--- /dev/null
+/* Blackfin Pin Interrupt (PINT) model
+
+ Copyright (C) 2010-2012 Free Software Foundation, Inc.
+ Contributed by Analog Devices, Inc. and Mike Frysinger.
+
+ This file is part of simulators.
+
+ 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 3 of the License, or
+ (at your option) any later version.
+
+ 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 "config.h"
+
+#include "sim-main.h"
+#include "devices.h"
+#include "dv-bfin_pint.h"
+
+struct bfin_pint
+{
+ bu32 base;
+
+ /* Only accessed indirectly via the associated set/clear MMRs. */
+ bu32 mask, edge, invert;
+
+ /* Order after here is important -- matches hardware MMR layout. */
+ bu32 mask_set;
+ bu32 mask_clear;
+ bu32 request;
+ bu32 assign;
+ bu32 edge_set;
+ bu32 edge_clear;
+ bu32 invert_set;
+ bu32 invert_clear;
+ bu32 pinstate;
+ bu32 latch;
+};
+#define mmr_base() offsetof(struct bfin_pint, mask_set)
+#define mmr_offset(mmr) (offsetof(struct bfin_pint, mmr) - mmr_base())
+
+static const char * const mmr_names[] =
+{
+ "PINT_MASK_SET", "PINT_MASK_CLEAR", "PINT_REQUEST", "PINT_ASSIGN",
+ "PINT_EDGE_SET", "PINT_EDGE_CLEAR", "PINT_INVERT_SET",
+ "PINT_INVERT_CLEAR", "PINT_PINSTATE", "PINT_LATCH",
+};
+#define mmr_name(off) mmr_names[(off) / 4]
+
+static unsigned
+bfin_pint_io_write_buffer (struct hw *me, const void *source, int space,
+ address_word addr, unsigned nr_bytes)
+{
+ struct bfin_pint *pint = hw_data (me);
+ bu32 mmr_off;
+ bu32 value;
+ bu32 *valuep;
+
+ if (nr_bytes == 4)
+ value = dv_load_4 (source);
+ else
+ value = dv_load_2 (source);
+ mmr_off = addr - pint->base;
+ valuep = (void *)((unsigned long)pint + mmr_base() + mmr_off);
+
+ HW_TRACE_WRITE ();
+
+ /* XXX: The hardware allows 16 or 32 bit accesses ... */
+ dv_bfin_mmr_require_32 (me, addr, nr_bytes, true);
+
+ switch (mmr_off)
+ {
+ case mmr_offset(request):
+ case mmr_offset(assign):
+ case mmr_offset(pinstate):
+ case mmr_offset(latch):
+ *valuep = value;
+ break;
+ case mmr_offset(mask_set):
+ dv_w1c_4 (&pint->mask, value, -1);
+ break;
+ case mmr_offset(mask_clear):
+ pint->mask |= value;
+ break;
+ case mmr_offset(edge_set):
+ dv_w1c_4 (&pint->edge, value, -1);
+ break;
+ case mmr_offset(edge_clear):
+ pint->edge |= value;
+ break;
+ case mmr_offset(invert_set):
+ dv_w1c_4 (&pint->invert, value, -1);
+ break;
+ case mmr_offset(invert_clear):
+ pint->invert |= value;
+ break;
+ default:
+ dv_bfin_mmr_invalid (me, addr, nr_bytes, true);
+ break;
+ }
+
+#if 0
+ /* If updating masks, make sure we send updated port info. */
+ switch (mmr_off)
+ {
+ case mmr_offset(dir):
+ case mmr_offset(data) ... mmr_offset(toggle):
