diff options
Diffstat (limited to 'arch/arm/mach-davinci/da850.c')
| -rw-r--r-- | arch/arm/mach-davinci/da850.c | 400 |
1 files changed, 1 insertions, 399 deletions
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index 635e88daf5dd..287dd987908e 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -10,19 +10,10 @@ * 2009 (c) MontaVista Software, Inc. */ -#include <linux/clk-provider.h> -#include <linux/clk/davinci.h> -#include <linux/clkdev.h> -#include <linux/cpufreq.h> #include <linux/gpio.h> #include <linux/init.h> #include <linux/io.h> -#include <linux/irqchip/irq-davinci-cp-intc.h> #include <linux/mfd/da8xx-cfgchip.h> -#include <linux/platform_data/clk-da8xx-cfgchip.h> -#include <linux/platform_data/clk-davinci-pll.h> -#include <linux/platform_data/davinci-cpufreq.h> -#include <linux/platform_data/gpio-davinci.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> @@ -33,6 +24,7 @@ #include "common.h" #include "cputype.h" #include "da8xx.h" +#include "hardware.h" #include "pm.h" #include "irqs.h" #include "mux.h" @@ -258,45 +250,6 @@ static const struct mux_config da850_pins[] = { #endif }; -const short da850_i2c0_pins[] __initconst = { - DA850_I2C0_SDA, DA850_I2C0_SCL, - -1 -}; - -const short da850_i2c1_pins[] __initconst = { - DA850_I2C1_SCL, DA850_I2C1_SDA, - -1 -}; - -const short da850_lcdcntl_pins[] __initconst = { - DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3, - DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7, - DA850_LCD_D_8, DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11, - DA850_LCD_D_12, DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15, - DA850_LCD_PCLK, DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS, - -1 -}; - -const short da850_vpif_capture_pins[] __initconst = { - DA850_VPIF_DIN0, DA850_VPIF_DIN1, DA850_VPIF_DIN2, DA850_VPIF_DIN3, - DA850_VPIF_DIN4, DA850_VPIF_DIN5, DA850_VPIF_DIN6, DA850_VPIF_DIN7, - DA850_VPIF_DIN8, DA850_VPIF_DIN9, DA850_VPIF_DIN10, DA850_VPIF_DIN11, - DA850_VPIF_DIN12, DA850_VPIF_DIN13, DA850_VPIF_DIN14, DA850_VPIF_DIN15, - DA850_VPIF_CLKIN0, DA850_VPIF_CLKIN1, DA850_VPIF_CLKIN2, - DA850_VPIF_CLKIN3, - -1 -}; - -const short da850_vpif_display_pins[] __initconst = { - DA850_VPIF_DOUT0, DA850_VPIF_DOUT1, DA850_VPIF_DOUT2, DA850_VPIF_DOUT3, - DA850_VPIF_DOUT4, DA850_VPIF_DOUT5, DA850_VPIF_DOUT6, DA850_VPIF_DOUT7, - DA850_VPIF_DOUT8, DA850_VPIF_DOUT9, DA850_VPIF_DOUT10, - DA850_VPIF_DOUT11, DA850_VPIF_DOUT12, DA850_VPIF_DOUT13, - DA850_VPIF_DOUT14, DA850_VPIF_DOUT15, DA850_VPIF_CLKO2, - DA850_VPIF_CLKO3, - -1 -}; - static struct map_desc da850_io_desc[] = { { .virtual = IO_VIRT, @@ -330,204 +283,9 @@ static struct davinci_id da850_ids[] = { }, }; -/* - * Bottom half of timer 0 is used for clock_event, top half for - * clocksource. - */ -static const struct davinci_timer_cfg da850_timer_cfg = { - .reg = DEFINE_RES_IO(DA8XX_TIMER64P0_BASE, SZ_4K), - .irq = { - DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_0)), - DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_0)), - }, -}; - -#ifdef CONFIG_CPU_FREQ -/* - * Notes: - * According to the TRM, minimum PLLM results in maximum power savings. - * The OPP definitions below should keep the PLLM as low as possible. - * - * The output of the PLLM must be between 300 to 600 MHz. - */ -struct da850_opp { - unsigned int freq; /* in KHz */ - unsigned int prediv; - unsigned int mult; - unsigned int postdiv; - unsigned int cvdd_min; /* in uV */ - unsigned int cvdd_max; /* in uV */ -}; - -static const struct da850_opp da850_opp_456 = { - .freq = 456000, - .prediv = 1, - .mult = 19, - .postdiv = 1, - .cvdd_min = 1300000, - .cvdd_max = 1350000, -}; - -static const struct da850_opp da850_opp_408 = { - .freq = 408000, - .prediv = 1, - .mult = 17, - .postdiv = 1, - .cvdd_min = 1300000, - .cvdd_max = 1350000, -}; - -static const struct da850_opp da850_opp_372 = { - .freq = 