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| author | Peng Fan <peng.fan@nxp.com> | 2016-04-28 12:55:30 +0800 |
|---|---|---|
| committer | Peng Fan <peng.fan@nxp.com> | 2016-04-28 12:55:30 +0800 |
| commit | 2ad1304aec9fdfc4a4c90862aa581b207e2665cb (patch) | |
| tree | 3e039527fed6f35e75dfe693f7fff3cb21dd68b1 /arch | |
| parent | 519bc30d20c53ca3a1b7309299964e4cf3f5b976 (diff) | |
| download | u-boot-imx-2ad1304aec9fdfc4a4c90862aa581b207e2665cb.zip u-boot-imx-2ad1304aec9fdfc4a4c90862aa581b207e2665cb.tar.gz u-boot-imx-2ad1304aec9fdfc4a4c90862aa581b207e2665cb.tar.bz2 | |
MLK-12711 imx: correct speed grading info for i.MX6UL
Correct speed grading info for i.MX6UL
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index ee832a3..086904e 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -112,6 +112,12 @@ 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; @@ -124,6 +130,15 @@ u32 get_cpu_speed_grade_hz(void) val >>= OCOTP_CFG3_SPEED_SHIFT; val &= 0x3; + if (is_cpu_type(MXC_CPU_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: |