Separate USB code into a file separate from asic/asic_devices.
Separating the USB code from everything else in asic/asic_devices.c goes
a long way toward reducing the use of that file as a dumping ground for
everything that didn't seem to fit anywhere else.
Signed-off-by: David VomLehn <dvomlehn@xxxxxxxxx>
---
arch/mips/include/asm/mach-powertv/asic.h | 17 +-
arch/mips/include/asm/mach-powertv/asic_regs.h | 1 +
arch/mips/powertv/Makefile | 2 +
arch/mips/powertv/asic/asic_devices.c | 238 +-------------
arch/mips/powertv/powertv-usb.c | 403 ++++++++++++++++++++++++
5 files changed, 432 insertions(+), 229 deletions(-)
diff --git a/arch/mips/include/asm/mach-powertv/asic.h b/arch/mips/include/asm/mach-powertv/asic.h
index df33d93..c7077a6 100644
--- a/arch/mips/include/asm/mach-powertv/asic.h
+++ b/arch/mips/include/asm/mach-powertv/asic.h
@@ -20,6 +20,7 @@
#define _ASM_MACH_POWERTV_ASIC_H
#include <linux/ioport.h>
+#include <linux/platform_device.h>
#include <asm/mach-powertv/asic_regs.h>
#define DVR_CAPABLE (1<<0)
@@ -71,16 +72,24 @@ extern int platform_supports_ffs(void);
extern int platform_supports_pcie(void);
extern int platform_supports_display(void);
extern void configure_platform(void);
-extern void platform_configure_usb_ehci(void);
-extern void platform_unconfigure_usb_ehci(void);
-extern void platform_configure_usb_ohci(void);
-extern void platform_unconfigure_usb_ohci(void);
/* Platform Resources */
#define ASIC_RESOURCE_GET_EXISTS 1
extern struct resource *asic_resource_get(const char *name);
extern void platform_release_memory(void *baddr, int size);
+/* USB configuration */
+struct usb_hcd; /* Forward reference */
+extern void platform_configure_usb_ehci(void);
+extern void platform_unconfigure_usb_ehci(void);
+extern void platform_configure_usb_ohci(void);
+extern void platform_unconfigure_usb_ohci(void);
+
+/* Resource for ASIC registers */
+extern struct resource asic_resource;
+extern int platform_usb_devices_init(struct platform_device **echi_dev,
+ struct platform_device **ohci_dev);
+
/* Reboot Cause */
extern void set_reboot_cause(char code, unsigned int data, unsigned int data2);
extern void set_locked_reboot_cause(char code, unsigned int data,
diff --git a/arch/mips/include/asm/mach-powertv/asic_regs.h b/arch/mips/include/asm/mach-powertv/asic_regs.h
index 2657ae6..deecb26 100644
--- a/arch/mips/include/asm/mach-powertv/asic_regs.h
+++ b/arch/mips/include/asm/mach-powertv/asic_regs.h
@@ -101,6 +101,7 @@ static inline void register_map_virtualize(struct register_map *map)
}
extern struct register_map _asic_register_map;
+extern unsigned long asic_phy_base;
/*
* Macros to interface to registers through their ioremapped address
diff --git a/arch/mips/powertv/Makefile b/arch/mips/powertv/Makefile
index e9fe1c6..c914c2b 100644
--- a/arch/mips/powertv/Makefile
+++ b/arch/mips/powertv/Makefile
@@ -26,4 +26,6 @@
obj-y += init.o ioremap.o memory.o powertv_setup.o reset.o time.o \
asic/ pci/
+obj-$(CONFIG_USB) += powertv-usb.o
+
EXTRA_CFLAGS += -Wall -Werror
diff --git a/arch/mips/powertv/asic/asic_devices.c b/arch/mips/powertv/asic/asic_devices.c
index 095a887..e56fa61 100644
--- a/arch/mips/powertv/asic/asic_devices.c
+++ b/arch/mips/powertv/asic/asic_devices.c
@@ -33,7 +33,6 @@
#include <linux/mm.h>
#include <linux/platform_device.h>
#include <linux/module.h>
-#include <linux/gfp.h>
#include <asm/page.h>
#include <linux/swap.h>
#include <linux/highmem.h>
@@ -68,7 +67,6 @@ unsigned long asic_phy_base;
unsigned long asic_base;
EXPORT_SYMBOL(asic_base); /* Exported for testing */
struct resource *gp_resources;
-static bool usb_configured;
/*
* Don't recommend to use it directly, it is usually used by kernel internally.
