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Commit 875521dd authored by Jeff Garzik's avatar Jeff Garzik
Browse files

e100: revert CPU cycle saver microcode, it causes severe problems 


for certain NICs

Reverting 685fac63:
> [PATCH] e100: CPU cycle saver microcode
>
>
> Add cpu cycle saver microcode to 8086:{1209/1229} other than ICH devices.
>
> Signed-off-by: default avatarMallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
> Signed-off-by: default avatarGanesh Venkatesan <ganesh.venkatesan@intel.com>
> Signed-off-by: default avatarJohn Ronciak <john.ronciak@intel.com>
> Signed-off-by: default avatarJeff Garzik <jgarzik@pobox.com>
parent 3c92c2ba

drivers/net/e100.c

+18 −206
Original line number Original line Diff line number Diff line
@@ -903,8 +903,8 @@ static void mdio_write(struct net_device *netdev, int addr, int reg, int data) 




static void e100_get_defaults(struct nic *nic)

static void e100_get_defaults(struct nic *nic)

{

{

	struct param_range rfds = { .min = 16, .max = 256, .count = 256 };

	struct param_range rfds = { .min = 16, .max = 256, .count = 64 };

	struct param_range cbs  = { .min = 64, .max = 256, .count = 128 };

	struct param_range cbs  = { .min = 64, .max = 256, .count = 64 };





	pci_read_config_byte(nic->pdev, PCI_REVISION_ID, &nic->rev_id);

	pci_read_config_byte(nic->pdev, PCI_REVISION_ID, &nic->rev_id);

	/* MAC type is encoded as rev ID; exception: ICH is treated as 82559 */

	/* MAC type is encoded as rev ID; exception: ICH is treated as 82559 */
@@ -1007,212 +1007,24 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb) 
		c[16], c[17], c[18], c[19], c[20], c[21], c[22], c[23]);

		c[16], c[17], c[18], c[19], c[20], c[21], c[22], c[23]);

}

}





/********************************************************/

/*  Micro code for 8086:1229 Rev 8                      */

/********************************************************/



/*  Parameter values for the D101M B-step  */

#define D101M_CPUSAVER_TIMER_DWORD		78

#define D101M_CPUSAVER_BUNDLE_DWORD		65

#define D101M_CPUSAVER_MIN_SIZE_DWORD		126



#define D101M_B_RCVBUNDLE_UCODE \

{\

0x00550215, 0xFFFF0437, 0xFFFFFFFF, 0x06A70789, 0xFFFFFFFF, 0x0558FFFF, \

0x000C0001, 0x00101312, 0x000C0008, 0x00380216, \

0x0010009C, 0x00204056, 0x002380CC, 0x00380056, \

0x0010009C, 0x00244C0B, 0x00000800, 0x00124818, \

0x00380438, 0x00000000, 0x00140000, 0x00380555, \

0x00308000, 0x00100662, 0x00100561, 0x000E0408, \

0x00134861, 0x000C0002, 0x00103093, 0x00308000, \

0x00100624, 0x00100561, 0x000E0408, 0x00100861, \

0x000C007E, 0x00222C21, 0x000C0002, 0x00103093, \

0x00380C7A, 0x00080000, 0x00103090, 0x00380C7A, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x0010009C, 0x00244C2D, 0x00010004, 0x00041000, \

0x003A0437, 0x00044010, 0x0038078A, 0x00000000, \

0x00100099, 0x00206C7A, 0x0010009C, 0x00244C48, \

0x00130824, 0x000C0001, 0x00101213, 0x00260C75, \

0x00041000, 0x00010004, 0x00130826, 0x000C0006, \

0x002206A8, 0x0013C926, 0x00101313, 0x003806A8, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00080600, 0x00101B10, 0x00050004, 0x00100826, \

0x00101210, 0x00380C34, 0x00000000, 0x00000000, \

0x0021155B, 0x00100099, 0x00206559, 0x0010009C, \

0x00244559, 0x00130836, 0x000C0000, 0x00220C62, \

0x000C0001, 0x00101B13, 0x00229C0E, 0x00210C0E, \

0x00226C0E, 0x00216C0E, 0x0022FC0E, 0x00215C0E, \

0x00214C0E, 0x00380555, 0x00010004, 0x00041000, \

0x00278C67, 0x00040800, 0x00018100, 0x003A0437, \

0x00130826, 0x000C0001, 0x00220559, 0x00101313, \

0x00380559, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00130831, 0x0010090B, 0x00124813, \

