* Santosh Shilimkar <santosh.shilimkar@xxxxxx> [090520 05:59]: > This patch adds the support for OMAP4. The platform and machine specific > headers and sources updated for OMAP4430 SDP platform. > > OMAP4430 is Texas Instrument's SOC based on ARM Cortex-A9 SMP architecture. > It's a dual core SOC with GIC used for interrupt handling and SCU for cache > coherency. I've added these to omap for-next branch. Tony > Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> > --- > arch/arm/mach-omap2/gpmc.c | 6 + > arch/arm/mach-omap2/id.c | 8 ++- > arch/arm/mach-omap2/io.c | 52 +++++++++- > arch/arm/mach-omap2/serial.c | 7 ++ > arch/arm/mach-omap2/timer-gp.c | 9 ++- > arch/arm/plat-omap/common.c | 31 ++++++ > arch/arm/plat-omap/devices.c | 2 + > arch/arm/plat-omap/dma.c | 23 ++++- > arch/arm/plat-omap/dmtimer.c | 59 ++++++++++- > arch/arm/plat-omap/gpio.c | 134 ++++++++++++++++++------ > arch/arm/plat-omap/include/mach/clock.h | 8 +- > arch/arm/plat-omap/include/mach/common.h | 1 + > arch/arm/plat-omap/include/mach/control.h | 7 +- > arch/arm/plat-omap/include/mach/cpu.h | 21 ++++- > arch/arm/plat-omap/include/mach/debug-macro.S | 2 +- > arch/arm/plat-omap/include/mach/dma.h | 1 + > arch/arm/plat-omap/include/mach/entry-macro.S | 46 ++++++++- > arch/arm/plat-omap/include/mach/hardware.h | 1 + > arch/arm/plat-omap/include/mach/io.h | 37 +++++++ > arch/arm/plat-omap/include/mach/irqs.h | 89 ++++++++++++++++ > arch/arm/plat-omap/include/mach/memory.h | 3 +- > arch/arm/plat-omap/include/mach/omap44xx.h | 46 +++++++++ > arch/arm/plat-omap/include/mach/serial.h | 16 +++- > arch/arm/plat-omap/io.c | 29 +++++- > arch/arm/plat-omap/mux.c | 3 + > arch/arm/plat-omap/sram.c | 21 ++++ > 26 files changed, 600 insertions(+), 62 deletions(-) > create mode 100644 arch/arm/plat-omap/include/mach/omap44xx.h > > diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c > index 2249049..f91934b 100644 > --- a/arch/arm/mach-omap2/gpmc.c > +++ b/arch/arm/mach-omap2/gpmc.c > @@ -5,6 +5,9 @@ > * > * Author: Juha Yrjola > * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > * This program is free software; you can redistribute it and/or modify > * it under the terms of the GNU General Public License version 2 as > * published by the Free Software Foundation. > @@ -424,6 +427,9 @@ void __init gpmc_init(void) > } else if (cpu_is_omap34xx()) { > ck = "gpmc_fck"; > l = OMAP34XX_GPMC_BASE; > + } else if (cpu_is_omap44xx()) { > + ck = "gpmc_fck"; > + l = OMAP44XX_GPMC_BASE; > } > > gpmc_l3_clk = clk_get(NULL, ck); > diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c > index 34b5914..458990e 100644 > --- a/arch/arm/mach-omap2/id.c > +++ b/arch/arm/mach-omap2/id.c > @@ -6,6 +6,9 @@ > * Copyright (C) 2005 Nokia Corporation > * Written by Tony Lindgren <tony@xxxxxxxxxxx> > * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > * This program is free software; you can redistribute it and/or modify > * it under the terms of the GNU General Public License version 2 as > * published by the Free Software Foundation. > @@ -200,7 +203,10 @@ void __init omap2_check_revision(void) > omap24xx_check_revision(); > else if (cpu_is_omap34xx()) > omap34xx_check_revision(); > - else > + else if (cpu_is_omap44xx()) { > + printk(KERN_INFO "FIXME: CPU revision = OMAP4430\n"); > + return; > + } else > pr_err("OMAP revision unknown, please fix!\n"); > > /* > diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c > index 916fcd3..32afd94 100644 > --- a/arch/arm/mach-omap2/io.c > +++ b/arch/arm/mach-omap2/io.c > @@ -4,12 +4,14 @@ > * OMAP2 I/O mapping code > * > * Copyright (C) 2005 Nokia Corporation > - * Copyright (C) 2007 Texas Instruments > + * Copyright (C) 2007-2009 Texas Instruments > * > * Author: > * Juha Yrjola <juha.yrjola@xxxxxxxxx> > * Syed Khasim <x0khasim@xxxxxx> > * > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > * This program is free software; you can redistribute it and/or modify > * it under the terms of the GNU General Public License version 2 as > * published by the Free Software Foundation. > @@ -30,6 +32,7 @@ > #include <mach/sdrc.h> > #include <mach/gpmc.h> > > +#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdev is ready */ > #include "clock.h" > > #include <mach/powerdomain.h> > @@ -38,7 +41,7 @@ > > #include <mach/clockdomain.h> > #include "clockdomains.h" > - > +#endif > /* > * The machine specific code may provide the extra mapping besides the > * default mapping provided here. > @@ -166,6 +169,46 @@ static struct map_desc omap34xx_io_desc[] __initdata = { > }, > }; > #endif > +#ifdef CONFIG_ARCH_OMAP4 > +static struct map_desc omap44xx_io_desc[] __initdata = { > + { > + .virtual = L3_44XX_VIRT, > + .pfn = __phys_to_pfn(L3_44XX_PHYS), > + .length = L3_44XX_SIZE, > + .type = MT_DEVICE, > + }, > + { > + .virtual = L4_44XX_VIRT, > + .pfn = __phys_to_pfn(L4_44XX_PHYS), > + .length = L4_44XX_SIZE, > + .type = MT_DEVICE, > + }, > + { > + .virtual = L4_WK_44XX_VIRT, > + .pfn = __phys_to_pfn(L4_WK_44XX_PHYS), > + .length = L4_WK_44XX_SIZE, > + .type = MT_DEVICE, > + }, > + { > + .virtual = OMAP44XX_GPMC_VIRT, > + .pfn = __phys_to_pfn(OMAP44XX_GPMC_PHYS), > + .length = OMAP44XX_GPMC_SIZE, > + .type = MT_DEVICE, > + }, > + { > + .virtual = L4_PER_44XX_VIRT, > + .pfn = __phys_to_pfn(L4_PER_44XX_PHYS), > + .length = L4_PER_44XX_SIZE, > + .type = MT_DEVICE, > + }, > + { > + .virtual = L4_EMU_44XX_VIRT, > + .pfn = __phys_to_pfn(L4_EMU_44XX_PHYS), > + .length = L4_EMU_44XX_SIZE, > + .type = MT_DEVICE, > + }, > +}; > +#endif > > void __init omap2_map_common_io(void) > { > @@ -183,6 +226,9 @@ void __init omap2_map_common_io(void) > iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc)); > #endif > > +#if defined(CONFIG_ARCH_OMAP4) > + iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc)); > +#endif > /* Normally devicemaps_init() would flush caches and tlb after > * mdesc->map_io(), but we must also do it here because of the CPU > * revision check below. > @@ -198,9 +244,11 @@ void __init omap2_map_common_io(void) > void __init omap2_init_common_hw(struct omap_sdrc_params *sp) > { > omap2_mux_init(); > +#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once the clkdev is ready */ > pwrdm_init(powerdomains_omap); > clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps); > omap2_clk_init(); > omap2_sdrc_init(sp); > +#endif > gpmc_init(); > } > diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c > index 4dcf39c..5f29a42 100644 > --- a/arch/arm/mach-omap2/serial.c > +++ b/arch/arm/mach-omap2/serial.c > @@ -8,6 +8,9 @@ > * > * Based off of arch/arm/mach-omap/omap1/serial.c > * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx > + * > * This file is subject to the terms