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Commit bc7f0a05 authored by Eilon Greenstein's avatar Eilon Greenstein Committed by David S. Miller
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bnx2x: BCM8727 FW load 



The BCM8727 is a dual port PHY. The FW must be loaded in a given order on all
designs - including those which swapped the ports (calling port number zero the
second port)

Signed-off-by: default avatarYaniv Rosner <yanivr@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 97b41dad

drivers/net/bnx2x_link.c

+9 −7
Original line number Diff line number Diff line
@@ -6430,7 +6430,7 @@ static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, u32 shmem_base) 
static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp, u32 shmem_base)

{

	u8 ext_phy_addr[PORT_MAX];

	s8 port;

	s8 port, first_port, i;

	u32 swap_val, swap_override;

	DP(NETIF_MSG_LINK, "Executing BCM8727 common init\n");

	swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
@@ -6439,8 +6439,13 @@ static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp, u32 shmem_base) 
	bnx2x_hw_reset(bp, 1 ^ (swap_val && swap_override));

	msleep(5);



	if (swap_val && swap_override)

		first_port = PORT_0;

	else

		first_port = PORT_1;



	/* PART1 - Reset both phys */

	for (port = PORT_MAX - 1; port >= PORT_0; port--) {

	for (i = 0, port = first_port; i < PORT_MAX; i++, port = !port) {

		/* Extract the ext phy address for the port */

		u32 ext_phy_config = REG_RD(bp, shmem_base +

					offsetof(struct shmem_region,
@@ -6470,7 +6475,7 @@ static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp, u32 shmem_base) 
	msleep(150);



	/* PART2 - Download firmware to both phys */

	for (port = PORT_MAX - 1; port >= PORT_0; port--) {

	for (i = 0, port = first_port; i < PORT_MAX; i++, port = !port) {

		u16 fw_ver1;



		bnx2x_bcm8727_external_rom_boot(bp, port,
@@ -6482,16 +6487,13 @@ static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp, u32 shmem_base) 
			      MDIO_PMA_REG_ROM_VER1, &fw_ver1);

		if (fw_ver1 == 0 || fw_ver1 == 0x4321) {

			DP(NETIF_MSG_LINK,

				 "bnx2x_8073_common_init_phy port %x:"

				 "bnx2x_8727_common_init_phy port %x:"

				 "Download failed. fw version = 0x%x\n",

				 port, fw_ver1);

			return -EINVAL;

		}



	}







	return 0;

}