The i.MX7 cpu speed/temp code could be reused on i.MX8M, so move them to common cpu code.
Signed-off-by: Peng Fan peng.fan@nxp.com Cc: Stefano Babic sbabic@denx.de Cc: Fabio Estevam fabio.estevam@nxp.com --- arch/arm/mach-imx/cpu.c | 73 +++++++++++++++++++++++++++++++++++++++++++++ arch/arm/mach-imx/mx7/soc.c | 71 ------------------------------------------- 2 files changed, 73 insertions(+), 71 deletions(-)
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index fae8b0a419..52dbafb50c 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -333,6 +333,79 @@ void set_chipselect_size(int const cs_size) } #endif
+#if defined(CONFIG_MX7) +/* + * OCOTP_TESTER3[9:8] (see Fusemap Description Table offset 0x440) + * defines a 2-bit SPEED_GRADING + */ +#define OCOTP_TESTER3_SPEED_SHIFT 8 +#define OCOTP_TESTER3_SPEED_800MHZ 0 +#define OCOTP_TESTER3_SPEED_500MHZ 1 +#define OCOTP_TESTER3_SPEED_1GHZ 2 +#define OCOTP_TESTER3_SPEED_1P2GHZ 3 + +u32 get_cpu_speed_grade_hz(void) +{ + struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; + struct fuse_bank *bank = &ocotp->bank[1]; + struct fuse_bank1_regs *fuse = + (struct fuse_bank1_regs *)bank->fuse_regs; + uint32_t val; + + val = readl(&fuse->tester3); + val >>= OCOTP_TESTER3_SPEED_SHIFT; + val &= 0x3; + + switch(val) { + case OCOTP_TESTER3_SPEED_800MHZ: + return 800000000; + case OCOTP_TESTER3_SPEED_500MHZ: + return 500000000; + case OCOTP_TESTER3_SPEED_1GHZ: + return 1000000000; + case OCOTP_TESTER3_SPEED_1P2GHZ: + return 1200000000; + } + return 0; +} + +/* + * OCOTP_TESTER3[7:6] (see Fusemap Description Table offset 0x440) + * defines a 2-bit SPEED_GRADING + */ +#define OCOTP_TESTER3_TEMP_SHIFT 6 + +u32 get_cpu_temp_grade(int *minc, int *maxc) +{ + struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; + struct fuse_bank *bank = &ocotp->bank[1]; + struct fuse_bank1_regs *fuse = + (struct fuse_bank1_regs *)bank->fuse_regs; + uint32_t val; + + val = readl(&fuse->tester3); + val >>= OCOTP_TESTER3_TEMP_SHIFT; + val &= 0x3; + + if (minc && maxc) { + if (val == TEMP_AUTOMOTIVE) { + *minc = -40; + *maxc = 125; + } else if (val == TEMP_INDUSTRIAL) { + *minc = -40; + *maxc = 105; + } else if (val == TEMP_EXTCOMMERCIAL) { + *minc = -20; + *maxc = 105; + } else { + *minc = 0; + *maxc = 95; + } + } + return val; +} +#endif + #ifdef CONFIG_NXP_BOARD_REVISION int nxp_board_rev(void) { diff --git a/arch/arm/mach-imx/mx7/soc.c b/arch/arm/mach-imx/mx7/soc.c index d160e80146..032dfcf2ce 100644 --- a/arch/arm/mach-imx/mx7/soc.c +++ b/arch/arm/mach-imx/mx7/soc.c @@ -97,77 +97,6 @@ struct imx_sec_config_fuse_t const imx_sec_config_fuse = { }; #endif
-/* - * OCOTP_TESTER3[9:8] (see Fusemap Description Table offset 0x440) - * defines a 2-bit SPEED_GRADING - */ -#define OCOTP_TESTER3_SPEED_SHIFT 8 -#define OCOTP_TESTER3_SPEED_800MHZ 0 -#define OCOTP_TESTER3_SPEED_500MHZ 1 -#define OCOTP_TESTER3_SPEED_1GHZ 2 -#define OCOTP_TESTER3_SPEED_1P2GHZ 3 - -u32 get_cpu_speed_grade_hz(void) -{ - struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; - struct fuse_bank *bank = &ocotp->bank[1]; - struct fuse_bank1_regs *fuse = - (struct fuse_bank1_regs *)bank->fuse_regs; - uint32_t val; - - val = readl(&fuse->tester3); - val >>= OCOTP_TESTER3_SPEED_SHIFT; - val &= 0x3; - - switch(val) { - case OCOTP_TESTER3_SPEED_800MHZ: - return 800000000; - case OCOTP_TESTER3_SPEED_500MHZ: - return 500000000; - case OCOTP_TESTER3_SPEED_1GHZ: - return 1000000000; - case OCOTP_TESTER3_SPEED_1P2GHZ: - return 1200000000; - } - return 0; -} - -/* - * OCOTP_TESTER3[7:6] (see Fusemap Description Table offset 0x440) - * defines a 2-bit SPEED_GRADING - */ -#define OCOTP_TESTER3_TEMP_SHIFT 6 - -u32 get_cpu_temp_grade(int *minc, int *maxc) -{ - struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; - struct fuse_bank *bank = &ocotp->bank[1]; - struct fuse_bank1_regs *fuse = - (struct fuse_bank1_regs *)bank->fuse_regs; - uint32_t val; - - val = readl(&fuse->tester3); - val >>= OCOTP_TESTER3_TEMP_SHIFT; - val &= 0x3; - - if (minc && maxc) { - if (val == TEMP_AUTOMOTIVE) { - *minc = -40; - *maxc = 125; - } else if (val == TEMP_INDUSTRIAL) { - *minc = -40; - *maxc = 105; - } else if (val == TEMP_EXTCOMMERCIAL) { - *minc = -20; - *maxc = 105; - } else { - *minc = 0; - *maxc = 95; - } - } - return val; -} - static bool is_mx7d(void) { struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;