diff options
Diffstat (limited to 'src/drivers/usb')
| -rw-r--r-- | src/drivers/usb/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/drivers/usb/ehci_debug.c | 81 | ||||
| -rw-r--r-- | src/drivers/usb/pci_ehci.c | 4 |
3 files changed, 53 insertions, 33 deletions
diff --git a/src/drivers/usb/Makefile.inc b/src/drivers/usb/Makefile.inc index ff9a12462b..6c46f045a5 100644 --- a/src/drivers/usb/Makefile.inc +++ b/src/drivers/usb/Makefile.inc @@ -1,3 +1,4 @@ romstage-$(CONFIG_USBDEBUG_IN_ROMSTAGE) += ehci_debug.c pci_ehci.c console.c gadget.c +postcar-$(CONFIG_USBDEBUG_IN_ROMSTAGE) += ehci_debug.c console.c ramstage-$(CONFIG_USBDEBUG) += ehci_debug.c pci_ehci.c console.c gadget.c diff --git a/src/drivers/usb/ehci_debug.c b/src/drivers/usb/ehci_debug.c index 9491a8ffbe..fcc52230c9 100644 --- a/src/drivers/usb/ehci_debug.c +++ b/src/drivers/usb/ehci_debug.c @@ -599,13 +599,11 @@ next_debug_port: return -10; } -#if IS_ENABLED(CONFIG_DEBUG_USBDEBUG) static int dbgp_enabled(void) { struct dbgp_pipe *globals = &dbgp_ehci_info()->ep_pipe[DBGP_SETUP_EP0]; return (globals->status & DBGP_EP_ENABLED); } -#endif int dbgp_try_get(struct dbgp_pipe *pipe) { @@ -624,7 +622,7 @@ void dbgp_put(struct dbgp_pipe *pipe) pipe->status &= ~DBGP_EP_BUSY; } -#if !defined(__PRE_RAM__) && !defined(__SMM__) +#if ENV_RAMSTAGE void usbdebug_re_enable(unsigned ehci_base) { struct ehci_debug_info *dbg_info = dbgp_ehci_info(); @@ -650,36 +648,55 @@ void usbdebug_disable(void) #endif -#if !defined(__PRE_RAM__) && !defined(__SMM__) -static int get_usbdebug_from_cbmem(struct ehci_debug_info *info) +static int usbdebug_hw_init(void) { - struct ehci_debug_info *dbg_info_cbmem; + struct ehci_debug_info *dbg_info = dbgp_ehci_info(); + unsigned int ehci_base, dbg_offset; - dbg_info_cbmem = cbmem_find(CBMEM_ID_EHCI_DEBUG); - if (dbg_info_cbmem == NULL) + if (ehci_debug_hw_enable(&ehci_base, &dbg_offset)) return -1; - - memcpy(info, dbg_info_cbmem, sizeof (*info)); - printk(BIOS_DEBUG, "EHCI debug port found in CBMEM.\n"); - - return 0; + return usbdebug_init_(ehci_base, dbg_offset, dbg_info); } -#elif defined(__PRE_RAM__) static void migrate_ehci_debug(int is_recovery) { - struct ehci_debug_info *dbg_info = dbgp_ehci_info(); struct ehci_debug_info *dbg_info_cbmem; - - dbg_info_cbmem = cbmem_add(CBMEM_ID_EHCI_DEBUG, sizeof(*dbg_info)); - if (dbg_info_cbmem == NULL) + int rv; + + if (ENV_ROMSTAGE) { + /* Move state from CAR to CBMEM. */ + struct ehci_debug_info *dbg_info = dbgp_ehci_info(); + dbg_info_cbmem = cbmem_add(CBMEM_ID_EHCI_DEBUG, + sizeof(*dbg_info)); + if (dbg_info_cbmem == NULL) + return; + memcpy(dbg_info_cbmem, dbg_info, sizeof(*dbg_info)); + car_set_var(glob_dbg_info_p, dbg_info_cbmem); return; + } + + if (IS_ENABLED(CONFIG_USBDEBUG_IN_ROMSTAGE)) { + /* Use state in CBMEM. */ + dbg_info_cbmem = cbmem_find(CBMEM_ID_EHCI_DEBUG); + if (dbg_info_cbmem) + car_set_var(glob_dbg_info_p, dbg_info_cbmem); + } + + /* Redo full init in ramstage if state claims we + * are still not enabled. Should never happen. */ + rv = dbgp_enabled() ? 0 : -1; + if (!ENV_POSTCAR && rv < 0) + rv = usbdebug_hw_init(); - memcpy(dbg_info_cbmem, dbg_info, sizeof(*dbg_info)); - car_set_var(glob_dbg_info_p, dbg_info_cbmem); + if (rv < 0) + printk(BIOS_DEBUG, "usbdebug: Failed hardware init\n"); + else + printk(BIOS_DEBUG, "usbdebug: " ENV_STRING " starting...\n"); } + ROMSTAGE_CBMEM_INIT_HOOK(migrate_ehci_debug); -#endif +POSTCAR_CBMEM_INIT_HOOK(migrate_ehci_debug); +RAMSTAGE_CBMEM_INIT_HOOK(migrate_ehci_debug); int dbgp_ep_is_active(struct dbgp_pipe *pipe) { @@ -696,16 +713,18 @@ struct dbgp_pipe *dbgp_console_input(void) return &dbgp_ehci_info()->ep_pipe[DBGP_CONSOLE_EPIN]; } -int usbdebug_init(void) +void usbdebug_init(void) { - struct ehci_debug_info *dbg_info = dbgp_ehci_info(); - unsigned int ehci_base, dbg_offset; + /* USB console init is done early in romstage, yet delayed to + * CBMEM_INIT_HOOKs for postcar and ramstage as we recover state + * from CBMEM. + */ + if (IS_ENABLED(CONFIG_USBDEBUG_IN_ROMSTAGE) && ENV_ROMSTAGE) + usbdebug_hw_init(); -#if !defined(__PRE_RAM__) && !defined(__SMM__) - if (!get_usbdebug_from_cbmem(dbg_info)) - return 0; -#endif - if (ehci_debug_hw_enable(&ehci_base, &dbg_offset)) - return -1; - return usbdebug_init_(ehci_base, dbg_offset, dbg_info); + /* USB console init is done early in ramstage if it was + * not done in romstage, this does not require CBMEM. + */ + if (!IS_ENABLED(CONFIG_USBDEBUG_IN_ROMSTAGE) && ENV_RAMSTAGE) + usbdebug_hw_init(); } diff --git a/src/drivers/usb/pci_ehci.c b/src/drivers/usb/pci_ehci.c index 73c709cdd8..3bdeeebadc 100644 --- a/src/drivers/usb/pci_ehci.c +++ b/src/drivers/usb/pci_ehci.c @@ -25,7 +25,7 @@ #include "ehci_debug.h" #include "ehci.h" -#if !defined(__PRE_RAM__) && !defined(__SMM__) +#if ENV_RAMSTAGE static struct device_operations *ehci_drv_ops; static struct device_operations ehci_dbg_ops; #endif @@ -81,7 +81,7 @@ void ehci_debug_select_port(unsigned int port) pci_ehci_dbg_set_port(dbg_dev, port); } -#if !defined(__PRE_RAM__) && !defined(__SMM__) +#if ENV_RAMSTAGE static void pci_ehci_set_resources(struct device *dev) { struct resource *res; |