 coreid, u8 unit)
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+{
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+ struct bcma_device *core;
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+
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+ core = bcma_find_core_unit(bus, coreid, unit);
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+ if (!core) {
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+ bcma_warn(bus,
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+ "Can not find core (id: 0x%x, unit %i) for IRQ configuration.\n",
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+ coreid, unit);
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+ return;
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+ }
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+ core->irq = irq;
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+}
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+
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+void bcma_core_arm_init(struct bcma_drv_arm *acore)
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+{
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+ struct bcma_bus *bus;
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+ struct bcma_device *core;
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+ bus = acore->core->bus;
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+
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+ if (acore->setup_done)
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+ return;
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+
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+ bcma_core_mips_set_irq_name(bus, 111, BCMA_CORE_USB20, 0);
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+
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+ bcma_core_mips_set_irq_name(bus, 179, BCMA_CORE_MAC_GBIT, 0);
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+ bcma_core_mips_set_irq_name(bus, 180, BCMA_CORE_MAC_GBIT, 1);
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+ bcma_core_mips_set_irq_name(bus, 181, BCMA_CORE_MAC_GBIT, 2);
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+ bcma_core_mips_set_irq_name(bus, 182, BCMA_CORE_MAC_GBIT, 3);
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+
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+ bcma_core_mips_set_irq_name(bus, 112, BCMA_CORE_USB30, 0);
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+ bcma_debug(bus, "IRQ reconfiguration done\n");
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+
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+
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+ acore->setup_done = true;
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+}
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--- a/drivers/bcma/main.c
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+++ b/drivers/bcma/main.c
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@@ -269,6 +269,13 @@ int bcma_bus_register(struct bcma_bus *b
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bcma_core_mips_init(&bus->drv_mips);
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}
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+ /* Init ARM core */
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+ core = bcma_find_core(bus, BCMA_CORE_ARMCA9);
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+ if (core) {
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+ bus->drv_arm.core = core;
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+ bcma_core_arm_init(&bus->drv_arm);
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+ }
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+
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/* Init PCIE core */
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core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0);
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if (core) {
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--- a/include/linux/bcma/bcma.h
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+++ b/include/linux/bcma/bcma.h
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@@ -7,6 +7,7 @@
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#include <linux/bcma/bcma_driver_chipcommon.h>
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#include <linux/bcma/bcma_driver_pci.h>
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#include <linux/bcma/bcma_driver_mips.h>
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+#include <linux/bcma/bcma_driver_arm.h>
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#include <linux/bcma/bcma_driver_gmac_cmn.h>
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#include <linux/ssb/ssb.h> /* SPROM sharing */
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@@ -334,6 +335,7 @@ struct bcma_bus {
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struct bcma_drv_cc drv_cc;
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struct bcma_drv_pci drv_pci[2];
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struct bcma_drv_mips drv_mips;
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+ struct bcma_drv_arm drv_arm;
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struct bcma_drv_gmac_cmn drv_gmac_cmn;
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/* We decided to share SPROM struct with SSB as long as we do not need
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--- /dev/null
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+++ b/include/linux/bcma/bcma_driver_arm.h
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@@ -0,0 +1,20 @@
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+#ifndef LINUX_BCMA_DRIVER_ARM_H_
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+#define LINUX_BCMA_DRIVER_ARM_H_
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+
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+struct bcma_device;
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+
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+struct bcma_drv_arm {
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+ struct bcma_device *core;
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+ u8 setup_done:1;
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+ u8 early_setup_done:1;
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+};
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+
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+#ifdef CONFIG_BCMA_DRIVER_ARM
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+extern void bcma_core_arm_init(struct bcma_drv_arm *acore);
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+
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+#else
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+static inline void bcma_core_arm_init(struct bcma_drv_arm *acore) { }
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+
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+#endif
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+
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+#endif /* LINUX_BCMA_DRIVER_ARM_H_ */
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