GitHub-Mirror/u-boot
2
0
Fork 0
mirror of https://github.com/Fishwaldo/u-boot.git synced 2025-03-31 19:41:46 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

drivers:usb: Add device-tree fixup to identify socs having dual phy

Browse source 
Identify soc(s) having dual phy so as to add "utmi_dual" as phy_mode
for all these socs. This is required for supporting deel-sleep feature
in linux for usb driver

Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Nikhil Badola 2015-03-11 15:44:23 +05:30 • committed by York Sun
parent 98cb0efde8
commit 0c77106095
2 changed files with 38 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/usb/host/ehci-fsl.c
View file

@ -259,7 +259,7 @@ static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,
void fdt_fixup_dr_usb(void *blob, bd_t *bd) void fdt_fixup_dr_usb(void *blob, bd_t *bd)
{ {
static const char * const modes[] = { "host", "peripheral", "otg" }; static const char * const modes[] = { "host", "peripheral", "otg" };
static const char * const phys[] = { "ulpi", "utmi" }; static const char * const phys[] = { "ulpi", "utmi", "utmi_dual" };
int usb_erratum_a006261_off = -1; int usb_erratum_a006261_off = -1;
int usb_erratum_a007075_off = -1; int usb_erratum_a007075_off = -1;
int usb_erratum_a007792_off = -1; int usb_erratum_a007792_off = -1;
@ -303,6 +303,9 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
dr_phy_type = phys[phy_idx]; dr_phy_type = phys[phy_idx];
} }
if (has_dual_phy())
dr_phy_type = phys[2];
usb_mode_off = fdt_fixup_usb_mode_phy_type(blob, usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
dr_mode_type, NULL, dr_mode_type, NULL,
usb_mode_off); usb_mode_off);
@ -325,6 +328,7 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
if (usb_erratum_a006261_off < 0) if (usb_erratum_a006261_off < 0)
return; return;
} }
if (has_erratum_a007075()) { if (has_erratum_a007075()) {
usb_erratum_a007075_off = fdt_fixup_usb_erratum usb_erratum_a007075_off = fdt_fixup_usb_erratum
(blob, (blob,
@ -333,6 +337,7 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
if (usb_erratum_a007075_off < 0) if (usb_erratum_a007075_off < 0)
return; return;
} }
if (has_erratum_a007792()) { if (has_erratum_a007792()) {
usb_erratum_a007792_off = fdt_fixup_usb_erratum usb_erratum_a007792_off = fdt_fixup_usb_erratum
(blob, (blob,

32
include/fsl_usb.h
View file

@ -87,6 +87,33 @@ struct ccsr_usb_phy {
/* USB Erratum Checking code */ /* USB Erratum Checking code */
#ifdef CONFIG_PPC #ifdef CONFIG_PPC
static inline bool has_dual_phy(void)
{
u32 svr = get_svr();
u32 soc = SVR_SOC_VER(svr);
switch (soc) {
case SVR_T1023:
case SVR_T1024:
case SVR_T1013:
case SVR_T1014:
return IS_SVR_REV(svr, 1, 0);
case SVR_T1040:
case SVR_T1042:
case SVR_T1020:
case SVR_T1022:
case SVR_T2080:
case SVR_T2081:
return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1);
case SVR_T4240:
case SVR_T4160:
case SVR_T4080:
return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0);
}
return false;
}
static inline bool has_erratum_a006261(void) static inline bool has_erratum_a006261(void)
{ {
u32 svr = get_svr(); u32 svr = get_svr();
@ -165,6 +192,11 @@ static inline bool has_erratum_a007792(void)
} }
#else #else
static inline bool has_dual_phy(void)
{
return false;
}
static inline bool has_erratum_a006261(void) static inline bool has_erratum_a006261(void)
{ {
return false; return false;