From 1866368a8ab8cacf73aa47f67138040d5620439d Mon Sep 17 00:00:00 2001 From: Yutang Jiang Date: Sat, 24 Dec 2016 01:11:32 +0800 Subject: layerscape: add ls1088ardb device support LS1088A is an ARMv8 implementation combining eight ARM A53 processor cores. The LS1088ARDB is an evaluatoin platform that supports the LS1088A family SoCs. Features summary: - Eight 64-bit ARM v8 Cortex-A53 CPUs - Data path acceleration architecture 2.0 (DPAA2) - Ethernet interfaces - QUADSPI flash, 3 PCIe, 2 USB, 1 SD, 2 DUARTs etc Signed-off-by: Yutang Jiang --- ...174-staging-fsl-mc-add-dprc-version-check.patch | 90 ++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 target/linux/layerscape/patches-4.4/7174-staging-fsl-mc-add-dprc-version-check.patch (limited to 'target/linux/layerscape/patches-4.4/7174-staging-fsl-mc-add-dprc-version-check.patch') diff --git a/target/linux/layerscape/patches-4.4/7174-staging-fsl-mc-add-dprc-version-check.patch b/target/linux/layerscape/patches-4.4/7174-staging-fsl-mc-add-dprc-version-check.patch new file mode 100644 index 0000000000..a5ec35c667 --- /dev/null +++ b/target/linux/layerscape/patches-4.4/7174-staging-fsl-mc-add-dprc-version-check.patch @@ -0,0 +1,90 @@ +From 653898b483e5448084b15214a8c20959b418dbe7 Mon Sep 17 00:00:00 2001 +From: Itai Katz +Date: Mon, 11 Apr 2016 11:56:05 -0500 +Subject: [PATCH 174/226] staging: fsl-mc: add dprc version check + +The dprc driver supports dprc version 5.0 and above. +This patch adds the code to check the version. + +Signed-off-by: Itai Katz +(Stuart: resolved merge conflicts, split dpseci quirk into separate patch) +Signed-off-by: Stuart Yoder +Acked-by: German Rivera +Signed-off-by: Greg Kroah-Hartman +--- + drivers/staging/fsl-mc/bus/dprc-cmd.h | 6 +++--- + drivers/staging/fsl-mc/bus/dprc-driver.c | 19 +++++++++++++++++++ + drivers/staging/fsl-mc/bus/mc-bus.c | 1 + + drivers/staging/fsl-mc/include/mc-private.h | 2 ++ + 4 files changed, 25 insertions(+), 3 deletions(-) + +--- a/drivers/staging/fsl-mc/bus/dprc-cmd.h ++++ b/drivers/staging/fsl-mc/bus/dprc-cmd.h +@@ -40,9 +40,9 @@ + #ifndef _FSL_DPRC_CMD_H + #define _FSL_DPRC_CMD_H + +-/* DPRC Version */ +-#define DPRC_VER_MAJOR 5 +-#define DPRC_VER_MINOR 1 ++/* Minimal supported DPRC Version */ ++#define DPRC_MIN_VER_MAJOR 5 ++#define DPRC_MIN_VER_MINOR 0 + + /* 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 +@@ -693,6 +693,25 @@ static int dprc_probe(struct fsl_mc_devi + goto error_cleanup_msi_domain; + } + ++ error = dprc_get_attributes(mc_dev->mc_io, 0, mc_dev->mc_handle, ++ &mc_bus->dprc_attr); ++ if (error < 0) { ++ dev_err(&mc_dev->dev, "dprc_get_attributes() failed: %d\n", ++ error); ++ goto error_cleanup_open; ++ } ++ ++ if (mc_bus->dprc_attr.version.major < DPRC_MIN_VER_MAJOR || ++ (mc_bus->dprc_attr.version.major == DPRC_MIN_VER_MAJOR && ++ mc_bus->dprc_attr.version.minor < DPRC_MIN_VER_MINOR)) { ++ dev_err(&mc_dev->dev, ++ "ERROR: DPRC version %d.%d not supported\n", ++ mc_bus->dprc_attr.version.major, ++ mc_bus->dprc_attr.version.minor); ++ error = -ENOTSUPP; ++ goto error_cleanup_open; ++ } ++ + mutex_init(&mc_bus->scan_mutex); + + /* +--- a/drivers/staging/fsl-mc/bus/mc-bus.c ++++ b/drivers/staging/fsl-mc/bus/mc-bus.c +@@ -745,6 +745,7 @@ static int fsl_mc_bus_probe(struct platf + goto error_cleanup_mc_io; + } + ++ memset(&obj_desc, 0, sizeof(struct dprc_obj_desc)); + error = get_dprc_version(mc_io, container_id, + &obj_desc.ver_major, &obj_desc.ver_minor); + if (error < 0) +--- a/drivers/staging/fsl-mc/include/mc-private.h ++++ b/drivers/staging/fsl-mc/include/mc-private.h +@@ -94,12 +94,14 @@ struct fsl_mc_resource_pool { + * from the physical DPRC. + * @irq_resources: Pointer to array of IRQ objects for the IRQ pool + * @scan_mutex: Serializes bus scanning ++ * @dprc_attr: DPRC attributes + */ + struct fsl_mc_bus { + struct fsl_mc_device mc_dev; + struct fsl_mc_resource_pool resource_pools[FSL_MC_NUM_POOL_TYPES]; + struct fsl_mc_device_irq *irq_resources; + struct mutex scan_mutex; /* serializes bus scanning */ ++ struct dprc_attributes dprc_attr; + }; + + #define to_fsl_mc_bus(_mc_dev) \ -- cgit v1.2.3