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omap: Move omap2 FS USB platform init code into mach-omap2/usb-fs.c

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Move omap2 FS USB platform init code into mach-omap2/usb-fs.c. This will
allow further work later on to use omap hwmod for initializing the
device.

Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren
2010-07-05 16:31:29 +03:00
parent dba638d22d
commit b5e8905bcd
8 changed files with 429 additions and 206 deletions
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267
arch/arm/plat-omap/usb.c
View File

@ -38,25 +38,12 @@
#include <plat/usb.h>
#include <plat/board.h>
#ifdef CONFIG_ARCH_OMAP1
#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
#else
#define INT_USB_IRQ_GEN INT_24XX_USB_IRQ_GEN
#define INT_USB_IRQ_NISO INT_24XX_USB_IRQ_NISO
#define INT_USB_IRQ_ISO INT_24XX_USB_IRQ_ISO
#define INT_USB_IRQ_HGEN INT_24XX_USB_IRQ_HGEN
#define INT_USB_IRQ_OTG INT_24XX_USB_IRQ_OTG
#endif
/* These routines should handle the standard chip-specific modes
* for usb0/1/2 ports, covering basic mux and transceiver setup.
*
@ -79,90 +66,10 @@
#if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_ARCH_OMAP15XX)
static void omap2_usb_devconf_clear(u8 port, u32 mask)
{
u32 r;
r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
r &= ~USBTXWRMODEI(port, mask);
omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0);
}
static void omap2_usb_devconf_set(u8 port, u32 mask)
{
u32 r;
r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
r |= USBTXWRMODEI(port, mask);
omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0);
}
static void omap2_usb2_disable_5pinbitll(void)
{
u32 r;
r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
r &= ~(USBTXWRMODEI(2, USB_BIDIR_TLL) | USBT2TLL5PI);
omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0);
}
static void omap2_usb2_enable_5pinunitll(void)
{
u32 r;
r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
r |= USBTXWRMODEI(2, USB_UNIDIR_TLL) | USBT2TLL5PI;
omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0);
}
static u32 __init omap2_usb0_init(unsigned nwires, unsigned is_device)
{
u32 syscon1 = 0;
omap2_usb_devconf_clear(0, USB_BIDIR_TLL);
if (nwires == 0)
return 0;
if (is_device)
omap_cfg_reg(J20_24XX_USB0_PUEN);
omap_cfg_reg(K18_24XX_USB0_DAT);
omap_cfg_reg(K19_24XX_USB0_TXEN);
omap_cfg_reg(J14_24XX_USB0_SE0);
if (nwires != 3)
omap_cfg_reg(J18_24XX_USB0_RCV);
switch (nwires) {
case 3:
syscon1 = 2;
omap2_usb_devconf_set(0, USB_BIDIR);
break;
case 4:
syscon1 = 1;
omap2_usb_devconf_set(0, USB_BIDIR);
break;
case 6:
syscon1 = 3;
omap_cfg_reg(J19_24XX_USB0_VP);
omap_cfg_reg(K20_24XX_USB0_VM);
omap2_usb_devconf_set(0, USB_UNIDIR);
break;
default:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
0, nwires);
}
return syscon1 << 16;
}
static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
{
u32 syscon1 = 0;
if (cpu_is_omap24xx())
return omap2_usb0_init(nwires, is_device);
if (nwires == 0) {
if (!cpu_is_omap15xx()) {
u32 l;
@ -266,51 +173,10 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
return syscon1 << 16;
}
static u32 __init omap2_usb1_init(unsigned nwires)
{
u32 syscon1 = 0;
omap2_usb_devconf_clear(1, USB_BIDIR_TLL);
if (nwires == 0)
return 0;
/* NOTE: board-specific code must set up pin muxing for usb1,
* since each signal could come out on either of two balls.
*/
switch (nwires) {
case 2:
/* NOTE: board-specific code must override this setting if
* this TLL link is not using DP/DM
*/
syscon1 = 1;
omap2_usb_devconf_set(1, USB_BIDIR_TLL);
break;
case 3:
syscon1 = 2;
omap2_usb_devconf_set(1, USB_BIDIR);
break;
case 4:
syscon1 = 1;
omap2_usb_devconf_set(1, USB_BIDIR);
break;
case 6:
default:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
1, nwires);
}
return syscon1 << 20;
}
static u32 __init omap_usb1_init(unsigned nwires)
{
u32 syscon1 = 0;
if (cpu_is_omap24xx())
return omap2_usb1_init(nwires);
if (!cpu_is_omap15xx() && nwires != 6) {
u32 l;
@ -372,65 +238,10 @@ bad:
return syscon1 << 20;
}
static u32 __init omap2_usb2_init(unsigned nwires, unsigned alt_pingroup)
{
u32 syscon1 = 0;
omap2_usb2_disable_5pinbitll();
alt_pingroup = 0;
/* NOTE omap1 erratum: must leave USB2_UNI_R set if usb0 in use */
if (alt_pingroup || nwires == 0)
return 0;
omap_cfg_reg(Y11_24XX_USB2_DAT);
omap_cfg_reg(AA10_24XX_USB2_SE0);
if (nwires > 2)
omap_cfg_reg(AA12_24XX_USB2_TXEN);
if (nwires > 3)
omap_cfg_reg(AA6_24XX_USB2_RCV);
switch (nwires) {
case 2:
/* NOTE: board-specific code must override this setting if
* this TLL link is not using DP/DM
*/
syscon1 = 1;
omap2_usb_devconf_set(2, USB_BIDIR_TLL);
break;
case 3:
syscon1 = 2;
omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 4:
syscon1 = 1;
omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 5:
