]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commitdiff
tg3: Move tg3_nvram_write_block functions
authorMatt Carlson <mcarlson@broadcom.com>
Mon, 13 Feb 2012 10:20:09 +0000 (10:20 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 13 Feb 2012 20:57:32 +0000 (15:57 -0500)
This patch moves the tg3_nvram_write_block functions higher in the file
to eliminate a prototype.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/broadcom/tg3.c

index df04a58a55faa75c3fa750fcaf5bc8df8a4de0b0..bbe1394b11ad6608e4357eb501b493c661a9b3bc 100644 (file)
@@ -2978,6 +2978,256 @@ static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
        return res;
 }
 
+static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
+                                   u32 offset, u32 len, u8 *buf)
+{
+       int i, j, rc = 0;
+       u32 val;
+
+       for (i = 0; i < len; i += 4) {
+               u32 addr;
+               __be32 data;
+
+               addr = offset + i;
+
+               memcpy(&data, buf + i, 4);
+
+               /*
+                * The SEEPROM interface expects the data to always be opposite
+                * the native endian format.  We accomplish this by reversing
+                * all the operations that would have been performed on the
+                * data from a call to tg3_nvram_read_be32().
+                */
+               tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
+
+               val = tr32(GRC_EEPROM_ADDR);
+               tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
+
+               val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
+                       EEPROM_ADDR_READ);
+               tw32(GRC_EEPROM_ADDR, val |
+                       (0 << EEPROM_ADDR_DEVID_SHIFT) |
+                       (addr & EEPROM_ADDR_ADDR_MASK) |
+                       EEPROM_ADDR_START |
+                       EEPROM_ADDR_WRITE);
+
+               for (j = 0; j < 1000; j++) {
+                       val = tr32(GRC_EEPROM_ADDR);
+
+                       if (val & EEPROM_ADDR_COMPLETE)
+                               break;
+                       msleep(1);
+               }
+               if (!(val & EEPROM_ADDR_COMPLETE)) {
+                       rc = -EBUSY;
+                       break;
+               }
+       }
+
+       return rc;
+}
+
+/* offset and length are dword aligned */
+static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
+               u8 *buf)
+{
+       int ret = 0;
+       u32 pagesize = tp->nvram_pagesize;
+       u32 pagemask = pagesize - 1;
+       u32 nvram_cmd;
+       u8 *tmp;
+
+       tmp = kmalloc(pagesize, GFP_KERNEL);
+       if (tmp == NULL)
+               return -ENOMEM;
+
+       while (len) {
+               int j;
+               u32 phy_addr, page_off, size;
+
+               phy_addr = offset & ~pagemask;
+
+               for (j = 0; j < pagesize; j += 4) {
+                       ret = tg3_nvram_read_be32(tp, phy_addr + j,
+                                                 (__be32 *) (tmp + j));
+                       if (ret)
+                               break;
+               }
+               if (ret)
+                       break;
+
+               page_off = offset & pagemask;
+               size = pagesize;
+               if (len < size)
+                       size = len;
+
+               len -= size;
+
+               memcpy(tmp + page_off, buf, size);
+
+               offset = offset + (pagesize - page_off);
+
+               tg3_enable_nvram_access(tp);
+
+               /*
+                * Before we can erase the flash page, we need
+                * to issue a special "write enable" command.
