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-rw-r--r--sim/testsuite/sky/t-dma.c485
1 files changed, 485 insertions, 0 deletions
diff --git a/sim/testsuite/sky/t-dma.c b/sim/testsuite/sky/t-dma.c
new file mode 100644
index 0000000..038c076
--- /dev/null
+++ b/sim/testsuite/sky/t-dma.c
@@ -0,0 +1,485 @@
+#include <stdio.h>
+#include <string.h>
+
+#define error(x) { printf(x); exit( 999); }
+
+void wrtest( unsigned *reg, unsigned w, unsigned e)
+{
+ unsigned r;
+
+ *reg = w;
+ r = *reg;
+ if( r != e)
+ {
+ printf( "wrtest: at 0x%08lx wrote=0x%08x read=0x%08x expected=0x%08x\n",
+ reg, w, r, e);
+ exit( 999);
+ }
+}
+
+/*
+DMA tag in target format (LE).
+BE=0x00000000_00000000_aaaaaaa0_ip00cccc
+*/
+typedef struct { unsigned tagL __attribute__ ((aligned (16))), tagH, pke1, pke0; } quad;
+
+ quad data0 = { 3, 2, 1, 0};
+
+/* DMArefe 1, data0 */ quad dma_refe = { 0x0c000001, 000, 0, 0};
+/* DMAcnt 2 */ quad dma_cnt = { 0x10000002, 0, 0, 0};
+ quad data1 = { 7, 6, 5, 4};
+ quad data2 = { 11, 10, 9, 8};
+/* DMAnext 3,dma_ref */ quad dma_next = { 0x20000003, 000, 0, 0};
+ quad data3 = { 15, 14, 13, 12};
+ quad data4 = { 19, 18, 17, 16};
+ quad data5 = { 23, 22, 21, 20};
+
+ quad data6 = { 27, 26, 25, 24};
+ quad data7 = { 31, 30, 29, 28};
+ quad data8 = { 35, 34, 33, 32};
+/* DMAref 1,data6 */ quad dma_ref = { 0x30000001, 000, 0, 0};
+/* DMArefs 2,data7 */ quad dma_refs = { 0x40000002, 000, 0, 0};
+/* DMAcall 3,dma_cal2 */quad dma_call = { 0x50000003, 000, 0, 0};
+ quad data9 = { 39, 38, 37, 36};
+ quad dataA = { 43, 42, 41, 40};
+ quad dataB = { 47, 46, 45, 44};
+/* DMAend 1 */ quad dma_end = { 0x78000001, 0, 0, 0};
+ quad dataE = { 59, 58, 57, 56};
+
+/* DMAcall 1,dma_rt2 */ quad dma_cal2 = { 0x50000001, 000, 0, 0 };
+ quad dataC = { 51, 50, 49, 48};
+/* DMAret 0 */ quad dma_ret = { 0x60000000, 0, 0, 0};
+
+/* DMAret 1 */ quad dma_rt2 = { 0x60000001, 0, 0, 0};
+ quad dataD = { 55, 54, 53, 52};
+
+int main()
+{
+
+#define DMA_D0_START 0x10008000
+#define DMA_D0_CHCR (unsigned*) 0x10008000
+#define DMA_Dn_CHCR__STR 0x00000100
+#define DMA_Dn_CHCR__TIE 0x00000080
+#define DMA_Dn_CHCR__TTE 0x00000040
+#define DMA_Dn_CHCR__MOD 0x0000000c
+#define DMA_Dn_CHCR__MOD_NORM 0x00000000
+#define DMA_Dn_CHCR__MOD_CHAIN 0x00000004
+#define DMA_Dn_CHCR__DIR 0x00000001
+#define DMA_D0_MADR (unsigned*) 0x10008010
+#define DMA_D0_QWC (unsigned*) 0x10008020
+#define DMA_D0_TADR (unsigned*) 0x10008030
+#define DMA_D0_ASR0 (unsigned*) 0x10008040
+#define DMA_D0_ASR1 (unsigned*) 0x10008050
+#define DMA_D0_PKTFLAG (unsigned*) 0x10008060 /* virtual reg to indicate presence of tag in data */
+#define DMA_D0_END 0x10008070
+
+#define DMA_D1_START 0x10009000
+#define DMA_D1_CHCR (unsigned*) 0x10009000
+#define DMA_D1_MADR (unsigned*) 0x10009010
+#define DMA_D1_QWC (unsigned*) 0x10009020
+#define DMA_D1_TADR (unsigned*) 0x10009030
+#define DMA_D1_ASR0 (unsigned*) 0x10009040
+#define DMA_D1_ASR1 (unsigned*) 0x10009050
+#define DMA_D1_PKTFLAG (unsigned*) 0x10009060 /* virtual reg to indicate presence of tag in data */
+#define DMA_D1_END 0x10009070
+
+#define DMA_D2_START 0x1000a000
+#define DMA_D2_CHCR (unsigned*) 0x1000a000
