diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/7169-staging-fsl-mc-update-dprc-binary-interface-to-v5.1.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/7169-staging-fsl-mc-update-dprc-binary-interface-to-v5.1.patch | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.4/7169-staging-fsl-mc-update-dprc-binary-interface-to-v5.1.patch b/target/linux/layerscape/patches-4.4/7169-staging-fsl-mc-update-dprc-binary-interface-to-v5.1.patch new file mode 100644 index 0000000000..4db299803d --- /dev/null +++ b/target/linux/layerscape/patches-4.4/7169-staging-fsl-mc-update-dprc-binary-interface-to-v5.1.patch @@ -0,0 +1,206 @@ +From 45dce4cd82ddc618ade56747620a2a29f7d9a99d Mon Sep 17 00:00:00 2001 +From: Stuart Yoder <stuart.yoder@nxp.com> +Date: Mon, 11 Apr 2016 11:48:59 -0500 +Subject: [PATCH 169/226] staging: fsl-mc: update dprc binary interface to + v5.1 + +The meaning of the "status" parameter in dprc_get_irq_status +has changed, and this patch updates the flib and caller +of the API. + +Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com> +Acked-by: German Rivera <german.rivera@nxp.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/staging/fsl-mc/bus/dprc-cmd.h | 4 ++-- + drivers/staging/fsl-mc/bus/dprc-driver.c | 1 + + drivers/staging/fsl-mc/bus/dprc.c | 26 +++++++++++++------------- + drivers/staging/fsl-mc/bus/mc-msi.c | 2 +- + drivers/staging/fsl-mc/include/dprc.h | 19 ++++++++++++------- + 5 files changed, 29 insertions(+), 23 deletions(-) + +--- a/drivers/staging/fsl-mc/bus/dprc-cmd.h ++++ b/drivers/staging/fsl-mc/bus/dprc-cmd.h +@@ -41,8 +41,8 @@ + #define _FSL_DPRC_CMD_H + + /* DPRC Version */ +-#define DPRC_VER_MAJOR 4 +-#define DPRC_VER_MINOR 0 ++#define DPRC_VER_MAJOR 5 ++#define DPRC_VER_MINOR 1 + + /* Command IDs */ + #define DPRC_CMDID_CLOSE 0x800 +--- a/drivers/staging/fsl-mc/bus/dprc-driver.c ++++ b/drivers/staging/fsl-mc/bus/dprc-driver.c +@@ -423,6 +423,7 @@ static irqreturn_t dprc_irq0_handler_thr + if (WARN_ON(!msi_desc || msi_desc->irq != (u32)irq_num)) + goto out; + ++ status = 0; + error = dprc_get_irq_status(mc_io, 0, mc_dev->mc_handle, 0, + &status); + if (error < 0) { +--- a/drivers/staging/fsl-mc/bus/dprc.c ++++ b/drivers/staging/fsl-mc/bus/dprc.c +@@ -265,7 +265,7 @@ int dprc_get_irq(struct fsl_mc_io *mc_io + /* retrieve response parameters */ + irq_cfg->val = mc_dec(cmd.params[0], 0, 32); + irq_cfg->paddr = mc_dec(cmd.params[1], 0, 64); +- irq_cfg->user_irq_id = mc_dec(cmd.params[2], 0, 32); ++ irq_cfg->irq_num = mc_dec(cmd.params[2], 0, 32); + *type = mc_dec(cmd.params[2], 32, 32); + + return 0; +@@ -296,7 +296,7 @@ int dprc_set_irq(struct fsl_mc_io *mc_io + cmd.params[0] |= mc_enc(32, 8, irq_index); + cmd.params[0] |= mc_enc(0, 32, irq_cfg->val); + cmd.params[1] |= mc_enc(0, 64, irq_cfg->paddr); +- cmd.params[2] |= mc_enc(0, 32, irq_cfg->user_irq_id); ++ cmd.params[2] |= mc_enc(0, 32, irq_cfg->irq_num); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +@@ -466,6 +466,7 @@ int dprc_get_irq_status(struct fsl_mc_io + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_STATUS, + cmd_flags, token); ++ cmd.params[0] |= mc_enc(0, 32, *status); + cmd.params[0] |= mc_enc(32, 8, irq_index); + + /* send command to mc*/ +@@ -948,6 +949,7 @@ int dprc_get_obj(struct fsl_mc_io *mc_io + obj_desc->state = mc_dec(cmd.params[1], 32, 32); + obj_desc->ver_major = mc_dec(cmd.params[2], 0, 16); + obj_desc->ver_minor = mc_dec(cmd.params[2], 16, 16); ++ obj_desc->flags = mc_dec(cmd.params[2], 32, 16); + obj_desc->type[0] = mc_dec(cmd.params[3], 0, 8); + obj_desc->type[1] = mc_dec(cmd.params[3], 8, 8); + obj_desc->type[2] = mc_dec(cmd.params[3], 16, 8); +@@ -1042,6 +1044,7 @@ int dprc_get_obj_desc(struct fsl_mc_io * + obj_desc->state = (u32)mc_dec(cmd.params[1], 32, 32); + obj_desc->ver_major = (u16)mc_dec(cmd.params[2], 0, 16); + obj_desc->ver_minor = (u16)mc_dec(cmd.params[2], 16, 16); ++ obj_desc->flags = mc_dec(cmd.params[2], 32, 16); + obj_desc->type[0] = (char)mc_dec(cmd.params[3], 0, 8); + obj_desc->type[1] = (char)mc_dec(cmd.params[3], 8, 8); + obj_desc->type[2] = (char)mc_dec(cmd.params[3], 16, 8); +@@ -1108,7 +1111,7 @@ int dprc_set_obj_irq(struct fsl_mc_io *m + cmd.params[0] |= mc_enc(32, 8, irq_index); + cmd.params[0] |= mc_enc(0, 32, irq_cfg->val); + cmd.params[1] |= mc_enc(0, 64, irq_cfg->paddr); +- cmd.params[2] |= mc_enc(0, 32, irq_cfg->user_irq_id); ++ cmd.params[2] |= mc_enc(0, 32, irq_cfg->irq_num); + cmd.params[2] |= mc_enc(32, 32, obj_id); + cmd.params[3] |= mc_enc(0, 8, obj_type[0]); + cmd.params[3] |= mc_enc(8, 8, obj_type[1]); +@@ -1189,7 +1192,7 @@ int dprc_get_obj_irq(struct fsl_mc_io *m + /* retrieve response parameters */ + irq_cfg->val = (u32)mc_dec(cmd.params[0], 0, 32); + irq_cfg->paddr = (u64)mc_dec(cmd.params[1], 0, 64); +- irq_cfg->user_irq_id = (int)mc_dec(cmd.params[2], 0, 32); ++ irq_cfg->irq_num = (int)mc_dec(cmd.params[2], 0, 32); + *type = (int)mc_dec(cmd.params[2], 32, 32); + + return 0; +@@ -1437,14 +1440,8 @@ EXPORT_SYMBOL(dprc_set_obj_label); + * @endpoint1: Endpoint 1 configuration parameters + * @endpoint2: Endpoint 2 configuration parameters + * @cfg: Connection configuration. The connection configuration is ignored for +- * connections made to DPMAC objects, where rate is set according to +- * MAC configuration. +- * The committed rate is the guaranteed rate for the connection. +- * The maximum rate is an upper limit allowed for the connection; it is +- * expected to be equal or higher than the committed rate. +- * When committed and maximum rates are both zero, the connection is set +- * to "best effort" mode, having lower priority compared to connections +- * with committed or maximum rates. ++ * connections made to DPMAC objects, where rate is retrieved from the ++ * MAC configuration. + * + * Return: '0' on Success; Error code otherwise. + */ +@@ -1555,7 +1552,10 @@ int dprc_disconnect(struct fsl_mc_io *mc + * @token: Token of DPRC object + * @endpoint1: Endpoint 1 configuration parameters + * @endpoint2: Returned endpoint 2 configuration parameters +-* @state: Returned link state: 1 - link is up, 0 - link is down ++* @state: Returned link state: ++* 1 - link is up; ++* 0 - link is down; ++* -1 - no connection (endpoint2 information is irrelevant) + * + * Return: '0' on Success; -ENAVAIL if connection does not exist. + */ +--- a/drivers/staging/fsl-mc/bus/mc-msi.c ++++ b/drivers/staging/fsl-mc/bus/mc-msi.c +@@ -65,7 +65,7 @@ static void __fsl_mc_msi_write_msg(struc + irq_cfg.paddr = ((u64)msi_desc->msg.address_hi << 32) | + msi_desc->msg.address_lo; + irq_cfg.val = msi_desc->msg.data; +- irq_cfg.user_irq_id = msi_desc->irq; ++ irq_cfg.irq_num = msi_desc->irq; + + if (owner_mc_dev == mc_bus_dev) { + /* +--- a/drivers/staging/fsl-mc/include/dprc.h ++++ b/drivers/staging/fsl-mc/include/dprc.h +@@ -94,11 +94,6 @@ int dprc_close(struct fsl_mc_io *mc_io, + */ + #define DPRC_CFG_OPT_TOPOLOGY_CHANGES_ALLOWED 0x00000008 + +-/* IOMMU bypass - indicates whether objects of this container are permitted +- * to bypass the IOMMU. +- */ +-#define DPRC_CFG_OPT_IOMMU_BYPASS 0x00000010 +- + /* AIOP - Indicates that container belongs to AIOP. */ + #define DPRC_CFG_OPT_AIOP 0x00000020 + +@@ -173,12 +168,12 @@ int dprc_reset_container(struct fsl_mc_i + * struct dprc_irq_cfg - IRQ configuration + * @paddr: Address that must be written to signal a message-based interrupt + * @val: Value to write into irq_addr address +- * @user_irq_id: A user defined number associated with this IRQ ++ * @irq_num: A user defined number associated with this IRQ + */ + struct dprc_irq_cfg { + phys_addr_t paddr; + u32 val; +- int user_irq_id; ++ int irq_num; + }; + + int dprc_set_irq(struct fsl_mc_io *mc_io, +@@ -353,6 +348,14 @@ int dprc_get_obj_count(struct fsl_mc_io + #define DPRC_OBJ_STATE_PLUGGED 0x00000002 + + /** ++ * Shareability flag - Object flag indicating no memory shareability. ++ * the object generates memory accesses that are non coherent with other ++ * masters; ++ * user is responsible for proper memory handling through IOMMU configuration. ++ */ ++#define DPRC_OBJ_FLAG_NO_MEM_SHAREABILITY 0x0001 ++ ++/** + * struct dprc_obj_desc - Object descriptor, returned from dprc_get_obj() + * @type: Type of object: NULL terminated string + * @id: ID of logical object resource +@@ -363,6 +366,7 @@ int dprc_get_obj_count(struct fsl_mc_io + * @region_count: Number of mappable regions supported by the object + * @state: Object state: combination of DPRC_OBJ_STATE_ states + * @label: Object label ++ * @flags: Object's flags + */ + struct dprc_obj_desc { + char type[16]; +@@ -374,6 +378,7 @@ struct dprc_obj_desc { + u8 region_count; + u32 state; + char label[16]; ++ u16 flags; + }; + + int dprc_get_obj(struct fsl_mc_io *mc_io, |