diff options
| author | Peng Fan | 2018-01-10 13:20:29 +0800 |
|---|---|---|
| committer | Stefano Babic | 2018-02-04 12:00:58 +0100 |
| commit | 423e84bc728b4c73bfbdefacb011be59a83797e0 (patch) | |
| tree | 3b80b38ab1b2f2f0fad56e97cf76a298690cd953 /arch/arm/mach-imx/mx7 | |
| parent | 995e9fef8f190f1861dfe7ebda1f279df94ab201 (diff) | |
imx: cpu: move speed/temp to common cpu
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>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/mach-imx/mx7')
| -rw-r--r-- | arch/arm/mach-imx/mx7/soc.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/arm/mach-imx/mx7/soc.c b/arch/arm/mach-imx/mx7/soc.c index d160e80146d..032dfcf2ce9 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; |