+#define DMA_D2_MADR (unsigned*) 0x1000a010
+#define DMA_D2_QWC (unsigned*) 0x1000a020
+#define DMA_D2_TADR (unsigned*) 0x1000a030
+#define DMA_D2_ASR0 (unsigned*) 0x1000a040
+#define DMA_D2_ASR1 (unsigned*) 0x1000a050
+#define DMA_D2_PKTFLAG (unsigned*) 0x1000a060 /* virtual reg to indicate presence of tag in data */
+#define DMA_D2_END 0x1000a070
+
+#define DMA_D_CTRL (unsigned*) 0x1000e000
+#define DMA_D_CTRL__DMAE 0x00000001
+#define DMA_D_STAT (unsigned*) 0x1000e010
+#define DMA_D_STAT__TOGGLE 0x63ff0000
+#define DMA_D_STAT__CLEAR 0x0000e3ff
+#define DMA_D_PCR (unsigned*) 0x1000e020
+#define DMA_D_PCR__PCE 0x80000000
+#define DMA_D_PCR__CDE 0x03ff0000
+#define DMA_D_PCR__CDE0 0x00010000
+#define DMA_D_PCR__CDE1 0x00020000
+#define DMA_D_PCR__CDE2 0x00040000
+#define DMA_D_SQWC (unsigned*) 0x1000e030
+#define DMA_D_RBSR (unsigned*) 0x1000e040
+#define DMA_D_RBOR (unsigned*) 0x1000e050
+#define DMA_D_STADR (unsigned*) 0x1000e060
+
+#define DMA_TAG_IRQ 0x80000000;
+
+
+ unsigned *reg, temp;
+
+ printf( "Testing DMA_D_CTRL...\n");
+ reg = DMA_D_CTRL;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x00000555, 0x00000555);
+ wrtest( reg, 0x000002aa, 0x000002aa);
+ *reg = 0;
+
+ printf( "Testing DMA_D_STAT...\n");
+ reg = DMA_D_STAT;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0xffffffff, 0x63ff0000);
+ wrtest( reg, 0x63ff0000, 0x00000000);
+
+ printf( "Testing DMA_D_PCR...\n");
+ reg = DMA_D_PCR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x80000000, 0x83ff0000);
+ wrtest( reg, 0x8fff0000, 0x83ff0000);
+ wrtest( reg, 0x05550000, 0x01550000);
+ wrtest( reg, 0x0155aaaa, 0x015502aa);
+ wrtest( reg, 0x00005555, 0x00000155);
+ *reg = 0;
+
+ printf( "Testing DMA_D_SQWC...\n");
+ reg = DMA_D_SQWC;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x005500aa);
+ wrtest( reg, 0xaaaa5555, 0x00aa0055);
+ *reg = 0;
+
+ printf( "Testing DMA_D_RBOR...\n");
+ reg = DMA_D_RBOR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0xaaaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D_RBSR...\n");
+ reg = DMA_D_RBSR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0xaaaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D_STADR...\n");
+ reg = DMA_D_STADR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0xaaaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D0_CHCR...\n");
+ reg = DMA_D0_CHCR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x000000aa);
+ wrtest( reg, 0xaaaa5555, 0x00000155);
+ *reg = 0;
+
+ printf( "Testing DMA_D0_MADR...\n");
+ reg = DMA_D0_MADR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D0_TADR...\n");
+ reg = DMA_D0_TADR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D0_ASR0...\n");
+ reg = DMA_D0_ASR0;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D0_ASR1...\n");
+ reg = DMA_D0_ASR1;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D0_QWC...\n");
+ reg = DMA_D0_QWC;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x0000aaaa);
+ wrtest( reg, 0xaaaa5555, 0x00005555);
+ *reg = 0;
+
+ printf( "Testing DMA_D0_PKTFLAG...\n");
+ reg = DMA_D0_PKTFLAG;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaaa);
