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Date: Sun, 10 Nov 2019 23:55:29 +0200
From: Oded Gabbay <oded.gabbay@...il.com>
To: linux-kernel@...r.kernel.org, oshpigelman@...ana.ai,
ttayar@...ana.ai
Cc: gregkh@...uxfoundation.org
Subject: [PATCH 2/6] habanalabs: use registers name defines for ETR block
We have a single ETR block in the SOC, so use explicit register
name defines for initializing this block. This makes it more readable and
maintainable.
Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>
---
drivers/misc/habanalabs/goya/goya_coresight.c | 51 ++++----
.../include/goya/asic_reg/goya_regs.h | 1 +
.../include/goya/asic_reg/psoc_etr_regs.h | 114 ++++++++++++++++++
3 files changed, 140 insertions(+), 26 deletions(-)
create mode 100644 drivers/misc/habanalabs/include/goya/asic_reg/psoc_etr_regs.h
diff --git a/drivers/misc/habanalabs/goya/goya_coresight.c b/drivers/misc/habanalabs/goya/goya_coresight.c
index b4d406af1bed..16bcd60b111f 100644
--- a/drivers/misc/habanalabs/goya/goya_coresight.c
+++ b/drivers/misc/habanalabs/goya/goya_coresight.c
@@ -377,33 +377,32 @@ static int goya_config_etr(struct hl_device *hdev,
struct hl_debug_params *params)
{
struct hl_debug_params_etr *input;
- u64 base_reg = mmPSOC_ETR_BASE - CFG_BASE;
u32 val;
int rc;
- WREG32(base_reg + 0xFB0, CORESIGHT_UNLOCK);
+ WREG32(mmPSOC_ETR_LAR, CORESIGHT_UNLOCK);
- val = RREG32(base_reg + 0x304);
+ val = RREG32(mmPSOC_ETR_FFCR);
val |= 0x1000;
- WREG32(base_reg + 0x304, val);
+ WREG32(mmPSOC_ETR_FFCR, val);
val |= 0x40;
- WREG32(base_reg + 0x304, val);
+ WREG32(mmPSOC_ETR_FFCR, val);
- rc = goya_coresight_timeout(hdev, base_reg + 0x304, 6, false);
+ rc = goya_coresight_timeout(hdev, mmPSOC_ETR_FFCR, 6, false);
if (rc) {
dev_err(hdev->dev, "Failed to %s ETR on timeout, error %d\n",
params->enable ? "enable" : "disable", rc);
return rc;
}
- rc = goya_coresight_timeout(hdev, base_reg + 0xC, 2, true);
+ rc = goya_coresight_timeout(hdev, mmPSOC_ETR_STS, 2, true);
if (rc) {
dev_err(hdev->dev, "Failed to %s ETR on timeout, error %d\n",
params->enable ? "enable" : "disable", rc);
return rc;
}
- WREG32(base_reg + 0x20, 0);
+ WREG32(mmPSOC_ETR_CTL, 0);
if (params->enable) {
input = params->input;
@@ -423,25 +422,25 @@ static int goya_config_etr(struct hl_device *hdev,
return -EINVAL;
}
- WREG32(base_reg + 0x34, 0x3FFC);
- WREG32(base_reg + 0x4, input->buffer_size);
- WREG32(base_reg + 0x28, input->sink_mode);
- WREG32(base_reg + 0x110, 0x700);
- WREG32(base_reg + 0x118,
+ WREG32(mmPSOC_ETR_BUFWM, 0x3FFC);
+ WREG32(mmPSOC_ETR_RSZ, input->buffer_size);
+ WREG32(mmPSOC_ETR_MODE, input->sink_mode);
+ WREG32(mmPSOC_ETR_AXICTL, 0x700);
+ WREG32(mmPSOC_ETR_DBALO,
lower_32_bits(input->buffer_address));
- WREG32(base_reg + 0x11C,
+ WREG32(mmPSOC_ETR_DBAHI,
upper_32_bits(input->buffer_address));
- WREG32(base_reg + 0x304, 3);
- WREG32(base_reg + 0x308, 0xA);
- WREG32(base_reg + 0x20, 1);
+ WREG32(mmPSOC_ETR_FFCR, 3);
+ WREG32(mmPSOC_ETR_PSCR, 0xA);
+ WREG32(mmPSOC_ETR_CTL, 1);
} else {
- WREG32(base_reg + 0x34, 0);
- WREG32(base_reg + 0x4, 0x400);
- WREG32(base_reg + 0x118, 0);
- WREG32(base_reg + 0x11C, 0);
- WREG32(base_reg + 0x308, 0);
- WREG32(base_reg + 0x28, 0);
- WREG32(base_reg + 0x304, 0);
+ WREG32(mmPSOC_ETR_BUFWM, 0);
+ WREG32(mmPSOC_ETR_RSZ, 0x400);
+ WREG32(mmPSOC_ETR_DBALO, 0);
+ WREG32(mmPSOC_ETR_DBAHI, 0);
+ WREG32(mmPSOC_ETR_PSCR, 0);
+ WREG32(mmPSOC_ETR_MODE, 0);
+ WREG32(mmPSOC_ETR_FFCR, 0);
if (params->output_size >= sizeof(u64)) {
u32 rwp, rwphi;
@@ -451,8 +450,8 @@ static int goya_config_etr(struct hl_device *hdev,
* the buffer is set in the RWP register (lower 32
* bits), and in the RWPHI register (upper 8 bits).
