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path: root/drivers/scsi/pm8001/pm8001_hwi.c
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Diffstat (limited to 'drivers/scsi/pm8001/pm8001_hwi.c')
-rw-r--r--drivers/scsi/pm8001/pm8001_hwi.c4458
1 files changed, 4458 insertions, 0 deletions
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
new file mode 100644
index 00000000000..a3de306b904
--- /dev/null
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -0,0 +1,4458 @@
+/*
+ * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
+ *
+ * Copyright (c) 2008-2009 USI Co., Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ */
+ #include "pm8001_sas.h"
+ #include "pm8001_hwi.h"
+ #include "pm8001_chips.h"
+ #include "pm8001_ctl.h"
+
+/**
+ * read_main_config_table - read the configure table and save it.
+ * @pm8001_ha: our hba card information
+ */
+static void __devinit read_main_config_table(struct pm8001_hba_info *pm8001_ha)
+{
+ void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
+ pm8001_ha->main_cfg_tbl.signature = pm8001_mr32(address, 0x00);
+ pm8001_ha->main_cfg_tbl.interface_rev = pm8001_mr32(address, 0x04);
+ pm8001_ha->main_cfg_tbl.firmware_rev = pm8001_mr32(address, 0x08);
+ pm8001_ha->main_cfg_tbl.max_out_io = pm8001_mr32(address, 0x0C);
+ pm8001_ha->main_cfg_tbl.max_sgl = pm8001_mr32(address, 0x10);
+ pm8001_ha->main_cfg_tbl.ctrl_cap_flag = pm8001_mr32(address, 0x14);
+ pm8001_ha->main_cfg_tbl.gst_offset = pm8001_mr32(address, 0x18);
+ pm8001_ha->main_cfg_tbl.inbound_queue_offset =
+ pm8001_mr32(address, MAIN_IBQ_OFFSET);
+ pm8001_ha->main_cfg_tbl.outbound_queue_offset =
+ pm8001_mr32(address, MAIN_OBQ_OFFSET);
+ pm8001_ha->main_cfg_tbl.hda_mode_flag =
+ pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
+
+ /* read analog Setting offset from the configuration table */
+ pm8001_ha->main_cfg_tbl.anolog_setup_table_offset =
+ pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
+
+ /* read Error Dump Offset and Length */
+ pm8001_ha->main_cfg_tbl.fatal_err_dump_offset0 =
+ pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
+ pm8001_ha->main_cfg_tbl.fatal_err_dump_length0 =
+ pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
+ pm8001_ha->main_cfg_tbl.fatal_err_dump_offset1 =
+ pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
+ pm8001_ha->main_cfg_tbl.fatal_err_dump_length1 =
+ pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
+}
+
+/**
+ * read_general_status_table - read the general status table and save it.
+ * @pm8001_ha: our hba card information
+ */
+static void __devinit
+read_general_status_table(struct pm8001_hba_info *pm8001_ha)
+{
+ void __iomem *address = pm8001_ha->general_stat_tbl_addr;
+ pm8001_ha->gs_tbl.gst_len_mpistate = pm8001_mr32(address, 0x00);
+ pm8001_ha->gs_tbl.iq_freeze_state0 = pm8001_mr32(address, 0x04);
+ pm8001_ha->gs_tbl.iq_freeze_state1 = pm8001_mr32(address, 0x08);
+ pm8001_ha->gs_tbl.msgu_tcnt = pm8001_mr32(address, 0x0C);
+ pm8001_ha->gs_tbl.iop_tcnt = pm8001_mr32(address, 0x10);
+ pm8001_ha->gs_tbl.reserved = pm8001_mr32(address, 0x14);
+ pm8001_ha->gs_tbl.phy_state[0] = pm8001_mr32(address, 0x18);
+ pm8001_ha->gs_tbl.phy_state[1] = pm8001_mr32(address, 0x1C);
