diff options
author | wdenk <wdenk> | 2004-02-12 00:47:09 +0000 |
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committer | wdenk <wdenk> | 2004-02-12 00:47:09 +0000 |
commit | bf9e3b38f77c2eac620263dd60437c6ec47a27bf (patch) | |
tree | d03891090553d167f3eb08d7f9c3f2532e43fcc2 /board/gen860t/fpga.c | |
parent | a2d18bb7d31e7b971386fef505ff0218f3b6e893 (diff) | |
download | u-boot-imx-bf9e3b38f77c2eac620263dd60437c6ec47a27bf.zip u-boot-imx-bf9e3b38f77c2eac620263dd60437c6ec47a27bf.tar.gz u-boot-imx-bf9e3b38f77c2eac620263dd60437c6ec47a27bf.tar.bz2 |
* Some code cleanup
* Patch by Josef Baumgartner, 10 Feb 2004:
Fixes for Coldfire port
* Patch by Brad Kemp, 11 Feb 2004:
Fix CFI flash driver problems
Diffstat (limited to 'board/gen860t/fpga.c')
-rw-r--r-- | board/gen860t/fpga.c | 229 |
1 files changed, 104 insertions, 125 deletions
diff --git a/board/gen860t/fpga.c b/board/gen860t/fpga.c index 2c4fbf1..37788d5 100644 --- a/board/gen860t/fpga.c +++ b/board/gen860t/fpga.c @@ -72,30 +72,27 @@ Xilinx_Virtex2_Slave_SelectMap_fns fpga_fns = { }; Xilinx_desc fpga[CONFIG_FPGA_COUNT] = { - { Xilinx_Virtex2, - slave_selectmap, - XILINX_XC2V3000_SIZE, - (void *)&fpga_fns, - 0 - } + {Xilinx_Virtex2, + slave_selectmap, + XILINX_XC2V3000_SIZE, + (void *) &fpga_fns, + 0} }; /* * Display FPGA revision information */ -void -print_fpga_revision(void) +void print_fpga_revision (void) { - vu_long *rev_p = (vu_long *)0x60000008; - - printf("FPGA Revision 0x%.8lx" - " (Date %.2lx/%.2lx/%.2lx, Status \"%.1lx\", Version %.3lu)\n", - *rev_p, - ((*rev_p >> 28) & 0xf), - ((*rev_p >> 20) & 0xff), - ((*rev_p >> 12) & 0xff), - ((*rev_p >> 8) & 0xf), - (*rev_p & 0xff)); + vu_long *rev_p = (vu_long *) 0x60000008; + + printf ("FPGA Revision 0x%.8lx" + " (Date %.2lx/%.2lx/%.2lx, Status \"%.1lx\", Version %.3lu)\n", + *rev_p, + ((*rev_p >> 28) & 0xf), + ((*rev_p >> 20) & 0xff), + ((*rev_p >> 12) & 0xff), + ((*rev_p >> 8) & 0xf), (*rev_p & 0xff)); } @@ -106,10 +103,9 @@ print_fpga_revision(void) * problems with bus charging. * Return 0 on failure, 1 on success. */ -int -test_fpga_ibtr(void) +int test_fpga_ibtr (void) { - vu_long *ibtr_p = (vu_long *)0x60000010; + vu_long *ibtr_p = (vu_long *) 0x60000010; vu_long readback; vu_long compare; int i; @@ -118,40 +114,41 @@ test_fpga_ibtr(void) int pass = 1; static const ulong bitpattern[] = { - 0xdeadbeef, /* magic ID pattern for debug */ - 0x00000001, /* single bit */ - 0x00000003, /* two adjacent bits */ - 0x00000007, /* three adjacent bits */ - 0x0000000F, /* four adjacent bits */ - 0x00000005, /* two non-adjacent bits */ - 0x00000015, /* three non-adjacent bits */ - 0x00000055, /* four non-adjacent bits */ - 0xaaaaaaaa, /* alternating 1/0 */ + 0xdeadbeef, /* magic ID pattern for debug */ + 0x00000001, /* single bit */ + 0x00000003, /* two adjacent bits */ + 0x00000007, /* three adjacent bits */ + 0x0000000F, /* four adjacent bits */ + 0x00000005, /* two non-adjacent bits */ + 0x00000015, /* three non-adjacent bits */ + 0x00000055, /* four non-adjacent bits */ + 0xaaaaaaaa, /* alternating 1/0 */ }; for (i = 0; i < 1024; i++) { for (j = 0; j < 31; j++) { - for (k = 0; k < sizeof(bitpattern)/sizeof(bitpattern[0]); k++) { + for (k = 0; + k < sizeof (bitpattern) / sizeof (bitpattern[0]); + k++) { *ibtr_p = compare = (bitpattern[k] << j); readback = *ibtr_p; if (readback != ~compare) { - printf("%s:%d: FPGA test fail: expected 0x%.8lx" - " actual 0x%.8lx\n", - __FUNCTION__, __LINE__, ~compare, readback); + printf ("%s:%d: FPGA test fail: expected 0x%.8lx" " actual 0x%.8lx\n", __FUNCTION__, __LINE__, ~compare, readback); pass = 0; break; } } - if (!pass) break; + if (!pass) + break; } - if (!pass) break; + if (!pass) + break; } if (pass) { - printf("FPGA inverting bus test passed\n"); - print_fpga_revision(); - } - else { - printf("** FPGA inverting bus test failed\n"); + printf ("FPGA inverting bus test passed\n"); + print_fpga_revision (); + } else { + printf ("** FPGA inverting bus test failed\n"); } return pass; } @@ -160,19 +157,17 @@ test_fpga_ibtr(void) /* * Set the active-low FPGA reset signal. */ -void -fpga_reset(int assert) +void fpga_reset (int assert) { - volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile immap_t *immap = (immap_t *) CFG_IMMR; - PRINTF("%s:%d: RESET ", __FUNCTION__, __LINE__); + PRINTF ("%s:%d: RESET ", __FUNCTION__, __LINE__); if (assert) { immap->im_ioport.iop_pcdat &= ~(0x8000 >> FPGA_RESET_BIT_NUM); - PRINTF("asserted\n"); - } - else { + PRINTF ("asserted\n"); + } else { immap->im_ioport.iop_pcdat |= (0x8000 >> FPGA_RESET_BIT_NUM); - PRINTF("deasserted\n"); + PRINTF ("deasserted\n"); } } @@ -181,54 +176,52 @@ fpga_reset(int assert) * Initialize the SelectMap interface. We assume that the mode and the * initial state of all of the port pins have already been set! */ -void -fpga_selectmap_init(void) +void fpga_selectmap_init (void) { - PRINTF("%s:%d: Initialize SelectMap interface\n", __FUNCTION__, __LINE__); - fpga_pgm_fn(FALSE, FALSE, 0); /* make sure program pin is inactive */ + PRINTF ("%s:%d: Initialize SelectMap interface\n", __FUNCTION__, + __LINE__); + fpga_pgm_fn (FALSE, FALSE, 0); /* make sure program pin is inactive */ } /* * Initialize the fpga. Return 1 on success, 0 on failure. */ -int -gen860t_init_fpga(void) +int gen860t_init_fpga (void) { DECLARE_GLOBAL_DATA_PTR; int i; - PRINTF("%s:%d: Initialize FPGA interface (relocation offset = 0x%.8lx)\n", - __FUNCTION__, __LINE__, gd->reloc_off); - fpga_init(gd->reloc_off); - fpga_selectmap_init(); + PRINTF ("%s:%d: Initialize FPGA interface (relocation offset = 0x%.8lx)\n", __FUNCTION__, __LINE__, gd->reloc_off); + fpga_init (gd->reloc_off); + fpga_selectmap_init (); - for(i=0; i < CONFIG_FPGA_COUNT; i++) { - PRINTF("%s:%d: Adding fpga %d\n", __FUNCTION__, __LINE__, i); - fpga_add(fpga_xilinx, &fpga[i]); + for (i = 0; i < CONFIG_FPGA_COUNT; i++) { + PRINTF ("%s:%d: Adding fpga %d\n", __FUNCTION__, __LINE__, i); + fpga_add (fpga_xilinx, &fpga[i]); } - return 1; + return 1; } /* * Set the FPGA's active-low SelectMap program line to the specified level */ -int -fpga_pgm_fn(int assert, int flush, int cookie) +int fpga_pgm_fn (int assert, int flush, int cookie) { - volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile immap_t *immap = (immap_t *) CFG_IMMR; - PRINTF("%s:%d: FPGA PROGRAM ", __FUNCTION__, __LINE__); + PRINTF ("%s:%d: FPGA PROGRAM ", __FUNCTION__, __LINE__); if (assert) { - immap->im_ioport.iop_padat &= ~(0x8000 >> FPGA_PROGRAM_BIT_NUM); - PRINTF("asserted\n"); - } - else { - immap->im_ioport.iop_padat |= (0x8000 >> FPGA_PROGRAM_BIT_NUM); - PRINTF("deasserted\n"); + immap->im_ioport.iop_padat &= + ~(0x8000 >> FPGA_PROGRAM_BIT_NUM); + PRINTF ("asserted\n"); + } else { + immap->im_ioport.iop_padat |= + (0x8000 >> FPGA_PROGRAM_BIT_NUM); + PRINTF ("deasserted\n"); } return assert; } @@ -238,18 +231,16 @@ fpga_pgm_fn(int assert, int flush, int cookie) * Test the state of the active-low FPGA INIT line. Return 1 on INIT * asserted (low). */ -int -fpga_init_fn(int cookie) +int fpga_init_fn (int cookie) { - volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile immap_t *immap = (immap_t *) CFG_IMMR; - PRINTF("%s:%d: INIT check... ", __FUNCTION__, __LINE__); - if(immap->im_cpm.cp_pbdat & (0x80000000 >> FPGA_INIT_BIT_NUM)) { - PRINTF("high\n"); + PRINTF ("%s:%d: INIT check... ", __FUNCTION__, __LINE__); + if (immap->im_cpm.cp_pbdat & (0x80000000 >> FPGA_INIT_BIT_NUM)) { + PRINTF ("high\n"); return 0; - } - else { - PRINTF("low\n"); + } else { + PRINTF ("low\n"); return 1; } } @@ -258,18 +249,16 @@ fpga_init_fn(int cookie) /* * Test the state of the active-high FPGA DONE pin */ -int -fpga_done_fn(int cookie) +int fpga_done_fn (int cookie) { - volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile immap_t *immap = (immap_t *) CFG_IMMR; - PRINTF("%s:%d: DONE check... ", __FUNCTION__, __LINE__); + PRINTF ("%s:%d: DONE check... ", __FUNCTION__, __LINE__); if (immap->im_cpm.cp_pbdat & (0x80000000 >> FPGA_DONE_BIT_NUM)) { - PRINTF("high\n"); + PRINTF ("high\n"); return FPGA_SUCCESS; - } - else { - PRINTF("low\n"); + } else { + PRINTF ("low\n"); return FPGA_FAIL; } } @@ -278,43 +267,40 @@ fpga_done_fn(int cookie) /* * Read FPGA SelectMap data. */ -int -fpga_read_data_fn(unsigned char *data, int cookie) +int fpga_read_data_fn (unsigned char *data, int cookie) { - vu_char *p = (vu_char *)SELECTMAP_BASE; + vu_char *p = (vu_char *) SELECTMAP_BASE; *data = *p; #if 0 - PRINTF("%s: Read 0x%x into 0x%p\n", __FUNCTION__, (int)data, data); + PRINTF ("%s: Read 0x%x into 0x%p\n", __FUNCTION__, (int) data, data); #endif - return (int)data; + return (int) data; } /* * Write data to the FPGA SelectMap port */ -int -fpga_write_data_fn(unsigned char data, int flush, int cookie) +int fpga_write_data_fn (unsigned char data, int flush, int cookie) { - vu_char *p = (vu_char *)SELECTMAP_BASE; + vu_char *p = (vu_char *) SELECTMAP_BASE; #if 0 - PRINTF("%s: Write Data 0x%x\n", __FUNCTION__, (int)data); + PRINTF ("%s: Write Data 0x%x\n", __FUNCTION__, (int) data); #endif *p = data; - return (int)data; + return (int) data; } /* * Abort and FPGA operation */ -int -fpga_abort_fn(int cookie) +int fpga_abort_fn (int cookie) { - PRINTF("%s:%d: FPGA program sequence aborted\n", - __FUNCTION__, __LINE__); + PRINTF ("%s:%d: FPGA program sequence aborted\n", + __FUNCTION__, __LINE__); return FPGA_FAIL; } @@ -324,11 +310,10 @@ fpga_abort_fn(int cookie) * FPGA reset is asserted to keep the FPGA from starting up after * configuration. */ -int -fpga_pre_config_fn(int cookie) +int fpga_pre_config_fn (int cookie) { - PRINTF("%s:%d: FPGA pre-configuration\n", __FUNCTION__, __LINE__); - fpga_reset(TRUE); + PRINTF ("%s:%d: FPGA pre-configuration\n", __FUNCTION__, __LINE__); + fpga_reset (TRUE); return 0; } @@ -337,22 +322,21 @@ fpga_pre_config_fn(int cookie) * FPGA post configuration function. Blip the FPGA reset line and then see if * the FPGA appears to be running. */ -int -fpga_post_config_fn(int cookie) +int fpga_post_config_fn (int cookie) { int rc; - PRINTF("%s:%d: FPGA post configuration\n", __FUNCTION__, __LINE__); - fpga_reset(TRUE); - udelay(1000); - fpga_reset(FALSE); + PRINTF ("%s:%d: FPGA post configuration\n", __FUNCTION__, __LINE__); + fpga_reset (TRUE); + udelay (1000); + fpga_reset (FALSE); udelay (1000); /* * Use the FPGA,s inverting bus test register to do a simple test of the * processor interface. */ - rc = test_fpga_ibtr(); + rc = test_fpga_ibtr (); return rc; } @@ -367,32 +351,27 @@ fpga_post_config_fn(int cookie) * going low during configuration, so there is no need for a separate error * function. */ -int -fpga_clk_fn(int assert_clk, int flush, int cookie) +int fpga_clk_fn (int assert_clk, int flush, int cookie) { return assert_clk; } -int -fpga_cs_fn(int assert_cs, int flush, int cookie) +int fpga_cs_fn (int assert_cs, int flush, int cookie) { return assert_cs; } -int -fpga_wr_fn(int assert_write, int flush, int cookie) +int fpga_wr_fn (int assert_write, int flush, int cookie) { return assert_write; } -int -fpga_err_fn(int cookie) +int fpga_err_fn (int cookie) { return 0; } -int -fpga_busy_fn(int cookie) +int fpga_busy_fn (int cookie) { return 0; } |