*/
/* TESTED ON:
- * - 1611B H2 (with usb1 mini-AB)
- * - 1510 Innovator with built-in transceiver (custom cable feeding 5V VBUS)
+ * - 1611B H2 (with usb1 mini-AB) using standard Mini-B or OTG cables
+ * - 1510 Innovator UDC with bundled usb0 cable
+ * - 1510 Innovator OHCI with bundled usb1/usb2 cable
+ * - 1510 Innovator OHCI with custom usb0 cable, feeding 5V VBUS
* - 1710 custom development board using alternate pin group
*/
u32 syscon1 = 0;
if (nwires == 0) {
- USB_TRANSCEIVER_CTRL_REG &= ~(1 << 3);
+ if (!cpu_is_omap15xx()) {
+ /* pulldown D+/D- */
+ USB_TRANSCEIVER_CTRL_REG &= ~(3 << 1);
+ }
return 0;
}
* USB0_VP and USB0_VM are always set on 1510, there's no muxing
* available for them.
*/
- if (nwires >= 2 && !cpu_is_omap1510()) {
+ if (nwires >= 2 && !cpu_is_omap15xx()) {
omap_cfg_reg(AA9_USB0_VP);
omap_cfg_reg(R9_USB0_VM);
}
+ if (is_device)
+ omap_cfg_reg(W4_USB_PUEN);
/* internal transceiver */
if (nwires == 2) {
- if (cpu_is_omap1510()) {
- /* This works for OHCI on 1510-Innovator, nothing to mux */
+ if (cpu_is_omap15xx()) {
+ /* This works for OHCI on 1510-Innovator */
return 0;
}
-#if 0
/* NOTE: host OR device mode for now, no OTG */
- USB_TRANSCEIVER_CTRL_REG &= ~(3 << 4);
+ USB_TRANSCEIVER_CTRL_REG &= ~(7 << 4);
if (is_device) {
- omap_cfg_reg(W4_USB_PUEN);
omap_cfg_reg(R18_1510_USB_GPIO0);
// omap_cfg_reg(USB0_VBUS);
- // omap_cfg_reg(USB0_PUEN);
// USB_TRANSCEIVER_CTRL_REG.CONF_USB0_PORT_R = 7
- // when USB0_PUEN is needed
} else /* host mode needs D+ and D- pulldowns */
USB_TRANSCEIVER_CTRL_REG &= ~(3 << 1);
+
return 3 << 16;
-#else
- /* FIXME: 1610 needs to return the right value here */
- printk(KERN_ERR "usb0 internal transceiver, nyet\n");
- return 0;
-#endif
}
/* alternate pin config, external transceiver */
{
u32 syscon1 = 0;
- if (nwires != 6)
+ if (nwires != 6 && !cpu_is_omap15xx())
USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB1_UNI_R;
if (nwires == 0)
return 0;
/* external transceiver */
omap_cfg_reg(USB1_TXD);
omap_cfg_reg(USB1_TXEN);
- if (cpu_is_omap1510()) {
+ if (cpu_is_omap15xx()) {
omap_cfg_reg(USB1_SEO);
omap_cfg_reg(USB1_SPEED);
// SUSP
- } else if (cpu_is_omap1610() || cpu_is_omap5912() || cpu_is_omap1710()) {
+ } else if (cpu_is_omap16xx()) {
omap_cfg_reg(W13_1610_USB1_SE0);
omap_cfg_reg(R13_1610_USB1_SPEED);
// SUSP
syscon1 = 3;
omap_cfg_reg(USB1_VP);
omap_cfg_reg(USB1_VM);
- USB_TRANSCEIVER_CTRL_REG |= CONF_USB1_UNI_R;
+ if (!cpu_is_omap15xx())
+ USB_TRANSCEIVER_CTRL_REG |= CONF_USB1_UNI_R;
break;
default:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
{
u32 syscon1 = 0;
- if (alt_pingroup)
+ if (alt_pingroup || nwires == 0)
return 0;
- if (nwires != 6)
+ if (nwires != 6 && !cpu_is_omap15xx())
USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R;
if (nwires == 0)
return 0;
/* external transceiver */
- if (cpu_is_omap1510()) {
+ if (cpu_is_omap15xx()) {
omap_cfg_reg(USB2_TXD);
omap_cfg_reg(USB2_TXEN);
omap_cfg_reg(USB2_SEO);
if (nwires != 3)
omap_cfg_reg(USB2_RCV);
- } else if (cpu_is_omap1610() || cpu_is_omap5912() || cpu_is_omap1710()) {
+ /* there is no USB2_SPEED */
+ } else if (cpu_is_omap16xx()) {
omap_cfg_reg(V6_USB2_TXD);
omap_cfg_reg(W9_USB2_TXEN);
omap_cfg_reg(W5_USB2_SE0);
if (nwires != 3)
omap_cfg_reg(Y5_USB2_RCV);
+ // FIXME omap_cfg_reg(USB2_SPEED);
} else {
pr_debug("usb unrecognized\n");
}
// omap_cfg_reg(USB2_SUSP);
- // FIXME omap_cfg_reg(USB2_SPEED);
switch (nwires) {
case 3:
break;
case 6:
