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-rw-r--r--arch/powerpc/include/asm/fsl_kibo.h90
-rw-r--r--drivers/iommu/fsl_pamu.c97
-rw-r--r--drivers/iommu/fsl_pamu_domain.c11
-rw-r--r--drivers/net/ethernet/freescale/dpa/mac.c2
-rw-r--r--drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_fm.c17
-rw-r--r--drivers/staging/fsl_qbman/qman_debugfs.c4
-rw-r--r--include/linux/fsl_dpa_offload.h2
-rw-r--r--include/linux/iommu.h5
8 files changed, 199 insertions, 29 deletions
diff --git a/arch/powerpc/include/asm/fsl_kibo.h b/arch/powerpc/include/asm/fsl_kibo.h
new file mode 100644
index 0000000..f0a4166
--- /dev/null
+++ b/arch/powerpc/include/asm/fsl_kibo.h
@@ -0,0 +1,90 @@
+/**
+ * Freecale shared cluster L2 cache (Kibo)
+ *
+ * Authors: Varun Sethi <Varun.Sethi@freescale.com>
+ *
+ * Copyright 2013 Freescale Semiconductor, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __ASM_POWERPC_FSL_KIBO_H__
+#define __ASM_POWERPC_FSL_KIBO_H__
+#ifdef __KERNEL__
+
+/**
+ * Shared cluster L2 cache(Kibo) Registers.
+ *
+ * Shared cluster L2 cache or Kibo is a backside cache shared by e6500 and
+ * star core DSP cores in a cluster. Kibo is present on Freescale SOCs (T4/B4)
+ * following the chassis 2 specification.
+ *
+ * These registers are memory mapped and can be accessed through the CCSR space.
+ *
+ */
+
+#define CLUSTER_L2_STASH_MASK 0xff
+
+struct ccsr_cluster_l2 {
+ u32 l2csr0; /* 0x000 L2 cache control and status register 0 */
+ u32 l2csr1; /* 0x004 L2 cache control and status register 1 */
+ u32 l2cfg0; /* 0x008 L2 cache configuration register 0 */
+ u8 res_0c[500];/* 0x00c - 0x1ff */
+ u32 l2pir0; /* 0x200 L2 cache partitioning ID register 0 */
+ u8 res_204[4];
+ u32 l2par0; /* 0x208 L2 cache partitioning allocation register 0 */
+ u32 l2pwr0; /* 0x20c L2 cache partitioning way register 0 */
+ u32 l2pir1; /* 0x210 L2 cache partitioning ID register 1 */
+ u8 res_214[4];
+ u32 l2par1; /* 0x218 L2 cache partitioning allocation register 1 */
+ u32 l2pwr1; /* 0x21c L2 cache partitioning way register 1 */
+ u32 u2pir2; /* 0x220 L2 cache partitioning ID register 2 */
+ u8 res_224[4];
+ u32 l2par2; /* 0x228 L2 cache partitioning allocation register 2 */
+ u32 l2pwr2; /* 0x22c L2 cache partitioning way register 2 */
+ u32 l2pir3; /* 0x230 L2 cache partitioning ID register 3 */
+ u8 res_234[4];
+ u32 l2par3; /* 0x238 L2 cache partitining allocation register 3 */
+ u32 l2pwr3; /* 0x23c L2 cache partitining way register 3 */
+ u32 l2pir4; /* 0x240 L2 cache partitioning ID register 3 */
+ u8 res244[4];
+ u32 l2par4; /* 0x248 L2 cache partitioning allocation register 3 */
+ u32 l2pwr4; /* 0x24c L2 cache partitioning way register 3 */
+ u32 l2pir5; /* 0x250 L2 cache partitioning ID register 3 */
+ u8 res_254[4];
+ u32 l2par5; /* 0x258 L2 cache partitioning allocation register 3 */
+ u32 l2pwr5; /* 0x25c L2 cache partitioning way register 3 */
+ u32 l2pir6; /* 0x260 L2 cache partitioning ID register 3 */
+ u8 res_264[4];
+ u32 l2par6; /* 0x268 L2 cache partitioning allocation register 3 */
+ u32 l2pwr6; /* 0x26c L2 cache partitioning way register 3 */
+ u32 l2pir7; /* 0x270 L2 cache partitioning ID register 3 */
+ u8 res274[4];
+ u32 l2par7; /* 0x278 L2 cache partitioning allocation register 3 */
