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/*-
* Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
* All rights reserved.
*
* Developed by Semihalf.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of MARVELL nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/fdt.h>
#include <arm/mv/mvreg.h>
#include <arm/mv/mvvar.h>
#include <arm/mv/mvwin.h>
/*
* Virtual address space layout:
* -----------------------------
* 0x0000_0000 - 0xBFFF_FFFF : User Process (3 GB)
* 0xC000_0000 - virtual_avail : Kernel Reserved (text, data, page tables,
* : stack etc.)
* virtual-avail - 0xEFFF_FFFF : KVA (virtual_avail is typically < 0xc0a0_0000)
* 0xF000_0000 - 0xF0FF_FFFF : No-Cache allocation area (16 MB)
* 0xF100_0000 - 0xF10F_FFFF : SoC Integrated devices registers range (1 MB)
* 0xF110_0000 - 0xF11F_FFFF : PCI-Express I/O space (1MB)
* 0xF120_0000 - 0xF12F_FFFF : PCI I/O space (1MB)
* 0xF130_0000 - 0xF52F_FFFF : PCI-Express memory space (64MB)
* 0xF530_0000 - 0xF92F_FFFF : PCI memory space (64MB)
* 0xF930_0000 - 0xF93F_FFFF : Device Bus: BOOT (1 MB)
* 0xF940_0000 - 0xF94F_FFFF : Device Bus: CS0 (1 MB)
* 0xF950_0000 - 0xFB4F_FFFF : Device Bus: CS1 (32 MB)
* 0xFB50_0000 - 0xFB5F_FFFF : Device Bus: CS2 (1 MB)
* 0xFB60_0000 - 0xFFFE_FFFF : Unused (~74MB)
* 0xFFFF_0000 - 0xFFFF_0FFF : 'High' vectors page (4 kB)
* 0xFFFF_1000 - 0xFFFF_1FFF : ARM_TP_ADDRESS/RAS page (4 kB)
* 0xFFFF_2000 - 0xFFFF_FFFF : Unused (56 kB)
*/
struct resource_spec mv_gpio_res[] = {
{ SYS_RES_MEMORY, 0, RF_ACTIVE },
{ SYS_RES_IRQ, 0, RF_ACTIVE },
{ SYS_RES_IRQ, 1, RF_ACTIVE },
{ SYS_RES_IRQ, 2, RF_ACTIVE },
{ SYS_RES_IRQ, 3, RF_ACTIVE },
{ -1, 0 }
};
const struct decode_win idma_win_tbl[] = {
{ 0 },
};
const struct decode_win *idma_wins = idma_win_tbl;
int idma_wins_no = 0;
const struct decode_win xor_win_tbl[] = {
{ 0 },
};
const struct decode_win *xor_wins = xor_win_tbl;
int xor_wins_no = 0;
uint32_t
get_tclk(void)
{
uint32_t sar;
/*
* On Discovery TCLK is can be configured to 166 MHz or 200 MHz.
* Current setting is read from Sample At Reset register.
*/
sar = bus_space_read_4(fdtbus_bs_tag, MV_MPP_BASE, SAMPLE_AT_RESET_HI);
sar = (sar & TCLK_MASK) >> TCLK_SHIFT;
switch (sar) {
case 0:
return (TCLK_166MHZ);
case 1:
return (TCLK_200MHZ);
default:
panic("Unknown TCLK settings!");
}
}
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