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// SPDX-License-Identifier: Apache-2.0
/* Copyright 2013-2019 IBM Corp. */
#ifndef __NX_H
#define __NX_H
/*************************************/
/* Register addresses and bit fields */
/*************************************/
#define NX_P8_SAT(sat, offset) XSCOM_SAT(0xc, sat, offset)
#define NX_P9_SAT(sat, offset) XSCOM_SAT(0x4, sat, offset)
/* Random Number Generator */
#define NX_P8_RNG_BAR NX_P8_SAT(0x2, 0x0d)
#define NX_P9_RNG_BAR NX_P9_SAT(0x2, 0x0d)
#define NX_P8_RNG_BAR_ADDR PPC_BITMASK(14, 51)
/*
* Section 5.30 of P9 NX Workbook Version 2.42 shows RNG BAR as:
* 0:7 unused
* 8:51 RNG BAR Base Address for RNG reads
* 52 Enable bit for RNG BAR
* 53:63 Unused
*
* Following macros encode that info.
*/
#define NX_P9_RNG_BAR_ADDR PPC_BITMASK(8, 51)
#define NX_RNG_BAR_SIZE PPC_BITMASK(53, 55)
#define NX_RNG_BAR_ENABLE PPC_BIT(52)
#define NX_P8_RNG_CFG NX_P8_SAT(0x2, 0x12)
#define NX_RNG_CFG_ENABLE PPC_BIT(63)
/* Symmetric Crypto */
#define NX_P8_SYM_CFG NX_P8_SAT(0x2, 0x0a)
#define NX_SYM_CFG_CI PPC_BITMASK(2, 14)
#define NX_SYM_CFG_CT PPC_BITMASK(18, 23)
#define NX_SYM_CFG_FC_ENABLE PPC_BITMASK(32, 39)
#define NX_SYM_CFG_ENABLE PPC_BIT(63)
/* Asymmetric Crypto */
#define NX_P8_ASYM_CFG NX_P8_SAT(0x2, 0x0b)
#define NX_ASYM_CFG_CI PPC_BITMASK(2, 14)
#define NX_ASYM_CFG_CT PPC_BITMASK(18, 23)
#define NX_ASYM_CFG_FC_ENABLE PPC_BITMASK(32, 52)
#define NX_ASYM_CFG_ENABLE PPC_BIT(63)
/* 842 Compression. CFG is used only on P8 */
#define NX_P8_842_CFG NX_P8_SAT(0x2, 0x0c)
#define NX_842_CFG_CI PPC_BITMASK(2, 14)
#define NX_842_CFG_CT PPC_BITMASK(18, 23)
#define NX_842_CFG_FC_ENABLE PPC_BITMASK(32, 36)
#define NX_842_CFG_ENABLE PPC_BIT(63)
/* DMA */
#define NX_P8_DMA_CFG NX_P8_SAT(0x1, 0x02)
#define NX_P9_DMA_CFG NX_P9_SAT(0x1, 0x02)
#define NX_DMA_CFG_GZIP_COMPRESS_MAX_RR PPC_BITMASK(8, 11)
#define NX_DMA_CFG_GZIP_DECOMPRESS_MAX_RR PPC_BITMASK(12, 15)
#define NX_DMA_CFG_GZIP_COMPRESS_PREFETCH PPC_BIT(16)
#define NX_DMA_CFG_GZIP_DECOMPRESS_PREFETCH PPC_BIT(17)
#define NX_DMA_CFG_842_COMPRESS_PREFETCH PPC_BIT(23)
#define NX_DMA_CFG_842_DECOMPRESS_PREFETCH PPC_BIT(24)
#define NX_DMA_CFG_AES_SHA_MAX_RR PPC_BITMASK(25, 28)
#define NX_DMA_CFG_AMF_MAX_RR PPC_BITMASK(29, 32)
#define NX_DMA_CFG_842_COMPRESS_MAX_RR PPC_BITMASK(33, 36)