+ u32 l2pwr7; /* 0x27c L2 cache partitioning way register 3 */
+ u8 res_280[0xb80]; /* 0x280 - 0xdff */
+ u32 l2errinjhi; /* 0xe00 L2 cache error injection mask high */
+ u32 l2errinjlo; /* 0xe04 L2 cache error injection mask low */
+ u32 l2errinjctl;/* 0xe08 L2 cache error injection control */
+ u8 res_e0c[20]; /* 0xe0c - 0x01f */
+ u32 l2captdatahi; /* 0xe20 L2 cache error capture data high */
+ u32 l2captdatalo; /* 0xe24 L2 cache error capture data low */
+ u32 l2captecc; /* 0xe28 L2 cache error capture ECC syndrome */
+ u8 res_e2c[20]; /* 0xe2c - 0xe3f */
+ u32 l2errdet; /* 0xe40 L2 cache error detect */
+ u32 l2errdis; /* 0xe44 L2 cache error disable */
+ u32 l2errinten; /* 0xe48 L2 cache error interrupt enable */
+ u32 l2errattr; /* 0xe4c L2 cache error attribute */
+ u32 l2erreaddr; /* 0xe50 L2 cache error extended address */
+ u32 l2erraddr; /* 0xe54 L2 cache error address */
+ u32 l2errctl; /* 0xe58 L2 cache error control */
+ u8 res_e5c[0xa4]; /* 0xe5c - 0xf00 */
+ u32 l2hdbcr0; /* 0xf00 L2 cache hardware debugcontrol register 0 */
+ u32 l2hdbcr1; /* 0xf00 L2 cache hardware debugcontrol register 1 */
+ u32 l2hdbcr2; /* 0xf00 L2 cache hardware debugcontrol register 2 */
+};
+#endif /*__KERNEL__ */
+#endif /*__ASM_POWERPC_FSL_KIBO_H__*/
diff --git a/drivers/iommu/fsl_pamu.c b/drivers/iommu/fsl_pamu.c
index 4d466d6..84a5de7 100644
--- a/drivers/iommu/fsl_pamu.c
+++ b/drivers/iommu/fsl_pamu.c
@@ -32,6 +32,7 @@
#include <asm/io.h>
#include <asm/bitops.h>
#include <asm/fsl_guts.h>
+#include <asm/fsl_kibo.h>
#include "fsl_pamu.h"
@@ -529,6 +530,72 @@ void get_ome_index(u32 *omi_index, struct device *dev)
*omi_index = OMI_QMAN_PRIV;
}
+/*
+ * We get the stash id programmed by SDOS from the shared
+ * cluster L2 l2csr1 register.
+ */
+static u32 get_dsp_l2_stash_id(u32 cluster)
+{
+ const u32 *prop;
+ struct device_node *node;
+ struct device_node *dsp_cpu_node;
+ struct ccsr_cluster_l2 *l2cache_regs;
+ u32 stash_id;
+
+ for_each_compatible_node(node, NULL, "fsl,sc3900-cluster") {
+ prop = of_get_property(node, "reg", 0);
+ if (!prop) {
+ pr_err("missing reg property in dsp cluster %s\n",
+ node->full_name);
+ of_node_put(node);
+ return ~(u32)0;
+ }
+
+ if (*prop == cluster) {
+ dsp_cpu_node = of_find_compatible_node(node, NULL, "fsl,sc3900");
+ if (!dsp_cpu_node) {
+ pr_err("missing dsp cpu node in dsp cluster %s\n",
+ node->full_name);
+ of_node_put(node);
+ return ~(u32)0;
+ }
+ of_node_put(node);
+
+ prop = of_get_property(dsp_cpu_node, "next-level-cache", 0);
+ if (!prop) {
+ pr_err("missing next level cache property in dsp cpu %s\n",
+ node->full_name);
+ of_node_put(dsp_cpu_node);
+ return ~(u32)0;
+ }
+ of_node_put(dsp_cpu_node);
+
+ node = of_find_node_by_phandle(*prop);
+ if (!node) {
+ pr_err("Invalid node for cache hierarchy %s\n",
+ node->full_name);
+ return ~(u32)0;
+ }
+
+ l2cache_regs = of_iomap(node, 0);
+ if (!l2cache_regs) {
+ pr_err("failed to map cluster l2 cache registers %s\n",
+ node->full_name);
+ of_node_put(node);
+ return ~(u32)0;
+ }
+
+ stash_id = in_be32(&l2cache_regs->l2csr1) &
+ CLUSTER_L2_STASH_MASK;
+ of_node_put(node);
+ iounmap(l2cache_regs);
+
+ return stash_id;
+ }
+ }
+ return ~(u32)0;
+}
+
/**
* get_stash_id - Returns stash destination id corresponding to a
* cache type and vcpu.
