From d4066833bb1b35fefb1dd45eb2b10659d46bf151 Mon Sep 17 00:00:00 2001 From: Sony Chacko Date: Thu, 19 Aug 2010 05:08:31 +0000 Subject: [PATCH] qlcnic: firmware initialization update Cleanup legacy code which is not valid for Qlogic CNA adapters. Signed-off-by: Sony Chacko Signed-off-by: Amit Kumar Salecha Signed-off-by: David S. Miller --- drivers/net/qlcnic/qlcnic.h | 4 +- drivers/net/qlcnic/qlcnic_hdr.h | 3 +- drivers/net/qlcnic/qlcnic_init.c | 133 ++++++++----------------------- drivers/net/qlcnic/qlcnic_main.c | 38 +++------ 4 files changed, 47 insertions(+), 131 deletions(-) diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h index b58c4119f279..43cb925fd77b 100644 --- a/drivers/net/qlcnic/qlcnic.h +++ b/drivers/net/qlcnic/qlcnic.h @@ -54,6 +54,8 @@ #define _QLCNIC_LINUX_SUBVERSION 7 #define QLCNIC_LINUX_VERSIONID "5.0.7" #define QLCNIC_DRV_IDC_VER 0x01 +#define QLCNIC_DRIVER_VERSION ((_QLCNIC_LINUX_MAJOR << 16) |\ + (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION)) #define QLCNIC_VERSION_CODE(a, b, c) (((a) << 24) + ((b) << 16) + (c)) #define _major(v) (((v) >> 24) & 0xff) @@ -1233,7 +1235,7 @@ void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter); void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter); void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter); -int qlcnic_init_firmware(struct qlcnic_adapter *adapter); +int qlcnic_check_fw_status(struct qlcnic_adapter *adapter); void qlcnic_watchdog_task(struct work_struct *work); void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, u32 ringid, struct qlcnic_host_rds_ring *rds_ring); diff --git a/drivers/net/qlcnic/qlcnic_hdr.h b/drivers/net/qlcnic/qlcnic_hdr.h index eae03b5b0323..794f6572e8fd 100644 --- a/drivers/net/qlcnic/qlcnic_hdr.h +++ b/drivers/net/qlcnic/qlcnic_hdr.h @@ -747,7 +747,8 @@ enum { #define QLCNIC_RESET_TIMEOUT_SECS 10 #define QLCNIC_INIT_TIMEOUT_SECS 30 - +#define QLCNIC_HEARTBEAT_PERIOD_MSECS 200 +#define QLCNIC_HEARTBEAT_RETRY_COUNT 30 #define ISR_MSI_INT_TRIGGER(FUNC) (QLCNIC_PCIX_PS_REG(PCIX_MSI_F(FUNC))) #define ISR_LEGACY_INT_TRIGGERED(VAL) (((VAL) & 0x300) == 0x200) diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c index 90766757c314..e7a399f90326 100644 --- a/drivers/net/qlcnic/qlcnic_init.c +++ b/drivers/net/qlcnic/qlcnic_init.c @@ -435,11 +435,14 @@ int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) u32 off; struct pci_dev *pdev = adapter->pdev; - /* resetall */ + QLCWR32(adapter, CRB_CMDPEG_STATE, 0); + QLCWR32(adapter, CRB_RCVPEG_STATE, 0); + qlcnic_rom_lock(adapter); QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff); qlcnic_rom_unlock(adapter); + /* Init HW CRB block */ if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) || qlcnic_rom_fast_read(adapter, 4, &n) != 0) { dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n); @@ -520,13 +523,10 @@ int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) } kfree(buf); - /* p2dn replyCount */ + /* Initialize protocol process engine */ QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e); - /* disable_peg_cache 0 & 1*/ QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8); - - /* peg_clr_all */ QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0); @@ -535,9 +535,35 @@ int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0); QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0); + QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0); + msleep(1); + QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0); + QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0); return 0; } +int +qlcnic_check_fw_status(struct qlcnic_adapter *adapter) +{ + u32 heartbit, ret = -EIO; + int retries = QLCNIC_HEARTBEAT_RETRY_COUNT; + + adapter->heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); + do { + msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS); + heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); + if (heartbit != adapter->heartbit) { + /* Complete firmware handshake */ + QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK); + ret = QLCNIC_RCODE_SUCCESS; + break; + } + } while (--retries); + + return ret; +} + int qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) { @@ -905,35 +931,12 @@ qlcnic_get_bios_version(struct qlcnic_adapter *adapter) int