return (readl(tp->regs + off));
}
+static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
+{
+ writel(val, tp->aperegs + off);
+}
+
+static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
+{
+ return (readl(tp->aperegs + off));
+}
+
static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
{
unsigned long flags;
spin_unlock_irqrestore(&tp->indirect_lock, flags);
}
+static void tg3_ape_lock_init(struct tg3 *tp)
+{
+ int i;
+
+ /* Make sure the driver hasn't any stale locks. */
+ for (i = 0; i < 8; i++)
+ tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
+ APE_LOCK_GRANT_DRIVER);
+}
+
+static int tg3_ape_lock(struct tg3 *tp, int locknum)
+{
+ int i, off;
+ int ret = 0;
+ u32 status;
+
+ if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
+ return 0;
+
+ switch (locknum) {
+ case TG3_APE_LOCK_MEM:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ off = 4 * locknum;
+
+ tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
+
+ /* Wait for up to 1 millisecond to acquire lock. */
+ for (i = 0; i < 100; i++) {
+ status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
+ if (status == APE_LOCK_GRANT_DRIVER)
+ break;
+ udelay(10);
+ }
+
+ if (status != APE_LOCK_GRANT_DRIVER) {
+ /* Revoke the lock request. */
+ tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
+ APE_LOCK_GRANT_DRIVER);
+
+ ret = -EBUSY;
+ }
+
+ return ret;
+}
+
+static void tg3_ape_unlock(struct tg3 *tp, int locknum)
+{
+ int off;
+
+ if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
+ return;
+
+ switch (locknum) {
+ case TG3_APE_LOCK_MEM:
+ break;
+ default:
+ return;
+ }
+
+ off = 4 * locknum;
+ tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
+}
+
static void tg3_disable_ints(struct tg3 *tp)
{
tw32(TG3PCI_MISC_HOST_CTRL,
}
if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
- !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
+ !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
+ !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
tg3_power_down_phy(tp);
tg3_frob_aux_power(tp);
}
}
+static void tg3_ape_send_event(struct tg3 *tp, u32 event)
+{
+ int i;
+ u32 apedata;
+
+ apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
+ if (apedata != APE_SEG_SIG_MAGIC)
+ return;
+
+ apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
+ if (apedata != APE_FW_STATUS_READY)
+ return;
+
+ /* Wait for up to 1 millisecond for APE to service previous event. */
+ for (i = 0; i < 10; i++) {
+ if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
+ return;
+
+ apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
+
+ if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
+ tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
+ event | APE_EVENT_STATUS_EVENT_PENDING);
+
+ tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
+
+ if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
+ break;
+
+ udelay(100);
+ }
+
+ if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
+ tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
+}
+
+static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
+{
+ u32 event;
+ u32 apedata;
+
+ if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
+ return;
+
+ switch (kind) {
+ case RESET_KIND_INIT:
+ tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
+ APE_HOST_SEG_SIG_MAGIC);
+ tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
+ APE_HOST_SEG_LEN_MAGIC);
+ apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
+ tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
+ tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
+ APE_HOST_DRIVER_ID_MAGIC);
+ tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
+ APE_HOST_BEHAV_NO_PHYLOCK);
+
+ event = APE_EVENT_STATUS_STATE_START;
+ break;
+ case RESET_KIND_SHUTDOWN:
+ event = APE_EVENT_STATUS_STATE_UNLOAD;
+ break;
+ case RESET_KIND_SUSPEND:
+ event = APE_EVENT_STATUS_STATE_SUSPEND;
+ break;
+ default:
+ return;
+ }
+
+ event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
+
+ tg3_ape_send_event(tp, event);
+}
+
/* tp->lock is held. */
static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
{
break;
};
}
+
+ if (kind == RESET_KIND_INIT ||
+ kind == RESET_KIND_SUSPEND)
+ tg3_ape_driver_state_change(tp, kind);
}
/* tp->lock is held. */
break;
};
}
+
+ if (kind == RESET_KIND_SHUTDOWN)
+ tg3_ape_driver_state_change(tp, kind);
}
/* tp->lock is held. */
if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
(tp->tg3_flags & TG3_FLAG_PCIX_MODE))
val |= PCISTATE_RETRY_SAME_DMA;
+ /* Allow reads and writes to the APE register and memory space. */
+ if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
+ val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
+ PCISTATE_ALLOW_APE_SHMEM_WR;
pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
pci_write_config_dword(tp->pdev, TG3PCI_COMMAND, tp->pci_cmd);
/* tp->lock is held. */
static void tg3_stop_fw(struct tg3 *tp)
{
- if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
+ if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
+ !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
u32 val;
int i;
tw32(TG3PCI_PCISTATE, val);
}
+ if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
+ /* Allow reads and writes to the
+ * APE register and memory space.
