diff options
Diffstat (limited to 'arch/arm/mach-davinci/psc.c')
| -rw-r--r-- | arch/arm/mach-davinci/psc.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c index 9c3ff917bb..dae10aa03b 100644 --- a/arch/arm/mach-davinci/psc.c +++ b/arch/arm/mach-davinci/psc.c @@ -33,19 +33,8 @@ static void lpsc_transition(unsigned int id, unsigned int state) { dv_reg_p mdstat, mdctl, ptstat, ptcmd; -#ifdef CONFIG_SOC_DA8XX struct davinci_psc_regs *psc_regs; -#endif -#ifndef CONFIG_SOC_DA8XX - if (id >= DAVINCI_LPSC_GEM) - return; /* Don't work on DSP Power Domain */ - - mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4)); - mdctl = REG_P(PSC_MDCTL_BASE + (id * 4)); - ptstat = REG_P(PSC_PTSTAT); - ptcmd = REG_P(PSC_PTCMD); -#else if (id < DAVINCI_LPSC_PSC1_BASE) { if (id >= PSC_PSC0_MODULE_ID_CNT) return; @@ -62,7 +51,6 @@ static void lpsc_transition(unsigned int id, unsigned int state) } ptstat = &psc_regs->ptstat; ptcmd = &psc_regs->ptcmd; -#endif while (readl(ptstat) & 0x01) continue; @@ -71,29 +59,6 @@ static void lpsc_transition(unsigned int id, unsigned int state) return; /* Already in that state */ writel((readl(mdctl) & ~PSC_MDCTL_NEXT) | state, mdctl); - - switch (id) { -#ifdef CONFIG_SOC_DM644X - /* Special treatment for some modules as for sprue14 p.7.4.2 */ - case DAVINCI_LPSC_VPSSSLV: - case DAVINCI_LPSC_EMAC: - case DAVINCI_LPSC_EMAC_WRAPPER: - case DAVINCI_LPSC_MDIO: - case DAVINCI_LPSC_USB: - case DAVINCI_LPSC_ATA: - case DAVINCI_LPSC_VLYNQ: - case DAVINCI_LPSC_UHPI: - case DAVINCI_LPSC_DDR_EMIF: - case DAVINCI_LPSC_AEMIF: - case DAVINCI_LPSC_MMC_SD: - case DAVINCI_LPSC_MEMSTICK: - case DAVINCI_LPSC_McBSP: - case DAVINCI_LPSC_GPIO: - writel(readl(mdctl) | 0x200, mdctl); - break; -#endif - } - writel(0x01, ptcmd); while (readl(ptstat) & 0x01) @@ -116,44 +81,3 @@ void lpsc_disable(unsigned int id) { lpsc_transition(id, 0x0); } - -/* Not all DaVinci chips have a DSP power domain. */ -#ifdef CONFIG_SOC_DM644X - -/* If DSPLINK is used, we don't want U-Boot to power on the DSP. */ -#if !defined(CONFIG_SYS_USE_DSPLINK) -void dsp_on(void) -{ - int i; - - if (REG(PSC_PDSTAT1) & 0x1f) - return; /* Already on */ - - REG(PSC_GBLCTL) |= 0x01; - REG(PSC_PDCTL1) |= 0x01; - REG(PSC_PDCTL1) &= ~0x100; - REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03; - REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff; - REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03; - REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff; - REG(PSC_PTCMD) = 0x02; - - for (i = 0; i < 100; i++) { - if (REG(PSC_EPCPR) & 0x02) - break; - } - - REG(PSC_CHP_SHRTSW) = 0x01; - REG(PSC_PDCTL1) |= 0x100; - REG(PSC_EPCCR) = 0x02; - - for (i = 0; i < 100; i++) { - if (!(REG(PSC_PTSTAT) & 0x02)) - break; - } - - REG(PSC_GBLCTL) &= ~0x1f; -} -#endif /* CONFIG_SYS_USE_DSPLINK */ - -#endif /* have a DSP */ |