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-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.c213
1 files changed, 213 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.c b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.c
new file mode 100644
index 000000000..e31a4fb6c
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.c
@@ -0,0 +1,213 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+#include "fsl_epu.h"
+
+struct fsm_reg_vals epu_default_val[] = {
+ /* EPGCR (Event Processor Global Control Register) */
+ {EPGCR, 0},
+ /* EPECR (Event Processor Event Control Registers) */
+ {EPECR0 + EPECR_STRIDE * 0, 0},
+ {EPECR0 + EPECR_STRIDE * 1, 0},
+ {EPECR0 + EPECR_STRIDE * 2, 0xF0004004},
+ {EPECR0 + EPECR_STRIDE * 3, 0x80000084},
+ {EPECR0 + EPECR_STRIDE * 4, 0x20000084},
+ {EPECR0 + EPECR_STRIDE * 5, 0x08000004},
+ {EPECR0 + EPECR_STRIDE * 6, 0x80000084},
+ {EPECR0 + EPECR_STRIDE * 7, 0x80000084},
+ {EPECR0 + EPECR_STRIDE * 8, 0x60000084},
+ {EPECR0 + EPECR_STRIDE * 9, 0x08000084},
+ {EPECR0 + EPECR_STRIDE * 10, 0x42000084},
+ {EPECR0 + EPECR_STRIDE * 11, 0x90000084},
+ {EPECR0 + EPECR_STRIDE * 12, 0x80000084},
+ {EPECR0 + EPECR_STRIDE * 13, 0x08000084},
+ {EPECR0 + EPECR_STRIDE * 14, 0x02000084},
+ {EPECR0 + EPECR_STRIDE * 15, 0x00000004},
+ /*
+ * EPEVTCR (Event Processor EVT Pin Control Registers)
+ * SCU8 triger EVT2, and SCU11 triger EVT9
+ */
+ {EPEVTCR0 + EPEVTCR_STRIDE * 0, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 1, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 2, 0x80000001},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 3, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 4, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 5, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 6, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 7, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 8, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 9, 0xB0000001},
+ /* EPCMPR (Event Processor Counter Compare Registers) */
+ {EPCMPR0 + EPCMPR_STRIDE * 0, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 1, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 2, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 3, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 4, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 5, 0x00000020},
+ {EPCMPR0 + EPCMPR_STRIDE * 6, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 7, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 8, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 9, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 10, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 11, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 12, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 13, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 14, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 15, 0x000000FF},
+ /* EPCCR (Event Processor Counter Control Registers) */
+ {EPCCR0 + EPCCR_STRIDE * 0, 0},
+ {EPCCR0 + EPCCR_STRIDE * 1, 0},
+ {EPCCR0 + EPCCR_STRIDE * 2, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 3, 0},
+ {EPCCR0 + EPCCR_STRIDE * 4, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 5, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 6, 0},
+ {EPCCR0 + EPCCR_STRIDE * 7, 0},
+ {EPCCR0 + EPCCR_STRIDE * 8, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 9, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 10, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 11, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 12, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 13, 0},
+ {EPCCR0 + EPCCR_STRIDE * 14, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 15, 0x92840000},
+ /* EPSMCR (Event Processor SCU Mux Control Registers) */
+ {EPSMCR0 + EPSMCR_STRIDE * 0, 0},
+ {EPSMCR0 + EPSMCR_STRIDE * 1, 0},
+ {EPSMCR0 + EPSMCR_STRIDE * 2, 0x6C700000},
+ {EPSMCR0 + EPSMCR_STRIDE * 3, 0x2F000000},
+ {EPSMCR0 + EPSMCR_STRIDE * 4, 0x002F0000},
+ {EPSMCR0 + EPSMCR_STRIDE * 5, 0x00002E00},
+ {EPSMCR0 + EPSMCR_STRIDE * 6, 0x7C000000},
+ {EPSMCR0 + EPSMCR_STRIDE * 7, 0x30000000},
+ {EPSMCR0 + EPSMCR_STRIDE * 8, 0x64300000},
+ {EPSMCR0 + EPSMCR_STRIDE * 9, 0x00003000},
+ {EPSMCR0 + EPSMCR_STRIDE * 10, 0x65000030},
+ {EPSMCR0 + EPSMCR_STRIDE * 11, 0x31740000},
+ {EPSMCR0 + EPSMCR_STRIDE * 12, 0x7F000000},
+ {EPSMCR0 + EPSMCR_STRIDE * 13, 0x00003100},