+                */
+               nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
+
+               if (tg3_nvram_exec_cmd(tp, nvram_cmd))
+                       break;
+
+               /* Erase the target page */
+               tw32(NVRAM_ADDR, phy_addr);
+
+               nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
+                       NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
+
+               if (tg3_nvram_exec_cmd(tp, nvram_cmd))
+                       break;
+
+               /* Issue another write enable to start the write. */
+               nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
+
+               if (tg3_nvram_exec_cmd(tp, nvram_cmd))
+                       break;
+
+               for (j = 0; j < pagesize; j += 4) {
+                       __be32 data;
+
+                       data = *((__be32 *) (tmp + j));
+
+                       tw32(NVRAM_WRDATA, be32_to_cpu(data));
+
+                       tw32(NVRAM_ADDR, phy_addr + j);
+
+                       nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
+                               NVRAM_CMD_WR;
+
+                       if (j == 0)
+                               nvram_cmd |= NVRAM_CMD_FIRST;
+                       else if (j == (pagesize - 4))
+                               nvram_cmd |= NVRAM_CMD_LAST;
+
+                       ret = tg3_nvram_exec_cmd(tp, nvram_cmd);
+                       if (ret)
+                               break;
+               }
+               if (ret)
+                       break;
+       }
+
+       nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
+       tg3_nvram_exec_cmd(tp, nvram_cmd);
+
+       kfree(tmp);
+
+       return ret;
+}
+
+/* offset and length are dword aligned */
+static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
+               u8 *buf)
+{
+       int i, ret = 0;
+
+       for (i = 0; i < len; i += 4, offset += 4) {
+               u32 page_off, phy_addr, nvram_cmd;
+               __be32 data;
+
+               memcpy(&data, buf + i, 4);
+               tw32(NVRAM_WRDATA, be32_to_cpu(data));
+
+               page_off = offset % tp->nvram_pagesize;
+
+               phy_addr = tg3_nvram_phys_addr(tp, offset);
+
+               tw32(NVRAM_ADDR, phy_addr);
+
+               nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
+
+               if (page_off == 0 || i == 0)
+                       nvram_cmd |= NVRAM_CMD_FIRST;
+               if (page_off == (tp->nvram_pagesize - 4))
+                       nvram_cmd |= NVRAM_CMD_LAST;
+
+               if (i == (len - 4))
+                       nvram_cmd |= NVRAM_CMD_LAST;
+
+               if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
+                   !tg3_flag(tp, 5755_PLUS) &&
+                   (tp->nvram_jedecnum == JEDEC_ST) &&
+                   (nvram_cmd & NVRAM_CMD_FIRST)) {
+                       u32 cmd;
+
+                       cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
+                       ret = tg3_nvram_exec_cmd(tp, cmd);
+                       if (ret)
+                               break;
+               }
+               if (!tg3_flag(tp, FLASH)) {
+                       /* We always do complete word writes to eeprom. */
+                       nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
+               }
+
+               ret = tg3_nvram_exec_cmd(tp, nvram_cmd);
+               if (ret)
+                       break;
+       }
+       return ret;
+}
+
+/* offset and length are dword aligned */
+static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
+{
+       int ret;
+
+       if (tg3_flag(tp, EEPROM_WRITE_PROT)) {
+               tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
+                      ~GRC_LCLCTRL_GPIO_OUTPUT1);
+               udelay(40);
+       }
+
+       if (!tg3_flag(tp, NVRAM)) {
+               ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
+       } else {
+               u32 grc_mode;
+
+               ret = tg3_nvram_lock(tp);
+               if (ret)
+                       return ret;
+
+               tg3_enable_nvram_access(tp);
+               if (tg3_flag(tp, 5750_PLUS) && !tg3_flag(tp, PROTECTED_NVRAM))
+                       tw32(NVRAM_WRITE1, 0x406);
+
+               grc_mode = tr32(GRC_MODE);
+               tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
+
+               if (tg3_flag(tp, NVRAM_BUFFERED) || !tg3_flag(tp, FLASH)) {
+                       ret = tg3_nvram_write_block_buffered(tp, offset, len,
+                               buf);
+               } else {
+                       ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
+                               buf);
+               }
+
+               grc_mode = tr32(GRC_MODE);
+               tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
+
+               tg3_disable_nvram_access(tp);
+               tg3_nvram_unlock(tp);
+       }
+
+       if (tg3_flag(tp, EEPROM_WRITE_PROT)) {
+               tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
+               udelay(40);
+       }
+
+       return ret;
+}
+
 #define RX_CPU_SCRATCH_BASE    0x30000
 #define RX_CPU_SCRATCH_SIZE    0x04000
 #define TX_CPU_SCRATCH_BASE    0x34000
@@ -10147,8 +10397,6 @@ static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
        return 0;
 }
 
-static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
-
 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
 {
        struct tg3 *tp = netdev_priv(dev);
@@ -12745,254 +12993,6 @@ static void __devinit tg3_nvram_init(struct tg3 *tp)
        }
 }
 
-static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
-                                   u32 offset, u32 len, u8 *buf)
-{
-       int i, j, rc = 0;
-       u32 val;
-
-       for (i = 0; i < len; i += 4) {
-               u32 addr;
-               __be32 data;
-
-               addr = offset + i;
-
-               memcpy(&data, buf + i, 4);
-
-               /*
-                * The SEEPROM interface expects the data to always be opposite
-                * the native endian format.  We accomplish this by reversing
-                * all the operations that would have been performed on the
-                * data from a call to tg3_nvram_read_be32().
