diff options
| author | Stefan Reinauer <reinauer@chromium.org> | 2013-05-02 16:16:41 -0700 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2013-11-25 23:31:52 +0100 |
| commit | 8992e53c23cb088efbdafbf3e2ba77e7d8778d71 (patch) | |
| tree | 1eba559ee986c4994b63e75d9647fc733ae833f6 /payloads/libpayload/drivers/usb/ehci.c | |
| parent | 441a4baf87ada2608a109a203a5d8040f6dc2b0d (diff) | |
| download | coreboot-8992e53c23cb088efbdafbf3e2ba77e7d8778d71.tar.xz | |
libpayload: Add USB support for non-PCI controllers
Restructure USB stack to not depend on PCI, and
make PCI stub available on x86, but provide fixed
BARs for ARM (Exynos 5)
Change-Id: Iee7c8b134c22b661a9a515e24943470c9dbadd1f
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/49970
Reviewed-on: http://review.coreboot.org/4175
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'payloads/libpayload/drivers/usb/ehci.c')
| -rw-r--r-- | payloads/libpayload/drivers/usb/ehci.c | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/payloads/libpayload/drivers/usb/ehci.c b/payloads/libpayload/drivers/usb/ehci.c index f5c14d5031..e61e806345 100644 --- a/payloads/libpayload/drivers/usb/ehci.c +++ b/payloads/libpayload/drivers/usb/ehci.c @@ -69,7 +69,7 @@ static void dump_td(u32 addr) usb_debug("+---------------------------------------------------+\n"); } -#ifdef USB_DEBUG +#if 0 && defined(USB_DEBUG) static void dump_qh(ehci_qh_t *cur) { qtd_t *tmp_qtd = NULL; @@ -724,7 +724,7 @@ static u8 *ehci_poll_intr_queue(void *const queue) } hci_t * -ehci_init (pcidev_t addr) +ehci_init (void *bar) { int i; hci_t *controller = new_controller (); @@ -736,15 +736,6 @@ ehci_init (pcidev_t addr) if(!controller->instance) fatal("Not enough memory creating USB controller instance.\n"); -#define PCI_COMMAND 4 -#define PCI_COMMAND_IO 1 -#define PCI_COMMAND_MEMORY 2 -#define PCI_COMMAND_MASTER 4 - - u32 pci_command = pci_read_config32(addr, PCI_COMMAND); - pci_command = (pci_command | PCI_COMMAND_MEMORY) & ~PCI_COMMAND_IO ; - pci_write_config32(addr, PCI_COMMAND, pci_command); - controller->type = EHCI; controller->start = ehci_start; @@ -760,8 +751,7 @@ ehci_init (pcidev_t addr) controller->create_intr_queue = ehci_create_intr_queue; controller->destroy_intr_queue = ehci_destroy_intr_queue; controller->poll_intr_queue = ehci_poll_intr_queue; - controller->bus_address = addr; - controller->reg_base = pci_read_config32 (controller->bus_address, USBBASE); + controller->reg_base = (u32)(unsigned long)bar; for (i = 0; i < 128; i++) { controller->devices[i] = 0; } @@ -770,9 +760,6 @@ ehci_init (pcidev_t addr) EHCI_INST(controller)->capabilities = phys_to_virt(controller->reg_base); EHCI_INST(controller)->operation = (hc_op_t *)(phys_to_virt(controller->reg_base) + EHCI_INST(controller)->capabilities->caplength); - /* default value for frame length adjust */ - pci_write_config8(addr, FLADJ, FLADJ_framelength(60000)); - /* Set the high address word (aka segment) if controller is 64-bit */ if (EHCI_INST(controller)->capabilities->hccparams & 1) EHCI_INST(controller)->operation->ctrldssegment = 0; @@ -818,3 +805,25 @@ ehci_init (pcidev_t addr) return controller; } + +#ifdef CONFIG_USB_PCI +hci_t * +ehci_pci_init (pcidev_t addr) +{ + hci_t *controller; + u32 reg_base; + + u32 pci_command = pci_read_config32(addr, PCI_COMMAND); + pci_command = (pci_command | PCI_COMMAND_MEMORY) & ~PCI_COMMAND_IO ; + pci_write_config32(addr, PCI_COMMAND, pci_command); + + reg_base = pci_read_config32 (addr, USBBASE); + + /* default value for frame length adjust */ + pci_write_config8(addr, FLADJ, FLADJ_framelength(60000)); + + controller = ehci_init((void *)(unsigned long)reg_base); + + return controller; +} +#endif |