0x000CFF80, 0x002606AB, 0x00041000, 0x00010004, \

0x003806A8, 0x00000000, 0x00000000, 0x00000000, \

}



/********************************************************/

/*  Micro code for 8086:1229 Rev 9                      */

/********************************************************/



/*  Parameter values for the D101S  */

#define D101S_CPUSAVER_TIMER_DWORD		78

#define D101S_CPUSAVER_BUNDLE_DWORD		67

#define D101S_CPUSAVER_MIN_SIZE_DWORD		128



#define D101S_RCVBUNDLE_UCODE \

{\

0x00550242, 0xFFFF047E, 0xFFFFFFFF, 0x06FF0818, 0xFFFFFFFF, 0x05A6FFFF, \

0x000C0001, 0x00101312, 0x000C0008, 0x00380243, \

0x0010009C, 0x00204056, 0x002380D0, 0x00380056, \

0x0010009C, 0x00244F8B, 0x00000800, 0x00124818, \

0x0038047F, 0x00000000, 0x00140000, 0x003805A3, \

0x00308000, 0x00100610, 0x00100561, 0x000E0408, \

0x00134861, 0x000C0002, 0x00103093, 0x00308000, \

0x00100624, 0x00100561, 0x000E0408, 0x00100861, \

0x000C007E, 0x00222FA1, 0x000C0002, 0x00103093, \

0x00380F90, 0x00080000, 0x00103090, 0x00380F90, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x0010009C, 0x00244FAD, 0x00010004, 0x00041000, \

0x003A047E, 0x00044010, 0x00380819, 0x00000000, \

0x00100099, 0x00206FFD, 0x0010009A, 0x0020AFFD, \

0x0010009C, 0x00244FC8, 0x00130824, 0x000C0001, \

0x00101213, 0x00260FF7, 0x00041000, 0x00010004, \

0x00130826, 0x000C0006, 0x00220700, 0x0013C926, \

0x00101313, 0x00380700, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00080600, 0x00101B10, 0x00050004, 0x00100826, \

0x00101210, 0x00380FB6, 0x00000000, 0x00000000, \

0x002115A9, 0x00100099, 0x002065A7, 0x0010009A, \

0x0020A5A7, 0x0010009C, 0x002445A7, 0x00130836, \

0x000C0000, 0x00220FE4, 0x000C0001, 0x00101B13, \

0x00229F8E, 0x00210F8E, 0x00226F8E, 0x00216F8E, \

0x0022FF8E, 0x00215F8E, 0x00214F8E, 0x003805A3, \

0x00010004, 0x00041000, 0x00278FE9, 0x00040800, \

0x00018100, 0x003A047E, 0x00130826, 0x000C0001, \

0x002205A7, 0x00101313, 0x003805A7, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00130831, \

0x0010090B, 0x00124813, 0x000CFF80, 0x00260703, \

0x00041000, 0x00010004, 0x00380700  \

}



/********************************************************/

/*  Micro code for the 8086:1229 Rev F/10               */

/********************************************************/



/*  Parameter values for the D102 E-step  */

#define D102_E_CPUSAVER_TIMER_DWORD		42

#define D102_E_CPUSAVER_BUNDLE_DWORD		54

#define D102_E_CPUSAVER_MIN_SIZE_DWORD		46



#define     D102_E_RCVBUNDLE_UCODE \

{\

0x007D028F, 0x0E4204F9, 0x14ED0C85, 0x14FA14E9, 0x0EF70E36, 0x1FFF1FFF, \

0x00E014B9, 0x00000000, 0x00000000, 0x00000000, \

0x00E014BD, 0x00000000, 0x00000000, 0x00000000, \

0x00E014D5, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00E014C1, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00E014C8, 0x00000000, 0x00000000, 0x00000000, \

