diff options
Diffstat (limited to 'drivers/cpu')
| -rw-r--r-- | drivers/cpu/bmips_cpu.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/cpu/bmips_cpu.c b/drivers/cpu/bmips_cpu.c index 4ad291a56e..6c612bacdc 100644 --- a/drivers/cpu/bmips_cpu.c +++ b/drivers/cpu/bmips_cpu.c @@ -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, @@ -395,6 +443,9 @@ 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, }, { |