qlcnic_need_fw_reset(struct qlcnic_adapter *adapter) { - u32 count, old_count; u32 val, version, major, minor, build; - int i, timeout; if (adapter->need_fw_reset) return 1; - /* last attempt had failed */ - if (QLCRD32(adapter, CRB_CMDPEG_STATE) == PHAN_INITIALIZE_FAILED) - return 1; - - old_count = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); - - for (i = 0; i < 10; i++) { - - timeout = msleep_interruptible(200); - if (timeout) { - QLCWR32(adapter, CRB_CMDPEG_STATE, - PHAN_INITIALIZE_FAILED); - return -EINTR; - } - - count = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); - if (count != old_count) - break; - } - - /* firmware is dead */ - if (count == old_count) + if (qlcnic_check_fw_status(adapter)) return 1; /* check if we have got newer or different file firmware */ @@ -1158,78 +1161,6 @@ qlcnic_release_firmware(struct qlcnic_adapter *adapter) adapter->fw = NULL; } -static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter) -{ - u32 val; - int retries = 60; - - do { - val = QLCRD32(adapter, CRB_CMDPEG_STATE); - - switch (val) { - case PHAN_INITIALIZE_COMPLETE: - case PHAN_INITIALIZE_ACK: - return 0; - case PHAN_INITIALIZE_FAILED: - goto out_err; - default: - break; - } - - msleep(500); - - } while (--retries); - - QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); - -out_err: - dev_err(&adapter->pdev->dev, "Command Peg initialization not " - "complete, state: 0x%x.\n", val); - return -EIO; -} - -static int -qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter) -{ - u32 val; - int retries = 2000; - - do { - val = QLCRD32(adapter, CRB_RCVPEG_STATE); - - if (val == PHAN_PEG_RCV_INITIALIZED) - return 0; - - msleep(10); - - } while (--retries); - - if (!retries) { - dev_err(&adapter->pdev->dev, "Receive Peg initialization not " - "complete, state: 0x%x.\n", val); - return -EIO; - } - - return 0; -} - -int qlcnic_init_firmware(struct qlcnic_adapter *adapter) -{ - int err; - - err = qlcnic_cmd_peg_ready(adapter); - if (err) - return err; - - err = qlcnic_receive_peg_ready(adapter); - if (err) - return err; - - QLCWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK); - - return err; -} - static void qlcnic_handle_linkevent(struct qlcnic_adapter *adapter, struct qlcnic_fw_msg *msg) diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index 6e246c819204..fa87a9633939 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -940,18 +940,13 @@ static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) static int qlcnic_start_firmware(struct qlcnic_adapter *adapter) { - int val, err, first_boot; + int err; err = qlcnic_can_start_firmware(adapter); if (err < 0) return err; else if (!err) - goto wait_init; - - first_boot = QLCRD32(adapter, QLCNIC_CAM_RAM(0x1fc)); - if (first_boot == 0x55555555) - /* This is the first boot after power up */ - QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC); + goto check_fw_status; if (load_fw_file) qlcnic_request_firmware(adapter); @@ -963,21 +958,12 @@ qlcnic_start_firmware(struct qlcnic_adapter *adapter) } err = qlcnic_need_fw_reset(adapter); - if (err < 0) - goto err_out; if (err == 0) - goto wait_init; - - if (first_boot != 0x55555555) { - QLCWR32(adapter, CRB_CMDPEG_STATE, 0); - QLCWR32(adapter, CRB_RCVPEG_STATE, 0); - qlcnic_pinit_from_rom(adapter); - msleep(1); - } - - QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0); - QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0); + goto set_dev_ready; + err = qlcnic_pinit_from_rom(adapter); + if (err) + goto err_out; qlcnic_set_port_mode(adapter); err = qlcnic_load_firmware(adapter); @@ -985,18 +971,14 @@ qlcnic_start_firmware(struct qlcnic_adapter *adapter) goto err_out; qlcnic_release_firmware(adapter); + QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); - val = (_QLCNIC_LINUX_MAJOR << 16) - | ((_QLCNIC_LINUX_MINOR << 8)) - | (_QLCNIC_LINUX_SUBVERSION); - QLCWR32(adapter, CRB_DRIVER_VERSION, val); - -wait_init: - /* Handshake with the card before we register the devices. */ - err = qlcnic_init_firmware(adapter); +check_fw_status: + err = qlcnic_check_fw_status(adapter); if (err) goto err_out; +set_dev_ready: QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); qlcnic_idc_debug_info(adapter, 1); err = qlcnic_check_npar_opertional(adapter); -- 2.30.2