[PATCH][2/4] b44: Cleanup SiliconBackplane definitions/functions

Florian Schirmer
2004-08-29T20:42:50Z

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Hi,

there is a good amount of code to support SiliconBackplane functions which are unneeded or simply plain wrong. Lets get rid of it.

Regards,
Florian

Signed-off-by: Florian Schirmer <jolt@tuxbox.org>

--- linux/drivers/net/b44.c-old2 2004-08-29 16:27:00.000000000 +0200
+++ linux/drivers/net/b44.c 2004-08-29 16:59:24.000000000 +0200
@@ -130,41 +130,8 @@ static int b44_wait_bit(struct b44 *bp,
* interrupts disabled.
*/

-#define SBID_SDRAM 0
-#define SBID_PCI_MEM 1
-#define SBID_PCI_CFG 2
-#define SBID_PCI_DMA 3
-#define SBID_SDRAM_SWAPPED 4
-#define SBID_ENUM 5
-#define SBID_REG_SDRAM 6
-#define SBID_REG_ILINE20 7
-#define SBID_REG_EMAC 8
-#define SBID_REG_CODEC 9
-#define SBID_REG_USB 10
-#define SBID_REG_PCI 11
-#define SBID_REG_MIPS 12
-#define SBID_REG_EXTIF 13
-#define SBID_EXTIF 14
-#define SBID_EJTAG 15
-#define SBID_MAX 16
-
-static u32 ssb_get_addr(struct b44 *bp, u32 id, u32 instance)
-{
- switch (id) {
- case SBID_PCI_DMA:
- return 0x40000000;
- case SBID_ENUM:
- return 0x18000000;
- case SBID_REG_EMAC:
- return 0x18000000;
- case SBID_REG_CODEC:
- return 0x18001000;
- case SBID_REG_PCI:
- return 0x18002000;
- default:
- return 0;
- };
-}
+#define SB_PCI_DMA 0x40000000 /* Client Mode PCI memory access space (1 GB) */
+#define BCM4400_PCI_CORE_ADDR 0x18002000 /* Address of PCI core on BCM4400 cards */

static u32 ssb_get_core_rev(struct b44 *bp)
{
@@ -176,8 +143,7 @@ static u32 ssb_pci_setup(struct b44 *bp,
u32 bar_orig, pci_rev, val;

pci_read_config_dword(bp->pdev, SSB_BAR0_WIN, &bar_orig);
- pci_write_config_dword(bp->pdev, SSB_BAR0_WIN,
- ssb_get_addr(bp, SBID_REG_PCI, 0));
+ pci_write_config_dword(bp->pdev, SSB_BAR0_WIN, BCM4400_PCI_CORE_ADDR);
pci_rev = ssb_get_core_rev(bp);

val = br32(B44_SBINTVEC);
@@ -1676,7 +1642,6 @@ static int __devinit b44_get_invariants(
bp->dev->dev_addr[5] = eeprom[82];

bp->phy_addr = eeprom[90] & 0x1f;
- bp->mdc_port = (eeprom[90] >> 14) & 0x1;

/* With this, plus the rx_header prepended to the data by the
* hardware, we'll land the ethernet header on a 2-byte boundary.
@@ -1686,7 +1651,7 @@ static int __devinit b44_get_invariants(
bp->imask = IMASK_DEF;

bp->core_unit = ssb_core_unit(bp);
- bp->dma_offset = ssb_get_addr(bp, SBID_PCI_DMA, 0);
+ bp->dma_offset = SB_PCI_DMA;

