diff options
Diffstat (limited to 'cpu/arm926ejs')
-rw-r--r-- | cpu/arm926ejs/at91/timer.c | 2 | ||||
-rw-r--r-- | cpu/arm926ejs/davinci/cpu.c | 50 | ||||
-rw-r--r-- | cpu/arm926ejs/davinci/psc.c | 43 | ||||
-rw-r--r-- | cpu/arm926ejs/davinci/timer.c | 30 | ||||
-rw-r--r-- | cpu/arm926ejs/kirkwood/timer.c | 2 | ||||
-rw-r--r-- | cpu/arm926ejs/mx27/timer.c | 2 | ||||
-rw-r--r-- | cpu/arm926ejs/nomadik/timer.c | 2 | ||||
-rw-r--r-- | cpu/arm926ejs/omap/timer.c | 2 | ||||
-rwxr-xr-x | cpu/arm926ejs/versatile/timer.c | 2 |
9 files changed, 105 insertions, 30 deletions
diff --git a/cpu/arm926ejs/at91/timer.c b/cpu/arm926ejs/at91/timer.c index 811bb3c..7352b5c 100644 --- a/cpu/arm926ejs/at91/timer.c +++ b/cpu/arm926ejs/at91/timer.c @@ -105,7 +105,7 @@ ulong get_timer_masked(void) return tick_to_time(get_ticks()); } -void udelay(unsigned long usec) +void __udelay(unsigned long usec) { unsigned long long tmp; ulong tmo; diff --git a/cpu/arm926ejs/davinci/cpu.c b/cpu/arm926ejs/davinci/cpu.c index 390cab8..fc3551c 100644 --- a/cpu/arm926ejs/davinci/cpu.c +++ b/cpu/arm926ejs/davinci/cpu.c @@ -23,7 +23,7 @@ #include <common.h> #include <netdev.h> #include <asm/arch/hardware.h> - +#include <asm/io.h> /* offsets from PLL controller base */ #define PLLC_PLLCTL 0x100 @@ -60,6 +60,54 @@ #define DDR_PLLDIV PLLC_PLLDIV1 #endif +#ifdef CONFIG_SOC_DA8XX +const dv_reg * const sysdiv[7] = { + &davinci_pllc_regs->plldiv1, &davinci_pllc_regs->plldiv2, + &davinci_pllc_regs->plldiv3, &davinci_pllc_regs->plldiv4, + &davinci_pllc_regs->plldiv5, &davinci_pllc_regs->plldiv6, + &davinci_pllc_regs->plldiv7 +}; + +int clk_get(enum davinci_clk_ids id) +{ + int pre_div; + int pllm; + int post_div; + int pll_out; + + pll_out = CONFIG_SYS_OSCIN_FREQ; + + if (id == DAVINCI_AUXCLK_CLKID) + goto out; + + /* + * Lets keep this simple. Combining operations can result in + * unexpected approximations + */ + pre_div = (readl(&davinci_pllc_regs->prediv) & + DAVINCI_PLLC_DIV_MASK) + 1; + pllm = readl(&davinci_pllc_regs->pllm) + 1; + + pll_out /= pre_div; + pll_out *= pllm; + + if (id == DAVINCI_PLLM_CLKID) + goto out; + + post_div = (readl(&davinci_pllc_regs->postdiv) & + DAVINCI_PLLC_DIV_MASK) + 1; + + pll_out /= post_div; + + if (id == DAVINCI_PLLC_CLKID) + goto out; + + pll_out /= (readl(sysdiv[id - 1]) & DAVINCI_PLLC_DIV_MASK) + 1; + +out: + return pll_out; +} +#endif /* CONFIG_SOC_DA8XX */ #ifdef CONFIG_DISPLAY_CPUINFO diff --git a/cpu/arm926ejs/davinci/psc.c b/cpu/arm926ejs/davinci/psc.c index 5bb972f..8273a7f 100644 --- a/cpu/arm926ejs/davinci/psc.c +++ b/cpu/arm926ejs/davinci/psc.c @@ -25,6 +25,7 @@ #include <common.h> #include <asm/arch/hardware.h> +#include <asm/io.h> /* * The PSC manages three inputs to a "module" which may be a peripheral or @@ -47,21 +48,45 @@ /* Works on Always On power domain only (no PD argument) */ void lpsc_on(unsigned int id) { - dv_reg_p mdstat, mdctl; + 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; + psc_regs = davinci_psc0_regs; + mdstat = &psc_regs->psc0.mdstat[id]; + mdctl = &psc_regs->psc0.mdctl[id]; + } else { + id -= DAVINCI_LPSC_PSC1_BASE; + if (id >= PSC_PSC1_MODULE_ID_CNT) + return; + psc_regs = davinci_psc1_regs; + mdstat = &psc_regs->psc1.mdstat[id]; + mdctl = &psc_regs->psc1.mdctl[id]; + } + ptstat = &psc_regs->ptstat; + ptcmd = &psc_regs->ptcmd; +#endif - while (REG(PSC_PTSTAT) & 0x01) + while (readl(ptstat) & 0x01) continue; - if ((*mdstat & 0x1f) == 0x03) - return; /* Already on and enabled */ + if ((readl(mdstat) & 0x1f) == 0x03) + return; /* Already on and enabled */ - *mdctl |= 0x03; + writel(readl(mdctl) | 0x03, mdctl); switch (id) { #ifdef CONFIG_SOC_DM644X @@ -80,16 +105,16 @@ void lpsc_on(unsigned int id) case DAVINCI_LPSC_MEMSTICK: case DAVINCI_LPSC_McBSP: case DAVINCI_LPSC_GPIO: - *mdctl |= 0x200; + writel(readl(mdctl) | 0x200, mdctl); break; #endif } - REG(PSC_PTCMD) = 0x01; + writel(0x01, ptcmd); - while (REG(PSC_PTSTAT) & 0x03) + while (readl(ptstat) & 0x01) continue; - while ((*mdstat & 0x1f) != 0x03) /* Probably an overkill... */ + while ((readl(mdstat) & 0x1f) != 0x03) continue; } diff --git a/cpu/arm926ejs/davinci/timer.c b/cpu/arm926ejs/davinci/timer.c index 80751ad..9da7443 100644 --- a/cpu/arm926ejs/davinci/timer.c +++ b/cpu/arm926ejs/davinci/timer.c @@ -38,8 +38,9 @@ */ #include <common.h> +#include <asm/io.h> -typedef volatile struct { +struct davinci_timer { u_int32_t pid12; u_int32_t emumgt; u_int32_t na1; @@ -51,9 +52,10 @@ typedef volatile struct { u_int32_t tcr; u_int32_t tgcr; u_int32_t wdtcr; -} davinci_timer; +}; -davinci_timer *timer = (davinci_timer *)CONFIG_SYS_TIMERBASE; +static struct davinci_timer * const timer = + (struct davinci_timer *)CONFIG_SYS_TIMERBASE; #define TIMER_LOAD_VAL (CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ) #define TIM_CLK_DIV 16 @@ -64,30 +66,30 @@ static ulong lastinc; int timer_init(void) { /* We are using timer34 in unchained 32-bit mode, full speed */ - timer->tcr = 0x0; - timer->tgcr = 0x0; - timer->tgcr = 0x06 | ((TIM_CLK_DIV - 1) << 8); - timer->tim34 = 0x0; - timer->prd34 = TIMER_LOAD_VAL; + writel(0x0, &timer->tcr); + writel(0x0, &timer->tgcr); + writel(0x06 | ((TIM_CLK_DIV - 1) << 8), &timer->tgcr); + writel(0x0, &timer->tim34); + writel(TIMER_LOAD_VAL, &timer->prd34); lastinc = 0; timestamp = 0; - timer->tcr = 2 << 22; + writel(2 << 22, &timer->tcr); return(0); } void reset_timer(void) { - timer->tcr = 0x0; - timer->tim34 = 0; + writel(0x0, &timer->tcr); + writel(0x0, &timer->tim34); lastinc = 0; timestamp = 0; - timer->tcr = 2 << 22; + writel(2 << 22, &timer->tcr); } static ulong get_timer_raw(void) { - ulong now = timer->tim34; + ulong now = readl(&timer->tim34); if (now >= lastinc) { /* normal mode */ @@ -110,7 +112,7 @@ void set_timer(ulong t) timestamp = t; } -void udelay(unsigned long usec) +void __udelay(unsigned long usec) { ulong tmo; ulong endtime; diff --git a/cpu/arm926ejs/kirkwood/timer.c b/cpu/arm926ejs/kirkwood/timer.c index 817ff42..2ec6a93 100644 --- a/cpu/arm926ejs/kirkwood/timer.c +++ b/cpu/arm926ejs/kirkwood/timer.c @@ -125,7 +125,7 @@ void set_timer(ulong t) timestamp = t; } -void udelay(unsigned long usec) +void __udelay(unsigned long usec) { uint current; ulong delayticks; diff --git a/cpu/arm926ejs/mx27/timer.c b/cpu/arm926ejs/mx27/timer.c index 9011058..8f1d47b 100644 --- a/cpu/arm926ejs/mx27/timer.c +++ b/cpu/arm926ejs/mx27/timer.c @@ -177,7 +177,7 @@ void set_timer (ulong t) } /* delay x useconds AND preserve advance timstamp value */ -void udelay (unsigned long usec) +void __udelay (unsigned long usec) { unsigned long long tmp; ulong tmo; diff --git a/cpu/arm926ejs/nomadik/timer.c b/cpu/arm926ejs/nomadik/timer.c index 16067c9..047b9e3 100644 --- a/cpu/arm926ejs/nomadik/timer.c +++ b/cpu/arm926ejs/nomadik/timer.c @@ -59,7 +59,7 @@ ulong get_timer(ulong base) } /* Delay x useconds */ -void udelay(unsigned long usec) +void __udelay(unsigned long usec) { ulong ini, end; diff --git a/cpu/arm926ejs/omap/timer.c b/cpu/arm926ejs/omap/timer.c index 392b158..2ac38c4 100644 --- a/cpu/arm926ejs/omap/timer.c +++ b/cpu/arm926ejs/omap/timer.c @@ -80,7 +80,7 @@ void set_timer (ulong t) } /* delay x useconds AND perserve advance timstamp value */ -void udelay (unsigned long usec) +void __udelay (unsigned long usec) { ulong tmo, tmp; diff --git a/cpu/arm926ejs/versatile/timer.c b/cpu/arm926ejs/versatile/timer.c index 50c1335..563db36 100755 --- a/cpu/arm926ejs/versatile/timer.c +++ b/cpu/arm926ejs/versatile/timer.c @@ -109,7 +109,7 @@ void set_timer (ulong t) } /* delay x useconds AND perserve advance timstamp value */ -void udelay (unsigned long usec) +void __udelay (unsigned long usec) { ulong tmo, tmp; 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