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dm: cpu: bmips: add BCM6362 support

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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas 2018-02-03 10:30:26 +01:00 committed by Daniel Schwierzeck
parent 9c0e2f6ed3
commit 1b075ba016
1 changed files with 51 additions and 0 deletions

51
drivers/cpu/bmips_cpu.c
View File

@ -50,6 +50,10 @@ DECLARE_GLOBAL_DATA_PTR;
#define DMIPSPLLCFG_6358_N2_SHIFT 29
#define DMIPSPLLCFG_6358_N2_MASK (0x7 << DMIPSPLLCFG_6358_N2_SHIFT)
#define REG_BCM6362_MISC_STRAPBUS 0x1814
#define STRAPBUS_6362_FCVO_SHIFT 1
#define STRAPBUS_6362_FCVO_MASK (0x1f << STRAPBUS_6362_FCVO_SHIFT)
#define REG_BCM6368_DDR_DMIPSPLLCFG 0x12a0
#define DMIPSPLLCFG_6368_P1_SHIFT 0
#define DMIPSPLLCFG_6368_P1_MASK (0xf << DMIPSPLLCFG_6368_P1_SHIFT)
@ -194,6 +198,44 @@ static ulong bcm6358_get_cpu_freq(struct bmips_cpu_priv *priv)
return (16 * 1000000 * n1 * n2) / m1;
}
static ulong bcm6362_get_cpu_freq(struct bmips_cpu_priv *priv)
{
unsigned int mips_pll_fcvo;
mips_pll_fcvo = readl_be(priv->regs + REG_BCM6362_MISC_STRAPBUS);
mips_pll_fcvo = (mips_pll_fcvo & STRAPBUS_6362_FCVO_MASK)
>> STRAPBUS_6362_FCVO_SHIFT;
switch (mips_pll_fcvo) {
case 0x03:
case 0x0b:
case 0x13:
case 0x1b:
return 240000000;
case 0x04:
case 0x0c:
case 0x14:
case 0x1c:
return 160000000;
case 0x05:
case 0x0e:
case 0x16:
case 0x1e:
case 0x1f:
return 400000000;
case 0x06:
return 440000000;
case 0x07:
case 0x17:
return 384000000;
case 0x15:
case 0x1d:
return 200000000;
default:
return 320000000;
}
}
static ulong bcm6368_get_cpu_freq(struct bmips_cpu_priv *priv)
{
unsigned int tmp, p1, p2, ndiv, m1;
@ -289,6 +331,12 @@ static const struct bmips_cpu_hw bmips_cpu_bcm6358 = {
.get_cpu_count = bcm6358_get_cpu_count,
};
static const struct bmips_cpu_hw bmips_cpu_bcm6362 = {
.get_cpu_desc = bmips_short_cpu_desc,
.get_cpu_freq = bcm6362_get_cpu_freq,
.get_cpu_count = bcm6358_get_cpu_count,
};
static const struct bmips_cpu_hw bmips_cpu_bcm6368 = {
.get_cpu_desc = bmips_short_cpu_desc,
.get_cpu_freq = bcm6368_get_cpu_freq,
@ -394,6 +442,9 @@ static const struct udevice_id bmips_cpu_ids[] = {
}, {
.compatible = "brcm,bcm6358-cpu",
.data = (ulong)&bmips_cpu_bcm6358,
}, {
.compatible = "brcm,bcm6362-cpu",
.data = (ulong)&bmips_cpu_bcm6362,
}, {
.compatible = "brcm,bcm6368-cpu",
.data = (ulong)&bmips_cpu_bcm6368,