/* XXX - really required?
bp->flags |= B44_FLAG_BUGGY_TXPTR;
--- linux/drivers/net/b44.h-old2 2004-08-29 16:25:36.000000000 +0200
+++ linux/drivers/net/b44.h 2004-08-29 17:06:44.000000000 +0200
@@ -223,21 +223,8 @@
#define B44_RX_SYM 0x05D0UL /* MIB RX Symbol Errors */
#define B44_RX_PAUSE 0x05D4UL /* MIB RX Pause Packets */
#define B44_RX_NPAUSE 0x05D8UL /* MIB RX Non-Pause Packets */
-#define B44_SBIPSFLAG 0x0F08UL /* SB Initiator Port OCP Slave Flag */
-#define SBIPSFLAG_IMASK1 0x0000003f /* Which sbflags --> mips interrupt 1 */
-#define SBIPSFLAG_ISHIFT1 0
-#define SBIPSFLAG_IMASK2 0x00003f00 /* Which sbflags --> mips interrupt 2 */
-#define SBIPSFLAG_ISHIFT2 8
-#define SBIPSFLAG_IMASK3 0x003f0000 /* Which sbflags --> mips interrupt 3 */
-#define SBIPSFLAG_ISHIFT3 16
-#define SBIPSFLAG_IMASK4 0x3f000000 /* Which sbflags --> mips interrupt 4 */
-#define SBIPSFLAG_ISHIFT4 24
-#define B44_SBTPSFLAG 0x0F18UL /* SB Target Port OCP Slave Flag */
-#define SBTPS_NUM0_MASK 0x0000003f
-#define SBTPS_F0EN0 0x00000040
-#define B44_SBADMATCH3 0x0F60UL /* SB Address Match 3 */
-#define B44_SBADMATCH2 0x0F68UL /* SB Address Match 2 */
-#define B44_SBADMATCH1 0x0F70UL /* SB Address Match 1 */
+
+/* Silicon backplane register definitions */
#define B44_SBIMSTATE 0x0F90UL /* SB Initiator Agent State */
#define SBIMSTATE_PC 0x0000000f /* Pipe Count */
#define SBIMSTATE_AP_MASK 0x00000030 /* Arbitration Priority */
@@ -269,86 +256,6 @@
#define SBTMSHIGH_GCR 0x20000000 /* Gated Clock Request */
#define SBTMSHIGH_BISTF 0x40000000 /* BIST Failed */
#define SBTMSHIGH_BISTD 0x80000000 /* BIST Done */
-#define B44_SBBWA0 0x0FA0UL /* SB Bandwidth Allocation Table 0 */
-#define SBBWA0_TAB0_MASK 0x0000ffff /* Lookup Table 0 */
-#define SBBWA0_TAB0_SHIFT 0
-#define SBBWA0_TAB1_MASK 0xffff0000 /* Lookup Table 0 */
-#define SBBWA0_TAB1_SHIFT 16
-#define B44_SBIMCFGLOW 0x0FA8UL /* SB Initiator Configuration Low */
-#define SBIMCFGLOW_STO_MASK 0x00000003 /* Service Timeout */
-#define SBIMCFGLOW_RTO_MASK 0x00000030 /* Request Timeout */
-#define SBIMCFGLOW_RTO_SHIFT 4
-#define SBIMCFGLOW_CID_MASK 0x00ff0000 /* Connection ID */
-#define SBIMCFGLOW_CID_SHIFT 16
-#define B44_SBIMCFGHIGH 0x0FACUL /* SB Initiator Configuration High */
-#define SBIMCFGHIGH_IEM_MASK 0x0000000c /* Inband Error Mode */
-#define SBIMCFGHIGH_TEM_MASK 0x00000030 /* Timeout Error Mode */
-#define SBIMCFGHIGH_TEM_SHIFT 4
-#define SBIMCFGHIGH_BEM_MASK 0x000000c0 /* Bus Error Mode */
-#define SBIMCFGHIGH_BEM_SHIFT 6
-#define B44_SBADMATCH0 0x0FB0UL /* SB Address Match 0 */
-#define SBADMATCH0_TYPE_MASK 0x00000003 /* Address Type */
-#define SBADMATCH0_AD64 0x00000004 /* Reserved */
-#define SBADMATCH0_AI0_MASK 0x000000f8 /* Type0 Size */
-#define SBADMATCH0_AI0_SHIFT 3
-#define SBADMATCH0_AI1_MASK 0x000001f8 /* Type1 Size */
-#define SBADMATCH0_AI1_SHIFT 3
-#define SBADMATCH0_AI2_MASK 0x000001f8 /* Type2 Size */
-#define SBADMATCH0_AI2_SHIFT 3
-#define SBADMATCH0_ADEN 0x00000400 /* Enable */
-#define SBADMATCH0_ADNEG 0x00000800 /* Negative Decode */
-#define SBADMATCH0_BS0_MASK 0xffffff00 /* Type0 Base Address */
-#define SBADMATCH0_BS0_SHIFT 8
-#define SBADMATCH0_BS1_MASK 0xfffff000 /* Type1 Base Address */
-#define SBADMATCH0_BS1_SHIFT 12
-#define SBADMATCH0_BS2_MASK 0xffff0000 /* Type2 Base Address */
-#define SBADMATCH0_BS2_SHIFT 16
-#define B44_SBTMCFGLOW 0x0FB8UL /* SB Target Configuration Low */