syscon1 = 3;
- if (cpu_is_omap1510()) {
+ if (cpu_is_omap15xx()) {
omap_cfg_reg(USB2_VP);
omap_cfg_reg(USB2_VM);
} else {
omap_cfg_reg(AA9_USB2_VP);
omap_cfg_reg(R9_USB2_VM);
+ USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
}
- USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
break;
default:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
.dev = {
.release = usb_release,
.dma_mask = &ohci_dmamask,
- .coherent_dma_mask = 0x0fffffff,
+ .coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(ohci_resources),
.resource = ohci_resources,
// FIXME correct answer depends on hmc_mode,
// as does any nonzero value for config->otg port number
+#ifdef CONFIG_USB_GADGET_OMAP
+#define is_usb0_device(config) 1
+#else
#define is_usb0_device(config) 0
+#endif
/*-------------------------------------------------------------------------*/
if (alt_pingroup)
printk(", usb2 alt %d wires", config->pins[2]);
else if (config->pins[0])
- printk(", usb0 %d wires%s", config->pins[2],
+ printk(", usb0 %d wires%s", config->pins[0],
is_usb0_device(config) ? " (dev)" : "");
if (config->pins[1])
printk(", usb1 %d wires", config->pins[1]);
#ifdef CONFIG_ARCH_OMAP1510
+#define ULPD_SOFT_REQ_REG __REG16(ULPD_SOFT_REQ)
+#define SOFT_UDC_REQ (1 << 4)
+#define SOFT_DPLL_REQ (1 << 0)
+
+#define ULPD_DPLL_CTRL_REG __REG16(ULPD_DPLL_CTRL)
+#define DPLL_IOB (1 << 13)
+#define DPLL_PLL_ENABLE (1 << 4)
+#define DPLL_LOCK (1 << 0)
+
+#define ULPD_APLL_CTRL_REG __REG16(ULPD_APLL_CTRL)
+#define APLL_NDPLL_SWITCH (1 << 0)
+
+
static void __init omap_1510_usb_init(struct omap_usb_config *config)
{
int status;
val |= (config->hmc_mode << 1);
omap_writel(val, MOD_CONF_CTRL_0);
- // FIXME this has a UDC controller too
+ printk("USB: hmc %d", config->hmc_mode);
+ if (config->pins[0])
+ printk(", usb0 %d wires%s", config->pins[0],
+ is_usb0_device(config) ? " (dev)" : "");
+ if (config->pins[1])
+ printk(", usb1 %d wires", config->pins[1]);
+ if (config->pins[2])
+ printk(", usb2 %d wires", config->pins[2]);
+ printk("\n");
+
+ /* use DPLL for 48 MHz function clock */
+ pr_debug("APLL %04x DPLL %04x REQ %04x\n", ULPD_APLL_CTRL_REG,
+ ULPD_DPLL_CTRL_REG, ULPD_SOFT_REQ_REG);
+ ULPD_APLL_CTRL_REG &= ~APLL_NDPLL_SWITCH;
+ ULPD_DPLL_CTRL_REG |= DPLL_IOB | DPLL_PLL_ENABLE;
+ ULPD_SOFT_REQ_REG |= SOFT_UDC_REQ | SOFT_DPLL_REQ;
+ while (!(ULPD_DPLL_CTRL_REG & DPLL_LOCK))
+ cpu_relax();
+
+#ifdef CONFIG_USB_GADGET_OMAP
+ if (config->register_dev) {
+ udc_device.dev.platform_data = config;
+ status = platform_device_register(&udc_device);
+ if (status)
+ pr_debug("can't register UDC device, %d\n", status);
+ /* udc driver gates 48MHz by D+ pullup */
+ }
+#endif
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
- if (config->otg || config->register_host) {
+ if (config->register_host) {
ohci_device.dev.platform_data = config;
status = platform_device_register(&ohci_device);
if (status)
pr_debug("can't register OHCI device, %d\n", status);
+ /* hcd explicitly gates 48MHz */
}
- // FIXME completely untested ...
#endif
}
}
platform_data = *config;
- if (cpu_is_omap730()
- || cpu_is_omap1610()
- || cpu_is_omap1710()
- || cpu_is_omap5912())
+ if (cpu_is_omap730() || cpu_is_omap16xx())
omap_otg_init(&platform_data);
- else if (cpu_is_omap1510())
+ else if (cpu_is_omap15xx())
omap_1510_usb_init(&platform_data);
else {
printk(KERN_ERR "USB: No init for your chip yet\n");
git://git.onelab.eu / linux-2.6.git / blobdiff