+ bfin_pint_forward_ouput (me, pint, data);
+ break;
+ case mmr_offset(maska) ... mmr_offset(maska_toggle):
+ bfin_pint_forward_int (me, pint, pint->maska, 0);
+ break;
+ case mmr_offset(maskb) ... mmr_offset(maskb_toggle):
+ bfin_pint_forward_int (me, pint, pint->maskb, 1);
+ break;
+ }
+#endif
+
+ return nr_bytes;
+}
+
+static unsigned
+bfin_pint_io_read_buffer (struct hw *me, void *dest, int space,
+ address_word addr, unsigned nr_bytes)
+{
+ struct bfin_pint *pint = hw_data (me);
+ bu32 mmr_off;
+ bu32 *valuep;
+
+ mmr_off = addr - pint->base;
+ valuep = (void *)((unsigned long)pint + mmr_base() + mmr_off);
+
+ HW_TRACE_READ ();
+
+ /* XXX: The hardware allows 16 or 32 bit accesses ... */
+ dv_bfin_mmr_require_32 (me, addr, nr_bytes, false);
+
+ switch (mmr_off)
+ {
+ case mmr_offset(request):
+ case mmr_offset(assign):
+ case mmr_offset(pinstate):
+ case mmr_offset(latch):
+ dv_store_4 (dest, *valuep);
+ break;
+ case mmr_offset(mask_set):
+ case mmr_offset(mask_clear):
+ dv_store_4 (dest, pint->mask);
+ break;
+ case mmr_offset(edge_set):
+ case mmr_offset(edge_clear):
+ dv_store_4 (dest, pint->edge);
+ break;
+ case mmr_offset(invert_set):
+ case mmr_offset(invert_clear):
+ dv_store_4 (dest, pint->invert);
+ break;
+ default:
+ dv_bfin_mmr_invalid (me, addr, nr_bytes, false);
+ break;
+ }
+
+ return nr_bytes;
+}
+
+#define ENC(bmap, piq) (((bmap) << 8) + (piq))
+
+#define PIQ_PORTS(n) \
+ { "piq0@"#n, ENC(n, 0), 0, input_port, }, \
+ { "piq1@"#n, ENC(n, 1), 0, input_port, }, \
+ { "piq2@"#n, ENC(n, 2), 0, input_port, }, \
+ { "piq3@"#n, ENC(n, 3), 0, input_port, }, \
+ { "piq4@"#n, ENC(n, 4), 0, input_port, }, \
+ { "piq5@"#n, ENC(n, 5), 0, input_port, }, \
+ { "piq6@"#n, ENC(n, 6), 0, input_port, }, \
+ { "piq7@"#n, ENC(n, 7), 0, input_port, }, \
+ { "piq8@"#n, ENC(n, 8), 0, input_port, }, \
+ { "piq9@"#n, ENC(n, 9), 0, input_port, }, \
+ { "piq10@"#n, ENC(n, 10), 0, input_port, }, \
+ { "piq11@"#n, ENC(n, 11), 0, input_port, }, \
+ { "piq12@"#n, ENC(n, 12), 0, input_port, }, \
+ { "piq13@"#n, ENC(n, 13), 0, input_port, }, \
+ { "piq14@"#n, ENC(n, 14), 0, input_port, }, \
+ { "piq15@"#n, ENC(n, 15), 0, input_port, }, \
+ { "piq16@"#n, ENC(n, 16), 0, input_port, }, \
+ { "piq17@"#n, ENC(n, 17), 0, input_port, }, \
+ { "piq18@"#n, ENC(n, 18), 0, input_port, }, \
+ { "piq19@"#n, ENC(n, 19), 0, input_port, }, \
+ { "piq20@"#n, ENC(n, 20), 0, input_port, }, \
+ { "piq21@"#n, ENC(n, 21), 0, input_port, }, \
+ { "piq22@"#n, ENC(n, 22), 0, input_port, }, \
+ { "piq23@"#n, ENC(n, 23), 0, input_port, }, \
+ { "piq24@"#n, ENC(n, 24), 0, input_port, }, \
+ { "piq25@"#n, ENC(n, 25), 0, input_port, }, \
