diff options
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/octeon_console.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_console.c | 117 |
1 files changed, 116 insertions, 1 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_console.c b/drivers/net/ethernet/cavium/liquidio/octeon_console.c index bbb50ea66f16..01a50f3b0c8e 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_console.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_console.c @@ -25,12 +25,13 @@ */ #include <linux/pci.h> #include <linux/netdevice.h> +#include <linux/crc32.h> #include "liquidio_common.h" #include "octeon_droq.h" #include "octeon_iq.h" #include "response_manager.h" #include "octeon_device.h" -#include "octeon_main.h" +#include "liquidio_image.h" #include "octeon_mem_ops.h" static void octeon_remote_lock(void); @@ -40,6 +41,10 @@ static u64 cvmx_bootmem_phy_named_block_find(struct octeon_device *oct, u32 flags); static int octeon_console_read(struct octeon_device *oct, u32 console_num, char *buffer, u32 buf_size); +static u32 console_bitmask; +module_param(console_bitmask, int, 0644); +MODULE_PARM_DESC(console_bitmask, + "Bitmask indicating which consoles have debug output redirected to syslog."); #define MIN(a, b) min((a), (b)) #define CAST_ULL(v) ((u64)(v)) @@ -177,6 +182,15 @@ struct octeon_pci_console_desc { __cvmx_bootmem_desc_get(oct, addr, \ offsetof(struct cvmx_bootmem_named_block_desc, field), \ SIZEOF_FIELD(struct cvmx_bootmem_named_block_desc, field)) +/** + * \brief determines if a given console has debug enabled. + * @param console console to check + * @returns 1 = enabled. 0 otherwise + */ +static int octeon_console_debug_enabled(u32 console) +{ + return (console_bitmask >> (console)) & 0x1; +} /** * This function is the implementation of the get macros defined @@ -709,3 +723,104 @@ static int octeon_console_read(struct octeon_device *oct, u32 console_num, return bytes_to_read; } + +#define FBUF_SIZE (4 * 1024 * 1024) +u8 fbuf[FBUF_SIZE]; + +int octeon_download_firmware(struct octeon_device *oct, const u8 *data, + size_t size) +{ + int ret = 0; + u8 *p = fbuf; + u32 crc32_result; + u64 load_addr; + u32 image_len; + struct octeon_firmware_file_header *h; + u32 i, rem; + + if (size < sizeof(struct octeon_firmware_file_header)) { + dev_err(&oct->pci_dev->dev, "Firmware file too small (%d < %d).\n", + (u32)size, + (u32)sizeof(struct octeon_firmware_file_header)); + return -EINVAL; + } + + h = (struct octeon_firmware_file_header *)data; + + if (be32_to_cpu(h->magic) != LIO_NIC_MAGIC) { + dev_err(&oct->pci_dev->dev, "Unrecognized firmware file.\n"); + return -EINVAL; + } + + crc32_result = crc32((unsigned int)~0, data, + sizeof(struct octeon_firmware_file_header) - + sizeof(u32)) ^ ~0U; + if (crc32_result != be32_to_cpu(h->crc32)) { + dev_err(&oct->pci_dev->dev, "Firmware CRC mismatch (0x%08x != 0x%08x).\n", + crc32_result, be32_to_cpu(h->crc32)); + return -EINVAL; + } + + if (strncmp(LIQUIDIO_PACKAGE, h->version, strlen(LIQUIDIO_PACKAGE))) { + dev_err(&oct->pci_dev->dev, "Unmatched firmware package type. Expected %s, got %s.\n", + LIQUIDIO_PACKAGE, h->version); + return -EINVAL; + } + + if (memcmp(LIQUIDIO_BASE_VERSION, h->version + strlen(LIQUIDIO_PACKAGE), + strlen(LIQUIDIO_BASE_VERSION))) { + dev_err(&oct->pci_dev->dev, "Unmatched firmware version. Expected %s.x, got %s.\n", + LIQUIDIO_BASE_VERSION, + h->version + strlen(LIQUIDIO_PACKAGE)); + return -EINVAL; + } + + if (be32_to_cpu(h->num_images) > LIO_MAX_IMAGES) { + dev_err(&oct->pci_dev->dev, "Too many images in firmware file (%d).\n", + be32_to_cpu(h->num_images)); + return -EINVAL; + } + + dev_info(&oct->pci_dev->dev, "Firmware version: %s\n", h->version); + snprintf(oct->fw_info.liquidio_firmware_version, 32, "LIQUIDIO: %s", + h->version); + + data += sizeof(struct octeon_firmware_file_header); + + dev_info(&oct->pci_dev->dev, "%s: Loading %d images\n", __func__, + be32_to_cpu(h->num_images)); + /* load all images */ + for (i = 0; i < be32_to_cpu(h->num_images); i++) { + load_addr = be64_to_cpu(h->desc[i].addr); + image_len = be32_to_cpu(h->desc[i].len); + + dev_info(&oct->pci_dev->dev, "Loading firmware %d at %llx\n", + image_len, load_addr); + + /* Write in 4MB chunks*/ + rem = image_len; + + while (rem) { + if (rem < FBUF_SIZE) + size = rem; + else + size = FBUF_SIZE; + + memcpy(p, data, size); + + /* download the image */ + octeon_pci_write_core_mem(oct, load_addr, p, (u32)size); + + data += size; + rem -= (u32)size; + load_addr += size; + } + } + dev_info(&oct->pci_dev->dev, "Writing boot command: %s\n", + h->bootcmd); + + /* Invoke the bootcmd */ + ret = octeon_console_send_cmd(oct, h->bootcmd, 50); + + return 0; +} |