+// SPDX-License-Identifier: GPL-2.0+
/*
* Aquantia PHY drivers
*
- * SPDX-License-Identifier: GPL-2.0+
- *
* Copyright 2014 Freescale Semiconductor, Inc.
*/
#include <config.h>
#include <common.h>
+#include <dm.h>
#include <phy.h>
-
-#ifndef CONFIG_PHYLIB_10G
-#error The Aquantia PHY needs 10G support
-#endif
+#include <u-boot/crc.h>
+#include <malloc.h>
+#include <asm/byteorder.h>
+#include <fs.h>
#define AQUNTIA_10G_CTL 0x20
#define AQUNTIA_VENDOR_P1 0xc400
#define AQUNTIA_SPEED_LSB_MASK 0x2000
#define AQUNTIA_SPEED_MSB_MASK 0x40
+/* registers in MDIO_MMD_VEND1 region */
+#define GLOBAL_FIRMWARE_ID 0x20
+#define GLOBAL_FAULT 0xc850
+#define GLOBAL_RSTATUS_1 0xc885
+
+#define GLOBAL_STANDARD_CONTROL 0x0
+#define SOFT_RESET BIT(15)
+#define LOW_POWER BIT(11)
+
+#define MAILBOX_CONTROL 0x0200
+#define MAILBOX_EXECUTE BIT(15)
+#define MAILBOX_WRITE BIT(14)
+#define MAILBOX_RESET_CRC BIT(12)
+#define MAILBOX_BUSY BIT(8)
+
+#define MAILBOX_CRC 0x0201
+
+#define MAILBOX_ADDR_MSW 0x0202
+#define MAILBOX_ADDR_LSW 0x0203
+
+#define MAILBOX_DATA_MSW 0x0204
+#define MAILBOX_DATA_LSW 0x0205
+
+#define UP_CONTROL 0xc001
+#define UP_RESET BIT(15)
+#define UP_RUN_STALL_OVERRIDE BIT(6)
+#define UP_RUN_STALL BIT(0)
+
+/* addresses of memory segments in the phy */
+#define DRAM_BASE_ADDR 0x3FFE0000
+#define IRAM_BASE_ADDR 0x40000000
+
+/* firmware image format constants */
+#define VERSION_STRING_SIZE 0x40
+#define VERSION_STRING_OFFSET 0x0200
+#define HEADER_OFFSET 0x300
+
+#pragma pack(1)
+struct fw_header {
+ u8 padding[4];
+ u8 iram_offset[3];
+ u8 iram_size[3];
+ u8 dram_offset[3];
+ u8 dram_size[3];
+};
+
+#pragma pack()
+
+#if defined(CONFIG_PHY_AQUANTIA_UPLOAD_FW)
+static int aquantia_read_fw(u8 **fw_addr, size_t *fw_length)
+{
+ loff_t length, read;
+ int ret;
+ void *addr = NULL;
+
+ *fw_addr = NULL;
+ *fw_length = 0;
+ debug("Loading Acquantia microcode from %s %s\n",
+ CONFIG_PHY_AQUANTIA_FW_PART, CONFIG_PHY_AQUANTIA_FW_NAME);
+ ret = fs_set_blk_dev("mmc", CONFIG_PHY_AQUANTIA_FW_PART, FS_TYPE_ANY);
+ if (ret < 0)
+ goto cleanup;
+
+ ret = fs_size(CONFIG_PHY_AQUANTIA_FW_NAME, &length);
+ if (ret < 0)
+ goto cleanup;
+
+ addr = malloc(length);
+ if (!addr) {
+ ret = -ENOMEM;
+ goto cleanup;
+ }
+
+ ret = fs_set_blk_dev("mmc", CONFIG_PHY_AQUANTIA_FW_PART, FS_TYPE_ANY);
+ if (ret < 0)
+ goto cleanup;
+
+ ret = fs_read(CONFIG_PHY_AQUANTIA_FW_NAME, (ulong)addr, 0, length,
+ &read);
+ if (ret < 0)
+ goto cleanup;
+
+ *fw_addr = addr;
+ *fw_length = length;
+ debug("Found Acquantia microcode.\n");
+
+cleanup:
+ if (ret < 0) {
+ printf("loading firmware file %s %s failed with error %d\n",
+ CONFIG_PHY_AQUANTIA_FW_PART,
+ CONFIG_PHY_AQUANTIA_FW_NAME, ret);
+ free(addr);
+ }
+ return ret;
+}
+
+/* load data into the phy's memory */
+static int aquantia_load_memory(struct phy_device *phydev, u32 addr,
+ const u8 *data, size_t len)
+{