#define NX_DMA_CFG_842_DECOMPRESS_MAX_RR PPC_BITMASK(37, 40)
#define NX_DMA_CFG_AES_SHA_CSB_WR PPC_BITMASK(41, 42)
#define NX_DMA_CFG_AES_SHA_COMPLETION_MODE PPC_BITMASK(43, 44)
#define NX_DMA_CFG_AES_SHA_CPB_WR PPC_BITMASK(45, 46)
#define NX_DMA_CFG_AES_SHA_OUTPUT_DATA_WR PPC_BIT(47)
#define NX_DMA_CFG_AMF_CSB_WR PPC_BITMASK(49, 50)
#define NX_DMA_CFG_AMF_COMPLETION_MODE PPC_BITMASK(51, 52)
#define NX_DMA_CFG_AMF_CPB_WR PPC_BITMASK(53, 54)
#define NX_DMA_CFG_AMF_OUTPUT_DATA_WR PPC_BIT(55)
#define NX_DMA_CFG_842_SPBC PPC_BIT(56)
#define NX_DMA_CFG_842_CSB_WR PPC_BITMASK(57, 58)
#define NX_DMA_CFG_842_COMPLETION_MODE PPC_BITMASK(59, 60)
#define NX_DMA_CFG_842_CPB_WR PPC_BITMASK(61, 62)
#define NX_DMA_CFG_842_OUTPUT_DATA_WR PPC_BIT(63)
/* Engine Enable Register */
#define NX_P8_EE_CFG NX_P8_SAT(0x1, 0x01)
#define NX_P9_EE_CFG NX_P9_SAT(0x1, 0x01)
#define NX_EE_CFG_EFUSE PPC_BIT(0)
#define NX_EE_CFG_CH7 PPC_BIT(53) /* AMF */
#define NX_EE_CFG_CH6 PPC_BIT(54) /* AMF */
#define NX_EE_CFG_CH5 PPC_BIT(55) /* AMF */
#define NX_EE_CFG_CH4 PPC_BIT(56) /* P7: SYM, P8: AMF */
#define NX_EE_CFG_CH3 PPC_BIT(57) /* SYM */
#define NX_EE_CFG_CH2 PPC_BIT(58) /* SYM */
#define NX_P9_EE_CFG_CH4 PPC_BIT(61) /* gzip */
#define NX_EE_CFG_CH1 PPC_BIT(62) /* 842 */
#define NX_EE_CFG_CH0 PPC_BIT(63) /* 842 */
/* Max byte count register - P9 and later */
#define NX_P9_842_MAX_BYTE_COUNT NX_P9_SAT(0x1, 0x19)
#define NX_P9_GZIP_MAX_BYTE_COUNT NX_P9_SAT(0x1, 0x1b)
#define NX_P9_DMA_VAS_MMIO_BAR NX_P9_SAT(0x1, 0x1e)
#define NX_P9_DMA_VAS_MMIO_ADDR PPC_BITMASK(8, 38)
/* PowerBus Registers */
#define NX_P8_CRB_IQ NX_P8_SAT(0x2, 0x0f)
#define NX_CRB_IQ_SYM PPC_BITMASK(0, 2)
#define NX_CRB_IQ_ASYM PPC_BITMASK(3, 5)
/* UMAC registers - P9 and later */
#define NX_P9_842_HIGH_PRI_RX_FIFO_BAR NX_P9_SAT(0x3, 0x00)
#define NX_P9_GZIP_HIGH_PRI_RX_FIFO_BAR NX_P9_SAT(0x3, 0x02)
#define NX_P9_842_NORMAL_PRI_RX_FIFO_BAR NX_P9_SAT(0x3, 0x09)
#define NX_P9_GZIP_NORMAL_PRI_RX_FIFO_BAR NX_P9_SAT(0x3, 0x0b)
#define NX_P9_RX_FIFO_BAR_ADDR PPC_BITMASK(8, 53)
#define NX_P9_RX_FIFO_BAR_SIZE PPC_BITMASK(54, 56)
#define NX_P9_842_HIGH_PRI_RX_FIFO_NOTIFY_MATCH NX_P9_SAT(0x3, 0x06)
#define NX_P9_GZIP_HIGH_PRI_RX_FIFO_NOTIFY_MATCH NX_P9_SAT(0x3, 0x08)
#define NX_P9_842_NORMAL_PRI_RX_FIFO_NOTIFY_MATCH NX_P9_SAT(0x3, 0x0f)
