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-rw-r--r--drivers/staging/octeon/cvmx-ipd.h338
1 files changed, 0 insertions, 338 deletions
diff --git a/drivers/staging/octeon/cvmx-ipd.h b/drivers/staging/octeon/cvmx-ipd.h
deleted file mode 100644
index 115a552c5c7f..000000000000
--- a/drivers/staging/octeon/cvmx-ipd.h
+++ /dev/null
@@ -1,338 +0,0 @@
-/***********************license start***************
- * Author: Cavium Networks
- *
- * Contact: support@caviumnetworks.com
- * This file is part of the OCTEON SDK
- *
- * Copyright (c) 2003-2008 Cavium Networks
- *
- * This file is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, Version 2, as
- * published by the Free Software Foundation.
- *
- * This file is distributed in the hope that it will be useful, but
- * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
- * NONINFRINGEMENT. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this file; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- * or visit http://www.gnu.org/licenses/.
- *
- * This file may also be available under a different license from Cavium.
- * Contact Cavium Networks for more information
- ***********************license end**************************************/
-
-/**
- *
- * Interface to the hardware Input Packet Data unit.
- */
-
-#ifndef __CVMX_IPD_H__
-#define __CVMX_IPD_H__
-
-#include <asm/octeon/octeon-feature.h>
-
-#include <asm/octeon/cvmx-ipd-defs.h>
-
-enum cvmx_ipd_mode {
- CVMX_IPD_OPC_MODE_STT = 0LL, /* All blocks DRAM, not cached in L2 */
- CVMX_IPD_OPC_MODE_STF = 1LL, /* All bloccks into L2 */
- CVMX_IPD_OPC_MODE_STF1_STT = 2LL, /* 1st block L2, rest DRAM */
- CVMX_IPD_OPC_MODE_STF2_STT = 3LL /* 1st, 2nd blocks L2, rest DRAM */
-};
-
-#ifndef CVMX_ENABLE_LEN_M8_FIX
-#define CVMX_ENABLE_LEN_M8_FIX 0
-#endif
-
-/* CSR typedefs have been moved to cvmx-csr-*.h */
-typedef union cvmx_ipd_1st_mbuff_skip cvmx_ipd_mbuff_first_skip_t;
-typedef union cvmx_ipd_1st_next_ptr_back cvmx_ipd_first_next_ptr_back_t;
-
-typedef cvmx_ipd_mbuff_first_skip_t cvmx_ipd_mbuff_not_first_skip_t;
-typedef cvmx_ipd_first_next_ptr_back_t cvmx_ipd_second_next_ptr_back_t;
-
-/**
- * Configure IPD
- *
- * @mbuff_size: Packets buffer size in 8 byte words
- * @first_mbuff_skip:
- * Number of 8 byte words to skip in the first buffer
- * @not_first_mbuff_skip:
- * Number of 8 byte words to skip in each following buffer
- * @first_back: Must be same as first_mbuff_skip / 128
- * @second_back:
- * Must be same as not_first_mbuff_skip / 128
- * @wqe_fpa_pool:
- * FPA pool to get work entries from
- * @cache_mode:
- * @back_pres_enable_flag:
- * Enable or disable port back pressure
- */
-static inline void cvmx_ipd_config(uint64_t mbuff_size,
- uint64_t first_mbuff_skip,
- uint64_t not_first_mbuff_skip,
- uint64_t first_back,
- uint64_t second_back,
- uint64_t wqe_fpa_pool,
- enum cvmx_ipd_mode cache_mode,
- uint64_t back_pres_enable_flag)
-{
- cvmx_ipd_mbuff_first_skip_t first_skip;
- cvmx_ipd_mbuff_not_first_skip_t not_first_skip;
- union cvmx_ipd_packet_mbuff_size size;
- cvmx_ipd_first_next_ptr_back_t first_back_struct;
- cvmx_ipd_second_next_ptr_back_t second_back_struct;
- union cvmx_ipd_wqe_fpa_queue wqe_pool;
- union cvmx_ipd_ctl_status ipd_ctl_reg;
-
- first_skip.u64 = 0;
- first_skip.s.skip_sz = first_mbuff_skip;
