diff options
Diffstat (limited to 'drivers/cpu/bmips_cpu.c')
| -rw-r--r-- | drivers/cpu/bmips_cpu.c | 72 |
1 files changed, 67 insertions, 5 deletions
diff --git a/drivers/cpu/bmips_cpu.c b/drivers/cpu/bmips_cpu.c index 379acf2..07a873a 100644 --- a/drivers/cpu/bmips_cpu.c +++ b/drivers/cpu/bmips_cpu.c @@ -30,6 +30,14 @@ DECLARE_GLOBAL_DATA_PTR; #define STRAPBUS_6328_FCVO_SHIFT 7 #define STRAPBUS_6328_FCVO_MASK (0x1f << STRAPBUS_6328_FCVO_SHIFT) +#define REG_BCM6348_PERF_MIPSPLLCFG 0x34 +#define MIPSPLLCFG_6348_M1CPU_SHIFT 6 +#define MIPSPLLCFG_6348_M1CPU_MASK (0x7 << MIPSPLLCFG_6348_M1CPU_SHIFT) +#define MIPSPLLCFG_6348_N2_SHIFT 15 +#define MIPSPLLCFG_6348_N2_MASK (0x1F << MIPSPLLCFG_6348_N2_SHIFT) +#define MIPSPLLCFG_6348_N1_SHIFT 20 +#define MIPSPLLCFG_6348_N1_MASK (0x7 << MIPSPLLCFG_6348_N1_SHIFT) + #define REG_BCM6358_DDR_DMIPSPLLCFG 0x12b8 #define DMIPSPLLCFG_6358_M1_SHIFT 0 #define DMIPSPLLCFG_6358_M1_MASK (0xff << DMIPSPLLCFG_6358_M1_SHIFT) @@ -56,7 +64,7 @@ struct bmips_cpu_priv { }; /* Specific CPU Ops */ -static int bcm6358_get_cpu_desc(struct bmips_cpu_priv *priv, char *buf, +static int bmips_short_cpu_desc(struct bmips_cpu_priv *priv, char *buf, int size) { unsigned short cpu_id; @@ -72,7 +80,7 @@ static int bcm6358_get_cpu_desc(struct bmips_cpu_priv *priv, char *buf, return 0; } -static int bcm6328_get_cpu_desc(struct bmips_cpu_priv *priv, char *buf, +static int bmips_long_cpu_desc(struct bmips_cpu_priv *priv, char *buf, int size) { unsigned int cpu_id; @@ -88,6 +96,11 @@ static int bcm6328_get_cpu_desc(struct bmips_cpu_priv *priv, char *buf, return 0; } +static ulong bcm3380_get_cpu_freq(struct bmips_cpu_priv *priv) +{ + return 333000000; +} + static ulong bcm6328_get_cpu_freq(struct bmips_cpu_priv *priv) { unsigned int mips_pll_fcvo; @@ -115,6 +128,23 @@ static ulong bcm6328_get_cpu_freq(struct bmips_cpu_priv *priv) } } +static ulong bcm6338_get_cpu_freq(struct bmips_cpu_priv *priv) +{ + return 240000000; +} + +static ulong bcm6348_get_cpu_freq(struct bmips_cpu_priv *priv) +{ + unsigned int tmp, n1, n2, m1; + + tmp = readl_be(priv->regs + REG_BCM6348_PERF_MIPSPLLCFG); + n1 = (tmp & MIPSPLLCFG_6348_N1_MASK) >> MIPSPLLCFG_6348_N1_SHIFT; + n2 = (tmp & MIPSPLLCFG_6348_N2_MASK) >> MIPSPLLCFG_6348_N2_SHIFT; + m1 = (tmp & MIPSPLLCFG_6348_M1CPU_MASK) >> MIPSPLLCFG_6348_M1CPU_SHIFT; + + return (16 * 1000000 * (n1 + 1) * (n2 + 2)) / (m1 + 1); +} + static ulong bcm6358_get_cpu_freq(struct bmips_cpu_priv *priv) { unsigned int tmp, n1, n2, m1; @@ -160,25 +190,48 @@ static int bcm6328_get_cpu_count(struct bmips_cpu_priv *priv) return 2; } +static int bcm6345_get_cpu_count(struct bmips_cpu_priv *priv) +{ + return 1; +} + static int bcm6358_get_cpu_count(struct bmips_cpu_priv *priv) { return 2; } +static const struct bmips_cpu_hw bmips_cpu_bcm3380 = { + .get_cpu_desc = bmips_short_cpu_desc, + .get_cpu_freq = bcm3380_get_cpu_freq, + .get_cpu_count = bcm6358_get_cpu_count, +}; + static const struct bmips_cpu_hw bmips_cpu_bcm6328 = { - .get_cpu_desc = bcm6328_get_cpu_desc, + .get_cpu_desc = bmips_long_cpu_desc, .get_cpu_freq = bcm6328_get_cpu_freq, .get_cpu_count = bcm6328_get_cpu_count, }; +static const struct bmips_cpu_hw bmips_cpu_bcm6338 = { + .get_cpu_desc = bmips_short_cpu_desc, + .get_cpu_freq = bcm6338_get_cpu_freq, + .get_cpu_count = bcm6345_get_cpu_count, +}; + +static const struct bmips_cpu_hw bmips_cpu_bcm6348 = { + .get_cpu_desc = bmips_short_cpu_desc, + .get_cpu_freq = bcm6348_get_cpu_freq, + .get_cpu_count = bcm6345_get_cpu_count, +}; + static const struct bmips_cpu_hw bmips_cpu_bcm6358 = { - .get_cpu_desc = bcm6358_get_cpu_desc, + .get_cpu_desc = bmips_short_cpu_desc, .get_cpu_freq = bcm6358_get_cpu_freq, .get_cpu_count = bcm6358_get_cpu_count, }; static const struct bmips_cpu_hw bmips_cpu_bcm63268 = { - .get_cpu_desc = bcm6328_get_cpu_desc, + .get_cpu_desc = bmips_long_cpu_desc, .get_cpu_freq = bcm63268_get_cpu_freq, .get_cpu_count = bcm6358_get_cpu_count, }; @@ -259,9 +312,18 @@ int bmips_cpu_probe(struct udevice *dev) static const struct udevice_id bmips_cpu_ids[] = { { + .compatible = "brcm,bcm3380-cpu", + .data = (ulong)&bmips_cpu_bcm3380, + }, { .compatible = "brcm,bcm6328-cpu", .data = (ulong)&bmips_cpu_bcm6328, }, { + .compatible = "brcm,bcm6338-cpu", + .data = (ulong)&bmips_cpu_bcm6338, + }, { + .compatible = "brcm,bcm6348-cpu", + .data = (ulong)&bmips_cpu_bcm6348, + }, { .compatible = "brcm,bcm6358-cpu", .data = (ulong)&bmips_cpu_bcm6358, }, { |