and conditions of the GNU General Public > * License. See the file "COPYING" in the main directory of this archive > * for more details. > @@ -114,6 +117,10 @@ void __init omap_serial_init(void) > > if (info == NULL) > return; > + if (cpu_is_omap44xx()) { > + for (i = 0; i < OMAP_MAX_NR_PORTS; i++) > + serial_platform_data[i].irq += 32; > + } > > for (i = 0; i < OMAP_MAX_NR_PORTS; i++) { > struct plat_serial8250_port *p = serial_platform_data + i; > diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c > index f36aba1..6cc8fa8 100644 > --- a/arch/arm/mach-omap2/timer-gp.c > +++ b/arch/arm/mach-omap2/timer-gp.c > @@ -17,9 +17,10 @@ > * > * Some parts based off of TI's 24xx code: > * > - * Copyright (C) 2004 Texas Instruments, Inc. > + * Copyright (C) 2004-2009 Texas Instruments, Inc. > * > * Roughly modelled after the OMAP1 MPU timer code. > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > * > * This file is subject to the terms and conditions of the GNU General Public > * License. See the file "COPYING" in the main directory of this archive > @@ -82,7 +83,8 @@ static void omap2_gp_timer_set_mode(enum clock_event_mode mode, > case CLOCK_EVT_MODE_PERIODIC: > period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / HZ; > period -= 1; > - > + if (cpu_is_omap44xx()) > + period = 0xFF; /* FIXME: */ > omap_dm_timer_set_load_start(gptimer, 1, 0xffffffff - period); > break; > case CLOCK_EVT_MODE_ONESHOT: > @@ -145,6 +147,9 @@ static void __init omap2_gp_clockevent_init(void) > "timer-gp: omap_dm_timer_set_source() failed\n"); > > tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer)); > + if (cpu_is_omap44xx()) > + /* Assuming 32kHz clk is driving GPT1 */ > + tick_rate = 32768; /* FIXME: */ > > pr_info("OMAP clockevent source: GPTIMER%d at %u Hz\n", > gptimer_id, tick_rate); > diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c > index 70b68ef..66738c3 100644 > --- a/arch/arm/plat-omap/common.c > +++ b/arch/arm/plat-omap/common.c > @@ -2,6 +2,10 @@ > * linux/arch/arm/plat-omap/common.c > * > * Code common to all OMAP machines. > + * The file is created by Tony Lindgren <tony@xxxxxxxxxxx> > + * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > * > * This program is free software; you can redistribute it and/or modify > * it under the terms of the GNU General Public License version 2 as > @@ -217,6 +221,15 @@ static cycle_t omap34xx_32k_read(struct clocksource *cs) > #define omap34xx_32k_read NULL > #endif > > +#ifdef CONFIG_ARCH_OMAP4 > +static cycle_t omap44xx_32k_read(struct clocksource *cs) > +{ > + return omap_readl(OMAP4430_32KSYNCT_BASE + 0x10); > +} > +#else > +#define omap44xx_32k_read NULL > +#endif > + > /* > * Kernel assumes that sched_clock can be called early but may not have > * things ready yet. > @@ -264,6 +277,8 @@ static int __init omap_init_clocksource_32k(void) > clocksource_32k.read = omap2430_32k_read; > else if (cpu_is_omap34xx()) > clocksource_32k.read = omap34xx_32k_read; > + else if (cpu_is_omap44xx()) > + clocksource_32k.read = omap44xx_32k_read; > else > return -ENODEV; > > @@ -351,3 +366,19 @@ void __init omap2_set_globals_343x(void) > } > #endif > > +#if defined(CONFIG_ARCH_OMAP4) > +static struct omap_globals omap4_globals = { > + .class = OMAP443X_CLASS, > + .tap = OMAP2_IO_ADDRESS(0x4830a000), > + .ctrl = OMAP2_IO_ADDRESS(OMAP443X_CTRL_BASE), > + .prm = OMAP2_IO_ADDRESS(OMAP4430_PRM_BASE), > + .cm = OMAP2_IO_ADDRESS(OMAP4430_CM_BASE), > +}; > + > +void __init omap2_set_globals_443x(void) > +{ > + omap2_set_globals_tap(&omap4_globals); > + omap2_set_globals_control(&omap4_globals); > +} > +#endif > + > diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c > index 87fb7ff..a64b692 100644 > --- a/arch/arm/plat-omap/devices.c > +++ b/arch/arm/plat-omap/devices.c > @@ -311,6 +311,8 @@ static void omap_init_wdt(void) > wdt_resources[0].start = 0x49016000; /* WDT2 */ > else if (cpu_is_omap343x()) > wdt_resources[0].start = 0x48314000; /* WDT2 */ > + else if (cpu_is_omap44xx()) > + wdt_resources[0].start = 0x4a314000; > else > return; > > diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c > index 7fc8c04..a1b88fb 100644 > --- a/arch/arm/plat-omap/dma.c > +++ b/arch/arm/plat-omap/dma.c > @@ -10,6 +10,9 @@ > * Merged to support both OMAP1 and OMAP2 by Tony Lindgren <tony@xxxxxxxxxxx> > * Some functions based on earlier dma-omap.c Copyright (C) 2001 RidgeRun, Inc. > * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > * Support functions for the OMAP internal DMA channels. > * > * This program is free software; you can redistribute it and/or modify > @@ -851,7 +854,7 @@ omap_dma_set_prio_lch(int lch, unsigned char read_prio, > } > l = dma_read(CCR(lch)); > l &= ~((1 << 6) | (1 << 26)); > - if (cpu_is_omap2430() || cpu_is_omap34xx()) > + if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) > l |= ((read_prio & 0x1) << 6) | ((write_prio & 0x1) << 26); > else > l |= ((read_prio & 0x1) << 6); > @@ -1823,7 +1826,8 @@ static irqreturn_t omap1_dma_irq_handler(int irq, void *dev_id) > #define omap1_dma_irq_handler NULL > #endif > > -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) > +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \ > + defined(CONFIG_ARCH_OMAP4) > > static int omap2_dma_handle_ch(int ch) > { > @@ -2318,6 +2322,9 @@ static int __init omap_init_dma(void) > } else if (cpu_is_omap34xx()) { > omap_dma_base = IO_ADDRESS(OMAP34XX_DMA4_BASE); > dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT; > + } else if (cpu_is_omap44xx()) { > + omap_dma_base = IO_ADDRESS(OMAP44XX_DMA4_BASE); > + dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT; > } else { > pr_err("DMA init failed for unsupported omap\n"); > return -ENODEV; > @@ -2416,12 +2423,18 @@ static int __init omap_init_dma(void) > } > } > > - if (cpu_is_omap2430() || cpu_is_omap34xx()) > + if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) > omap_dma_set_global_params(DMA_DEFAULT_ARB_RATE, > DMA_DEFAULT_FIFO_DEPTH, 0); > > - if (cpu_class_is_omap2()) > - setup_irq(INT_24XX_SDMA_IRQ0, &omap24xx_dma_irq); > + if (cpu_class_is_omap2()) { > + int irq; > + if (cpu_is_omap44xx()) > + irq = INT_44XX_SDMA_IRQ0; > + else > + irq = INT_24XX_SDMA_IRQ0; > + setup_irq(irq, &omap24xx_dma_irq); > + } > > /* FIXME: Update LCD DMA to work on 24xx */ > if (cpu_class_is_omap1()) { > diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c > index ee20612..7f50b61 100644 > --- a/arch/arm/plat-omap/dmtimer.c > +++ b/arch/arm/plat-omap/dmtimer.c > @@ -7,6 +7,9 @@ > * OMAP2 support by Juha Yrjola > * API improvements and OMAP2 clock framework support by Timo Teras > * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > * This program is free software; you