Whitebox
/
u-boot
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

dm: cpu: bmips: add BCM6348 support

Browse Source 
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
master
Álvaro Fernández Rojas 8 years ago committed by Daniel Schwierzeck
parent 6ffc18cd04
commit 33a9995908
1 changed files with 34 additions and 0 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 34
      drivers/cpu/bmips_cpu.c

34
drivers/cpu/bmips_cpu.c
Unescape View File

@ -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)
@ -115,6 +123,18 @@ static ulong bcm6328_get_cpu_freq(struct bmips_cpu_priv *priv)
}
}
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;
@ -160,6 +180,11 @@ 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;
@ -171,6 +196,12 @@ static const struct bmips_cpu_hw bmips_cpu_bcm6328 = {
.get_cpu_count = bcm6328_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 = bmips_short_cpu_desc,
.get_cpu_freq = bcm6358_get_cpu_freq,
@ -262,6 +293,9 @@ static const struct udevice_id bmips_cpu_ids[] = {
.compatible = "brcm,bcm6328-cpu",
.data = (ulong)&bmips_cpu_bcm6328,
}, {
.compatible = "brcm,bcm6348-cpu",
.data = (ulong)&bmips_cpu_bcm6348,
}, {
.compatible = "brcm,bcm6358-cpu",
.data = (ulong)&bmips_cpu_bcm6358,
}, {

Write Preview
Loading…
Cancel
Save