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-rw-r--r--Documentation/devicetree/bindings/soc/fsl/bman.txt12
-rw-r--r--Documentation/devicetree/bindings/soc/fsl/qman.txt26
-rw-r--r--drivers/soc/fsl/guts.c1
-rw-r--r--drivers/soc/fsl/qbman/Kconfig2
-rw-r--r--drivers/soc/fsl/qbman/Makefile2
-rw-r--r--drivers/soc/fsl/qbman/bman.c42
-rw-r--r--drivers/soc/fsl/qbman/bman_ccsr.c15
-rw-r--r--drivers/soc/fsl/qbman/bman_portal.c23
-rw-r--r--drivers/soc/fsl/qbman/bman_priv.h8
-rw-r--r--drivers/soc/fsl/qbman/dpaa_sys.c78
-rw-r--r--drivers/soc/fsl/qbman/dpaa_sys.h25
-rw-r--r--drivers/soc/fsl/qbman/qman.c83
-rw-r--r--drivers/soc/fsl/qbman/qman_ccsr.c95
-rw-r--r--drivers/soc/fsl/qbman/qman_portal.c23
-rw-r--r--drivers/soc/fsl/qbman/qman_priv.h11
-rw-r--r--drivers/soc/fsl/qbman/qman_test.h2
16 files changed, 320 insertions, 128 deletions
diff --git a/Documentation/devicetree/bindings/soc/fsl/bman.txt b/Documentation/devicetree/bindings/soc/fsl/bman.txt
index 47ac834414d8..48eed140765b 100644
--- a/Documentation/devicetree/bindings/soc/fsl/bman.txt
+++ b/Documentation/devicetree/bindings/soc/fsl/bman.txt
@@ -65,8 +65,8 @@ to the respective BMan instance
BMan Private Memory Node
BMan requires a contiguous range of physical memory used for the backing store
-for BMan Free Buffer Proxy Records (FBPR). This memory is reserved/allocated as a
-node under the /reserved-memory node
+for BMan Free Buffer Proxy Records (FBPR). This memory is reserved/allocated as
+a node under the /reserved-memory node.
The BMan FBPR memory node must be named "bman-fbpr"
@@ -75,7 +75,9 @@ PROPERTIES
- compatible
Usage: required
Value type: <stringlist>
- Definition: Must inclide "fsl,bman-fbpr"
+ Definition: PPC platforms: Must include "fsl,bman-fbpr"
+ ARM platforms: Must include "shared-dma-pool"
+ as well as the "no-map" property
The following constraints are relevant to the FBPR private memory:
- The size must be 2^(size + 1), with size = 11..33. That is 4 KiB to
@@ -100,10 +102,10 @@ The example below shows a BMan FBPR dynamic allocation memory node
ranges;
bman_fbpr: bman-fbpr {
- compatible = "fsl,bman-fbpr";
- alloc-ranges = <0 0 0x10 0>;
+ compatible = "shared-mem-pool";
size = <0 0x1000000>;
alignment = <0 0x1000000>;
+ no-map;
};
};
diff --git a/Documentation/devicetree/bindings/soc/fsl/qman.txt b/Documentation/devicetree/bindings/soc/fsl/qman.txt
index 556ebb8be75d..ee96afd2af72 100644
--- a/Documentation/devicetree/bindings/soc/fsl/qman.txt
+++ b/Documentation/devicetree/bindings/soc/fsl/qman.txt
@@ -60,6 +60,12 @@ are located at offsets 0xbf8 and 0xbfc
Value type: <prop-encoded-array>
Definition: Reference input clock. Its frequency is half of the
platform clock
+- memory-regions
+ Usage: Required for ARM
+ Value type: <phandle array>
+ Definition: List of phandles referencing the QMan private memory
+ nodes (described below). The qman-fqd node must be
+ first followed by qman-pfdr node. Only used on ARM
Devices connected to a QMan instance via Direct Connect Portals (DCP) must link
to the respective QMan instance
@@ -74,7 +80,9 @@ QMan Private Memory Nodes
QMan requires two contiguous range of physical memory used for the backing store
for QMan Frame Queue Descriptor (FQD) and Packed Frame Descriptor Record (PFDR).
-This memory is reserved/allocated as a nodes under the /reserved-memory node
+This memory is reserved/allocated as a node under the /reserved-memory node.