+ { "piq26@"#n, ENC(n, 26), 0, input_port, }, \
+ { "piq27@"#n, ENC(n, 27), 0, input_port, }, \
+ { "piq28@"#n, ENC(n, 28), 0, input_port, }, \
+ { "piq29@"#n, ENC(n, 29), 0, input_port, }, \
+ { "piq30@"#n, ENC(n, 30), 0, input_port, }, \
+ { "piq31@"#n, ENC(n, 31), 0, input_port, },
+
+static const struct hw_port_descriptor bfin_pint_ports[] =
+{
+ { "stat", 0, 0, output_port, },
+ PIQ_PORTS(0)
+ PIQ_PORTS(1)
+ PIQ_PORTS(2)
+ PIQ_PORTS(3)
+ PIQ_PORTS(4)
+ PIQ_PORTS(5)
+ PIQ_PORTS(6)
+ PIQ_PORTS(7)
+ { NULL, 0, 0, 0, },
+};
+
+static void
+bfin_pint_port_event (struct hw *me, int my_port, struct hw *source,
+ int source_port, int level)
+{
+ /* XXX: TODO. */
+}
+
+static void
+attach_bfin_pint_regs (struct hw *me, struct bfin_pint *pint)
+{
+ address_word attach_address;
+ int attach_space;
+ unsigned attach_size;
+ reg_property_spec reg;
+
+ if (hw_find_property (me, "reg") == NULL)
+ hw_abort (me, "Missing \"reg\" property");
+
+ if (!hw_find_reg_array_property (me, "reg", 0, ®))
+ hw_abort (me, "\"reg\" property must contain three addr/size entries");
+
+ hw_unit_address_to_attach_address (hw_parent (me),
+ ®.address,
+ &attach_space, &attach_address, me);
+ hw_unit_size_to_attach_size (hw_parent (me), ®.size, &attach_size, me);
+
+ if (attach_size != BFIN_MMR_PINT_SIZE)
+ hw_abort (me, "\"reg\" size must be %#x", BFIN_MMR_PINT_SIZE);
+
+ hw_attach_address (hw_parent (me),
+ 0, attach_space, attach_address, attach_size, me);
+
+ pint->base = attach_address;
+}
+
+static void
+bfin_pint_finish (struct hw *me)
+{
+ struct bfin_pint *pint;
+
+ pint = HW_ZALLOC (me, struct bfin_pint);
+
+ set_hw_data (me, pint);
+ set_hw_io_read_buffer (me, bfin_pint_io_read_buffer);
+ set_hw_io_write_buffer (me, bfin_pint_io_write_buffer);
+ set_hw_ports (me, bfin_pint_ports);
+ set_hw_port_event (me, bfin_pint_port_event);
+
+ /* Initialize the PINT. */
+ switch (dv_get_bus_num (me))
+ {
+ case 0:
+ pint->assign = 0x00000101;
+ break;
+ case 1:
+ pint->assign = 0x01010000;
+ break;
+ case 2:
+ pint->assign = 0x00000101;
+ break;
+ case 3:
+ pint->assign = 0x02020303;
+ break;
+ default:
+ /* XXX: Should move this default into device tree. */
+ hw_abort (me, "no support for PINT at this address yet");
+ }
+
+ attach_bfin_pint_regs (me, pint);
+}
+
+const struct hw_descriptor dv_bfin_pint_descriptor[] =
+{
+ {"bfin_pint", bfin_pint_finish,},
+ {NULL, NULL},
+};
/* Simulator for Analog Devices Blackfin processors.
Copyright (C) 2005-2012 Free Software Foundation, Inc.
- Contributed by Analog Devices, Inc.
+ Contributed by Analog Devices, Inc. and Mike Frysinger.
This file is part of simulators.