+ pm8001_ha->gs_tbl.phy_state[2] = pm8001_mr32(address, 0x20);
+ pm8001_ha->gs_tbl.phy_state[3] = pm8001_mr32(address, 0x24);
+ pm8001_ha->gs_tbl.phy_state[4] = pm8001_mr32(address, 0x28);
+ pm8001_ha->gs_tbl.phy_state[5] = pm8001_mr32(address, 0x2C);
+ pm8001_ha->gs_tbl.phy_state[6] = pm8001_mr32(address, 0x30);
+ pm8001_ha->gs_tbl.phy_state[7] = pm8001_mr32(address, 0x34);
+ pm8001_ha->gs_tbl.reserved1 = pm8001_mr32(address, 0x38);
+ pm8001_ha->gs_tbl.reserved2 = pm8001_mr32(address, 0x3C);
+ pm8001_ha->gs_tbl.reserved3 = pm8001_mr32(address, 0x40);
+ pm8001_ha->gs_tbl.recover_err_info[0] = pm8001_mr32(address, 0x44);
+ pm8001_ha->gs_tbl.recover_err_info[1] = pm8001_mr32(address, 0x48);
+ pm8001_ha->gs_tbl.recover_err_info[2] = pm8001_mr32(address, 0x4C);
+ pm8001_ha->gs_tbl.recover_err_info[3] = pm8001_mr32(address, 0x50);
+ pm8001_ha->gs_tbl.recover_err_info[4] = pm8001_mr32(address, 0x54);
+ pm8001_ha->gs_tbl.recover_err_info[5] = pm8001_mr32(address, 0x58);
+ pm8001_ha->gs_tbl.recover_err_info[6] = pm8001_mr32(address, 0x5C);
+ pm8001_ha->gs_tbl.recover_err_info[7] = pm8001_mr32(address, 0x60);
+}
+
+/**
+ * read_inbnd_queue_table - read the inbound queue table and save it.
+ * @pm8001_ha: our hba card information
+ */
+static void __devinit
+read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
+{
+ int inbQ_num = 1;
+ int i;
+ void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
+ for (i = 0; i < inbQ_num; i++) {
+ u32 offset = i * 0x20;
+ pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
+ get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
+ pm8001_ha->inbnd_q_tbl[i].pi_offset =
+ pm8001_mr32(address, (offset + 0x18));
+ }
+}
+
+/**
+ * read_outbnd_queue_table - read the outbound queue table and save it.
+ * @pm8001_ha: our hba card information
+ */
+static void __devinit
+read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
+{
+ int outbQ_num = 1;
+ int i;
+ void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
+ for (i = 0; i < outbQ_num; i++) {
+ u32 offset = i * 0x24;
+ pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
+ get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
+ pm8001_ha->outbnd_q_tbl[i].ci_offset =
+ pm8001_mr32(address, (offset + 0x18));
+ }
+}
+
+/**
+ * init_default_table_values - init the default table.
+ * @pm8001_ha: our hba card information
+ */
+static void __devinit
+init_default_table_values(struct pm8001_hba_info *pm8001_ha)
+{
+ int qn = 1;
+ int i;
+ u32 offsetib, offsetob;
+ void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
+ void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
+
+ pm8001_ha->main_cfg_tbl.inbound_q_nppd_hppd = 0;
+ pm8001_ha->main_cfg_tbl.outbound_hw_event_pid0_3 = 0;
+ pm8001_ha->main_cfg_tbl.outbound_hw_event_pid4_7 = 0;
+ pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid0_3 = 0;
+ pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid4_7 = 0;
+ pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid0_3 = 0;
+ pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid4_7 = 0;
+ pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid0_3 = 0;
+ pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid4_7 = 0;
+ pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid0_3 = 0;
+ pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid4_7 = 0;
+
+ pm8001_ha->main_cfg_tbl.upper_event_log_addr =
+ pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
+ pm8001_ha->main_cfg_tbl.lower_event_log_addr =
+ pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
+ pm8001_ha->main_cfg_tbl.event_log_size = PM8001_EVENT_LOG_SIZE;
+ pm8001_ha->main_cfg_tbl.event_log_option = 0x01;
+ pm8001_ha->main_cfg_tbl.upper_iop_event_log_addr =
+ pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
+ pm8001_ha->main_cfg_tbl.lower_iop_event_log_addr =
+ pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
+ pm8001_ha->main_cfg_tbl.iop_event_log_size = PM8001_EVENT_LOG_SIZE;
+ pm8001_ha->main_cfg_tbl.iop_event_log_option = 0x01;
+ pm8001_ha->main_cfg_tbl.fatal_err_interrupt = 0x01;
+ for (i = 0; i < qn; i++) {
+ pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt =
+ 0x00000100 | (0x00000040 << 16) | (0x00<<30);
+ pm8001_ha->inbnd_q_tbl[i].upper_base_addr =
+ pm8001_ha->memoryMap.region[IB].phys_addr_hi;
+ pm8001_ha->inbnd_q_tbl[i].lower_base_addr =
+ pm8001_ha->memoryMap.region[IB].phys_addr_lo;
+ pm8001_ha->inbnd_q_tbl[i].base_virt =
+ (u8 *)pm8001_ha->memoryMap.region[IB].virt_ptr;
+ pm8001_ha->inbnd_q_tbl[i].total_length =
+ pm8001_ha->memoryMap.region[IB].total_len;
+ pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr =
+ pm8001_ha->memoryMap.region[CI].phys_addr_hi;
+ pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr =
+ pm8001_ha->memoryMap.region[CI].phys_addr_lo;
+ pm8001_ha->inbnd_q_tbl[i].ci_virt =
+ pm8001_ha->memoryMap.region[CI].virt_ptr;
+ offsetib = i * 0x20;
+ pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
+ get_pci_bar_index(pm8001_mr32(addressib,
+ (offsetib + 0x14)));
+ pm8001_ha->inbnd_q_tbl[i].pi_offset =
+ pm8001_mr32(addressib, (offsetib + 0x18));
+ pm8001_ha->inbnd_q_tbl[i].producer_idx = 0;
+ pm8001_ha->inbnd_q_tbl[i].consumer_index = 0;
+ }
+ for (i = 0; i < qn; i++) {
+ pm8001_ha->outbnd_q_tbl[i].element_size_cnt =
+ 256 | (64 << 16) | (1<<30);
+ pm8001_ha->outbnd_q_tbl[i].upper_base_addr =
+ pm8001_ha->memoryMap.region[OB].phys_addr_hi;
+ pm8001_ha->outbnd_q_tbl[i].lower_base_addr =
+ pm8001_ha->memoryMap.region[OB].phys_addr_lo;
+ pm8001_ha->outbnd_q_tbl[i].base_virt =
+ (u8 *)pm8001_ha->memoryMap.region[OB].virt_ptr;
+ pm8001_ha->outbnd_q_tbl[i].total_length =
+ pm8001_ha->memoryMap.region[OB].total_len;
+ pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr =
+ pm8001_ha->memoryMap.region[PI].phys_addr_hi;
+ pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr =
+ pm8001_ha->memoryMap.region[PI].phys_addr_lo;
+ pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay =
+ 0 | (10 << 16) | (0 << 24);
+ pm8001_ha->outbnd_q_tbl[i].pi_virt =
+ pm8001_ha->memoryMap.region[PI].virt_ptr;
+ offsetob = i * 0x24;
+ pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
+ get_pci_bar_index(pm8001_mr32(addressob,
+ offsetob + 0x14));
+ pm8001_ha->outbnd_q_tbl[i].ci_offset =
+ pm8001_mr32(addressob, (offsetob + 0x18));
+ pm8001_ha->outbnd_q_tbl[i].consumer_idx = 0;
+ pm8001_ha->outbnd_q_tbl[i].producer_index = 0;
+ }
+}
+
+/**
+ * update_main_config_table - update the main default table to the HBA.