@@ -91,101 +89,19 @@ struct resource asic_resource = {
};
/*
- *
- * USB Host Resource Definition
- *
- */
-
-static struct resource ehci_resources[] = {
- {
- .parent = &asic_resource,
- .start = 0,
- .end = 0xff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = irq_usbehci,
- .end = irq_usbehci,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static u64 ehci_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device ehci_device = {
- .name = "powertv-ehci",
- .id = 0,
- .num_resources = 2,
- .resource = ehci_resources,
- .dev = {
- .dma_mask = &ehci_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
-};
-
-static struct resource ohci_resources[] = {
- {
- .parent = &asic_resource,
- .start = 0,
- .end = 0xff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = irq_usbohci,
- .end = irq_usbohci,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static u64 ohci_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device ohci_device = {
- .name = "powertv-ohci",
- .id = 0,
- .num_resources = 2,
- .resource = ohci_resources,
- .dev = {
- .dma_mask = &ohci_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
-};
-
-static struct platform_device *platform_devices[] = {
- &ehci_device,
- &ohci_device,
-};
-
-/*
- *
- * Platform Configuration and Device Initialization
- *
- */
-static void __init fs_update(int pe, int md, int sdiv, int disable_div_by_3)
-{
- int en_prg, byp, pwr, nsb, val;
- int sout;
-
- sout = 1;
- en_prg = 1;
- byp = 0;
- nsb = 1;
- pwr = 1;
-
- val = ((sdiv << 29) | (md << 24) | (pe<<8) | (sout<<3) | (byp<<2) |
- (nsb<<1) | (disable_div_by_3<<5));
-
- asic_write(val, fs432x4b4_usb_ctl);
- asic_write(val | (en_prg<<4), fs432x4b4_usb_ctl);
- asic_write(val | (en_prg<<4) | pwr, fs432x4b4_usb_ctl);
-}
-
-/*
* Allow override of bootloader-specified model
+ * Returns zero on success, a negative errno value on failure. This parameter
+ * allows overriding of the bootloader-specified model.
*/
static char __initdata cmdline[COMMAND_LINE_SIZE];
#define FORCEFAMILY_PARAM "forcefamily"
+/*
+ * check_forcefamily - check for, and parse, forcefamily command line parameter
+ * @forced_family: Pointer to two-character array in which to store the
+ * value of the forcedfamily parameter, if any.
+ */
static __init int check_forcefamily(unsigned char forced_family[2])
{
const char *p;
@@ -225,14 +141,10 @@ static __init int check_forcefamily(unsigned char forced_family[2])
*/
static __init noinline void platform_set_family(void)
{
-#define BOOTLDRFAMILY(byte1, byte0) (((byte1) << 8) | (byte0))
-
unsigned char forced_family[2];
unsigned short bootldr_family;
- check_forcefamily(forced_family);
-
- if (forced_family[0] != '\0' && forced_family[1] != '\0')
+ if (check_forcefamily(forced_family) == 0)
bootldr_family = BOOTLDRFAMILY(forced_family[0],
forced_family[1]);
else {
@@ -298,24 +210,9 @@ unsigned int platform_get_family(void)
EXPORT_SYMBOL(platform_get_family);
/*
- * \brief usb_eye_configure() for optimizing the USB eye on Calliope.
- *
- * \param unsigned int value saved to the register.
- *
- * \return none
- *
- */
-static void __init usb_eye_configure(unsigned int value)
-{
- asic_write(asic_read(crt_spare) | value, crt_spare);
-}
-
-/*
* platform_get_asic - determine the ASIC type.