DEVICE (0xFFC00A00, BF54X_MMR_EBIU_AMC_SIZE, "bfin_ebiu_amc"),
DEVICE (0xFFC00A20, BFIN_MMR_EBIU_DDRC_SIZE, "bfin_ebiu_ddrc"),
_DEVICE (0xFFC01300, BFIN_MMR_EPPI_SIZE, "bfin_eppi@1", 1),
+ DEVICE (0xFFC01400, BFIN_MMR_PINT_SIZE, "bfin_pint@0"),
+ DEVICE (0xFFC01430, BFIN_MMR_PINT_SIZE, "bfin_pint@1"),
+ _DEVICE (0xFFC01460, BFIN_MMR_PINT_SIZE, "bfin_pint@2", 2),
+ _DEVICE (0xFFC01490, BFIN_MMR_PINT_SIZE, "bfin_pint@3", 2),
DEVICE (0xFFC014C0, BFIN_MMR_GPIO2_SIZE, "bfin_gpio2@0"),
DEVICE (0xFFC014E0, BFIN_MMR_GPIO2_SIZE, "bfin_gpio2@1"),
DEVICE (0xFFC01500, BFIN_MMR_GPIO2_SIZE, "bfin_gpio2@2"),
DEVICE (0xFFC00A20, BFIN_MMR_EBIU_DDRC_SIZE, "bfin_ebiu_ddrc"),
_DEVICE (0xFFC01000, BFIN_MMR_EPPI_SIZE, "bfin_eppi@0", 1),
_DEVICE (0xFFC01300, BFIN_MMR_EPPI_SIZE, "bfin_eppi@1", 1),
+ DEVICE (0xFFC01400, BFIN_MMR_PINT_SIZE, "bfin_pint@0"),
+ DEVICE (0xFFC01430, BFIN_MMR_PINT_SIZE, "bfin_pint@1"),
+ _DEVICE (0xFFC01460, BFIN_MMR_PINT_SIZE, "bfin_pint@2", 2),
+ _DEVICE (0xFFC01490, BFIN_MMR_PINT_SIZE, "bfin_pint@3", 2),
DEVICE (0xFFC014C0, BFIN_MMR_GPIO2_SIZE, "bfin_gpio2@0"),
DEVICE (0xFFC014E0, BFIN_MMR_GPIO2_SIZE, "bfin_gpio2@1"),
DEVICE (0xFFC01500, BFIN_MMR_GPIO2_SIZE, "bfin_gpio2@2"),
DEVICE (0xFFC00A20, BFIN_MMR_EBIU_DDRC_SIZE, "bfin_ebiu_ddrc"),
_DEVICE (0xFFC01000, BFIN_MMR_EPPI_SIZE, "bfin_eppi@0", 1),
_DEVICE (0xFFC01300, BFIN_MMR_EPPI_SIZE, "bfin_eppi@1", 1),
+ DEVICE (0xFFC01400, BFIN_MMR_PINT_SIZE, "bfin_pint@0"),
+ DEVICE (0xFFC01430, BFIN_MMR_PINT_SIZE, "bfin_pint@1"),
+ _DEVICE (0xFFC01460, BFIN_MMR_PINT_SIZE, "bfin_pint@2", 2),
+ _DEVICE (0xFFC01490, BFIN_MMR_PINT_SIZE, "bfin_pint@3", 2),
DEVICE (0xFFC014C0, BFIN_MMR_GPIO2_SIZE, "bfin_gpio2@0"),
DEVICE (0xFFC014E0, BFIN_MMR_GPIO2_SIZE, "bfin_gpio2@1"),
DEVICE (0xFFC01500, BFIN_MMR_GPIO2_SIZE, "bfin_gpio2@2"),
#define bf547_dmac bf54x_dmac
#define bf548_dmac bf54x_dmac
#define bf549_dmac bf54x_dmac
+#define PINT_PIQS(p, b, g) \
+ PORT (p, "piq0@"#b, g, "p0"), \
+ PORT (p, "piq1@"#b, g, "p1"), \
+ PORT (p, "piq2@"#b, g, "p2"), \
+ PORT (p, "piq3@"#b, g, "p3"), \