+
+For additional details about reserved memory regions see reserved-memory.txt
The QMan FQD memory node must be named "qman-fqd"
@@ -83,7 +91,9 @@ PROPERTIES
- compatible
Usage: required
Value type: <stringlist>
- Definition: Must inclide "fsl,qman-fqd"
+ Definition: PPC platforms: Must include "fsl,qman-fqd"
+ ARM platforms: Must include "shared-dma-pool"
+ as well as the "no-map" property
The QMan PFDR memory node must be named "qman-pfdr"
@@ -92,7 +102,9 @@ PROPERTIES
- compatible
Usage: required
Value type: <stringlist>
- Definition: Must inclide "fsl,qman-pfdr"
+ Definition: PPC platforms: Must include "fsl,qman-pfdr"
+ ARM platforms: Must include "shared-dma-pool"
+ as well as the "no-map" property
The following constraints are relevant to the FQD and PFDR private memory:
- The size must be 2^(size + 1), with size = 11..29. That is 4 KiB to
@@ -117,16 +129,16 @@ The example below shows a QMan FQD and a PFDR dynamic allocation memory nodes
ranges;
qman_fqd: qman-fqd {
- compatible = "fsl,qman-fqd";
- alloc-ranges = <0 0 0x10 0>;
+ compatible = "shared-dma-pool";
size = <0 0x400000>;
alignment = <0 0x400000>;
+ no-map;
};
qman_pfdr: qman-pfdr {
- compatible = "fsl,qman-pfdr";
- alloc-ranges = <0 0 0x10 0>;
+ compatible = "shared-dma-pool";
size = <0 0x2000000>;
alignment = <0 0x2000000>;
+ no-map;
};
};
diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c
index 6af7a11f09a5..d89a6a80c8ef 100644
--- a/drivers/soc/fsl/guts.c
+++ b/drivers/soc/fsl/guts.c
@@ -213,6 +213,7 @@ static const struct of_device_id fsl_guts_of_match[] = {
{ .compatible = "fsl,ls1021a-dcfg", },
{ .compatible = "fsl,ls1043a-dcfg", },
{ .compatible = "fsl,ls2080a-dcfg", },
+ { .compatible = "fsl,ls1088a-dcfg", },
{}
};
MODULE_DEVICE_TABLE(of, fsl_guts_of_match);
diff --git a/drivers/soc/fsl/qbman/Kconfig b/drivers/soc/fsl/qbman/Kconfig
index 757033c0586c..fb4e6bf0a0c4 100644
--- a/drivers/soc/fsl/qbman/Kconfig
+++ b/drivers/soc/fsl/qbman/Kconfig
@@ -1,6 +1,6 @@
menuconfig FSL_DPAA
bool "Freescale DPAA 1.x support"
- depends on FSL_SOC_BOOKE
+ depends on (FSL_SOC_BOOKE || ARCH_LAYERSCAPE)
select GENERIC_ALLOCATOR
help
The Freescale Data Path Acceleration Architecture (DPAA) is a set of
diff --git a/drivers/soc/fsl/qbman/Makefile b/drivers/soc/fsl/qbman/Makefile
index 7ae199f1664e..3cbd08aeab59 100644
--- a/drivers/soc/fsl/qbman/Makefile
+++ b/drivers/soc/fsl/qbman/Makefile
@@ -1,6 +1,6 @@
obj-$(CONFIG_FSL_DPAA) += bman_ccsr.o qman_ccsr.o \
bman_portal.o qman_portal.o \
- bman.o qman.o
+ bman.o qman.o dpaa_sys.o
obj-$(CONFIG_FSL_BMAN_TEST) += bman-test.o
bman-test-y = bman_test.o
diff --git a/drivers/soc/fsl/qbman/bman.c b/drivers/soc/fsl/qbman/bman.c
index a3d6d7cfa929..f9485cedc648 100644
--- a/drivers/soc/fsl/qbman/bman.c
+++ b/drivers/soc/fsl/qbman/bman.c
@@ -35,6 +35,27 @@
/* Portal register assists */
+#if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
+/* Cache-inhibited register offsets */
+#define BM_REG_RCR_PI_CINH 0x3000
+#define BM_REG_RCR_CI_CINH 0x3100
+#define BM_REG_RCR_ITR 0x3200
+#define BM_REG_CFG 0x3300
+#define BM_REG_SCN(n) (0x3400 + ((n) << 6))
+#define BM_REG_ISR 0x3e00
+#define BM_REG_IER 0x3e40
+#define BM_REG_ISDR 0x3e80
+#define BM_REG_IIR 0x3ec0
+
+/* Cache-enabled register offsets */
+#define BM_CL_CR 0x0000
+#define BM_CL_RR0 0x0100
+#define BM_CL_RR1 0x0140
+#define BM_CL_RCR 0x1000
+#define BM_CL_RCR_PI_CENA 0x3000
+#define BM_CL_RCR_CI_CENA 0x3100
+
+#else
/* Cache-inhibited register offsets */
#define BM_REG_RCR_PI_CINH 0x0000
#define BM_REG_RCR_CI_CINH 0x0004
@@ -53,6 +74,7 @@
#define BM_CL_RCR 0x1000
#define BM_CL_RCR_PI_CENA 0x3000
#define BM_CL_RCR_CI_CENA 0x3100
+#endif
/*
* Portal modes.
