diff options
Diffstat (limited to 'arch/x86/include/asm/pch_common.h')
| -rw-r--r-- | arch/x86/include/asm/pch_common.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pch_common.h b/arch/x86/include/asm/pch_common.h new file mode 100644 index 0000000..c4614d3 --- /dev/null +++ b/arch/x86/include/asm/pch_common.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2016 Google, Inc + */ + +#ifndef __asm_pch_common_h +#define __asm_pch_common_h + +/* Common Intel SATA registers */ +#define SATA_SIRI 0xa0 /* SATA Indexed Register Index */ +#define SATA_SIRD 0xa4 /* SATA Indexed Register Data */ +#define SATA_SP 0xd0 /* Scratchpad */ + +#define INTR_LN 0x3c +#define IDE_TIM_PRI 0x40 /* IDE timings, primary */ +#define IDE_DECODE_ENABLE (1 << 15) +#define IDE_SITRE (1 << 14) +#define IDE_ISP_5_CLOCKS (0 << 12) +#define IDE_ISP_4_CLOCKS (1 << 12) +#define IDE_ISP_3_CLOCKS (2 << 12) +#define IDE_RCT_4_CLOCKS (0 << 8) +#define IDE_RCT_3_CLOCKS (1 << 8) +#define IDE_RCT_2_CLOCKS (2 << 8) +#define IDE_RCT_1_CLOCKS (3 << 8) +#define IDE_DTE1 (1 << 7) +#define IDE_PPE1 (1 << 6) +#define IDE_IE1 (1 << 5) +#define IDE_TIME1 (1 << 4) +#define IDE_DTE0 (1 << 3) +#define IDE_PPE0 (1 << 2) +#define IDE_IE0 (1 << 1) +#define IDE_TIME0 (1 << 0) +#define IDE_TIM_SEC 0x42 /* IDE timings, secondary */ + +#define SERIRQ_CNTL 0x64 + +/** + * pch_common_sir_read() - Read from a SATA indexed register + * + * @dev: SATA device + * @idx: Register index to read + * @return value read from register + */ +u32 pch_common_sir_read(struct udevice *dev, int idx); + +/** + * pch_common_sir_write() - Write to a SATA indexed register + * + * @dev: SATA device + * @idx: Register index to write + * @value: Value to write + */ +void pch_common_sir_write(struct udevice *dev, int idx, u32 value); + +#endif |