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Subject[PATCH 7/7] soc/fman: Add the FMan SP FLIB
Date
From: Igal Liberman <Igal.Liberman@freescale.com>

Signed-off-by: Igal Liberman <Igal.Liberman@freescale.com>
---
drivers/soc/fsl/fman/Makefile | 1 +
drivers/soc/fsl/fman/sp/Makefile | 13 +++
drivers/soc/fsl/fman/sp/fman_sp.c | 204 ++++++++++++++++++++++++++++++++++++++
3 files changed, 218 insertions(+)
create mode 100644 drivers/soc/fsl/fman/sp/Makefile
create mode 100644 drivers/soc/fsl/fman/sp/fman_sp.c

diff --git a/drivers/soc/fsl/fman/Makefile b/drivers/soc/fsl/fman/Makefile
index f415188..4a854b3 100644
--- a/drivers/soc/fsl/fman/Makefile
+++ b/drivers/soc/fsl/fman/Makefile
@@ -14,5 +14,6 @@ obj-$(CONFIG_FSL_FMAN_PORT) += port/
obj-$(CONFIG_FSL_FMAN_MAC) += mac/
obj-$(CONFIG_FSL_FMAN_PCD) += pcd/
obj-$(CONFIG_FSL_FMAN_RTC) += rtc/
+obj-$(CONFIG_FSL_FMAN) += sp/

