diff options
Diffstat (limited to 'arch/arm/mach-omap2/io.c')
| -rw-r--r-- | arch/arm/mach-omap2/io.c | 171 |
1 files changed, 141 insertions, 30 deletions
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index a1939b1e6f8..441e79d043a 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -30,7 +30,6 @@ #include <plat/sram.h> #include <plat/sdrc.h> -#include <plat/gpmc.h> #include <plat/serial.h> #include "clock2xxx.h" @@ -39,13 +38,11 @@ #include "io.h" #include <plat/omap-pm.h> -#include <plat/powerdomain.h> -#include "powerdomains.h" - -#include <plat/clockdomain.h> -#include "clockdomains.h" +#include "powerdomain.h" +#include "clockdomain.h" #include <plat/omap_hwmod.h> +#include <plat/multi.h> /* * The machine specific code may provide the extra mapping besides the @@ -68,7 +65,7 @@ static struct map_desc omap24xx_io_desc[] __initdata = { }, }; -#ifdef CONFIG_ARCH_OMAP2420 +#ifdef CONFIG_SOC_OMAP2420 static struct map_desc omap242x_io_desc[] __initdata = { { .virtual = DSP_MEM_2420_VIRT, @@ -92,7 +89,7 @@ static struct map_desc omap242x_io_desc[] __initdata = { #endif -#ifdef CONFIG_ARCH_OMAP2430 +#ifdef CONFIG_SOC_OMAP2430 static struct map_desc omap243x_io_desc[] __initdata = { { .virtual = L4_WK_243X_VIRT, @@ -177,6 +174,18 @@ static struct map_desc omap34xx_io_desc[] __initdata = { #endif }; #endif + +#ifdef CONFIG_SOC_OMAPTI816X +static struct map_desc omapti816x_io_desc[] __initdata = { + { + .virtual = L4_34XX_VIRT, + .pfn = __phys_to_pfn(L4_34XX_PHYS), + .length = L4_34XX_SIZE, + .type = MT_DEVICE + }, +}; +#endif + #ifdef CONFIG_ARCH_OMAP4 static struct map_desc omap44xx_io_desc[] __initdata = { { @@ -243,7 +252,7 @@ static void __init _omap2_map_common_io(void) omap_sram_init(); } -#ifdef CONFIG_ARCH_OMAP2420 +#ifdef CONFIG_SOC_OMAP2420 void __init omap242x_map_common_io(void) { iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); @@ -252,7 +261,7 @@ void __init omap242x_map_common_io(void) } #endif -#ifdef CONFIG_ARCH_OMAP2430 +#ifdef CONFIG_SOC_OMAP2430 void __init omap243x_map_common_io(void) { iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); @@ -269,6 +278,14 @@ void __init omap34xx_map_common_io(void) } #endif +#ifdef CONFIG_SOC_OMAPTI816X +void __init omapti816x_map_common_io(void) +{ + iotable_init(omapti816x_io_desc, ARRAY_SIZE(omapti816x_io_desc)); + _omap2_map_common_io(); +} +#endif + #ifdef CONFIG_ARCH_OMAP4 void __init omap44xx_map_common_io(void) { @@ -311,24 +328,79 @@ static int __init _omap2_init_reprogram_sdrc(void) return v; } -void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0, - struct omap_sdrc_params *sdrc_cs1) +static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data) +{ + return omap_hwmod_set_postsetup_state(oh, *(u8 *)data); +} + +void __iomem *omap_irq_base; + +/* + * Initialize asm_irq_base for entry-macro.S + */ +static inline void omap_irq_base_init(void) +{ + if (cpu_is_omap24xx()) + omap_irq_base = OMAP2_L4_IO_ADDRESS(OMAP24XX_IC_BASE); + else if (cpu_is_omap34xx()) + omap_irq_base = OMAP2_L4_IO_ADDRESS(OMAP34XX_IC_BASE); + else if (cpu_is_omap44xx()) + omap_irq_base = OMAP2_L4_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE); + else + pr_err("Could not initialize omap_irq_base\n"); +} + +void __init omap2_init_common_infrastructure(void) { - u8 