diff options
author | Olof Johansson <olof@lixom.net> | 2019-06-17 04:38:06 -0700 |
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committer | Olof Johansson <olof@lixom.net> | 2019-06-17 04:38:06 -0700 |
commit | 112603739338346eb2f34f3d3ab94b04731ab83d (patch) | |
tree | 0346312de6502fcd2882d5373c1018a4eee15267 /drivers | |
parent | 9e0babf2c06c73cda2c0cd37a1653d823adb40ec (diff) | |
parent | 5d1d046e2868fc876a69231eb2f24f000b521f1c (diff) | |
download | linux-112603739338346eb2f34f3d3ab94b04731ab83d.tar.gz linux-112603739338346eb2f34f3d3ab94b04731ab83d.tar.bz2 linux-112603739338346eb2f34f3d3ab94b04731ab83d.zip |
Merge tag 'soc-fsl-next-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers
NXP/FSL SoC driver updates for v5.3
DPAA2 Console driver
- Add driver to export two char devices to dump logs for MC and
AIOP
DPAA2 DPIO driver
- Add support for memory backed QBMan portals
- Increase the timeout period to prevent false error
- Add APIs to retrieve QBMan portal probing status
DPAA Qman driver
- Only make liodn fixup on powerpc SoCs with PAMU iommu
* tag 'soc-fsl-next-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
soc: fsl: qbman_portals: add APIs to retrieve the probing status
soc: fsl: qman: fixup liodns only on ppc targets
soc: fsl: dpio: Add support for memory backed QBMan portals
bus: mc-bus: Add support for mapping shareable portals
soc: fsl: dpio: Increase timeout for QBMan Management Commands
soc: fsl: add DPAA2 console support
Documentation: DT: Add entry for DPAA2 console
soc: fsl: guts: Add definition for LX2160A
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/bus/fsl-mc/dprc.c | 30 | ||||
-rw-r--r-- | drivers/bus/fsl-mc/fsl-mc-bus.c | 15 | ||||
-rw-r--r-- | drivers/bus/fsl-mc/fsl-mc-private.h | 17 | ||||
-rw-r--r-- | drivers/soc/fsl/Kconfig | 10 | ||||
-rw-r--r-- | drivers/soc/fsl/Makefile | 1 | ||||
-rw-r--r-- | drivers/soc/fsl/dpaa2-console.c | 329 | ||||
-rw-r--r-- | drivers/soc/fsl/dpio/dpio-driver.c | 23 | ||||
-rw-r--r-- | drivers/soc/fsl/dpio/qbman-portal.c | 148 | ||||
-rw-r--r-- | drivers/soc/fsl/dpio/qbman-portal.h | 9 | ||||
-rw-r--r-- | drivers/soc/fsl/guts.c | 6 | ||||
-rw-r--r-- | drivers/soc/fsl/qbman/bman_portal.c | 20 | ||||
-rw-r--r-- | drivers/soc/fsl/qbman/qman_ccsr.c | 2 | ||||
-rw-r--r-- | drivers/soc/fsl/qbman/qman_portal.c | 21 | ||||
-rw-r--r-- | drivers/soc/fsl/qbman/qman_priv.h | 9 |
14 files changed, 589 insertions, 51 deletions
diff --git a/drivers/bus/fsl-mc/dprc.c b/drivers/bus/fsl-mc/dprc.c index 1c3f62182266..0fe3f52ae0de 100644 --- a/drivers/bus/fsl-mc/dprc.c +++ b/drivers/bus/fsl-mc/dprc.c @@ -443,11 +443,31 @@ int dprc_get_obj_region(struct fsl_mc_io *mc_io, struct fsl_mc_command cmd = { 0 }; struct dprc_cmd_get_obj_region *cmd_params; struct dprc_rsp_get_obj_region *rsp_params; + u16 major_ver, minor_ver; int err; /* prepare command */ - cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG, - cmd_flags, token); + err = dprc_get_api_version(mc_io, 0, + &major_ver, + &minor_ver); + if (err) + return err; + + /** + * MC API version 6.3 introduced a new field to the region + * descriptor: base_address. If the older API is in use then the base + * address is set to zero to indicate it needs to be obtained elsewhere + * (typically the device tree). + */ + if (major_ver > 6 || (major_ver == 6 && minor_ver >= 3)) + cmd.header = + mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG_V2, + cmd_flags, token); + else + cmd.header = + mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG, + cmd_flags, token); + cmd_params = (struct dprc_cmd_get_obj_region *)cmd.params; cmd_params->obj_id = cpu_to_le32(obj_id); cmd_params->region_index = region_index; @@ -461,8 +481,12 @@ int dprc_get_obj_region(struct fsl_mc_io *mc_io, /* retrieve response parameters */ rsp_params = (struct dprc_rsp_get_obj_region *)cmd.params; - region_desc->base_offset = le64_to_cpu(rsp_params->base_addr); + region_desc->base_offset = le64_to_cpu(rsp_params->base_offset); region_desc->size = le32_to_cpu(rsp_params->size); + if (major_ver > 6 || (major_ver == 6 && minor_ver >= 3)) + region_desc->base_address = le64_to_cpu(rsp_params->base_addr); + else + region_desc->base_address = 0; return 0; } diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c index f0404c6d1ff4..5c9bf2e06552 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -487,10 +487,19 @@ static int fsl_mc_device_get_mmio_regions(struct fsl_mc_device *mc_dev, "dprc_get_obj_region() failed: %d\n", error); goto error_cleanup_regions; } - - error = translate_mc_addr(mc_dev, mc_region_type, + /* + * Older MC only returned region offset and no base address + * If base address is in the region_desc use it otherwise + * revert to old mechanism + */ + if (region_desc.base_address) + regions[i].start = region_desc.base_address + + region_desc.base_offset; + else + error = translate_mc_addr(mc_dev, mc_region_type, region_desc.base_offset, ®ions[i].start); + if (error < 0) { dev_err(parent_dev, "Invalid MC offset: %#x (for %s.%d\'s region %d)\n", @@ -504,6 +513,8 @@ static int fsl_mc_device_get_mmio_regions(struct fsl_mc_device *mc_dev, regions[i].flags = IORESOURCE_IO; if (region_desc.flags & DPRC_REGION_CACHEABLE) regions[i].flags |= IORESOURCE_CACHEABLE; + if (region_desc.flags & DPRC_REGION_SHAREABLE) + regions[i].flags |= IORESOURCE_MEM; } mc_dev->regions = regions; diff --git a/drivers/bus/fsl-mc/fsl-mc-private.h b/drivers/bus/fsl-mc/fsl-mc-private.h index ea11b4fe59f7..020fcc04ec8b 100644 --- a/drivers/bus/fsl-mc/fsl-mc-private.h +++ b/drivers/bus/fsl-mc/fsl-mc-private.h @@ -79,9 +79,11 @@ int dpmcp_reset(struct fsl_mc_io *mc_io, /* DPRC command versioning */ #define DPRC_CMD_BASE_VERSION 1 +#define DPRC_CMD_2ND_VERSION 2 #define DPRC_CMD_ID_OFFSET 4 #define DPRC_CMD(id) (((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_BASE_VERSION) +#define DPRC_CMD_V2(id) (((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_2ND_VERSION) /* DPRC command IDs */ #define DPRC_CMDID_CLOSE DPRC_CMD(0x800) @@ -100,6 +102,7 @@ int dpmcp_reset(struct fsl_mc_io *mc_io, #define DPRC_CMDID_GET_OBJ_COUNT DPRC_CMD(0x159) #define DPRC_CMDID_GET_OBJ DPRC_CMD(0x15A) #define DPRC_CMDID_GET_OBJ_REG DPRC_CMD(0x15E) +#define DPRC_CMDID_GET_OBJ_REG_V2 DPRC_CMD_V2(0x15E) #define DPRC_CMDID_SET_OBJ_IRQ DPRC_CMD(0x15F) struct dprc_cmd_open { @@ -199,9 +202,16 @@ struct dprc_rsp_get_obj_region { /* response word 0 */ __le64 pad; /* response word 1 */ - __le64 base_addr; + __le64 base_offset; /* response word 2 */ __le32 size; + __le32 pad2; + /* response word 3 */ + __le32 flags; + __le32 pad3; + /* response word 4 */ + /* base_addr may be zero if older MC firmware is used */ + __le64 base_addr; }; struct dprc_cmd_set_obj_irq { @@ -334,6 +344,7 @@ int dprc_set_obj_irq(struct fsl_mc_io *mc_io, /* Region flags */ /* Cacheable - Indicates that region should be mapped as cacheable */ #define DPRC_REGION_CACHEABLE 0x00000001 +#define DPRC_REGION_SHAREABLE 0x00000002 /** * enum dprc_region_type - Region type @@ -342,7 +353,8 @@ int dprc_set_obj_irq(struct fsl_mc_io *mc_io, */ enum dprc_region_type { DPRC_REGION_TYPE_MC_PORTAL, - DPRC_REGION_TYPE_QBMAN_PORTAL + DPRC_REGION_TYPE_QBMAN_PORTAL, + DPRC_REGION_TYPE_QBMAN_MEM_BACKED_PORTAL }; /** @@ -360,6 +372,7 @@ struct dprc_region_desc { u32 size; u32 flags; enum dprc_region_type type; + u64 base_address; }; int dprc_get_obj_region(struct fsl_mc_io *mc_io, diff --git a/drivers/soc/fsl/Kconfig b/drivers/soc/fsl/Kconfig index 217f7752cf2c..f9ad8ad54a7d 100644 --- a/drivers/soc/fsl/Kconfig +++ b/drivers/soc/fsl/Kconfig @@ -30,4 +30,14 @@ config FSL_MC_DPIO other DPAA2 objects. This driver does not expose the DPIO objects individually, but groups them under a service layer API. + +config DPAA2_CONSOLE + tristate "QorIQ DPAA2 console driver" + depends on OF && (ARCH_LAYERSCAPE || COMPILE_TEST) + default y + help + Console driver for DPAA2 platforms. Exports 2 char devices, + /dev/dpaa2_mc_console and /dev/dpaa2_aiop_console, + which can be used to dump the Management Complex and AIOP + firmware logs. endmenu diff --git a/drivers/soc/fsl/Makefile b/drivers/soc/fsl/Makefile index 158541a83d26..71dee8d0d1f0 100644 --- a/drivers/soc/fsl/Makefile +++ b/drivers/soc/fsl/Makefile @@ -8,3 +8,4 @@ obj-$(CONFIG_QUICC_ENGINE) += qe/ obj-$(CONFIG_CPM) += qe/ obj-$(CONFIG_FSL_GUTS) += guts.o obj-$(CONFIG_FSL_MC_DPIO) += dpio/ +obj-$(CONFIG_DPAA2_CONSOLE) += dpaa2-console.o diff --git a/drivers/soc/fsl/dpaa2-console.c