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dm: cpu: bmips: add BCM6318 support

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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas 2018-01-20 19:16:02 +01:00 committed by Daniel Schwierzeck
parent c320b923f5
commit 70d30d8684
1 changed files with 35 additions and 0 deletions
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35
drivers/cpu/bmips_cpu.c
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@ -26,6 +26,10 @@ DECLARE_GLOBAL_DATA_PTR;
#define REG_BCM6328_OTP 0x62c
#define BCM6328_TP1_DISABLED BIT(9)
#define REG_BCM6318_STRAP_OVRDBUS 0x900
#define OVRDBUS_6318_FREQ_SHIFT 23
#define OVRDBUS_6318_FREQ_MASK (0x3 << OVRDBUS_6318_FREQ_SHIFT)
#define REG_BCM6328_MISC_STRAPBUS 0x1a40
#define STRAPBUS_6328_FCVO_SHIFT 7
#define STRAPBUS_6328_FCVO_MASK (0x1f << STRAPBUS_6328_FCVO_SHIFT)
@ -112,6 +116,28 @@ static ulong bcm3380_get_cpu_freq(struct bmips_cpu_priv *priv)
return 333000000;
}
static ulong bcm6318_get_cpu_freq(struct bmips_cpu_priv *priv)
{
unsigned int mips_pll_fcvo;
mips_pll_fcvo = readl_be(priv->regs + REG_BCM6318_STRAP_OVRDBUS);
mips_pll_fcvo = (mips_pll_fcvo & OVRDBUS_6318_FREQ_MASK)
>> OVRDBUS_6318_FREQ_SHIFT;
switch (mips_pll_fcvo) {
case 0:
return 166000000;
case 1:
return 400000000;
case 2:
return 250000000;
case 3:
return 333000000;
default:
return 0;
}
}
static ulong bcm6328_get_cpu_freq(struct bmips_cpu_priv *priv)
{
unsigned int mips_pll_fcvo;
@ -233,6 +259,12 @@ static const struct bmips_cpu_hw bmips_cpu_bcm3380 = {
.get_cpu_count = bcm6358_get_cpu_count,
};
static const struct bmips_cpu_hw bmips_cpu_bcm6318 = {
.get_cpu_desc = bmips_short_cpu_desc,
.get_cpu_freq = bcm6318_get_cpu_freq,
.get_cpu_count = bcm6345_get_cpu_count,
};
static const struct bmips_cpu_hw bmips_cpu_bcm6328 = {
.get_cpu_desc = bmips_long_cpu_desc,
.get_cpu_freq = bcm6328_get_cpu_freq,
@ -347,6 +379,9 @@ static const struct udevice_id bmips_cpu_ids[] = {
{
.compatible = "brcm,bcm3380-cpu",
.data = (ulong)&bmips_cpu_bcm3380,
}, {
.compatible = "brcm,bcm6318-cpu",
.data = (ulong)&bmips_cpu_bcm6318,
}, {
.compatible = "brcm,bcm6328-cpu",
.data = (ulong)&bmips_cpu_bcm6328,