/* Warm Reset a USB3 port */
static void xhci_reset_port_usb3(device_t dev, int port)
{
struct reg_script reset_port_usb3_script[] = {
/* Issue Warm Port Rest to the port */
REG_RES_OR32(PCI_BASE_ADDRESS_0, XHCI_USB3_PORTSC(port),
XHCI_USB3_PORTSC_WPR),
/* Wait up to 100ms for it to complete */
REG_RES_POLL32(PCI_BASE_ADDRESS_0, XHCI_USB3_PORTSC(port),
XHCI_USB3_PORTSC_WRC, XHCI_USB3_PORTSC_WRC,
XHCI_RESET_TIMEOUT),
/* Clear change status bits, do not set PED */
REG_RES_RMW32(PCI_BASE_ADDRESS_0, XHCI_USB3_PORTSC(port),
~XHCI_USB3_PORTSC_PED, XHCI_USB3_PORTSC_CHST),
REG_SCRIPT_END
};
reg_script_run_on_dev(dev, reset_port_usb3_script);
}
if (gms > ARRAY_SIZE(gms_size_map))
return;
gmsize = gms_size_map[gms];
/* PcBase = BDSM + GMS Size - WOPCMSZ - PowerContextSize */
pcbase = pci_read_config32(dev, GSM_BASE) & 0xfff00000;
pcbase += (gmsize-1) * wopcmsz - pcsize;
pcbase |= 1; /* Lock */
write32((u32 *)(uintptr_t)(res->base + 0x182120), pcbase);
}
static const struct reg_script gfx_init_script[] = {
/* Allow-Wake render/media wells */
REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x130090, ~1, 1),
REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x130094, 1, 1, GFX_TIMEOUT),
/* Render Force-Wake */
REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1300b0, 0x80008000),
REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x1300b4, 0x8000, 0x8000,
GFX_TIMEOUT),
/* Media Force-Wake */
REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1300b8, 0x80008000),
REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x1300bc, 0x8000, 0x8000,
GFX_TIMEOUT),
/* Workaround - X0:261954/A0:261955 */
REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x182060, ~0xf, 1),
/*
* PowerMeter Weights
*/
#include <soc/ramstage.h>
#include <soc/systemagent.h>
#include <soc/intel/broadwell/chip.h>
#include <vendorcode/google/chromeos/chromeos.h>
#define GT_RETRY 1000
#define GT_CDCLK_337 0
#define GT_CDCLK_450 1
#define GT_CDCLK_540 2
#define GT_CDCLK_675 3
struct reg_script haswell_early_init_script[] = {
/* Enable Force Wake */
REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa180, 0x00000020),
REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010001),
REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 1, GT_RETRY),
/* Enable Counters */
REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa248, 0x00000016),
/* GFXPAUSE settings */
REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa000, 0x00070020),
/* ECO Settings */
REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0xa180, 0xff3fffff, 0x15000000),
/* Enable DOP Clock Gating */
REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9424, 0x000003fd),
/* Enable Unit Level Clock Gating */
REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9400, 0x00000080),
REG_SCRIPT_END
};
static const struct reg_script ehci_clock_gating_script[] = {
/* Enable SB local clock gating */
REG_PCI_OR32(0x7c, 0x00004000),
/* RCBA + 0x284=0xbe (step B0+) */
REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x284, 0x000000be),
REG_SCRIPT_END
};
static const struct reg_script ehci_disable_script[] = {
/* Clear Run/Stop Bit */
REG_RES_RMW32(PCI_BASE_ADDRESS_0, USB2CMD, ~USB2CMD_RS, 0),
/* Wait for HC Halted */
REG_RES_POLL32(PCI_BASE_ADDRESS_0, USB2STS,
USB2STS_HCHALT, USB2STS_HCHALT, 10000),
/* Disable Interrupts */
REG_PCI_OR32(EHCI_CMD_STS, INTRDIS),
/* Disable Asynchronous and Periodic Scheduler */
REG_RES_RMW32(PCI_BASE_ADDRESS_0, USB2CMD,
~(USB2CMD_ASE | USB2CMD_PSE), 0),
/* Disable port wake */
REG_PCI_RMW32(EHCI_SBRN_FLA_PWC, ~(PORTWKIMP | PORTWKCAPMASK), 0),
/* Set Function Disable bit in RCBA */
REG_MMIO_OR32(RCBA_BASE_ADDRESS + RCBA_FUNC_DIS, RCBA_EHCI_DIS),
REG_SCRIPT_END
};
static const struct reg_script ehci_hc_reset[] = {
REG_RES_OR16(PCI_BASE_ADDRESS_0, USB2CMD, USB2CMD_HCRESET),
REG_SCRIPT_END
