diff options
Diffstat (limited to 'libgloss/sparc_leon/amba_dbg.c')
| -rw-r--r-- | libgloss/sparc_leon/amba_dbg.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/libgloss/sparc_leon/amba_dbg.c b/libgloss/sparc_leon/amba_dbg.c new file mode 100644 index 000000000..5f044505c --- /dev/null +++ b/libgloss/sparc_leon/amba_dbg.c @@ -0,0 +1,147 @@ +/* + * Copyright (c) 2011 Aeroflex Gaisler + * + * BSD license: + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + + +#include <asm-leon/leon.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/*#define DEBUG_CONFIG*/ + +/* Structure containing address to devices found on the Amba Plug&Play bus */ +extern amba_confarea_type amba_conf; + +#ifdef DEBUG_CONFIG +#define printk(fmt,arg...) \ +{ char c[1024]; \ + sprintf(c,fmt,##arg); \ + DEBUG_puts(c); \ +} +#else +#define printk(fmt,arg...) +#endif + +static void +vendor_dev_string (unsigned long conf, char *vendorbuf, char *devbuf) +{ + int vendor = amba_vendor (conf); + int dev = amba_device (conf); + char *devstr; + char *vendorstr; +#ifdef DEBUG_CONFIG + sprintf (vendorbuf, "Unknown vendor %2x", vendor); + sprintf (devbuf, "Unknown device %2x", dev); + vendorstr = vendor_id2str (vendor); + if (vendorstr) + { + sprintf (vendorbuf, "%s", vendorstr); + } + devstr = device_id2str (vendor, dev); + if (devstr) + { + sprintf (devbuf, "%s", devstr); + } +#else + vendorbuf[0] = 0; + devbuf[0] = 0; +#endif +} + +void +amba_prinf_config (void) +{ + char devbuf[128]; + char vendorbuf[128]; + unsigned int conf; + int i = 0; + int j = 0; + unsigned int addr; + unsigned int m; + printk (" Vendors Slaves\n"); + printk ("Ahb masters:\n"); + i = 0; + while (i < amba_conf.ahbmst.devnr) + { + conf = amba_get_confword (amba_conf.ahbmst, i, 0); + vendor_dev_string (conf, vendorbuf, devbuf); + printk ("%2i(%2x:%3x|%2i): %16s %16s \n", i, amba_vendor (conf), + amba_device (conf), amba_irq (conf), vendorbuf, devbuf); + for (j = 0; j < 4; j++) + { + m = amba_ahb_get_membar (amba_conf.ahbmst, i, j); + if (m) + { + addr = amba_membar_start (m); + printk (" +%i: 0x%x \n", j, addr); + } + } + i++; + } + printk ("Ahb slaves:\n"); + i = 0; + while (i < amba_conf.ahbslv.devnr) + { + conf = amba_get_confword (amba_conf.ahbslv, i, 0); + vendor_dev_string (conf, vendorbuf, devbuf); + printk ("%2i(%2x:%3x|%2i): %16s %16s \n", i, amba_vendor (conf), + amba_device (conf), amba_irq (conf), vendorbuf, devbuf); + for (j = 0; j < 4; j++) + { + m = amba_ahb_get_membar (amba_conf.ahbslv, i, j); + if (m) + { + addr = amba_membar_start (m); + if (amba_membar_type (m) == AMBA_TYPE_AHBIO) + { + addr = AMBA_TYPE_AHBIO_ADDR (addr); + } + else if (amba_membar_type (m) == AMBA_TYPE_APBIO) + { + printk ("Warning: apbio membar\n"); + } + printk (" +%i: 0x%x (raw:0x%x)\n", j, addr, m); + } + } + i++; + } + printk ("Apb slaves:\n"); + i = 0; + while (i < amba_conf.apbslv.devnr) + { + + conf = amba_get_confword (amba_conf.apbslv, i, 0); + vendor_dev_string (conf, vendorbuf, devbuf); + printk ("%2i(%2x:%3x|%2i): %16s %16s \n", i, amba_vendor (conf), + amba_device (conf), amba_irq (conf), vendorbuf, devbuf); + + m = amba_apb_get_membar (amba_conf.apbslv, i); + addr = amba_iobar_start (amba_conf.apbslv.apbmst[i], m); + printk (" +%2i: 0x%x (raw:0x%x) \n", 0, addr, m); + + i++; + + } + +} |