+ size_t pos;
+ u16 crc = 0, up_crc;
+
+ phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_CONTROL, MAILBOX_RESET_CRC);
+ phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_ADDR_MSW, addr >> 16);
+ phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_ADDR_LSW, addr & 0xfffc);
+
+ for (pos = 0; pos < len; pos += min(sizeof(u32), len - pos)) {
+ u32 word = 0;
+
+ memcpy(&word, &data[pos], min(sizeof(u32), len - pos));
+
+ phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_DATA_MSW,
+ (word >> 16));
+ phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_DATA_LSW,
+ word & 0xffff);
+
+ phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_CONTROL,
+ MAILBOX_EXECUTE | MAILBOX_WRITE);
+
+ /* keep a big endian CRC to match the phy processor */
+ word = cpu_to_be32(word);
+ crc = crc16_ccitt(crc, (u8 *)&word, sizeof(word));
+ }
+
+ up_crc = phy_read(phydev, MDIO_MMD_VEND1, MAILBOX_CRC);
+ if (crc != up_crc) {
+ printf("%s crc mismatch: calculated 0x%04hx phy 0x%04hx\n",
+ phydev->dev->name, crc, up_crc);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static u32 unpack_u24(const u8 *data)
+{
+ return (data[2] << 16) + (data[1] << 8) + data[0];
+}
+
+static int aquantia_upload_firmware(struct phy_device *phydev)
+{
+ int ret;
+ u8 *addr = NULL;
+ size_t fw_length = 0;
+ u16 calculated_crc, read_crc;
+ char version[VERSION_STRING_SIZE];
+ u32 primary_offset, iram_offset, iram_size, dram_offset, dram_size;
+ const struct fw_header *header;
+
+ ret = aquantia_read_fw(&addr, &fw_length);
+ if (ret != 0)
+ return ret;
+
+ read_crc = (addr[fw_length - 2] << 8) | addr[fw_length - 1];
+ calculated_crc = crc16_ccitt(0, addr, fw_length - 2);
+ if (read_crc != calculated_crc) {
+ printf("%s bad firmware crc: file 0x%04x calculated 0x%04x\n",
+ phydev->dev->name, read_crc, calculated_crc);
+ ret = -EINVAL;
+ goto done;
+ }
+
+ /* Find the DRAM and IRAM sections within the firmware file. */
+ primary_offset = ((addr[9] & 0xf) << 8 | addr[8]) << 12;
+
+ header = (struct fw_header *)&addr[primary_offset + HEADER_OFFSET];
+
+ iram_offset = primary_offset + unpack_u24(header->iram_offset);
+ iram_size = unpack_u24(header->iram_size);
+
+ dram_offset = primary_offset + unpack_u24(header->dram_offset);
+ dram_size = unpack_u24(header->dram_size);
+
+ debug("primary %d iram offset=%d size=%d dram offset=%d size=%d\n",
+ primary_offset, iram_offset, iram_size, dram_offset, dram_size);
+
+ strlcpy(version, (char *)&addr[dram_offset + VERSION_STRING_OFFSET],
+ VERSION_STRING_SIZE);
+ printf("%s loading firmare version '%s'\n", phydev->dev->name, version);
+
+ /* stall the microcprocessor */
+ phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL,
+ UP_RUN_STALL | UP_RUN_STALL_OVERRIDE);
+
+ debug("loading dram 0x%08x from offset=%d size=%d\n",
+ DRAM_BASE_ADDR, dram_offset, dram_size);
+ ret = aquantia_load_memory(phydev, DRAM_BASE_ADDR, &addr[dram_offset],