372000, - .prediv = 2, - .mult = 31, - .postdiv = 1, - .cvdd_min = 1200000, - .cvdd_max = 1320000, -}; - -static const struct da850_opp da850_opp_300 = { - .freq = 300000, - .prediv = 1, - .mult = 25, - .postdiv = 2, - .cvdd_min = 1200000, - .cvdd_max = 1320000, -}; - -static const struct da850_opp da850_opp_200 = { - .freq = 200000, - .prediv = 1, - .mult = 25, - .postdiv = 3, - .cvdd_min = 1100000, - .cvdd_max = 1160000, -}; - -static const struct da850_opp da850_opp_96 = { - .freq = 96000, - .prediv = 1, - .mult = 20, - .postdiv = 5, - .cvdd_min = 1000000, - .cvdd_max = 1050000, -}; - -#define OPP(freq) \ - { \ - .driver_data = (unsigned int) &da850_opp_##freq, \ - .frequency = freq * 1000, \ - } - -static struct cpufreq_frequency_table da850_freq_table[] = { - OPP(456), - OPP(408), - OPP(372), - OPP(300), - OPP(200), - OPP(96), - { - .driver_data = 0, - .frequency = CPUFREQ_TABLE_END, - }, -}; - -#ifdef CONFIG_REGULATOR -static int da850_set_voltage(unsigned int index); -static int da850_regulator_init(void); -#endif - -static struct davinci_cpufreq_config cpufreq_info = { - .freq_table = da850_freq_table, -#ifdef CONFIG_REGULATOR - .init = da850_regulator_init, - .set_voltage = da850_set_voltage, -#endif -}; - -#ifdef CONFIG_REGULATOR -static struct regulator *cvdd; - -static int da850_set_voltage(unsigned int index) -{ - struct da850_opp *opp; - - if (!cvdd) - return -ENODEV; - - opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data; - - return regulator_set_voltage(cvdd, opp->cvdd_min, opp->cvdd_max); -} - -static int da850_regulator_init(void) -{ - cvdd = regulator_get(NULL, "cvdd"); - if (WARN(IS_ERR(cvdd), "Unable to obtain voltage regulator for CVDD;" - " voltage scaling unsupported\n")) { - return PTR_ERR(cvdd); - } - - return 0; -} -#endif - -static struct platform_device da850_cpufreq_device = { - .name = "cpufreq-davinci", - .dev = { - .platform_data = &cpufreq_info, - }, - .id = -1, -}; - -unsigned int da850_max_speed = 300000; - -int da850_register_cpufreq(char *async_clk) -{ - int i; - - /* cpufreq driver can help keep an "async" clock constant */ - if (async_clk) - clk_add_alias("async", da850_cpufreq_device.name, - async_clk, NULL); - for (i = 0; i < ARRAY_SIZE(da850_freq_table); i++) { - if (da850_freq_table[i].frequency <= da850_max_speed) { - cpufreq_info.freq_table = &da850_freq_table[i]; - break; - } - } - - return platform_device_register(&da850_cpufreq_device); -} -#else -int __init da850_register_cpufreq(char *async_clk) -{ - return 0; -} -#endif - /* VPIF resource, platform data */ static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32); -static struct resource da850_vpif_resource[] = { - { - .start = DA8XX_VPIF_BASE, - .end = DA8XX_VPIF_BASE + 0xfff, - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device da850_vpif_dev = { - .name = "vpif", - .id = -1, - .dev = { - .dma_mask = &da850_vpif_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .resource = da850_vpif_resource, - .num_resources = ARRAY_SIZE(da850_vpif_resource), -}; - static struct resource da850_vpif_display_resource[] = { { .start = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT), @@ -571,11 +329,6 @@ static struct platform_device da850_vpif_capture_dev = { .num_resources = ARRAY_SIZE(da850_vpif_capture_resource), }; -int __init da850_register_vpif(void) -{ - return platform_device_register(&da850_vpif_dev); -} - int __init da850_register_vpif_display(struct vpif_display_config *display_config) { @@ -590,17 +343,6 @@ int __init da850_register_vpif_capture(struct vpif_capture_config return platform_device_register(&da850_vpif_capture_dev); } -static struct davinci_gpio_platform_data da850_gpio_platform_data = { - .no_auto_base = true, - .base = 0, - .ngpio = 144, -}; - -int __init da850_register_gpio(void) -{ - return da8xx_register_gpio(&da850_gpio_platform_data); -} - static