ENGR00179747: MX6DL-Fix boot failure

Fix the boot failure caused by:
8f0c21e06d4f7d0c7c078d6261ccd75f2a45c3ab
MX6- Add bus frequency scaling support

There is no SATA on MX6DL. Accessing SATA PHYs early in the boot
process causes the system to crash.

Signed-off-by: Ranjani Vaidyanathan <ra5478@freescale.com>

diff --git a/arch/arm/mach-mx6/clock.c b/arch/arm/mach-mx6/clock.c
index 47ee9b7956aedab8839bb5767fe7e0556c9e6912..a5b22d8dd34db7f3b222c0e8650156c4f881e2e3 100644 (file)
--- a/arch/arm/mach-mx6/clock.c
+++ b/arch/arm/mach-mx6/clock.c
@@ -5297,10 +5297,12 @@ int __init mx6_clocks_init(unsigned long ckil, unsigned long osc,
        lp_med_freq = 0;
 
        /* Turn OFF all unnecessary PHYs. */
-       /* Turn off SATA PHY. */
-       base = ioremap(MX6Q_SATA_BASE_ADDR, SZ_8K);
-       reg = __raw_readl(base + PORT_PHY_CTL);
-       __raw_writel(reg | PORT_PHY_CTL_PDDQ_LOC, base + PORT_PHY_CTL);
+       if (cpu_is_mx6q()) {
+               /* Turn off SATA PHY. */
+               base = ioremap(MX6Q_SATA_BASE_ADDR, SZ_8K);
+               reg = __raw_readl(base + PORT_PHY_CTL);
+               __raw_writel(reg | PORT_PHY_CTL_PDDQ_LOC, base + PORT_PHY_CTL);
+       }
 
        /* Turn off HDMI PHY. */
        base = ioremap(MX6Q_HDMI_ARB_BASE_ADDR, SZ_128K);