@@ -546,6 +613,10 @@ u32 get_stash_id(u32 stash_dest_hint, u32 vcpu)
int len, found = 0;
int i;
+ /* check for DSP L2 cache */
+ if (stash_dest_hint == IOMMU_ATTR_CACHE_DSP_L2) {
+ return get_dsp_l2_stash_id(vcpu);
+ }
/* Fastpath, exit early if L3/CPC cache is target for stashing */
if (stash_dest_hint == IOMMU_ATTR_CACHE_L3) {
node = of_find_matching_node(NULL, l3_device_ids);
@@ -707,26 +778,12 @@ static void __init setup_omt(struct ome *omt)
ome->moe[IOE_DIRECT0_IDX] = EOE_LDEC | EOE_VALID;
ome->moe[IOE_DIRECT1_IDX] = EOE_LDEC | EOE_VALID;
- /* Configure OMI_DMA */
- ome = &omt[OMI_DMA];
- ome->moe[IOE_READ_IDX] = EOE_VALID | EOE_RSA;
- ome->moe[IOE_EREAD0_IDX] = EOE_VALID | EOE_RSA;
- ome->moe[IOE_WRITE_IDX] = EOE_VALID | EOE_WWSA;
- ome->moe[IOE_EWRITE0_IDX] = EOE_VALID | EOE_WWSA;
-
- /* Configure OMI_DMA_READI */
- ome = &omt[OMI_DMA_READI];
- ome->moe[IOE_READ_IDX] = EOE_VALID | EOE_READI;
- ome->moe[IOE_EREAD0_IDX] = EOE_VALID | EOE_READI;
- ome->moe[IOE_WRITE_IDX] = EOE_VALID | EOE_WWSA;
- ome->moe[IOE_EWRITE0_IDX] = EOE_VALID | EOE_WWSA;
-
- /* Configure OMI_MAPLE */
- ome = &omt[OMI_MAPLE];
- ome->moe[IOE_READ_IDX] = EOE_VALID | EOE_RSA;
- ome->moe[IOE_EREAD0_IDX] = EOE_VALID | EOE_RSA;
- ome->moe[IOE_WRITE_IDX] = EOE_VALID | EOE_WWSA;
- ome->moe[IOE_EWRITE0_IDX] = EOE_VALID | EOE_WWSA;
+ /* Configure OMI_DSP */
+ ome = &omt[OMI_DSP];
+ ome->moe[IOE_READ_IDX] = EOE_VALID | EOE_RWNITC;
+ ome->moe[IOE_EREAD0_IDX] = EOE_VALID | EOE_RWNITC;
+ ome->moe[IOE_WRITE_IDX] = EOE_VALID | EOE_WWSAO;
+ ome->moe[IOE_EWRITE0_IDX] = EOE_VALID | EOE_WWSAO;
}
/*
diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c
index 99c182d..b7b915e 100644
--- a/drivers/iommu/fsl_pamu_domain.c
+++ b/drivers/iommu/fsl_pamu_domain.c
@@ -800,6 +800,11 @@ static int configure_domain_geometry(struct iommu_domain *domain, void *data)
return 0;
}
+static inline int check_attr_window(u32 wnd, struct fsl_dma_domain *dma_domain)
+{
+ return ((~wnd != 0) && (wnd >= dma_domain->win_cnt));
+}
+
/* Set the domain operation mapping attribute */
static int configure_domain_op_map(struct fsl_dma_domain *dma_domain,
void *data)
@@ -818,7 +823,8 @@ static int configure_domain_op_map(struct fsl_dma_domain *dma_domain,
return -ENODEV;
}
- if (omi_attr->omi >= OMI_MAX) {
+ if (omi_attr->omi >= OMI_MAX ||
+ check_attr_window(omi_attr->window, dma_domain)) {
pr_err("Invalid operation mapping index\n");
spin_unlock_irqrestore(&dma_domain->domain_lock, flags);
return -EINVAL;
@@ -863,7 +869,8 @@ static int configure_domain_stash(struct fsl_dma_domain *dma_domain, void *data)
stash_id = get_stash_id(stash_attr->cache,
stash_attr->cpu);
- if (~stash_id == 0) {
+ if ((~stash_id == 0) ||
+ check_attr_window(stash_attr->window, dma_domain)) {
pr_err("Invalid stash attributes\n");
spin_unlock_irqrestore(&dma_domain->domain_lock, flags);
return -EINVAL;
diff --git a/drivers/net/ethernet/freescale/dpa/mac.c b/drivers/net/ethernet/freescale/dpa/mac.c
index f937d7a..24d351c 100644
--- a/drivers/net/ethernet/freescale/dpa/mac.c
