ARM: OMAP2: Add 34xx board init for EHCI

This patch adds the OMAP EHCI board specific information

Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Acked-by: Kamat, Nishant <nskamat@ti.com>
Acked-by: David, Brownell <david-b@pacbell.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/board-3430sdp-usb.c b/arch/arm/mach-omap2/board-3430sdp-usb.c
index dd8f7facd343b2fdd9ee329ec8096abf2df1693e..77088b4287851ed2b3a976fe9b45ad6f950f22f7 100644 (file)
--- a/arch/arm/mach-omap2/board-3430sdp-usb.c
+++ b/arch/arm/mach-omap2/board-3430sdp-usb.c
@@ -16,6 +16,8 @@
 #include <linux/errno.h>
 #include <linux/delay.h>
 #include <linux/platform_device.h>
+#include <asm/io.h>
+#include <asm/arch/mux.h>
 #include <linux/usb/musb.h>
 
 #include <asm/arch/hardware.h>
@@ -66,6 +68,130 @@ static struct platform_device musb_device = {
 };
 #endif
 
+
+/* EHCI platform specific data */
+
+#if    defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
+static struct resource ehci_resources[] = {
+       [0] = {
+               .start   = OMAP34XX_HSUSB_HOST_BASE + 0x800,
+               .end     = OMAP34XX_HSUSB_HOST_BASE + 0x800 + SZ_1K,
+               .flags   = IORESOURCE_MEM,
+       },
+       [1] = {         /* general IRQ */
+               .start   = INT_34XX_EHCI_IRQ,
+               .flags   = IORESOURCE_IRQ,
+       }
+};
+
+static u64 ehci_dmamask = ~(u32)0;
+static struct platform_device ehci_device = {
+       .name           = "ehci-omap",
+       .id             = 0,
+       .dev = {
+               .dma_mask               = &ehci_dmamask,
+               .coherent_dma_mask      = 0xffffffff,
+               .platform_data          = 0x0,
+       },
+       .num_resources  = ARRAY_SIZE(ehci_resources),
+       .resource       = ehci_resources,
+};
+
+
+/* MUX settings for EHCI pins */
+/*
+ * setup_ehci_io_mux - initialize IO pad mux for USBHOST
+ */
+static void setup_ehci_io_mux(void)
+{
+#ifdef CONFIG_OMAP_EHCI_PHY_MODE
+       /* PHY mode of operation for board: 750-2083-001
+        * ISP1504 connected to Port1 and Port2
+        * Do Func Mux setting for 12-pin ULPI PHY mode
+        */
+
+       /* Port1 */
+       omap_cfg_reg(Y9_3430_USB1HS_PHY_STP);
+       omap_cfg_reg(Y8_3430_USB1HS_PHY_CLK);
+       omap_cfg_reg(AA14_3430_USB1HS_PHY_DIR);
+       omap_cfg_reg(AA11_3430_USB1HS_PHY_NXT);
+       omap_cfg_reg(W13_3430_USB1HS_PHY_DATA0);
+       omap_cfg_reg(W12_3430_USB1HS_PHY_DATA1);
+       omap_cfg_reg(W11_3430_USB1HS_PHY_DATA2);
+       omap_cfg_reg(Y11_3430_USB1HS_PHY_DATA3);
+       omap_cfg_reg(W9_3430_USB1HS_PHY_DATA4);
+       omap_cfg_reg(Y12_3430_USB1HS_PHY_DATA5);
+       omap_cfg_reg(W8_3430_USB1HS_PHY_DATA6);
+       omap_cfg_reg(Y13_3430_USB1HS_PHY_DATA7);
+
+       /* Port2 */
+       omap_cfg_reg(AA10_3430_USB2HS_PHY_STP);
+       omap_cfg_reg(AA8_3430_USB2HS_PHY_CLK);
+       omap_cfg_reg(AA9_3430_USB2HS_PHY_DIR);
+       omap_cfg_reg(AB11_3430_USB2HS_PHY_NXT);
