diff options
Diffstat (limited to 'arch/arm/include/asm/ti-common/keystone_nav.h')
| -rw-r--r-- | arch/arm/include/asm/ti-common/keystone_nav.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/arch/arm/include/asm/ti-common/keystone_nav.h b/arch/arm/include/asm/ti-common/keystone_nav.h new file mode 100644 index 0000000000..696d8c6fc0 --- /dev/null +++ b/arch/arm/include/asm/ti-common/keystone_nav.h @@ -0,0 +1,191 @@ +/* + * Multicore Navigator definitions + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _KEYSTONE_NAV_H_ +#define _KEYSTONE_NAV_H_ + +#include <asm/arch/hardware.h> +#include <asm/io.h> + +#define QM_OK 0 +#define QM_ERR -1 +#define QM_DESC_TYPE_HOST 0 +#define QM_DESC_PSINFO_IN_DESCR 0 +#define QM_DESC_DEFAULT_DESCINFO (QM_DESC_TYPE_HOST << 30) | \ + (QM_DESC_PSINFO_IN_DESCR << 22) + +/* Packet Info */ +#define QM_DESC_PINFO_EPIB 1 +#define QM_DESC_PINFO_RETURN_OWN 1 +#define QM_DESC_DEFAULT_PINFO (QM_DESC_PINFO_EPIB << 31) | \ + (QM_DESC_PINFO_RETURN_OWN << 15) + +struct qm_cfg_reg { + u32 revision; + u32 __pad1; + u32 divert; + u32 link_ram_base0; + u32 link_ram_size0; + u32 link_ram_base1; + u32 link_ram_size1; + u32 link_ram_base2; + u32 starvation[0]; +}; + +struct descr_mem_setup_reg { + u32 base_addr; + u32 start_idx; + u32 desc_reg_size; + u32 _res0; +}; + +struct qm_reg_queue { + u32 entry_count; + u32 byte_count; + u32 packet_size; + u32 ptr_size_thresh; +}; + +struct qm_config { + /* QM module addresses */ + u32 stat_cfg; /* status and config */ + struct qm_reg_queue *queue; /* management region */ + u32 mngr_vbusm; /* management region (VBUSM) */ + u32 i_lram; /* internal linking RAM */ + struct qm_reg_queue *proxy; + u32 status_ram; + struct qm_cfg_reg *mngr_cfg; + /* Queue manager config region */ + u32 intd_cfg; /* QMSS INTD config region */ + struct descr_mem_setup_reg *desc_mem; + /* descritor memory setup region*/ + u32 region_num; + u32 pdsp_cmd; /* PDSP1 command interface */ + u32 pdsp_ctl; /* PDSP1 control registers */ + u32 pdsp_iram; + /* QM configuration parameters */ + + u32 qpool_num; /* */ +}; + +struct qm_host_desc { + u32 desc_info; + u32 tag_info; + u32 packet_info; + u32 buff_len; + u32 buff_ptr; + u32 next_bdptr; + u32 orig_buff_len; + u32 orig_buff_ptr; + u32 timestamp; + u32 swinfo[3]; + u32 ps_data[20]; +}; + +#define HDESC_NUM 256 + +int qm_init(void); +void qm_close(void); +void qm_push(struct qm_host_desc *hd, u32 qnum); +struct qm_host_desc *qm_pop(u32 qnum); + +void qm_buff_push(struct qm_host_desc *hd, u32 qnum, + void *buff_ptr, u32 buff_len); + +struct qm_host_desc *qm_pop_from_free_pool(void); +void queue_close(u32 qnum); + +/* + * DMA API + */ +#define CPDMA_REG_VAL_MAKE_RX_FLOW_A(einfo, psinfo, rxerr, desc, \ + psloc, sopoff, qmgr, qnum) \ + (((einfo & 1) << 30) | \ + ((psinfo & 1) << 29) | \ + ((rxerr & 1) << 28) | \ + ((desc & 3) << 26) | \ + ((psloc & 1) << 25) | \ + ((sopoff & 0x1ff) << 16) | \ + ((qmgr & 3) << 12) | \ + ((qnum & 0xfff) << 0)) + +#define CPDMA_REG_VAL_MAKE_RX_FLOW_D(fd0qm, fd0qnum, fd1qm, fd1qnum) \ + (((fd0qm & 3) << 28) | \ + ((fd0qnum & 0xfff) << 16) | \ + ((fd1qm & 3) << 12) | \ + ((fd1qnum & 0xfff) << 0)) + +#define CPDMA_CHAN_A_ENABLE ((u32)1 << 31) +#define CPDMA_CHAN_A_TDOWN (1 << 30) +#define TDOWN_TIMEOUT_COUNT 100 + +struct global_ctl_regs { + u32 revision; + u32 perf_control; + u32 emulation_control; + u32 priority_control; + u32 qm_base_addr[4]; +}; + +struct tx_chan_regs { + u32 cfg_a; + u32 cfg_b; + u32 res[6]; +}; + +struct rx_chan_regs { + u32 cfg_a; + u32 res[7]; +}; + +struct rx_flow_regs { + u32 control; + u32 tags; + u32 tag_sel; + u32 fdq_sel[2]; + u32 thresh[3]; +}; + +struct pktdma_cfg { + struct global_ctl_regs *global; + struct tx_chan_regs *tx_ch; + u32 tx_ch_num; + struct rx_chan_regs *rx_ch; + u32 rx_ch_num; + u32 *tx_sched; + struct rx_flow_regs *rx_flows; + u32 rx_flow_num; + + u32 rx_free_q; + u32 rx_rcv_q; + u32 tx_snd_q; + + u32 rx_flow; /* flow that is used for RX */ +}; + +extern struct pktdma_cfg netcp_pktdma; + +/* + * packet dma user allocates memory for rx buffers + * and describe it in the following structure + */ +struct rx_buff_desc { + u8 *buff_ptr; + u32 num_buffs; + u32 buff_len; + u32 rx_flow; +}; + +int ksnav_close(struct pktdma_cfg *pktdma); +int ksnav_init(struct pktdma_cfg *pktdma, struct rx_buff_desc *rx_buffers); +int ksnav_send(struct pktdma_cfg *pktdma, u32 *pkt, int num_bytes, u32 swinfo2); +void *ksnav_recv(struct pktdma_cfg *pktdma, u32 **pkt, int *num_bytes); +void ksnav_release_rxhd(struct pktdma_cfg *pktdma, void *hd); + +#endif /* _KEYSTONE_NAV_H_ */ |