-#define SBTMCFGLOW_CD_MASK 0x000000ff /* Clock Divide Mask */
-#define SBTMCFGLOW_CO_MASK 0x0000f800 /* Clock Offset Mask */
-#define SBTMCFGLOW_CO_SHIFT 11
-#define SBTMCFGLOW_IF_MASK 0x00fc0000 /* Interrupt Flags Mask */
-#define SBTMCFGLOW_IF_SHIFT 18
-#define SBTMCFGLOW_IM_MASK 0x03000000 /* Interrupt Mode Mask */
-#define SBTMCFGLOW_IM_SHIFT 24
-#define B44_SBTMCFGHIGH 0x0FBCUL /* SB Target Configuration High */
-#define SBTMCFGHIGH_BM_MASK 0x00000003 /* Busy Mode */
-#define SBTMCFGHIGH_RM_MASK 0x0000000C /* Retry Mode */
-#define SBTMCFGHIGH_RM_SHIFT 2
-#define SBTMCFGHIGH_SM_MASK 0x00000030 /* Stop Mode */
-#define SBTMCFGHIGH_SM_SHIFT 4
-#define SBTMCFGHIGH_EM_MASK 0x00000300 /* Error Mode */
-#define SBTMCFGHIGH_EM_SHIFT 8
-#define SBTMCFGHIGH_IM_MASK 0x00000c00 /* Interrupt Mode */
-#define SBTMCFGHIGH_IM_SHIFT 10
-#define B44_SBBCFG 0x0FC0UL /* SB Broadcast Configuration */
-#define SBBCFG_LAT_MASK 0x00000003 /* SB Latency */
-#define SBBCFG_MAX0_MASK 0x000f0000 /* MAX Counter 0 */
-#define SBBCFG_MAX0_SHIFT 16
-#define SBBCFG_MAX1_MASK 0x00f00000 /* MAX Counter 1 */
-#define SBBCFG_MAX1_SHIFT 20
-#define B44_SBBSTATE 0x0FC8UL /* SB Broadcast State */
-#define SBBSTATE_SRD 0x00000001 /* ST Reg Disable */
-#define SBBSTATE_HRD 0x00000002 /* Hold Reg Disable */
-#define B44_SBACTCNFG 0x0FD8UL /* SB Activate Configuration */
-#define B44_SBFLAGST 0x0FE8UL /* SB Current SBFLAGS */
-#define B44_SBIDLOW 0x0FF8UL /* SB Identification Low */
-#define SBIDLOW_CS_MASK 0x00000003 /* Config Space Mask */
-#define SBIDLOW_AR_MASK 0x00000038 /* Num Address Ranges Supported */
-#define SBIDLOW_AR_SHIFT 3
-#define SBIDLOW_SYNCH 0x00000040 /* Sync */
-#define SBIDLOW_INIT 0x00000080 /* Initiator */
-#define SBIDLOW_MINLAT_MASK 0x00000f00 /* Minimum Backplane Latency */
-#define SBIDLOW_MINLAT_SHIFT 8
-#define SBIDLOW_MAXLAT_MASK 0x0000f000 /* Maximum Backplane Latency */
-#define SBIDLOW_MAXLAT_SHIFT 12
-#define SBIDLOW_FIRST 0x00010000 /* This Initiator is First */
-#define SBIDLOW_CW_MASK 0x000c0000 /* Cycle Counter Width */
-#define SBIDLOW_CW_SHIFT 18
-#define SBIDLOW_TP_MASK 0x00f00000 /* Target Ports */
-#define SBIDLOW_TP_SHIFT 20
-#define SBIDLOW_IP_MASK 0x0f000000 /* Initiator Ports */
-#define SBIDLOW_IP_SHIFT 24
#define B44_SBIDHIGH 0x0FFCUL /* SB Identification High */
#define SBIDHIGH_RC_MASK 0x0000000f /* Revision Code */
#define SBIDHIGH_CC_MASK 0x0000fff0 /* Core Code */
@@ -356,23 +263,13 @@
#define SBIDHIGH_VC_MASK 0xffff0000 /* Vendor Code */
#define SBIDHIGH_VC_SHIFT 16

-#define CORE_CODE_ILINE20 0x801
-#define CORE_CODE_SDRAM 0x803
-#define CORE_CODE_PCI 0x804
-#define CORE_CODE_MIPS 0x805
-#define CORE_CODE_ENET 0x806
-#define CORE_CODE_CODEC 0x807
-#define CORE_CODE_USB 0x808
-#define CORE_CODE_ILINE100 0x80a
-#define CORE_CODE_EXTIF 0x811
-
/* SSB PCI config space registers. */
#define SSB_BAR0_WIN 0x80
#define SSB_BAR1_WIN 0x84
#define SSB_SPROM_CONTROL 0x88
#define SSB_BAR1_CONTROL 0x8c

-/* SSB core and hsot control registers. */
+/* SSB core and host control registers. */
#define SSB_CONTROL 0x0000UL
#define SSB_ARBCONTROL 0x0010UL
#define SSB_ISTAT 0x0020UL
@@ -540,7 +437,6 @@ struct b44 {
u32 tx_pending;
u32 pci_cfg_state[64 / sizeof(u32)];
u8 phy_addr;
- u8 mdc_port;
u8 core_unit;

struct mii_if_info mii_if;

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