+ dram_size);
+ if (ret != 0)
+ goto done;
+
+ debug("loading iram 0x%08x from offset=%d size=%d\n",
+ IRAM_BASE_ADDR, iram_offset, iram_size);
+ ret = aquantia_load_memory(phydev, IRAM_BASE_ADDR, &addr[iram_offset],
+ iram_size);
+ if (ret != 0)
+ goto done;
+
+ /* make sure soft reset and low power mode are clear */
+ phy_write(phydev, MDIO_MMD_VEND1, GLOBAL_STANDARD_CONTROL, 0);
+
+ /* Release the microprocessor. UP_RESET must be held for 100 usec. */
+ phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL,
+ UP_RUN_STALL | UP_RUN_STALL_OVERRIDE | UP_RESET);
+
+ udelay(100);
+
+ phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL, UP_RUN_STALL_OVERRIDE);
+
+ printf("%s firmare loading done.\n", phydev->dev->name);
+done:
+ free(addr);
+ return ret;
+}
+#else
+static int aquantia_upload_firmware(struct phy_device *phydev)
+{
+ printf("ERROR %s firmware loading disabled.\n", phydev->dev->name);
+ return -1;
+}
+#endif
+
int aquantia_config(struct phy_device *phydev)
{
- u32 val = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR);
+ u32 val, id, rstatus, fault;
+
+ id = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FIRMWARE_ID);
+ rstatus = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_RSTATUS_1);
+ fault = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FAULT);
+
+ if (id != 0)
+ printf("%s running firmware version %X.%X.%X\n",
+ phydev->dev->name, (id >> 8), id & 0xff,
+ (rstatus >> 4) & 0xf);
+
+ if (fault != 0)
+ printf("%s fault 0x%04x detected\n", phydev->dev->name, fault);
+
+ if (id == 0 || fault != 0) {
+ int ret;
+
+ ret = aquantia_upload_firmware(phydev);
+ if (ret != 0)
+ return ret;
+ }
+
+ val = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR);
if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
/* 1000BASE-T mode */
.shutdown = &gen10g_shutdown,
};
+struct phy_driver aqr106_driver = {
+ .name = "Aquantia AQR106",
+ .uid = 0x3a1b4d0,
+ .mask = 0xfffffff0,
+ .features = PHY_10G_FEATURES,
+ .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
+ MDIO_MMD_PHYXS | MDIO_MMD_AN |
+ MDIO_MMD_VEND1),
+ .config = &aquantia_config,
+ .startup = &aquantia_startup,
+ .shutdown = &gen10g_shutdown,
+};
+
+struct phy_driver aqr107_driver = {
+ .name = "Aquantia AQR107",
+ .uid = 0x3a1b4e0,
+ .mask = 0xfffffff0,
+ .features = PHY_10G_FEATURES,
+ .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
+ MDIO_MMD_PHYXS | MDIO_MMD_AN |
+ MDIO_MMD_VEND1),
+ .config = &aquantia_config,
+ .startup = &aquantia_startup,
+ .shutdown = &gen10g_shutdown,
+};
+
struct phy_driver aqr405_driver = {
.name = "Aquantia AQR405",
.uid = 0x3a1b4b2,
phy_register(&aq1202_driver);
phy_register(&aq2104_driver);
phy_register(&aqr105_driver);
+ phy_register(&aqr106_driver);
+ phy_register(&aqr107_driver);
phy_register(&aqr405_driver);
return 0;
projects / oweals / u-boot.git / blobdiff