*
- * \param none
- *
- * \return ASIC type; ASIC_UNKNOWN if none
+ * Returns the ASIC type, or ASIC_UNKNOWN if unknown
*
*/
enum asic_type platform_get_asic(void)
@@ -325,93 +222,10 @@ enum asic_type platform_get_asic(void)
EXPORT_SYMBOL(platform_get_asic);
/*
- * platform_configure_usb - usb configuration based on platform type.
- * @bcm1_usb2_ctl: value for the BCM1_USB2_CTL register, which is
- * quirky
- */
-static void __init platform_configure_usb(void)
-{
- u32 bcm1_usb2_ctl;
-
- if (usb_configured)
- return;
-
- switch (asic) {
- case ASIC_ZEUS:
- case ASIC_CRONUS:
- case ASIC_CRONUSLITE:
- fs_update(0x0000, 0x11, 0x02, 0);
- bcm1_usb2_ctl = 0x803;
- break;
-
- case ASIC_CALLIOPE:
- fs_update(0x0000, 0x11, 0x02, 1);
-
- switch (platform_family) {
- case FAMILY_1500VZE:
- break;
-
- case FAMILY_1500VZF:
- usb_eye_configure(0x003c0000);
- break;
-
- default:
- usb_eye_configure(0x00300000);
- break;
- }
-
- bcm1_usb2_ctl = 0x803;
- break;
-
- default:
- pr_err("Unknown ASIC type: %d\n", asic);
- break;
- }
-
- /* turn on USB power */
- asic_write(0, usb2_strap);
- /* Enable all OHCI interrupts */
- asic_write(bcm1_usb2_ctl, usb2_control);
- /* USB2_STBUS_OBC store32/load32 */
- asic_write(3, usb2_stbus_obc);
- /* USB2_STBUS_MESS_SIZE 2 packets */
- asic_write(1, usb2_stbus_mess_size);
- /* USB2_STBUS_CHUNK_SIZE 2 packets */
- asic_write(1, usb2_stbus_chunk_size);
-
- usb_configured = true;
-}
-
-/*
- * Set up the USB EHCI interface
- */
-void platform_configure_usb_ehci()
-{
- platform_configure_usb();
-}
-
-/*
- * Set up the USB OHCI interface
- */
-void platform_configure_usb_ohci()
-{
- platform_configure_usb();
-}
-
-/*
- * Shut the USB EHCI interface down--currently a NOP
+ * set_register_map - set ASIC register configuration
+ * @phys_base: Physical address of the base of the ASIC registers
+ * @map: Description of key ASIC registers
*/
-void platform_unconfigure_usb_ehci()
-{
-}
-
-/*
- * Shut the USB OHCI interface down--currently a NOP
- */
-void platform_unconfigure_usb_ohci()
-{
-}
-
static void __init set_register_map(unsigned long phys_base,
const struct register_map *map)
{
@@ -560,34 +374,8 @@ void __init configure_platform(void)
}
}
-/**
- * platform_devices_init - sets up USB device resourse.
- */
-static int __init platform_devices_init(void)
-{
- pr_notice("%s: ----- Initializing USB resources -----\n", __func__);
-
- asic_resource.start = asic_phy_base;
- asic_resource.end += asic_resource.start;
-
- ehci_resources[0].start = asic_reg_phys_addr(ehci_hcapbase);
- ehci_resources[0].end += ehci_resources[0].start;
-
- ohci_resources[0].start = asic_reg_phys_addr(ohci_hc_revision);
- ohci_resources[0].end += ohci_resources[0].start;
-
- set_io_port_base(0);
-
- platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
-
- return 0;
-}
-
-arch_initcall(platform_devices_init);
-
/*
- *
- * BOOTMEM ALLOCATION
+ * RESOURCE ALLOCATION
*
*/
/*
diff --git a/arch/mips/powertv/powertv-usb.c b/arch/mips/powertv/powertv-usb.c
new file mode 100644
index 0000000..6ac85cf
--- /dev/null
+++ b/arch/mips/powertv/powertv-usb.c
@@ -0,0 +1,403 @@
+/*
+ * powertv-usb.c
+ *
+ * Description: ASIC-specific USB device setup and shutdown
+ *
+ * Copyright (C) 2005-2009 Scientific-Atlanta, Inc.