+       omap_cfg_reg(AB10_3430_USB2HS_PHY_DATA0);
+       omap_cfg_reg(AB9_3430_USB2HS_PHY_DATA1);
+       omap_cfg_reg(W3_3430_USB2HS_PHY_DATA2);
+       omap_cfg_reg(T4_3430_USB2HS_PHY_DATA3);
+       omap_cfg_reg(T3_3430_USB2HS_PHY_DATA4);
+       omap_cfg_reg(R3_3430_USB2HS_PHY_DATA5);
+       omap_cfg_reg(R4_3430_USB2HS_PHY_DATA6);
+       omap_cfg_reg(T2_3430_USB2HS_PHY_DATA7);
+
+#else
+       /* Set Func mux for :
+        * TLL mode of operation
+        * 12-pin ULPI SDR TLL mode for Port1/2/3
+        */
+
+       /* Port1 */
+       omap_cfg_reg(Y9_3430_USB1HS_TLL_STP);
+       omap_cfg_reg(Y8_3430_USB1HS_TLL_CLK);
+       omap_cfg_reg(AA14_3430_USB1HS_TLL_DIR);
+       omap_cfg_reg(AA11_3430_USB1HS_TLL_NXT);
+       omap_cfg_reg(W13_3430_USB1HS_TLL_DATA0);
+       omap_cfg_reg(W12_3430_USB1HS_TLL_DATA1);
+       omap_cfg_reg(W11_3430_USB1HS_TLL_DATA2);
+       omap_cfg_reg(Y11_3430_USB1HS_TLL_DATA3);
+       omap_cfg_reg(W9_3430_USB1HS_TLL_DATA4);
+       omap_cfg_reg(Y12_3430_USB1HS_TLL_DATA5);
+       omap_cfg_reg(W8_3430_USB1HS_TLL_DATA6);
+       omap_cfg_reg(Y13_3430_USB1HS_TLL_DATA7);
+
+       /* Port2 */
+       omap_cfg_reg(AA10_3430_USB2HS_TLL_STP);
+       omap_cfg_reg(AA8_3430_USB2HS_TLL_CLK);
+       omap_cfg_reg(AA9_3430_USB2HS_TLL_DIR);
+       omap_cfg_reg(AB11_3430_USB2HS_TLL_NXT);
+       omap_cfg_reg(AB10_3430_USB2HS_TLL_DATA0);
+       omap_cfg_reg(AB9_3430_USB2HS_TLL_DATA1);
+       omap_cfg_reg(W3_3430_USB2HS_TLL_DATA2);
+       omap_cfg_reg(T4_3430_USB2HS_TLL_DATA3);
+       omap_cfg_reg(T3_3430_USB2HS_TLL_DATA4);
+       omap_cfg_reg(R3_3430_USB2HS_TLL_DATA5);
+       omap_cfg_reg(R4_3430_USB2HS_TLL_DATA6);
+       omap_cfg_reg(T2_3430_USB2HS_TLL_DATA7);
+
+       /* Port3 */
+       omap_cfg_reg(AB3_3430_USB3HS_TLL_STP);
+       omap_cfg_reg(AA6_3430_USB3HS_TLL_CLK);
+       omap_cfg_reg(AA3_3430_USB3HS_TLL_DIR);
+       omap_cfg_reg(Y3_3430_USB3HS_TLL_NXT);
+       omap_cfg_reg(AA5_3430_USB3HS_TLL_DATA0);
+       omap_cfg_reg(Y4_3430_USB3HS_TLL_DATA1);
+       omap_cfg_reg(Y5_3430_USB3HS_TLL_DATA2);
+       omap_cfg_reg(W5_3430_USB3HS_TLL_DATA3);
+       omap_cfg_reg(AB12_3430_USB3HS_TLL_DATA4);
+       omap_cfg_reg(AB13_3430_USB3HS_TLL_DATA5);
+       omap_cfg_reg(AA13_3430_USB3HS_TLL_DATA6);
+       omap_cfg_reg(AA12_3430_USB3HS_TLL_DATA7);
+#endif /* CONFIG_OMAP_EHCI_PHY_MODE */
+
+       return;
+}
+
+#endif /* EHCI specific data */
+
 void __init sdp3430_usb_init(void)
 {
 #ifdef CONFIG_USB_MUSB_SOC
@@ -74,4 +200,17 @@ void __init sdp3430_usb_init(void)
                return;
        }
 #endif
+
+#if     defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
+
+       /* Setup Pin IO MUX for EHCI */
+       setup_ehci_io_mux();
+
+       if (platform_device_register(&ehci_device) < 0) {
+               printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
+               return;
+       }
+#endif
+
 }
+