4 #if (CONFIG_COMMANDS & CFG_CMD_BSP)
9 #include <galileo/pci.h>
14 #define PAT_LO 0x00010203
15 #define PAT_HI 0x04050607
17 static PBB_DMA_REG_MAP *zuma_pbb_reg = NULL;
18 static char test_buf1[2048];
19 static char test_buf2[2048];
20 void zuma_init_pbb(void);
21 int zuma_mbox_init(void);
22 int zuma_test_dma(int cmd, int size);
24 int zuma_test_dma (int cmd, int size)
26 static const char *const test_legend[] = {
29 "write inc", "verify inc"
32 unsigned int p1 = ((unsigned int) test_buf1 + 0xff) & (~0xff);
33 unsigned int p2 = ((unsigned int) test_buf2 + 0xff) & (~0xff);
34 volatile unsigned int *ps = (unsigned int *) p1;
35 volatile unsigned int *pd = (unsigned int *) p2;
36 unsigned int funct, pat_lo = PAT_LO, pat_hi = PAT_HI;
41 printf ("not initted\n");
45 if (cmd < 0 || cmd > 5) {
46 printf ("inv cmd %d\n", cmd);
50 if (cmd == 2 || cmd == 3) {
55 if (size <= 0 || size > 1024)
58 size &= (~7); /* throw away bottom 3 bits */
60 p1 = ((unsigned int) test_buf1 + 0xff) & (~0xff);
61 p2 = ((unsigned int) test_buf2 + 0xff) & (~0xff);
63 memset ((void *) p1, 0, size);
64 memset ((void *) p2, 0, size);
66 for (i = 0; i < size / 4; i += 2) {
69 if (cmd == 4 || cmd == 5) {
70 unsigned char *pl = (unsigned char *) &pat_lo;
71 unsigned char *ph = (unsigned char *) &pat_hi;
73 for (j = 0; j < 4; j++) {
80 funct = (1 << 31) | (cmd << 24) | (size);
82 zuma_pbb_reg->int_mask.pci_bits.chan0 =
83 EOF_RX_FLAG | EOF_TX_FLAG | EOB_TX_FLAG;
85 zuma_pbb_reg->debug_57 = PAT_LO; /* patl */
86 zuma_pbb_reg->debug_58 = PAT_HI; /* path */
88 zuma_pbb_reg->debug_54 = cpu_to_le32 (p1); /* src 0x01b0 */
89 zuma_pbb_reg->debug_55 = cpu_to_le32 (p2); /* dst 0x01b8 */
90 zuma_pbb_reg->debug_56 = cpu_to_le32 (funct); /* func, 0x01c0 */
92 /* give DMA time to chew on things.. dont use DRAM or PCI */
93 /* if you can avoid it. */
95 for (i = 0; i < 1000 * 10; i++);
96 } while (le32_to_cpu (zuma_pbb_reg->debug_56) & (1 << 31));
98 stat.word = zuma_pbb_reg->status.word;
99 zuma_pbb_reg->int_mask.word = 0;
101 printf ("stat: %08x (%x)\n", stat.word, stat.pci_bits.chan0);
103 printf ("func: %08x\n", le32_to_cpu (zuma_pbb_reg->debug_56));
104 printf ("src @%08x: %08x %08x %08x %08x\n", p1, ps[0], ps[1], ps[2],
106 printf ("dst @%08x: %08x %08x %08x %08x\n", p2, pd[0], pd[1], pd[2],
108 printf ("func: %08x\n", le32_to_cpu (zuma_pbb_reg->debug_56));
111 if (cmd == 0 || cmd == 4) {
112 /* this is a write */
113 if (!(stat.pci_bits.chan0 & EOF_RX_FLAG) || /* not done */
114 (memcmp ((void *) ps, (void *) pd, size) != 0)) { /* cmp error */
115 for (i = 0; i < size / 4; i += 2) {
116 if ((ps[i] != pd[i]) || (ps[i + 1] != pd[i + 1])) {
117 printf ("s @%p:%08x %08x\n", &ps[i], ps[i], ps[i + 1]);
118 printf ("d @%p:%08x %08x\n", &pd[i], pd[i], pd[i + 1]);
124 /* this is a verify */
125 if (!(stat.pci_bits.chan0 & EOF_TX_FLAG) || /* not done */
126 (stat.pci_bits.chan0 & EOB_TX_FLAG)) { /* cmp error */
127 printf ("%08x: %08x %08x\n",
128 le32_to_cpu (zuma_pbb_reg->debug_63),
129 zuma_pbb_reg->debug_61, zuma_pbb_reg->debug_62);
134 printf ("%s cmd %d, %d bytes: %s!\n", test_legend[cmd], cmd, size,
135 (ret == 0) ? "PASSED" : "FAILED");
139 void zuma_init_pbb (void)
143 pci_find_device (VENDOR_ID_ZUMA, DEVICE_ID_ZUMA_PBB, 0);
146 printf ("no zuma pbb\n");
150 pci_read_config_dword (dev, PCI_BASE_ADDRESS_0, &iobase);
153 (PBB_DMA_REG_MAP *) (iobase & PCI_BASE_ADDRESS_MEM_MASK);
156 printf ("zuma pbb bar none! (hah hah, get it?)\n");
160 zuma_pbb_reg->int_mask.word = 0;
162 printf ("pbb @ %p v%d.%d, timestamp %08x\n", zuma_pbb_reg,
163 zuma_pbb_reg->version.pci_bits.rev_major,
164 zuma_pbb_reg->version.pci_bits.rev_minor,
165 zuma_pbb_reg->timestamp);
169 #if (CONFIG_COMMANDS & CFG_CMD_BSP)
171 static int last_cmd = 4; /* write increment */
172 static int last_size = 64;
175 do_zuma_init_pbb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
182 do_zuma_test_dma (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
185 last_cmd = simple_strtoul (argv[1], NULL, 10);
188 last_size = simple_strtoul (argv[2], NULL, 10);
190 zuma_test_dma (last_cmd, last_size);
195 do_zuma_init_mbox (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
202 zinit, 1, 0, do_zuma_init_pbb,
203 "zinit - init zuma pbb\n",
208 zdtest, 3, 1, do_zuma_test_dma,
209 "zdtest - run dma test\n",
211 " - run dma cmd (w=0,v=1,cp=2,cmp=3,wi=4,vi=5), count bytes\n"
214 zminit, 1, 0, do_zuma_init_mbox,
215 "zminit - init zuma mbox\n",
217 " - init zuma mbox\n"
220 #endif /* CFG_CMD_BSP */