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Diffstat (limited to 'arch/arm/cpu/armv7/mx6/soc.c')
-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index d4b22ad7f3..88fcfdc2aa 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -108,6 +108,12 @@ u32 get_cpu_rev(void)
#define OCOTP_CFG3_SPEED_1GHZ 2
#define OCOTP_CFG3_SPEED_1P2GHZ 3
+/*
+ * For i.MX6UL
+ */
+#define OCOTP_CFG3_SPEED_528MHZ 1
+#define OCOTP_CFG3_SPEED_696MHZ 2
+
u32 get_cpu_speed_grade_hz(void)
{
struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
@@ -120,17 +126,26 @@ u32 get_cpu_speed_grade_hz(void)
val >>= OCOTP_CFG3_SPEED_SHIFT;
val &= 0x3;
+ if (is_mx6ul()) {
+ if (val == OCOTP_CFG3_SPEED_528MHZ)
+ return 528000000;
+ else if (val == OCOTP_CFG3_SPEED_696MHZ)
+ return 69600000;
+ else
+ return 0;
+ }
+
switch (val) {
/* Valid for IMX6DQ */
case OCOTP_CFG3_SPEED_1P2GHZ:
- if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
+ if (is_mx6dq() || is_mx6dqp())
return 1200000000;
/* Valid for IMX6SX/IMX6SDL/IMX6DQ */
case OCOTP_CFG3_SPEED_1GHZ:
return 996000000;
/* Valid for IMX6DQ */
case OCOTP_CFG3_SPEED_850MHZ:
- if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
+ if (is_mx6dq() || is_mx6dqp())
return 852000000;
/* Valid for IMX6SX/IMX6SDL/IMX6DQ */
case OCOTP_CFG3_SPEED_800MHZ:
@@ -278,7 +293,7 @@ static void clear_mmdc_ch_mask(void)
reg = readl(&mxc_ccm->ccdr);
/* Clear MMDC channel mask */
- if (is_cpu_type(MXC_CPU_MX6SX) || is_cpu_type(MXC_CPU_MX6UL) || is_cpu_type(MXC_CPU_MX6SL))
+ if (is_mx6sx() || is_mx6ul() || is_mx6sl())
reg &= ~(MXC_CCM_CCDR_MMDC_CH1_HS_MASK);
else
reg &= ~(MXC_CCM_CCDR_MMDC_CH1_HS_MASK | MXC_CCM_CCDR_MMDC_CH0_HS_MASK);
@@ -444,8 +459,7 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
struct fuse_bank4_regs *fuse =
(struct fuse_bank4_regs *)bank->fuse_regs;
- if ((is_cpu_type(MXC_CPU_MX6SX) || is_cpu_type(MXC_CPU_MX6UL)) &&
- dev_id == 1) {
+ if ((is_mx6sx() || is_mx6ul()) && dev_id == 1) {
u32 value = readl(&fuse->mac_addr2);
mac[0] = value >> 24 ;
mac[1] = value >> 16 ;
@@ -509,7 +523,7 @@ void s_init(void)
u32 mask528;
u32 reg, periph1, periph2;
- if (is_cpu_type(MXC_CPU_MX6SX) || is_cpu_type(MXC_CPU_MX6UL))
+ if (is_mx6sx() || is_mx6ul())
return;
/* Due to hardware limitation, on MX6Q we need to gate/ungate all PFDs