skip_setup_idle = 0; + u8 postsetup_state; - pwrdm_init(powerdomains_omap); - clkdm_init(clockdomains_omap, clkdm_autodeps); - if (cpu_is_omap242x()) + if (cpu_is_omap242x()) { + omap2xxx_powerdomains_init(); + omap2xxx_clockdomains_init(); omap2420_hwmod_init(); - else if (cpu_is_omap243x()) + } else if (cpu_is_omap243x()) { + omap2xxx_powerdomains_init(); + omap2xxx_clockdomains_init(); omap2430_hwmod_init(); - else if (cpu_is_omap34xx()) + } else if (cpu_is_omap34xx()) { + omap3xxx_powerdomains_init(); + omap3xxx_clockdomains_init(); omap3xxx_hwmod_init(); - else if (cpu_is_omap44xx()) + } else if (cpu_is_omap44xx()) { + omap44xx_powerdomains_init(); + omap44xx_clockdomains_init(); omap44xx_hwmod_init(); + } else { + pr_err("Could not init hwmod data - unknown SoC\n"); + } + + /* Set the default postsetup state for all hwmods */ +#ifdef CONFIG_PM_RUNTIME + postsetup_state = _HWMOD_STATE_IDLE; +#else + postsetup_state = _HWMOD_STATE_ENABLED; +#endif + omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state); + + /* + * Set the default postsetup state for unusual modules (like + * MPU WDT). + * + * The postsetup_state is not actually used until + * omap_hwmod_late_init(), so boards that desire full watchdog + * coverage of kernel initialization can reprogram the + * postsetup_state between the calls to + * omap2_init_common_infra() and omap2_init_common_devices(). + * + * XXX ideally we could detect whether the MPU WDT was currently + * enabled here and make this conditional + */ + postsetup_state = _HWMOD_STATE_DISABLED; + omap_hwmod_for_each_by_class("wd_timer", + _set_hwmod_postsetup_state, + &postsetup_state); - /* The OPP tables have to be registered before a clk init */ - omap_pm_if_early_init(mpu_opps, dsp_opps, l3_opps); + omap_pm_if_early_init(); if (cpu_is_omap2420()) omap2420_clk_init(); @@ -339,17 +411,56 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0, else if (cpu_is_omap44xx()) omap4xxx_clk_init(); else - pr_err("Could not init clock framework - unknown CPU\n"); - - omap_serial_early_init(); + pr_err("Could not init clock framework - unknown SoC\n"); +} -#ifndef CONFIG_PM_RUNTIME - skip_setup_idle = 1; -#endif - omap_hwmod_late_init(skip_setup_idle); - if (cpu_is_omap24xx() || cpu_is_omap34xx()) { +void __init omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0, + struct omap_sdrc_params *sdrc_cs1) +{ + if (cpu_is_omap24xx() || omap3_has_sdrc()) { omap2_sdrc_init(sdrc_cs0, sdrc_cs1); _omap2_init_reprogram_sdrc(); } - gpmc_init(); + + omap_irq_base_init(); +} + +/* + * NOTE: Please use ioremap + __raw_read/write where possible instead of these + */ + +u8 omap_readb(u32 pa) +{ + return __raw_readb(OMAP2_L4_IO_ADDRESS(pa)); +} +EXPORT_SYMBOL(omap_readb); + +u16 omap_readw(u32 pa) +{ + return __raw_readw(OMAP2_L4_IO_ADDRESS(pa)); +} +EXPORT_SYMBOL(omap_readw); + +u32 omap_readl(u32 pa) +{ + return __raw_readl(OMAP2_L4_IO_ADDRESS(pa)); +} +EXPORT_SYMBOL(omap_readl); + +void omap_writeb(u8 v, u32 pa) +{ + __raw_writeb(v, OMAP2_L4_IO_ADDRESS(pa)); +} +EXPORT_SYMBOL(omap_writeb); + +void omap_writew(u16 v, u32 pa) +{ + __raw_writew(v, OMAP2_L4_IO_ADDRESS(pa)); +} +EXPORT_SYMBOL(omap_writew); + +void omap_writel(u32 v, u32 pa) +{ + __raw_writel(v, OMAP2_L4_IO_ADDRESS(pa)); } +EXPORT_SYMBOL(omap_writel); |