+ * @pm8001_ha: our hba card information
+ */
+static void __devinit
+update_main_config_table(struct pm8001_hba_info *pm8001_ha)
+{
+ void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
+ pm8001_mw32(address, 0x24,
+ pm8001_ha->main_cfg_tbl.inbound_q_nppd_hppd);
+ pm8001_mw32(address, 0x28,
+ pm8001_ha->main_cfg_tbl.outbound_hw_event_pid0_3);
+ pm8001_mw32(address, 0x2C,
+ pm8001_ha->main_cfg_tbl.outbound_hw_event_pid4_7);
+ pm8001_mw32(address, 0x30,
+ pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid0_3);
+ pm8001_mw32(address, 0x34,
+ pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid4_7);
+ pm8001_mw32(address, 0x38,
+ pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid0_3);
+ pm8001_mw32(address, 0x3C,
+ pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid4_7);
+ pm8001_mw32(address, 0x40,
+ pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid0_3);
+ pm8001_mw32(address, 0x44,
+ pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid4_7);
+ pm8001_mw32(address, 0x48,
+ pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid0_3);
+ pm8001_mw32(address, 0x4C,
+ pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid4_7);
+ pm8001_mw32(address, 0x50,
+ pm8001_ha->main_cfg_tbl.upper_event_log_addr);
+ pm8001_mw32(address, 0x54,
+ pm8001_ha->main_cfg_tbl.lower_event_log_addr);
+ pm8001_mw32(address, 0x58, pm8001_ha->main_cfg_tbl.event_log_size);
+ pm8001_mw32(address, 0x5C, pm8001_ha->main_cfg_tbl.event_log_option);
+ pm8001_mw32(address, 0x60,
+ pm8001_ha->main_cfg_tbl.upper_iop_event_log_addr);
+ pm8001_mw32(address, 0x64,
+ pm8001_ha->main_cfg_tbl.lower_iop_event_log_addr);
+ pm8001_mw32(address, 0x68, pm8001_ha->main_cfg_tbl.iop_event_log_size);
+ pm8001_mw32(address, 0x6C,
+ pm8001_ha->main_cfg_tbl.iop_event_log_option);
+ pm8001_mw32(address, 0x70,
+ pm8001_ha->main_cfg_tbl.fatal_err_interrupt);
+}
+
+/**
+ * update_inbnd_queue_table - update the inbound queue table to the HBA.
+ * @pm8001_ha: our hba card information
+ */
+static void __devinit
+update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha, int number)
+{
+ void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
+ u16 offset = number * 0x20;
+ pm8001_mw32(address, offset + 0x00,
+ pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
+ pm8001_mw32(address, offset + 0x04,
+ pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
+ pm8001_mw32(address, offset + 0x08,
+ pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
+ pm8001_mw32(address, offset + 0x0C,
+ pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
+ pm8001_mw32(address, offset + 0x10,
+ pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
+}
+
+/**
+ * update_outbnd_queue_table - update the outbound queue table to the HBA.
+ * @pm8001_ha: our hba card information
+ */
+static void __devinit
+update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha, int number)
+{
+ void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
+ u16 offset = number * 0x24;
+ pm8001_mw32(address, offset + 0x00,
+ pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
+ pm8001_mw32(address, offset + 0x04,
+ pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
+ pm8001_mw32(address, offset + 0x08,
+ pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
+ pm8001_mw32(address, offset + 0x0C,
+ pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
+ pm8001_mw32(address, offset + 0x10,
+ pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
+ pm8001_mw32(address, offset + 0x1C,
+ pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
+}
+
+/**
+ * bar4_shift - function is called to shift BAR base address
+ * @pm8001_ha : our hba card infomation
+ * @shiftValue : shifting value in memory bar.
+ */
+static int bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
+{
+ u32 regVal;
+ u32 max_wait_count;
+
+ /* program the inbound AXI translation Lower Address */
+ pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
+
+ /* confirm the setting is written */
+ max_wait_count = 1 * 1000 * 1000; /* 1 sec */
+ do {
+ udelay(1);
+ regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
+ } while ((regVal != shiftValue) && (--max_wait_count));
+
+ if (!max_wait_count) {
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW"
+ " = 0x%x\n", regVal));
+ return -1;
+ }
+ return 0;
+}
+
+/**
+ * mpi_set_phys_g3_with_ssc
+ * @pm8001_ha: our hba card information
+ * @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
+ */
+static void __devinit
+mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit)
+{
+ u32 offset;
+ u32 value;
+ u32 i, j;
+ u32 bit_cnt;
+
+#define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
+#define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
+#define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
+#define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
+#define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
