summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap1/usb.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap1/usb.c')
-rw-r--r--arch/arm/mach-omap1/usb.c51
1 files changed, 24 insertions, 27 deletions
diff --git a/arch/arm/mach-omap1/usb.c b/arch/arm/mach-omap1/usb.c
index 2506e598a067..455e2cf2866d 100644
--- a/arch/arm/mach-omap1/usb.c
+++ b/arch/arm/mach-omap1/usb.c
@@ -1,5 +1,5 @@
/*
- * Platform level USB initialization for FS USB OTG controller on omap1 and 24xx
+ * Platform level USB initialization for FS USB OTG controller on omap1
*
* Copyright (C) 2004 Texas Instruments, Inc.
*
@@ -58,11 +58,12 @@
#ifdef CONFIG_ARCH_OMAP_OTG
-void __init
+static void __init
omap_otg_init(struct omap_usb_config *config)
{
u32 syscon;
int alt_pingroup = 0;
+ u16 w;
/* NOTE: no bus or clock setup (yet?) */
@@ -87,39 +88,35 @@ omap_otg_init(struct omap_usb_config *config)
if (config->otg)
syscon |= OTG_EN;
#endif
- if (cpu_class_is_omap1())
- pr_debug("USB_TRANSCEIVER_CTRL = %03x\n",
- omap_readl(USB_TRANSCEIVER_CTRL));
+ pr_debug("USB_TRANSCEIVER_CTRL = %03x\n",
+ omap_readl(USB_TRANSCEIVER_CTRL));
pr_debug("OTG_SYSCON_2 = %08x\n", omap_readl(OTG_SYSCON_2));
omap_writel(syscon, OTG_SYSCON_2);
printk("USB: hmc %d", config->hmc_mode);
if (!alt_pingroup)
- printk(", usb2 alt %d wires", config->pins[2]);
+ pr_cont(", usb2 alt %d wires", config->pins[2]);
else if (config->pins[0])
- printk(", usb0 %d wires%s", config->pins[0],
+ pr_cont(", usb0 %d wires%s", config->pins[0],
is_usb0_device(config) ? " (dev)" : "");
if (config->pins[1])
- printk(", usb1 %d wires", config->pins[1]);
+ pr_cont(", usb1 %d wires", config->pins[1]);
if (!alt_pingroup && config->pins[2])
- printk(", usb2 %d wires", config->pins[2]);
+ pr_cont(", usb2 %d wires", config->pins[2]);
if (config->otg)
- printk(", Mini-AB on usb%d", config->otg - 1);
- printk("\n");
+ pr_cont(", Mini-AB on usb%d", config->otg - 1);
+ pr_cont("\n");
- if (cpu_class_is_omap1()) {
- u16 w;
+ /* leave USB clocks/controllers off until needed */
+ w = omap_readw(ULPD_SOFT_REQ);
+ w &= ~SOFT_USB_CLK_REQ;
+ omap_writew(w, ULPD_SOFT_REQ);
- /* leave USB clocks/controllers off until needed */
- w = omap_readw(ULPD_SOFT_REQ);
- w &= ~SOFT_USB_CLK_REQ;
- omap_writew(w, ULPD_SOFT_REQ);
+ w = omap_readw(ULPD_CLOCK_CTRL);
+ w &= ~USB_MCLK_EN;
+ w |= DIS_USB_PVCI_CLK;
+ omap_writew(w, ULPD_CLOCK_CTRL);
- w = omap_readw(ULPD_CLOCK_CTRL);
- w &= ~USB_MCLK_EN;
- w |= DIS_USB_PVCI_CLK;
- omap_writew(w, ULPD_CLOCK_CTRL);
- }
syscon = omap_readl(OTG_SYSCON_1);
syscon |= HST_IDLE_EN|DEV_IDLE_EN|OTG_IDLE_EN;
@@ -166,7 +163,7 @@ omap_otg_init(struct omap_usb_config *config)
}
#else
-void omap_otg_init(struct omap_usb_config *config) {}
+static void omap_otg_init(struct omap_usb_config *config) {}
#endif
#if IS_ENABLED(CONFIG_USB_OMAP)
@@ -573,13 +570,13 @@ static void __init omap_1510_usb_init(struct omap_usb_config *config)
printk("USB: hmc %d", config->hmc_mode);
if (config->pins[0])
- printk(", usb0 %d wires%s", config->pins[0],
+ pr_cont(", usb0 %d wires%s", config->pins[0],
is_usb0_device(config) ? " (dev)" : "");
if (config->pins[1])
- printk(", usb1 %d wires", config->pins[1]);
+ pr_cont(", usb1 %d wires", config->pins[1]);
if (config->pins[2])
- printk(", usb2 %d wires", config->pins[2]);
- printk("\n");
+ pr_cont(", usb2 %d wires", config->pins[2]);
+ pr_cont("\n");
/* use DPLL for 48 MHz function clock */
pr_debug("APLL %04x DPLL %04x REQ %04x\n", omap_readw(ULPD_APLL_CTRL),