@@ -154,7 +176,8 @@ struct bm_mc {
};
struct bm_addr {
- void __iomem *ce; /* cache-enabled */
+ void *ce; /* cache-enabled */
+ __be32 *ce_be; /* Same as above but for direct access */
void __iomem *ci; /* cache-inhibited */
};
@@ -167,12 +190,12 @@ struct bm_portal {
/* Cache-inhibited register access. */
static inline u32 bm_in(struct bm_portal *p, u32 offset)
{
- return be32_to_cpu(__raw_readl(p->addr.ci + offset));
+ return ioread32be(p->addr.ci + offset);
}
static inline void bm_out(struct bm_portal *p, u32 offset, u32 val)
{
- __raw_writel(cpu_to_be32(val), p->addr.ci + offset);
+ iowrite32be(val, p->addr.ci + offset);
}
/* Cache Enabled Portal Access */
@@ -188,7 +211,7 @@ static inline void bm_cl_touch_ro(struct bm_portal *p, u32 offset)
static inline u32 bm_ce_in(struct bm_portal *p, u32 offset)
{
- return be32_to_cpu(__raw_readl(p->addr.ce + offset));
+ return be32_to_cpu(*(p->addr.ce_be + (offset/4)));
}
struct bman_portal {
@@ -408,7 +431,7 @@ static int bm_mc_init(struct bm_portal *portal)
mc->cr = portal->addr.ce + BM_CL_CR;
mc->rr = portal->addr.ce + BM_CL_RR0;
- mc->rridx = (__raw_readb(&mc->cr->_ncw_verb) & BM_MCC_VERB_VBIT) ?
+ mc->rridx = (mc->cr->_ncw_verb & BM_MCC_VERB_VBIT) ?
0 : 1;
mc->vbit = mc->rridx ? BM_MCC_VERB_VBIT : 0;
#ifdef CONFIG_FSL_DPAA_CHECKING
@@ -466,7 +489,7 @@ static inline union bm_mc_result *bm_mc_result(struct bm_portal *portal)
* its command is submitted and completed. This includes the valid-bit,
* in case you were wondering...
*/
- if (!__raw_readb(&rr->verb)) {
+ if (!rr->verb) {
dpaa_invalidate_touch_ro(rr);
return NULL;
}
@@ -512,8 +535,9 @@ static int bman_create_portal(struct bman_portal *portal,
* config, everything that follows depends on it and "config" is more
* for (de)reference...
*/
- p->addr.ce = c->addr_virt[DPAA_PORTAL_CE];
- p->addr.ci = c->addr_virt[DPAA_PORTAL_CI];
+ p->addr.ce = c->addr_virt_ce;
+ p->addr.ce_be = c->addr_virt_ce;
+ p->addr.ci = c->addr_virt_ci;
if (bm_rcr_init(p, bm_rcr_pvb, bm_rcr_cce)) {
dev_err(c->dev, "RCR initialisation failed\n");
goto fail_rcr;
@@ -607,7 +631,7 @@ int bman_p_irqsource_add(struct bman_portal *p, u32 bits)
unsigned long irqflags;
local_irq_save(irqflags);
- set_bits(bits & BM_PIRQ_VISIBLE, &p->irq_sources);
+ p->irq_sources |= bits & BM_PIRQ_VISIBLE;
bm_out(&p->p, BM_REG_IER, p->irq_sources);
local_irq_restore(irqflags);
return 0;
diff --git a/drivers/soc/fsl/qbman/bman_ccsr.c b/drivers/soc/fsl/qbman/bman_ccsr.c
index eaa9585c7347..05c42235dd41 100644
--- a/drivers/soc/fsl/qbman/bman_ccsr.c
+++ b/drivers/soc/fsl/qbman/bman_ccsr.c
@@ -201,6 +201,21 @@ static int fsl_bman_probe(struct platform_device *pdev)
return -ENODEV;
}
+ /*
+ * If FBPR memory wasn't defined using the qbman compatible string
+ * try using the of_reserved_mem_device method
+ */
+ if (!fbpr_a) {
+ ret = qbman_init_private_mem(dev, 0, &fbpr_a, &fbpr_sz);
+ if (ret) {
+ dev_err(dev, "qbman_init_private_mem() failed 0x%x\n",
+ ret);
+ return -ENODEV;
+ }
+ }
+
+ dev_dbg(dev, "Allocated FBPR 0x%llx 0x%zx\n", fbpr_a, fbpr_sz);
+
bm_set_memory(fbpr_a, fbpr_sz);
err_irq = platform_get_irq(pdev, 0);
diff --git a/drivers/soc/fsl/qbman/bman_portal.c b/drivers/soc/fsl/qbman/bman_portal.c
index 39b39c8f1399..2f71f7df3465 100644
--- a/drivers/soc/fsl/qbman/bman_portal.c
+++ b/drivers/soc/fsl/qbman/bman_portal.c
@@ -91,7 +91,6 @@ static int bman_portal_probe(struct platform_device *pdev)
struct device_node *node = dev->of_node;
struct bm_portal_config *pcfg;
struct resource *addr_phys[2];
- void __iomem *va;
int irq, cpu;
pcfg = devm_kmalloc(dev, sizeof(*pcfg), GFP_KERNEL);
@@ -123,23 +122,21 @@ static int bman_portal_probe(struct platform_device *pdev)
}
pcfg->irq = irq;
- va = ioremap_prot(addr_phys[0]->start, resource_size(addr_phys[0]), 0);
- if (!va) {
