xref: /aosp_15_r20/external/coreboot/src/drivers/generic/bayhub_lv2/lv2.h (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 /* Driver for BayHub Technology LV2 PCIe to SD bridge */
4 
5 #include <types.h>
6 
7 enum {
8 	LV2_PROTECT			= 0xD0,
9 	LV2_PROTECT_LOCK_OFF		= 0,
10 	LV2_PROTECT_LOCK_ON		= BIT(0),
11 	LV2_PROTECT_OFF			= 0,
12 	LV2_PROTECT_ON			= BIT(31),
13 	LV2_PCR_HEX_FC			= 0xFC,
14 	LV2_PCIE_PHY_P1_ENABLE		= BIT(25),
15 	LV2_ASPM_L1_TIMER		= 0x000E0000,
16 	LV2_ASPM_L1_TIMER_MASK		= 0xFFF0FFFF,
17 	LV2_PCR_HEX_A8			= 0xA8,
18 	LV2_LTR_ENABLE			= BIT(10),
19 	LV2_PCR_HEX_E0			= 0xE0,
20 	LV2_PCI_PM_L1_TIMER		= 0x30000000,
21 	LV2_PCI_PM_L1_TIMER_MASK	= 0x0FFFFFFF,
22 	LV2_PCR_HEX_234			= 0x234,
23 	LV2_MAX_LATENCY_SETTING		= 0x10011001,
24 	LV2_PCR_HEX_3F4			= 0x3F4,
25 	LV2_L1_SUBSTATE_OPTIMISE	= 0x0000000A,
26 	LV2_L1_SUBSTATE_OPTIMISE_MASK	= 0xFFFFFFF0,
27 	LV2_PCR_HEX_300			= 0x300,
28 	LV2_TUNING_WINDOW		= 0x00006055,
29 	LV2_TUNING_WINDOW_MASK		= 0xFFFF0F00,
30 	LV2_PCR_HEX_304			= 0x304,
31 	LV2_DRIVER_STRENGTH		= 0x0000224B,
32 	LV2_DRIVER_STRENGTH_MASK	= 0xFFFF0000,
33 	LV2_PCR_HEX_308			= 0x308,
34 	LV2_RESET_DMA_DISABLE		= 0x00C00000,
35 	LV2_RESET_DMA_DISABLE_MASK	= 0xFF3FFFFF,
36 };
37