netxen: fix firmware download

o hold the firmware in memory across suspend, since filesystem
  may not be up after resuming.
o reset the chip after requesting firmware, to minimize downtime
  for NC-SI.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 195 deletions

diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index db53d9c..9f5ced3 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -32,7 +32,6 @@
 #include "netxen_nic_hw.h"
 #include "netxen_nic_phan_reg.h"
 
-#include <linux/firmware.h>
 #include <net/ip.h>
 
 #define MASK(n) ((1ULL<<(n))-1)
@@ -1016,200 +1015,6 @@ netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong *off)
 		(ulong)adapter->ahw.pci_base0;
 }
 
-static int
-netxen_do_load_firmware(struct netxen_adapter *adapter, const char *fwname,
-		const struct firmware *fw)
-{
-	u64 *ptr64;
-	u32 i, flashaddr, size;
-	struct pci_dev *pdev = adapter->pdev;
-
-	if (fw)
-		dev_info(&pdev->dev, "loading firmware from file %s\n", fwname);
-	else
-		dev_info(&pdev->dev, "loading firmware from flash\n");
-
-	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
-		NXWR32(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 1);
-
-	if (fw) {
-		__le64 data;
-
-		size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 8;
-
-		ptr64 = (u64 *)&fw->data[NETXEN_BOOTLD_START];
-		flashaddr = NETXEN_BOOTLD_START;
-
-		for (i = 0; i < size; i++) {
-			data = cpu_to_le64(ptr64[i]);
-			adapter->pci_mem_write(adapter, flashaddr, &data, 8);
-			flashaddr += 8;
-		}
-
-		size = *(u32 *)&fw->data[NX_FW_SIZE_OFFSET];
-		size = (__force u32)cpu_to_le32(size) / 8;
-
-		ptr64 = (u64 *)&fw->data[NETXEN_IMAGE_START];
-		flashaddr = NETXEN_IMAGE_START;
-
-		for (i = 0; i < size; i++) {
-			data = cpu_to_le64(ptr64[i]);
-
-			if (adapter->pci_mem_write(adapter,
-						flashaddr, &data, 8))
-				return -EIO;
-
-			flashaddr += 8;
-		}
-	} else {
-		u32 data;
-
-		size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 4;
-		flashaddr = NETXEN_BOOTLD_START;
-
-		for (i = 0; i < size; i++) {
-			if (netxen_rom_fast_read(adapter,
-					flashaddr, (int *)&data) != 0)
-				return -EIO;
-
-			if (adapter->pci_mem_write(adapter,
-						flashaddr, &data, 4))
-				return -EIO;
-
-			flashaddr += 4;
-		}
-	}
-	msleep(1);
-
-	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
-		NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0x80001d);
-	else {
-		NXWR32(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff);
-		NXWR32(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 0);
-	}
-
-	return 0;
-}
-
-static int
-netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname,
-		const struct firmware *fw)
-{
-	__le32 val;
-	u32 major, minor, build, ver, min_ver, bios;
-	struct pci_dev *pdev = adapter->pdev;
-
-	if (fw->size < NX_FW_MIN_SIZE)
-		return -EINVAL;
-
-	val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_MAGIC_OFFSET]);
-	if ((__force u32)val != NETXEN_BDINFO_MAGIC)
-		return -EINVAL;
-
-	val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]);
-	major = (__force u32)val & 0xff;
-	minor = ((__force u32)val >> 8) & 0xff;
-	build = (__force u32)val >> 16;
-
-	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
-		min_ver = NETXEN_VERSION_CODE(4, 0, 216);
-	else
-		min_ver = NETXEN_VERSION_CODE(3, 4, 216);
-
-	ver = NETXEN_VERSION_CODE(major, minor, build);
-
-	if ((major > _NETXEN_NIC_LINUX_MAJOR) || (ver < min_ver)) {
-		dev_err(&pdev->dev,
-				"%s: firmware version %d.%d.%d unsupported\n",
-				fwname, major, minor, build);
-		return -EINVAL;
-	}
-
-	val = cpu_to_le32(*(u32 *)&fw->data[NX_BIOS_VERSION_OFFSET]);
-	netxen_rom_fast_read(adapter, NX_BIOS_VERSION_OFFSET, (int *)&bios);
-	if ((__force u32)val != bios) {
-		dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
-				fwname);
-		return -EINVAL;
-	}
-
-	/* check if flashed firmware is newer */
-	if (netxen_rom_fast_read(adapter,
-			NX_FW_VERSION_OFFSET, (int *)&val))
-		return -EIO;
-	major = (__force u32)val & 0xff;
-	minor = ((__force u32)val >> 8) & 0xff;
-	build = (__force u32)val >> 16;
-	if (NETXEN_VERSION_CODE(major, minor, build) > ver)
-		return -EINVAL;
-
-	NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
-	return 0;
-}
-
-static char *fw_name[] = { "nxromimg.bin", "nx3fwct.bin", "nx3fwmn.bin" };
-
-int netxen_load_firmware(struct netxen_adapter *adapter)
-{
-	u32 capability, flashed_ver;
-	const struct firmware *fw;
-	int fw_type;
-	struct pci_dev *pdev = adapter->pdev;
-	int rc = 0;
-
-	if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
-		fw_type = NX_P2_MN_ROMIMAGE;
-		goto request_fw;
-	} else {
-		fw_type = NX_P3_CT_ROMIMAGE;
-		goto request_fw;
-	}
-
-request_mn:
-	capability = 0;
-
-	netxen_rom_fast_read(adapter,
-			NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
-	if (flashed_ver >= NETXEN_VERSION_CODE(4, 0, 220)) {
-		capability = NXRD32(adapter, NX_PEG_TUNE_CAPABILITY);
-		if (capability & NX_PEG_TUNE_MN_PRESENT) {
-			fw_type = NX_P3_MN_ROMIMAGE;
-			goto request_fw;
-		}
-	}
-
-request_fw:
-	rc = request_firmware(&fw, fw_name[fw_type], &pdev->dev);
-	if (rc != 0) {
-		if (fw_type == NX_P3_CT_ROMIMAGE) {
-			msleep(1);
-			goto request_mn;
-		}
-
-		fw = NULL;
-		goto load_fw;
-	}
-
-	rc = netxen_validate_firmware(adapter, fw_name[fw_type], fw);
-	if (rc != 0) {
-		release_firmware(fw);
-
-		if (fw_type == NX_P3_CT_ROMIMAGE) {
-			msleep(1);
-			goto request_mn;
-		}
-
-		fw = NULL;
-	}
-
-load_fw:
-	rc = netxen_do_load_firmware(adapter, fw_name[fw_type], fw);
-
-	if (fw)
-		release_firmware(fw);
-	return rc;
-}
-
 int
 netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data)
 {