+ * Copyright (C) 2009 Cisco Systems, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Author: Ken Eppinett
+ * David Schleef <ds@xxxxxxxxxxx>
+ *
+ * NOTE: The bootloader allocates persistent memory at an address which is
+ * 16 MiB below the end of the highest address in KSEG0. All fixed
+ * address memory reservations must avoid this region.
+ */
+
+#include <linux/kernel.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <asm/mach-powertv/asic.h>
+#include <asm/mach-powertv/interrupts.h>
+
+/* misc_clk_ctl1 values */
+#define MCC1_30MHZ_POWERUP_SELECT (1 << 14)
+#define MCC1_DIV9 (1 << 13)
+#define MCC1_ETHMIPS_POWERUP_SELECT (1 << 11)
+#define MCC1_USB_POWERUP_SELECT (1 << 1)
+#define MCC1_CLOCK108_POWERUP_SELECT (1 << 0)
+
+/* Possible values for clock select */
+#define MCC1_USB_CLOCK_HIGH_Z (0 << 4)
+#define MCC1_USB_CLOCK_48MHZ (1 << 4)
+#define MCC1_USB_CLOCK_24MHZ (2 << 4)
+#define MCC1_USB_CLOCK_6MHZ (3 << 4)
+
+#define MCC1_CONFIG (MCC1_30MHZ_POWERUP_SELECT | \
+ MCC1_DIV9 | \
+ MCC1_ETHMIPS_POWERUP_SELECT | \
+ MCC1_USB_POWERUP_SELECT | \
+ MCC1_CLOCK108_POWERUP_SELECT)
+
+/* misc_clk_ctl2 values */
+#define MCC2_GMII_GCLK_TO_PAD (1 << 31)
+#define MCC2_ETHER125_0_CLOCK_SELECT (1 << 29)
+#define MCC2_RMII_0_CLOCK_SELECT (1 << 28)
+#define MCC2_GMII_TX0_CLOCK_SELECT (1 << 27)
+#define MCC2_GMII_RX0_CLOCK_SELECT (1 << 26)
+#define MCC2_ETHER125_1_CLOCK_SELECT (1 << 24)
+#define MCC2_RMII_1_CLOCK_SELECT (1 << 23)
+#define MCC2_GMII_TX1_CLOCK_SELECT (1 << 22)
+#define MCC2_GMII_RX1_CLOCK_SELECT (1 << 21)
+#define MCC2_ETHER125_2_CLOCK_SELECT (1 << 19)
+#define MCC2_RMII_2_CLOCK_SELECT (1 << 18)
+#define MCC2_GMII_TX2_CLOCK_SELECT (1 << 17)
+#define MCC2_GMII_RX2_CLOCK_SELECT (1 << 16)
+
+#define ETHER_CLK_CONFIG (MCC2_GMII_GCLK_TO_PAD | \
+ MCC2_ETHER125_0_CLOCK_SELECT | \
+ MCC2_RMII_0_CLOCK_SELECT | \
+ MCC2_GMII_TX0_CLOCK_SELECT | \
+ MCC2_GMII_RX0_CLOCK_SELECT | \
+ MCC2_ETHER125_1_CLOCK_SELECT | \
+ MCC2_RMII_1_CLOCK_SELECT | \
+ MCC2_GMII_TX1_CLOCK_SELECT | \
+ MCC2_GMII_RX1_CLOCK_SELECT | \
+ MCC2_ETHER125_2_CLOCK_SELECT | \
+ MCC2_RMII_2_CLOCK_SELECT | \
+ MCC2_GMII_TX2_CLOCK_SELECT | \
+ MCC2_GMII_RX2_CLOCK_SELECT)
+
+/* misc_clk_ctl2 definitions for Gaia */
+#define FSX4A_REF_SELECT (1 << 16)
+#define FSX4B_REF_SELECT (1 << 17)
+#define FSX4C_REF_SELECT (1 << 18)
+#define DDR_PLL_REF_SELECT (1 << 19)
+#define MIPS_PLL_REF_SELECT (1 << 20)
+
+/* Definitions for the QAM frequency select register FS432X4A4_QAM_CTL */
+#define QAM_FS_SDIV_SHIFT 29
+#define QAM_FS_MD_SHIFT 24
+#define QAM_FS_MD_MASK 0x1f /* Cut down to 5 bits */
+#define QAM_FS_PE_SHIFT 8
+
+#define QAM_FS_DISABLE_DIVIDE_BY_3 (1 << 5)
+#define QAM_FS_ENABLE_PROGRAM (1 << 4)
+#define QAM_FS_ENABLE_OUTPUT (1 << 3)
+#define QAM_FS_SELECT_TEST_BYPASS (1 << 2)
+#define QAM_FS_DISABLE_DIGITAL_STANDBY (1 << 1)
+#define QAM_FS_CHOOSE_FS (1 << 0)
+
+/* Definitions for fs432x4a_ctl register */
+#define QAM_FS_NSDIV_54MHZ (1 << 2)
+
