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author | Tom Rini <trini@konsulko.com> | 2016-01-03 10:32:24 -0500 |
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committer | Tom Rini <trini@konsulko.com> | 2016-01-03 10:32:24 -0500 |
commit | f1993ca066100fcaba7d49fecae0ef604e5807e2 (patch) | |
tree | 5439c5cdd14b34ff2085b4876472a44349c15843 /arch/arm/cpu | |
parent | d83c25c318564080ce647795e5ee49133b97e87d (diff) | |
parent | ccf4326bac0371774265be0a8b13c150b445e703 (diff) | |
download | u-boot-imx-f1993ca066100fcaba7d49fecae0ef604e5807e2.zip u-boot-imx-f1993ca066100fcaba7d49fecae0ef604e5807e2.tar.gz u-boot-imx-f1993ca066100fcaba7d49fecae0ef604e5807e2.tar.bz2 |
Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/spl_power_init.c | 34 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx6/clock.c | 2 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx6/ddr.c | 1 |
3 files changed, 36 insertions, 1 deletions
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c index 1972de8..1ec8e2b 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c @@ -248,6 +248,39 @@ static void mxs_power_setup_5v_detect(void) } /** + * mxs_power_switch_dcdc_clocksource() - Switch PLL clock for DC-DC converters + * @freqsel: One of the POWER_MISC_FREQSEL_xxx defines to select the clock + * + * This function configures and then enables an alternative PLL clock source + * for the DC-DC converters. + */ +void mxs_power_switch_dcdc_clocksource(uint32_t freqsel) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; + + /* Select clocksource for DC-DC converters */ + clrsetbits_le32(&power_regs->hw_power_misc, + POWER_MISC_FREQSEL_MASK, + freqsel); + setbits_le32(&power_regs->hw_power_misc, + POWER_MISC_SEL_PLLCLK); +} + +/** + * mxs_power_setup_dcdc_clocksource() - Setup PLL clock source for DC-DC converters + * + * Normally, there is no need to switch DC-DC clocksource. This is the reason, + * why this function is a stub and does nothing. However, boards can implement + * this function when required and call mxs_power_switch_dcdc_clocksource() to + * switch to an alternative clock source. + */ +__weak void mxs_power_setup_dcdc_clocksource(void) +{ + debug("SPL: Using default DC-DC clocksource\n"); +} + +/** * mxs_src_power_init() - Preconfigure the power block * * This function configures reasonable values for the DC-DC control loop @@ -872,6 +905,7 @@ static void mxs_power_configure_power_source(void) debug("SPL: Configuring power source\n"); + mxs_power_setup_dcdc_clocksource(); mxs_src_power_init(); if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index d325191..64514b1 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -727,6 +727,8 @@ int enable_lcdif_clock(u32 base_addr) reg = readl(&imx_ccm->CCGR2); reg |= MXC_CCM_CCGR2_LCD_MASK; writel(reg, &imx_ccm->CCGR2); + + return 0; } #endif diff --git a/arch/arm/cpu/armv7/mx6/ddr.c b/arch/arm/cpu/armv7/mx6/ddr.c index 6b039e4..567ddc4 100644 --- a/arch/arm/cpu/armv7/mx6/ddr.c +++ b/arch/arm/cpu/armv7/mx6/ddr.c @@ -796,7 +796,6 @@ void mx6_ddr3_cfg(const struct mx6_ddr_sysinfo *sysinfo, debug("Rtt_wr=%d\n", sysinfo->rtt_wr); debug("Rtt_nom=%d\n", sysinfo->rtt_nom); debug("SRT=%d\n", ddr3_cfg->SRT); - debug("tcl=%d\n", tcl); debug("twr=%d\n", twr); /* |