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3b55e5c722
Debug print MMIO regions Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@mobileye.com> Reviewed-by: Anup Patel <anup@brainfault.org> Link: https://lore.kernel.org/r/20260223-for-upstream-eyeq7h-v3-20-621d004d1a21@mobileye.com Signed-off-by: Anup Patel <anup@brainfault.org>
212 lines
5.9 KiB
C
212 lines
5.9 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2025 MIPS
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*
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*/
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#ifndef __P8700_H__
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#define __P8700_H__
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/** Coherence manager information
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*
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* @num_cm: Number of coherence manager
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* @gcr_base: Array of base address of the CM
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*/
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struct p8700_cm_info {
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unsigned int num_cm;
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unsigned long *gcr_base;
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};
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extern const struct p8700_cm_info *p8700_cm_info;
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/* PMA */
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#define CSR_MIPSPMACFG0 0x7e0
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#define CSR_MIPSPMACFG1 0x7e1
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#define CSR_MIPSPMACFG2 0x7e2
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#define CSR_MIPSPMACFG3 0x7e3
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#define CSR_MIPSPMACFG4 0x7e4
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#define CSR_MIPSPMACFG5 0x7e5
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#define CSR_MIPSPMACFG6 0x7e6
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#define CSR_MIPSPMACFG7 0x7e7
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#define CSR_MIPSPMACFG8 0x7e8
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#define CSR_MIPSPMACFG9 0x7e9
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#define CSR_MIPSPMACFG10 0x7ea
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#define CSR_MIPSPMACFG11 0x7eb
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#define CSR_MIPSPMACFG12 0x7ec
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#define CSR_MIPSPMACFG13 0x7ed
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#define CSR_MIPSPMACFG14 0x7ee
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#define CSR_MIPSPMACFG15 0x7ef
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/* MIPS CCA */
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#define CCA_CACHE_ENABLE 0
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#define CCA_CACHE_DISABLE 2
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#define PMA_SPECULATION (1 << 3)
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/* MIPS CSR */
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#define CSR_MIPSTVEC 0x7c0
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#define CSR_MIPSCONFIG0 0x7d0
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#define CSR_MIPSCONFIG1 0x7d1
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#define CSR_MIPSCONFIG2 0x7d2
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#define CSR_MIPSCONFIG3 0x7d3
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#define CSR_MIPSCONFIG4 0x7d4
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#define CSR_MIPSCONFIG5 0x7d5
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#define CSR_MIPSCONFIG6 0x7d6
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#define CSR_MIPSCONFIG7 0x7d7
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#define CSR_MIPSCONFIG8 0x7d8
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#define CSR_MIPSCONFIG9 0x7d9
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#define CSR_MIPSCONFIG10 0x7da
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#define CSR_MIPSCONFIG11 0x7db
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#define MIPSCONFIG1_L2C BIT(31)
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#define MIPSCONFIG1_IS GENMASK(24,22)
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#define MIPSCONFIG1_IL GENMASK(21,19)
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#define MIPSCONFIG1_IA GENMASK(18,16)
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#define MIPSCONFIG1_DS GENMASK(15,13)
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#define MIPSCONFIG1_DL GENMASK(12,10)
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#define MIPSCONFIG1_DA GENMASK(9,7)
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#define MIPSCONFIG5_MTW 4
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/* mhartID structure */
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#define P8700_HARTID_CLUSTER GENMASK(19, 16)
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#define P8700_HARTID_CORE GENMASK(11, 4)
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#define P8700_HARTID_HART GENMASK(3, 0)
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#define cpu_cluster(i) EXTRACT_FIELD(i, P8700_HARTID_CLUSTER)
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#define cpu_core(i) EXTRACT_FIELD(i, P8700_HARTID_CORE)
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#define cpu_hart(i) EXTRACT_FIELD(i, P8700_HARTID_HART)
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#define CPC_OFFSET (0x8000)
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#define SIZE_FOR_CPC_MTIME 0x10000 /* The size must be 2^order */
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#define AIA_OFFSET (0x40000)
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#define SIZE_FOR_AIA_M_MODE 0x20000 /* The size must be 2^order */
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#define P8700_ALIGN 0x10000
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#define CM_BASE_HART_SHIFT 3
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#define CM_BASE_CORE_SHIFT 8
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#define CM_BASE_CLUSTER_SHIFT 19
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/* GCR Block offsets */
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#define GCR_OFF_LOCAL 0x2000
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#define GCR_GLOBAL_CONFIG 0x0000
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#define GCR_GC_NUM_CORES GENMASK(7, 0)
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#define GCR_GC_NUM_IOCUS GENMASK(11, 8)
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#define GCR_GC_NUM_MMIOS GENMASK(19, 16)
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#define GCR_GC_NUM_AUX GENMASK(22, 20)
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#define GCR_GC_NUM_CLUSTERS GENMASK(29, 23)
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#define GCR_GC_HAS_ITU BIT(31)
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#define GCR_GC_CL_ID GENMASK(39, 32)
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#define GCR_GC_HAS_DBU BIT(40)
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#define GCR_GC_NOC GENMASK(43, 41)
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#define GCR_BASE_OFFSET 0x0008
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#define GCR_CORE_COH_EN 0x00f8
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#define GCR_CORE_COH_EN_EN (0x1 << 0)
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#define L2_PFT_CONTROL_OFFSET 0x0300
