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[SCSI] megaraid_sas: support for 1078 type controller added 

This patch adds support for 1078 type controller (device id : 0x60).

Signed-off-by: Sumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
hifive-unleashed-5.1
Sumant Patro 2006-02-03 15:34:35 -08:00 committed by
parent 122da30223
commit f9876f0b67
3 changed files with 140 additions and 18 deletions
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11
Documentation/scsi/ChangeLog.megaraid_sas
View File

@ -1,3 +1,14 @@
1 Release Date : Wed Feb 03 14:31:44 PST 2006 - Sumant Patro <Sumant.Patro@lsil.com>
2 Current Version : 00.00.02.04
3 Older Version : 00.00.02.04
i. Support for 1078 type (ppc IOP) controller, device id : 0x60 added.
During initialization, depending on the device id, the template members
are initialized with function pointers specific to the ppc or
xscale controllers.
-Sumant Patro <Sumant.Patro@lsil.com>
1 Release Date : Fri Feb 03 14:16:25 PST 2006 - Sumant Patro
<Sumant.Patro@lsil.com>
2 Current Version : 00.00.02.04

98
drivers/scsi/megaraid/megaraid_sas.c
View File

@ -59,6 +59,12 @@ static struct pci_device_id megasas_pci_table[] = {
PCI_ANY_ID,
PCI_ANY_ID,
},
{
PCI_VENDOR_ID_LSI_LOGIC,
PCI_DEVICE_ID_LSI_SAS1078R, // ppc IOP
PCI_ANY_ID,
PCI_ANY_ID,
},
{
PCI_VENDOR_ID_DELL,
PCI_DEVICE_ID_DELL_PERC5, // xscale IOP
@ -198,6 +204,86 @@ static struct megasas_instance_template megasas_instance_template_xscale = {
* to xscale (deviceid : 1064R, PERC5) controllers
*/
/**
* The following functions are defined for ppc (deviceid : 0x60)
* controllers
*/
/**
* megasas_enable_intr_ppc - Enables interrupts
* @regs: MFI register set
*/
static inline void
megasas_enable_intr_ppc(struct megasas_register_set __iomem * regs)
{
writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear);
writel(~0x80000004, &(regs)->outbound_intr_mask);
/* Dummy readl to force pci flush */
readl(&regs->outbound_intr_mask);
}
/**
* megasas_read_fw_status_reg_ppc - returns the current FW status value
* @regs: MFI register set
*/
static u32
megasas_read_fw_status_reg_ppc(struct megasas_register_set __iomem * regs)
{
return readl(&(regs)->outbound_scratch_pad);
}
/**
* megasas_clear_interrupt_ppc - Check & clear interrupt
* @regs: MFI register set
*/
static int
megasas_clear_intr_ppc(struct megasas_register_set __iomem * regs)
{
u32 status;
/*
* Check if it is our interrupt
*/
status = readl(&regs->outbound_intr_status);
if (!(status & MFI_REPLY_1078_MESSAGE_INTERRUPT)) {
return 1;
}
/*
* Clear the interrupt by writing back the same value
*/
writel(status, &regs->outbound_doorbell_clear);
return 0;
}
/**
* megasas_fire_cmd_ppc - Sends command to the FW
* @frame_phys_addr : Physical address of cmd
* @frame_count : Number of frames for the command
* @regs : MFI register set
*/
static inline void
megasas_fire_cmd_ppc(dma_addr_t frame_phys_addr, u32 frame_count, struct megasas_register_set __iomem *regs)
{
writel((frame_phys_addr | (frame_count<<1))|1,
&(regs)->inbound_queue_port);
}
static struct megasas_instance_template megasas_instance_template_ppc = {
.fire_cmd = megasas_fire_cmd_ppc,
.enable_intr = megasas_enable_intr_ppc,
.clear_intr = megasas_clear_intr_ppc,
.read_fw_status_reg = megasas_read_fw_status_reg_ppc,
};
/**
* This is the end of set of functions & definitions
* specific to ppc (deviceid : 0x60) controllers
*/
/**
* megasas_disable_intr - Disables interrupts
* @regs: MFI register set
@ -1607,7 +1693,17 @@ static int megasas_init_mfi(struct megasas_instance *instance)
reg_set = instance->reg_set;
instance->instancet = &megasas_instance_template_xscale;
switch(instance->pdev->device)
{
case PCI_DEVICE_ID_LSI_SAS1078R:
instance->instancet = &megasas_instance_template_ppc;
break;
case PCI_DEVICE_ID_LSI_SAS1064R:
case PCI_DEVICE_ID_DELL_PERC5:
default:
instance->instancet = &megasas_instance_template_xscale;
break;
}
/*
* We expect the FW state to be READY

49
drivers/scsi/megaraid/megaraid_sas.h
View File

@ -20,7 +20,7 @@
*/
#define MEGASAS_VERSION "00.00.02.04"
#define MEGASAS_RELDATE "Feb 03, 2006"
#define MEGASAS_EXT_VERSION "Fri Feb 03 14:16:25 PST 2006"
#define MEGASAS_EXT_VERSION "Fri Feb 03 14:31:44 PST 2006"
/*
* =====================================
* MegaRAID SAS MFI firmware definitions
@ -553,31 +553,46 @@ struct megasas_ctrl_info {
#define MFI_OB_INTR_STATUS_MASK 0x00000002
#define MFI_POLL_TIMEOUT_SECS 10
#define MFI_REPLY_1078_MESSAGE_INTERRUPT 0x80000000
#define PCI_DEVICE_ID_LSI_SAS1078R 0x00000060
struct megasas_register_set {
u32 reserved_0[4]; /*0000h*/
u32 reserved_0[4]; /*0000h */
u32 inbound_msg_0; /*0010h*/
u32 inbound_msg_1; /*0014h*/
u32 outbound_msg_0; /*0018h*/
u32 outbound_msg_1; /*001Ch*/
u32 inbound_msg_0; /*0010h */
u32 inbound_msg_1; /*0014h */
u32 outbound_msg_0; /*0018h */
u32 outbound_msg_1; /*001Ch */
u32 inbound_doorbell; /*0020h*/
u32 inbound_intr_status; /*0024h*/
u32 inbound_intr_mask; /*0028h*/
u32 inbound_doorbell; /*0020h */
u32 inbound_intr_status; /*0024h */
u32 inbound_intr_mask; /*0028h */
u32 outbound_doorbell; /*002Ch*/
u32 outbound_intr_status; /*0030h*/
u32 outbound_intr_mask; /*0034h*/
u32 outbound_doorbell; /*002Ch */
u32 outbound_intr_status; /*0030h */
u32 outbound_intr_mask; /*0034h */
u32 reserved_1[2]; /*0038h*/
u32 reserved_1[2]; /*0038h */
u32 inbound_queue_port; /*0040h*/
u32 outbound_queue_port; /*0044h*/
u32 inbound_queue_port; /*0040h */
u32 outbound_queue_port; /*0044h */
u32 reserved_2[22]; /*0048h*/
u32 reserved_2; /*004Ch */
u32 outbound_doorbell_clear; /*00A0h*/
u32 index_registers[1004]; /*0050h */
u32 reserved_3[3]; /*00A4h*/
u32 outbound_scratch_pad ; /*00B0h*/
u32 reserved_4[3]; /*00B4h*/
u32 inbound_low_queue_port ; /*00C0h*/
u32 inbound_high_queue_port ; /*00C4h*/
u32 reserved_5; /*00C8h*/
u32 index_registers[820]; /*00CCh*/
} __attribute__ ((packed));