lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ARM: OMAP: Sync core code with linux-omap

Browse Source 
This patch syncs omap specific core code with linux-omap.
Most of the changes are needed to fix bitrot caused by
driver updates in linux-omap tree.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Tony Lindgren
2006-12-07 13:58:10 -08:00
committed by Russell King
parent f4e4c324a5
commit c40fae9525
15 changed files with 470 additions and 135 deletions
Download Patch File Download Diff File Expand all files Collapse all files

199
arch/arm/plat-omap/usb.c
View File

@ -37,9 +37,27 @@
#include <asm/arch/usb.h>
#include <asm/arch/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.
* Call omap_usb_init() once, from INIT_MACHINE().
*
* Some board-*.c files will need to set up additional mux options,
* like for suspend handling, vbus sensing, GPIOs, and the D+ pullup.
@ -96,19 +114,26 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
{
u32 syscon1 = 0;
if (cpu_is_omap24xx())
CONTROL_DEVCONF_REG &= ~USBT0WRMODEI(USB_BIDIR_TLL);
if (nwires == 0) {
if (!cpu_is_omap15xx()) {
if (cpu_class_is_omap1() && !cpu_is_omap15xx()) {
/* pulldown D+/D- */
USB_TRANSCEIVER_CTRL_REG &= ~(3 << 1);
}
return 0;
}
if (is_device)
omap_cfg_reg(W4_USB_PUEN);
if (is_device) {
if (cpu_is_omap24xx())
omap_cfg_reg(J20_24XX_USB0_PUEN);
else
omap_cfg_reg(W4_USB_PUEN);
}
/* internal transceiver */
if (nwires == 2) {
/* internal transceiver (unavailable on 17xx, 24xx) */
if (!cpu_class_is_omap2() && nwires == 2) {
// omap_cfg_reg(P9_USB_DP);
// omap_cfg_reg(R8_USB_DM);
@ -136,29 +161,50 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
return 0;
}
omap_cfg_reg(V6_USB0_TXD);
omap_cfg_reg(W9_USB0_TXEN);
omap_cfg_reg(W5_USB0_SE0);
if (cpu_is_omap24xx()) {
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);
} else {
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 */
/* 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 detction.
*/
if (nwires != 3)
omap_cfg_reg(Y5_USB0_RCV);
if (nwires != 6)
if (cpu_class_is_omap1() && nwires != 6)
USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R;
switch (nwires) {
case 3:
syscon1 = 2;
if (cpu_is_omap24xx())
CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR);
break;
case 4:
syscon1 = 1;
if (cpu_is_omap24xx())
CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR);
break;
case 6:
syscon1 = 3;
omap_cfg_reg(AA9_USB0_VP);
omap_cfg_reg(R9_USB0_VM);
USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
if (cpu_is_omap24xx()) {
omap_cfg_reg(J19_24XX_USB0_VP);
omap_cfg_reg(K20_24XX_USB0_VM);
CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_UNIDIR);
} else {
omap_cfg_reg(AA9_USB0_VP);
omap_cfg_reg(R9_USB0_VM);
USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
}
break;
default:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
@ -171,14 +217,22 @@ static u32 __init omap_usb1_init(unsigned nwires)
{
u32 syscon1 = 0;
if (nwires != 6 && !cpu_is_omap15xx())
if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6)
USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB1_UNI_R;
if (cpu_is_omap24xx())
CONTROL_DEVCONF_REG &= ~USBT1WRMODEI(USB_BIDIR_TLL);
if (nwires == 0)
return 0;
/* external transceiver */
omap_cfg_reg(USB1_TXD);
omap_cfg_reg(USB1_TXEN);
if (cpu_class_is_omap1()) {
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);
@ -190,20 +244,38 @@ static u32 __init omap_usb1_init(unsigned nwires)
} else if (cpu_is_omap1710()) {
omap_cfg_reg(R13_1710_USB1_SE0);
// SUSP
} else if (cpu_is_omap24xx()) {
/* NOTE: board-specific code must set up pin muxing for usb1,
* since each signal could come out on either of two balls.
*/
} else {
pr_debug("usb unrecognized\n");
pr_debug("usb%d cpu unrecognized\n", 1);
return 0;
}
if (nwires != 3)
omap_cfg_reg(USB1_RCV);
switch (nwires) {
case 2:
if (!cpu_is_omap24xx())
goto bad;
/* NOTE: board-specific code must override this setting if
* this TLL link is not using DP/DM
*/
syscon1 = 1;
CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR_TLL);
break;
case 3:
syscon1 = 2;
if (cpu_is_omap24xx())
CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR);
break;
case 4:
syscon1 = 1;
if (cpu_is_omap24xx())
CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR);
break;
case 6:
if (cpu_is_omap24xx())
goto bad;
syscon1 = 3;
omap_cfg_reg(USB1_VP);
omap_cfg_reg(USB1_VM);
@ -211,6 +283,7 @@ static u32 __init omap_usb1_init(unsigned nwires)
USB_TRANSCEIVER_CTRL_REG |= CONF_USB1_UNI_R;
break;
default:
bad:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
