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libpayload: Add USB support for non-PCI controllers

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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>
This commit is contained in:
Stefan Reinauer
2013-05-02 16:16:41 -07:00
committed by Stefan Reinauer
parent 441a4baf87
commit 8992e53c23
16 changed files with 142 additions and 58 deletions
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11
payloads/libpayload/drivers/usb/uhci.c
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@@ -147,7 +147,7 @@ uhci_reinit (hci_t *controller)
}
hci_t *
uhci_init (pcidev_t addr)
uhci_pci_init (pcidev_t addr)
{
int i;
u16 reg16;
@@ -182,16 +182,17 @@ uhci_init (pcidev_t addr)
init_device_entry (controller, 0);
UHCI_INST (controller)->roothub = controller->devices[0];
controller->bus_address = addr;
controller->reg_base = pci_read_config32 (controller->bus_address, 0x20) & ~1; /* ~1 clears the register type indicator that is set to 1 for IO space */
/* ~1 clears the register type indicator that is set to 1
* for IO space */
controller->reg_base = pci_read_config32 (addr, 0x20) & ~1;
/* kill legacy support handler */
uhci_stop (controller);
mdelay (1);
uhci_reg_write16 (controller, USBSTS, 0x3f);
reg16 = pci_read_config16(controller->bus_address, 0xc0);
reg16 = pci_read_config16(addr, 0xc0);
reg16 &= 0xdf80;
pci_write_config16 (controller->bus_address, 0xc0, reg16);
pci_write_config16 (addr, 0xc0, reg16);
UHCI_INST (controller)->framelistptr = memalign (0x1000, 1024 * sizeof (flistp_t)); /* 4kb aligned to 4kb */
if (! UHCI_INST (controller)->framelistptr)