#define NX_P9_GZIP_NORMAL_PRI_RX_FIFO_NOTIFY_MATCH NX_P9_SAT(0x3, 0x11)
#define NX_P9_RX_FIFO_NOTIFY_MATCH_LPID PPC_BITMASK(4, 15)
#define NX_P9_RX_FIFO_NOTIFY_MATCH_PID PPC_BITMASK(20, 39)
#define NX_P9_RX_FIFO_NOTIFY_MATCH_TID PPC_BITMASK(44, 59)
#define NX_P9_RX_FIFO_NOTIFY_MATCH_MATCH_ENABLE PPC_BIT(63)
#define NX_P9_842_HIGH_PRI_RX_FIFO_CTRL NX_P9_SAT(0x3, 0x03)
#define NX_P9_GZIP_HIGH_PRI_RX_FIFO_CTRL NX_P9_SAT(0x3, 0x05)
#define NX_P9_842_NORMAL_PRI_RX_FIFO_CTRL NX_P9_SAT(0x3, 0x0c)
#define NX_P9_GZIP_NORMAL_PRI_RX_FIFO_CTRL NX_P9_SAT(0x3, 0x0e)
#define NX_P9_RX_FIFO_CTRL_READ_OFFSET PPC_BITMASK(4, 11)
#define NX_P9_RX_FIFO_CTRL_QUEUED PPC_BITMASK(15, 23)
#define NX_P9_RX_FIFO_CTRL_HPRI_MAX_READ PPC_BITMASK(27, 35)
#define NX_P9_UMAC_TX_WINDOW_CONTEXT_BAR NX_P9_SAT(0x3, 0x12)
#define NX_P9_UMAC_TX_WINDOW_CONTEXT_ADDR PPC_BITMASK(8, 40)
#define NX_P9_UMAC_VAS_MMIO_BAR NX_P9_SAT(0x3, 0x14)
#define NX_P9_UMAC_VAS_MMIO_ADDR PPC_BITMASK(8, 38)
#define NX_P9_UMAC_STATUS_CTRL NX_P9_SAT(0x3, 0x15)
#define NX_P9_UMAC_STATUS_CTRL_CRB_ENABLE PPC_BIT(1)
#define NX_P9_ERAT_STATUS_CTRL NX_P9_SAT(0x3, 0x16)
/* NX Status Register */
#define NX_P8_STATUS NX_P8_SAT(0x1, 0x00)
#define NX_P9_STATUS NX_P9_SAT(0x1, 0x00) /* DMA Status register */
#define NX_STATUS_HMI_ACTIVE PPC_BIT(54)
#define NX_STATUS_PBI_IDLE PPC_BIT(55)
#define NX_STATUS_DMA_CH0_IDLE PPC_BIT(56)
#define NX_STATUS_DMA_CH1_IDLE PPC_BIT(57)
#define NX_STATUS_DMA_CH2_IDLE PPC_BIT(58)
#define NX_STATUS_DMA_CH3_IDLE PPC_BIT(59)
#define NX_STATUS_DMA_CH4_IDLE PPC_BIT(60)
#define NX_STATUS_DMA_CH5_IDLE PPC_BIT(61)
#define NX_STATUS_DMA_CH6_IDLE PPC_BIT(62)
#define NX_STATUS_DMA_CH7_IDLE PPC_BIT(63)
/* Channel Status Registers */
#define NX_P8_CH_CRB(ch) NX_P8_SAT(0x1, 0x03 + ((ch) * 2))
#define NX_P9_CH_CRB(ch) NX_P9_SAT(0x1, 0x03 + ((ch) * 2))
#define NX_P8_CH_STATUS(ch) NX_P8_SAT(0x1, 0x04 + ((ch) * 2))
#define NX_CH_STATUS_ABORT PPC_BIT(0)
#define NX_CH_STATUS_CCB_VALID PPC_BIT(4)
#define NX_CH_STATUS_CCB_CM PPC_BITMASK(5, 7)
#define NX_CH_STATUS_CCB_PRIO PPC_BITMASK(8, 15)
#define NX_CH_STATUS_CCB_SN PPC_BITMASK(16, 31)
#define NX_CH_STATUS_VALID PPC_BIT(32)
#define NX_CH_STATUS_LPID PPC_BITMASK(38, 47)
#define NX_CH_STATUS_CCB_ISN PPC_BITMASK(50, 63)
