diff options
Diffstat (limited to 'cvmx-ipd.h')
| -rw-r--r-- | cvmx-ipd.h | 147 |
1 files changed, 20 insertions, 127 deletions
diff --git a/cvmx-ipd.h b/cvmx-ipd.h index c6c7bf997833d..3765a35fa1fc3 100644 --- a/cvmx-ipd.h +++ b/cvmx-ipd.h @@ -1,5 +1,5 @@ /***********************license start*************** - * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights + * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights * reserved. * * @@ -15,7 +15,7 @@ * disclaimer in the documentation and/or other materials provided * with the distribution. - * * Neither the name of Cavium Networks nor the names of + * * Neither the name of Cavium Inc. nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. @@ -26,7 +26,7 @@ * countries. * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" - * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR + * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM @@ -48,7 +48,7 @@ * * Interface to the hardware Input Packet Data unit. * - * <hr>$Revision: 49448 $<hr> + * <hr>$Revision: 70030 $<hr> */ @@ -159,17 +159,26 @@ static inline void cvmx_ipd_config(uint64_t mbuff_size, static inline void cvmx_ipd_enable(void) { cvmx_ipd_ctl_status_t ipd_reg; + ipd_reg.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS); + + /* + * busy-waiting for rst_done in o68 + */ + if (OCTEON_IS_MODEL(OCTEON_CN68XX)) + while(ipd_reg.s.rst_done != 0) + ipd_reg.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS); + if (ipd_reg.s.ipd_en) - { cvmx_dprintf("Warning: Enabling IPD when IPD already enabled.\n"); - } + ipd_reg.s.ipd_en = 1; - #if CVMX_ENABLE_LEN_M8_FIX - if(!OCTEON_IS_MODEL(OCTEON_CN38XX_PASS2)) { + +#if CVMX_ENABLE_LEN_M8_FIX + if(!OCTEON_IS_MODEL(OCTEON_CN38XX_PASS2)) ipd_reg.s.len_m8 = 1; - } - #endif +#endif + cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_reg.u64); } @@ -185,123 +194,7 @@ static inline void cvmx_ipd_disable(void) cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_reg.u64); } -#ifdef CVMX_ENABLE_PKO_FUNCTIONS -/** - * @INTERNAL - * This function is called by cvmx_helper_shutdown() to extract - * all FPA buffers out of the IPD and PIP. After this function - * completes, all FPA buffers that were prefetched by IPD and PIP - * wil be in the apropriate FPA pool. This functions does not reset - * PIP or IPD as FPA pool zero must be empty before the reset can - * be performed. WARNING: It is very important that IPD and PIP be - * reset soon after a call to this function. - */ -static inline void __cvmx_ipd_free_ptr(void) -{ - /* Only CN38XXp{1,2} cannot read pointer out of the IPD */ - if (!OCTEON_IS_MODEL(OCTEON_CN38XX_PASS2)) { - int no_wptr = 0; - cvmx_ipd_ptr_count_t ipd_ptr_count; - ipd_ptr_count.u64 = cvmx_read_csr(CVMX_IPD_PTR_COUNT); - - /* Handle Work Queue Entry in cn56xx and cn52xx */ - if (octeon_has_feature(OCTEON_FEATURE_NO_WPTR)) { - cvmx_ipd_ctl_status_t ipd_ctl_status; - ipd_ctl_status.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS); - if (ipd_ctl_status.s.no_wptr) - no_wptr = 1; - } - - /* Free the prefetched WQE */ - if (ipd_ptr_count.s.wqev_cnt) { - cvmx_ipd_wqe_ptr_valid_t ipd_wqe_ptr_valid; - ipd_wqe_ptr_valid.u64 = cvmx_read_csr(CVMX_IPD_WQE_PTR_VALID); - if (no_wptr) - cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_wqe_ptr_valid.