This patch adds the OMAP EHCI board specific information
Signed-off-by: Vikram Pandita <vikram.pandita@xxxxxx>
Acked-by: Kamat, Nishant <nskamat@xxxxxx>
Acked-by: David, Brownell <david-b@xxxxxxxxxxx>
---
arch/arm/mach-omap2/board-3430sdp-usb.c | 139 ++++++++++++++++++++++++++++++++
1 file changed, 139 insertions(+)
Index: omap-submit/arch/arm/mach-omap2/board-3430sdp-usb.c
===================================================================
--- omap-submit.orig/arch/arm/mach-omap2/board-3430sdp-usb.c 2008-01-31 12:04:11.000000000 +0530
+++ omap-submit/arch/arm/mach-omap2/board-3430sdp-usb.c 2008-01-31 12:08:12.000000000 +0530
@@ -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 @@
};
#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 @@
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
+
}
+
-
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