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authorPeng Fan <Peng.Fan@freescale.com>2015-07-11 03:38:42 (GMT)
committerStefano Babic <sbabic@denx.de>2015-08-02 08:42:48 (GMT)
commitd0acd99334a74b345429ab81b2039e2b4ede7208 (patch)
tree89589f524a016d6ab9e82ced2660b777b62d76d9 /arch/arm/cpu/armv7
parent5b94ce2c343074c20a6c61f48175e2b543692d37 (diff)
downloadu-boot-d0acd99334a74b345429ab81b2039e2b4ede7208.tar.xz
imx: add cpu type for i.MX6QP/DP
Add cpu type for i.MX6QP/DP. This patch also fix is_mx6dqp(), since get_cpu_rev can return MXC_CPU_MX6QP and MXC_CPU_MX6DP, we should use: (is_cpu_type(MXC_CPU_MX6QP) || is_cpu_type(MXC_CPU_MX6DP)). Signed-off-by: Peng Fan <Peng.Fan@freescale.com> Acked-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/cpu/armv7')
-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 29de624..d3a3b2e 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -62,12 +62,12 @@ u32 get_cpu_rev(void)
struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
u32 reg = readl(&anatop->digprog_sololite);
u32 type = ((reg >> 16) & 0xff);
- u32 major;
+ u32 major, cfg = 0;
if (type != MXC_CPU_MX6SL) {
reg = readl(&anatop->digprog);
struct scu_regs *scu = (struct scu_regs *)SCU_BASE_ADDR;
- u32 cfg = readl(&scu->config) & 3;
+ cfg = readl(&scu->config) & 3;
type = ((reg >> 16) & 0xff);
if (type == MXC_CPU_MX6DL) {
if (!cfg)
@@ -81,6 +81,13 @@ u32 get_cpu_rev(void)
}
major = ((reg >> 8) & 0xff);
+ if ((major >= 1) &&
+ ((type == MXC_CPU_MX6Q) || (type == MXC_CPU_MX6D))) {
+ major--;
+ type = MXC_CPU_MX6QP;
+ if (cfg == 1)
+ type = MXC_CPU_MX6DP;
+ }
reg &= 0xff; /* mx6 silicon revision */
return (type << 12) | (reg + (0x10 * (major + 1)));
}