- dev_err(dev, "ioremap::CE failed\n");
+ pcfg->addr_virt_ce = memremap(addr_phys[0]->start,
+ resource_size(addr_phys[0]),
+ QBMAN_MEMREMAP_ATTR);
+ if (!pcfg->addr_virt_ce) {
+ dev_err(dev, "memremap::CE failed\n");
goto err_ioremap1;
}
- pcfg->addr_virt[DPAA_PORTAL_CE] = va;
-
- va = ioremap_prot(addr_phys[1]->start, resource_size(addr_phys[1]),
- _PAGE_GUARDED | _PAGE_NO_CACHE);
- if (!va) {
+ pcfg->addr_virt_ci = ioremap(addr_phys[1]->start,
+ resource_size(addr_phys[1]));
+ if (!pcfg->addr_virt_ci) {
dev_err(dev, "ioremap::CI failed\n");
goto err_ioremap2;
}
- pcfg->addr_virt[DPAA_PORTAL_CI] = va;
-
spin_lock(&bman_lock);
cpu = cpumask_next_zero(-1, &portal_cpus);
if (cpu >= nr_cpu_ids) {
@@ -164,9 +161,9 @@ static int bman_portal_probe(struct platform_device *pdev)
return 0;
err_portal_init:
- iounmap(pcfg->addr_virt[DPAA_PORTAL_CI]);
+ iounmap(pcfg->addr_virt_ci);
err_ioremap2:
- iounmap(pcfg->addr_virt[DPAA_PORTAL_CE]);
+ memunmap(pcfg->addr_virt_ce);
err_ioremap1:
return -ENXIO;
}
diff --git a/drivers/soc/fsl/qbman/bman_priv.h b/drivers/soc/fsl/qbman/bman_priv.h
index f6896a2f6d90..751ce90383b7 100644
--- a/drivers/soc/fsl/qbman/bman_priv.h
+++ b/drivers/soc/fsl/qbman/bman_priv.h
@@ -46,11 +46,9 @@ extern u16 bman_ip_rev; /* 0 if uninitialised, otherwise BMAN_REVx */
extern struct gen_pool *bm_bpalloc;
struct bm_portal_config {
- /*
- * Corenet portal addresses;
- * [0]==cache-enabled, [1]==cache-inhibited.
- */
- void __iomem *addr_virt[2];
+ /* Portal addresses */
+ void *addr_virt_ce;
+ void __iomem *addr_virt_ci;
/* Allow these to be joined in lists */
struct list_head list;
struct device *dev;
diff --git a/drivers/soc/fsl/qbman/dpaa_sys.c b/drivers/soc/fsl/qbman/dpaa_sys.c
new file mode 100644
index 000000000000..9436aa83ff1b
--- /dev/null
+++ b/drivers/soc/fsl/qbman/dpaa_sys.c
@@ -0,0 +1,78 @@
+/* Copyright 2017 NXP 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 NXP 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 NXP 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 NXP 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 <linux/dma-mapping.h>
+#include "dpaa_sys.h"
+
+/*
+ * Initialize a devices private memory region
+ */
+int qbman_init_private_mem(struct device *dev, int idx, dma_addr_t *addr,
+ size_t *size)
+{
+ int ret;
+ struct device_node *mem_node;
+ u64 size64;
+
+ ret = of_reserved_mem_device_init_by_idx(dev, dev->of_node, idx);
+ if (ret) {
+ dev_err(dev,
+ "of_reserved_mem_device_init_by_idx(%d) failed 0x%x\n",
+ idx, ret);
+ return -ENODEV;
+ }
+ mem_node = of_parse_phandle(dev->of_node, "memory-region", 0);
+ if (mem_node) {
+ ret = of_property_read_u64(mem_node, "size", &size64);
+ if (ret) {
+ dev_err(dev, "of_address_to_resource fails 0x%x\n",
+ ret);
+ return -ENODEV;
+ }
+ *size = size64;
+ } else {
+ dev_err(dev, "No memory-region found for index %d\n", idx);
+ return -ENODEV;
+ }
+
+ if (!dma_zalloc_coherent(dev, *size, addr, 0)) {
+ dev_err(dev, "DMA Alloc memory failed\n");
+ return -ENODEV;
+ }
+
+ /*
+ * Disassociate the reserved memory area from the device
+ * because a device can only have one DMA memory area. This
+ * should be fine since the memory is allocated and initialized
+ * and only ever accessed by the QBMan device from now on
+ */
+ of_reserved_mem_device_release(dev);
+ return 0;
+}
diff --git a/drivers/soc/fsl/qbman/dpaa_sys.h b/drivers/soc/fsl/qbman/dpaa_sys.h
index 2ce394aa4c95..9f379000da85 100644
--- a/drivers/soc/fsl/qbman/dpaa_sys.h
+++ b/drivers/soc/fsl/qbman/dpaa_sys.h
@@ -44,23 +44,21 @@
#include <linux/prefetch.h>
#include <linux/genalloc.h>
#include <asm/cacheflush.h>
+#include <linux/io.h>
+#include <linux/delay.h>
/* For 2-element tables related to cache-inhibited and cache-enabled mappings */
#define DPAA_PORTAL_CE 0
#define DPAA_PORTAL_CI 1