0x00200600, 0x00E014EE, 0x00000000, 0x00000000, \

0x0030FF80, 0x00940E46, 0x00038200, 0x00102000, \

0x00E00E43, 0x00000000, 0x00000000, 0x00000000, \

0x00300006, 0x00E014FB, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00906E41, 0x00800E3C, 0x00E00E39, 0x00000000, \

0x00906EFD, 0x00900EFD, 0x00E00EF8, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

0x00000000, 0x00000000, 0x00000000, 0x00000000, \

}



static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)

static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)

{

{

/* *INDENT-OFF* */

	static struct {

		u32 ucode[UCODE_SIZE + 1];

		u8 mac;

		u8 timer_dword;

		u8 bundle_dword;

		u8 min_size_dword;

	} ucode_opts[] = {

		{ D101M_B_RCVBUNDLE_UCODE,

		  mac_82559_D101M,

		  D101M_CPUSAVER_TIMER_DWORD,

		  D101M_CPUSAVER_BUNDLE_DWORD,

		  D101M_CPUSAVER_MIN_SIZE_DWORD },

		{ D101S_RCVBUNDLE_UCODE,

		  mac_82559_D101S,

		  D101S_CPUSAVER_TIMER_DWORD,

		  D101S_CPUSAVER_BUNDLE_DWORD,

		  D101S_CPUSAVER_MIN_SIZE_DWORD },

		{ D102_E_RCVBUNDLE_UCODE,

		  mac_82551_F,

		  D102_E_CPUSAVER_TIMER_DWORD,

		  D102_E_CPUSAVER_BUNDLE_DWORD,

		  D102_E_CPUSAVER_MIN_SIZE_DWORD },

		{ D102_E_RCVBUNDLE_UCODE,

		  mac_82551_10,

		  D102_E_CPUSAVER_TIMER_DWORD,

		  D102_E_CPUSAVER_BUNDLE_DWORD,

		  D102_E_CPUSAVER_MIN_SIZE_DWORD },

		{ {0}, 0, 0, 0, 0}

	}, *opts;

/* *INDENT-ON* */



#define BUNDLESMALL 1

#define BUNDLEMAX 50

#define INTDELAY 15000



	opts = ucode_opts;



	/* do not load u-code for ICH devices */

	if (nic->flags & ich)

		return;



	/* Search for ucode match against h/w rev_id */

	while (opts->mac) {

		if (nic->mac == opts->mac) {

	int i;

	int i;

			u32 *ucode = opts->ucode;

	static const u32 ucode[UCODE_SIZE] = {



		/* NFS packets are misinterpreted as TCO packets and

			/* Insert user-tunable settings */

		 * incorrectly routed to the BMC over SMBus.  This

			ucode[opts->timer_dword] &= 0xFFFF0000;

		 * microcode patch checks the fragmented IP bit in the

			ucode[opts->timer_dword] |=

		 * NFS/UDP header to distinguish between NFS and TCO. */

				(u16) INTDELAY;

		0x0EF70E36, 0x1FFF1FFF, 0x1FFF1FFF, 0x1FFF1FFF, 0x1FFF1FFF,

			ucode[opts->bundle_dword] &= 0xFFFF0000;

		0x1FFF1FFF, 0x00906E41, 0x00800E3C, 0x00E00E39, 0x00000000,

			ucode[opts->bundle_dword] |= (u16) BUNDLEMAX;

		0x00906EFD, 0x00900EFD,	0x00E00EF8,

			ucode[opts->min_size_dword] &= 0xFFFF0000;

	};

			ucode[opts->min_size_dword] |=

				(BUNDLESMALL) ?  0xFFFF : 0xFF80;





	if(nic->mac == mac_82551_F || nic->mac == mac_82551_10) {

		for(i = 0; i < UCODE_SIZE; i++)

		for(i = 0; i < UCODE_SIZE; i++)

			cb->u.ucode[i] = cpu_to_le32(ucode[i]);

			cb->u.ucode[i] = cpu_to_le32(ucode[i]);

		cb->command = cpu_to_le16(cb_ucode);

		cb->command = cpu_to_le16(cb_ucode);

			return;

	} else

		}

		opts++;

	}



		cb->command = cpu_to_le16(cb_nop);

		cb->command = cpu_to_le16(cb_nop);

}

}