diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/misc/meson.build | 1 | ||||
| -rw-r--r-- | hw/misc/omap_l4.c | 162 |
2 files changed, 0 insertions, 163 deletions
diff --git a/hw/misc/meson.build b/hw/misc/meson.build index b7e97e47cf..a2951951b5 100644 --- a/hw/misc/meson.build +++ b/hw/misc/meson.build @@ -75,7 +75,6 @@ system_ss.add(when: 'CONFIG_NPCM7XX', if_true: files( )) system_ss.add(when: 'CONFIG_OMAP', if_true: files( 'omap_clk.c', - 'omap_l4.c', )) system_ss.add(when: 'CONFIG_RASPI', if_true: files( 'bcm2835_mbox.c', diff --git a/hw/misc/omap_l4.c b/hw/misc/omap_l4.c deleted file mode 100644 index b7875489da..0000000000 --- a/hw/misc/omap_l4.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * TI OMAP L4 interconnect emulation. - * - * Copyright (C) 2007-2009 Nokia Corporation - * Written by Andrzej Zaborowski <andrew@openedhand.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 or - * (at your option) any later version of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. - */ -#include "qemu/osdep.h" -#include "hw/arm/omap.h" - -struct omap_l4_s { - MemoryRegion *address_space; - hwaddr base; - int ta_num; - struct omap_target_agent_s ta[]; -}; - -struct omap_l4_s *omap_l4_init(MemoryRegion *address_space, - hwaddr base, int ta_num) -{ - struct omap_l4_s *bus = g_malloc0( - sizeof(*bus) + ta_num * sizeof(*bus->ta)); - - bus->address_space = address_space; - bus->ta_num = ta_num; - bus->base = base; - - return bus; -} - -hwaddr omap_l4_region_base(struct omap_target_agent_s *ta, - int region) -{ - return ta->bus->base + ta->start[region].offset; -} - -hwaddr omap_l4_region_size(struct omap_target_agent_s *ta, - int region) -{ - return ta->start[region].size; -} - -static uint64_t omap_l4ta_read(void *opaque, hwaddr addr, unsigned size) -{ - struct omap_target_agent_s *s = opaque; - - if (size != 2) { - return omap_badwidth_read16(opaque, addr); - } - - switch (addr) { - case 0x00: /* COMPONENT */ - return s->component; - - case 0x20: /* AGENT_CONTROL */ - return s->control; - - case 0x28: /* AGENT_STATUS */ - return s->status; - } - - OMAP_BAD_REG(addr); - return 0; -} - -static void omap_l4ta_write(void *opaque, hwaddr addr, - uint64_t value, unsigned size) -{ - struct omap_target_agent_s *s = opaque; - - if (size != 4) { - omap_badwidth_write32(opaque, addr, value); - return; - } - - switch (addr) { - case 0x00: /* COMPONENT */ - case 0x28: /* AGENT_STATUS */ - OMAP_RO_REG(addr); - break; - - case 0x20: /* AGENT_CONTROL */ - s->control = value & 0x01000700; - if (value & 1) /* OCP_RESET */ - s->status &= ~1; /* REQ_TIMEOUT */ - break; - - default: - OMAP_BAD_REG(addr); - } -} - -static const MemoryRegionOps omap_l4ta_ops = { - .read = omap_l4ta_read, - .write = omap_l4ta_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -struct omap_target_agent_s *omap_l4ta_get(struct omap_l4_s *bus, - const struct omap_l4_region_s *regions, - const struct omap_l4_agent_info_s *agents, - int cs) -{ - int i; - struct omap_target_agent_s *ta = NULL; - const struct omap_l4_agent_info_s *info = NULL; - - for (i = 0; i < bus->ta_num; i ++) - if (agents[i].ta == cs) { - ta = &bus->ta[i]; - info = &agents[i]; - break; - } - if (!ta) { - fprintf(stderr, "%s: bad target agent (%i)\n", __func__, cs); - exit(-1); - } - - ta->bus = bus; - ta->start = ®ions[info->region]; - ta->regions = info->regions; - - ta->component = ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0); - ta->status = 0x00000000; - ta->control = 0x00000200; /* XXX 01000200 for L4TAO */ - - memory_region_init_io(&ta->iomem, NULL, &omap_l4ta_ops, ta, "omap.l4ta", - omap_l4_region_size(ta, info->ta_region)); - omap_l4_attach(ta, info->ta_region, &ta->iomem); - - return ta; -} - -hwaddr omap_l4_attach(struct omap_target_agent_s *ta, - int region, MemoryRegion *mr) -{ - hwaddr base; - - if (region < 0 || region >= ta->regions) { - fprintf(stderr, "%s: bad io region (%i)\n", __func__, region); - exit(-1); - } - - base = ta->bus->base + ta->start[region].offset; - if (mr) { - memory_region_add_subregion(ta->bus->address_space, base, mr); - } - - return base; -} |