1 /***********************license start***********************************
2 * Copyright (c) 2003-2017 Cavium Inc. ([email protected]). All rights
3 * reserved.
4 *
5 *
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23 * This Software, including technical data, may be subject to U.S. export
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25 * associated regulations, and may be subject to export or import
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38 ***********************license end**************************************/
39 #include <bdk.h>
40 #include "libbdk-arch/bdk-csrs-uaa.h"
41 #include "libbdk-arch/bdk-csrs-rst.h"
42
43 /**
44 * Perform a soft reset of the chip
45 *
46 * @return
47 */
bdk_reset_chip(bdk_node_t node)48 void bdk_reset_chip(bdk_node_t node)
49 {
50 fflush(NULL);
51
52 /* Wait for TX fifo to empty */
53 while (1)
54 {
55 BDK_CSR_INIT(fr, node, BDK_UAAX_FR(0));
56 if (fr.s.txfe)
57 break;
58 }
59
60 /* RST_OCX is not cleared by a chip reset. Clear it now to avoid repeated
61 resets due to CCPI state changes during reset */
62 BDK_CSR_WRITE(node, BDK_RST_OCX, 0);
63 BDK_CSR_READ(node, BDK_RST_OCX);
64
65 bdk_rst_soft_rst_t rst_soft_rst;
66 rst_soft_rst.u = 0;
67 rst_soft_rst.s.soft_rst = 1;
68 BDK_CSR_WRITE(node, BDK_RST_SOFT_RST, rst_soft_rst.u);
69 }
70
71