-#if (L1_CACHE_BYTES != 32) && (L1_CACHE_BYTES != 64)
-#error "Unsupported Cacheline Size"
-#endif
-
static inline void dpaa_flush(void *p)
{
+ /*
+ * Only PPC needs to flush the cache currently - on ARM the mapping
+ * is non cacheable
+ */
#ifdef CONFIG_PPC
flush_dcache_range((unsigned long)p, (unsigned long)p+64);
-#elif defined(CONFIG_ARM32)
- __cpuc_flush_dcache_area(p, 64);
-#elif defined(CONFIG_ARM64)
- __flush_dcache_area(p, 64);
#endif
}
@@ -102,4 +100,15 @@ static inline u8 dpaa_cyc_diff(u8 ringsize, u8 first, u8 last)
/* Offset applied to genalloc pools due to zero being an error return */
#define DPAA_GENALLOC_OFF 0x80000000
+/* Initialize the devices private memory region */
+int qbman_init_private_mem(struct device *dev, int idx, dma_addr_t *addr,
+ size_t *size);
+
+/* memremap() attributes for different platforms */
+#ifdef CONFIG_PPC
+#define QBMAN_MEMREMAP_ATTR MEMREMAP_WB
+#else
+#define QBMAN_MEMREMAP_ATTR MEMREMAP_WC
+#endif
+
#endif /* __DPAA_SYS_H */
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index 18eefc3f1abe..e4f5bb056fd2 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -41,6 +41,43 @@
/* Portal register assists */
+#if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
+/* Cache-inhibited register offsets */
+#define QM_REG_EQCR_PI_CINH 0x3000
+#define QM_REG_EQCR_CI_CINH 0x3040
+#define QM_REG_EQCR_ITR 0x3080
+#define QM_REG_DQRR_PI_CINH 0x3100
+#define QM_REG_DQRR_CI_CINH 0x3140
+#define QM_REG_DQRR_ITR 0x3180
+#define QM_REG_DQRR_DCAP 0x31C0
+#define QM_REG_DQRR_SDQCR 0x3200
+#define QM_REG_DQRR_VDQCR 0x3240
+#define QM_REG_DQRR_PDQCR 0x3280
+#define QM_REG_MR_PI_CINH 0x3300
+#define QM_REG_MR_CI_CINH 0x3340
+#define QM_REG_MR_ITR 0x3380
+#define QM_REG_CFG 0x3500
+#define QM_REG_ISR 0x3600
+#define QM_REG_IER 0x3640
+#define QM_REG_ISDR 0x3680
+#define QM_REG_IIR 0x36C0
+#define QM_REG_ITPR 0x3740
+
+/* Cache-enabled register offsets */
+#define QM_CL_EQCR 0x0000
+#define QM_CL_DQRR 0x1000
+#define QM_CL_MR 0x2000
+#define QM_CL_EQCR_PI_CENA 0x3000
+#define QM_CL_EQCR_CI_CENA 0x3040
+#define QM_CL_DQRR_PI_CENA 0x3100
+#define QM_CL_DQRR_CI_CENA 0x3140
+#define QM_CL_MR_PI_CENA 0x3300
+#define QM_CL_MR_CI_CENA 0x3340
+#define QM_CL_CR 0x3800
+#define QM_CL_RR0 0x3900
+#define QM_CL_RR1 0x3940
+
+#else
/* Cache-inhibited register offsets */
#define QM_REG_EQCR_PI_CINH 0x0000
#define QM_REG_EQCR_CI_CINH 0x0004
@@ -75,6 +112,7 @@
#define QM_CL_CR 0x3800
#define QM_CL_RR0 0x3900
#define QM_CL_RR1 0x3940
+#endif
/*
* BTW, the drivers (and h/w programming model) already obtain the required
@@ -300,7 +338,8 @@ struct qm_mc {
};
struct qm_addr {
- void __iomem *ce; /* cache-enabled */
+ void *ce; /* cache-enabled */
+ __be32 *ce_be; /* same value as above but for direct access */
void __iomem *ci; /* cache-inhibited */
};
@@ -321,12 +360,12 @@ struct qm_portal {
/* Cache-inhibited register access. */
static inline u32 qm_in(struct qm_portal *p, u32 offset)
{
- return be32_to_cpu(__raw_readl(p->addr.ci + offset));
+ return ioread32be(p->addr.ci + offset);
}
static inline void qm_out(struct qm_portal *p, u32 offset, u32 val)
{
- __raw_writel(cpu_to_be32(val), p->addr.ci + offset);
+ iowrite32be(val, p->addr.ci + offset);
}
/* Cache Enabled Portal Access */
@@ -342,7 +381,7 @@ static inline void qm_cl_touch_ro(struct qm_portal *p, u32 offset)
static inline u32 qm_ce_in(struct qm_portal *p, u32 offset)
{
- return be32_to_cpu(__raw_readl(p->addr.ce + offset));
+ return be32_to_cpu(*(p->addr.ce_be + (offset/4)));
}
/* --- EQCR API --- */
@@ -646,11 +685,7 @@ static inline void qm_dqrr_pvb_update(struct qm_portal *portal)
*/
dpaa_invalidate_touch_ro(res);
#endif
- /*
- * when accessing 'verb', use __raw_readb() to ensure that compiler
- * inlining doesn't try to optimise out "excess reads".
