From: Vikram Pandita Date: Mon, 4 Feb 2008 23:49:57 +0000 (-0800) Subject: ARM: OMAP2: Add 34xx board init for EHCI X-Git-Tag: v2.6.25-omap1~205 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=e567965d9454e8a97424983b5f1f43f7ab733b51;p=linux-2.6-omap-h63xx.git ARM: OMAP2: Add 34xx board init for EHCI This patch adds the OMAP EHCI board specific information Signed-off-by: Vikram Pandita Acked-by: Kamat, Nishant Acked-by: David, Brownell Signed-off-by: Tony Lindgren --- diff --git a/arch/arm/mach-omap2/board-3430sdp-usb.c b/arch/arm/mach-omap2/board-3430sdp-usb.c index dd8f7facd34..77088b42878 100644 --- a/arch/arm/mach-omap2/board-3430sdp-usb.c +++ b/arch/arm/mach-omap2/board-3430sdp-usb.c @@ -16,6 +16,8 @@ #include #include #include +#include +#include #include #include @@ -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 + } +