b/drivers/soc/fsl/dpaa2-console.c new file mode 100644 index 000000000000..9168d8ddc932 --- /dev/null +++ b/drivers/soc/fsl/dpaa2-console.c @@ -0,0 +1,329 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * Freescale DPAA2 Platforms Console Driver + * + * Copyright 2015-2016 Freescale Semiconductor Inc. + * Copyright 2018 NXP + */ + +#define pr_fmt(fmt) "dpaa2-console: " fmt + +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/of_address.h> +#include <linux/miscdevice.h> +#include <linux/uaccess.h> +#include <linux/slab.h> +#include <linux/fs.h> +#include <linux/io.h> + +/* MC firmware base low/high registers indexes */ +#define MCFBALR_OFFSET 0 +#define MCFBAHR_OFFSET 1 + +/* Bit masks used to get the most/least significant part of the MC base addr */ +#define MC_FW_ADDR_MASK_HIGH 0x1FFFF +#define MC_FW_ADDR_MASK_LOW 0xE0000000 + +#define MC_BUFFER_OFFSET 0x01000000 +#define MC_BUFFER_SIZE (1024 * 1024 * 16) +#define MC_OFFSET_DELTA MC_BUFFER_OFFSET + +#define AIOP_BUFFER_OFFSET 0x06000000 +#define AIOP_BUFFER_SIZE (1024 * 1024 * 16) +#define AIOP_OFFSET_DELTA 0 + +#define LOG_HEADER_FLAG_BUFFER_WRAPAROUND 0x80000000 +#define LAST_BYTE(a) ((a) & ~(LOG_HEADER_FLAG_BUFFER_WRAPAROUND)) + +/* MC and AIOP Magic words */ +#define MAGIC_MC 0x4d430100 +#define MAGIC_AIOP 0x41494F50 + +struct log_header { + __le32 magic_word; + char reserved[4]; + __le32 buf_start; + __le32 buf_length; + __le32 last_byte; +}; + +struct console_data { + void __iomem *map_addr; + struct log_header __iomem *hdr; + void __iomem *start_addr; + void __iomem *end_addr; + void __iomem *end_of_data; + void __iomem *cur_ptr; +}; + +static struct resource mc_base_addr; + +static inline void adjust_end(struct console_data *cd) +{ + u32 last_byte = readl(&cd->hdr->last_byte); + + cd->end_of_data = cd->start_addr + LAST_BYTE(last_byte); +} + +static u64 get_mc_fw_base_address(void) +{ + u64 mcfwbase = 0ULL; + u32 __iomem *mcfbaregs; + + mcfbaregs = ioremap(mc_base_addr.start, resource_size(&mc_base_addr)); + if (!mcfbaregs) { + pr_err("could not map MC Firmaware Base registers\n"); + return 0; + } + + mcfwbase = readl(mcfbaregs + MCFBAHR_OFFSET) & + MC_FW_ADDR_MASK_HIGH; + mcfwbase <<= 32; + mcfwbase |= readl(mcfbaregs + MCFBALR_OFFSET) & MC_FW_ADDR_MASK_LOW; + iounmap(mcfbaregs); + + pr_debug("MC base address at 0x%016llx\n", mcfwbase); + return mcfwbase; +} + +static ssize_t dpaa2_console_size(struct console_data *cd) +{ + ssize_t size; + + if (cd->cur_ptr <= cd->end_of_data) + size = cd->end_of_data - cd->cur_ptr; + else + size = (cd->end_addr - cd->cur_ptr) + + (cd->end_of_data - cd->start_addr); + + return size; +} + +static int dpaa2_generic_console_open(struct inode *node, struct file *fp, + u64 offset, u64 size, + u32 expected_magic, + u32 offset_delta) +{ + u32 read_magic, wrapped, last_byte, buf_start, buf_length; + struct console_data *cd; + u64 base_addr; + int err; + + cd = kmalloc(sizeof(*cd), GFP_KERNEL); + if (!cd) + return -ENOMEM; + + base_addr = get_mc_fw_base_address(); + if (!base_addr) { + err = -EIO; + goto err_fwba; + } + + cd->map_addr = ioremap(base_addr + offset, size); + if (!cd->map_addr) { + pr_err("cannot map console log memory\n"); + err = -EIO; + goto err_ioremap; + } + + cd->hdr = (struct log_header __iomem *)cd->map_addr; + read_magic = readl(&cd->hdr->magic_word); + last_byte = readl(&cd->hdr->last_byte); + buf_start = readl(&cd->hdr->buf_start); + buf_length = readl(&cd->hdr->buf_length); + + if (read_magic != expected_magic) { + pr_warn("expected = %08x, read = %08x\n", + expected_magic, read_magic); + err = -EIO; + goto err_magic; + } + + cd->start_addr = cd->map_addr + buf_start - offset_delta; + cd->end_addr = cd->start_addr + buf_length; + + wrapped = last_byte & LOG_HEADER_FLAG_BUFFER_WRAPAROUND; + + adjust_end(cd); + if (wrapped && cd->end_of_data != cd->end_addr) + cd->cur_ptr = cd->end_of_data + 1; + else + cd->cur_ptr = cd->start_addr; + + fp->private_data = cd; + + return 0; + +err_magic: + iounmap(cd->map_addr); + +err_ioremap: +err_fwba: + kfree(cd); + + return err; +} + +static int dpaa2_mc_console_open(struct inode *node, struct file *fp) +{ + return dpaa2_generic_console_open(node, fp, + MC_BUFFER_OFFSET, MC_BUFFER_SIZE, + MAGIC_MC, MC_OFFSET_DELTA); +} + +static