*/
- rwp = RREG32(base_reg + 0x18);
- rwphi = RREG32(base_reg + 0x3c) & 0xff;
+ rwp = RREG32(mmPSOC_ETR_RWP);
+ rwphi = RREG32(mmPSOC_ETR_RWPHI) & 0xff;
*(u64 *) params->output = ((u64) rwphi << 32) | rwp;
}
}
diff --git a/drivers/misc/habanalabs/include/goya/asic_reg/goya_regs.h b/drivers/misc/habanalabs/include/goya/asic_reg/goya_regs.h
index 19b0f0ef1d0b..fce490e6a231 100644
--- a/drivers/misc/habanalabs/include/goya/asic_reg/goya_regs.h
+++ b/drivers/misc/habanalabs/include/goya/asic_reg/goya_regs.h
@@ -84,6 +84,7 @@
#include "tpc6_rtr_regs.h"
#include "tpc7_nrtr_regs.h"
#include "tpc0_eml_cfg_regs.h"
+#include "psoc_etr_regs.h"
#include "psoc_global_conf_masks.h"
#include "dma_macro_masks.h"
diff --git a/drivers/misc/habanalabs/include/goya/asic_reg/psoc_etr_regs.h b/drivers/misc/habanalabs/include/goya/asic_reg/psoc_etr_regs.h
new file mode 100644
index 000000000000..b7c33e025db5
--- /dev/null
+++ b/drivers/misc/habanalabs/include/goya/asic_reg/psoc_etr_regs.h
@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright 2016-2018 HabanaLabs, Ltd.
+ * All Rights Reserved.
+ *
+ */
+
+/************************************
+ ** This is an auto-generated file **
+ ** DO NOT EDIT BELOW **
+ ************************************/
+
+#ifndef ASIC_REG_PSOC_ETR_REGS_H_
+#define ASIC_REG_PSOC_ETR_REGS_H_
+
+/*
+ *****************************************
+ * PSOC_ETR (Prototype: ETR)
+ *****************************************
+ */
+
+#define mmPSOC_ETR_RSZ 0x2C43004
+
+#define mmPSOC_ETR_STS 0x2C4300C
+
+#define mmPSOC_ETR_RRD 0x2C43010
+
+#define mmPSOC_ETR_RRP 0x2C43014
+
+#define mmPSOC_ETR_RWP 0x2C43018
+
+#define mmPSOC_ETR_TRG 0x2C4301C
+
+#define mmPSOC_ETR_CTL 0x2C43020
+
+#define mmPSOC_ETR_RWD 0x2C43024
+
+#define mmPSOC_ETR_MODE 0x2C43028
+
+#define mmPSOC_ETR_LBUFLEVEL 0x2C4302C
+
+#define mmPSOC_ETR_CBUFLEVEL 0x2C43030
+
+#define mmPSOC_ETR_BUFWM 0x2C43034
+
+#define mmPSOC_ETR_RRPHI 0x2C43038
+
+#define mmPSOC_ETR_RWPHI 0x2C4303C
+
+#define mmPSOC_ETR_AXICTL 0x2C43110
+
+#define mmPSOC_ETR_DBALO 0x2C43118
+
+#define mmPSOC_ETR_DBAHI 0x2C4311C
+
+#define mmPSOC_ETR_FFSR 0x2C43300
+
+#define mmPSOC_ETR_FFCR 0x2C43304
+
+#define mmPSOC_ETR_PSCR 0x2C43308
+
+#define mmPSOC_ETR_ITMISCOP0 0x2C43EE0
+
+#define mmPSOC_ETR_ITTRFLIN 0x2C43EE8
+
+#define mmPSOC_ETR_ITATBDATA0 0x2C43EEC
+
+#define mmPSOC_ETR_ITATBCTR2 0x2C43EF0
+
+#define mmPSOC_ETR_ITATBCTR1 0x2C43EF4
+
+#define mmPSOC_ETR_ITATBCTR0 0x2C43EF8
+
+#define mmPSOC_ETR_ITCTRL 0x2C43F00
+
+#define mmPSOC_ETR_CLAIMSET 0x2C43FA0
+
+#define mmPSOC_ETR_CLAIMCLR 0x2C43FA4
+
+#define mmPSOC_ETR_LAR 0x2C43FB0
+
+#define mmPSOC_ETR_LSR 0x2C43FB4
+
+#define mmPSOC_ETR_AUTHSTATUS 0x2C43FB8
+
+#define mmPSOC_ETR_DEVID 0x2C43FC8
+
+#define mmPSOC_ETR_DEVTYPE 0x2C43FCC
+
+#define mmPSOC_ETR_PERIPHID4 0x2C43FD0
+
+#define mmPSOC_ETR_PERIPHID5 0x2C43FD4
+
+#define mmPSOC_ETR_PERIPHID6 0x2C43FD8
+
+#define mmPSOC_ETR_PERIPHID7 0x2C43FDC
+
+#define mmPSOC_ETR_PERIPHID0 0x2C43FE0
+
+#define mmPSOC_ETR_PERIPHID1 0x2C43FE4
+
+#define mmPSOC_ETR_PERIPHID2 0x2C43FE8
+
+#define mmPSOC_ETR_PERIPHID3 0x2C43FEC
+
+#define mmPSOC_ETR_COMPID0 0x2C43FF0
+
+#define mmPSOC_ETR_COMPID1 0x2C43FF4
+
+#define mmPSOC_ETR_COMPID2 0x2C43FF8
+
+#define mmPSOC_ETR_COMPID3 0x2C43FFC
+
+#endif /* ASIC_REG_PSOC_ETR_REGS_H_ */
--
2.17.1
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