omap_cfg_reg(AA4_24XX_USB2_TLLSE0);
/* NOTE: board-specific code must override this setting if
* this TLL link is not using DP/DM. Something must also
* set up OTG_SYSCON2.HMC_TLL{ATTACH,SPEED}
*/
syscon1 = 3;
omap2_usb2_enable_5pinunitll();
break;
case 6:
default:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
2, nwires);
}
return syscon1 << 24;
}
static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
{
u32 syscon1 = 0;
if (cpu_is_omap24xx())
return omap2_usb2_init(nwires, alt_pingroup);
/* NOTE omap1 erratum: must leave USB2_UNI_R set if usb0 in use */
if (alt_pingroup || nwires == 0)
return 0;
@ -498,6 +309,10 @@ bad:
return syscon1 << 24;
}
#else
#define omap_usb0_init NULL
#define omap_usb1_init NULL
#define omap_usb2_init NULL
#endif
/*-------------------------------------------------------------------------*/
@ -535,6 +350,17 @@ static struct platform_device udc_device = {
.resource = udc_resources,
};
static inline void udc_device_init(struct omap_usb_config *pdata)
{
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)
@ -565,6 +391,17 @@ static struct platform_device ohci_device = {
.resource = ohci_resources,
};
static inline void ohci_device_init(struct omap_usb_config *pdata)
{
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)
@ -588,6 +425,17 @@ static struct platform_device otg_device = {
.resource = otg_resources,
};
static inline void otg_device_init(struct omap_usb_config *pdata)
{
pdata->otg_device = &otg_device;
}
#else
static inline void otg_device_init(struct omap_usb_config *pdata)
{
}
#endif
/*-------------------------------------------------------------------------*/
@ -622,9 +470,9 @@ omap_otg_init(struct omap_usb_config *config)
/* pin muxing and transceiver pinouts */
if (config->pins[0] > 2) /* alt pingroup 2 */
alt_pingroup = 1;
syscon |= omap_usb0_init(config->pins[0], is_usb0_device(config));
syscon |= omap_usb1_init(config->pins[1]);
syscon |= omap_usb2_init(config->pins[2], alt_pingroup);
syscon |= config->usb0_init(config->pins[0], is_usb0_device(config));
syscon |= config->usb1_init(config->pins[1]);
syscon |= config->usb2_init(config->pins[2], alt_pingroup);
pr_debug("OTG_SYSCON_1 = %08x\n", omap_readl(OTG_SYSCON_1));
omap_writel(syscon, OTG_SYSCON_1);
@ -672,15 +520,17 @@ omap_otg_init(struct omap_usb_config *config)
#ifdef CONFIG_USB_GADGET_OMAP
if (config->otg || config->register_dev) {
struct platform_device *udc_device = config->udc_device;
syscon &= ~DEV_IDLE_EN;
udc_device.dev.platform_data = config;
udc_device->dev.platform_data = config;
/* 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;
}
status = platform_device_register(&udc_device);
status = platform_device_register(udc_device);
if (status)
pr_debug("can't register UDC device, %d\n", status);
}
@ -688,11 +538,13 @@ omap_otg_init(struct omap_usb_config *config)
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
if (config->otg || config->register_host) {
struct platform_device *ohci_device = config->ohci_device;
syscon &= ~HST_IDLE_EN;
ohci_device.dev.platform_data = config;
ohci_device->dev.platform_data = config;
if (cpu_is_omap7xx())
ohci_resources[1].start = INT_7XX_USB_HHC_1;
status = platform_device_register(&ohci_device);
status = platform_device_register(ohci_device);
if (status)
pr_debug("can't register OHCI device, %d\n", status);
}
@ -700,11 +552,13 @@ omap_otg_init(struct omap_usb_config *config)
#ifdef CONFIG_USB_OTG
if (config->otg) {
struct platform_device *otg_device = config->otg_device;
syscon &= ~OTG_IDLE_EN;
otg_device.dev.platform_data = config;
otg_device->dev.platform_data = config;
if (cpu_is_omap7xx())
otg_resources[1].start = INT_7XX_USB_OTG;
status = platform_device_register(&otg_device);
status = platform_device_register(otg_device);
if (status)
pr_debug("can't register OTG device, %d\n", status);
}
@ -716,7 +570,7 @@ omap_otg_init(struct omap_usb_config *config)
}
#else
static inline void omap_otg_init(struct omap_usb_config *config) {}
void omap_otg_init(struct omap_usb_config *config) {}
#endif
/*-------------------------------------------------------------------------*/
@ -737,9 +591,9 @@ static void __init omap_1510_usb_init(struct omap_usb_config *config)
unsigned int val;
u16 w;
omap_usb0_init(config->pins[0], is_usb0_device(config));
omap_usb1_init(config->pins[1]);
omap_usb2_init(config->pins[2], 0);
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);
@ -807,7 +661,14 @@ static inline void omap_1510_usb_init(struct omap_usb_config *config) {}
void __init omap_usb_init(struct omap_usb_config *pdata)
{
if (cpu_is_omap7xx() || cpu_is_omap16xx() || cpu_is_omap24xx())
pdata->usb0_init = omap_usb0_init;
pdata->usb1_init = omap_usb1_init;
pdata->usb2_init = omap_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);