+#define PHY_G3_WITH_SSC_BIT_SHIFT 13
+#define SNW3_PHY_CAPABILITIES_PARITY 31
+
+ /*
+ * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
+ * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
+ */
+ if (-1 == bar4_shift(pm8001_ha, SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR))
+ return;
+ /* set SSC bit of PHY 0 - 3 */
+ for (i = 0; i < 4; i++) {
+ offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
+ value = pm8001_cr32(pm8001_ha, 2, offset);
+ if (SSCbit) {
+ value |= 0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT;
+ value &= ~(0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT);
+ } else {
+ value |= 0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT;
+ value &= ~(0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT);
+ }
+ bit_cnt = 0;
+ for (j = 0; j < 31; j++)
+ if ((value >> j) & 0x00000001)
+ bit_cnt++;
+ if (bit_cnt % 2)
+ value &= ~(0x00000001 << SNW3_PHY_CAPABILITIES_PARITY);
+ else
+ value |= 0x00000001 << SNW3_PHY_CAPABILITIES_PARITY;
+
+ pm8001_cw32(pm8001_ha, 2, offset, value);
+ }
+
+ /* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
+ if (-1 == bar4_shift(pm8001_ha, SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR))
+ return;
+
+ /* set SSC bit of PHY 4 - 7 */
+ for (i = 4; i < 8; i++) {
+ offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
+ value = pm8001_cr32(pm8001_ha, 2, offset);
+ if (SSCbit) {
+ value |= 0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT;
+ value &= ~(0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT);
+ } else {
+ value |= 0x00000001 << PHY_G3_WITHOUT_SSC_BIT_SHIFT;
+ value &= ~(0x00000001 << PHY_G3_WITH_SSC_BIT_SHIFT);
+ }
+ bit_cnt = 0;
+ for (j = 0; j < 31; j++)
+ if ((value >> j) & 0x00000001)
+ bit_cnt++;
+ if (bit_cnt % 2)
+ value &= ~(0x00000001 << SNW3_PHY_CAPABILITIES_PARITY);
+ else
+ value |= 0x00000001 << SNW3_PHY_CAPABILITIES_PARITY;
+
+ pm8001_cw32(pm8001_ha, 2, offset, value);
+ }
+
+ /*set the shifted destination address to 0x0 to avoid error operation */
+ bar4_shift(pm8001_ha, 0x0);
+ return;
+}
+
+/**
+ * mpi_set_open_retry_interval_reg
+ * @pm8001_ha: our hba card information
+ * @interval - interval time for each OPEN_REJECT (RETRY). The units are in 1us.
+ */
+static void __devinit
+mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
+ u32 interval)
+{
+ u32 offset;
+ u32 value;
+ u32 i;
+
+#define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
+#define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
+#define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
+#define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
+#define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
+
+ value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
+ /* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
+ if (-1 == bar4_shift(pm8001_ha,
+ OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR))
+ return;
+ for (i = 0; i < 4; i++) {
+ offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
+ pm8001_cw32(pm8001_ha, 2, offset, value);
+ }
+
+ if (-1 == bar4_shift(pm8001_ha,
+ OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR))
+ return;
+ for (i = 4; i < 8; i++) {
+ offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
+ pm8001_cw32(pm8001_ha, 2, offset, value);
+ }
+ /*set the shifted destination address to 0x0 to avoid error operation */
+ bar4_shift(pm8001_ha, 0x0);
+ return;
+}
+
+/**
+ * mpi_init_check - check firmware initialization status.
+ * @pm8001_ha: our hba card information
+ */
+static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
+{
+ u32 max_wait_count;
+ u32 value;
+ u32 gst_len_mpistate;
+ /* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
+ table is updated */
+ pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
+ /* wait until Inbound DoorBell Clear Register toggled */
+ max_wait_count = 1 * 1000 * 1000;/* 1 sec */
+ do {
+ udelay(1);
+ value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
+ value &= SPC_MSGU_CFG_TABLE_UPDATE;
+ } while ((value != 0) && (--max_wait_count));
+
+ if (!max_wait_count)
+ return -1;
+ /* check the MPI-State for initialization */
+ gst_len_mpistate =
+ pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
+ GST_GSTLEN_MPIS_OFFSET);
+ if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
+ return -1;
+ /* check MPI Initialization error */
+ gst_len_mpistate = gst_len_mpistate >> 16;
+ if (0x0000 != gst_len_mpistate)
+ return -1;
+ return 0;
+}
+
+/**
+ * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
+ * @pm8001_ha: our hba card information
+ */
+static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
+{
+ u32 value, value1;
+ u32 max_wait_count;
+ /* check error state */
+ value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
+ value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
+ /* check AAP error */
+ if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
+ /* error state */