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0); - else - cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_wqe_ptr_valid.s.ptr<<7), CVMX_FPA_WQE_POOL, 0); - } - - /* Free all WQE in the fifo */ - if (ipd_ptr_count.s.wqe_pcnt) { - int i; - cvmx_ipd_pwp_ptr_fifo_ctl_t ipd_pwp_ptr_fifo_ctl; - ipd_pwp_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PWP_PTR_FIFO_CTL); - for (i = 0; i < ipd_ptr_count.s.wqe_pcnt; i++) { - ipd_pwp_ptr_fifo_ctl.s.cena = 0; - ipd_pwp_ptr_fifo_ctl.s.raddr = ipd_pwp_ptr_fifo_ctl.s.max_cnts + (ipd_pwp_ptr_fifo_ctl.s.wraddr+i) % ipd_pwp_ptr_fifo_ctl.s.max_cnts; - cvmx_write_csr(CVMX_IPD_PWP_PTR_FIFO_CTL, ipd_pwp_ptr_fifo_ctl.u64); - ipd_pwp_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PWP_PTR_FIFO_CTL); - if (no_wptr) - cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_pwp_ptr_fifo_ctl.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0); - else - cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_pwp_ptr_fifo_ctl.s.ptr<<7), CVMX_FPA_WQE_POOL, 0); - } - ipd_pwp_ptr_fifo_ctl.s.cena = 1; - cvmx_write_csr(CVMX_IPD_PWP_PTR_FIFO_CTL, ipd_pwp_ptr_fifo_ctl.u64); - } - - /* Free the prefetched packet */ - if (ipd_ptr_count.s.pktv_cnt) { - cvmx_ipd_pkt_ptr_valid_t ipd_pkt_ptr_valid; - ipd_pkt_ptr_valid.u64 = cvmx_read_csr(CVMX_IPD_PKT_PTR_VALID); - cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_pkt_ptr_valid.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0); - } - - /* Free the per port prefetched packets */ - if (1) { - int i; - cvmx_ipd_prc_port_ptr_fifo_ctl_t ipd_prc_port_ptr_fifo_ctl; - ipd_prc_port_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PRC_PORT_PTR_FIFO_CTL); - - for (i = 0; i < ipd_prc_port_ptr_fifo_ctl.s.max_pkt; i++) { - ipd_prc_port_ptr_fifo_ctl.s.cena = 0; - ipd_prc_port_ptr_fifo_ctl.s.raddr = i % ipd_prc_port_ptr_fifo_ctl.s.max_pkt; - cvmx_write_csr(CVMX_IPD_PRC_PORT_PTR_FIFO_CTL, ipd_prc_port_ptr_fifo_ctl.u64); - ipd_prc_port_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PRC_PORT_PTR_FIFO_CTL); - cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_prc_port_ptr_fifo_ctl.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0); - } - ipd_prc_port_ptr_fifo_ctl.s.cena = 1; - cvmx_write_csr(CVMX_IPD_PRC_PORT_PTR_FIFO_CTL, ipd_prc_port_ptr_fifo_ctl.u64); - } - - /* Free all packets in the holding fifo */ - if (ipd_ptr_count.s.pfif_cnt) { - int i; - cvmx_ipd_prc_hold_ptr_fifo_ctl_t ipd_prc_hold_ptr_fifo_ctl; - - ipd_prc_hold_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PRC_HOLD_PTR_FIFO_CTL); - - for (i = 0; i < ipd_ptr_count.s.pfif_cnt; i++) { - ipd_prc_hold_ptr_fifo_ctl.s.cena = 0; - ipd_prc_hold_ptr_fifo_ctl.s.raddr = (ipd_prc_hold_ptr_fifo_ctl.s.praddr + i) % ipd_prc_hold_ptr_fifo_ctl.s.max_pkt; - cvmx_write_csr(CVMX_IPD_PRC_HOLD_PTR_FIFO_CTL, ipd_prc_hold_ptr_fifo_ctl.u64); - ipd_prc_hold_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PRC_HOLD_PTR_FIFO_CTL); - cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_prc_hold_ptr_fifo_ctl.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0); - } - ipd_prc_hold_ptr_fifo_ctl.s.cena = 1; - cvmx_write_csr(CVMX_IPD_PRC_HOLD_PTR_FIFO_CTL, ipd_prc_hold_ptr_fifo_ctl.u64); - } - - /* Free all packets in the fifo */ - if (ipd_ptr_count.s.pkt_pcnt) { - int i; - cvmx_ipd_pwp_ptr_fifo_ctl_t ipd_pwp_ptr_fifo_ctl; - ipd_pwp_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PWP_PTR_FIFO_CTL); - - for (i = 0; i < ipd_ptr_count.s.pkt_pcnt; i++) { - ipd_pwp_ptr_fifo_ctl.s.cena = 0; - ipd_pwp_ptr_fifo_ctl.s.raddr = (ipd_pwp_ptr_fifo_ctl.s.praddr+i) % ipd_pwp_ptr_fifo_ctl.s.max_cnts; - cvmx_write_csr(CVMX_IPD_PWP_PTR_FIFO_CTL, ipd_pwp_ptr_fifo_ctl.u64); - ipd_pwp_ptr_fifo_ctl.u64 = cvmx_read_csr(CVMX_IPD_PWP_PTR_FIFO_CTL); - cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_pwp_ptr_fifo_ctl.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0); - } - ipd_pwp_ptr_fifo_ctl.s.cena = 1; - cvmx_write_csr(CVMX_IPD_PWP_PTR_FIFO_CTL, ipd_pwp_ptr_fifo_ctl.u64); - } - } -} -#endif +extern void __cvmx_ipd_free_ptr(void); #ifdef __cplusplus } |