-                */
-               tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
-
-               val = tr32(GRC_EEPROM_ADDR);
-               tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
-
-               val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
-                       EEPROM_ADDR_READ);
-               tw32(GRC_EEPROM_ADDR, val |
-                       (0 << EEPROM_ADDR_DEVID_SHIFT) |
-                       (addr & EEPROM_ADDR_ADDR_MASK) |
-                       EEPROM_ADDR_START |
-                       EEPROM_ADDR_WRITE);
-
-               for (j = 0; j < 1000; j++) {
-                       val = tr32(GRC_EEPROM_ADDR);
-
-                       if (val & EEPROM_ADDR_COMPLETE)
-                               break;
-                       msleep(1);
-               }
-               if (!(val & EEPROM_ADDR_COMPLETE)) {
-                       rc = -EBUSY;
-                       break;
-               }
-       }
-
-       return rc;
-}
-
-/* offset and length are dword aligned */
-static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
-               u8 *buf)
-{
-       int ret = 0;
-       u32 pagesize = tp->nvram_pagesize;
-       u32 pagemask = pagesize - 1;
-       u32 nvram_cmd;
-       u8 *tmp;
-
-       tmp = kmalloc(pagesize, GFP_KERNEL);
-       if (tmp == NULL)
-               return -ENOMEM;
-
-       while (len) {
-               int j;
-               u32 phy_addr, page_off, size;
-
-               phy_addr = offset & ~pagemask;
-
-               for (j = 0; j < pagesize; j += 4) {
-                       ret = tg3_nvram_read_be32(tp, phy_addr + j,
-                                                 (__be32 *) (tmp + j));
-                       if (ret)
-                               break;
-               }
-               if (ret)
-                       break;
-
-               page_off = offset & pagemask;
-               size = pagesize;
-               if (len < size)
-                       size = len;
-
-               len -= size;
-
-               memcpy(tmp + page_off, buf, size);
-
-               offset = offset + (pagesize - page_off);
-
-               tg3_enable_nvram_access(tp);
-
-               /*
-                * Before we can erase the flash page, we need
-                * to issue a special "write enable" command.