+ value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
+ return -1;
+ }
+
+ /* check IOP error */
+ if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
+ /* error state */
+ value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
+ return -1;
+ }
+
+ /* bit 4-31 of scratch pad1 should be zeros if it is not
+ in error state*/
+ if (value & SCRATCH_PAD1_STATE_MASK) {
+ /* error case */
+ pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
+ return -1;
+ }
+
+ /* bit 2, 4-31 of scratch pad2 should be zeros if it is not
+ in error state */
+ if (value1 & SCRATCH_PAD2_STATE_MASK) {
+ /* error case */
+ return -1;
+ }
+
+ max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
+
+ /* wait until scratch pad 1 and 2 registers in ready state */
+ do {
+ udelay(1);
+ value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
+ & SCRATCH_PAD1_RDY;
+ value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
+ & SCRATCH_PAD2_RDY;
+ if ((--max_wait_count) == 0)
+ return -1;
+ } while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
+ return 0;
+}
+
+static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
+{
+ void __iomem *base_addr;
+ u32 value;
+ u32 offset;
+ u32 pcibar;
+ u32 pcilogic;
+
+ value = pm8001_cr32(pm8001_ha, 0, 0x44);
+ offset = value & 0x03FFFFFF;
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("Scratchpad 0 Offset: %x \n", offset));
+ pcilogic = (value & 0xFC000000) >> 26;
+ pcibar = get_pci_bar_index(pcilogic);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("Scratchpad 0 PCI BAR: %d \n", pcibar));
+ pm8001_ha->main_cfg_tbl_addr = base_addr =
+ pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
+ pm8001_ha->general_stat_tbl_addr =
+ base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
+ pm8001_ha->inbnd_q_tbl_addr =
+ base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
+ pm8001_ha->outbnd_q_tbl_addr =
+ base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
+}
+
+/**
+ * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
+ * @pm8001_ha: our hba card information
+ */
+static int __devinit pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
+{
+ /* check the firmware status */
+ if (-1 == check_fw_ready(pm8001_ha)) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("Firmware is not ready!\n"));
+ return -EBUSY;
+ }
+
+ /* Initialize pci space address eg: mpi offset */
+ init_pci_device_addresses(pm8001_ha);
+ init_default_table_values(pm8001_ha);
+ read_main_config_table(pm8001_ha);
+ read_general_status_table(pm8001_ha);
+ read_inbnd_queue_table(pm8001_ha);
+ read_outbnd_queue_table(pm8001_ha);
+ /* update main config table ,inbound table and outbound table */
+ update_main_config_table(pm8001_ha);
+ update_inbnd_queue_table(pm8001_ha, 0);
+ update_outbnd_queue_table(pm8001_ha, 0);
+ mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
+ mpi_set_open_retry_interval_reg(pm8001_ha, 7);
+ /* notify firmware update finished and check initialization status */
+ if (0 == mpi_init_check(pm8001_ha)) {
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("MPI initialize successful!\n"));
+ } else
+ return -EBUSY;
+ /*This register is a 16-bit timer with a resolution of 1us. This is the
+ timer used for interrupt delay/coalescing in the PCIe Application Layer.
+ Zero is not a valid value. A value of 1 in the register will cause the
+ interrupts to be normal. A value greater than 1 will cause coalescing
+ delays.*/
+ pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
+ pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
+ return 0;
+}
+
+static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
+{
+ u32 max_wait_count;
+ u32 value;
+ u32 gst_len_mpistate;
+ init_pci_device_addresses(pm8001_ha);
+ /* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
+ table is stop */
+ pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
+
+ /* wait until Inbound DoorBell Clear Register toggled */
+ max_wait_count = 1 * 1000 * 1000;/* 1 sec */
+ do {
+ udelay(1);
+ value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
+ value &= SPC_MSGU_CFG_TABLE_RESET;
+ } while ((value != 0) && (--max_wait_count));
+
+ if (!max_wait_count) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("TIMEOUT:IBDB value/=0x%x\n", value));
+ return -1;
+ }
+
+ /* check the MPI-State for termination in progress */
+ /* wait until Inbound DoorBell Clear Register toggled */
+ max_wait_count = 1 * 1000 * 1000; /* 1 sec */
+ do {
+ udelay(1);
+ gst_len_mpistate =
+ pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
+ GST_GSTLEN_MPIS_OFFSET);
+ if (GST_MPI_STATE_UNINIT ==
+ (gst_len_mpistate & GST_MPI_STATE_MASK))
+ break;
+ } while (--max_wait_count);
+ if (!max_wait_count) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk(" TIME OUT MPI State = 0x%x\n",
+ gst_len_mpistate & GST_MPI_STATE_MASK));
+ return -1;
+ }
+ return 0;
+}
+
+/**
+ * soft_reset_ready_check - Function to check FW is ready for soft reset.
