ENGR00123078-1 MX28: Add L2 Switch resources definition

L2 Switch resources definition for MX28

Signed-off-by: Niu Xule <b23300@freescale.com>

arch/arm/mach-mx28/device.c

@@ -44,6 +44,7 @@
 
 #include "regs-digctl.h"
 #include "device.h"
+#include "mx28evk.h"
 #include "mx28_pins.h"
 
 #if defined(CONFIG_SERIAL_MXS_DUART) || \
@@ -787,6 +788,58 @@ static void __init mx28_init_fec(void)
 	;
 }
 #endif
+
+#if defined(CONFIG_FEC_L2SWITCH)
+static struct resource l2switch_resources[] = {
+	{
+		.start  = ENET_PHYS_ADDR,
+		.end    = ENET_PHYS_ADDR + 0x17FFC,
+		.flags  = IORESOURCE_MEM
+	},
+	{
+		.start  = IRQ_ENET_SWI,
+		.end    = IRQ_ENET_SWI,
+		.flags  = IORESOURCE_IRQ
+	},
+};
+
+/* Define the fixed address of the L2 Switch hardware. */
+static unsigned int switch_platform_hw[2] = {
+	(0x800F8000),
+	(0x800FC000),
+};
+
+static struct fec_platform_data fec_enet = {
+	.phy = PHY_INTERFACE_MODE_RMII,
+	.init = mx28evk_enet_gpio_init,
+};
+
+static struct switch_platform_data l2switch_data = {
+	.id 		= 0,
+	.fec_enet	= &fec_enet,
+	.hash_table	= 0,
+	.switch_hw	= switch_platform_hw,
+};
+
+static void __init mx28_init_l2switch(void)
+{
+	struct platform_device *pdev;
+	pdev = mxs_get_device("mxs-l2switch", 0);
+	if (pdev == NULL || IS_ERR(pdev))
+		return;
+
+	pdev->resource = l2switch_resources;
+	pdev->num_resources = ARRAY_SIZE(l2switch_resources);
+	pdev->dev.platform_data = &l2switch_data;
+	mxs_add_device(pdev, 2);
+}
+#else
+static void __init mx28_init_l2switch(void)
+{
+	;
+}
+#endif
+
 #ifdef CONFIG_MXS_LRADC
 struct mxs_lradc_plat_data mx28_lradc_data = {
 	.vddio_voltage = BV_LRADC_CTRL4_LRADC6SELECT__CHANNEL10,
@@ -1266,6 +1319,7 @@ int __init mx28_device_init(void)
 	mx28_init_wdt();
 	mx28_init_rtc();
 	mx28_init_fec();
+	mx28_init_l2switch();
 	mx28_init_flexcan();
 	mx28_init_kbd();
 	mx28_init_ts();

arch/arm/mach-mx28/mx28evk.h

@@ -20,4 +20,6 @@
 #define __ASM_ARM_MACH_MX28EVK_H
 
 extern void __init mx28evk_pins_init(void);
+extern int mx28evk_enet_gpio_init(void);
+
 #endif /* __ASM_ARM_MACH_MX28EVK_H */

arch/arm/mach-mx28/mx28evk_pins.c

@@ -539,7 +539,8 @@ static struct pin_desc mx28evk_fixed_pins[] = {
 	 },
 #endif
 
-#if defined(CONFIG_FEC) || defined(CONFIG_FEC_MODULE)
+#if defined(CONFIG_FEC) || defined(CONFIG_FEC_MODULE)\
+	|| defined(CONFIG_FEC_L2SWITCH)
 	{
 	 .name = "ENET0_MDC",
 	 .id = PINID_ENET0_MDC,
@@ -1070,7 +1071,8 @@ static struct pin_desc mx28evk_gpmi_pins[] = {
 	 },
 };
 
-#if defined(CONFIG_FEC) || defined(CONFIG_FEC_MODULE)
+#if defined(CONFIG_FEC) || defined(CONFIG_FEC_MODULE)\
+	|| defined(CONFIG_FEC_L2SWITCH)
 int mx28evk_enet_gpio_init(void)
 {
 	/* pwr */

arch/arm/plat-mxs/device.c

@@ -220,6 +220,18 @@ static struct platform_device mxs_fec[] = {
 };
 #endif
 
+#if defined(CONFIG_FEC_L2SWITCH)
+static struct platform_device mxs_l2switch[] = {
+	{
+	.name = "mxs-l2switch",
+	.id = 0,
+	.dev = {
+		.release = mxs_nop_release,
+		},
+	},
+};
+#endif
+
 #if defined(CONFIG_FB_MXS) || defined(CONFIG_FB_MXS_MODULE)
 static struct platform_device mxs_fb = {
 	.name	= "mxs-fb",
@@ -595,6 +607,14 @@ static struct mxs_dev_lookup dev_lookup[] = {
 	},
 #endif
 
+#if defined(CONFIG_FEC_L2SWITCH)
+	{
+	.name = "mxs-l2switch",
+	.size = ARRAY_SIZE(mxs_l2switch),
+	.pdev = mxs_l2switch,
+	},
+#endif
+
 #ifdef CONFIG_MXS_LRADC
 	{
 	 .name = "mxs-lradc",

include/linux/fec.h

@@ -22,4 +22,22 @@ struct fec_platform_data {
 	struct regulator *vddio_reg;
 };
 
+struct switch_platform_data {
+	int	id;
+	int     hash_table;
+	unsigned int *switch_hw;
+	struct fec_platform_data *fec_enet;
+	void    (*request_intrs)(struct net_device *dev,
+		irqreturn_t (*)(int, void *),
+		void *irq_privatedata);
+	void    (*set_mii)(struct net_device *dev);
+	void    (*get_mac)(struct net_device *dev);
+	void    (*enable_phy_intr)(void);
+	void    (*disable_phy_intr)(void);
+	void    (*phy_ack_intr)(void);
+	void    (*localhw_setup)(void);
+	void    (*uncache)(unsigned long addr);
+	void    (*platform_flush_cache)(void);
+};
+
 #endif