- */
- if ((__raw_readb(&res->verb) & QM_DQRR_VERB_VBIT) == dqrr->vbit) {
+ if ((res->verb & QM_DQRR_VERB_VBIT) == dqrr->vbit) {
dqrr->pi = (dqrr->pi + 1) & (QM_DQRR_SIZE - 1);
if (!dqrr->pi)
dqrr->vbit ^= QM_DQRR_VERB_VBIT;
@@ -777,11 +812,8 @@ static inline void qm_mr_pvb_update(struct qm_portal *portal)
union qm_mr_entry *res = qm_cl(mr->ring, mr->pi);
DPAA_ASSERT(mr->pmode == qm_mr_pvb);
- /*
- * when accessing 'verb', use __raw_readb() to ensure that compiler
- * inlining doesn't try to optimise out "excess reads".
- */
- if ((__raw_readb(&res->verb) & QM_MR_VERB_VBIT) == mr->vbit) {
+
+ if ((res->verb & QM_MR_VERB_VBIT) == mr->vbit) {
mr->pi = (mr->pi + 1) & (QM_MR_SIZE - 1);
if (!mr->pi)
mr->vbit ^= QM_MR_VERB_VBIT;
@@ -822,7 +854,7 @@ static inline int qm_mc_init(struct qm_portal *portal)
mc->cr = portal->addr.ce + QM_CL_CR;
mc->rr = portal->addr.ce + QM_CL_RR0;
- mc->rridx = (__raw_readb(&mc->cr->_ncw_verb) & QM_MCC_VERB_VBIT)
+ mc->rridx = (mc->cr->_ncw_verb & QM_MCC_VERB_VBIT)
? 0 : 1;
mc->vbit = mc->rridx ? QM_MCC_VERB_VBIT : 0;
#ifdef CONFIG_FSL_DPAA_CHECKING
@@ -880,7 +912,7 @@ static inline union qm_mc_result *qm_mc_result(struct qm_portal *portal)
* its command is submitted and completed. This includes the valid-bit,
* in case you were wondering...
*/
- if (!__raw_readb(&rr->verb)) {
+ if (!rr->verb) {
dpaa_invalidate_touch_ro(rr);
return NULL;
}
@@ -909,12 +941,12 @@ static inline int qm_mc_result_timeout(struct qm_portal *portal,
static inline void fq_set(struct qman_fq *fq, u32 mask)
{
- set_bits(mask, &fq->flags);
+ fq->flags |= mask;
}
static inline void fq_clear(struct qman_fq *fq, u32 mask)
{
- clear_bits(mask, &fq->flags);
+ fq->flags &= ~mask;
}
static inline int fq_isset(struct qman_fq *fq, u32 mask)
@@ -1084,11 +1116,7 @@ loop:
* entries well before the ring has been fully consumed, so
* we're being *really* paranoid here.
*/
- u64 now, then = jiffies;
-
- do {
- now = jiffies;
- } while ((then + 10000) > now);
+ msleep(1);
msg = qm_mr_current(p);
if (!msg)
return 0;
@@ -1124,8 +1152,9 @@ static int qman_create_portal(struct qman_portal *portal,
* config, everything that follows depends on it and "config" is more
* for (de)reference
*/
- p->addr.ce = c->addr_virt[DPAA_PORTAL_CE];
- p->addr.ci = c->addr_virt[DPAA_PORTAL_CI];
+ p->addr.ce = c->addr_virt_ce;
+ p->addr.ce_be = c->addr_virt_ce;
+ p->addr.ci = c->addr_virt_ci;
/*
* If CI-stashing is used, the current defaults use a threshold of 3,
* and stash with high-than-DQRR priority.