+ */
+ val = tr32(TG3PCI_PCISTATE);
+ val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
+ PCISTATE_ALLOW_APE_SHMEM_WR;
+ tw32(TG3PCI_PCISTATE, val);
+ }
+
if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
/* Enable some hw fixes. */
val = tr32(TG3PCI_MSI_DATA);
break;
};
+ /* Write our heartbeat update interval to APE. */
+ tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
+ APE_HOST_HEARTBEAT_INT_DISABLE);
+
tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
return 0;
if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
}
+ if (nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE)
+ tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
!(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
* firwmare access to the PHY hardware.
*/
err = 0;
- if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
+ if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
+ (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
} else {
/* Now read the physical PHY_ID from the chip and verify
}
if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
+ !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
u32 bmsr, adv_reg, tg3_ctrl, mask;
*/
tg3_get_eeprom_hw_cfg(tp);
+ if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
+ /* Allow reads and writes to the
+ * APE register and memory space.
+ */
+ pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
+ PCISTATE_ALLOW_APE_SHMEM_WR;
+ pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
+ pci_state_reg);
+ }
+
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784)
tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
tg3_init_coal(tp);
+ if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
+ if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
+ printk(KERN_ERR PFX "Cannot find proper PCI device "
+ "base address for APE, aborting.\n");
+ err = -ENODEV;
+ goto err_out_iounmap;
+ }
+
+ tg3reg_base = pci_resource_start(pdev, 2);
+ tg3reg_len = pci_resource_len(pdev, 2);
+
+ tp->aperegs = ioremap_nocache(tg3reg_base, tg3reg_len);
+ if (tp->aperegs == 0UL) {
+ printk(KERN_ERR PFX "Cannot map APE registers, "
+ "aborting.\n");
+ err = -ENOMEM;
+ goto err_out_iounmap;
+ }
+
+ tg3_ape_lock_init(tp);
+ }
+
pci_set_drvdata(pdev, dev);
err = register_netdev(dev);
if (err) {
printk(KERN_ERR PFX "Cannot register net device, "
"aborting.\n");
- goto err_out_iounmap;
+ goto err_out_apeunmap;
}
printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %s Ethernet ",
return 0;
+err_out_apeunmap:
+ if (tp->aperegs) {
+ iounmap(tp->aperegs);
+ tp->aperegs = NULL;
+ }
+
err_out_iounmap:
if (tp->regs) {
iounmap(tp->regs);
flush_scheduled_work();
unregister_netdev(dev);
+ if (tp->aperegs) {
+ iounmap(tp->aperegs);
+ tp->aperegs = NULL;
+ }
if (tp->regs) {