endif
diff --git a/drivers/soc/fsl/fman/sp/Makefile b/drivers/soc/fsl/fman/sp/Makefile
new file mode 100644
index 0000000..4655c11
--- /dev/null
+++ b/drivers/soc/fsl/fman/sp/Makefile
@@ -0,0 +1,13 @@
+ccflags-y += -DVERSION=\"\"
+
+ifeq ($(CONFIG_FSL_FMAN),y)
+
+FMAN = $(srctree)/drivers/soc/fsl/fman
+
+ccflags-y += -I$(FMAN)/flib
+
+obj-$(CONFIG_FSL_FMAN) += fsl_fman_sp.o
+
+fsl_fman_sp-objs := fman_sp.o
+
+endif
diff --git a/drivers/soc/fsl/fman/sp/fman_sp.c b/drivers/soc/fsl/fman/sp/fman_sp.c
new file mode 100644
index 0000000..e11413d
--- /dev/null
+++ b/drivers/soc/fsl/fman/sp/fman_sp.c
@@ -0,0 +1,204 @@
+/*
+ * Copyright 2008-2015 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "fsl_fman_sp.h"
+
+uint32_t fman_vsp_get_statistics(struct fm_pcd_storage_profile_regs *regs,
+ uint16_t index)
+{
+ struct fm_pcd_storage_profile_regs *sp_regs;
+
+ sp_regs = &regs[index];
+ return ioread32be(&sp_regs->fm_sp_acnt);
+}
+
+void fman_vsp_set_statistics(struct fm_pcd_storage_profile_regs *regs,
+ uint16_t index, uint32_t value)
+{
+ struct fm_pcd_storage_profile_regs *sp_regs;
+
+ sp_regs = &regs[index];
+ iowrite32be(value, &sp_regs->fm_sp_acnt);
+}
+
+void fman_vsp_defconfig(struct fm_storage_profile_params *cfg)
+{
+ cfg->dma_swap_data = DEFAULT_FMAN_SP_DMA_SWAP_DATA;
+ cfg->int_context_cache_attr =
+ DEFAULT_FMAN_SP_DMA_INT_CONTEXT_CACHE_ATTR;
+ cfg->header_cache_attr = DEFAULT_FMAN_SP_DMA_HEADER_CACHE_ATTR;
+ cfg->scatter_gather_cache_attr =
+ DEFAULT_FMAN_SP_DMA_SCATTER_GATHER_CACHE_ATTR;
+ cfg->dma_write_optimize = DEFAULT_FMAN_SP_DMA_WRITE_OPTIMIZE;
+ cfg->no_scather_gather = DEFAULT_FMAN_SP_NO_SCATTER_GATHER;
+}
+
+static inline uint32_t calc_vec_dep(int max_pools, bool *pools,
+ struct fman_ext_pools *ext_buf_pools,
+ uint32_t mask)
+{
+ int i, j;
+ uint32_t vector = 0;
+
+ for (i = 0; i < max_pools; i++)
+ if (pools[i])
+ for (j = 0; j < ext_buf_pools->num_pools_used; j++)
+ if (i == ext_buf_pools->ext_buf_pool[j].id) {
+ vector |= mask >> j;
+ break;
+ }
+ return vector;
+}
+
+void fman_vsp_init(struct fm_pcd_storage_profile_regs *regs,
+ uint16_t index,
+ struct fm_storage_profile_params *fm_vsp_params,
+ int port_max_num_of_ext_pools, int bm_max_num_of_pools,
+ int max_num_of_pfc_priorities)
+{
+ int i = 0, j = 0;
+ struct fm_pcd_storage_profile_regs *sp_regs;
+ uint32_t tmp_reg, vector;
+ struct fman_ext_pools *ext_buf_pools = &fm_vsp_params->fm_ext_pools;
+ struct fman_buf_pool_depletion *buf_pool_depletion =
+ &fm_vsp_params->buf_pool_depletion;
+ struct fman_backup_bm_pools *backup_pools =
+ &fm_vsp_params->backup_pools;
+ struct fman_sp_int_context_data_copy *int_context_data_copy =
+ fm_vsp_params->int_context;
+ struct fman_sp_buf_margins *external_buffer_margins =
+ fm_vsp_params->buf_margins;
+ bool no_scather_gather = fm_vsp_params->no_scather_gather;
+ uint16_t liodn_offset = fm_vsp_params->liodn_offset;
+
+ sp_regs = &regs[index];
+
+ /* fill external buffers manager pool information register */
+ for (i = 0; i < ext_buf_pools->num_pools_used; i++) {
+ tmp_reg = FMAN_SP_EXT_BUF_POOL_VALID |
+ FMAN_SP_EXT_BUF_POOL_EN_COUNTER;
+ tmp_reg |= ((uint32_t)ext_buf_pools->ext_buf_pool[i].id <<
+ FMAN_SP_EXT_BUF_POOL_ID_SHIFT);
+ tmp_reg |= ext_buf_pools->ext_buf_pool[i].size;
+ /* functionality available only for some deriviatives
+ * (limited by config)
+ **/
+ for (j = 0; j < backup_pools->num_backup_pools; j++)
+ if (ext_buf_pools->ext_buf_pool[i].id ==
+ backup_pools->pool_ids[j]) {
+ tmp_reg |= FMAN_SP_EXT_BUF_POOL_BACKUP;
+ break;
+ }
+ iowrite32be(tmp_reg, &sp_regs->fm_sp_ebmpi[i]);
+ }
+
+ /* clear unused pools */
+ for (i = ext_buf_pools->num_pools_used;
+ i < port_max_num_of_ext_pools; i++)
+ iowrite32be(0, &sp_regs->fm_sp_ebmpi[i]);
+
+ /* fill pool depletion register */
+ tmp_reg = 0;
+ if (buf_pool_depletion->buf_pool_depletion_enabled &&
+ buf_pool_depletion->pools_grp_mode_enable) {
+ /* calculate vector for number of pools depletion */
+ vector =
+ calc_vec_dep(bm_max_num_of_pools,
+ buf_pool_depletion->pools_to_consider,
+ ext_buf_pools, 0x80000000);
+
+ /* configure num of pools and vector for number of pools mode */
+ tmp_reg |= (((uint32_t)buf_pool_depletion->num_pools - 1) <<
+ FMAN_SP_POOL_DEP_NUM_OF_POOLS_SHIFT);
+ tmp_reg |= vector;
+ }
+
+ if (buf_pool_depletion->buf_pool_depletion_enabled &&
+ buf_pool_depletion->single_pool_mode_enable) {
+ /* calculate vector for number of pools depletion */
+ vector =
+ calc_vec_dep(bm_max_num_of_pools,
+ buf_pool_depletion->
+ pools_to_consider_for_single_mode,
+ ext_buf_pools, 0x00000080);
+
+ /* configure num of pools and vector for number of pools mode */
+ tmp_reg |= vector;
+ }
+
+ /* fill QbbPEV */
+ if (buf_pool_depletion->buf_pool_depletion_enabled) {
+ vector = 0;
+ for (i = 0; i < max_num_of_pfc_priorities; i++)
+ if (buf_pool_depletion->pfc_priorities_en[i])
+ vector |= 0x00000100 << i;
+ tmp_reg |= vector;
+ }
+ iowrite32be(tmp_reg, &sp_regs->fm_sp_mpd);
+
+ /* fill dma attributes register */
+ tmp_reg = 0;
+ tmp_reg |= (uint32_t)fm_vsp_params->dma_swap_data <<
+ FMAN_SP_DMA_ATTR_SWP_SHIFT;
+ tmp_reg |= (uint32_t)fm_vsp_params->int_context_cache_attr <<
+ FMAN_SP_DMA_ATTR_IC_CACHE_SHIFT;
+ tmp_reg |= (uint32_t)fm_vsp_params->header_cache_attr <<
+ FMAN_SP_DMA_ATTR_HDR_CACHE_SHIFT;
+ tmp_reg |= (uint32_t)fm_vsp_params->scatter_gather_cache_attr <<
+ FMAN_SP_DMA_ATTR_SG_CACHE_SHIFT;
+ if (fm_vsp_params->dma_write_optimize)
+ tmp_reg |= FMAN_SP_DMA_ATTR_WRITE_OPTIMIZE;
+ iowrite32be(tmp_reg, &sp_regs->fm_sp_da);
+
+ /* IC parameters - fill internal context parameters register */
+ tmp_reg = 0;
+ tmp_reg |= (((uint32_t)int_context_data_copy->ext_buf_offset /
+ OFFSET_UNITS) << FMAN_SP_IC_TO_EXT_SHIFT);
+ tmp_reg |= (((uint32_t)int_context_data_copy->int_context_offset /
+ OFFSET_UNITS) << FMAN_SP_IC_FROM_INT_SHIFT);
+ tmp_reg |= (((uint32_t)int_context_data_copy->size / OFFSET_UNITS) <<
+ FMAN_SP_IC_SIZE_SHIFT);
+ iowrite32be(tmp_reg, &sp_regs->fm_sp_icp);
+
+ /* buffer margins - fill external buffer margins register */
+ tmp_reg = 0;
+ tmp_reg |= (((uint32_t)external_buffer_margins->start_margins) <<
+ FMAN_SP_EXT_BUF_MARG_START_SHIFT);
+ tmp_reg |= (((uint32_t)external_buffer_margins->end_margins) <<
+ FMAN_SP_EXT_BUF_MARG_END_SHIFT);
+ if (no_scather_gather)
+ tmp_reg |= FMAN_SP_SG_DISABLE;
+ iowrite32be(tmp_reg, &sp_regs->fm_sp_ebm);
+
+ /* buffer margins - fill spliodn register */
+ iowrite32be(liodn_offset, &sp_regs->fm_sp_spliodn);
+}
--
2.3.1


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