Signed-off-by: Álvaro Fernández Rojas <nolt...@gmail.com>
---
drivers/cpu/bmips_cpu.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/drivers/cpu/bmips_cpu.c b/drivers/cpu/bmips_cpu.c
index 2e3f1de74e..1fe5d106d0 100644
--- a/drivers/cpu/bmips_cpu.c
+++ b/drivers/cpu/bmips_cpu.c
@@ -26,6 +26,10 @@ DECLARE_GLOBAL_DATA_PTR;
#define REG_BCM6328_OTP 0x62c
#define BCM6328_TP1_DISABLED BIT(9)
+#define REG_BCM6328_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_BCM6328_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,
@@ -348,6 +380,9 @@ 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,
}, {
--
2.11.0
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