aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap1
diff options
context:
space:
mode:
authorTony Lindgren <tony@atomide.com>2010-07-05 16:31:30 +0300
committerTony Lindgren <tony@atomide.com>2010-07-05 16:31:30 +0300
commitdd0cdd888251d0d62df417d6859e74e57146c13f (patch)
tree1ecfce96253efc5dbcd4b96eb52ed3f359f77442 /arch/arm/mach-omap1
parentomap: Enable interface clock for omap2 FS USB (diff)
downloadlinux-dev-dd0cdd888251d0d62df417d6859e74e57146c13f.tar.xz
linux-dev-dd0cdd888251d0d62df417d6859e74e57146c13f.zip
omap: Move omap1 USB platform init code into mach-omap1/usb.c
Move omap1 FS USB platform init code into mach-omap1/usb.c Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap1')
-rw-r--r--arch/arm/mach-omap1/Makefile3
-rw-r--r--arch/arm/mach-omap1/board-ams-delta.c2
-rw-r--r--arch/arm/mach-omap1/board-generic.c4
-rw-r--r--arch/arm/mach-omap1/board-h2.c2
-rw-r--r--arch/arm/mach-omap1/board-h3.c2
-rw-r--r--arch/arm/mach-omap1/board-htcherald.c2
-rw-r--r--arch/arm/mach-omap1/board-innovator.c4
-rw-r--r--arch/arm/mach-omap1/board-nokia770.c2
-rw-r--r--arch/arm/mach-omap1/board-osk.c2
-rw-r--r--arch/arm/mach-omap1/board-palmte.c2
-rw-r--r--arch/arm/mach-omap1/board-palmtt.c2
-rw-r--r--arch/arm/mach-omap1/board-palmz71.c2
-rw-r--r--arch/arm/mach-omap1/board-sx1.c2
-rw-r--r--arch/arm/mach-omap1/board-voiceblue.c2
-rw-r--r--arch/arm/mach-omap1/usb.c530
15 files changed, 548 insertions, 15 deletions
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index ea231c7a550a..facfaeb1ae5c 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -23,6 +23,9 @@ obj-y += $(i2c-omap-m) $(i2c-omap-y)
led-y := leds.o
+usb-fs-$(CONFIG_USB) := usb.o
+obj-y += $(usb-fs-m) $(usb-fs-y)
+
# Specific board support
obj-$(CONFIG_MACH_OMAP_H2) += board-h2.o board-h2-mmc.o
obj-$(CONFIG_MACH_OMAP_INNOVATOR) += board-innovator.o
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index fdd1dd53fa9c..c6a81ff8c0d8 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -235,7 +235,7 @@ static void __init ams_delta_init(void)
/* Clear latch2 (NAND, LCD, modem enable) */
ams_delta_latch2_write(~0, 0);
- omap_usb_init(&ams_delta_usb_config);
+ omap1_usb_init(&ams_delta_usb_config);
platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
#ifdef CONFIG_AMS_DELTA_FIQ
diff --git a/arch/arm/mach-omap1/board-generic.c b/arch/arm/mach-omap1/board-generic.c
index e1195a3467b8..e9ed8bff1ce3 100644
--- a/arch/arm/mach-omap1/board-generic.c
+++ b/arch/arm/mach-omap1/board-generic.c
@@ -72,12 +72,12 @@ static void __init omap_generic_init(void)
omap_cfg_reg(UART3_TX);
omap_cfg_reg(UART3_RX);
- omap_usb_init(&generic1510_usb_config);
+ omap1_usb_init(&generic1510_usb_config);
}
#endif
#if defined(CONFIG_ARCH_OMAP16XX)
if (!cpu_is_omap1510()) {
- omap_usb_init(&generic1610_usb_config);
+ omap1_usb_init(&generic1610_usb_config);
}
#endif
diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c
index d1100e4f65ac..5f30188ade99 100644
--- a/arch/arm/mach-omap1/board-h2.c
+++ b/arch/arm/mach-omap1/board-h2.c
@@ -452,7 +452,7 @@ static void __init h2_init(void)
omap_serial_init();
omap_register_i2c_bus(1, 100, h2_i2c_board_info,
ARRAY_SIZE(h2_i2c_board_info));
- omap_usb_init(&h2_usb_config);
+ omap1_usb_init(&h2_usb_config);
h2_mmc_init();
}
diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c
index a53ab8297d25..0be1d3b8181d 100644
--- a/arch/arm/mach-omap1/board-h3.c
+++ b/arch/arm/mach-omap1/board-h3.c
@@ -405,7 +405,7 @@ static void __init h3_init(void)
omap_serial_init();
omap_register_i2c_bus(1, 100, h3_i2c_board_info,
ARRAY_SIZE(h3_i2c_board_info));
- omap_usb_init(&h3_usb_config);
+ omap1_usb_init(&h3_usb_config);
h3_mmc_init();
}
diff --git a/arch/arm/mach-omap1/board-htcherald.c b/arch/arm/mach-omap1/board-htcherald.c
index 8e313b4b99a9..736e4c2064f6 100644
--- a/arch/arm/mach-omap1/board-htcherald.c
+++ b/arch/arm/mach-omap1/board-htcherald.c
@@ -287,7 +287,7 @@ static void __init htcherald_init(void)
htcherald_disable_watchdog();
htcherald_usb_enable();
- omap_usb_init(&htcherald_usb_config);
+ omap1_usb_init(&htcherald_usb_config);
}
static void __init htcherald_init_irq(void)
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index 5d12fd35681b..3c04e90fb85a 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -422,13 +422,13 @@ static void __init innovator_init(void)
#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap1510()) {
- omap_usb_init(&innovator1510_usb_config);
+ omap1_usb_init(&innovator1510_usb_config);
innovator_config[1].data = &innovator1510_lcd_config;
}
#endif
#ifdef CONFIG_ARCH_OMAP16XX
if (cpu_is_omap1610()) {
- omap_usb_init(&h2_usb_config);
+ omap1_usb_init(&h2_usb_config);
innovator_config[1].data = &innovator1610_lcd_config;
}
#endif
diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c
index 71e1a3fad0ea..c9e9e37c5676 100644
--- a/arch/arm/mach-omap1/board-nokia770.c
+++ b/arch/arm/mach-omap1/board-nokia770.c
@@ -386,7 +386,7 @@ static void __init omap_nokia770_init(void)
hwa742_dev_init();
ads7846_dev_init();
mipid_dev_init();
- omap_usb_init(&nokia770_usb_config);
+ omap1_usb_init(&nokia770_usb_config);
nokia770_mmc_init();
}
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index 80d862001def..b28c46a9ecce 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -560,7 +560,7 @@ static void __init osk_init(void)
l |= (3 << 1);
omap_writel(l, USB_TRANSCEIVER_CTRL);
- omap_usb_init(&osk_usb_config);
+ omap1_usb_init(&osk_usb_config);
/* irq for tps65010 chip */
/* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */
diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c
index 569b4c9085cd..51d5c4dc7967 100644
--- a/arch/arm/mach-omap1/board-palmte.c
+++ b/arch/arm/mach-omap1/board-palmte.c
@@ -359,7 +359,7 @@ static void __init omap_palmte_init(void)
spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
palmte_misc_gpio_setup();
omap_serial_init();
- omap_usb_init(&palmte_usb_config);
+ omap1_usb_init(&palmte_usb_config);
omap_register_i2c_bus(1, 100, NULL, 0);
}
diff --git a/arch/arm/mach-omap1/board-palmtt.c b/arch/arm/mach-omap1/board-palmtt.c
index 6ad49a2cc1a0..c0bcfc6119db 100644
--- a/arch/arm/mach-omap1/board-palmtt.c
+++ b/arch/arm/mach-omap1/board-palmtt.c
@@ -307,7 +307,7 @@ static void __init omap_palmtt_init(void)
spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
omap_serial_init();
- omap_usb_init(&palmtt_usb_config);
+ omap1_usb_init(&palmtt_usb_config);
omap_register_i2c_bus(1, 100, NULL, 0);
}
diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c
index 6641de9257ef..f431b44a71e3 100644
--- a/arch/arm/mach-omap1/board-palmz71.c
+++ b/arch/arm/mach-omap1/board-palmz71.c
@@ -325,7 +325,7 @@ omap_palmz71_init(void)
spi_register_board_info(palmz71_boardinfo,
ARRAY_SIZE(palmz71_boardinfo));
- omap_usb_init(&palmz71_usb_config);
+ omap1_usb_init(&palmz71_usb_config);
omap_serial_init();
omap_register_i2c_bus(1, 100, NULL, 0);
palmz71_gpio_setup(0);
diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c
index 2fb1e5f8e2ec..7b21190a914a 100644
--- a/arch/arm/mach-omap1/board-sx1.c
+++ b/arch/arm/mach-omap1/board-sx1.c
@@ -392,7 +392,7 @@ static void __init omap_sx1_init(void)
omap_board_config_size = ARRAY_SIZE(sx1_config);
omap_serial_init();
omap_register_i2c_bus(1, 100, NULL, 0);
- omap_usb_init(&sx1_usb_config);
+ omap1_usb_init(&sx1_usb_config);
sx1_mmc_init();
/* turn on USB power */
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c
index 87b9436fe7c0..78107543d59b 100644
--- a/arch/arm/mach-omap1/board-voiceblue.c
+++ b/arch/arm/mach-omap1/board-voiceblue.c
@@ -198,7 +198,7 @@ static void __init voiceblue_init(void)
omap_board_config = voiceblue_config;
omap_board_config_size = ARRAY_SIZE(voiceblue_config);
omap_serial_init();
- omap_usb_init(&voiceblue_usb_config);
+ omap1_usb_init(&voiceblue_usb_config);
omap_register_i2c_bus(1, 100, NULL, 0);
/* There is a good chance board is going up, so enable power LED
diff --git a/arch/arm/mach-omap1/usb.c b/arch/arm/mach-omap1/usb.c
new file mode 100644
index 000000000000..19de03b074e3
--- /dev/null
+++ b/arch/arm/mach-omap1/usb.c
@@ -0,0 +1,530 @@
+/*
+ * Platform level USB initialization for FS USB OTG controller on omap1 and 24xx
+ *
+ * Copyright (C) 2004 Texas Instruments, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include <asm/irq.h>
+
+#include <plat/mux.h>
+#include <plat/usb.h>
+
+/* These routines should handle the standard chip-specific modes
+ * for usb0/1/2 ports, covering basic mux and transceiver setup.
+ *
+ * Some board-*.c files will need to set up additional mux options,
+ * like for suspend handling, vbus sensing, GPIOs, and the D+ pullup.