int dpaa2_aiop_console_open(struct inode *node, struct file *fp) +{ + return dpaa2_generic_console_open(node, fp, + AIOP_BUFFER_OFFSET, AIOP_BUFFER_SIZE, + MAGIC_AIOP, AIOP_OFFSET_DELTA); +} + +static int dpaa2_console_close(struct inode *node, struct file *fp) +{ + struct console_data *cd = fp->private_data; + + iounmap(cd->map_addr); + kfree(cd); + return 0; +} + +static ssize_t dpaa2_console_read(struct file *fp, char __user *buf, + size_t count, loff_t *f_pos) +{ + struct console_data *cd = fp->private_data; + size_t bytes = dpaa2_console_size(cd); + size_t bytes_end = cd->end_addr - cd->cur_ptr; + size_t written = 0; + void *kbuf; + int err; + + /* Check if we need to adjust the end of data addr */ + adjust_end(cd); + + if (cd->end_of_data == cd->cur_ptr) + return 0; + + if (count < bytes) + bytes = count; + + kbuf = kmalloc(bytes, GFP_KERNEL); + if (!kbuf) + return -ENOMEM; + + if (bytes > bytes_end) { + memcpy_fromio(kbuf, cd->cur_ptr, bytes_end); + if (copy_to_user(buf, kbuf, bytes_end)) { + err = -EFAULT; + goto err_free_buf; + } + buf += bytes_end; + cd->cur_ptr = cd->start_addr; + bytes -= bytes_end; + written += bytes_end; + } + + memcpy_fromio(kbuf, cd->cur_ptr, bytes); + if (copy_to_user(buf, kbuf, bytes)) { + err = -EFAULT; + goto err_free_buf; + } + cd->cur_ptr += bytes; + written += bytes; + + return written; + +err_free_buf: + kfree(kbuf); + + return err; +} + +static const struct file_operations dpaa2_mc_console_fops = { + .owner = THIS_MODULE, + .open = dpaa2_mc_console_open, + .release = dpaa2_console_close, + .read = dpaa2_console_read, +}; + +static struct miscdevice dpaa2_mc_console_dev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "dpaa2_mc_console", + .fops = &dpaa2_mc_console_fops +}; + +static const struct file_operations dpaa2_aiop_console_fops = { + .owner = THIS_MODULE, + .open = dpaa2_aiop_console_open, + .release = dpaa2_console_close, + .read = dpaa2_console_read, +}; + +static struct miscdevice dpaa2_aiop_console_dev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "dpaa2_aiop_console", + .fops = &dpaa2_aiop_console_fops +}; + +static int dpaa2_console_probe(struct platform_device *pdev) +{ + int error; + + error = of_address_to_resource(pdev->dev.of_node, 0, &mc_base_addr); + if (error < 0) { + pr_err("of_address_to_resource() failed for %pOF with %d\n", + pdev->dev.of_node, error); + return error; + } + + error = misc_register(&dpaa2_mc_console_dev); + if (error) { + pr_err("cannot register device %s\n", + dpaa2_mc_console_dev.name); + goto err_register_mc; + } + + error = misc_register(&dpaa2_aiop_console_dev); + if (error) { + pr_err("cannot register device %s\n", + dpaa2_aiop_console_dev.name); + goto err_register_aiop; + } + + return 0; + +err_register_aiop: + misc_deregister(&dpaa2_mc_console_dev); +err_register_mc: + return error; +} + +static int dpaa2_console_remove(struct platform_device *pdev) +{ + misc_deregister(&dpaa2_mc_console_dev); + misc_deregister(&dpaa2_aiop_console_dev); + + return 0; +} + +static const struct of_device_id dpaa2_console_match_table[] = { + { .compatible = "fsl,dpaa2-console",}, + {}, +}; + +MODULE_DEVICE_TABLE(of, dpaa2_console_match_table); + +static struct platform_driver dpaa2_console_driver = { + .driver = { + .name = "dpaa2-console", + .pm = NULL, + .of_match_table = dpaa2_console_match_table, + }, + .probe = dpaa2_console_probe, + .remove = dpaa2_console_remove, +}; +module_platform_driver(dpaa2_console_driver); + +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_AUTHOR("Roy Pledge <roy.pledge@nxp.com>"); +MODULE_DESCRIPTION("DPAA2 console driver"); diff --git a/drivers/soc/fsl/dpio/dpio-driver.c b/drivers/soc/fsl/dpio/dpio-driver.c index c0cdc8946031..70014ecce2a7 100644 --- a/drivers/soc/fsl/dpio/dpio-driver.c +++ b/drivers/soc/fsl/dpio/dpio-driver.c @@ -197,13 +197,22 @@ static int dpaa2_dpio_probe(struct fsl_mc_device *dpio_dev) desc.cpu); } - /* - * Set the CENA regs to be the cache inhibited area of the portal to - * avoid coherency issues if a user migrates to another core. - */ - desc.regs_cena = devm_memremap(dev, dpio_dev->regions[1].start, - resource_size(&dpio_dev->regions[1]), - MEMREMAP_WC); + if (dpio_dev->obj_desc.region_count < 3) { + /* No support for DDR backed portals, use classic mapping */ + /* + * Set the CENA regs to be the cache inhibited area of the + * portal to avoid coherency issues if a user migrates to + * another core. + */ + desc.regs_cena = devm_memremap(dev, dpio_dev->regions[1].start, + resource_size(&dpio_dev->regions[1]), + MEMREMAP_WC); + } else { + desc.regs_cena = devm_memremap(dev, dpio_dev->regions[2].start, + resource_size(&dpio_dev->regions[2]), + MEMREMAP_WB); + } + if (IS_ERR(desc.regs_cena)) { dev_err(dev, "devm_memremap failed\n"); err = PTR_ERR(desc.regs_cena); diff --git a/drivers/soc/fsl/dpio/qbman-portal.c b/drivers/soc/fsl/dpio/qbman-portal.c index d02013556a1b..c66f5b73777c 100644 --- a/drivers/soc/fsl/dpio/qbman-portal.c +++ b/drivers/soc/fsl/dpio/qbman-portal.c @@ -15,6 +15,8 @@ #define QMAN_REV_4000 0x04000000 #define QMAN_REV_4100 0x04010000 #define QMAN_REV_4101 0x04010001 +#define QMAN_REV_5000 0x05000000 + #define QMAN_REV_MASK 0xffff0000 /* All QBMan command and result structures use this "valid bit" encoding */ @@ -25,10 +27,17 @@ #define QBMAN_WQCHAN_CONFIGURE 0x46 /* CINH register offsets */ +#define QBMAN_CINH_SWP_EQCR_PI 0x800 #define QBMAN_CINH_SWP_EQAR 0x8c0 +#define QBMAN_CINH_SWP_CR_RT 0x900 +#define QBMAN_CINH_SWP_VDQCR_RT 0x940 +#define QBMAN_CINH_SWP_EQCR_AM_RT 0x980 +#define QBMAN_CINH_SWP_RCR_AM_RT 0x9c0 #define QBMAN_CINH_SWP_DQPI 0xa00 #define QBMAN_CINH_SWP_DCAP 0xac0 #define QBMAN_CINH_SWP_SDQCR 0xb00 +#define QBMAN_CINH_SWP_EQCR_AM_RT2 0xb40 +#define QBMAN_CINH_SWP_RCR_PI 0xc00 #define QBMAN_CINH_SWP_RAR 0xcc0 #define QBMAN_CINH_SWP_ISR 0xe00 #define QBMAN_CINH_SWP_IER 0xe40 @@ -43,6 +52,13 @@ #define QBMAN_CENA_SWP_RR(vb) (0x700 + ((u32)(vb) >> 1)) #define QBMAN_CENA_SWP_VDQCR 0x780 +/* CENA register offsets in memory-backed mode */ +#define QBMAN_CENA_SWP_DQRR_MEM(n) (0x800 + ((u32)(n) << 6)) +#define QBMAN_CENA_SWP_RCR_MEM(n) (0x1400 + ((u32)(n) << 6)) +#define QBMAN_CENA_SWP_CR_MEM 0x1600 +#define QBMAN_CENA_SWP_RR_MEM 0x1680 +#define QBMAN_CENA_SWP_VDQCR_MEM 0x1780 + /* Reverse mapping of QBMAN_CENA_SWP_DQRR() */ #define QBMAN_IDX_FROM_DQRR(p) (((unsigned long)(p) & 0x1ff) >> 6) @@ -96,10 +112,13 @@ static inline void *qbman_get_cmd(struct qbman_swp *p, u32 offset) #define SWP_CFG_DQRR_MF_SHIFT 20 #define SWP_CFG_EST_SHIFT 16 +#define SWP_CFG_CPBS_SHIFT 15 #define SWP_CFG_WN_SHIFT 14 #define SWP_CFG_RPM_SHIFT 12 #define SWP_CFG_DCM_SHIFT 10 #define SWP_CFG_EPM_SHIFT 8 +#define SWP_CFG_VPM_SHIFT 7 +#define SWP_CFG_CPM_SHIFT 6 #define SWP_CFG_SD_SHIFT 5 #define SWP_CFG_SP_SHIFT 4 #define SWP_CFG_SE_SHIFT 3 @@ -125,6 +144,8 @@ static inline u32 qbman_set_swp_cfg(u8 max_fill, u8 wn, u8 est, u8 rpm, u8 dcm, ep << SWP_CFG_EP_SHIFT); } +#define QMAN_RT_MODE 0x00000100 + /** * qbman_swp_init() - Create a functional object representing the given * QBMan portal descriptor. @@ -146,6 +167,8 @@ struct qbman_swp *qbman_swp_init(const struct qbman_swp_desc *d) p->sdq |= qbman_sdqcr_dct_prio_ics << QB_SDQCR_DCT_SHIFT; p->sdq |= qbman_sdqcr_fc_up_to_3 << QB_SDQCR_FC_SHIFT; p->sdq |= QMAN_SDQCR_TOKEN << QB_SDQCR_TOK_SHIFT; + if ((p->desc->qman_version & QMAN_REV_MASK) >= QMAN_REV_5000) + p->mr.valid_bit = QB_VALID_BIT; atomic_set(&p->vdq.available, 1); p->vdq.valid_bit = QB_VALID_BIT; @@ -163,6 +186,9 @@ struct qbman_swp *qbman_swp_init(const struct qbman_swp_desc *d) p->addr_cena = d->cena_bar; p->addr_cinh = d->cinh_bar; + if ((p->desc->qman_version & QMAN_REV_MASK) >= QMAN_REV_5000) + memset(p->addr_cena, 0, 64 * 1024); + reg = qbman_set_swp_cfg(p->dqrr.dqrr_size, 1, /* Writes Non-cacheable */ 0, /* EQCR_CI stashing threshold */ @@ -175,6 +201,10 @@ struct qbman_swp *qbman_swp_init(const struct qbman_swp_desc *d) 1, /* dequeue stashing priority == TRUE */ 0, /* dequeue stashing enable == FALSE */ 0); /* EQCR_CI stashing priority == FALSE */ + if ((p->desc->qman_version & QMAN_REV_MASK) >= QMAN_REV_5000) + reg |= 1 << SWP_CFG_CPBS_SHIFT | /* memory-backed mode */ + 1 << SWP_CFG_VPM_SHIFT | /* VDQCR read triggered mode */ + 1 << SWP_CFG_CPM_SHIFT; /* CR read triggered mode */ qbman_write_register(p, QBMAN_CINH_SWP_CFG, reg); reg = qbman_read_register(p, QBMAN_CINH_SWP_CFG); @@ -184,6 +214,10 @@ struct qbman_swp *qbman_swp_init(const struct qbman_swp_desc *d) return NULL; } + if ((p->desc->qman_version & QMAN_REV_MASK) >= QMAN_REV_5000) { + qbman_write_register(p, QBMAN_CINH_SWP_EQCR_PI, QMAN_RT_MODE); + qbman_write_register(p, QBMAN_CINH_SWP_RCR_PI, QMAN_RT_MODE); + } /* * SDQCR needs to be initialized to 0 when no channels are * being dequeued from or else the QMan HW will indicate an @@ -278,7 +312,10 @@ void qbman_swp_interrupt_set_inhibit(struct qbman_swp *p, int inhibit) */ void *qbman_swp_mc_start(struct qbman_swp *p) { - return qbman_get_cmd(p, QBMAN_CENA_SWP_CR); + if ((p->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) + return qbman_get_cmd(p, QBMAN_CENA_SWP_CR); + else + return qbman_get_cmd(p, QBMAN_CENA_SWP_CR_MEM); } /* @@ -289,8 +326,14 @@ void qbman_swp_mc_submit(struct qbman_swp *p, void *cmd, u8 cmd_verb) { u8 *v = cmd; - dma_wmb(); - *v = cmd_verb | p->mc.valid_bit; + if ((p->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) { + dma_wmb(); + *v = cmd_verb | p->mc.valid_bit; + } else { + *v = cmd_verb | p->mc.valid_bit; + dma_wmb(); + qbman_write_register(p, QBMAN_CINH_SWP_CR_RT, QMAN_RT_MODE); + } } /* @@ -301,13 +344,27 @@ void *qbman_swp_mc_result(struct qbman_swp *p) { u32 *ret, verb; - ret = qbman_get_cmd(p, QBMAN_CENA_SWP_RR(p->mc.valid_bit)); + if ((p->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) { + ret = qbman_get_cmd(p, QBMAN_CENA_SWP_RR(p->mc.valid_bit)); + /* Remove the valid-bit - command completed if the rest + * is non-zero. + */ + verb = ret[0] & ~QB_VALID_BIT; + if (!verb) + return NULL; + p->mc.valid_bit ^= QB_VALID_BIT; + } else { + ret = qbman_get_cmd(p, QBMAN_CENA_SWP_RR_MEM); + /* Command completed if the valid bit is toggled */ + if (p->mr.valid_bit != (ret[0] & QB_VALID_BIT)) + return NULL; + /* Command completed if the rest is non-zero */ + verb = ret[0] & ~QB_VALID_BIT; + if (!verb) + return NULL; + p->mr.valid_bit ^= QB_VALID_BIT; + } - /* Remove the valid-bit - command completed if the rest is non-zero */ - verb = ret[0] & ~QB_VALID_BIT; - if (!verb) - return NULL; - p->mc.valid_bit ^= QB_VALID_BIT; return ret; } @@ -384,6 +441,18 @@ void qbman_eq_desc_set_qd(struct qbman_eq_desc *d, u32 qdid, #define EQAR_VB(eqar) ((eqar) & 0x80) #define EQAR_SUCCESS(eqar) ((eqar) & 0x100) +static inline void qbman_write_eqcr_am_rt_register(struct qbman_swp *p, + u8 idx) +{ + if (idx < 16) + qbman_write_register(p, QBMAN_CINH_SWP_EQCR_AM_RT + idx * 4, + QMAN_RT_MODE); + else + qbman_write_register(p, QBMAN_CINH_SWP_EQCR_AM_RT2 + + (idx - 16) * 4, + QMAN_RT_MODE); +} + /** * qbman_swp_enqueue() - Issue an enqueue command * @s: the software portal used for enqueue @@ -408,9 +477,15 @@ int qbman_swp_enqueue(struct qbman_swp *s, const struct qbman_eq_desc *d, memcpy(&p->dca, &d->dca, 31); memcpy(&p->fd, fd, sizeof(*fd)); - /* Set the verb byte, have to substitute in the valid-bit */ - dma_wmb(); - p->verb = d->verb | EQAR_VB(eqar); + if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) { + /* Set the verb byte, have to substitute in the valid-bit */ + dma_wmb(); + p->verb = d->verb | EQAR_VB(eqar); + } else { + p->verb = d->verb | EQAR_VB(eqar); + dma_wmb(); + qbman_write_eqcr_am_rt_register(s, EQAR_IDX(eqar)); + } return 0; } @@ -587,17 +662,27 @@ int qbman_swp_pull(struct qbman_swp *s, struct qbman_pull_desc *d) return -EBUSY; } s->vdq.storage = (void *)(uintptr_t)d->rsp_addr_virt; - p = qbman_get_cmd(s, QBMAN_CENA_SWP_VDQCR); + if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) + p = qbman_get_cmd(s, QBMAN_CENA_SWP_VDQCR); + else + p = qbman_get_cmd(s, QBMAN_CENA_SWP_VDQCR_MEM); p->numf = d->numf; p->tok = QMAN_DQ_TOKEN_VALID; p->dq_src = d->dq_src; p->rsp_addr = d->rsp_addr; p->rsp_addr_virt = d->rsp_addr_virt; - dma_wmb(); - /* Set the verb byte, have to substitute in the valid-bit */ - p->verb = d->verb | s->vdq.valid_bit; - s->vdq.valid_bit ^= QB_VALID_BIT; + if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) { + dma_wmb(); + /* Set the verb byte, have to substitute in the valid-bit */ + p->verb = d->verb | s->vdq.valid_bit; + s->vdq.valid_bit ^= QB_VALID_BIT; + } else { + p->verb = d->verb | s->vdq.valid_bit; + s->vdq.valid_bit ^= QB_VALID_BIT; + dma_wmb(); + qbman_write_register(s, QBMAN_CINH_SWP_VDQCR_RT, QMAN_RT_MODE); + } return 0; } @@ -655,7 +740,10 @@ const struct dpaa2_dq *qbman_swp_dqrr_next(struct qbman_swp *s) QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx))); } - p = qbman_get_cmd(s, QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx)); + if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) + p = qbman_get_cmd(s, QBMAN_CENA_SWP_DQRR(s->dqrr.next_idx)); + else + p = qbman_get_cmd(s, QBMAN_CENA_SWP_DQRR_MEM(s->dqrr.next_idx)); verb = p->dq.verb; /* @@ -807,18 +895,28 @@ int qbman_swp_release(struct qbman_swp *s, const struct qbman_release_desc *d, return -EBUSY; /* Start the release command */ - p = qbman_get_cmd(s, QBMAN_CENA_SWP_RCR(RAR_IDX(rar))); + if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) + p = qbman_get_cmd(s, QBMAN_CENA_SWP_RCR(RAR_IDX(rar))); + else + p = qbman_get_cmd(s, QBMAN_CENA_SWP_RCR_MEM(RAR_IDX(rar))); /* Copy the caller's buffer pointers to the command */ for (i = 0; i < num_buffers; i++) p->buf[i] = cpu_to_le64(buffers[i]); p->bpid = d->bpid; - /* - * Set the verb byte, have to substitute in the valid-bit and the number - * of buffers. - */ - dma_wmb(); - p->verb = d->verb | RAR_VB(rar) | num_buffers; + if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000) { + /* + * Set the verb byte, have to substitute in the valid-bit + * and the number of buffers. + */ + dma_wmb(); + p->verb = d->verb | RAR_VB(rar) | num_buffers; + } else { + p->verb = d->verb | RAR_VB(rar) | num_buffers; + dma_wmb(); + qbman_write_register(s, QBMAN_CINH_SWP_RCR_AM_RT + + RAR_IDX(rar) * 4, QMAN_RT_MODE); + } return 0; } diff --git a/drivers/soc/fsl/dpio/qbman-portal.h b/drivers/soc/fsl/dpio/qbman-portal.h index fa35fc1afeaa..f3ec5d2044fb 100644 --- a/drivers/soc/fsl/dpio/qbman-portal.h +++ b/drivers/soc/fsl/dpio/qbman-portal.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ /* * Copyright (C) 2014-2016 Freescale Semiconductor, Inc. - * Copyright 2016 NXP + * Copyright 2016-2019 NXP * */ #ifndef __FSL_QBMAN_PORTAL_H @@ -110,6 +110,11 @@ struct qbman_swp { u32 valid_bit; /* 0x00 or 0x80 */ } mc; + /* Management response */ + struct { + u32 valid_bit; /* 0x00 or 0x80 */ + } mr; + /* Push dequeues */ u32 sdq; @@ -428,7 +433,7 @@ static inline int qbman_swp_CDAN_set_context_enable(struct qbman_swp *s, static inline void *qbman_swp_mc_complete(struct qbman_swp *swp, void *cmd, u8 cmd_verb) { - int loopvar = 1000; + int loopvar = 2000; qbman_swp_mc_submit(swp, cmd, cmd_verb); diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c index 78607da7320e..1ef8068c8dd3 100644 --- a/drivers/soc/fsl/guts.c +++ b/drivers/soc/fsl/guts.c @@ -97,6 +97,11 @@ static const struct fsl_soc_die_attr fsl_soc_die[] = { .svr = 0x87000000, .mask = 0xfff70000, }, + /* Die: LX2160A, SoC: LX2160A/LX2120A/LX2080A */ + { .die = "LX2160A", + .svr = 0x87360000, + .mask = 0xff3f0000, + }, { }, }; @@ -218,6 +223,7 @@ static const struct of_device_id fsl_guts_of_match[] = { { .compatible = "fsl,ls1088a-dcfg", }, { .compatible = "fsl,ls1012a-dcfg", }, { .compatible = "fsl,ls1046a-dcfg", }, + { .compatible = "fsl,lx2160a-dcfg", }, {} }; MODULE_DEVICE_TABLE(of, fsl_guts_of_match); diff --git a/drivers/soc/fsl/qbman/bman_portal.c b/drivers/soc/fsl/qbman/bman_portal.c index 2c95cf59f3e7..cf4f10d6f590 100644 --- a/drivers/soc/fsl/qbman/bman_portal.c +++ b/drivers/soc/fsl/qbman/bman_portal.c @@ -32,6 +32,7 @@ static struct bman_portal *affine_bportals[NR_CPUS]; static struct cpumask portal_cpus; +static int __bman_portals_probed; /* protect bman global registers and global data shared among portals */ static DEFINE_SPINLOCK(bman_lock); @@ -87,6 +88,12 @@ static int bman_online_cpu(unsigned int cpu) return 0; } +int bman_portals_probed(void) +{ + return __bman_portals_probed; +} +EXPORT_SYMBOL_GPL(bman_portals_probed); + static int bman_portal_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -104,8 +111,10 @@ static int bman_portal_probe(struct platform_device *pdev) } pcfg = devm_kmalloc(dev, sizeof(*pcfg), GFP_KERNEL); - if (!pcfg) + if (!pcfg) { + __bman_portals_probed = -1; return -ENOMEM; + } pcfg->dev = dev; @@ -113,14 +122,14 @@ static int bman_portal_probe(struct platform_device *pdev) DPAA_PORTAL_CE); if (!addr_phys[0]) { dev_err(dev, "Can't get %pOF property 'reg::CE'\n", node); - return -ENXIO; + goto err_ioremap1; } addr_phys[1] = platform_get_resource(pdev, IORESOURCE_MEM, DPAA_PORTAL_CI); if (!addr_phys[1]) { dev_err(dev, "Can't get %pOF property 'reg::CI'\n", node); - return -ENXIO; + goto err_ioremap1; } pcfg->cpu = -1; @@ -128,7 +137,7 @@ static int bman_portal_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq <= 0) { dev_err(dev, "Can't get %pOF IRQ'\n", node); - return -ENXIO; + goto err_ioremap1; } pcfg->irq = irq; @@ -150,6 +159,7 @@ static int bman_portal_probe(struct platform_device *pdev) spin_lock(&bman_lock); cpu = cpumask_next_zero(-1, &portal_cpus); if (cpu >= nr_cpu_ids) { + __bman_portals_probed = 1; /* unassigned portal, skip init */ spin_unlock(&bman_lock); return 0; @@ -175,6 +185,8 @@ err_portal_init: err_ioremap2: memunmap(pcfg->addr_virt_ce); err_ioremap1: + __bman_portals_probed = -1; + return -ENXIO; } diff --git a/drivers/soc/fsl/qbman/qman_ccsr.c b/drivers/soc/fsl/qbman/qman_ccsr.c index 109b38de3176..a6bb43007d03 100644 --- a/drivers/soc/fsl/qbman/qman_ccsr.c +++ b/drivers/soc/fsl/qbman/qman_ccsr.c @@ -596,7 +596,7 @@ static int qman_init_ccsr(struct device *dev) } #define LIO_CFG_LIODN_MASK 0x0fff0000 -void qman_liodn_fixup(u16 channel) +void __qman_liodn_fixup(u16 channel) { static int done; static u32 liodn_offset; diff --git a/drivers/soc/fsl/qbman/qman_portal.c b/drivers/soc/fsl/qbman/qman_portal.c index 661c9b234d32..e2186b681d87 100644 --- a/drivers/soc/fsl/qbman/qman_portal.c +++ b/drivers/soc/fsl/qbman/qman_portal.c @@ -38,6 +38,7 @@ EXPORT_SYMBOL(qman_dma_portal); #define CONFIG_FSL_DPA_PIRQ_FAST 1 static struct cpumask portal_cpus; +static int __qman_portals_probed; /* protect qman global registers and global data shared among portals */ static DEFINE_SPINLOCK(qman_lock); @@ -220,6 +221,12 @@ static int qman_online_cpu(unsigned int cpu) return 0; } +int qman_portals_probed(void) +{ + return __qman_portals_probed; +} +EXPORT_SYMBOL_GPL(qman_portals_probed); + static int qman_portal_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -238,8 +245,10 @@ static int qman_portal_probe(struct platform_device *pdev) } pcfg = devm_kmalloc(dev, sizeof(*pcfg), GFP_KERNEL); - if (!pcfg) + if (!pcfg) { + __qman_portals_probed = -1; return -ENOMEM; + } pcfg->dev = dev; @@ -247,19 +256,20 @@ static int qman_portal_probe(struct platform_device *pdev) DPAA_PORTAL_CE); if (!addr_phys[0]) { dev_err(dev, "Can't get %pOF property 'reg::CE'\n", node); - return -ENXIO; + goto err_ioremap1; } addr_phys[1] = platform_get_resource(pdev, IORESOURCE_MEM, DPAA_PORTAL_CI); if (!addr_phys[1]) { dev_err(dev, "Can't get %pOF property 'reg::CI'\n", node); - return -ENXIO; + goto err_ioremap1; } err = of_property_read_u32(node, "cell-index", &val); if (err) { dev_err(dev, "Can't get %pOF property 'cell-index'\n", node); + __qman_portals_probed = -1; return err; } pcfg->channel = val; @@ -267,7 +277,7 @@ static int qman_portal_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq <= 0) { dev_err(dev, "Can't get %pOF IRQ\n", node); - return -ENXIO; + goto err_ioremap1; } pcfg->irq = irq; @@ -291,6 +301,7 @@ static int qman_portal_probe(struct platform_device *pdev) spin_lock(&qman_lock); cpu = cpumask_next_zero(-1, &portal_cpus); if (cpu >= nr_cpu_ids) { + __qman_portals_probed = 1; /* unassigned portal, skip init */ spin_unlock(&qman_lock); return 0; @@ -321,6 +332,8 @@ err_portal_init: err_ioremap2: memunmap(pcfg->addr_virt_ce); err_ioremap1: + __qman_portals_probed = -1; + return -ENXIO; } diff --git a/drivers/soc/fsl/qbman/qman_priv.h b/drivers/soc/fsl/qbman/qman_priv.h index 75a8f905f8f7..04515718cfd9 100644 --- a/drivers/soc/fsl/qbman/qman_priv.h +++ b/drivers/soc/fsl/qbman/qman_priv.h @@ -193,7 +193,14 @@ extern struct gen_pool *qm_cgralloc; /* CGR ID allocator */ u32 qm_get_pools_sdqcr(void); int qman_wq_alloc(void); -void qman_liodn_fixup(u16 channel); +#ifdef CONFIG_FSL_PAMU +#define qman_liodn_fixup __qman_liodn_fixup +#else +static inline void qman_liodn_fixup(u16 channel) +{ +} +#endif +void __qman_liodn_fixup(u16 channel); void qman_set_sdest(u16 channel, unsigned int cpu_idx); struct qman_portal *qman_create_affine_portal( |