- cvmx_write_csr(CVMX_IPD_1ST_MBUFF_SKIP, first_skip.u64);
-
- not_first_skip.u64 = 0;
- not_first_skip.s.skip_sz = not_first_mbuff_skip;
- cvmx_write_csr(CVMX_IPD_NOT_1ST_MBUFF_SKIP, not_first_skip.u64);
-
- size.u64 = 0;
- size.s.mb_size = mbuff_size;
- cvmx_write_csr(CVMX_IPD_PACKET_MBUFF_SIZE, size.u64);
-
- first_back_struct.u64 = 0;
- first_back_struct.s.back = first_back;
- cvmx_write_csr(CVMX_IPD_1st_NEXT_PTR_BACK, first_back_struct.u64);
-
- second_back_struct.u64 = 0;
- second_back_struct.s.back = second_back;
- cvmx_write_csr(CVMX_IPD_2nd_NEXT_PTR_BACK, second_back_struct.u64);
-
- wqe_pool.u64 = 0;
- wqe_pool.s.wqe_pool = wqe_fpa_pool;
- cvmx_write_csr(CVMX_IPD_WQE_FPA_QUEUE, wqe_pool.u64);
-
- ipd_ctl_reg.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS);
- ipd_ctl_reg.s.opc_mode = cache_mode;
- ipd_ctl_reg.s.pbp_en = back_pres_enable_flag;
- cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_ctl_reg.u64);
-
- /* Note: the example RED code that used to be here has been moved to
- cvmx_helper_setup_red */
-}
-
-/**
- * Enable IPD
- */
-static inline void cvmx_ipd_enable(void)
-{
- union cvmx_ipd_ctl_status ipd_reg;
- 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))
- ipd_reg.s.len_m8 = TRUE;
-#endif
- cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_reg.u64);
-}
-
-/**
- * Disable IPD
- */
-static inline void cvmx_ipd_disable(void)
-{
- union cvmx_ipd_ctl_status ipd_reg;
- ipd_reg.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS);
- ipd_reg.s.ipd_en = 0;
- cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_reg.u64);
-}
-
-/**
- * Supportive function for cvmx_fpa_shutdown_pool.
- */
-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_PASS1)
- && !OCTEON_IS_MODEL(OCTEON_CN38XX_PASS2)) {
- int no_wptr = 0;
- union cvmx_ipd_ptr_count 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)) {
- union cvmx_ipd_ctl_status 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) {
- union cvmx_ipd_wqe_ptr_valid 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;
- union cvmx_ipd_pwp_ptr_fifo_ctl 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) {
- union cvmx_ipd_pkt_ptr_valid ipd_pkt_ptr_valid;
- ipd_pkt_ptr_valid.u64 =
- cvmx_read_csr(CVMX_IPD_PKT_PTR_VALID);
- cvmx_fpa_free(cvmx_phys_to_ptr
- (ipd_pkt_ptr_valid.s.ptr << 7),
- CVMX_FPA_PACKET_POOL, 0);
- }
-
- /* Free the per port prefetched packets */
- if (1) {
- int i;
- union cvmx_ipd_prc_port_ptr_fifo_ctl
- 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;
- union cvmx_ipd_prc_hold_ptr_fifo_ctl
- 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;
- union cvmx_ipd_pwp_ptr_fifo_ctl 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);
- }
-
- /* Reset the IPD to get all buffers out of it */
- {
- union cvmx_ipd_ctl_status ipd_ctl_status;
- ipd_ctl_status.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS);
- ipd_ctl_status.s.reset = 1;
- cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_ctl_status.u64);
- }
-
- /* Reset the PIP */
- {
- union cvmx_pip_sft_rst pip_sft_rst;
- pip_sft_rst.u64 = cvmx_read_csr(CVMX_PIP_SFT_RST);
- pip_sft_rst.s.rst = 1;
- cvmx_write_csr(CVMX_PIP_SFT_RST, pip_sft_rst.u64);
- }
- }
-}
-
-#endif /* __CVMX_IPD_H__ */

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