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[PATCH 2/7] MIPS: bcm63xx: register integrated EHCI controller device.

To: linux-mips@linux-mips.org, ralf@linux-mips.org
Subject: [PATCH 2/7] MIPS: bcm63xx: register integrated EHCI controller device.
From: Maxime Bizon <mbizon@freebox.fr>
Date: Sat, 30 Jan 2010 18:34:53 +0100
Cc: Maxime Bizon <mbizon@freebox.fr>
In-reply-to: <1264872898-28149-1-git-send-email-mbizon@freebox.fr>
References: <1264872898-28149-1-git-send-email-mbizon@freebox.fr>
Sender: linux-mips-bounce@linux-mips.org
The bcm63xx SOC has an integrated EHCI controller, this patch adds
platform device registration and change board code to register
EHCI device when necessary.

Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
---
 arch/mips/bcm63xx/Kconfig                          |    2 +
 arch/mips/bcm63xx/Makefile                         |    2 +-
 arch/mips/bcm63xx/boards/board_bcm963xx.c          |    4 ++
 arch/mips/bcm63xx/dev-usb-ehci.c                   |   49 ++++++++++++++++++++
 .../asm/mach-bcm63xx/bcm63xx_dev_usb_ehci.h        |    6 ++
 5 files changed, 62 insertions(+), 1 deletions(-)
 create mode 100644 arch/mips/bcm63xx/dev-usb-ehci.c
 create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_ehci.h

diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig
index 76fbbf7..4aa21e8 100644
--- a/arch/mips/bcm63xx/Kconfig
+++ b/arch/mips/bcm63xx/Kconfig
@@ -26,6 +26,8 @@ config BCM63XX_CPU_6358
        select USB_ARCH_HAS_OHCI
        select USB_OHCI_BIG_ENDIAN_DESC
        select USB_OHCI_BIG_ENDIAN_MMIO
+       select USB_ARCH_HAS_EHCI
+       select USB_EHCI_BIG_ENDIAN_MMIO
 endmenu
 
 source "arch/mips/bcm63xx/boards/Kconfig"
diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile
index be5d7ad..6e229c2 100644
--- a/arch/mips/bcm63xx/Makefile
+++ b/arch/mips/bcm63xx/Makefile
@@ -1,6 +1,6 @@
 obj-y          += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
                   dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o \
-                  dev-usb-ohci.o
+                  dev-usb-ohci.o dev-usb-ehci.o
 obj-$(CONFIG_EARLY_PRINTK)     += early_printk.o
 
 obj-y          += boards/
diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c 
b/arch/mips/bcm63xx/boards/board_bcm963xx.c
index e2c0c36..b0d3db3 100644
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -25,6 +25,7 @@
 #include <bcm63xx_dev_dsp.h>
 #include <bcm63xx_dev_pcmcia.h>
 #include <bcm63xx_dev_usb_ohci.h>
+#include <bcm63xx_dev_usb_ehci.h>
 #include <board_bcm963xx.h>
 
 #define PFX    "board_bcm963xx: "
@@ -804,6 +805,9 @@ int __init board_register_devices(void)
            !board_get_mac_address(board.enet1.mac_addr))
                bcm63xx_enet_register(1, &board.enet1);
 
+       if (board.has_ehci0)
+               bcm63xx_ehci_register();
+
        if (board.has_ohci0)
                bcm63xx_ohci_register();
 
diff --git a/arch/mips/bcm63xx/dev-usb-ehci.c b/arch/mips/bcm63xx/dev-usb-ehci.c
new file mode 100644
index 0000000..4bdd675
--- /dev/null
+++ b/arch/mips/bcm63xx/dev-usb-ehci.c
@@ -0,0 +1,49 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2010 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_dev_usb_ehci.h>
+
+static struct resource ehci_resources[] = {
+       {
+               /* start & end filled at runtime */
+               .flags          = IORESOURCE_MEM,
+       },
+       {
+               /* start filled at runtime */
+               .flags          = IORESOURCE_IRQ,
+       },
+};
+
+static u64 ehci_dmamask = ~(u32)0;
+
+static struct platform_device bcm63xx_ehci_device = {
+       .name           = "bcm63xx_ehci",
+       .id             = 0,
+       .num_resources  = ARRAY_SIZE(ehci_resources),
+       .resource       = ehci_resources,
+       .dev            = {
+               .dma_mask               = &ehci_dmamask,
+               .coherent_dma_mask      = 0xffffffff,
+       },
+};
+
+int __init bcm63xx_ehci_register(void)
+{
+       if (!BCMCPU_IS_6358())
+               return 0;
+
+       ehci_resources[0].start = bcm63xx_regset_address(RSET_EHCI0);
+       ehci_resources[0].end = ehci_resources[0].start;
+       ehci_resources[0].end += RSET_EHCI_SIZE - 1;
+       ehci_resources[1].start = bcm63xx_get_irq_number(IRQ_EHCI0);
+       return platform_device_register(&bcm63xx_ehci_device);
+}
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_ehci.h 
b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_ehci.h
new file mode 100644
index 0000000..17fb519
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_ehci.h
@@ -0,0 +1,6 @@
+#ifndef BCM63XX_DEV_USB_EHCI_H_
+#define BCM63XX_DEV_USB_EHCI_H_
+
+int bcm63xx_ehci_register(void);
+
+#endif /* BCM63XX_DEV_USB_EHCI_H_ */
-- 
1.6.3.3


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