+ */
+
+/* TESTED ON:
+ * - 1611B H2 (with usb1 mini-AB) using standard Mini-B or OTG cables
+ * - 5912 OSK OHCI (with usb0 standard-A), standard A-to-B cables
+ * - 5912 OSK UDC, with *nonstandard* A-to-A cable
+ * - 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
+ * - 1710 H3 (with usb1 mini-AB) using standard Mini-B or OTG cables
+ */
+
+#define INT_USB_IRQ_GEN IH2_BASE + 20
+#define INT_USB_IRQ_NISO IH2_BASE + 30
+#define INT_USB_IRQ_ISO IH2_BASE + 29
+#define INT_USB_IRQ_HGEN INT_USB_HHC_1
+#define INT_USB_IRQ_OTG IH2_BASE + 8
+
+#ifdef CONFIG_USB_GADGET_OMAP
+
+static struct resource udc_resources[] = {
+ /* order is significant! */
+ { /* registers */
+ .start = UDC_BASE,
+ .end = UDC_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, { /* general IRQ */
+ .start = INT_USB_IRQ_GEN,
+ .flags = IORESOURCE_IRQ,
+ }, { /* PIO IRQ */
+ .start = INT_USB_IRQ_NISO,
+ .flags = IORESOURCE_IRQ,
+ }, { /* SOF IRQ */
+ .start = INT_USB_IRQ_ISO,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 udc_dmamask = ~(u32)0;
+
+static struct platform_device udc_device = {
+ .name = "omap_udc",
+ .id = -1,
+ .dev = {
+ .dma_mask = &udc_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(udc_resources),
+ .resource = udc_resources,
+};
+
+static inline void udc_device_init(struct omap_usb_config *pdata)
+{
+ /* IRQ numbers for omap7xx */
+ if(cpu_is_omap7xx()) {
+ udc_resources[1].start = INT_7XX_USB_GENI;
+ udc_resources[2].start = INT_7XX_USB_NON_ISO;
+ udc_resources[3].start = INT_7XX_USB_ISO;
+ }
+ pdata->udc_device = &udc_device;
+}
+
+#else
+
+static inline void udc_device_init(struct omap_usb_config *pdata)
+{
+}
+
+#endif
+
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+
+/* The dmamask must be set for OHCI to work */
+static u64 ohci_dmamask = ~(u32)0;
+
+static struct resource ohci_resources[] = {
+ {
+ .start = OMAP_OHCI_BASE,
+ .end = OMAP_OHCI_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_USB_IRQ_HGEN,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ohci_device = {
+ .name = "ohci",
+ .id = -1,
+ .dev = {
+ .dma_mask = &ohci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(ohci_resources),
+ .resource = ohci_resources,
+};
+
+static inline void ohci_device_init(struct omap_usb_config *pdata)
+{
+ if (cpu_is_omap7xx())
+ ohci_resources[1].start = INT_7XX_USB_HHC_1;
+ pdata->ohci_device = &ohci_device;
+}
+
+#else
+
+static inline void ohci_device_init(struct omap_usb_config *pdata)
+{
+}
+
+#endif
+
+#if defined(CONFIG_USB_OTG) && defined(CONFIG_ARCH_OMAP_OTG)
+
+static struct resource otg_resources[] = {
+ /* order is significant! */
+ {
+ .start = OTG_BASE,
+ .end = OTG_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = INT_USB_IRQ_OTG,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device otg_device = {
+ .name = "omap_otg",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(otg_resources),
+ .resource = otg_resources,
+};
+
+static inline void otg_device_init(struct omap_usb_config *pdata)
+{
+ if (cpu_is_omap7xx())
+ otg_resources[1].start = INT_7XX_USB_OTG;
+ pdata->otg_device = &otg_device;
+}
+
+#else
+
+static inline void otg_device_init(struct omap_usb_config *pdata)
+{
+}
+
+#endif
+
+u32 __init omap1_usb0_init(unsigned nwires, unsigned is_device)
+{
+ u32 syscon1 = 0;
+
+ if (nwires == 0) {
+ if (!cpu_is_omap15xx()) {
+ u32 l;
+
+ /* pulldown D+/D- */
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l &= ~(3 << 1);
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
+ return 0;
+ }
+
+ if (is_device) {
+ if (cpu_is_omap7xx()) {
+ omap_cfg_reg(AA17_7XX_USB_DM);
+ omap_cfg_reg(W16_7XX_USB_PU_EN);
+ omap_cfg_reg(W17_7XX_USB_VBUSI);
+ omap_cfg_reg(W18_7XX_USB_DMCK_OUT);
+ omap_cfg_reg(W19_7XX_USB_DCRST);
+ } else
+ omap_cfg_reg(W4_USB_PUEN);
+ }
+
+ if (nwires == 2) {
+ u32 l;
+
+ // omap_cfg_reg(P9_USB_DP);
+ // omap_cfg_reg(R8_USB_DM);
+
+ if (cpu_is_omap15xx()) {
+ /* This works on 1510-Innovator */
+ return 0;
+ }
+
+ /* NOTES:
+ * - peripheral should configure VBUS detection!