-                */
-               nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
-
-               if (tg3_nvram_exec_cmd(tp, nvram_cmd))
-                       break;
-
-               /* Erase the target page */
-               tw32(NVRAM_ADDR, phy_addr);
-
-               nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
-                       NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
-
-               if (tg3_nvram_exec_cmd(tp, nvram_cmd))
-                       break;
-
-               /* Issue another write enable to start the write. */
-               nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
-
-               if (tg3_nvram_exec_cmd(tp, nvram_cmd))
-                       break;
-
-               for (j = 0; j < pagesize; j += 4) {
-                       __be32 data;
-
-                       data = *((__be32 *) (tmp + j));
-
-                       tw32(NVRAM_WRDATA, be32_to_cpu(data));
-
-                       tw32(NVRAM_ADDR, phy_addr + j);
-
-                       nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
-                               NVRAM_CMD_WR;
-
-                       if (j == 0)
-                               nvram_cmd |= NVRAM_CMD_FIRST;
-                       else if (j == (pagesize - 4))
-                               nvram_cmd |= NVRAM_CMD_LAST;
-
-                       if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
-                               break;
-               }
-               if (ret)
-                       break;
-       }
-
-       nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
-       tg3_nvram_exec_cmd(tp, nvram_cmd);
-
-       kfree(tmp);
-
-       return ret;
-}
-
-/* offset and length are dword aligned */
-static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
-               u8 *buf)
-{
-       int i, ret = 0;
-
-       for (i = 0; i < len; i += 4, offset += 4) {
-               u32 page_off, phy_addr, nvram_cmd;
-               __be32 data;
-
-               memcpy(&data, buf + i, 4);
-               tw32(NVRAM_WRDATA, be32_to_cpu(data));
-
-               page_off = offset % tp->nvram_pagesize;
-
-               phy_addr = tg3_nvram_phys_addr(tp, offset);
-
-               tw32(NVRAM_ADDR, phy_addr);
-
-               nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
-
-               if (page_off == 0 || i == 0)
-                       nvram_cmd |= NVRAM_CMD_FIRST;
-               if (page_off == (tp->nvram_pagesize - 4))
-                       nvram_cmd |= NVRAM_CMD_LAST;
-
-               if (i == (len - 4))
-                       nvram_cmd |= NVRAM_CMD_LAST;
-
-               if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
-                   !tg3_flag(tp, 5755_PLUS) &&
-                   (tp->nvram_jedecnum == JEDEC_ST) &&
-                   (nvram_cmd & NVRAM_CMD_FIRST)) {
-
-                       if ((ret = tg3_nvram_exec_cmd(tp,
-                               NVRAM_CMD_WREN | NVRAM_CMD_GO |
-                               NVRAM_CMD_DONE)))
-
-                               break;
-               }
-               if (!tg3_flag(tp, FLASH)) {
-                       /* We always do complete word writes to eeprom. */
-                       nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
-               }
-
-               if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
-                       break;
-       }
-       return ret;
-}
-
-/* offset and length are dword aligned */
-static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
-{
-       int ret;
-
-       if (tg3_flag(tp, EEPROM_WRITE_PROT)) {
-               tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
-                      ~GRC_LCLCTRL_GPIO_OUTPUT1);
-               udelay(40);
-       }
-
-       if (!tg3_flag(tp, NVRAM)) {
-               ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
-       } else {
-               u32 grc_mode;
-
-               ret = tg3_nvram_lock(tp);
-               if (ret)
-                       return ret;
-
-               tg3_enable_nvram_access(tp);
-               if (tg3_flag(tp, 5750_PLUS) && !tg3_flag(tp, PROTECTED_NVRAM))
-                       tw32(NVRAM_WRITE1, 0x406);
-
-               grc_mode = tr32(GRC_MODE);
-               tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
-
-               if (tg3_flag(tp, NVRAM_BUFFERED) || !tg3_flag(tp, FLASH)) {
-                       ret = tg3_nvram_write_block_buffered(tp, offset, len,
-                               buf);
-               } else {
-                       ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
-                               buf);
-               }
-
-               grc_mode = tr32(GRC_MODE);
-               tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
-
-               tg3_disable_nvram_access(tp);
-               tg3_nvram_unlock(tp);
-       }
-
-       if (tg3_flag(tp, EEPROM_WRITE_PROT)) {
-               tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
-               udelay(40);
-       }
-
-       return ret;
-}
-
 struct subsys_tbl_ent {
        u16 subsys_vendor, subsys_devid;
        u32 phy_id;