+++ b/drivers/net/ethernet/freescale/dpa/mac.c
@@ -352,7 +352,7 @@ static int __cold mac_probe(struct platform_device *_of_dev)
goto _return_dev_set_drvdata;
}
- sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "0", phy_id[0]);
+ sprintf(mac_dev->fixed_bus_id, PHY_ID_FMT, "fixed-0", phy_id[0]);
}
_errno = mac_dev->init(mac_dev);
diff --git a/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_fm.c b/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_fm.c
index b136b77..10de0ad 100644
--- a/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_fm.c
+++ b/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_fm.c
@@ -462,6 +462,12 @@ static const struct qe_firmware *FindFmanMicrocode(void)
/* Returning NULL here forces the reuse of the IRAM content */
return NULL;
}
+#define SVR_SECURITY_MASK 0x00080000
+#define SVR_PERSONALITY_MASK 0x0000FF00
+#define SVR_VER_IGNORE_MASK (SVR_SECURITY_MASK | SVR_PERSONALITY_MASK)
+#define SVR_B4860_REV1_VALUE 0x86800010
+#define SVR_B4860_REV2_VALUE 0x86800020
+
static t_LnxWrpFmDev * ReadFmDevTreeNode (struct platform_device *of_dev)
{
@@ -517,6 +523,17 @@ static t_LnxWrpFmDev * ReadFmDevTreeNode (struct platform_device *of_dev)
return NULL;
}
+ {
+ uint32_t svr;
+
+ svr = mfspr(SPRN_SVR);
+
+ if ((svr & ~SVR_VER_IGNORE_MASK) == SVR_B4860_REV2_VALUE) {
+ res.end = 0x80000;
+ res.start = 0;
+ }
+ }
+
p_LnxWrpFmDev->fmBaseAddr = 0;
p_LnxWrpFmDev->fmPhysBaseAddr = res.start;
p_LnxWrpFmDev->fmMemSize = res.end + 1 - res.start;
diff --git a/drivers/staging/fsl_qbman/qman_debugfs.c b/drivers/staging/fsl_qbman/qman_debugfs.c
index 6b4dc046..ede3d40 100644
--- a/drivers/staging/fsl_qbman/qman_debugfs.c
+++ b/drivers/staging/fsl_qbman/qman_debugfs.c
@@ -1387,7 +1387,7 @@ static int query_ceetm_xsfdr_show(struct seq_file *file, void *offset)
enum qm_dc_portal portal;
- if ((qman_ip_rev & 0xFF00) < QMAN_REV31)
+ if (qman_ip_rev < QMAN_REV31)
return -EINVAL;
portal = query_ceetm_xsfdr_data.dcp_portal;
@@ -1399,7 +1399,7 @@ static int query_ceetm_xsfdr_show(struct seq_file *file, void *offset)
}
seq_printf(file, "DCP%d: CEETM_XSFDR_IN_USE number is %u\n", portal,
- (xsfdr_in_use & 0x1FF));
+ (xsfdr_in_use & 0x1FFF));
return 0;
}
diff --git a/include/linux/fsl_dpa_offload.h b/include/linux/fsl_dpa_offload.h
index c85c4c6..b5f4e6e 100644
--- a/include/linux/fsl_dpa_offload.h
+++ b/include/linux/fsl_dpa_offload.h
@@ -162,7 +162,7 @@ struct ipv4_header {
uint8_t *options;
/* Size of IPv4 options buffer. Zero for no options. */
- unsigned int options_size;
+ uint8_t options_size;
};
/* Description of the VLAN header */
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 5153c0c..992d45a 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -45,6 +45,7 @@ enum stash_target {
IOMMU_ATTR_CACHE_L1 = 1,
IOMMU_ATTR_CACHE_L2,
IOMMU_ATTR_CACHE_L3,
+ IOMMU_ATTR_CACHE_DSP_L2,
};
/* This attribute corresponds to IOMMUs capable of generating
@@ -89,9 +90,7 @@ enum omap_index {
OMI_QMAN_PRIV,
OMI_CAAM,
OMI_PMAN,
- OMI_DMA,
- OMI_DMA_READI,
- OMI_MAPLE,
+ OMI_DSP,
OMI_MAX,
};