1, nwires);
}
@ -221,10 +294,17 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
{
u32 syscon1 = 0;
/* NOTE erratum: must leave USB2_UNI_R set if usb0 in use */
if (cpu_is_omap24xx()) {
CONTROL_DEVCONF_REG &= ~(USBT2WRMODEI(USB_BIDIR_TLL)
| USBT2TLL5PI);
alt_pingroup = 0;
}
/* NOTE omap1 erratum: must leave USB2_UNI_R set if usb0 in use */
if (alt_pingroup || nwires == 0)
return 0;
if (nwires != 6 && !cpu_is_omap15xx())
if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6)
USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R;
/* external transceiver */
@ -242,19 +322,54 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
if (nwires != 3)
omap_cfg_reg(Y5_USB2_RCV);
// FIXME omap_cfg_reg(USB2_SPEED);
} else if (cpu_is_omap24xx()) {
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);
} else {
pr_debug("usb unrecognized\n");
pr_debug("usb%d cpu unrecognized\n", 1);
return 0;
}
// omap_cfg_reg(USB2_SUSP);
// if (cpu_class_is_omap1()) omap_cfg_reg(USB2_SUSP);
switch (nwires) {
case 2:
if (!cpu_is_omap24xx())
goto bad;
/* NOTE: board-specific code must override this setting if
* this TLL link is not using DP/DM
*/
syscon1 = 1;
CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR_TLL);
break;
case 3:
syscon1 = 2;
if (cpu_is_omap24xx())
CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR);
break;
case 4:
syscon1 = 1;
if (cpu_is_omap24xx())
CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR);
break;
case 5:
if (!cpu_is_omap24xx())
goto bad;
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;
CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_UNIDIR_TLL)
| USBT2TLL5PI;
break;
case 6:
if (cpu_is_omap24xx())
goto bad;
syscon1 = 3;
if (cpu_is_omap15xx()) {
omap_cfg_reg(USB2_VP);
@ -266,6 +381,7 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
}
break;
default:
bad:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
2, nwires);
}
@ -294,13 +410,13 @@ static struct resource udc_resources[] = {
.end = UDC_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, { /* general IRQ */
.start = IH2_BASE + 20,
.start = INT_USB_IRQ_GEN,
.flags = IORESOURCE_IRQ,
}, { /* PIO IRQ */
.start = IH2_BASE + 30,
.start = INT_USB_IRQ_NISO,
.flags = IORESOURCE_IRQ,
}, { /* SOF IRQ */
.start = IH2_BASE + 29,
.start = INT_USB_IRQ_ISO,
.flags = IORESOURCE_IRQ,
},
};
@ -329,11 +445,11 @@ static u64 ohci_dmamask = ~(u32)0;
static struct resource ohci_resources[] = {
{
.start = OMAP_OHCI_BASE,
.end = OMAP_OHCI_BASE + 4096 - 1,
.end = OMAP_OHCI_BASE + 0xff,
.flags = IORESOURCE_MEM,
},
{
.start = INT_USB_HHC_1,
.start = INT_USB_IRQ_HGEN,
.flags = IORESOURCE_IRQ,
},
};
@ -361,7 +477,7 @@ static struct resource otg_resources[] = {
.end = OTG_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, {
.start = IH2_BASE + 8,
.start = INT_USB_IRQ_OTG,
.flags = IORESOURCE_IRQ,
},
};
@ -385,7 +501,7 @@ static struct platform_device otg_device = {
// FIXME correct answer depends on hmc_mode,
// as does any nonzero value for config->otg port number
// as does (on omap1) any nonzero value for config->otg port number
#ifdef CONFIG_USB_GADGET_OMAP
#define is_usb0_device(config) 1
#else
@ -426,12 +542,13 @@ omap_otg_init(struct omap_usb_config *config)
if (config->otg)
syscon |= OTG_EN;
#endif
pr_debug("USB_TRANSCEIVER_CTRL_REG = %03x\n", USB_TRANSCEIVER_CTRL_REG);
if (cpu_class_is_omap1())
pr_debug("USB_TRANSCEIVER_CTRL_REG = %03x\n", USB_TRANSCEIVER_CTRL_REG);
pr_debug("OTG_SYSCON_2_REG = %08x\n", syscon);
OTG_SYSCON_2_REG = syscon;
printk("USB: hmc %d", config->hmc_mode);
if (alt_pingroup)
if (!alt_pingroup)
printk(", usb2 alt %d wires", config->pins[2]);
else if (config->pins[0])
printk(", usb0 %d wires%s", config->pins[0],
@ -444,10 +561,12 @@ omap_otg_init(struct omap_usb_config *config)
printk(", Mini-AB on usb%d", config->otg - 1);
printk("\n");
/* leave USB clocks/controllers off until needed */
ULPD_SOFT_REQ_REG &= ~SOFT_USB_CLK_REQ;
ULPD_CLOCK_CTRL_REG &= ~USB_MCLK_EN;
ULPD_CLOCK_CTRL_REG |= DIS_USB_PVCI_CLK;
if (cpu_class_is_omap1()) {
/* leave USB clocks/controllers off until needed */
ULPD_SOFT_REQ_REG &= ~SOFT_USB_CLK_REQ;
ULPD_CLOCK_CTRL_REG &= ~USB_MCLK_EN;
ULPD_CLOCK_CTRL_REG |= DIS_USB_PVCI_CLK;
}
syscon = OTG_SYSCON_1_REG;
syscon |= HST_IDLE_EN|DEV_IDLE_EN|OTG_IDLE_EN;
@ -585,7 +704,7 @@ omap_usb_init(void)
}
platform_data = *config;
if (cpu_is_omap730() || cpu_is_omap16xx())
if (cpu_is_omap730() || cpu_is_omap16xx() || cpu_is_omap24xx())
omap_otg_init(&platform_data);
else if (cpu_is_omap15xx())
omap_1510_usb_init(&platform_data);