+ * - only peripherals may use the internal D+/D- pulldowns
+ * - OTG support on this port not yet written
+ */
+
+ /* Don't do this for omap7xx -- it causes USB to not work correctly */
+ if (!cpu_is_omap7xx()) {
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l &= ~(7 << 4);
+ if (!is_device)
+ l |= (3 << 1);
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
+
+ return 3 << 16;
+ }
+
+ /* alternate pin config, external transceiver */
+ if (cpu_is_omap15xx()) {
+ printk(KERN_ERR "no usb0 alt pin config on 15xx\n");
+ return 0;
+ }
+
+ omap_cfg_reg(V6_USB0_TXD);
+ omap_cfg_reg(W9_USB0_TXEN);
+ omap_cfg_reg(W5_USB0_SE0);
+ if (nwires != 3)
+ omap_cfg_reg(Y5_USB0_RCV);
+
+ /* NOTE: SPEED and SUSP aren't configured here. OTG hosts
+ * may be able to use I2C requests to set those bits along
+ * with VBUS switching and overcurrent detection.
+ */
+
+ if (nwires != 6) {
+ u32 l;
+
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l &= ~CONF_USB2_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
+
+ switch (nwires) {
+ case 3:
+ syscon1 = 2;
+ break;
+ case 4:
+ syscon1 = 1;
+ break;
+ case 6:
+ syscon1 = 3;
+ {
+ u32 l;
+
+ omap_cfg_reg(AA9_USB0_VP);
+ omap_cfg_reg(R9_USB0_VM);
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l |= CONF_USB2_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
+ break;
+ default:
+ printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
+ 0, nwires);
+ }
+
+ return syscon1 << 16;
+}
+
+u32 __init omap1_usb1_init(unsigned nwires)
+{
+ u32 syscon1 = 0;
+
+ if (!cpu_is_omap15xx() && nwires != 6) {
+ u32 l;
+
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l &= ~CONF_USB1_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
+ if (nwires == 0)
+ return 0;
+
+ /* external transceiver */
+ omap_cfg_reg(USB1_TXD);
+ omap_cfg_reg(USB1_TXEN);
+ if (nwires != 3)
+ omap_cfg_reg(USB1_RCV);
+
+ if (cpu_is_omap15xx()) {
+ omap_cfg_reg(USB1_SEO);
+ omap_cfg_reg(USB1_SPEED);
+ // SUSP
+ } else if (cpu_is_omap1610() || cpu_is_omap5912()) {
+ omap_cfg_reg(W13_1610_USB1_SE0);
+ omap_cfg_reg(R13_1610_USB1_SPEED);
+ // SUSP
+ } else if (cpu_is_omap1710()) {
+ omap_cfg_reg(R13_1710_USB1_SE0);
+ // SUSP
+ } else {
+ pr_debug("usb%d cpu unrecognized\n", 1);
+ return 0;
+ }
+
+ switch (nwires) {
+ case 2:
+ goto bad;
+ case 3:
+ syscon1 = 2;
+ break;
+ case 4:
+ syscon1 = 1;
+ break;
+ case 6:
+ syscon1 = 3;
+ omap_cfg_reg(USB1_VP);
+ omap_cfg_reg(USB1_VM);
+ if (!cpu_is_omap15xx()) {
+ u32 l;
+
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l |= CONF_USB1_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
+ break;
+ default:
+bad:
+ printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
+ 1, nwires);
+ }
+
+ return syscon1 << 20;
+}
+
+u32 __init omap1_usb2_init(unsigned nwires, unsigned alt_pingroup)
+{
+ u32 syscon1 = 0;
+
+ /* NOTE omap1 erratum: must leave USB2_UNI_R set if usb0 in use */