+ PORT (p, "piq4@"#b, g, "p4"), \
+ PORT (p, "piq5@"#b, g, "p5"), \
+ PORT (p, "piq6@"#b, g, "p6"), \
+ PORT (p, "piq7@"#b, g, "p7"), \
+ PORT (p, "piq8@"#b, g, "p8"), \
+ PORT (p, "piq9@"#b, g, "p9"), \
+ PORT (p, "piq10@"#b, g, "p10"), \
+ PORT (p, "piq11@"#b, g, "p11"), \
+ PORT (p, "piq12@"#b, g, "p12"), \
+ PORT (p, "piq13@"#b, g, "p13"), \
+ PORT (p, "piq14@"#b, g, "p14"), \
+ PORT (p, "piq15@"#b, g, "p15")
static const struct bfin_port_layout bf54x_port[] =
{
SIC (0, 0, "bfin_pll", "pll"),
SIC (0, 17, "bfin_gptimer@9", "stat"),
SIC (0, 18, "bfin_gptimer@10", "stat"),
SIC (0, 19, "bfin_pint@0", "stat"),
+ PINT_PIQS ("bfin_pint@0", 0, "bfin_gpio2@0"),
+ PINT_PIQS ("bfin_pint@0", 1, "bfin_gpio2@1"),
SIC (0, 20, "bfin_pint@1", "stat"),
+ PINT_PIQS ("bfin_pint@1", 0, "bfin_gpio2@0"),
+ PINT_PIQS ("bfin_pint@1", 1, "bfin_gpio2@1"),
SIC (0, 21, "bfin_dma@256", "di"), /* mdma0 */
SIC (0, 21, "bfin_dma@257", "di"), /* mdma0 */
SIC (0, 22, "bfin_dma@258", "di"), /* mdma1 */
SIC (2, 28, "bfin_gptimer@6", "stat"),
SIC (2, 29, "bfin_gptimer@7", "stat"),
SIC (2, 30, "bfin_pint@2", "stat"),
+ PINT_PIQS ("bfin_pint@2", 0, "bfin_gpio2@2"),
+ PINT_PIQS ("bfin_pint@2", 1, "bfin_gpio2@3"),
+ PINT_PIQS ("bfin_pint@2", 2, "bfin_gpio2@4"),
+ PINT_PIQS ("bfin_pint@2", 3, "bfin_gpio2@5"),
+ PINT_PIQS ("bfin_pint@2", 4, "bfin_gpio2@6"),
+ PINT_PIQS ("bfin_pint@2", 5, "bfin_gpio2@7"),
+ PINT_PIQS ("bfin_pint@2", 6, "bfin_gpio2@8"),
+ PINT_PIQS ("bfin_pint@2", 7, "bfin_gpio2@9"),
SIC (2, 31, "bfin_pint@3", "stat"),
+ PINT_PIQS ("bfin_pint@3", 0, "bfin_gpio2@2"),
+ PINT_PIQS ("bfin_pint@3", 1, "bfin_gpio2@3"),
+ PINT_PIQS ("bfin_pint@3", 2, "bfin_gpio2@4"),
+ PINT_PIQS ("bfin_pint@3", 3, "bfin_gpio2@5"),
+ PINT_PIQS ("bfin_pint@3", 4, "bfin_gpio2@6"),
+ PINT_PIQS ("bfin_pint@3", 5, "bfin_gpio2@7"),
+ PINT_PIQS ("bfin_pint@3", 6, "bfin_gpio2@8"),
+ PINT_PIQS ("bfin_pint@3", 7, "bfin_gpio2@9"),
};
#define bf542_port bf54x_port
#define bf544_port bf54x_port
projects / platform / upstream / binutils.git / commitdiff