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#define L2_PFT_CONTROL_B_OFFSET 0x0308
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#define GCR_L2_CONFIG 0x0130
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#define GCR_L2_ASSOC GENMASK(7, 0)
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#define GCR_L2_LINE_SIZE GENMASK(11, 8)
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#define GCR_L2_SET_SIZE GENMASK(15, 12)
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#define GCR_L2_BYPASS BIT(20)
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#define GCR_L2_COP_DATA_ECC_WE BIT(24)
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#define GCR_L2_COP_TAG_ECC_WE BIT(25)
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#define GCR_L2_COP_LRU_WE BIT(26)
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#define GCR_L2_REG_EXISTS BIT(31)
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#define GCR_L2_TAG_ADDR 0x0600
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#define GCR_L2_TAG_STATE 0x0608
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#define GCR_L2_DATA 0x0610
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#define GCR_L2_ECC 0x0618
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#define GCR_L2SM_COP 0x0620
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#define GCR_L2SM_COP_CMD GENMASK(1, 0)
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#define L2SM_COP_CMD_NOP 0
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#define L2SM_COP_CMD_START 1
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#define L2SM_COP_CMD_ABORT 3
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#define GCR_L2SM_COP_TYPE GENMASK(4, 2)
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#define L2SM_COP_TYPE_IDX_WBINV 0
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#define L2SM_COP_TYPE_IDX_STORETAG 1
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#define L2SM_COP_TYPE_IDX_STORETAGDATA 2
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#define L2SM_COP_TYPE_HIT_INV 4
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#define L2SM_COP_TYPE_HIT_WBINV 5
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#define L2SM_COP_TYPE_HIT_WB 6
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#define L2SM_COP_TYPE_FETCHLOCK 7
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#define GCR_L2SM_COP_RUNNING BIT(5)
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#define GCR_L2SM_COP_RESULT GENMASK(8, 6)
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#define L2SM_COP_RESULT_DONTCARE 0
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#define L2SM_COP_RESULT_DONE_OK 1
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#define L2SM_COP_RESULT_DONE_ERROR 2
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#define L2SM_COP_RESULT_ABORT_OK 3
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#define L2SM_COP_RESULT_ABORT_ERROR 4
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#define GCR_L2SM_COP_PRESENT BIT(31)
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/* MMIO regions. Actual count in GCR_GLOBAL_CONFIG.GCR_GC_NUM_MMIOS */
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#define GCR_MMIO_BOTTOM(n) (0x700 + (n) * 0x10) /* n = 0..7 */
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#define GCR_MMIO_TOP(n) (0x708 + (n) * 0x10) /* n = 0..7 */
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#define GCR_MMIO_ADDR GENMASK(47, 16) /* both top and bottom */
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#define GCR_MMIO_BOTTOM_CCA GENMASK(9, 8)
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#define GCR_MMIO_BOTTOM_FORCE_NC BIT(6)
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/*
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* 15:12 - reserved
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* 11 - AUX3
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* 10 - AUX2
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* 9 - AUX1
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* 8 - AUX0
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* 7:1 - reserved
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* 0 - Main memory port; MEM
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*/
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#define GCR_MMIO_BOTTOM_PORT GENMASK(5, 2)
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#define GCR_MMIO_BOTTOM_DIS_RQ_LIM BIT(1)
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#define GCR_MMIO_BOTTOM_EN BIT(0)
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/* CPC Block offsets */
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#define CPC_PWRUP_CTL 0x0030
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#define CPC_TIMECTL 0x0058
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#define TIMECTL_HARMED BIT(3)
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#define TIMECTL_HSTOP BIT(2)
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#define TIMECTL_MARMED BIT(1)
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#define TIMECTL_MSTOP BIT(0)
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#define CPC_HRTIME 0x0090
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#define CPC_CM_STAT_CONF 0x1008
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#define CPC_OFF_LOCAL 0x2000
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#define CPC_Cx_VP_STOP 0x0020
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#define CPC_Cx_VP_RUN 0x0028
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#define CPC_Cx_CMD 0x0000
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#define CPC_Cx_CMD_PWRUP 0x3
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#define CPC_Cx_CMD_RESET 0x4
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#define CPC_Cx_STAT_CONF 0x0008
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#define CPC_Cx_STAT_CONF_SEQ_STATE GENMASK(22, 19)
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#define CPC_Cx_STAT_CONF_SEQ_STATE_U5 6
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#define CPC_Cx_STAT_CONF_SEQ_STATE_U6 7
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extern const struct p8700_cm_info *p8700_cm_info;
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void mips_p8700_dump_mmio(void);
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void mips_p8700_pmp_set(unsigned int n, unsigned long flags,
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unsigned long prot, unsigned long addr,
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unsigned long log2len);
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void mips_p8700_power_up_other_cluster(u32 hartid);
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int mips_p8700_hart_start(u32 hartid, ulong saddr);
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int mips_p8700_hart_stop(void);
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struct p8700_cache_info {
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u32 line;
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u32 assoc_ways;
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u32 sets;
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};
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void mips_p8700_cache_info(struct p8700_cache_info *l1d, struct p8700_cache_info *l1i,
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struct p8700_cache_info *l2);
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int mips_p8700_add_memranges(void);
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struct fdt_match;
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int mips_p8700_platform_init(const void *fdt, int nodeoff, const struct fdt_match *match);
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#endif
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