+ * @pm8001_ha: our hba card information
+ */
+static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
+{
+ u32 regVal, regVal1, regVal2;
+ if (mpi_uninit_check(pm8001_ha) != 0) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("MPI state is not ready\n"));
+ return -1;
+ }
+ /* read the scratch pad 2 register bit 2 */
+ regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
+ & SCRATCH_PAD2_FWRDY_RST;
+ if (regVal == SCRATCH_PAD2_FWRDY_RST) {
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("Firmware is ready for reset .\n"));
+ } else {
+ /* Trigger NMI twice via RB6 */
+ if (-1 == bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("Shift Bar4 to 0x%x failed\n",
+ RB6_ACCESS_REG));
+ return -1;
+ }
+ pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
+ RB6_MAGIC_NUMBER_RST);
+ pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
+ /* wait for 100 ms */
+ mdelay(100);
+ regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
+ SCRATCH_PAD2_FWRDY_RST;
+ if (regVal != SCRATCH_PAD2_FWRDY_RST) {
+ regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
+ regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("TIMEOUT:MSGU_SCRATCH_PAD1"
+ "=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
+ regVal1, regVal2));
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
+ pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0)));
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
+ pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3)));
+ return -1;
+ }
+ }
+ return 0;
+}
+
+/**
+ * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
+ * the FW register status to the originated status.
+ * @pm8001_ha: our hba card information
+ * @signature: signature in host scratch pad0 register.
+ */
+static int
+pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature)
+{
+ u32 regVal, toggleVal;
+ u32 max_wait_count;
+ u32 regVal1, regVal2, regVal3;
+
+ /* step1: Check FW is ready for soft reset */
+ if (soft_reset_ready_check(pm8001_ha) != 0) {
+ PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("FW is not ready\n"));
+ return -1;
+ }
+
+ /* step 2: clear NMI status register on AAP1 and IOP, write the same
+ value to clear */
+ /* map 0x60000 to BAR4(0x20), BAR2(win) */
+ if (-1 == bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("Shift Bar4 to 0x%x failed\n",
+ MBIC_AAP1_ADDR_BASE));
+ return -1;
+ }
+ regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("MBIC - NMI Enable VPE0 (IOP)= 0x%x\n", regVal));
+ pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
+ /* map 0x70000 to BAR4(0x20), BAR2(win) */
+ if (-1 == bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("Shift Bar4 to 0x%x failed\n",
+ MBIC_IOP_ADDR_BASE));
+ return -1;
+ }
+ regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n", regVal));
+ pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
+
+ regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("PCIE -Event Interrupt Enable = 0x%x\n", regVal));
+ pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
+
+ regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("PCIE - Event Interrupt = 0x%x\n", regVal));
+ pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
+
+ regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("PCIE -Error Interrupt Enable = 0x%x\n", regVal));
+ pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
+
+ regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("PCIE - Error Interrupt = 0x%x\n", regVal));
+ pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
+
+ /* read the scratch pad 1 register bit 2 */
+ regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
+ & SCRATCH_PAD1_RST;
+ toggleVal = regVal ^ SCRATCH_PAD1_RST;
+
+ /* set signature in host scratch pad0 register to tell SPC that the
+ host performs the soft reset */
+ pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
+
+ /* read required registers for confirmming */
+ /* map 0x0700000 to BAR4(0x20), BAR2(win) */
+ if (-1 == bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("Shift Bar4 to 0x%x failed\n",
+ GSM_ADDR_BASE));
+ return -1;
+ }
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x0(0x00007b88)-GSM Configuration and"
+ " Reset = 0x%x\n",
+ pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
+
+ /* step 3: host read GSM Configuration and Reset register */
+ regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
+ /* Put those bits to low */
+ /* GSM XCBI offset = 0x70 0000
+ 0x00 Bit 13 COM_SLV_SW_RSTB 1
+ 0x00 Bit 12 QSSP_SW_RSTB 1
+ 0x00 Bit 11 RAAE_SW_RSTB 1
+ 0x00 Bit 9 RB_1_SW_RSTB 1
+ 0x00 Bit 8 SM_SW_RSTB 1
+ */
+ regVal &= ~(0x00003b00);
+ /* host write GSM Configuration and Reset register */
+ pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM "
+ "Configuration and Reset is set to = 0x%x\n",
+ pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
+
+ /* step 4: */
+ /* disable GSM - Read Address Parity Check */
+ regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x700038 - Read Address Parity Check "
+ "Enable = 0x%x\n", regVal1));
+ pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
+ "is set to = 0x%x\n",
+ pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
+
+ /* disable GSM - Write Address Parity Check */
+ regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x700040 - Write Address Parity Check"
+ " Enable = 0x%x\n", regVal2));
+ pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x700040 - Write Address Parity Check "
+ "Enable is set to = 0x%x\n",
+ pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
+
+ /* disable GSM - Write Data Parity Check */
+ regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x300048 - Write Data Parity Check"
+ " Enable = 0x%x\n", regVal3));
+ pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x300048 - Write Data Parity Check Enable"
+ "is set to = 0x%x\n",
+ pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
+
+ /* step 5: delay 10 usec */
+ udelay(10);
+ /* step 5-b: set GPIO-0 output control to tristate anyway */
+ if (-1 == bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("Shift Bar4 to 0x%x failed\n",
+ GPIO_ADDR_BASE));
+ return -1;
+ }
+ regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GPIO Output Control Register:"
+ " = 0x%x\n", regVal));
+ /* set GPIO-0 output control to tri-state */
+ regVal &= 0xFFFFFFFC;
+ pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
+
+ /* Step 6: Reset the IOP and AAP1 */
+ /* map 0x00000 to BAR4(0x20), BAR2(win) */
+ if (-1 == bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
+ SPC_TOP_LEVEL_ADDR_BASE));
+ return -1;
+ }
+ regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("Top Register before resetting IOP/AAP1"
+ ":= 0x%x\n", regVal));
+ regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
+ pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
+
+ /* step 7: Reset the BDMA/OSSP */
+ regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("Top Register before resetting BDMA/OSSP"
+ ": = 0x%x\n", regVal));
+ regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
+ pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
+
+ /* step 8: delay 10 usec */
+ udelay(10);
+
+ /* step 9: bring the BDMA and OSSP out of reset */
+ regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("Top Register before bringing up BDMA/OSSP"
+ ":= 0x%x\n", regVal));
+ regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
+ pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
+
+ /* step 10: delay 10 usec */
+ udelay(10);
+
+ /* step 11: reads and sets the GSM Configuration and Reset Register */
+ /* map 0x0700000 to BAR4(0x20), BAR2(win) */
+ if (-1 == bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
+ GSM_ADDR_BASE));
+ return -1;
+ }
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x0 (0x00007b88)-GSM Configuration and "
+ "Reset = 0x%x\n", pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
+ regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
+ /* Put those bits to high */
+ /* GSM XCBI offset = 0x70 0000
+ 0x00 Bit 13 COM_SLV_SW_RSTB 1
+ 0x00 Bit 12 QSSP_SW_RSTB 1
+ 0x00 Bit 11 RAAE_SW_RSTB 1
+ 0x00 Bit 9 RB_1_SW_RSTB 1
+ 0x00 Bit 8 SM_SW_RSTB 1
+ */
+ regVal |= (GSM_CONFIG_RESET_VALUE);
+ pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM (0x00004088 ==> 0x00007b88) - GSM"
+ " Configuration and Reset is set to = 0x%x\n",
+ pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
+
+ /* step 12: Restore GSM - Read Address Parity Check */
+ regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
+ /* just for debugging */
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
+ " = 0x%x\n", regVal));
+ pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x700038 - Read Address Parity"
+ " Check Enable is set to = 0x%x\n",
+ pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
+ /* Restore GSM - Write Address Parity Check */
+ regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
+ pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x700040 - Write Address Parity Check"
+ " Enable is set to = 0x%x\n",
+ pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
+ /* Restore GSM - Write Data Parity Check */
+ regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
+ pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("GSM 0x700048 - Write Data Parity Check Enable"
+ "is set to = 0x%x\n",
+ pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
+
+ /* step 13: bring the IOP and AAP1 out of reset */
+ /* map 0x00000 to BAR4(0x20), BAR2(win) */
+ if (-1 == bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
+ PM8001_FAIL_DBG(pm8001_ha,
+ pm8001_printk("Shift Bar4 to 0x%x failed