dm: cpu: bmips: add BCM6362 support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

diff --git a/drivers/cpu/bmips_cpu.c b/drivers/cpu/bmips_cpu.c
index 4ad291a56e2a93d9ed50facecd8e47fd05edec5d..6c612bacdc90471ef1a5f6f7f2e9926caadb32eb 100644 (file)
--- 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,
@@ -394,6 +442,9 @@ 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,