+ if (alt_pingroup || nwires == 0)
+ return 0;
+
+ if (!cpu_is_omap15xx() && nwires != 6) {
+ u32 l;
+
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l &= ~CONF_USB2_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
+
+ /* external transceiver */
+ 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);
+ /* 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%d cpu unrecognized\n", 1);
+ return 0;
+ }
+
+ // omap_cfg_reg(USB2_SUSP);
+
+ switch (nwires) {
+ case 2:
+ goto bad;
+ case 3:
+ syscon1 = 2;
+ break;
+ case 4:
+ syscon1 = 1;
+ break;
+ case 5:
+ goto bad;
+ case 6:
+ syscon1 = 3;
+ if (cpu_is_omap15xx()) {
+ omap_cfg_reg(USB2_VP);
+ omap_cfg_reg(USB2_VM);
+ } else {
+ u32 l;
+
+ omap_cfg_reg(AA9_USB2_VP);
+ omap_cfg_reg(R9_USB2_VM);
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l |= CONF_USB2_UNI_R;
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+ }
+ break;
+ default:
+bad:
+ printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
+ 2, nwires);
+ }
+
+ return syscon1 << 24;
+}
+
+#ifdef CONFIG_ARCH_OMAP15XX
+
+/* ULPD_DPLL_CTRL */
+#define DPLL_IOB (1 << 13)
+#define DPLL_PLL_ENABLE (1 << 4)
+#define DPLL_LOCK (1 << 0)
+
+/* ULPD_APLL_CTRL */
+#define APLL_NDPLL_SWITCH (1 << 0)
+
+static void __init omap_1510_usb_init(struct omap_usb_config *config)
+{
+ unsigned int val;
+ u16 w;
+
+ config->usb0_init(config->pins[0], is_usb0_device(config));
+ config->usb1_init(config->pins[1]);
+ config->usb2_init(config->pins[2], 0);
+
+ val = omap_readl(MOD_CONF_CTRL_0) & ~(0x3f << 1);
+ val |= (config->hmc_mode << 1);
+ omap_writel(val, MOD_CONF_CTRL_0);
+
+ 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", omap_readw(ULPD_APLL_CTRL),
+ omap_readw(ULPD_DPLL_CTRL), omap_readw(ULPD_SOFT_REQ));
+
+ w = omap_readw(ULPD_APLL_CTRL);
+ w &= ~APLL_NDPLL_SWITCH;
+ omap_writew(w, ULPD_APLL_CTRL);
+
+ w = omap_readw(ULPD_DPLL_CTRL);
+ w |= DPLL_IOB | DPLL_PLL_ENABLE;
+ omap_writew(w, ULPD_DPLL_CTRL);
+
+ w = omap_readw(ULPD_SOFT_REQ);
+ w |= SOFT_UDC_REQ | SOFT_DPLL_REQ;
+ omap_writew(w, ULPD_SOFT_REQ);
+
+ while (!(omap_readw(ULPD_DPLL_CTRL) & DPLL_LOCK))
+ cpu_relax();
+
+#ifdef CONFIG_USB_GADGET_OMAP
+ if (config->register_dev) {
+ int status;
+
+ 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->register_host) {
+ int status;
+
+ 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 */
+ }
+#endif
+}
+
+#else
+static inline void omap_1510_usb_init(struct omap_usb_config *config) {}
+#endif
+
+void __init omap1_usb_init(struct omap_usb_config *pdata)
+{
+ pdata->usb0_init = omap1_usb0_init;
+ pdata->usb1_init = omap1_usb1_init;
+ pdata->usb2_init = omap1_usb2_init;
+ udc_device_init(pdata);
+ ohci_device_init(pdata);
+ otg_device_init(pdata);
+
+ if (cpu_is_omap7xx() || cpu_is_omap16xx())
+ omap_otg_init(pdata);
+ else if (cpu_is_omap15xx())
+ omap_1510_usb_init(pdata);
+ else
+ printk(KERN_ERR "USB: No init for your chip yet\n");
+}