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// SPDX-License-Identifier: GPL-2.0-only
/* Atlantic Network Driver
* Copyright (C) 2020 Marvell International Ltd.
*/
#include <linux/iopoll.h>
#include "aq_hw_utils.h"
#include "hw_atl/hw_atl_utils.h"
#include "hw_atl2_utils.h"
#include "hw_atl2_llh.h"
#include "hw_atl2_llh_internal.h"
#define HW_ATL2_FW_VER_1X 0x01000000U
#define AQ_A2_BOOT_STARTED BIT(0x18)
#define AQ_A2_CRASH_INIT BIT(0x1B)
#define AQ_A2_BOOT_CODE_FAILED BIT(0x1C)
#define AQ_A2_FW_INIT_FAILED BIT(0x1D)
#define AQ_A2_FW_INIT_COMP_SUCCESS BIT(0x1F)
#define AQ_A2_FW_BOOT_FAILED_MASK (AQ_A2_CRASH_INIT | \
AQ_A2_BOOT_CODE_FAILED | \
AQ_A2_FW_INIT_FAILED)
#define AQ_A2_FW_BOOT_COMPLETE_MASK (AQ_A2_FW_BOOT_FAILED_MASK | \
AQ_A2_FW_INIT_COMP_SUCCESS)
#define AQ_A2_FW_BOOT_REQ_REBOOT BIT(0x0)
#define AQ_A2_FW_BOOT_REQ_HOST_BOOT BIT(0x8)
#define AQ_A2_FW_BOOT_REQ_MAC_FAST_BOOT BIT(0xA)
#define AQ_A2_FW_BOOT_REQ_PHY_FAST_BOOT BIT(0xB)
int hw_atl2_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops)
{
int err;
self->fw_ver_actual = hw_atl2_utils_get_fw_version(self);
if (hw_atl_utils_ver_match(HW_ATL2_FW_VER_1X,
self->fw_ver_actual) == 0) {
*fw_ops = &aq_a2_fw_ops;
} else {
aq_pr_err("Bad FW version detected: %x, but continue\n",
self->fw_ver_actual);
*fw_ops = &aq_a2_fw_ops;
}
aq_pr_trace("Detect ATL2FW %x\n", self->fw_ver_actual);
self->aq_fw_ops = *fw_ops;
err = self->aq_fw_ops->init(self);
self->chip_features |= ATL_HW_CHIP_ANTIGUA;
return err;
}
static bool hw_atl2_mcp_boot_complete(struct aq_hw_s *self)
{
u32 rbl_status;
rbl_status = hw_atl2_mif_mcp_boot_reg_get(self);
if (rbl_status & AQ_A2_FW_BOOT_COMPLETE_MASK)
return true;
/* Host boot requested */
if (hw_atl2_mif_host_req_int_get(self) & HW_ATL2_MCP_HOST_REQ_INT_READY)
return true;
return false;
}
int hw_atl2_utils_soft_reset(struct aq_hw_s *self)
{
bool rbl_complete = false;
u32 rbl_status = 0;
u32 rbl_request;
int err;
hw_atl2_mif_host_req_int_clr(self, 0x01);
rbl_request = AQ_A2_FW_BOOT_REQ_REBOOT;
#ifdef AQ_CFG_FAST_START
rbl_request |= AQ_A2_FW_BOOT_REQ_MAC_FAST_BOOT;
#endif
hw_atl2_mif_mcp_boot_reg_set(self, rbl_request);
/* Wait for RBL boot */
err = readx_poll_timeout_atomic(hw_atl2_mif_mcp_boot_reg_get, self,
rbl_status,
((rbl_status & AQ_A2_BOOT_STARTED) &&
(rbl_status != 0xFFFFFFFFu)),
10, 200000);
if (err) {
aq_pr_err("Boot code hanged");
goto err_exit;
}
err = readx_poll_timeout_atomic(hw_atl2_mcp_boot_complete, self,
rbl_complete,
rbl_complete,
10, 2000000);
if (err) {
aq_pr_err("FW Restart timed out");
goto err_exit;
}
rbl_status = hw_atl2_mif_mcp_boot_reg_get(self);
if (rbl_status & AQ_A2_FW_BOOT_FAILED_MASK) {
err = -EIO;
aq_pr_err("FW Restart failed");
goto err_exit;
}
if (hw_atl2_mif_host_req_int_get(self) &
HW_ATL2_MCP_HOST_REQ_INT_READY) {
err = -EIO;
aq_pr_err("No FW detected. Dynamic FW load not implemented");
goto err_exit;
}
if (self->aq_fw_ops) {
err = self->aq_fw_ops->init(self);
if (err) {
aq_pr_err("FW Init failed");
goto err_exit;
}
}
err_exit:
return err;
}
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