#define NX_CH_STATUS_CRB_SJT PPC_BITMASK(50, 63)
/* Kill Register */
#define NX_P8_CRB_KILL NX_P8_SAT(0x1, 0x13)
#define NX_P9_CRB_KILL NX_P9_SAT(0x1, 0x13)
#define NX_CRB_KILL_LPID_KILL PPC_BIT(0)
#define NX_CRB_KILL_LPID PPC_BITMASK(6, 15)
#define NX_CRB_KILL_ISN_KILL PPC_BIT(16)
#define NX_CRB_KILL_SJT_KILL PPC_BIT(17)
#define NX_CRB_KILL_ISN PPC_BITMASK(18, 31)
#define NX_CRB_KILL_SJT PPC_BITMASK(18, 31)
#define NX_CRB_KILL_DONE PPC_BIT(32)
#define NX_CRB_KILL_PBI_LOC PPC_BITMASK(40, 47)
#define NX_CRB_KILL_PREFETCH_CH PPC_BITMASK(48, 55)
#define NX_CRB_KILL_ALG_CH PPC_BITMASK(56, 63)
/* Fault Isolation Registers (FIR) */
#define NX_P8_DE_FIR_DATA NX_P8_SAT(0x4, 0x00)
#define NX_P9_DE_FIR_DATA NX_P9_SAT(0x4, 0x00)
#define NX_P8_DE_FIR_DATA_CLR NX_P8_SAT(0x4, 0x01)
#define NX_P9_DE_FIR_DATA_CLR NX_P9_SAT(0x4, 0x01)
#define NX_P8_DE_FIR_DATA_SET NX_P8_SAT(0x4, 0x02)
#define NX_P9_DE_FIR_DATA_SET NX_P9_SAT(0x4, 0x02)
#define NX_P8_DE_FIR_MASK NX_P8_SAT(0x4, 0x03)
#define NX_P9_DE_FIR_MASK NX_P9_SAT(0x4, 0x03)
#define NX_P8_DE_FIR_MASK_CLR NX_P8_SAT(0x4, 0x04)
#define NX_P9_DE_FIR_MASK_CLR NX_P9_SAT(0x4, 0x04)
#define NX_P8_DE_FIR_MASK_SET NX_P8_SAT(0x4, 0x05)
#define NX_P9_DE_FIR_MASK_SET NX_P9_SAT(0x4, 0x05)
#define NX_P8_DE_FIR_ACTION0 NX_P8_SAT(0x4, 0x06)
#define NX_P9_DE_FIR_ACTION0 NX_P9_SAT(0x4, 0x06)
#define NX_P8_DE_FIR_ACTION1 NX_P8_SAT(0x4, 0x07)
#define NX_P9_DE_FIR_ACTION1 NX_P9_SAT(0x4, 0x07)
#define NX_P8_DE_FIR_WOF NX_P8_SAT(0x4, 0x08)
#define NX_P9_PB_FIR_DATA NX_P9_SAT(0x2, 0x00)
#define NX_P8_PB_FIR_DATA NX_P8_SAT(0x2, 0x00)
#define NX_P8_PB_FIR_DATA_CLR NX_P8_SAT(0x2, 0x01)
#define NX_P9_PB_FIR_DATA_CLR NX_P9_SAT(0x2, 0x01)
#define NX_P8_PB_FIR_DATA_SET NX_P8_SAT(0x2, 0x02)
#define NX_P9_PB_FIR_DATA_SET NX_P9_SAT(0x2, 0x02)
#define NX_P8_PB_FIR_MASK NX_P8_SAT(0x2, 0x03)
#define NX_P9_PB_FIR_MASK NX_P9_SAT(0x2, 0x03)
#define NX_P8_PB_FIR_MASK_CLR NX_P8_SAT(0x2, 0x04)
#define NX_P9_PB_FIR_MASK_CLR NX_P9_SAT(0x2, 0x04)
#define NX_P8_PB_FIR_MASK_SET NX_P8_SAT(0x2, 0x05)
#define NX_P9_PB_FIR_MASK_SET NX_P9_SAT(0x2, 0x05)
#define NX_P8_PB_FIR_ACTION0 NX_P8_SAT(0x2, 0x06)
#define NX_P9_PB_FIR_ACTION0 NX_P9_SAT(0x2, 0x06)
#define NX_P8_PB_FIR_ACTION1 NX_P8_SAT(0x2, 0x07)
#define NX_P9_PB_FIR_ACTION1 NX_P9_SAT(0x2, 0x07)
#define NX_P8_PB_FIR_WOF NX_P8_SAT(0x2, 0x08)