can redistribute it and/or modify it > * under the terms of the GNU General Public License as published by the > * Free Software Foundation; either version 2 of the License, or (at your > @@ -150,7 +153,8 @@ > struct omap_dm_timer { > unsigned long phys_base; > int irq; > -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) > +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \ > + defined(CONFIG_ARCH_OMAP4) > struct clk *iclk, *fclk; > #endif > void __iomem *io_base; > @@ -169,6 +173,9 @@ struct omap_dm_timer { > #define omap3_dm_timers NULL > #define omap3_dm_source_names NULL > #define omap3_dm_source_clocks NULL > +#define omap4_dm_timers NULL > +#define omap4_dm_source_names NULL > +#define omap4_dm_source_clocks NULL > > static struct omap_dm_timer omap1_dm_timers[] = { > { .phys_base = 0xfffb1400, .irq = INT_1610_GPTIMER1 }, > @@ -191,6 +198,9 @@ static const int dm_timer_count = ARRAY_SIZE(omap1_dm_timers); > #define omap3_dm_timers NULL > #define omap3_dm_source_names NULL > #define omap3_dm_source_clocks NULL > +#define omap4_dm_timers NULL > +#define omap4_dm_source_names NULL > +#define omap4_dm_source_clocks NULL > > static struct omap_dm_timer omap2_dm_timers[] = { > { .phys_base = 0x48028000, .irq = INT_24XX_GPTIMER1 }, > @@ -225,6 +235,9 @@ static const int dm_timer_count = ARRAY_SIZE(omap2_dm_timers); > #define omap2_dm_timers NULL > #define omap2_dm_source_names NULL > #define omap2_dm_source_clocks NULL > +#define omap4_dm_timers NULL > +#define omap4_dm_source_names NULL > +#define omap4_dm_source_clocks NULL > > static struct omap_dm_timer omap3_dm_timers[] = { > { .phys_base = 0x48318000, .irq = INT_24XX_GPTIMER1 }, > @@ -250,6 +263,40 @@ static const char *omap3_dm_source_names[] __initdata = { > static struct clk *omap3_dm_source_clocks[2]; > static const int dm_timer_count = ARRAY_SIZE(omap3_dm_timers); > > +#elif defined(CONFIG_ARCH_OMAP4) > + > +#define omap_dm_clk_enable(x) clk_enable(x) > +#define omap_dm_clk_disable(x) clk_disable(x) > +#define omap1_dm_timers NULL > +#define omap2_dm_timers NULL > +#define omap2_dm_source_names NULL > +#define omap2_dm_source_clocks NULL > +#define omap3_dm_timers NULL > +#define omap3_dm_source_names NULL > +#define omap3_dm_source_clocks NULL > + > +static struct omap_dm_timer omap4_dm_timers[] = { > + { .phys_base = 0x4a318000, .irq = INT_44XX_GPTIMER1 }, > + { .phys_base = 0x48032000, .irq = INT_44XX_GPTIMER2 }, > + { .phys_base = 0x48034000, .irq = INT_44XX_GPTIMER3 }, > + { .phys_base = 0x48036000, .irq = INT_44XX_GPTIMER4 }, > + { .phys_base = 0x40138000, .irq = INT_44XX_GPTIMER5 }, > + { .phys_base = 0x4013a000, .irq = INT_44XX_GPTIMER6 }, > + { .phys_base = 0x4013a000, .irq = INT_44XX_GPTIMER7 }, > + { .phys_base = 0x4013e000, .irq = INT_44XX_GPTIMER8 }, > + { .phys_base = 0x4803e000, .irq = INT_44XX_GPTIMER9 }, > + { .phys_base = 0x48086000, .irq = INT_44XX_GPTIMER10 }, > + { .phys_base = 0x48088000, .irq = INT_44XX_GPTIMER11 }, > + { .phys_base = 0x4a320000, .irq = INT_44XX_GPTIMER12 }, > +}; > +static const char *omap4_dm_source_names[] __initdata = { > + "sys_ck", > + "omap_32k_fck", > + NULL > +}; > +static struct clk *omap4_dm_source_clocks[2]; > +static const int dm_timer_count = ARRAY_SIZE(omap4_dm_timers); > + > #else > > #error OMAP architecture not supported! > @@ -459,7 +506,8 @@ __u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask) > } > EXPORT_SYMBOL_GPL(omap_dm_timer_modify_idlect_mask); > > -#elif defined(CONFIG_ARCH_OMAP2) || defined (CONFIG_ARCH_OMAP3) > +#elif defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \ > + defined(CONFIG_ARCH_OMAP4) > > struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer) > { > @@ -711,6 +759,10 @@ int __init omap_dm_timer_init(void) > dm_timers = omap3_dm_timers; > dm_source_names = omap3_dm_source_names; > dm_source_clocks = omap3_dm_source_clocks; > + } else if (cpu_is_omap44xx()) { > + dm_timers = omap4_dm_timers; > + dm_source_names = omap4_dm_source_names; > + dm_source_clocks = omap4_dm_source_clocks; > } > > if (cpu_class_is_omap2()) > @@ -723,7 +775,8 @@ int __init omap_dm_timer_init(void) > for (i = 0; i < dm_timer_count; i++) { > timer = &dm_timers[i]; > timer->io_base = IO_ADDRESS(timer->phys_base); > -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) > +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \ > + defined(CONFIG_ARCH_OMAP4) > if (cpu_class_is_omap2()) { > char clk_name[16]; > sprintf(clk_name, "gpt%d_ick", i + 1); > diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c > index 17d7afe..19c2488 100644 > --- a/arch/arm/plat-omap/gpio.c > +++ b/arch/arm/plat-omap/gpio.c > @@ -6,6 +6,9 @@ > * Copyright (C) 2003-2005 Nokia Corporation > * Written by Juha Yrjölä <juha.yrjola@xxxxxxxxx> > * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > * This program is free software; you can redistribute it and/or modify > * it under the terms of the GNU General Public License version 2 as > * published by the Free Software Foundation. > @@ -146,6 +149,16 @@ > #define OMAP34XX_GPIO5_BASE IO_ADDRESS(0x49056000) > #define OMAP34XX_GPIO6_BASE IO_ADDRESS(0x49058000) > > +/* > + * OMAP44XX specific GPIO registers > + */ > +#define OMAP44XX_GPIO1_BASE IO_ADDRESS(0x4a310000) > +#define OMAP44XX_GPIO2_BASE IO_ADDRESS(0x48055000) > +#define OMAP44XX_GPIO3_BASE IO_ADDRESS(0x48057000) > +#define OMAP44XX_GPIO4_BASE IO_ADDRESS(0x48059000) > +#define OMAP44XX_GPIO5_BASE IO_ADDRESS(0x4805B000) > +#define OMAP44XX_GPIO6_BASE IO_ADDRESS(0x4805D000) > + > #define OMAP_MPUIO_VBASE IO_ADDRESS(OMAP_MPUIO_BASE) > > struct gpio_bank { > @@ -153,11 +166,13 @@ struct gpio_bank { > u16 irq; > u16 virtual_irq_start; > int method; > -#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || \ > + defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP4) > u32 suspend_wakeup; > u32 saved_wakeup; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > u32 non_wakeup_gpios; > u32 enabled_non_wakeup_gpios; > > @@ -251,6 +266,24 @@ static struct gpio_bank gpio_bank_34xx[6] = { > > #endif > > +#ifdef CONFIG_ARCH_OMAP4 > +static struct gpio_bank gpio_bank_44xx[6] = { > + { OMAP44XX_GPIO1_BASE, INT_44XX_GPIO_BANK1, IH_GPIO_BASE, \ > + METHOD_GPIO_24XX }, > + { OMAP44XX_GPIO2_BASE, INT_44XX_GPIO_BANK2, IH_GPIO_BASE + 32, \ > + METHOD_GPIO_24XX }, > + { OMAP44XX_GPIO3_BASE, INT_44XX_GPIO_BANK3, IH_GPIO_BASE + 64, \ > + METHOD_GPIO_24XX }, > + { OMAP44XX_GPIO4_BASE, INT_44XX_GPIO_BANK4, IH_GPIO_BASE + 96, \ > + METHOD_GPIO_24XX }, > + { OMAP44XX_GPIO5_BASE, INT_44XX_GPIO_BANK5, IH_GPIO_BASE + 128, \ > + METHOD_GPIO_24XX }, > + { OMAP44XX_GPIO6_BASE, INT_44XX_GPIO_BANK6, IH_GPIO_BASE + 160, \ > + METHOD_GPIO_24XX }, > +}; > + > +#endif > + > static struct gpio_bank *gpio_bank; > static int gpio_bank_count; > > @@ -273,7 +306,7 @@ static inline struct gpio_bank *get_gpio_bank(int gpio) > } > if (cpu_is_omap24xx()) > return &gpio_bank[gpio >> 5]; > - if (cpu_is_omap34xx()) > + if (cpu_is_omap34xx() || cpu_is_omap44xx()) > return &gpio_bank[gpio >> 5]; > BUG(); > return NULL; > @@ -285,7 +318,7 @@ static inline int get_gpio_index(int gpio) > return gpio & 0x1f; > if (cpu_is_omap24xx()) > return gpio & 0x1f; > - if (cpu_is_omap34xx()) > + if (cpu_is_omap34xx() || cpu_is_omap44xx()) > return gpio & 0x1f; > return gpio & 0x0f; > } > @@ -307,7 +340,7 @@ static inline int gpio_valid(int gpio) > return 0; > if (cpu_is_omap24xx() && gpio < 128) > return 0; > - if (cpu_is_omap34xx() && gpio < 160) > + if ((cpu_is_omap34xx() || cpu_is_omap44xx()) && gpio < 160) > return 0; > return -1; > } > @@ -353,7 +386,8 @@ static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input) > reg += OMAP850_GPIO_DIR_CONTROL; > break; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > case METHOD_GPIO_24XX: > reg += OMAP24XX_GPIO_OE; > break; > @@ -425,7 +459,8 @@ static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable) > l &= ~(1 << gpio); > break; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > case METHOD_GPIO_24XX: > if (enable) > reg += OMAP24XX_GPIO_SETDATAOUT; > @@ -476,7 +511,8 @@ static int __omap_get_gpio_datain(int gpio) > reg += OMAP850_GPIO_DATA_INPUT; > break; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > case METHOD_GPIO_24XX: > reg += OMAP24XX_GPIO_DATAIN; > break; > @@ -520,7 +556,7 @@ void omap_set_gpio_debounce(int gpio, int enable) > else > goto done; > > - if (cpu_is_omap34xx()) { > + if (cpu_is_omap34xx() || cpu_is_omap44xx()) { > if (enable) > clk_enable(bank->dbck); > else > @@ -550,7 +586,8 @@ void omap_set_gpio_debounce_time(int gpio, int enc_time) > } > EXPORT_SYMBOL(omap_set_gpio_debounce_time); > > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio, > int trigger) > { > @@ -660,7 +697,8 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) > goto bad; > break; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > case METHOD_GPIO_24XX: > set_24xx_gpio_triggering(bank, gpio, trigger); > break; > @@ -745,7 +783,8 @@ static void _clear_gpio_irqbank(struct gpio_bank *bank, int gpio_mask) > reg += OMAP850_GPIO_INT_STATUS; > break; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > case METHOD_GPIO_24XX: > reg += OMAP24XX_GPIO_IRQSTATUS1; > break; > @@ -814,7 +853,8 @@ static u32 _get_gpio_irqbank_mask(struct gpio_bank *bank) > inv = 1; > break; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > case METHOD_GPIO_24XX: > reg += OMAP24XX_GPIO_IRQENABLE1; > mask = 0xffffffff; > @@ -887,7 +927,8 @@ static void _enable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask, int enab > l |= gpio_mask; > break; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > case METHOD_GPIO_24XX: > if (enable) > reg += OMAP24XX_GPIO_SETIRQENABLE1; > @@ -932,7 +973,8 @@ static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable) > spin_unlock_irqrestore(&bank->lock, flags); > return 0; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > case METHOD_GPIO_24XX: > if (bank->non_wakeup_gpios & (1 << gpio)) { > printk(KERN_ERR "Unable to modify wakeup on " > @@ -1017,7 +1059,8 @@ static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) > __raw_writel(1 << offset, reg); > } > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > if (bank->method == METHOD_GPIO_24XX) { > /* Disable wake-up during idle for dynamic tick */ > void __iomem *reg = bank->base + OMAP24XX_GPIO_CLEARWKUENA; > @@ -1069,7 +1112,8 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) > if (bank->method == METHOD_GPIO_850) > isr_reg = bank->base + OMAP850_GPIO_INT_STATUS; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > if (bank->method == METHOD_GPIO_24XX) > isr_reg = bank->base + OMAP24XX_GPIO_IRQSTATUS1; > #endif > @@ -1346,7 +1390,7 @@ static int gpio_2irq(struct gpio_chip *chip, unsigned offset) > /*---------------------------------------------------------------------*/ > > static int initialized; > -#if !defined(CONFIG_ARCH_OMAP3) > +#if !(defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)) > static struct clk * gpio_ick; > #endif > > @@ -1359,7 +1403,7 @@ static struct clk * gpio5_ick; > static struct clk * gpio5_fck; > #endif > > -#if defined(CONFIG_ARCH_OMAP3) > +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) > static struct clk *gpio_iclks[OMAP34XX_NR_GPIOS]; > #endif > > @@ -1419,8 +1463,8 @@ static int __init _omap_gpio_init(void) > } > #endif > > -#if defined(CONFIG_ARCH_OMAP3) > - if (cpu_is_omap34xx()) { > +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) > + if (cpu_is_omap34xx() || cpu_is_omap44xx()) { > for (i = 0; i < OMAP34XX_NR_GPIOS; i++) { > sprintf(clk_name, "gpio%d_ick", i + 1); > gpio_iclks[i] = clk_get(NULL, clk_name); > @@ -1497,6 +1541,17 @@ static int __init _omap_gpio_init(void) > (rev >> 4) & 0x0f, rev & 0x0f); > } > #endif > +#ifdef CONFIG_ARCH_OMAP4 > + if (cpu_is_omap44xx()) { > + int rev; > + > + gpio_bank_count = OMAP34XX_NR_GPIOS; > + gpio_bank = gpio_bank_44xx; > + rev = __raw_readl(gpio_bank[0].base + OMAP24XX_GPIO_REVISION); > + printk(KERN_INFO "OMAP44xx GPIO hardware version %d.%d\n", > + (rev >> 4) & 0x0f, rev & 0x0f); > + } > +#endif > for (i = 0; i < gpio_bank_count; i++) { > int j, gpio_count = 16; > > @@ -1520,7 +1575,8 @@ static int __init _omap_gpio_init(void) > gpio_count = 32; /* 730 has 32-bit GPIOs */ > } > > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > if (bank->method == METHOD_GPIO_24XX) { > static const u32 non_wakeup_gpios[] = { > 0xe203ffc0, 0x08700040 > @@ -1577,7 +1633,7 @@ static int __init _omap_gpio_init(void) > set_irq_chained_handler(bank->irq, gpio_irq_handler); > set_irq_data(bank->irq, bank); > > - if (cpu_is_omap34xx()) { > + if (cpu_is_omap34xx() || cpu_is_omap44xx()) { > sprintf(clk_name, "gpio%d_dbck", i + 1); > bank->dbck = clk_get(NULL, clk_name); > if (IS_ERR(bank->dbck)) > @@ -1599,7 +1655,8 @@ static int __init _omap_gpio_init(void) > return 0; > } > > -#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || \ > + defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP4) > static int omap_gpio_suspend(struct sys_device *dev, pm_message_t mesg) > { > int i; > @@ -1622,7 +1679,8 @@ static int omap_gpio_suspend(struct sys_device *dev, pm_message_t mesg) > wake_set = bank->base + OMAP1610_GPIO_SET_WAKEUPENA; > break; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > case METHOD_GPIO_24XX: > wake_status = bank->base + OMAP24XX_GPIO_WAKE_EN; > wake_clear = bank->base + OMAP24XX_GPIO_CLEARWKUENA; > @@ -1663,7 +1721,8 @@ static int omap_gpio_resume(struct sys_device *dev) > wake_set = bank->base + OMAP1610_GPIO_SET_WAKEUPENA; > break; > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > case METHOD_GPIO_24XX: > wake_clear = bank->base + OMAP24XX_GPIO_CLEARWKUENA; > wake_set = bank->base + OMAP24XX_GPIO_SETWKUENA; > @@ -1695,7 +1754,8 @@ static struct sys_device omap_gpio_device = { > > #endif > > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > > static int workaround_enabled; > > @@ -1711,7 +1771,8 @@ void omap2_gpio_prepare_for_retention(void) > > if (!