+/* Definitions for bcm1_usb2_ctl register */
+#define BCM1_USB2_CTL_BISTOK (1 << 11)
+#define BCM1_USB2_CTL_PORT2_SHIFT_JK (1 << 7)
+#define BCM1_USB2_CTL_PORT1_SHIFT_JK (1 << 6)
+#define BCM1_USB2_CTL_PORT2_FAST_EDGE (1 << 5)
+#define BCM1_USB2_CTL_PORT1_FAST_EDGE (1 << 4)
+#define BCM1_USB2_CTL_EHCI_PRT_PWR_ACTIVE_HIGH (1 << 1)
+#define BCM1_USB2_CTL_APP_PRT_OVRCUR_IN_ACTIVE_HIGH (1 << 0)
+
+/* Definitions for crt_spare register */
+#define CRT_SPARE_PORT2_SHIFT_JK (1 << 21)
+#define CRT_SPARE_PORT1_SHIFT_JK (1 << 20)
+#define CRT_SPARE_PORT2_FAST_EDGE (1 << 19)
+#define CRT_SPARE_PORT1_FAST_EDGE (1 << 18)
+#define CRT_SPARE_DIVIDE_BY_9_FROM_432 (1 << 17)
+#define CRT_SPARE_USB_DIVIDE_BY_9 (1 << 16)
+
+/* Definitions for usb2_stbus_obc register */
+#define USB_STBUS_OBC_STORE32_LOAD32 0x3
+
+/* Definitions for usb2_stbus_mess_size register */
+#define USB2_STBUS_MESS_SIZE_2 0x1 /* 2 packets */
+
+/* Definitions for usb2_stbus_chunk_size register */
+#define USB2_STBUS_CHUNK_SIZE_2 0x1 /* 2 packets */
+
+/* Definitions for usb2_strap register */
+#define USB2_STRAP_HFREQ_SELECT 0x1
+
+/*
+ * USB Host Resource Definition
+ */
+
+static struct resource ehci_resources[] = {
+ {
+ .parent = &asic_resource,
+ .start = 0,
+ .end = 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = irq_usbehci,
+ .end = irq_usbehci,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 ehci_dmamask = 0xffffffffULL;
+
+static struct platform_device ehci_device = {
+ .name = "powertv-ehci",
+ .id = 0,
+ .num_resources = 2,
+ .resource = ehci_resources,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+};
+
+static struct resource ohci_resources[] = {
+ {
+ .parent = &asic_resource,
+ .start = 0,
+ .end = 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = irq_usbohci,
+ .end = irq_usbohci,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 ohci_dmamask = 0xffffffffULL;
+
+static struct platform_device ohci_device = {
+ .name = "powertv-ohci",
+ .id = 0,
+ .num_resources = 2,
+ .resource = ohci_resources,
+ .dev = {
+ .dma_mask = &ohci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+};
+
+static unsigned usb_users;
+static DEFINE_SPINLOCK(usb_regs_lock);
+
+/*
+ *
+ * fs_update - set frequency synthesizer for USB
+ * @pe_bits Phase tap setting
+ * @md_bits Coarse selector bus for algorithm of phase tap
+ * @sdiv_bits Output divider setting
+ * @disable_div_by_3 Either QAM_FS_DISABLE_DIVIDE_BY_3 or zero
+ * @standby Either QAM_FS_DISABLE_DIGITAL_STANDBY or zero
+ *
+ * QAM frequency selection code, which affects the frequency at which USB
+ * runs. The frequency is calculated as:
+ * 2^15 * ndiv * Fin
+ * Fout = ------------------------------------------------------------
+ * (sdiv * (ipe * (1 + md/32) - (ipe - 2^15)*(1 + (md + 1)/32)))
+ * where:
+ * Fin 54 MHz
+ * ndiv QAM_FS_NSDIV_54MHZ ? 8 : 16
+ * sdiv 1 << (sdiv_bits + 1)
+ * ipe Same as pe_bits
+ * md A five-bit, two's-complement integer (range [-16, 15]), which
+ * is the lower 5 bits of md_bits.
