Davinci: psc - use ioremap() This patch modifies the psc and clock control code to use ioremap()ed registers. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c index 868cb76..054c303 100644 --- a/arch/arm/mach-davinci/clock.c +++ b/arch/arm/mach-davinci/clock.c
@@ -302,7 +302,6 @@ struct pll_data *pll = clk->pll_data; unsigned long rate = clk->rate; - pll->base = IO_ADDRESS(pll->phys_base); ctrl = __raw_readl(pll->base + PLLCTL); rate = pll->input_rate = clk->parent->rate; @@ -458,8 +457,17 @@ clk->recalc = clk_leafclk_recalc; } - if (clk->pll_data && !clk->pll_data->div_ratio_mask) - clk->pll_data->div_ratio_mask = PLLDIV_RATIO_MASK; + if (clk->pll_data) { + struct pll_data *pll = clk->pll_data; + + if (!pll->div_ratio_mask) + pll->div_ratio_mask = PLLDIV_RATIO_MASK; + + if (pll->phys_base && !pll->base) { + pll->base = ioremap(pll->phys_base, SZ_4K); + WARN_ON(!pll->base); + } + } if (clk->recalc) clk->rate = clk->recalc(clk);
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c index 8a2510c..47a7f49 100644 --- a/arch/arm/mach-davinci/da830.c +++ b/arch/arm/mach-davinci/da830.c
@@ -1127,10 +1127,7 @@ }, }; -static void __iomem *da830_psc_bases[] = { - IO_ADDRESS(DA8XX_PSC0_BASE), - IO_ADDRESS(DA8XX_PSC1_BASE), -}; +static u32 da830_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE }; /* Contents of JTAG ID register used to identify exact cpu type */ static struct davinci_id da830_ids[] = {
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index ebfa5ca..2a430bb 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c
@@ -782,10 +782,7 @@ }, }; -static void __iomem *da850_psc_bases[] = { - IO_ADDRESS(DA8XX_PSC0_BASE), - IO_ADDRESS(DA8XX_PSC1_BASE), -}; +static u32 da850_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE }; /* Contents of JTAG ID register used to identify exact cpu type */ static struct davinci_id da850_ids[] = {
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index 228b6d1..70a18275 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c
@@ -783,9 +783,7 @@ }, }; -static void __iomem *dm355_psc_bases[] = { - IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE), -}; +static u32 dm355_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE }; /* * T0_BOT: Timer 0, bottom: clockevent source for hrtimers
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c index b396d58..451a4ef 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c
@@ -1002,9 +1002,7 @@ }, }; -static void __iomem *dm365_psc_bases[] = { - IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE), -}; +static u32 dm365_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE }; static struct davinci_timer_info dm365_timer_info = { .timers = davinci_timer_instance,
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index 9859567..ee654de 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c
@@ -674,9 +674,7 @@ }, }; -static void __iomem *dm644x_psc_bases[] = { - IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE), -}; +static u32 dm644x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE }; /* * T0_BOT: Timer 0, bottom: clockevent source for hrtimers
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index f9a8cc4..4c98ef0 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c
@@ -758,9 +758,7 @@ }, }; -static void __iomem *dm646x_psc_bases[] = { - IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE), -}; +static u32 dm646x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE }; /* * T0_BOT: Timer 0, bottom: clockevent source for hrtimers
diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h index 2e15464..4c8dfcb4d 100644 --- a/arch/arm/mach-davinci/include/mach/common.h +++ b/arch/arm/mach-davinci/include/mach/common.h
@@ -49,7 +49,7 @@ struct davinci_id *ids; unsigned long ids_num; struct clk_lookup *cpu_clks; - void __iomem **psc_bases; + u32 *psc_bases; unsigned long psc_bases_num; void __iomem *pinmux_base; const struct mux_config *pinmux_pins;
diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c index d7cb438..1b15dbd 100644 --- a/arch/arm/mach-davinci/psc.c +++ b/arch/arm/mach-davinci/psc.c
@@ -38,8 +38,9 @@ return 0; } - psc_base = soc_info->psc_bases[ctlr]; + psc_base = ioremap(soc_info->psc_bases[ctlr], SZ_4K); mdstat = __raw_readl(psc_base + MDSTAT + 4 * id); + iounmap(psc_base); /* if clocked, state can be "Enable" or "SyncReset" */ return mdstat & BIT(12); @@ -59,7 +60,7 @@ return; } - psc_base = soc_info->psc_bases[ctlr]; + psc_base = ioremap(soc_info->psc_bases[ctlr], SZ_4K); mdctl = __raw_readl(psc_base + MDCTL + 4 * id); mdctl &= ~MDSTAT_STATE_MASK; @@ -99,4 +100,6 @@ do { mdstat = __raw_readl(psc_base + MDSTAT + 4 * id); } while (!((mdstat & MDSTAT_STATE_MASK) == next_state)); + + iounmap(psc_base); }