diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_ioc_ct.c')
-rw-r--r-- | drivers/scsi/bfa/bfa_ioc_ct.c | 297 |
1 files changed, 139 insertions, 158 deletions
diff --git a/drivers/scsi/bfa/bfa_ioc_ct.c b/drivers/scsi/bfa/bfa_ioc_ct.c index 20b58ad5f95c..115730c0aa77 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 * @@ -15,68 +15,44 @@ * 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 u32* bfa_ioc_ct_fwimg_get_chunk(struct bfa_ioc_s *ioc, - u32 off); -static u32 bfa_ioc_ct_fwimg_get_size(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_reg_init(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_map_port(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix); static void bfa_ioc_ct_notify_hbfail(struct bfa_ioc_s *ioc); static void bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc); -struct bfa_ioc_hwif_s hwif_ct = { - bfa_ioc_ct_pll_init, - bfa_ioc_ct_firmware_lock, - bfa_ioc_ct_firmware_unlock, - bfa_ioc_ct_fwimg_get_chunk, - bfa_ioc_ct_fwimg_get_size, - bfa_ioc_ct_reg_init, - bfa_ioc_ct_map_port, - bfa_ioc_ct_isr_mode_set, - bfa_ioc_ct_notify_hbfail, - bfa_ioc_ct_ownership_reset, -}; +struct bfa_ioc_hwif_s hwif_ct; -/** +/* * Called from bfa_ioc_attach() to map asic specific calls. */ void bfa_ioc_set_ct_hwif(struct bfa_ioc_s *ioc) { - ioc->ioc_hwif = &hwif_ct; -} + hwif_ct.ioc_pll_init = bfa_ioc_ct_pll_init; + hwif_ct.ioc_firmware_lock = bfa_ioc_ct_firmware_lock; + hwif_ct.ioc_firmware_unlock = bfa_ioc_ct_firmware_unlock; + hwif_ct.ioc_reg_init = bfa_ioc_ct_reg_init; + hwif_ct.ioc_map_port = bfa_ioc_ct_map_port; + hwif_ct.ioc_isr_mode_set = bfa_ioc_ct_isr_mode_set; + hwif_ct.ioc_notify_hbfail = bfa_ioc_ct_notify_hbfail; + hwif_ct.ioc_ownership_reset = bfa_ioc_ct_ownership_reset; -static u32* -bfa_ioc_ct_fwimg_get_chunk(struct bfa_ioc_s *ioc, u32 off) -{ - return bfi_image_ct_get_chunk(off); -} - -static u32 -bfa_ioc_ct_fwimg_get_size(struct bfa_ioc_s *ioc) -{ - return bfi_image_ct_size; + ioc->ioc_hwif = &hwif_ct; } -/** +/* * Return true if firmware of current driver matches the running firmware. */ static bfa_boolean_t @@ -86,40 +62,41 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc) u32 usecnt; struct bfi_ioc_image_hdr_s fwhdr; - /** + /* * Firmware match check is relevant only for CNA. */ if (!ioc->cna) return BFA_TRUE; - /** + /* * If bios boot (flash based) -- do not increment usage count */ - if (bfa_ioc_ct_fwimg_get_size(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); - usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg); + usecnt = readl(ioc->ioc_regs.ioc_usage_reg); - /** + /* * If usage count is 0, always return TRUE. */ if (usecnt == 0) { - bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, 1); + writel(1, ioc->ioc_regs.ioc_usage_reg); bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); bfa_trc(ioc, usecnt); return BFA_TRUE; } - ioc_fwstate = bfa_reg_read(ioc->ioc_regs.ioc_fwstate); + ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate); bfa_trc(ioc, ioc_fwstate); - /** + /* * Use count cannot be non-zero and chip in uninitialized state. */ bfa_assert(ioc_fwstate != BFI_IOC_UNINIT); - /** + /* * Check if another driver with a different firmware is active */ bfa_ioc_fwver_get(ioc, &fwhdr); @@ -129,11 +106,11 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc) return BFA_FALSE; } - /** + /* * Same firmware version. Increment the reference count. */ usecnt++; - bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt); + writel(usecnt, ioc->ioc_regs.ioc_usage_reg); bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); bfa_trc(ioc, usecnt); return BFA_TRUE; @@ -144,44 +121,50 @@ bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc) { u32 usecnt; - /** + /* * Firmware lock is relevant only for CNA. + */ + if (!ioc->cna) + return; + + /* * If bios boot (flash based) -- do not decrement usage count */ - if (!ioc->cna || bfa_ioc_ct_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ) + if (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) < + BFA_IOC_FWIMG_MINSZ) return; - /** + /* * decrement usage count */ bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg); - usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg); + usecnt = readl(ioc->ioc_regs.ioc_usage_reg); bfa_assert(usecnt > 0); usecnt--; - bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt); + writel(usecnt, ioc->ioc_regs.ioc_usage_reg); bfa_trc(ioc, usecnt); bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); } -/** +/* * Notify other functions on HB failure. */ static void bfa_ioc_ct_notify_hbfail(struct bfa_ioc_s *ioc) { if (ioc->cna) { - bfa_reg_write(ioc->ioc_regs.ll_halt, __FW_INIT_HALT_P); + writel(__FW_INIT_HALT_P, ioc->ioc_regs.ll_halt); /* Wait for halt to take effect */ - bfa_reg_read(ioc->ioc_regs.ll_halt); + readl(ioc->ioc_regs.ll_halt); } else { - bfa_reg_write(ioc->ioc_regs.err_set, __PSS_ERR_STATUS_SET); - bfa_reg_read(ioc->ioc_regs.err_set); + writel(__PSS_ERR_STATUS_SET, ioc->ioc_regs.err_set); + readl(ioc->ioc_regs.err_set); } } -/** +/* * Host to LPU mailbox message addresses */ static struct { u32 hfn_mbox, lpu_mbox, hfn_pgn; } iocreg_fnreg[] = { @@ -191,7 +174,7 @@ static struct { u32 hfn_mbox, lpu_mbox, hfn_pgn; } iocreg_fnreg[] = { { HOSTFN3_LPU_MBOX0_8, LPU_HOSTFN3_MBOX0_8, HOST_PAGE_NUM_FN3 } }; -/** +/* * Host <-> LPU mailbox command/status registers - port 0 */ static struct { u32 hfn, lpu; } iocreg_mbcmd_p0[] = { @@ -201,7 +184,7 @@ static struct { u32 hfn, lpu; } iocreg_mbcmd_p0[] = { { HOSTFN3_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN3_MBOX0_CMD_STAT } }; -/** +/* * Host <-> LPU mailbox command/status registers - port 1 */ static struct { u32 hfn, lpu; } iocreg_mbcmd_p1[] = { @@ -214,7 +197,7 @@ static struct { u32 hfn, lpu; } iocreg_mbcmd_p1[] = { static void bfa_ioc_ct_reg_init(struct bfa_ioc_s *ioc) { - bfa_os_addr_t rb; + void __iomem *rb; int pcifn = bfa_ioc_pcifn(ioc); rb = bfa_ioc_bar0(ioc); @@ -253,7 +236,7 @@ bfa_ioc_ct_reg_init(struct bfa_ioc_s *ioc) ioc->ioc_regs.ioc_init_sem_reg = (rb + HOST_SEM2_REG); ioc->ioc_regs.ioc_usage_reg = (rb + BFA_FW_USE_COUNT); - /** + /* * sram memory access */ ioc->ioc_regs.smem_page_start = (rb + PSS_SMEM_PAGE_START); @@ -265,7 +248,7 @@ bfa_ioc_ct_reg_init(struct bfa_ioc_s *ioc) ioc->ioc_regs.err_set = (rb + ERR_SET_REG); } -/** +/* * Initialize IOC to port mapping. */ @@ -273,13 +256,13 @@ bfa_ioc_ct_reg_init(struct bfa_ioc_s *ioc) static void bfa_ioc_ct_map_port(struct bfa_ioc_s *ioc) { - bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; + void __iomem *rb = ioc->pcidev.pci_bar_kva; u32 r32; - /** + /* * For catapult, base port id on personality register and IOC type */ - r32 = bfa_reg_read(rb + FNC_PERS_REG); + r32 = readl(rb + FNC_PERS_REG); r32 >>= FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)); ioc->port_id = (r32 & __F0_PORT_MAP_MK) >> __F0_PORT_MAP_SH; @@ -287,22 +270,22 @@ bfa_ioc_ct_map_port(struct bfa_ioc_s *ioc) bfa_trc(ioc, ioc->port_id); } -/** +/* * Set interrupt mode for a function: INTX or MSIX */ static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix) { - bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; + void __iomem *rb = ioc->pcidev.pci_bar_kva; u32 r32, mode; - r32 = bfa_reg_read(rb + FNC_PERS_REG); + r32 = readl(rb + FNC_PERS_REG); bfa_trc(ioc, r32); mode = (r32 >> FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))) & __F0_INTX_STATUS; - /** + /* * If already in desired mode, do not change anything */ if (!msix && mode) @@ -317,90 +300,10 @@ bfa_ioc_ct_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix) r32 |= (mode << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))); bfa_trc(ioc, r32); - bfa_reg_write(rb + FNC_PERS_REG, r32); -} - -static bfa_status_t -bfa_ioc_ct_pll_init(struct bfa_ioc_s *ioc) -{ - bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; - u32 pll_sclk, pll_fclk, r32; - - /* - * Hold semaphore so that