@@ -1566,7 +1595,7 @@ void qman_p_irqsource_add(struct qman_portal *p, u32 bits)
unsigned long irqflags;
local_irq_save(irqflags);
- set_bits(bits & QM_PIRQ_VISIBLE, &p->irq_sources);
+ p->irq_sources |= bits & QM_PIRQ_VISIBLE;
qm_out(&p->p, QM_REG_IER, p->irq_sources);
local_irq_restore(irqflags);
}
@@ -1589,7 +1618,7 @@ void qman_p_irqsource_remove(struct qman_portal *p, u32 bits)
*/
local_irq_save(irqflags);
bits &= QM_PIRQ_VISIBLE;
- clear_bits(bits, &p->irq_sources);
+ p->irq_sources &= ~bits;
qm_out(&p->p, QM_REG_IER, p->irq_sources);
ier = qm_in(&p->p, QM_REG_IER);
/*
diff --git a/drivers/soc/fsl/qbman/qman_ccsr.c b/drivers/soc/fsl/qbman/qman_ccsr.c
index 835ce947ffca..79cba58387a5 100644
--- a/drivers/soc/fsl/qbman/qman_ccsr.c
+++ b/drivers/soc/fsl/qbman/qman_ccsr.c
@@ -401,21 +401,42 @@ static int qm_init_pfdr(struct device *dev, u32 pfdr_start, u32 num)
}
/*
- * Ideally we would use the DMA API to turn rmem->base into a DMA address
- * (especially if iommu translations ever get involved). Unfortunately, the
- * DMA API currently does not allow mapping anything that is not backed with
- * a struct page.
+ * QMan needs two global memory areas initialized at boot time:
+ * 1) FQD: Frame Queue Descriptors used to manage frame queues
+ * 2) PFDR: Packed Frame Queue Descriptor Records used to store frames
+ * Both areas are reserved using the device tree reserved memory framework
+ * and the addresses and sizes are initialized when the QMan device is probed
*/
static dma_addr_t fqd_a, pfdr_a;
static size_t fqd_sz, pfdr_sz;
+#ifdef CONFIG_PPC
+/*
+ * Support for PPC Device Tree backward compatibility when compatible
+ * string is set to fsl-qman-fqd and fsl-qman-pfdr
+ */
+static int zero_priv_mem(phys_addr_t addr, size_t sz)
+{
+ /* map as cacheable, non-guarded */
+ void __iomem *tmpp = ioremap_prot(addr, sz, 0);
+
+ if (!tmpp)
+ return -ENOMEM;
+
+ memset_io(tmpp, 0, sz);
+ flush_dcache_range((unsigned long)tmpp,
+ (unsigned long)tmpp + sz);
+ iounmap(tmpp);
+
+ return 0;
+}
+
static int qman_fqd(struct reserved_mem *rmem)
{
fqd_a = rmem->base;
fqd_sz = rmem->size;
WARN_ON(!(fqd_a && fqd_sz));
-
return 0;
}
RESERVEDMEM_OF_DECLARE(qman_fqd, "fsl,qman-fqd", qman_fqd);
@@ -431,32 +452,13 @@ static int qman_pfdr(struct reserved_mem *rmem)
}
RESERVEDMEM_OF_DECLARE(qman_pfdr, "fsl,qman-pfdr", qman_pfdr);
+#endif
+
static unsigned int qm_get_fqid_maxcnt(void)
{
return fqd_sz / 64;
}
-/*
- * Flush this memory range from data cache so that QMAN originated
- * transactions for this memory region could be marked non-coherent.
- */
-static int zero_priv_mem(struct device *dev, struct device_node *node,
- phys_addr_t addr, size_t sz)
-{
- /* map as cacheable, non-guarded */
- void __iomem *tmpp = ioremap_prot(addr, sz, 0);
-
- if (!tmpp)
- return -ENOMEM;
-
- memset_io(tmpp, 0, sz);
- flush_dcache_range((unsigned long)tmpp,
- (unsigned long)tmpp + sz);
- iounmap(tmpp);
-
- return 0;
-}
-
static void log_edata_bits(struct device *dev, u32 bit_count)
{
u32 i, j, mask = 0xffffffff;
@@ -717,6 +719,8 @@ static int fsl_qman_probe(struct platform_device *pdev)
qman_ip_rev = QMAN_REV30;
else if (major == 3 && minor == 1)
qman_ip_rev = QMAN_REV31;
+ else if (major == 3 && minor == 2)
+ qman_ip_rev = QMAN_REV32;
else {
dev_err(dev, "Unknown QMan version\n");
return -ENODEV;
@@ -727,10 +731,41 @@ static int fsl_qman_probe(struct platform_device *pdev)
qm_channel_caam = QMAN_CHANNEL_CAAM_REV3;
}
- ret = zero_priv_mem(dev, node, fqd_a, fqd_sz);
- WARN_ON(ret);
- if (ret)
- return -ENODEV;
+ if (fqd_a) {
+#ifdef CONFIG_PPC
+ /*
+ * For PPC backward DT compatibility
+ * FQD memory MUST be zero'd by software
+ */
+ zero_priv_mem(fqd_a, fqd_sz);
+#else
+ WARN(1, "Unexpected architecture using non shared-dma-mem reservations");
+#endif
+ } else {