#define NX_FIR_SHM_INV PPC_BIT(1)
#define NX_FIR_CH0_ECC_CE PPC_BIT(4)
#define NX_FIR_CH0_ECC_UE PPC_BIT(5)
#define NX_FIR_CH1_ECC_CE PPC_BIT(6)
#define NX_FIR_CH1_ECC_UE PPC_BIT(7)
#define NX_FIR_DMA_NZ_CSB_CC PPC_BIT(8) /* lab use only */
#define NX_FIR_DMA_ARRAY_ECC_CE PPC_BIT(9)
#define NX_FIR_DMA_RW_ECC_CE PPC_BIT(10)
#define NX_FIR_CH5_ECC_CE PPC_BIT(11)
#define NX_FIR_CH6_ECC_CE PPC_BIT(12)
#define NX_FIR_CH7_ECC_CE PPC_BIT(13)
#define NX_FIR_OTHER_SCOM_ERR PPC_BIT(14)
#define NX_FIR_DMA_INV_STATE PPC_BITMASK(15, 16)
#define NX_FIR_DMA_ARRAY_ECC_UE PPC_BIT(17)
#define NX_FIR_DMA_RW_ECC_UE PPC_BIT(18)
#define NX_FIR_HYP PPC_BIT(19) /* for HYP to force HMI */
#define NX_FIR_CH0_INV_STATE PPC_BIT(20)
#define NX_FIR_CH1_INV_STATE PPC_BIT(21)
#define NX_FIR_CH2_INV_STATE PPC_BIT(22)
#define NX_FIR_CH3_INV_STATE PPC_BIT(23)
#define NX_FIR_CH4_INV_STATE PPC_BIT(24)
#define NX_FIR_CH5_INV_STATE PPC_BIT(25)
#define NX_FIR_CH6_INV_STATE PPC_BIT(26)
#define NX_FIR_CH7_INV_STATE PPC_BIT(27)
#define NX_FIR_CH5_ECC_UE PPC_BIT(28)
#define NX_FIR_CH6_ECC_UE PPC_BIT(29)
#define NX_FIR_CH7_ECC_UE PPC_BIT(30)
#define NX_FIR_CRB_UE PPC_BIT(31)
#define NX_FIR_CRB_SUE PPC_BIT(32)
#define NX_FIR_DMA_RW_ECC_SUE PPC_BIT(33)
#define NX_FIR_CH4_ECC_CE PPC_BIT(36) /* P8 only */
#define NX_FIR_CH5_ECC_UE_2 PPC_BIT(37) /* P8 only */
#define NX_FIR_P8_PARITY PPC_BITMASK(48, 49)
/* Rx FIFO is needed for VAS which is available on P9 or later */
#define RX_FIFO_SIZE 0x8000
/**************************************/
/* Register field values/restrictions */
/**************************************/
/* Arbitrary Coprocessor Type values */
#define NX_CT_SYM (1)
#define NX_CT_ASYM (2) /* on P8 */
#define NX_CT_GZIP (2) /* on P9 and later */
#define NX_CT_842 (3)
/* Coprocessor Instance counter
* NX workbook, section 5.5.1
* "Assigning <CT,CI> Values"
* Only on P8
*/
#define NX_SYM_CFG_CI_MAX (511)
#define NX_SYM_CFG_CI_LSHIFT (2)
#define NX_ASYM_CFG_CI_MAX (127)
#define NX_ASYM_CFG_CI_LSHIFT (4)
#define NX_842_CFG_CI_MAX (511)
#define NX_842_CFG_CI_LSHIFT (2)
/* DMA configuration values
* NX workbook, section 5.2.3, table 5-4
* "DMA Configuration Register Bits"
*
* These values can be used for the AES/SHA, AMF, and 842 DMA
* configuration fields in the DMA configuration register.
