209 lines
4.6 KiB
C
209 lines
4.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef __M4U_HW_H__
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#define __M4U_HW_H__
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#define M4U_PGSIZES (SZ_4K | SZ_64K | SZ_1M | SZ_16M)
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#define TOTAL_M4U_NUM 1
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#define M4U_SLAVE_NUM(m4u_id) \
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((m4u_id) ? 1 : 2)
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/* m4u0 has 2 slaves, iommu(m4u1) has 1 slave */
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#define M4U_MAX_SLAVE 2
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#define M4U_MAX_LARB_PORT 32
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/* seq range related */
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#define SEQ_NR_PER_MM_SLAVE 8
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#define SEQ_NR_PER_PERI_SLAVE 0
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#define M4U0_SEQ_NR (SEQ_NR_PER_MM_SLAVE*M4U_SLAVE_NUM(0))
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#define M4U1_SEQ_NR (SEQ_NR_PER_PERI_SLAVE*M4U_SLAVE_NUM(1))
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#define M4U_SEQ_NUM(m4u_id) ((m4u_id) ? M4U1_SEQ_NR : M4U0_SEQ_NR)
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#define M4U_SEQ_ALIGN_MSK (0x100000-1)
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#define M4U_SEQ_ALIGN_SIZE 0x100000
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/* smi */
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#define SMI_LARB_NR 5
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/* prog pfh dist related */
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#define PROG_PFH_DIST 2
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#define M4U0_PROG_PFH_NR (PROG_PFH_DIST)
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#define M4U1_PROG_PFH_NR (PROG_PFH_DIST)
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#define M4U_PROG_PFH_NUM(m4u_id) \
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((m4u_id) ? M4U1_PROG_PFH_NR : M4U0_PROG_PFH_NR)
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struct M4U_PERF_COUNT {
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unsigned int transaction_cnt[2];
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unsigned int main_tlb_miss_cnt[2];
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unsigned int pfh_tlb_miss_cnt;
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unsigned int pfh_cnt;
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unsigned int rs_perf_cnt[2];
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};
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struct mmu_tlb {
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unsigned int tag;
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unsigned int desc;
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};
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struct mmu_pfh_tlb {
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unsigned int va;
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unsigned int va_msk;
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char layer;
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char x16;
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char sec;
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char pfh;
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char valid;
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unsigned int desc[MMU_PAGE_PER_LINE];
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int set;
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int way;
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unsigned int page_size;
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unsigned int tag;
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};
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struct m4u_port_t {
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char *name;
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unsigned m4u_id: 2;
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unsigned m4u_slave: 2;
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unsigned larb_id: 4;
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unsigned larb_port: 8;
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unsigned tf_id: 12; /* 12 bits */
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bool enable_tf;
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m4u_reclaim_mva_callback_t *reclaim_fn;
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void *reclaim_data;
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m4u_fault_callback_t *fault_fn;
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void *fault_data;
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};
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struct M4U_RANGE_DES /* sequential entry range */
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{
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unsigned int Enabled;
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unsigned int port;
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unsigned int MVAStart;
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unsigned int MVAEnd;
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/* unsigned int entryCount; */
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};
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struct M4U_MAU_STATUS /* mau entry */
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{
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bool Enabled;
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unsigned int port;
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unsigned int MVAStart;
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unsigned int MVAEnd;
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};
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struct M4U_PROG_DIST { /* prog pfh dist */
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unsigned int Enabled;
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unsigned int port;
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unsigned int mm_id;
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unsigned int dir;
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unsigned int dist;
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unsigned int en;
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unsigned int sel;
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};
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extern struct m4u_port_t gM4uPort[];
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static inline char *m4u_get_port_name(unsigned int portID)
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{
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if ((portID < M4U_PORT_NR) && (portID >= M4U_PORT_MIN))
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return gM4uPort[portID].name;
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return "m4u_port_unknown";
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}
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static inline unsigned int m4u_get_port_by_tf_id(unsigned int m4u_id, int tf_id)
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{
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int i, tf_id_old;
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tf_id_old = tf_id;
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if (m4u_id == 0)
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tf_id &= F_MMU0_INT_ID_TF_MSK;
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for (i = 0; i < M4U_PORT_NR; i++) {
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if ((gM4uPort[i].tf_id == tf_id) &&
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(gM4uPort[i].m4u_id == m4u_id))
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return i;
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}
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M4UMSG("error: m4u_id=%d, tf_id=0x%x\n", m4u_id, tf_id_old);
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return M4U_PORT_UNKNOWN;
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}
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static inline unsigned int m4u_port_2_larb_port(unsigned int port)
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{
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if (unlikely(port < M4U_PORT_MIN || port >= M4U_PORT_NR)) {
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M4UMSG("%s, %d, invalid port%d\n", __func__, __LINE__, port);
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return M4U_MAX_LARB_PORT;
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}
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return gM4uPort[port].larb_port;
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}
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static inline unsigned int m4u_port_2_larb_id(unsigned int port)
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{
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if (unlikely(port < M4U_PORT_MIN || port >= M4U_PORT_NR)) {
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M4UMSG("%s, %d, invalid port%d\n", __func__, __LINE__, port);
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return SMI_LARB_NR;
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}
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return gM4uPort[port].larb_id;
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}
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static inline unsigned int larb_2_m4u_slave_id(int larb)
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{
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int i;
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for (i = 0; i < M4U_PORT_NR; i++) {
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if (gM4uPort[i].larb_id == larb)
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return gM4uPort[i].m4u_slave;
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}
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return M4U_MAX_SLAVE;
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}
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static inline unsigned int m4u_port_2_m4u_id(unsigned int port)
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{
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if (unlikely(port < M4U_PORT_MIN || port >= M4U_PORT_NR)) {
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M4UMSG("%s, %d, invalid port%d\n", __func__, __LINE__, port);
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return TOTAL_M4U_NUM;
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}
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return gM4uPort[port].m4u_id;
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}
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static inline unsigned int m4u_port_2_m4u_slave_id(unsigned int port)
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{
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if (unlikely(port < M4U_PORT_MIN || port >= M4U_PORT_NR)) {
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M4UMSG("%s, %d, invalid port%d\n", __func__, __LINE__, port);
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return M4U_MAX_SLAVE;
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}
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return gM4uPort[port].m4u_slave;
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}
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static inline unsigned int larb_port_2_m4u_port(int larb, int larb_port)
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{
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int i;
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for (i = 0; i < M4U_PORT_NR; i++) {
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if (gM4uPort[i].larb_id == larb &&
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gM4uPort[i].larb_port == larb_port)
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return i;
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}
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M4UMSG("unknown larb port: larb=%d,larb_port=%d\n",
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larb, larb_port);
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return M4U_PORT_UNKNOWN;
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}
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void m4u_print_perf_counter(int m4u_index, int m4u_slave_id, const char *msg);
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int m4u_dump_reg(int m4u_index, unsigned int start, unsigned int end);
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extern struct m4u_device *gM4uDev;
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#ifdef M4U_TEE_SERVICE_ENABLE
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extern int m4u_tee_en;
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#endif
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#endif
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