+ /*
+ * Order of memory regions is assumed as FQD followed by PFDR
+ * in order to ensure allocations from the correct regions the
+ * driver initializes then allocates each piece in order
+ */
+ ret = qbman_init_private_mem(dev, 0, &fqd_a, &fqd_sz);
+ if (ret) {
+ dev_err(dev, "qbman_init_private_mem() for FQD failed 0x%x\n",
+ ret);
+ return -ENODEV;
+ }
+ }
+ dev_dbg(dev, "Allocated FQD 0x%llx 0x%zx\n", fqd_a, fqd_sz);
+
+ if (!pfdr_a) {
+ /* Setup PFDR memory */
+ ret = qbman_init_private_mem(dev, 1, &pfdr_a, &pfdr_sz);
+ if (ret) {
+ dev_err(dev, "qbman_init_private_mem() for PFDR failed 0x%x\n",
+ ret);
+ return -ENODEV;
+ }
+ }
+ dev_dbg(dev, "Allocated PFDR 0x%llx 0x%zx\n", pfdr_a, pfdr_sz);
ret = qman_init_ccsr(dev);
if (ret) {
diff --git a/drivers/soc/fsl/qbman/qman_portal.c b/drivers/soc/fsl/qbman/qman_portal.c
index cbacdf4f98ed..a120002b630e 100644
--- a/drivers/soc/fsl/qbman/qman_portal.c
+++ b/drivers/soc/fsl/qbman/qman_portal.c
@@ -224,7 +224,6 @@ static int qman_portal_probe(struct platform_device *pdev)
struct device_node *node = dev->of_node;
struct qm_portal_config *pcfg;
struct resource *addr_phys[2];
- void __iomem *va;
int irq, cpu, err;
u32 val;
@@ -262,23 +261,21 @@ static int qman_portal_probe(struct platform_device *pdev)
}
pcfg->irq = irq;
- va = ioremap_prot(addr_phys[0]->start, resource_size(addr_phys[0]), 0);
- if (!va) {
- dev_err(dev, "ioremap::CE failed\n");
+ pcfg->addr_virt_ce = memremap(addr_phys[0]->start,
+ resource_size(addr_phys[0]),
+ QBMAN_MEMREMAP_ATTR);
+ if (!pcfg->addr_virt_ce) {
+ dev_err(dev, "memremap::CE failed\n");
goto err_ioremap1;
}
- pcfg->addr_virt[DPAA_PORTAL_CE] = va;
-
- va = ioremap_prot(addr_phys[1]->start, resource_size(addr_phys[1]),
- _PAGE_GUARDED | _PAGE_NO_CACHE);
- if (!va) {
+ pcfg->addr_virt_ci = ioremap(addr_phys[1]->start,
+ resource_size(addr_phys[1]));
+ if (!pcfg->addr_virt_ci) {
dev_err(dev, "ioremap::CI failed\n");
goto err_ioremap2;
}
- pcfg->addr_virt[DPAA_PORTAL_CI] = va;
-
pcfg->pools = qm_get_pools_sdqcr();
spin_lock(&qman_lock);
@@ -310,9 +307,9 @@ static int qman_portal_probe(struct platform_device *pdev)
return 0;
err_portal_init:
- iounmap(pcfg->addr_virt[DPAA_PORTAL_CI]);
+ iounmap(pcfg->addr_virt_ci);
err_ioremap2:
- iounmap(pcfg->addr_virt[DPAA_PORTAL_CE]);
+ memunmap(pcfg->addr_virt_ce);
err_ioremap1:
return -ENXIO;
}
diff --git a/drivers/soc/fsl/qbman/qman_priv.h b/drivers/soc/fsl/qbman/qman_priv.h
index 5fe9faf6232e..75a8f905f8f7 100644
--- a/drivers/soc/fsl/qbman/qman_priv.h
+++ b/drivers/soc/fsl/qbman/qman_priv.h
@@ -28,8 +28,6 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
#include "dpaa_sys.h"
#include <soc/fsl/qman.h>
@@ -155,11 +153,9 @@ static inline void qman_cgrs_xor(struct qman_cgrs *dest,
void qman_init_cgr_all(void);
struct qm_portal_config {
- /*
- * Corenet portal addresses;
- * [0]==cache-enabled, [1]==cache-inhibited.
- */
- void __iomem *addr_virt[2];
+ /* Portal addresses */
+ void *addr_virt_ce;
+ void __iomem *addr_virt_ci;
struct device *dev;
struct iommu_domain *iommu_domain;
/* Allow these to be joined in lists */
@@ -187,6 +183,7 @@ struct qm_portal_config {
#define QMAN_REV20 0x0200
#define QMAN_REV30 0x0300
#define QMAN_REV31 0x0301
+#define QMAN_REV32 0x0302
extern u16 qman_ip_rev; /* 0 if uninitialised, otherwise QMAN_REVx */
#define QM_FQID_RANGE_START 1 /* FQID 0 reserved for internal use */
diff --git a/drivers/soc/fsl/qbman/qman_test.h b/drivers/soc/fsl/qbman/qman_test.h
index d5f8cb2260dc..41bdbc48cade 100644
--- a/drivers/soc/fsl/qbman/qman_test.h
+++ b/drivers/soc/fsl/qbman/qman_test.h
@@ -30,7 +30,5 @@
#include "qman_priv.h"
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
int qman_test_stash(void);
int qman_test_api(void);
generated by cgit (git 2.34.1) at 2024-05-30 15:19:25 +0000