diff options
Diffstat (limited to 'libgloss/sparc_leon/busscan.S')
| -rw-r--r-- | libgloss/sparc_leon/busscan.S | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/libgloss/sparc_leon/busscan.S b/libgloss/sparc_leon/busscan.S deleted file mode 100644 index e7f139635..000000000 --- a/libgloss/sparc_leon/busscan.S +++ /dev/null @@ -1,148 +0,0 @@ -/* - * 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. - */ - - -!unsigned int ahbslv_scan(register unsigned int vendor,register unsigned int driver) { -! register unsigned int conf, mbar,i, *confp; -! register unsigned int cfg_area = (unsigned int ) (LEON3_IO_AREA | LEON3_CONF_AREA | LEON3_AHB_SLAVE_CONF_AREA); -! for (i = 0; i < LEON3_AHB_SLAVES; i++) -! { -! confp = (unsigned int*)(cfg_area + (i * LEON3_AHB_CONF_WORDS * 4)); -! conf = *confp; -! //mbar = *(unsigned int*)(i * LEON3_AHB_CONF_WORDS+ (4 * 4)); -! if ((amba_vendor(conf) == vendor) && (amba_device(conf) == driver)) { -! return (unsigned int)confp; -! } -! } -! return 0; -!} - - - .section ".text" - .global ahbslv_scan - .align 4 - -ahbslv_scan: - mov %o0, %g1 - mov -2048, %o5 - mov 0, %o3 - sll %o3, 5, %o0 -.LL11: - add %o5, %o0, %o4 - ld [%o5+%o0], %o2 - srl %o2, 24, %o0 - cmp %o0, %g1 - bne,a .LL10 - add %o3, 1, %o3 - srl %o2, 12, %o0 - and %o0, 4095, %o0 - cmp %o0, %o1 - be .LL1 - mov %o4, %o2 - add %o3, 1, %o3 -.LL10: - cmp %o3, 7 - bleu,a .LL11 - sll %o3, 5, %o0 - mov 0, %o2 -.LL1: - retl - mov %o2, %o0 - - -!unsigned int apbslv_scan(register unsigned int base,register unsigned int vendor, register unsigned int driver) { -! register unsigned int conf, mbar,i, *confp; -! for (i = 0; i < LEON3_APB_SLAVES; i++) -! { -! confp = (unsigned int*)(base + (i * LEON3_APB_CONF_WORDS * 4)); -! conf = *confp; -! //mbar = *(unsigned int*)(i * LEON3_AHB_CONF_WORDS+ (4 * 4)); -! if ((amba_vendor(conf) == vendor) && (amba_device(conf) == driver)) { -! return (unsigned int)confp; -! } -! } -! return 0; -!} - - - .section ".text" - .align 4 - .global apbslv_scan - -apbslv_scan: - mov %o0, %g1 - mov 0, %o4 - sll %o4, 3, %o0 -.LL22: - add %g1, %o0, %o5 - ld [%g1+%o0], %o3 - srl %o3, 24, %o0 - cmp %o0, %o1 - bne,a .LL21 - add %o4, 1, %o4 - srl %o3, 12, %o0 - and %o0, 4095, %o0 - cmp %o0, %o2 - be .LL12 - mov %o5, %o3 - add %o4, 1, %o4 -.LL21: - cmp %o4, 15 - bleu,a .LL22 - sll %o4, 3, %o0 - mov 0, %o3 -.LL12: - retl - mov %o3, %o0 - - - -!unsigned int getbase(register unsigned int *mbar,register unsigned int iobase) { -! register unsigned int conf = mbar[1]; -! return ((iobase & 0xfff00000) | -! ((conf & 0xfff00000)>> 12)) & (((conf & 0x0000fff0) <<4) | 0xfff00000); -! -!} - - - .section ".text" - .align 4 - .global iobar_getbase - -iobar_getbase: - ld [%o0+4], %o2 - sethi %hi(-1048576), %o3 - and %o1, %o3, %o1 - and %o2, %o3, %o0 - srl %o0, 12, %o0 - or %o1, %o0, %o1 - sethi %hi(64512), %o0 - or %o0, 1008, %o0 - and %o2, %o0, %o2 - sll %o2, 4, %o2 - or %o2, %o3, %o2 - and %o1, %o2, %o1 - retl - mov %o1, %o0 - |