179 lines
4.7 KiB
Diff
179 lines
4.7 KiB
Diff
--- a/arch/arm/mach-cns21xx/Kconfig
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+++ b/arch/arm/mach-cns21xx/Kconfig
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@@ -3,6 +3,9 @@ if ARCH_CNS21XX
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menu "Cavium Networks CNS21xx based machines"
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endmenu
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+config CNS21XX_DEV_GEC
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+ def_bool n
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+
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config CNS21XX_DEV_USB
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def_bool n
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--- a/arch/arm/mach-cns21xx/Makefile
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+++ b/arch/arm/mach-cns21xx/Makefile
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@@ -7,6 +7,7 @@
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obj-y := core.o devices.o gpio.o irq.o mm.o time.o
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# devices
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+obj-$(CONFIG_CNS21XX_DEV_GEC) += dev-gec.o
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obj-$(CONFIG_CNS21XX_DEV_USB) += dev-usb.o
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obj-$(CONFIG_CNS21XX_DEV_SPI_MASTER) += dev-spi-master.o
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--- /dev/null
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+++ b/arch/arm/mach-cns21xx/dev-gec.c
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@@ -0,0 +1,98 @@
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+/*
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+ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
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+ *
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+ * This file is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License, Version 2, as
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+ * published by the Free Software Foundation.
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+ */
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+
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+#include <linux/init.h>
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+#include <linux/dma-mapping.h>
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+#include <linux/platform_device.h>
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+#include <linux/etherdevice.h>
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+
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+#include <asm/sizes.h>
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+#include <mach/cns21xx.h>
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+#include <mach/irqs.h>
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+
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+#include "dev-gec.h"
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+
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+static u8 cns21xx_ethaddr[ETH_ALEN];
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+struct cns21xx_gec_plat_data cns21xx_gec_data;
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+
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+static struct resource cns21xx_gec_resources[] = {
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+ {
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+ .start = CNS21XX_NIC_BASE,
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+ .end = CNS21XX_NIC_BASE + SZ_4K - 1,
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+ .flags = IORESOURCE_MEM,
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+ }, {
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+ .name = CNS21XX_GEC_STATUS_IRQ_NAME,
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+ .start = CNS21XX_IRQ_NIC_STATUS,
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+ .end = CNS21XX_IRQ_NIC_STATUS,
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+ .flags = IORESOURCE_IRQ,
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+ }, {
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+ .name = CNS21XX_GEC_RXRC_IRQ_NAME,
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+ .start = CNS21XX_IRQ_NIC_RXRC,
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+ .end = CNS21XX_IRQ_NIC_RXRC,
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+ .flags = IORESOURCE_IRQ,
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+ }, {
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+ .name = CNS21XX_GEC_RXQF_IRQ_NAME,
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+ .start = CNS21XX_IRQ_NIC_RXQF,
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+ .end = CNS21XX_IRQ_NIC_RXQF,
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+ .flags = IORESOURCE_IRQ,
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+ }, {
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+ .name = CNS21XX_GEC_TXTC_IRQ_NAME,
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+ .start = CNS21XX_IRQ_NIC_TXTC,
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+ .end = CNS21XX_IRQ_NIC_TXTC,
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+ .flags = IORESOURCE_IRQ,
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+ }, {
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+ .name = CNS21XX_GEC_TXQE_IRQ_NAME,
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+ .start = CNS21XX_IRQ_NIC_TXQE,
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+ .end = CNS21XX_IRQ_NIC_TXQE,
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+ .flags = IORESOURCE_IRQ,
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+ }
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+};
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+
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+static u64 cns21xx_gec_dmamask = DMA_BIT_MASK(32);
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+static struct platform_device cns21xx_gec_device = {
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+ .name = "cns21xx-gec",
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+ .id = -1,
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+ .resource = cns21xx_gec_resources,
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+ .num_resources = ARRAY_SIZE(cns21xx_gec_resources),
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+ .dev = {
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+ .dma_mask = &cns21xx_gec_dmamask,
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+ .coherent_dma_mask = DMA_BIT_MASK(32),
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+ .platform_data = &cns21xx_gec_data,
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+ },
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+};
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+
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+static int __init cns21xx_ethaddr_setup(char *str)
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+{
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+ int t;
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+
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+ t = sscanf(str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
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+ &cns21xx_ethaddr[0], &cns21xx_ethaddr[1],
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+ &cns21xx_ethaddr[2], &cns21xx_ethaddr[3],
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+ &cns21xx_ethaddr[4], &cns21xx_ethaddr[5]);
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+
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+ if (t != ETH_ALEN)
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+ pr_err("cns21xx: failed to parse mac address \"%s\"\n", str);
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+
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+ return 1;
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+}
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+
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+__setup("ethaddr=", cns21xx_ethaddr_setup);
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+
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+__init int cns21xx_register_gec(void)
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+{
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+ if (cns21xx_gec_data.mac_addr == NULL)
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+ cns21xx_gec_data.mac_addr = cns21xx_ethaddr;
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+
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+ if (!is_valid_ether_addr(cns21xx_gec_data.mac_addr)) {
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+ random_ether_addr(cns21xx_gec_data.mac_addr);
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+ pr_debug("cns21xx: using random MAC address \"%s\"\n",
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+ cns21xx_gec_data.mac_addr);
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+ }
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+
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+ return platform_device_register(&cns21xx_gec_device);
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+}
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--- /dev/null
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+++ b/arch/arm/mach-cns21xx/dev-gec.h
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@@ -0,0 +1,18 @@
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+/*
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+ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
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+ *
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+ * This file is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License, Version 2, as
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+ * published by the Free Software Foundation.
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+ */
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+
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+#ifndef _CNS21XX_DEV_GEC_H
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+#define _CNS21XX_DEV_GEC_H
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+
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+#include <mach/cns21xx_gec_platform.h>
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+
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+extern struct cns21xx_gec_plat_data cns21xx_gec_data;
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+
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+__init int cns21xx_register_gec(void);
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+
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+#endif /* _CNS21XX_DEV_GEC_H */
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--- /dev/null
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+++ b/arch/arm/mach-cns21xx/include/mach/cns21xx_gec_platform.h
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@@ -0,0 +1,31 @@
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+/*
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+ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
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+ *
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+ * This file is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License, Version 2, as
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+ * published by the Free Software Foundation.
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+ */
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+
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+#ifndef _CNS21XX_GEC_PLATFORM_H
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+#define _CNS21XX_GEC_PLATFORM_H
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+
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+#define CNS21XX_GEC_STATUS_IRQ_NAME "status"
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+#define CNS21XX_GEC_RXRC_IRQ_NAME "rxrc"
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+#define CNS21XX_GEC_RXQF_IRQ_NAME "rxqf"
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+#define CNS21XX_GEC_TXTC_IRQ_NAME "txtc"
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+#define CNS21XX_GEC_TXQE_IRQ_NAME "txqe"
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+
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+enum cns21xx_gec_phy_type {
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+ CNS21XX_GEC_PHY_TYPE_INTERNAL = 0,
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+ CNS21XX_GEC_PHY_TYPE_VSC8601,
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+ CNS21XX_GEC_PHY_TYPE_IP101A,
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+ CNS21XX_GEC_PHY_TYPE_IP1001,
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+};
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+
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+struct cns21xx_gec_plat_data {
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+ u8 *mac_addr;
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+ enum cns21xx_gec_phy_type phy_type;
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+ u8 phy_addr;
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+};
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+
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+#endif /* _CNS21XX_GEC_PLATFORM_H */
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