const struct davinci_soc_info davinci_soc_info_da850 = { .io_desc = da850_io_desc, .io_desc_num = ARRAY_SIZE(da850_io_desc), @@ -610,7 +352,6 @@ static const struct davinci_soc_info davinci_soc_info_da850 = { .pinmux_base = DA8XX_SYSCFG0_BASE + 0x120, .pinmux_pins = da850_pins, .pinmux_pins_num = ARRAY_SIZE(da850_pins), - .emac_pdata = &da8xx_emac_pdata, .sram_dma = DA8XX_SHARED_RAM_BASE, .sram_len = SZ_128K, }; @@ -626,142 +367,3 @@ void __init da850_init(void) da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K); WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module"); } - -static const struct davinci_cp_intc_config da850_cp_intc_config = { - .reg = { - .start = DA8XX_CP_INTC_BASE, - .end = DA8XX_CP_INTC_BASE + SZ_8K - 1, - .flags = IORESOURCE_MEM, - }, - .num_irqs = DA850_N_CP_INTC_IRQ, -}; - -void __init da850_init_irq(void) -{ - davinci_cp_intc_init(&da850_cp_intc_config); -} - -void __init da850_init_time(void) -{ - void __iomem *pll0; - struct regmap *cfgchip; - struct clk *clk; - int rv; - - clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DA850_REF_FREQ); - - pll0 = ioremap(DA8XX_PLL0_BASE, SZ_4K); - cfgchip = da8xx_get_cfgchip(); - - da850_pll0_init(NULL, pll0, cfgchip); - - clk = clk_get(NULL, "timer0"); - if (WARN_ON(IS_ERR(clk))) { - pr_err("Unable to get the timer clock\n"); - return; - } - - rv = davinci_timer_register(clk, &da850_timer_cfg); - WARN(rv, "Unable to register the timer: %d\n", rv); -} - -static struct resource da850_pll1_resources[] = { - { - .start = DA850_PLL1_BASE, - .end = DA850_PLL1_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct davinci_pll_platform_data da850_pll1_pdata; - -static struct platform_device da850_pll1_device = { - .name = "da850-pll1", - .id = -1, - .resource = da850_pll1_resources, - .num_resources = ARRAY_SIZE(da850_pll1_resources), - .dev = { - .platform_data = &da850_pll1_pdata, - }, -}; - -static struct resource da850_psc0_resources[] = { - { - .start = DA8XX_PSC0_BASE, - .end = DA8XX_PSC0_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device da850_psc0_device = { - .name = "da850-psc0", - .id = -1, - .resource = da850_psc0_resources, - .num_resources = ARRAY_SIZE(da850_psc0_resources), -}; - -static struct resource da850_psc1_resources[] = { - { - .start = DA8XX_PSC1_BASE, - .end = DA8XX_PSC1_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device da850_psc1_device = { - .name = "da850-psc1", - .id = -1, - .resource = da850_psc1_resources, - .num_resources = ARRAY_SIZE(da850_psc1_resources), -}; - -static struct da8xx_cfgchip_clk_platform_data da850_async1_pdata; - -static struct platform_device da850_async1_clksrc_device = { - .name = "da850-async1-clksrc", - .id = -1, - .dev = { - .platform_data = &da850_async1_pdata, - }, -}; - -static struct da8xx_cfgchip_clk_platform_data da850_async3_pdata; - -static struct platform_device da850_async3_clksrc_device = { - .name = "da850-async3-clksrc", - .id = -1, - .dev = { - .platform_data = &da850_async3_pdata, - }, -}; - -static struct da8xx_cfgchip_clk_platform_data da850_tbclksync_pdata; - -static struct platform_device da850_tbclksync_device = { - .name = "da830-tbclksync", - .id = -1, - .dev = { - .platform_data = &da850_tbclksync_pdata, - }, -}; - -void __init da850_register_clocks(void) -{ - /* PLL0 is registered in da850_init_time() */ - - da850_pll1_pdata.cfgchip = da8xx_get_cfgchip(); - platform_device_register(&da850_pll1_device); - - da850_async1_pdata.cfgchip = da8xx_get_cfgchip(); - platform_device_register(&da850_async1_clksrc_device); - - da850_async3_pdata.cfgchip = da8xx_get_cfgchip(); - platform_device_register(&da850_async3_clksrc_device); - - platform_device_register(&da850_psc0_device); - - platform_device_register(&da850_psc1_device); - - da850_tbclksync_pdata.cfgchip = da8xx_get_cfgchip(); - platform_device_register(&da850_tbclksync_device); -} |