(bank->enabled_non_wakeup_gpios)) > continue; > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > bank->saved_datain = __raw_readl(bank->base + OMAP24XX_GPIO_DATAIN); > l1 = __raw_readl(bank->base + OMAP24XX_GPIO_FALLINGDETECT); > l2 = __raw_readl(bank->base + OMAP24XX_GPIO_RISINGDETECT); > @@ -1720,7 +1781,8 @@ void omap2_gpio_prepare_for_retention(void) > bank->saved_risingdetect = l2; > l1 &= ~bank->enabled_non_wakeup_gpios; > l2 &= ~bank->enabled_non_wakeup_gpios; > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > __raw_writel(l1, bank->base + OMAP24XX_GPIO_FALLINGDETECT); > __raw_writel(l2, bank->base + OMAP24XX_GPIO_RISINGDETECT); > #endif > @@ -1745,7 +1807,8 @@ void omap2_gpio_resume_after_retention(void) > > if (!(bank->enabled_non_wakeup_gpios)) > continue; > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > __raw_writel(bank->saved_fallingdetect, > bank->base + OMAP24XX_GPIO_FALLINGDETECT); > __raw_writel(bank->saved_risingdetect, > @@ -1755,14 +1818,16 @@ void omap2_gpio_resume_after_retention(void) > * state. If so, generate an IRQ by software. This is > * horribly racy, but it's the best we can do to work around > * this silicon bug. */ > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > l = __raw_readl(bank->base + OMAP24XX_GPIO_DATAIN); > #endif > l ^= bank->saved_datain; > l &= bank->non_wakeup_gpios; > if (l) { > u32 old0, old1; > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > old0 = __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT0); > old1 = __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT1); > __raw_writel(old0 | l, bank->base + OMAP24XX_GPIO_LEVELDETECT0); > @@ -1798,7 +1863,8 @@ static int __init omap_gpio_sysinit(void) > > mpuio_init(); > > -#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || \ > + defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP4) > if (cpu_is_omap16xx() || cpu_class_is_omap2()) { > if (ret == 0) { > ret = sysdev_class_register(&omap_gpio_sysclass); > @@ -1887,7 +1953,7 @@ static int dbg_gpio_show(struct seq_file *s, void *unused) > > irqstat = irq_desc[irq].status; > #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP24XX) || \ > - defined(CONFIG_ARCH_OMAP34XX) > + defined(CONFIG_ARCH_OMAP34XX) || defined(CONFIG_ARCH_OMAP4) > if (is_in && ((bank->suspend_wakeup & mask) > || irqstat & IRQ_TYPE_SENSE_MASK)) { > char *trigger = NULL; > diff --git a/arch/arm/plat-omap/include/mach/clock.h b/arch/arm/plat-omap/include/mach/clock.h > index 073a2c5..c20e02e 100644 > --- a/arch/arm/plat-omap/include/mach/clock.h > +++ b/arch/arm/plat-omap/include/mach/clock.h > @@ -22,7 +22,8 @@ struct clkops { > void (*disable)(struct clk *); > }; > > -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) > +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \ > + defined(CONFIG_ARCH_OMAP4) > > struct clksel_rate { > u32 val; > @@ -51,7 +52,7 @@ struct dpll_data { > u8 max_divider; > u32 max_tolerance; > u16 max_multiplier; > -# if defined(CONFIG_ARCH_OMAP3) > +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) > u8 modes; > void __iomem *autoidle_reg; > void __iomem *idlest_reg; > @@ -83,7 +84,8 @@ struct clk { > void (*init)(struct clk *); > __u8 enable_bit; > __s8 usecount; > -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) > +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \ > + defined(CONFIG_ARCH_OMAP4) > u8 fixed_div; > void __iomem *clksel_reg; > u32 clksel_mask; > diff --git a/arch/arm/plat-omap/include/mach/common.h b/arch/arm/plat-omap/include/mach/common.h > index 0ecf36d..4b18833 100644 > --- a/arch/arm/plat-omap/include/mach/common.h > +++ b/arch/arm/plat-omap/include/mach/common.h > @@ -62,6 +62,7 @@ struct omap_globals { > void omap2_set_globals_242x(void); > void omap2_set_globals_243x(void); > void omap2_set_globals_343x(void); > +void omap2_set_globals_443x(void); > > /* These get called from omap2_set_globals_xxxx(), do not call these */ > void omap2_set_globals_tap(struct omap_globals *); > diff --git a/arch/arm/plat-omap/include/mach/control.h b/arch/arm/plat-omap/include/mach/control.h > index 269147f..f45ec62 100644 > --- a/arch/arm/plat-omap/include/mach/control.h > +++ b/arch/arm/plat-omap/include/mach/control.h > @@ -1,9 +1,9 @@ > /* > * arch/arm/plat-omap/include/mach/control.h > * > - * OMAP2/3 System Control Module definitions > + * OMAP2/3/4 System Control Module definitions > * > - * Copyright (C) 2007-2008 Texas Instruments, Inc. > + * Copyright (C) 2007-2009 Texas Instruments, Inc. > * Copyright (C) 2007-2008 Nokia Corporation > * > * Written by Paul Walmsley > @@ -190,7 +190,8 @@ > #define OMAP2_PBIASLITEVMODE0 (1 << 0) > > #ifndef __ASSEMBLY__ > -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) > +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \ > + defined(CONFIG_ARCH_OMAP4) > extern void __iomem *omap_ctrl_base_get(void); > extern u8 omap_ctrl_readb(u16 offset); > extern u16 omap_ctrl_readw(u16 offset); > diff --git a/arch/arm/plat-omap/include/mach/cpu.h b/arch/arm/plat-omap/include/mach/cpu.h > index 98b1442..fc60c4e 100644 > --- a/arch/arm/plat-omap/include/mach/cpu.h > +++ b/arch/arm/plat-omap/include/mach/cpu.h > @@ -5,8 +5,12 @@ > * > * Copyright (C) 2004, 2008 Nokia Corporation > * > + * Copyright (C) 2009 Texas Instruments. > + * > * Written by Tony Lindgren <tony.lindgren@xxxxxxxxx> > * > + * Added OMAP4 specific defines - Santosh Shilimkar<santosh.shilimkar@xxxxxx> > + * > * This program is free software; you can redistribute it and/or modify > * it under the terms of the GNU General Public License as published by > * the Free Software Foundation; either version 2 of the License, or > @@ -155,6 +159,8 @@ IS_OMAP_SUBCLASS(343x, 0x343) > #define cpu_is_omap243x() 0 > #define cpu_is_omap34xx() 0 > #define cpu_is_omap343x() 0 > +#define cpu_is_omap44xx() 0 > +#define cpu_is_omap443x() 0 > > #if defined(MULTI_OMAP1) > # if defined(CONFIG_ARCH_OMAP730) > @@ -348,12 +354,21 @@ IS_OMAP_TYPE(3430, 0x3430) > # define cpu_is_omap3430() is_omap3430() > #endif > > +# if defined(CONFIG_ARCH_OMAP4) > +# undef cpu_is_omap44xx > +# undef cpu_is_omap443x > +# define cpu_is_omap44xx() 1 > +# define cpu_is_omap443x() 1 > +# endif > + > /* Macros to detect if we have OMAP1 or OMAP2 */ > #define cpu_class_is_omap1() (cpu_is_omap7xx() || cpu_is_omap15xx() || \ > cpu_is_omap16xx()) > -#define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx()) > +#define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx() || \ > + cpu_is_omap44xx()) > > -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) > +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \ > + defined(CONFIG_ARCH_OMAP4) > > /* Various silicon revisions for omap2 */ > #define OMAP242X_CLASS 0x24200024 > @@ -370,6 +385,8 @@ IS_OMAP_TYPE(3430, 0x3430) > #define OMAP3430_REV_ES3_0 0x34303034 > #define OMAP3430_REV_ES3_1 0x34304034 > > +#define OMAP443X_CLASS 0x44300034 > + > /* > * omap_chip bits > * > diff --git a/arch/arm/plat-omap/include/mach/debug-macro.S b/arch/arm/plat-omap/include/mach/debug-macro.S > index 1b11f5c..ac24050 100644 > --- a/arch/arm/plat-omap/include/mach/debug-macro.S > +++ b/arch/arm/plat-omap/include/mach/debug-macro.S > @@ -36,7 +36,7 @@ > add \rx, \rx, #0x00004000 @ UART 3 > #endif > > -#elif CONFIG_ARCH_OMAP3 > +#elif defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) > moveq \rx, #0x48000000 @ physical base address > movne \rx, #0xd8000000 @ virtual base > orr \rx, \rx, #0x0006a000 > diff --git a/arch/arm/plat-omap/include/mach/dma.h b/arch/arm/plat-omap/include/mach/dma.h > index 54fe966..8e05b6a 100644 > --- a/arch/arm/plat-omap/include/mach/dma.h > +++ b/arch/arm/plat-omap/include/mach/dma.h > @@ -48,6 +48,7 @@ > /* Hardware registers for omap2 and omap3 */ > #define OMAP24XX_DMA4_BASE (L4_24XX_BASE + 0x56000) > #define OMAP34XX_DMA4_BASE (L4_34XX_BASE + 0x56000) > +#define OMAP44XX_DMA4_BASE (L4_44XX_BASE + 0x56000) > > #define OMAP_DMA4_REVISION 0x00 > #define OMAP_DMA4_GCR 0x78 > diff --git a/arch/arm/plat-omap/include/mach/entry-macro.S b/arch/arm/plat-omap/include/mach/entry-macro.S > index 33256a0..00f45c0 100644 > --- a/arch/arm/plat-omap/include/mach/entry-macro.S > +++ b/arch/arm/plat-omap/include/mach/entry-macro.S > @@ -3,6 +3,9 @@ > * > * Low-level IRQ helper macros for OMAP-based platforms > * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > * This file is licensed under the terms of the GNU General Public > * License version 2. This program is licensed "as is" without any > * warranty of any kind, whether express or implied. > @@ -10,6 +13,7 @@ > #include <mach/hardware.h> > #include <mach/io.h> > #include <mach/irqs.h> > +#include <asm/hardware/gic.h> > > #if defined(CONFIG_ARCH_OMAP1) > > @@ -56,7 +60,8 @@ > .endm > > #endif > -#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \ > + defined(CONFIG_ARCH_OMAP4) > > #include <mach/omap24xx.h> > #include <mach/omap34xx.h> > @@ -67,7 +72,9 @@ > #elif defined(CONFIG_ARCH_OMAP34XX) > #define OMAP2_VA_IC_BASE IO_ADDRESS(OMAP34XX_IC_BASE) > #endif > - > +#if defined(CONFIG_ARCH_OMAP4) > +#include <mach/omap44xx.h> > +#endif > #define INTCPS_SIR_IRQ_OFFSET 0x0040 /* Active interrupt offset */ > #define ACTIVEIRQ_MASK 0x7f /* Active interrupt bits */ > > @@ -80,6 +87,7 @@ > .macro arch_ret_to_user, tmp1, tmp2 > .endm > > +#ifndef CONFIG_ARCH_OMAP4 > .macro get_irqnr_and_base, irqnr, irqstat, base, tmp > ldr \base, =OMAP2_VA_IC_BASE > ldr \irqnr, [\base, #0x98] /* IRQ pending reg 1 */ > @@ -95,6 +103,40 @@ > and \irqnr, \irqnr, #ACTIVEIRQ_MASK /* Clear spurious bits */ > > .endm > +#else > + /* > + * The interrupt numbering scheme is defined in the > + * interrupt controller spec. To wit: > + * > + * Interrupts 0-15 are IPI > + * 16-28 are reserved > + * 29-31 are local. We allow 30 to be used for the watchdog. > + * 32-1020 are global > + * 1021-1022 are reserved > + * 1023 is "spurious" (no interrupt) > + * > + * For now, we ignore all local interrupts so only return an > + * interrupt if it's between 30 and 1020. The test_for_ipi > + * routine below will pick up on IPIs. > + * A simple read from the controller will tell us the number > + * of the highest priority enabled interrupt. > + * We then just need to check whether it is in the > + * valid range for an IRQ (30-1020 inclusive). > + */ > + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp > + ldr \base, =OMAP44XX_VA_GIC_CPU_BASE > + ldr \irqstat, [\base, #GIC_CPU_INTACK] > + > + ldr \tmp, =1021 > + > + bic \irqnr, \irqstat, #0x1c00 > + > + cmp \irqnr, #29 > + cmpcc \irqnr, \irqnr > + cmpne \irqnr, \tmp > + cmpcs \irqnr, \irqnr > + .endm > +#endif > > .macro irq_prio_table > .endm > diff --git a/arch/arm/plat-omap/include/mach/hardware.h b/arch/arm/plat-omap/include/mach/hardware.h > index 3dc423e..26c1fbf 100644 > --- a/arch/arm/plat-omap/include/mach/hardware.h > +++ b/arch/arm/plat-omap/include/mach/hardware.h > @@ -285,5 +285,6 @@ > #include "omap16xx.h" > #include "omap24xx.h" > #include "omap34xx.h" > +#include "omap44xx.h" > > #endif /* __ASM_ARCH_OMAP_HARDWARE_H */ > diff --git a/arch/arm/plat-omap/include/mach/io.h b/arch/arm/plat-omap/include/mach/io.h > index 0610d7e..3b28147 100644 > --- a/arch/arm/plat-omap/include/mach/io.h > +++ b/arch/arm/plat-omap/include/mach/io.h > @@ -6,6 +6,9 @@ > * Copied from arch/arm/mach-sa1100/include/mach/io.h > * Copyright (C) 1997-1999 Russell King > * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > * This program is free software; you can redistribute it and/or modify it > * under the terms of the GNU General Public License as published by the > * Free Software Foundation; either version 2 of the License, or (at your > @@ -157,6 +160,40 @@ > #define DSP_MMU_34XX_VIRT 0xe2000000 > #define DSP_MMU_34XX_SIZE SZ_4K > > + > +#elif defined(CONFIG_ARCH_OMAP4) > +/* We map both L3 and L4 on OMAP4 */ > +#define L3_44XX_PHYS L3_44XX_BASE > +#define L3_44XX_VIRT 0xd4000000 > +#define L3_44XX_SIZE SZ_1M > + > +#define L4_44XX_PHYS L4_44XX_BASE > +#define L4_44XX_VIRT 0xda000000 > +#define L4_44XX_SIZE SZ_4M > + > + > +#define L4_WK_44XX_PHYS L4_WK_44XX_BASE > +#define L4_WK_44XX_VIRT 0xda300000 > +#define L4_WK_44XX_SIZE SZ_1M > + > +#define L4_PER_44XX_PHYS L4_PER_44XX_BASE > +#define L4_PER_44XX_VIRT 0xd8000000 > +#define L4_PER_44XX_SIZE SZ_4M > + > +#define L4_EMU_44XX_PHYS L4_EMU_44XX_BASE > +#define L4_EMU_44XX_VIRT 0xe4000000 > +#define L4_EMU_44XX_SIZE SZ_64M > + > +#define OMAP44XX_GPMC_PHYS OMAP44XX_GPMC_BASE > +#define OMAP44XX_GPMC_VIRT 0xe0000000 > +#define OMAP44XX_GPMC_SIZE SZ_1M > + > + > +#define IO_OFFSET 0x90000000 > +#define __IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */ > +#define __OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */ > +#define io_v2p(va) ((va) - IO_OFFSET)/* Works for L3 and L4 */ > + > #endif > > #define IO_ADDRESS(pa) IOMEM(__IO_ADDRESS(pa)) > diff --git a/arch/arm/plat-omap/include/mach/irqs.h b/arch/arm/plat-omap/include/mach/irqs.h > index 7f57ee6..5bc331e 100644 > --- a/arch/arm/plat-omap/include/mach/irqs.h > +++ b/arch/arm/plat-omap/include/mach/irqs.h > @@ -4,6 +4,9 @@ > * Copyright (C) Greg Lonnon 2001 > * Updated for OMAP-1610 by Tony Lindgren <tony@xxxxxxxxxxx> > * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > * This program is free software; you can redistribute it and/or modify > * it under the terms of the GNU General Public License as published by > * the Free Software Foundation; either version 2 of the License, or > @@ -422,6 +425,92 @@ > > #define INT_34XX_BENCH_MPU_EMUL 3 > > + > +#define IRQ_GIC_START 32 > + > +#define INT_44XX_BENCH_MPU_EMUL (3 + IRQ_GIC_START) > +#define INT_44XX_SSM_ABORT_IRQ (6 + IRQ_GIC_START) > +#define INT_44XX_SYS_NIRQ (7 + IRQ_GIC_START) > +#define INT_44XX_D2D_FW_IRQ (8 + IRQ_GIC_START) > +#define INT_44XX_PRCM_MPU_IRQ (11 + IRQ_GIC_START) > +#define INT_44XX_SDMA_IRQ0 (12 + IRQ_GIC_START) > +#define INT_44XX_SDMA_IRQ1 (13 + IRQ_GIC_START) > +#define INT_44XX_SDMA_IRQ2 (14 + IRQ_GIC_START) > +#define INT_44XX_SDMA_IRQ3 (15 + IRQ_GIC_START) > +#define INT_44XX_ISS_IRQ (24 + IRQ_GIC_START) > +#define INT_44XX_DSS_IRQ (25 + IRQ_GIC_START) > +#define INT_44XX_MAIL_U0_MPU (26 + IRQ_GIC_START) > +#define INT_44XX_DSP_MMU (28 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER1 (37 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER2 (38 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER3 (39 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER4 (40 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER5 (41 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER6 (42 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER7 (43 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER8 (44 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER9 (45 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER10 (46 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER11 (47 + IRQ_GIC_START) > +#define INT_44XX_GPTIMER12 (95 + IRQ_GIC_START) > +#define INT_44XX_SHA1MD5 (51 + IRQ_GIC_START) > +#define INT_44XX_I2C1_IRQ (56 + IRQ_GIC_START) > +#define INT_44XX_I2C2_IRQ (57 + IRQ_GIC_START) > +#define INT_44XX_HDQ_IRQ (58 + IRQ_GIC_START) > +#define INT_44XX_SPI1_IRQ (65 + IRQ_GIC_START) > +#define INT_44XX_SPI2_IRQ (66 + IRQ_GIC_START) > +#define INT_44XX_HSI_1_IRQ0 (67 + IRQ_GIC_START) > +#define INT_44XX_HSI_2_IRQ1 (68 + IRQ_GIC_START) > +#define INT_44XX_HSI_1_DMAIRQ (71 + IRQ_GIC_START) > +#define INT_44XX_UART1_IRQ (72 + IRQ_GIC_START) > +#define INT_44XX_UART2_IRQ (73 + IRQ_GIC_START) > +#define INT_44XX_UART3_IRQ (74 + IRQ_GIC_START) > +#define INT_44XX_UART4_IRQ (70 + IRQ_GIC_START) > +#define INT_44XX_USB_IRQ_NISO (76 + IRQ_GIC_START) > +#define INT_44XX_USB_IRQ_ISO (77 + IRQ_GIC_START) > +#define INT_44XX_USB_IRQ_HGEN (78 + IRQ_GIC_START) > +#define INT_44XX_USB_IRQ_HSOF (79 + IRQ_GIC_START) > +#define INT_44XX_USB_IRQ_OTG (80 + IRQ_GIC_START) > +#define INT_44XX_MCBSP4_IRQ_TX (81 + IRQ_GIC_START) > +#define INT_44XX_MCBSP4_IRQ_RX (82 + IRQ_GIC_START) > +#define INT_44XX_MMC_IRQ (83 + IRQ_GIC_START) > +#define INT_44XX_MMC2_IRQ (86 + IRQ_GIC_START) > +#define INT_44XX_MCBSP2_IRQ_TX (89 + IRQ_GIC_START) > +#define INT_44XX_MCBSP2_IRQ_RX (90 + IRQ_GIC_START) > +#define INT_44XX_SPI3_IRQ (91 + IRQ_GIC_START) > +#define INT_44XX_SPI5_IRQ (69 + IRQ_GIC_START) > + > +#define INT_44XX_MCBSP5_IRQ (16 + IRQ_GIC_START) > +#define INT_44xX_MCBSP1_IRQ (17 + IRQ_GIC_START) > +#define INT_44XX_MCBSP2_IRQ (22 + IRQ_GIC_START) > +#define INT_44XX_MCBSP3_IRQ (23 + IRQ_GIC_START) > +#define INT_44XX_MCBSP4_IRQ (27 + IRQ_GIC_START) > +#define INT_44XX_HS_USB_MC (92 + IRQ_GIC_START) > +#define INT_44XX_HS_USB_DMA (93 + IRQ_GIC_START) > + > +#define INT_44XX_GPIO_BANK1 (29 + IRQ_GIC_START) > +#define INT_44XX_GPIO_BANK2 (30 + IRQ_GIC_START) > +#define INT_44XX_GPIO_BANK3 (31 + IRQ_GIC_START) > +#define INT_44XX_GPIO_BANK4 (32 + IRQ_GIC_START) > +#define INT_44XX_GPIO_BANK5 (33 + IRQ_GIC_START) > +#define INT_44XX_GPIO_BANK6 (34 + IRQ_GIC_START) > +#define INT_44XX_USIM_IRQ (35 + IRQ_GIC_START) > +#define INT_44XX_WDT3_IRQ (36 + IRQ_GIC_START) > +#define INT_44XX_SPI4_IRQ (48 + IRQ_GIC_START) > +#define INT_44XX_SHA1MD52_IRQ (49 + IRQ_GIC_START) > +#define INT_44XX_FPKA_READY_IRQ (50 + IRQ_GIC_START) > +#define INT_44XX_SHA1MD51_IRQ (51 + IRQ_GIC_START) > +#define INT_44XX_RNG_IRQ (52 + IRQ_GIC_START) > +#define INT_44XX_I2C3_IRQ (61 + IRQ_GIC_START) > +#define INT_44XX_FPKA_ERROR_IRQ (64 + IRQ_GIC_START) > +#define INT_44XX_PBIAS_IRQ (75 + IRQ_GIC_START) > +#define INT_44XX_OHCI_IRQ (76 + IRQ_GIC_START) > +#define INT_44XX_EHCI_IRQ (77 + IRQ_GIC_START) > +#define INT_44XX_TLL_IRQ (78 + IRQ_GIC_START) > +#define INT_44XX_PARTHASH_IRQ (79 + IRQ_GIC_START) > +#define INT_44XX_MMC3_IRQ (94 + IRQ_GIC_START) > + > + > /* Max. 128 level 2 IRQs (OMAP1610), 192 GPIOs (OMAP730/850) and > * 16 MPUIO lines */ > #define OMAP_MAX_GPIO_LINES 192 > diff --git a/arch/arm/plat-omap/include/mach/memory.h b/arch/arm/plat-omap/include/mach/memory.h > index 99ed564..9ad41dc 100644 > --- a/arch/arm/plat-omap/include/mach/memory.h > +++ b/arch/arm/plat-omap/include/mach/memory.h > @@ -38,7 +38,8 @@ > */ > #if defined(CONFIG_ARCH_OMAP1) > #define PHYS_OFFSET UL(0x10000000) > -#elif defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) > +#elif defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \ > + defined(CONFIG_ARCH_OMAP4) > #define PHYS_OFFSET UL(0x80000000) > #endif > > diff --git a/arch/arm/plat-omap/include/mach/omap44xx.h b/arch/arm/plat-omap/include/mach/omap44xx.h > new file mode 100644 > index 0000000..15dec7f > --- /dev/null > +++ b/arch/arm/plat-omap/include/mach/omap44xx.h > @@ -0,0 +1,46 @@ > +/*: > + * Address mappings and base address for OMAP4 interconnects > + * and peripherals. > + * > + * Copyright (C) 2009 Texas Instruments > + * > + * Author: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + */ > +#ifndef __ASM_ARCH_OMAP44XX_H > +#define __ASM_ARCH_OMAP44XX_H > + > +/* > + * Please place only base defines here and put the rest in device > + * specific headers. > + */ > +#define L4_44XX_BASE 0x4a000000 > +#define L4_WK_44XX_BASE 0x4a300000 > +#define L4_PER_44XX_BASE 0x48000000 > +#define L4_EMU_44XX_BASE 0x54000000 > +#define L3_44XX_BASE 0x44000000 > +#define OMAP4430_32KSYNCT_BASE 0x4a304000 > +#define OMAP4430_CM_BASE 0x4a004000 > +#define OMAP4430_PRM_BASE 0x48306000 > +#define OMAP44XX_GPMC_BASE 0x50000000 > +#define OMAP443X_SCM_BASE 0x4a002000 > +#define OMAP443X_CTRL_BASE OMAP443X_SCM_BASE > +#define OMAP44XX_IC_BASE 0x48200000 > +#define OMAP44XX_IVA_INTC_BASE 0x40000000 > +#define IRQ_SIR_IRQ 0x0040 > +#define OMAP44XX_GIC_DIST_BASE 0x48241000 > +#define OMAP44XX_GIC_CPU_BASE 0x48240100 > +#define OMAP44XX_VA_GIC_CPU_BASE IO_ADDRESS(OMAP44XX_GIC_CPU_BASE) > +#define OMAP44XX_SCU_BASE 0x48240000 > +#define OMAP44XX_VA_SCU_BASE IO_ADDRESS(OMAP44XX_SCU_BASE) > +#define OMAP44XX_LOCAL_TWD_BASE 0x48240600 > +#define OMAP44XX_VA_LOCAL_TWD_BASE IO_ADDRESS(OMAP44XX_LOCAL_TWD_BASE) > +#define OMAP44XX_LOCAL_TWD_SIZE 0x00000100 > +#define OMAP44XX_WKUPGEN_BASE 0x48281000 > +#define OMAP44XX_VA_WKUPGEN_BASE IO_ADDRESS(OMAP44XX_WKUPGEN_BASE) > + > +#endif /* __ASM_ARCH_OMAP44XX_H */ > + > diff --git a/arch/arm/plat-omap/include/mach/serial.h b/arch/arm/plat-omap/include/mach/serial.h > index 8a676a0..e37894e 100644 > --- a/arch/arm/plat-omap/include/mach/serial.h > +++ b/arch/arm/plat-omap/include/mach/serial.h > @@ -1,5 +1,8 @@ > /* > - * arch/arm/plat-omap/include/mach/serial.h > + * arch/arm/plat-omap/include/mach/serial.h > + * > + * Copyright (C) 2009 Texas Instruments > + * Addded OMAP4 support- Santosh Shilimkar <santosh.shilimkar@xxxxxx> > * > * This program is distributed in the hope that it will be useful, > * but WITHOUT ANY WARRANTY; without even the implied warranty of > @@ -15,19 +18,28 @@ > #define OMAP_UART1_BASE 0xfffb0000 > #define OMAP_UART2_BASE 0xfffb0800 > #define OMAP_UART3_BASE 0xfffb9800 > +#define OMAP_MAX_NR_PORTS 3 > #elif defined(CONFIG_ARCH_OMAP2) > /* OMAP2 serial ports */ > #define OMAP_UART1_BASE 0x4806a000 > #define OMAP_UART2_BASE 0x4806c000 > #define OMAP_UART3_BASE 0x4806e000 > +#define OMAP_MAX_NR_PORTS 3 > #elif defined(CONFIG_ARCH_OMAP3) > /* OMAP3 serial ports */ > #define OMAP_UART1_BASE 0x4806a000 > #define OMAP_UART2_BASE 0x4806c000 > #define OMAP_UART3_BASE 0x49020000 > +#define OMAP_MAX_NR_PORTS 3 > +#elif defined(CONFIG_ARCH_OMAP4) > +/* OMAP4 serial ports */ > +#define OMAP_UART1_BASE 0x4806a000 > +#define OMAP_UART2_BASE 0x4806c000 > +#define OMAP_UART3_BASE 0x48020000 > +#define OMAP_UART4_BASE 0x4806e000 > +#define OMAP_MAX_NR_PORTS 4 > #endif > > -#define OMAP_MAX_NR_PORTS 3 > #define OMAP1510_BASE_BAUD (12000000/16) > #define OMAP16XX_BASE_BAUD (48000000/16) > #define OMAP24XX_BASE_BAUD (48000000/16) > diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c > index af326ef..9b42d72 100644 > --- a/arch/arm/plat-omap/io.c > +++ b/arch/arm/plat-omap/io.c > @@ -1,3 +1,14 @@ > +/* > + * Common io.c file > + * This file is created by Russell King <rmk+kernel@xxxxxxxxxxxxxxxx> > + * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + */ > #include <linux/module.h> > #include <linux/io.h> > #include <linux/mm.h> > @@ -7,6 +18,7 @@ > #include <mach/omap16xx.h> > #include <mach/omap24xx.h> > #include <mach/omap34xx.h> > +#include <mach/omap44xx.h> > > #define BETWEEN(p,st,sz) ((p) >= (st) && (p) < ((st) + (sz))) > #define XLATE(p,pst,vst) ((void __iomem *)((p) - (pst) + (vst))) > @@ -92,7 +104,22 @@ void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type) > return XLATE(p, L4_EMU_34XX_PHYS, L4_EMU_34XX_VIRT); > } > #endif > - > +#ifdef CONFIG_ARCH_OMAP4 > + if (cpu_is_omap44xx()) { > + if (BETWEEN(p, L3_44XX_PHYS, L3_44XX_SIZE)) > + return XLATE(p, L3_44XX_PHYS, L3_44XX_VIRT); > + if (BETWEEN(p, L4_44XX_PHYS, L4_44XX_SIZE)) > + return XLATE(p, L4_44XX_PHYS, L4_44XX_VIRT); > + if (BETWEEN(p, L4_WK_44XX_PHYS, L4_WK_44XX_SIZE)) > + return XLATE(p, L4_WK_44XX_PHYS, L4_WK_44XX_VIRT); > + if (BETWEEN(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_SIZE)) > + return XLATE(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_VIRT); > + if (BETWEEN(p, L4_PER_44XX_PHYS, L4_PER_44XX_SIZE)) > + return XLATE(p, L4_PER_44XX_PHYS, L4_PER_44XX_VIRT); > + if (BETWEEN(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_SIZE)) > + return XLATE(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_VIRT); > + } > +#endif > return __arm_ioremap(p, size, type); > } > EXPORT_SYMBOL(omap_ioremap); > diff --git a/arch/arm/plat-omap/mux.c b/arch/arm/plat-omap/mux.c > index 80b040f..8d329fb 100644 > --- a/arch/arm/plat-omap/mux.c > +++ b/arch/arm/plat-omap/mux.c > @@ -54,6 +54,9 @@ int __init_or_module omap_cfg_reg(const unsigned long index) > { > struct pin_config *reg; > > + if (cpu_is_omap44xx()) > + return 0; > + > if (mux_cfg == NULL) { > printk(KERN_ERR "Pin mux table not initialized\n"); > return -ENODEV; > diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c > index e1493d8..902f16c 100644 > --- a/arch/arm/plat-omap/sram.c > +++ b/arch/arm/plat-omap/sram.c > @@ -6,6 +6,9 @@ > * Copyright (C) 2005 Nokia Corporation > * Written by Tony Lindgren <tony@xxxxxxxxxxx> > * > + * Copyright (C) 2009 Texas Instruments > + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@xxxxxx> > + * > * This program is free software; you can redistribute it and/or modify > * it under the terms of the GNU General Public License version 2 as > * published by the Free Software Foundation. > @@ -44,6 +47,8 @@ > #define OMAP3_SRAM_VA 0xd7000000 > #define OMAP3_SRAM_PUB_PA 0x40208000 > #define OMAP3_SRAM_PUB_VA 0xd7008000 > +#define OMAP4_SRAM_PA 0x40200000 /*0x402f0000*/ > +#define OMAP4_SRAM_VA 0xd7000000 /*0xd70f0000*/ > > #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) > #define SRAM_BOOTLOADER_SZ 0x00 > @@ -87,6 +92,10 @@ static int is_sram_locked(void) > { > int type = 0; > > + if (cpu_is_omap44xx()) > + /* Not yet supported */ > + return 0; > + > if (cpu_is_omap242x()) > type = omap_rev() & OMAP2_DEVICETYPE_MASK; > > @@ -135,6 +144,10 @@ void __init omap_detect_sram(void) > omap_sram_base = OMAP3_SRAM_VA; > omap_sram_start = OMAP3_SRAM_PA; > omap_sram_size = 0x10000; /* 64K */ > + } else if (cpu_is_omap44xx()) { > + omap_sram_base = OMAP4_SRAM_VA; > + omap_sram_start = OMAP4_SRAM_PA; > + omap_sram_size = 0x8000; /* 32K */ > } else { > omap_sram_base = OMAP2_SRAM_VA; > omap_sram_start = OMAP2_SRAM_PA; > @@ -203,6 +216,12 @@ void __init omap_map_sram(void) > omap_sram_io_desc[0].pfn = __phys_to_pfn(base); > } > > + if (cpu_is_omap44xx()) { > + omap_sram_io_desc[0].virtual = OMAP4_SRAM_VA; > + base = OMAP4_SRAM_PA; > + base = ROUND_DOWN(base, PAGE_SIZE); > + omap_sram_io_desc[0].pfn = __phys_to_pfn(base); > + } > omap_sram_io_desc[0].length = 1024 * 1024; /* Use section desc */ > iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc)); > > @@ -391,6 +410,8 @@ int __init omap_sram_init(void) > omap243x_sram_init(); > else if (cpu_is_omap34xx()) > omap34xx_sram_init(); > + else if (cpu_is_omap44xx()) > + omap34xx_sram_init(); /* FIXME: */ > > return 0; > } > -- > 1.5.4.7 > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html