+ */
+static void fs_update(u32 pe_bits, int md_bits, u32 sdiv_bits,
+ u32 disable_div_by_3, u32 standby)
+{
+ u32 val;
+
+ val = ((sdiv_bits << QAM_FS_SDIV_SHIFT) |
+ ((md_bits & QAM_FS_MD_MASK) << QAM_FS_MD_SHIFT) |
+ (pe_bits << QAM_FS_PE_SHIFT) |
+ QAM_FS_ENABLE_OUTPUT |
+ standby |
+ disable_div_by_3);
+ asic_write(val, fs432x4b4_usb_ctl);
+ asic_write(val | QAM_FS_ENABLE_PROGRAM, fs432x4b4_usb_ctl);
+ asic_write(val | QAM_FS_ENABLE_PROGRAM | QAM_FS_CHOOSE_FS,
+ fs432x4b4_usb_ctl);
+}
+
+/*
+ * usb_eye_configure - for optimizing the shape USB eye waveform
+ * @set: Bits to set in the register
+ * @clear: Bits to clear in the register; each bit with a one will
+ * be set in the register, zero bits will not be modified
+ */
+static void usb_eye_configure(u32 set, u32 clear)
+{
+ u32 old;
+
+ old = asic_read(crt_spare);
+ old |= set;
+ old &= ~clear;
+ asic_write(old, crt_spare);
+}
+
+/*
+ * platform_configure_usb - usb configuration based on platform type.
+ */
+static void platform_configure_usb(void)
+{
+ u32 bcm1_usb2_ctl_value;
+ enum asic_type asic_type;
+ unsigned long flags;
+
+ spin_lock_irqsave(&usb_regs_lock, flags);
+ usb_users++;
+
+ if (usb_users != 1) {
+ spin_unlock_irqrestore(&usb_regs_lock, flags);
+ return;
+ }
+
+ asic_type = platform_get_asic();
+
+ switch (asic_type) {
+ case ASIC_ZEUS:
+ fs_update(0x0000, -15, 0x02, 0, 0);
+ bcm1_usb2_ctl_value = BCM1_USB2_CTL_EHCI_PRT_PWR_ACTIVE_HIGH |
+ BCM1_USB2_CTL_APP_PRT_OVRCUR_IN_ACTIVE_HIGH;
+ break;
+
+ case ASIC_CRONUS:
+ case ASIC_CRONUSLITE:
+ usb_eye_configure(0, CRT_SPARE_USB_DIVIDE_BY_9);
+ fs_update(0x8000, -14, 0x03, QAM_FS_DISABLE_DIVIDE_BY_3,
+ QAM_FS_DISABLE_DIGITAL_STANDBY);
+ bcm1_usb2_ctl_value = BCM1_USB2_CTL_EHCI_PRT_PWR_ACTIVE_HIGH |
+ BCM1_USB2_CTL_APP_PRT_OVRCUR_IN_ACTIVE_HIGH;
+ break;
+
+ case ASIC_CALLIOPE:
+ fs_update(0x0000, -15, 0x02, QAM_FS_DISABLE_DIVIDE_BY_3,
+ QAM_FS_DISABLE_DIGITAL_STANDBY);
+
+ switch (platform_get_family()) {
+ case FAMILY_1500VZE:
+ break;
+
+ case FAMILY_1500VZF:
+ usb_eye_configure(CRT_SPARE_PORT2_SHIFT_JK |
+ CRT_SPARE_PORT1_SHIFT_JK |
+ CRT_SPARE_PORT2_FAST_EDGE |
+ CRT_SPARE_PORT1_FAST_EDGE, 0);
+ break;
+
+ default:
+ usb_eye_configure(CRT_SPARE_PORT2_SHIFT_JK |
+ CRT_SPARE_PORT1_SHIFT_JK, 0);
+ break;
+ }
+
+ bcm1_usb2_ctl_value = BCM1_USB2_CTL_BISTOK |
+ BCM1_USB2_CTL_EHCI_PRT_PWR_ACTIVE_HIGH |