+ {EPSMCR0 + EPSMCR_STRIDE * 14, 0x00000031},
+ {EPSMCR0 + EPSMCR_STRIDE * 15, 0x76000000},
+ /* EPACR (Event Processor Action Control Registers) */
+ {EPACR0 + EPACR_STRIDE * 0, 0},
+ {EPACR0 + EPACR_STRIDE * 1, 0},
+ {EPACR0 + EPACR_STRIDE * 2, 0},
+ {EPACR0 + EPACR_STRIDE * 3, 0x00000080},
+ {EPACR0 + EPACR_STRIDE * 4, 0},
+ {EPACR0 + EPACR_STRIDE * 5, 0x00000040},
+ {EPACR0 + EPACR_STRIDE * 6, 0},
+ {EPACR0 + EPACR_STRIDE * 7, 0},
+ {EPACR0 + EPACR_STRIDE * 8, 0},
+ {EPACR0 + EPACR_STRIDE * 9, 0x0000001C},
+ {EPACR0 + EPACR_STRIDE * 10, 0x00000020},
+ {EPACR0 + EPACR_STRIDE * 11, 0},
+ {EPACR0 + EPACR_STRIDE * 12, 0x00000003},
+ {EPACR0 + EPACR_STRIDE * 13, 0x06000000},
+ {EPACR0 + EPACR_STRIDE * 14, 0x04000000},
+ {EPACR0 + EPACR_STRIDE * 15, 0x02000000},
+ /* EPIMCR (Event Processor Input Mux Control Registers) */
+ {EPIMCR0 + EPIMCR_STRIDE * 0, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 1, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 2, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 3, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 4, 0x44000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 5, 0x40000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 6, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 7, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 8, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 9, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 10, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 11, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 12, 0x44000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 13, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 14, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 15, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 16, 0x6A000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 17, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 18, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 19, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 20, 0x48000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 21, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 22, 0x6C000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 23, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 24, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 25, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 26, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 27, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 28, 0x76000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 29, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 30, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 31, 0x76000000},
+ /* EPXTRIGCR (Event Processor Crosstrigger Control Register) */
+ {EPXTRIGCR, 0x0000FFDF},
+ /* end */
+ {FSM_END_FLAG, 0},
+};
+
+/**
+ * fsl_epu_setup - Setup EPU registers to default values
+ */
+void fsl_epu_setup(void *epu_base)
+{
+ struct fsm_reg_vals *data = epu_default_val;
+
+ if (!epu_base || !data)
+ return;
+
+ while (data->offset != FSM_END_FLAG) {
+ out_be32(epu_base + data->offset, data->value);
+ data++;
+ }
+}
+
+/**
+ * fsl_epu_clean - Clear EPU registers
+ */
+void fsl_epu_clean(void *epu_base)
+{
+ u32 offset;
+
+ /* follow the exact sequence to clear the registers */
+ /* Clear EPACRn */
+ for (offset = EPACR0; offset <= EPACR15; offset += EPACR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPEVTCRn */
+ for (offset = EPEVTCR0; offset <= EPEVTCR9; offset += EPEVTCR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPGCR */
+ out_be32(epu_base + EPGCR, 0);
+
+ /* Clear EPSMCRn */
+ for (offset = EPSMCR0; offset <= EPSMCR15; offset += EPSMCR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPCCRn */
+ for (offset = EPCCR0; offset <= EPCCR31; offset += EPCCR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPCMPRn */
+ for (offset = EPCMPR0; offset <= EPCMPR31; offset += EPCMPR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPCTRn */
+ for (offset = EPCTR0; offset <= EPCTR31; offset += EPCTR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPIMCRn */
+ for (offset = EPIMCR0; offset <= EPIMCR31; offset += EPIMCR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPXTRIGCRn */
+ out_be32(epu_base + EPXTRIGCR, 0);
+
+ /* Clear EPECRn */
+ for (offset = EPECR0; offset <= EPECR15; offset += EPECR_STRIDE)
+ out_be32(epu_base + offset, 0);
+}