+ wrtest( reg, 0xaaaa5555, 0xaaaa5555);
+ *reg = 0;
+
+ printf( "Testing DMA_D1_CHCR...\n");
+ reg = DMA_D1_CHCR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x000000aa);
+ wrtest( reg, 0xaaaa5555, 0x00000155);
+ *reg = 0;
+
+ printf( "Testing DMA_D1_MADR...\n");
+ reg = DMA_D1_MADR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D1_TADR...\n");
+ reg = DMA_D1_TADR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D1_ASR0...\n");
+ reg = DMA_D1_ASR0;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D1_ASR1...\n");
+ reg = DMA_D1_ASR1;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D1_QWC...\n");
+ reg = DMA_D1_QWC;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x0000aaaa);
+ wrtest( reg, 0xaaaa5555, 0x00005555);
+ *reg = 0;
+
+ printf( "Testing DMA_D1_PKTFLAG...\n");
+ reg = DMA_D1_PKTFLAG;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaaa);
+ wrtest( reg, 0xaaaa5555, 0xaaaa5555);
+ *reg = 0;
+
+ printf( "Testing DMA_D2_CHCR...\n");
+ reg = DMA_D2_CHCR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x000000aa);
+ wrtest( reg, 0xaaaa5555, 0x00000155);
+ *reg = 0;
+
+ printf( "Testing DMA_D2_MADR...\n");
+ reg = DMA_D2_MADR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D2_TADR...\n");
+ reg = DMA_D2_TADR;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D2_ASR0...\n");
+ reg = DMA_D2_ASR0;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D2_ASR1...\n");
+ reg = DMA_D2_ASR1;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaa0);
+ wrtest( reg, 0x2aaa5555, 0x2aaa5550);
+ *reg = 0;
+
+ printf( "Testing DMA_D2_QWC...\n");
+ reg = DMA_D2_QWC;
+ if( *reg)
+ {
+ printf ("Not initialized to zero (0x%08x).\n", *reg);
+ exit (999);
+ }
+ wrtest( reg, 0x5555aaaa, 0x0000aaaa);
+ wrtest( reg, 0xaaaa5555, 0x00005555);
+ *reg = 0;
+
+ printf( "Testing DMA_D2_PKTFLAG...\n");
+ reg = DMA_D2_PKTFLAG;
+ if( *reg) error( "Not initialized to zero.\n");
+ wrtest( reg, 0x5555aaaa, 0x5555aaaa);
+ wrtest( reg, 0xaaaa5555, 0xaaaa5555);
+ *reg = 0;
+
+ /* Initiate a non-chained 0-length transfer. */
+ printf ("\nPreparing for a DMA1 NORM transfer...\n");
+ reg = DMA_D_CTRL; /* enable DMA */
+ *reg = DMA_D_CTRL__DMAE;
+ reg = DMA_D1_QWC; /* set # of quad words to xfr */
+ *reg = 0;
+ reg = DMA_D1_MADR; /* set data address */
+ *reg = 0x00012340;
+ reg = DMA_D1_CHCR;
+ printf ("Ready...\n");
+ *reg = DMA_Dn_CHCR__STR | DMA_Dn_CHCR__MOD_NORM;
+
+ reg = DMA_D1_QWC;
+ if (*reg)
+ {
+ printf ("D1_QWC is not zero after transfer.\n");
+ exit (999);
+ }
+ reg = DMA_D1_MADR;
+ if (*reg != 0x00012340)
+ {
+ printf ("D1_MADR value is wrong after transfer.\n");
+ exit (999);
+ }
+ reg = DMA_D1_CHCR;
+ if ((*reg & DMA_Dn_CHCR__STR) != 0)
+ {
+ printf ("D1_CHCR.STR is not reset after transfer.\n");
+ exit (999);
+ }
+ printf ("Completed OK...\n");
+
+ /* Initiate a chained transfer. */
+
+ /* Some of the "tag" fields couldn't be initialised statically. */
+ /* The first address is unaligned to force a warning. */
+ dma_refe.tagH = (unsigned)&data0 + 1;
+ dma_next.tagH = (unsigned)&dma_ref;
+ dma_ref.tagH = (unsigned)&data6;
+ dma_refs.tagH = (unsigned)&data7;
+ dma_call.tagH = (unsigned)&dma_cal2;
+ dma_cal2.tagH = (unsigned)&dma_rt2;
+
+ printf ("\nPreparing for a DMA0 TAG transfer...\n");
+ reg = DMA_D_PCR; /* disable DMA0 */
+ *reg &= ~DMA_D_PCR__CDE0;
+ *reg |= DMA_D_PCR__PCE;
+ reg = DMA_D_CTRL; /* enable DMA */
+ *reg = DMA_D_CTRL__DMAE;
+ reg = DMA_D0_TADR; /* set tag address */
+ *reg = (unsigned) & dma_refe;
+ reg = DMA_D0_QWC; /* set fictitious count */
+ *reg = 51;
+ printf ("Ready...\n");
+ reg = DMA_D0_CHCR;
+ *reg = DMA_Dn_CHCR__STR | DMA_Dn_CHCR__TTE | DMA_Dn_CHCR__MOD_CHAIN;
+
+ reg = DMA_D0_QWC;
+ if (*reg != 51)
+ {
+ printf ("DMA0 transfer not inhibited by DMA_D_PCR__CDE0 (%d).\n", *reg);
+ exit (999);
+ }
+ reg = DMA_D_PCR; /* enable DMA0 */
+ *reg &= ~DMA_D_PCR__PCE;
+
+ reg = DMA_D0_QWC;
+ if (*reg)
+ {
+ printf ("D0_QWC is not zero after transfer.\n");
+ exit (999);
+ }
+ reg = DMA_D0_MADR;
+ if (*reg != (unsigned)&dma_cal2)
+ {
+ printf ("D0_MADR value is wrong after transfer.\n");
+ exit (999);
+ }
+ reg = DMA_D0_CHCR;
+ if ((*reg & DMA_Dn_CHCR__STR) != 0)
+ {
+ printf ("D0_CHCR.STR is not reset after transfer.\n");
+ exit (999);
+ }
+ printf ("Completed OK...\n");
+
+ /* Initiate a chained transfer that will be suspended
+ and restarted. */
+
+ /* Request suspension part way through. */
+ dma_ref.tagL |= DMA_TAG_IRQ;
+
+ printf ("\nPreparing for a DMA2 TAG transfer with suspension...\n");
+ reg = DMA_D_CTRL; /* enable DMA */
+ *reg = DMA_D_CTRL__DMAE;
+ reg = DMA_D2_TADR; /* set tag address */
+ *reg = (unsigned) & dma_refe;
+ printf ("Ready...\n");
+ reg = DMA_D2_CHCR;
+ *reg = DMA_Dn_CHCR__STR | DMA_Dn_CHCR__MOD_CHAIN;
+ printf ("returns...\n");
+
+ reg = DMA_D2_QWC;
+ if (*reg)
+ {
+ printf ("D2_QWC (0x%08x) is not zero after suspension.\n", *reg);
+ exit (999);
+ }
+ reg = DMA_D2_MADR;
+ if (*reg != (unsigned)&data7)
+ {
+ printf ("D2_MADR value (0x%08x) is wrong after suspension.\n", *reg);
+ exit (999);
+ }
+ reg = DMA_D2_TADR;
+ if (*reg != (unsigned)&dma_refs)
+ {
+ printf ("D2_TADR value (0x%08x) is wrong after suspension.\n", *reg);
+ exit (999);
+ }
+ reg = DMA_D2_CHCR;
+ if ((*reg & DMA_Dn_CHCR__STR) != 0)
+ {
+ printf ("D2_CHCR.STR (0x%08x) is not reset after suspension.\n", *reg);
+ exit (999);
+ }
+ reg = DMA_D_PCR;
+ if ((*reg & DMA_D_PCR__PCE) == 0)
+ {
+ printf ("DMA_D_PCR__PCE not set by transfer.\n");
+ exit (999);
+ }
+ printf ("Suspended OK...\n");
+
+ /* Reset the suspension request and continue. */
+ dma_ref.tagL &= ~DMA_TAG_IRQ;
+ reg = DMA_D2_CHCR;
+ *reg |= DMA_Dn_CHCR__STR;
+
+ reg = DMA_D2_QWC;
+ if (*reg)
+ {
+ printf ("D2_QWC (0x%08x) is not zero after transfer.\n", *reg);
+ exit (999);
+ }
+ reg = DMA_D2_MADR;
+ if (*reg != (unsigned)&dma_cal2)
+ {
+ printf ("D2_MADR value (0x%08x) is wrong after transfer.\n", *reg);
+ exit (999);
+ }
+ reg = DMA_D2_CHCR;
+ if ((*reg & DMA_Dn_CHCR__STR) != 0)
+ {
+ printf ("D2_CHCR.STR (0x%08x) is not reset after transfer.\n", *reg);
+ exit (999);
+ }
+ reg = DMA_D_PCR;
+ if (*reg & DMA_D_PCR__PCE)
+ {
+ printf ("DMA_D_PCR__PCE not reset by transfer.\n");
+ exit (999);
+ }
+ printf ("Completed OK...\n");
+
+ exit (0);
+}
generated by cgit v1.1 at 2024-12-15 10:44:18 +0000