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head/sys/arm64/qoriq/clk/ls1046a_clkgen.c
Property | Old Value | New Value |
---|---|---|
svn:keywords | null | FreeBSD=%H \ No newline at end of property |
/*- | |||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
* | |||||
* Copyright (c) 2020 Alstom Group. | |||||
* Copyright (c) 2020 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. | |||||
* | |||||
* THIS SOFTWARE IS PROVIDED BY THE 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 THE 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/bus.h> | |||||
#include <sys/kernel.h> | |||||
#include <sys/module.h> | |||||
#include <sys/mutex.h> | |||||
#include <sys/rman.h> | |||||
#include <machine/bus.h> | |||||
#include <dev/fdt/simplebus.h> | |||||
#include <dev/ofw/ofw_bus.h> | |||||
#include <dev/ofw/ofw_bus_subr.h> | |||||
#include <dev/extres/clk/clk_fixed.h> | |||||
#include <arm64/qoriq/clk/qoriq_clkgen.h> | |||||
static uint8_t ls1046a_pltfrm_pll_divs[] = { | |||||
2, 4, 0 | |||||
}; | |||||
static struct qoriq_clk_pll_def ls1046a_pltfrm_pll = { | |||||
.clkdef = { | |||||
.name = "ls1046a_platform_pll", | |||||
.id = QORIQ_CLK_ID(QORIQ_TYPE_PLATFORM_PLL, 0), | |||||
.flags = 0 | |||||
}, | |||||
.offset = 0xC00, | |||||
.shift = 1, | |||||
.mask = 0x7E, | |||||
.dividers = ls1046a_pltfrm_pll_divs, | |||||
.flags = 0 | |||||
}; | |||||
static const uint8_t ls1046a_cga1_pll_divs[] = { | |||||
2, 3, 4, 0 | |||||
}; | |||||
static struct qoriq_clk_pll_def ls1046a_cga1_pll = { | |||||
.clkdef = { | |||||
.name = "ls1046a_cga_pll1", | |||||
.id = QORIQ_CLK_ID(QORIQ_TYPE_INTERNAL, 0), | |||||
.flags = 0 | |||||
}, | |||||
.offset = 0x800, | |||||
.shift = 1, | |||||
.mask = 0x1FE, | |||||
.dividers = ls1046a_cga1_pll_divs, | |||||
.flags = QORIQ_CLK_PLL_HAS_KILL_BIT | |||||
}; | |||||
static struct qoriq_clk_pll_def ls1046a_cga2_pll = { | |||||
.clkdef = { | |||||
.name = "ls1046a_cga_pll2", | |||||
.id = QORIQ_CLK_ID(QORIQ_TYPE_INTERNAL, 20), | |||||
.flags = 0 | |||||
}, | |||||
.offset = 0x820, | |||||
.shift = 1, | |||||
.mask = 0x1FE, | |||||
.dividers = ls1046a_cga1_pll_divs, | |||||
.flags = QORIQ_CLK_PLL_HAS_KILL_BIT | |||||
}; | |||||
static struct qoriq_clk_pll_def *ls1046a_cga_plls[] = { | |||||
&ls1046a_cga1_pll, | |||||
&ls1046a_cga2_pll | |||||
}; | |||||
static const char *ls1046a_cmux0_parent_names[] = { | |||||
"ls1046a_cga_pll1", | |||||
NULL, | |||||
"ls1046a_cga_pll1_div2", | |||||
NULL, | |||||
"ls1046a_cga_pll2", | |||||
NULL, | |||||
"ls1046a_cga_pll2_div2" | |||||
}; | |||||
static struct clk_mux_def ls1046a_cmux0 = { | |||||
.clkdef = { | |||||
.name = "ls1046a_cmux0", | |||||
.id = QORIQ_CLK_ID(QORIQ_TYPE_CMUX, 0), | |||||
.parent_names = ls1046a_cmux0_parent_names, | |||||
.parent_cnt = nitems(ls1046a_cmux0_parent_names), | |||||
.flags = 0 | |||||
}, | |||||
.offset = 0, | |||||
.shift = 27, | |||||
.width = 4, | |||||
.mux_flags = 0 | |||||
}; | |||||
static const char *ls1046a_hwaccel1_parent_names[] = { | |||||
NULL, | |||||
NULL, | |||||
"ls1046a_cga_pll1_div2", | |||||
"ls1046a_cga_pll1_div3", | |||||
"ls1046a_cga_pll1_div4", | |||||
"ls1046a_platform_pll", | |||||
"ls1046a_cga_pll2_div2", | |||||
"ls1046a_cga_pll2_div3" | |||||
}; | |||||
static const char *ls1046a_hwaccel2_parent_names[] = { | |||||
NULL, | |||||
"ls1046a_cga_pll2", | |||||
"ls1046a_cga_pll2_div2", | |||||
"ls1046a_cga_pll2_div3", | |||||
NULL, | |||||
NULL, | |||||
"ls1046a_cga_pll1_div2" | |||||
}; | |||||
static struct clk_mux_def ls1046a_hwaccel1 = { | |||||
.clkdef = { | |||||
.name = "ls1046a_hwaccel1", | |||||
.id = QORIQ_CLK_ID(QORIQ_TYPE_HWACCEL, 0), | |||||
.parent_names = ls1046a_hwaccel1_parent_names, | |||||
.parent_cnt = nitems(ls1046a_hwaccel1_parent_names), | |||||
.flags = 0 | |||||
}, | |||||
.offset = 0x10, | |||||
.shift = 27, | |||||
.width = 4, | |||||
.mux_flags = 0 | |||||
}; | |||||
static struct clk_mux_def ls1046a_hwaccel2 = { | |||||
.clkdef = { | |||||
.name = "ls1046a_hwaccel2", | |||||
.id = QORIQ_CLK_ID(QORIQ_TYPE_HWACCEL, 1), | |||||
.parent_names = ls1046a_hwaccel2_parent_names, | |||||
.parent_cnt = nitems(ls1046a_hwaccel2_parent_names), | |||||
.flags = 0 | |||||
}, | |||||
.offset = 0x30, | |||||
.shift = 27, | |||||
.width = 4, | |||||
.mux_flags = 0 | |||||
}; | |||||
static struct clk_mux_def *ls1046a_mux_nodes[] = { | |||||
&ls1046a_cmux0, | |||||
&ls1046a_hwaccel1, | |||||
&ls1046a_hwaccel2 | |||||
}; | |||||
const char *ls1046a_fman_srcs[] = { | |||||
"ls1046a_hwaccel1" | |||||
}; | |||||
static int ls1046a_clkgen_probe(device_t); | |||||
static int ls1046a_clkgen_attach(device_t); | |||||
static device_method_t ls1046a_clkgen_methods[] = { | |||||
DEVMETHOD(device_probe, ls1046a_clkgen_probe), | |||||
DEVMETHOD(device_attach, ls1046a_clkgen_attach), | |||||
DEVMETHOD_END | |||||
}; | |||||
DEFINE_CLASS_1(ls1046a_clkgen, ls1046a_clkgen_driver, ls1046a_clkgen_methods, | |||||
sizeof(struct qoriq_clkgen_softc), qoriq_clkgen_driver); | |||||
static devclass_t ls1046a_clkgen_devclass; | |||||
EARLY_DRIVER_MODULE(ls1046a_clkgen, simplebus, ls1046a_clkgen_driver, | |||||
ls1046a_clkgen_devclass, 0, 0, BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE); | |||||
static int | |||||
ls1046a_fman_init(device_t dev) | |||||
{ | |||||
struct qoriq_clkgen_softc *sc; | |||||
struct clk_fixed_def def; | |||||
int error; | |||||
sc = device_get_softc(dev); | |||||
def.clkdef.name = "ls1046a_fman", | |||||
def.clkdef.id = QORIQ_CLK_ID(QORIQ_TYPE_FMAN, 0), | |||||
def.clkdef.parent_names = ls1046a_fman_srcs; | |||||
def.clkdef.parent_cnt = nitems(ls1046a_fman_srcs); | |||||
def.clkdef.flags = 0; | |||||
def.freq = 0; | |||||
def.mult = 1; | |||||
def.div = 1; | |||||
def.fixed_flags = 0; | |||||
error = clknode_fixed_register(sc->clkdom, &def); | |||||
return (error); | |||||
} | |||||
static int | |||||
ls1046a_clkgen_probe(device_t dev) | |||||
{ | |||||
if (!ofw_bus_status_okay(dev)) | |||||
return (ENXIO); | |||||
if(!ofw_bus_is_compatible(dev, "fsl,ls1046a-clockgen")) | |||||
return (ENXIO); | |||||
device_set_desc(dev, "LS1046A clockgen"); | |||||
return (BUS_PROBE_DEFAULT); | |||||
} | |||||
static int | |||||
ls1046a_clkgen_attach(device_t dev) | |||||
{ | |||||
struct qoriq_clkgen_softc *sc; | |||||
sc = device_get_softc(dev); | |||||
sc->pltfrm_pll_def = &ls1046a_pltfrm_pll; | |||||
sc->cga_pll = ls1046a_cga_plls; | |||||
sc->cga_pll_num = nitems(ls1046a_cga_plls); | |||||
sc->mux = ls1046a_mux_nodes; | |||||
sc->mux_num = nitems(ls1046a_mux_nodes); | |||||
sc->init_func = ls1046a_fman_init; | |||||
sc->flags = 0; | |||||
return (qoriq_clkgen_attach(dev)); | |||||
} |