diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_ioc_ct.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_ioc_ct.c | 137 |
1 files changed, 55 insertions, 82 deletions
diff --git a/drivers/scsi/bfa/bfa_ioc_ct.c b/drivers/scsi/bfa/bfa_ioc_ct.c index 68f027da001e..f21b82c5f64c 100644 --- a/drivers/scsi/bfa/bfa_ioc_ct.c +++ b/drivers/scsi/bfa/bfa_ioc_ct.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * @@ -15,22 +15,15 @@ * General Public License for more details. */ -#include <bfa.h> -#include <bfa_ioc.h> -#include <bfa_fwimg_priv.h> -#include <cna/bfa_cna_trcmod.h> -#include <cs/bfa_debug.h> -#include <bfi/bfi_ioc.h> -#include <bfi/bfi_ctreg.h> -#include <log/bfa_log_hal.h> -#include <defs/bfa_defs_pci.h> +#include "bfa_ioc.h" +#include "bfi_ctreg.h" +#include "bfa_defs.h" BFA_TRC_FILE(CNA, IOC_CT); /* * forward declarations */ -static bfa_status_t bfa_ioc_ct_pll_init(struct bfa_ioc_s *ioc); static bfa_boolean_t bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_reg_init(struct bfa_ioc_s *ioc); @@ -78,7 +71,8 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc) /** * If bios boot (flash based) -- do not increment usage count */ - if (bfi_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) < BFA_IOC_FWIMG_MINSZ) + if (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) < + BFA_IOC_FWIMG_MINSZ) return BFA_TRUE; bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); @@ -136,7 +130,8 @@ bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc) /** * If bios boot (flash based) -- do not decrement usage count */ - if (bfi_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) < BFA_IOC_FWIMG_MINSZ) + if (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) < + BFA_IOC_FWIMG_MINSZ) return; /** @@ -308,16 +303,47 @@ bfa_ioc_ct_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix) bfa_reg_write(rb + FNC_PERS_REG, r32); } -static bfa_status_t -bfa_ioc_ct_pll_init(struct bfa_ioc_s *ioc) +/** + * Cleanup hw semaphore and usecnt registers + */ +static void +bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc) { - bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; - u32 pll_sclk, pll_fclk, r32; + + if (ioc->cna) { + bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); + bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, 0); + bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); + } /* - * Hold semaphore so that nobody can access the chip during init. + * Read the hw sem reg to make sure that it is locked + * before we clear it. If it is not locked, writing 1 + * will lock it instead of clearing it. */ - bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); + bfa_reg_read(ioc->ioc_regs.ioc_sem_reg); + bfa_ioc_hw_sem_release(ioc); +} + + + +/* + * Check the firmware state to know if pll_init has been completed already + */ +bfa_boolean_t +bfa_ioc_ct_pll_init_complete(bfa_os_addr_t rb) +{ + if ((bfa_reg_read(rb + BFA_IOC0_STATE_REG) == BFI_IOC_OP) || + (bfa_reg_read(rb + BFA_IOC1_STATE_REG) == BFI_IOC_OP)) + return BFA_TRUE; + + return BFA_FALSE; +} + +bfa_status_t +bfa_ioc_ct_pll_init(bfa_os_addr_t rb, bfa_boolean_t fcmode) +{ + u32 pll_sclk, pll_fclk, r32; pll_sclk = __APP_PLL_312_LRESETN | __APP_PLL_312_ENARST | __APP_PLL_312_RSEL200500 | __APP_PLL_312_P0_1(3U) | @@ -327,70 +353,50 @@ bfa_ioc_ct_pll_init(struct bfa_ioc_s *ioc) __APP_PLL_425_RSEL200500 | __APP_PLL_425_P0_1(3U) | __APP_PLL_425_JITLMT0_1(3U) | __APP_PLL_425_CNTLMT0_1(1U); - - /** - * For catapult, choose operational mode FC/FCoE - */ - if (ioc->fcmode) { + if (fcmode) { bfa_reg_write((rb + OP_MODE), 0); bfa_reg_write((rb + ETH_MAC_SER_REG), __APP_EMS_CMLCKSEL | __APP_EMS_REFCKBUFEN2 | __APP_EMS_CHANNEL_SEL); } else { - ioc->pllinit = BFA_TRUE; bfa_reg_write((rb + OP_MODE), __GLOBAL_FCOE_MODE); bfa_reg_write((rb + ETH_MAC_SER_REG), - __APP_EMS_REFCKBUFEN1); + __APP_EMS_REFCKBUFEN1); } - bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_UNINIT); bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_UNINIT); - bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU); bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU); bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU); bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU); bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU); bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU); - - bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk | + bfa_reg_write(rb + APP_PLL_312_CTL_REG, pll_sclk | __APP_PLL_312_LOGIC_SOFT_RESET); - bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk | + bfa_reg_write(rb + APP_PLL_425_CTL_REG, pll_fclk | __APP_PLL_425_LOGIC_SOFT_RESET); - bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk | + bfa_reg_write(rb + APP_PLL_312_CTL_REG, pll_sclk | __APP_PLL_312_LOGIC_SOFT_RESET | __APP_PLL_312_ENABLE); - bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk | + bfa_reg_write(rb + APP_PLL_425_CTL_REG, pll_fclk | __APP_PLL_425_LOGIC_SOFT_RESET | __APP_PLL_425_ENABLE); - - /** - * Wait for PLLs to lock. - */ bfa_reg_read(rb + HOSTFN0_INT_MSK); bfa_os_udelay(2000); bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU); bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU); - - bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk | + bfa_reg_write(rb + APP_PLL_312_CTL_REG, pll_sclk | __APP_PLL_312_ENABLE); - bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk | + bfa_reg_write(rb + APP_PLL_425_CTL_REG, pll_fclk | __APP_PLL_425_ENABLE); - - /** - * PSS memory reset is asserted at power-on-reset. Need to clear - * this before running EDRAM BISTR - */ - if (ioc->cna) { + if (!fcmode) { bfa_reg_write((rb + PMM_1T_RESET_REG_P0), __PMM_1T_RESET_P); bfa_reg_write((rb + PMM_1T_RESET_REG_P1), __PMM_1T_RESET_P); } - r32 = bfa_reg_read((rb + PSS_CTL_REG)); r32 &= ~__PSS_LMEM_RESET; bfa_reg_write((rb + PSS_CTL_REG), r32); bfa_os_udelay(1000); - - if (ioc->cna) { + if (!fcmode) { bfa_reg_write((rb + PMM_1T_RESET_REG_P0), 0); bfa_reg_write((rb + PMM_1T_RESET_REG_P1), 0); } @@ -398,39 +404,6 @@ bfa_ioc_ct_pll_init(struct bfa_ioc_s *ioc) bfa_reg_write((rb + MBIST_CTL_REG), __EDRAM_BISTR_START); bfa_os_udelay(1000); r32 = bfa_reg_read((rb + MBIST_STAT_REG)); - bfa_trc(ioc, r32); - - /** - * Clear BISTR - */ bfa_reg_write((rb + MBIST_CTL_REG), 0); - - /* - * release semaphore. - */ - bfa_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg); - return BFA_STATUS_OK; } - -/** - * Cleanup hw semaphore and usecnt registers - */ -static void -bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc) -{ - - if (ioc->cna) { - bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); - bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, 0); - bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); - } - - /* - * Read the hw sem reg to make sure that it is locked - * before we clear it. If it is not locked, writing 1 - * will lock it instead of clearing it. - */ - bfa_reg_read(ioc->ioc_regs.ioc_sem_reg); - bfa_ioc_hw_sem_release(ioc); -} |