+ BCM1_USB2_CTL_APP_PRT_OVRCUR_IN_ACTIVE_HIGH;
+ break;
+
+ case ASIC_GAIA:
+ fs_update(0x8000, -14, 0x03, QAM_FS_DISABLE_DIVIDE_BY_3,
+ QAM_FS_DISABLE_DIGITAL_STANDBY);
+ bcm1_usb2_ctl_value = BCM1_USB2_CTL_BISTOK |
+ BCM1_USB2_CTL_EHCI_PRT_PWR_ACTIVE_HIGH |
+ BCM1_USB2_CTL_APP_PRT_OVRCUR_IN_ACTIVE_HIGH;
+ break;
+
+ default:
+ pr_err("Unknown ASIC type: %d\n", asic_type);
+ bcm1_usb2_ctl_value = 0;
+ break;
+ }
+
+ /* turn on USB power */
+ asic_write(0, usb2_strap);
+ /* Enable all OHCI interrupts */
+ asic_write(bcm1_usb2_ctl_value, usb2_control);
+ /* usb2_stbus_obc store32/load32 */
+ asic_write(USB_STBUS_OBC_STORE32_LOAD32, usb2_stbus_obc);
+ /* usb2_stbus_mess_size 2 packets */
+ asic_write(USB2_STBUS_MESS_SIZE_2, usb2_stbus_mess_size);
+ /* usb2_stbus_chunk_size 2 packets */
+ asic_write(USB2_STBUS_CHUNK_SIZE_2, usb2_stbus_chunk_size);
+ spin_unlock_irqrestore(&usb_regs_lock, flags);
+}
+
+static void platform_unconfigure_usb(void)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&usb_regs_lock, flags);
+ usb_users--;
+ if (usb_users == 0)
+ asic_write(USB2_STRAP_HFREQ_SELECT, usb2_strap);
+ spin_unlock_irqrestore(&usb_regs_lock, flags);
+}
+
+/*
+ * Set up the USB EHCI interface
+ */
+void platform_configure_usb_ehci()
+{
+ platform_configure_usb();
+}
+EXPORT_SYMBOL(platform_configure_usb_ehci);
+
+/*
+ * Set up the USB OHCI interface
+ */
+void platform_configure_usb_ohci()
+{
+ platform_configure_usb();
+}
+EXPORT_SYMBOL(platform_configure_usb_ohci);
+
+/*
+ * Shut the USB EHCI interface down
+ */
+void platform_unconfigure_usb_ehci()
+{
+ platform_unconfigure_usb();
+}
+EXPORT_SYMBOL(platform_unconfigure_usb_ehci);
+
+/*
+ * Shut the USB OHCI interface down
+ */
+void platform_unconfigure_usb_ohci()
+{
+ platform_unconfigure_usb();
+}
+EXPORT_SYMBOL(platform_unconfigure_usb_ohci);
+
+/**
+ * platform_devices_init - sets up USB device resourse.
+ */
+int __init platform_usb_devices_init(struct platform_device **ehci_dev,
+ struct platform_device **ohci_dev)
+{
+ *ehci_dev = &ehci_device;
+ ehci_resources[0].start = asic_reg_phys_addr(ehci_hcapbase);
+ ehci_resources[0].end += ehci_resources[0].start;
+
+ *ohci_dev = &ohci_device;
+ ohci_resources[0].start = asic_reg_phys_addr(ohci_hc_revision);
+ ohci_resources[0].end += ohci_resources[0].start;
+
+ return 0;
+}
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