diff options
Diffstat (limited to 'arch/arm/cpu/armv7/vf610/generic.c')
| -rw-r--r-- | arch/arm/cpu/armv7/vf610/generic.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c index cbd3391918..90fa695e98 100644 --- a/arch/arm/cpu/armv7/vf610/generic.c +++ b/arch/arm/cpu/armv7/vf610/generic.c @@ -252,7 +252,7 @@ U_BOOT_CMD( ); #ifdef CONFIG_FEC_MXC -void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) +__weak void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) { struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; struct fuse_bank *bank = &ocotp->bank[4]; @@ -375,3 +375,25 @@ void enable_caches(void) mmu_set_region_dcache_behaviour(IRAM_BASE_ADDR, IRAM_SIZE, option); } #endif + +#ifdef CONFIG_SYS_I2C_MXC +/* i2c_num can be from 0 - 3 */ +int enable_i2c_clk(unsigned char enable, unsigned int i2c_num) +{ + struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR; + + switch (i2c_num) { + case 0: + clrsetbits_le32(&ccm->ccgr4, CCM_CCGR4_I2C0_CTRL_MASK, + CCM_CCGR4_I2C0_CTRL_MASK); + case 2: + clrsetbits_le32(&ccm->ccgr10, CCM_CCGR10_I2C2_CTRL_MASK, + CCM_CCGR10_I2C2_CTRL_MASK); + break; + default: + return -EINVAL; + } + + return 0; +} +#endif |