Commit e567965d authored by Vikram Pandita's avatar Vikram Pandita Committed by Tony Lindgren

ARM: OMAP2: Add 34xx board init for EHCI

This patch adds the OMAP EHCI board specific information
Signed-off-by: default avatarVikram Pandita <vikram.pandita@ti.com>
Acked-by: default avatarKamat, Nishant <nskamat@ti.com>
Acked-by: default avatarDavid, Brownell <david-b@pacbell.net>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent a909174a
......@@ -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
}
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