*
* Abbreviations used below:
* pDMA - "partial DMA write"
* fDMA - "full DMA write"
* CI - Cache Inject
*/
/* NX_DMA_CSB_WR values:
* 0 = Always perform 8 or 16 byte pDMA
* 1 = Do 128 byte CI if CSB at end of cache line, else pDMA
* 2 = Do 128 byte fDMA if CSB at end of cache line, else pDMA
*/
#define NX_DMA_CSB_WR_PDMA (0)
#define NX_DMA_CSB_WR_CI (1)
#define NX_DMA_CSB_WR_FDMA (2)
/* NX_DMA_COMPLETION_MODE values:
* 0 = Always perform 8 byte pDMA
* 1 = Do 128 byte CI, replicating 8 bytes across entire 128 byte cache line
* 2 = Do 128 byte fDMA, replicating 8 bytes across entire 128 byte cache line
*/
#define NX_DMA_COMPLETION_MODE_PDMA (0)
#define NX_DMA_COMPLETION_MODE_CI (1)
#define NX_DMA_COMPLETION_MODE_FDMA (2)
/* NX_DMA_CPB_WR values:
* 0 = Always do pDMA or fDMA, based on number of bytes and alignment
* 1 = Always do pDMA on non-aligned cache lines, fDMA on aligned cache lines
* (may store dummy data at the end of the aligned data)
* 2 = Do 128 byte CI when writing 128 aligned bytes, else pDMA
* 3 = Do 128 byte CI when writing aligned cache lines, else pDMA
* (may store dummy data at the end of the aligned data)
*/
#define NX_DMA_CPB_WR_DMA_NOPAD (0)
#define NX_DMA_CPB_WR_DMA_PAD (1)
#define NX_DMA_CPB_WR_CI_NOPAD (2)
#define NX_DMA_CPB_WR_CI_PAD (3)
/* NX_DMA_OUTPUT_DATA_WR values:
* 0 = Always do pDMA or fDMA, based on number of bytes and alignment
* 1 = Do 128 byte CI when writing 128 aligned bytes, else pDMA
*/
#define NX_DMA_OUTPUT_DATA_WR_DMA (0)
#define NX_DMA_OUTPUT_DATA_WR_CI (1)
/*
* NX compression configuration settings for 842 (on p8 and later)
* and gzip (p9 and later) engines
*/
#define DMA_COMPRESS_PREFETCH (1) /* enable prefetching */
#define DMA_DECOMPRESS_PREFETCH (1) /* enable prefetching */
#define DMA_COMPRESS_MAX_RR (15) /* range 1-15 */
#define DMA_DECOMPRESS_MAX_RR (15) /* range 1-15 */
#define DMA_SPBC (1) /* write SPBC in CPB */
/******************************/
/* NX node creation functions */
/******************************/
extern void nx_create_rng_node(struct dt_node *);
extern void nx_create_crypto_node(struct dt_node *);
extern void nx_create_compress_node(struct dt_node *);
extern void nx_enable_842(struct dt_node *node, u32 gcid, u32 pb_base);
extern void p9_nx_enable_842(struct dt_node *node, u32 gcid, u32 pb_base);
extern void p9_nx_enable_gzip(struct dt_node *node, u32 gcid, u32 pb_base);
extern int nx_cfg_rx_fifo(struct dt_node *node, const char *compat,
const char *priority, u32 gcid, u32 pid, u32 tid,
u64 umac_bar, u64 umac_notify);
extern void nx_init(void);
#endif /* __NX_H */
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