nobody can access the chip during init. - */ - bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); - - pll_sclk = __APP_PLL_312_LRESETN | __APP_PLL_312_ENARST | - __APP_PLL_312_RSEL200500 | __APP_PLL_312_P0_1(3U) | - __APP_PLL_312_JITLMT0_1(3U) | - __APP_PLL_312_CNTLMT0_1(1U); - pll_fclk = __APP_PLL_425_LRESETN | __APP_PLL_425_ENARST | - __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) { - 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); - } - - 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 | - __APP_PLL_312_LOGIC_SOFT_RESET); - bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk | - __APP_PLL_425_LOGIC_SOFT_RESET); - bfa_reg_write(ioc->ioc_regs.app_pll_slow_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 | - __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 | - __APP_PLL_312_ENABLE); - bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk | - __APP_PLL_425_ENABLE); - - 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); - /* - * release semaphore. - */ - bfa_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg); - - return BFA_STATUS_OK; + writel(r32, rb + FNC_PERS_REG); } -/** +/* * Cleanup hw semaphore and usecnt registers */ static void @@ -409,7 +312,7 @@ 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); + writel(0, ioc->ioc_regs.ioc_usage_reg); bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); } @@ -418,6 +321,84 @@ bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc) * 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); + readl(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(void __iomem *rb) +{ + if ((readl(rb + BFA_IOC0_STATE_REG) == BFI_IOC_OP) || + (readl(rb + BFA_IOC1_STATE_REG) == BFI_IOC_OP)) + return BFA_TRUE; + + return BFA_FALSE; +} + +bfa_status_t +bfa_ioc_ct_pll_init(void __iomem *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) | + __APP_PLL_312_JITLMT0_1(3U) | + __APP_PLL_312_CNTLMT0_1(1U); + pll_fclk = __APP_PLL_425_LRESETN | __APP_PLL_425_ENARST | + __APP_PLL_425_RSEL200500 | __APP_PLL_425_P0_1(3U) | + __APP_PLL_425_JITLMT0_1(3U) | + __APP_PLL_425_CNTLMT0_1(1U); + if (fcmode) { + writel(0, (rb + OP_MODE)); + writel(__APP_EMS_CMLCKSEL | __APP_EMS_REFCKBUFEN2 | + __APP_EMS_CHANNEL_SEL, (rb + ETH_MAC_SER_REG)); + } else { + writel(__GLOBAL_FCOE_MODE, (rb + OP_MODE)); + writel(__APP_EMS_REFCKBUFEN1, (rb + ETH_MAC_SER_REG)); + } + writel(BFI_IOC_UNINIT, (rb + BFA_IOC0_STATE_REG)); + writel(BFI_IOC_UNINIT, (rb + BFA_IOC1_STATE_REG)); + writel(0xffffffffU, (rb + HOSTFN0_INT_MSK)); + writel(0xffffffffU, (rb + HOSTFN1_INT_MSK)); + writel(0xffffffffU, (rb + HOSTFN0_INT_STATUS)); + writel(0xffffffffU, (rb + HOSTFN1_INT_STATUS)); + writel(0xffffffffU, (rb + HOSTFN0_INT_MSK)); + writel(0xffffffffU, (rb + HOSTFN1_INT_MSK)); + writel(pll_sclk | __APP_PLL_312_LOGIC_SOFT_RESET, + rb + APP_PLL_312_CTL_REG); + writel(pll_fclk | __APP_PLL_425_LOGIC_SOFT_RESET, + rb + APP_PLL_425_CTL_REG); + writel(pll_sclk | __APP_PLL_312_LOGIC_SOFT_RESET | __APP_PLL_312_ENABLE, + rb + APP_PLL_312_CTL_REG); + writel(pll_fclk | __APP_PLL_425_LOGIC_SOFT_RESET | __APP_PLL_425_ENABLE, + rb + APP_PLL_425_CTL_REG); + readl(rb + HOSTFN0_INT_MSK); + udelay(2000); + writel(0xffffffffU, (rb + HOSTFN0_INT_STATUS)); + writel(0xffffffffU, (rb + HOSTFN1_INT_STATUS)); + writel(pll_sclk | __APP_PLL_312_ENABLE, rb + APP_PLL_312_CTL_REG); + writel(pll_fclk | __APP_PLL_425_ENABLE, rb + APP_PLL_425_CTL_REG); + if (!fcmode) { + writel(__PMM_1T_RESET_P, (rb + PMM_1T_RESET_REG_P0)); + writel(__PMM_1T_RESET_P, (rb + PMM_1T_RESET_REG_P1)); + } + r32 = readl((rb + PSS_CTL_REG)); + r32 &= ~__PSS_LMEM_RESET; + writel(r32, (rb + PSS_CTL_REG)); + udelay(1000); + if (!fcmode) { + writel(0, (rb + PMM_1T_RESET_REG_P0)); + writel(0, (rb + PMM_1T_RESET_REG_P1)); + } + + writel(__EDRAM_BISTR_START, (rb + MBIST_CTL_REG)); + udelay(1000); + r32 = readl((rb + MBIST_STAT_REG)); + writel(0, (rb + MBIST_CTL_REG)); + return BFA_STATUS_OK; +} |