iounmap(tp->regs);
tp->regs = NULL;
#define PCISTATE_ROM_RETRY_ENABLE 0x00000040
#define PCISTATE_FLAT_VIEW 0x00000100
#define PCISTATE_RETRY_SAME_DMA 0x00002000
+#define PCISTATE_ALLOW_APE_CTLSPC_WR 0x00010000
+#define PCISTATE_ALLOW_APE_SHMEM_WR 0x00020000
#define TG3PCI_CLOCK_CTRL 0x00000074
#define CLOCK_CTRL_CORECLK_DISABLE 0x00000200
#define CLOCK_CTRL_RXCLK_DISABLE 0x00000400
#define NIC_SRAM_DATA_CFG_MINI_PCI 0x00001000
#define NIC_SRAM_DATA_CFG_FIBER_WOL 0x00004000
#define NIC_SRAM_DATA_CFG_NO_GPIO2 0x00100000
+#define NIC_SRAM_DATA_CFG_APE_ENABLE 0x00200000
#define NIC_SRAM_DATA_VER 0x00000b5c
#define NIC_SRAM_DATA_VER_SHIFT 16
#define MII_TG3_TEST1_TRIM_EN 0x0010
#define MII_TG3_TEST1_CRC_EN 0x8000
+/* APE registers. Accessible through BAR1 */
+#define TG3_APE_EVENT 0x000c
+#define APE_EVENT_1 0x00000001
+#define TG3_APE_LOCK_REQ 0x002c
+#define APE_LOCK_REQ_DRIVER 0x00001000
+#define TG3_APE_LOCK_GRANT 0x004c
+#define APE_LOCK_GRANT_DRIVER 0x00001000
+#define TG3_APE_SEG_SIG 0x4000
+#define APE_SEG_SIG_MAGIC 0x41504521
+
+/* APE shared memory. Accessible through BAR1 */
+#define TG3_APE_FW_STATUS 0x400c
+#define APE_FW_STATUS_READY 0x00000100
+#define TG3_APE_HOST_SEG_SIG 0x4200
+#define APE_HOST_SEG_SIG_MAGIC 0x484f5354
+#define TG3_APE_HOST_SEG_LEN 0x4204
+#define APE_HOST_SEG_LEN_MAGIC 0x0000001c
+#define TG3_APE_HOST_INIT_COUNT 0x4208
+#define TG3_APE_HOST_DRIVER_ID 0x420c
+#define APE_HOST_DRIVER_ID_MAGIC 0xf0035100
+#define TG3_APE_HOST_BEHAVIOR 0x4210
+#define APE_HOST_BEHAV_NO_PHYLOCK 0x00000001
+#define TG3_APE_HOST_HEARTBEAT_INT_MS 0x4214
+#define APE_HOST_HEARTBEAT_INT_DISABLE 0
+#define APE_HOST_HEARTBEAT_INT_5SEC 5000
+#define TG3_APE_HOST_HEARTBEAT_COUNT 0x4218
+
+#define TG3_APE_EVENT_STATUS 0x4300
+
+#define APE_EVENT_STATUS_DRIVER_EVNT 0x00000010
+#define APE_EVENT_STATUS_STATE_CHNGE 0x00000500
+#define APE_EVENT_STATUS_STATE_START 0x00010000
+#define APE_EVENT_STATUS_STATE_UNLOAD 0x00020000
+#define APE_EVENT_STATUS_STATE_WOL 0x00030000
+#define APE_EVENT_STATUS_STATE_SUSPEND 0x00040000
+#define APE_EVENT_STATUS_EVENT_PENDING 0x80000000
+
+/* APE convenience enumerations. */
+#define TG3_APE_LOCK_MEM 4
+
+
/* There are two ways to manage the TX descriptors on the tigon3.
* Either the descriptors are in host DMA'able memory, or they
* exist only in the cards on-chip SRAM. All 16 send bds are under
void (*write32_mbox) (struct tg3 *, u32,
u32);
void __iomem *regs;
+ void __iomem *aperegs;
struct net_device *dev;
struct pci_dev *pdev;
#define TG3_FLG2_PHY_ADJUST_TRIM 0x80000000
u32 tg3_flags3;
#define TG3_FLG3_NO_NVRAM_ADDR_TRANS 0x00000001
+#define TG3_FLG3_ENABLE_APE 0x00000002
struct timer_list timer;
u16 timer_counter;
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff