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tegra210: Implement new get_gate method for tegra210 clocks.

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MFC after:	1 week
This commit is contained in:
Michal Meloun 2021-12-24 18:23:59 +01:00
parent 1a74d77f85
commit 7c0ec66385
2 changed files with 35 additions and 0 deletions
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20
sys/arm64/nvidia/tegra210/tegra210_clk_per.c
View File

@ -811,6 +811,7 @@ periph_register(struct clkdom *clkdom, struct periph_def *clkdef)
/* -------------------------------------------------------------------------- */
static int pgate_init(struct clknode *clk, device_t dev);
static int pgate_set_gate(struct clknode *clk, bool enable);
static int pgate_get_gate(struct clknode *clk, bool *enabled);
struct pgate_sc {
device_t clkdev;
@ -824,6 +825,7 @@ static clknode_method_t pgate_methods[] = {
/* Device interface */
CLKNODEMETHOD(clknode_init, pgate_init),
CLKNODEMETHOD(clknode_set_gate, pgate_set_gate),
CLKNODEMETHOD(clknode_get_gate, pgate_get_gate),
CLKNODEMETHOD_END
};
DEFINE_CLASS_1(tegra210_pgate, tegra210_pgate_class, pgate_methods,
@ -885,6 +887,24 @@ pgate_set_gate(struct clknode *clk, bool enable)
return(0);
}
static int
pgate_get_gate(struct clknode *clk, bool *enabled)
{
struct pgate_sc *sc;
uint32_t reg, mask, base_reg;
sc = clknode_get_softc(clk);
mask = 1 << (sc->idx % 32);
base_reg = get_enable_reg(sc->idx);
DEVICE_LOCK(sc);
RD4(sc, base_reg, &reg);
DEVICE_UNLOCK(sc);
*enabled = reg & mask ? true: false;
return(0);
}
int
tegra210_hwreset_by_idx(struct tegra210_car_softc *sc, intptr_t idx, bool reset)
{

15
sys/arm64/nvidia/tegra210/tegra210_clk_pll.c
View File

@ -568,6 +568,7 @@ static struct clk_div_def tegra210_pll_divs[] = {
static int tegra210_pll_init(struct clknode *clk, device_t dev);
static int tegra210_pll_set_gate(struct clknode *clk, bool enable);
static int tegra210_pll_get_gate(struct clknode *clk, bool *enabled);
static int tegra210_pll_recalc(struct clknode *clk, uint64_t *freq);
static int tegra210_pll_set_freq(struct clknode *clknode, uint64_t fin,
uint64_t *fout, int flags, int *stop);
@ -588,6 +589,7 @@ static clknode_method_t tegra210_pll_methods[] = {
/* Device interface */
CLKNODEMETHOD(clknode_init, tegra210_pll_init),
CLKNODEMETHOD(clknode_set_gate, tegra210_pll_set_gate),
CLKNODEMETHOD(clknode_get_gate, tegra210_pll_get_gate),
CLKNODEMETHOD(clknode_recalc_freq, tegra210_pll_recalc),
CLKNODEMETHOD(clknode_set_freq, tegra210_pll_set_freq),
CLKNODEMETHOD_END
@ -886,6 +888,19 @@ tegra210_pll_set_gate(struct clknode *clknode, bool enable)
return (rv);
}
static int
tegra210_pll_get_gate(struct clknode *clknode, bool *enabled)
{
uint32_t reg;
struct pll_sc *sc;
sc = clknode_get_softc(clknode);
RD4(sc, sc->base_reg, &reg);
*enabled = reg & PLL_BASE_ENABLE ? true: false;
WR4(sc, sc->base_reg, reg);
return (0);
}
static int
pll_set_std(struct pll_sc *sc, uint64_t fin, uint64_t *fout, int flags,
uint32_t m, uint32_t n, uint32_t p)