diff options
| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2018-01-20 19:16:02 +0100 |
|---|---|---|
| committer | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2018-01-26 12:38:13 +0100 |
| commit | 70d30d8684de09bfed3ecf4f23be9319aa699148 (patch) | |
| tree | 3bd652b46760971305ba00b9b53c91ddf190a359 /drivers/cpu | |
| parent | c320b923f5ef331d830cde298c48d8a72164025a (diff) | |
dm: cpu: bmips: add BCM6318 support
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Diffstat (limited to 'drivers/cpu')
| -rw-r--r-- | drivers/cpu/bmips_cpu.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/cpu/bmips_cpu.c b/drivers/cpu/bmips_cpu.c index 2e3f1de74e..4ad291a56e 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_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, @@ -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, }, { |