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authorKrishna Gudipati <kgudipat@brocade.com>2011-06-13 15:52:40 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-06-29 15:50:50 -0500
commit8b070b4a022f86dd5098308e36426ce29b6b8960 (patch)
tree6e6e2077aa3de449d4e3917392eb0179a635f1ad /drivers/scsi/bfa/bfa_ioc_ct.c
parent775c7742adfd7726f05914198bf33eaa3b9f64bb (diff)
downloadblackbird-op-linux-8b070b4a022f86dd5098308e36426ce29b6b8960.tar.gz
blackbird-op-linux-8b070b4a022f86dd5098308e36426ce29b6b8960.zip
[SCSI] bfa: Brocade-1860 Fabric Adapter 16Gbs support and flash controller fixes.
- Added support for 16Gbps. - Added logic to flush pending mailbox command queue when IOC is disabled. - Fix to Halt the flash controller during fw initialization - since when asic blck is programmed flash controller's continuous access blocks f/w access to flash. - Added new asic based card types and modified IOC get card model routine. - Added PLL init fix to do LPU reset every time we do a memory initialization, since not doing so will cause LPU to be uninitialized during driver load. - Added fix to Halt flash controller before PLL initialization. Signed-off-by: Krishna Gudipati <kgudipat@brocade.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfa_ioc_ct.c')
-rw-r--r--drivers/scsi/bfa/bfa_ioc_ct.c42
1 files changed, 36 insertions, 6 deletions
diff --git a/drivers/scsi/bfa/bfa_ioc_ct.c b/drivers/scsi/bfa/bfa_ioc_ct.c
index 6710a8016601..5b5579401d43 100644
--- a/drivers/scsi/bfa/bfa_ioc_ct.c
+++ b/drivers/scsi/bfa/bfa_ioc_ct.c
@@ -192,11 +192,14 @@ static struct { u32 hfn, lpu; } ct_p1reg[] = {
{ HOSTFN3_LPU1_CMD_STAT, LPU1_HOSTFN3_CMD_STAT }
};
-static struct { uint32_t hfn_mbox, lpu_mbox, hfn_pgn, hfn, lpu; } ct2_reg[] = {
+static struct { uint32_t hfn_mbox, lpu_mbox, hfn_pgn, hfn, lpu, lpu_read; }
+ ct2_reg[] = {
{ CT2_HOSTFN_LPU0_MBOX0, CT2_LPU0_HOSTFN_MBOX0, CT2_HOSTFN_PAGE_NUM,
- CT2_HOSTFN_LPU0_CMD_STAT, CT2_LPU0_HOSTFN_CMD_STAT },
+ CT2_HOSTFN_LPU0_CMD_STAT, CT2_LPU0_HOSTFN_CMD_STAT,
+ CT2_HOSTFN_LPU0_READ_STAT},
{ CT2_HOSTFN_LPU1_MBOX0, CT2_LPU1_HOSTFN_MBOX0, CT2_HOSTFN_PAGE_NUM,
- CT2_HOSTFN_LPU1_CMD_STAT, CT2_LPU1_HOSTFN_CMD_STAT },
+ CT2_HOSTFN_LPU1_CMD_STAT, CT2_LPU1_HOSTFN_CMD_STAT,
+ CT2_HOSTFN_LPU1_READ_STAT},
};
static void
@@ -271,6 +274,7 @@ bfa_ioc_ct2_reg_init(struct bfa_ioc_s *ioc)
ioc->ioc_regs.host_page_num_fn = rb + ct2_reg[port].hfn_pgn;
ioc->ioc_regs.hfn_mbox_cmd = rb + ct2_reg[port].hfn;
ioc->ioc_regs.lpu_mbox_cmd = rb + ct2_reg[port].lpu;
+ ioc->ioc_regs.lpu_read_stat = rb + ct2_reg[port].lpu_read;
if (port == 0) {
ioc->ioc_regs.heartbeat = rb + CT2_BFA_IOC0_HBEAT_REG;
@@ -379,6 +383,20 @@ bfa_ioc_ct_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix)
writel(r32, rb + FNC_PERS_REG);
}
+bfa_boolean_t
+bfa_ioc_ct2_lpu_read_stat(struct bfa_ioc_s *ioc)
+{
+ u32 r32;
+
+ r32 = readl(ioc->ioc_regs.lpu_read_stat);
+ if (r32) {
+ writel(1, ioc->ioc_regs.lpu_read_stat);
+ return BFA_TRUE;
+ }
+
+ return BFA_FALSE;
+}
+
/*
* Cleanup hw semaphore and usecnt registers
*/
@@ -540,6 +558,7 @@ bfa_ioc_set_ct2_hwif(struct bfa_ioc_s *ioc)
hwif_ct2.ioc_pll_init = bfa_ioc_ct2_pll_init;
hwif_ct2.ioc_reg_init = bfa_ioc_ct2_reg_init;
hwif_ct2.ioc_map_port = bfa_ioc_ct2_map_port;
+ hwif_ct2.ioc_lpu_read_stat = bfa_ioc_ct2_lpu_read_stat;
hwif_ct2.ioc_isr_mode_set = NULL;
ioc->ioc_hwif = &hwif_ct2;
}
@@ -791,15 +810,26 @@ bfa_ioc_ct2_mem_init(void __iomem *rb, enum bfi_asic_mode mode)
bfa_status_t
bfa_ioc_ct2_pll_init(void __iomem *rb, enum bfi_asic_mode mode)
{
+ u32 r32;
+
+ /*
+ * Initialize PLL if not already done by NFC
+ */
+ r32 = readl((rb + CT2_WGN_STATUS));
+
+ writel(__HALT_NFC_CONTROLLER, (rb + CT2_NFC_CSR_SET_REG));
+
bfa_ioc_ct2_sclk_init(rb, mode);
bfa_ioc_ct2_lclk_init(rb, mode);
bfa_ioc_ct2_mem_init(rb, mode);
/*
- * Disable flash presence to NFC by clearing GPIO 0
+ * Announce flash device presence, if flash was corrupted.
*/
- writel(0, (rb + PSS_GPIO_OUT_REG));
- writel(1, (rb + PSS_GPIO_OE_REG));
+ if (r32 == (__WGN_READY | __GLBL_PF_VF_CFG_RDY)) {
+ writel(0, (rb + PSS_GPIO_OUT_REG));
+ writel(1, (rb + PSS_GPIO_OE_REG));
+ }
writel(BFI_IOC_UNINIT, (rb + CT2_BFA_IOC0_STATE_REG));
writel(BFI_IOC_UNINIT, (rb + CT2_BFA_IOC1_STATE_REG));
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