diff options
Diffstat (limited to 'arch/arm/mach-omap2')
25 files changed, 277 insertions, 251 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index e15ac005ef17..adcef406ff0a 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -19,11 +19,11 @@ secure-common = omap-smc.o omap-secure.o obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(hwmod-common) obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(hwmod-common) $(secure-common) -obj-$(CONFIG_ARCH_OMAP4) += prm44xx.o $(hwmod-common) $(secure-common) +obj-$(CONFIG_ARCH_OMAP4) += $(hwmod-common) $(secure-common) obj-$(CONFIG_SOC_AM33XX) += irq.o $(hwmod-common) -obj-$(CONFIG_SOC_OMAP5) += prm44xx.o $(hwmod-common) $(secure-common) +obj-$(CONFIG_SOC_OMAP5) += $(hwmod-common) $(secure-common) obj-$(CONFIG_SOC_AM43XX) += $(hwmod-common) $(secure-common) -obj-$(CONFIG_SOC_DRA7XX) += prm44xx.o $(hwmod-common) $(secure-common) +obj-$(CONFIG_SOC_DRA7XX) += $(hwmod-common) $(secure-common) ifneq ($(CONFIG_SND_OMAP_SOC_MCBSP),) obj-y += mcbsp.o @@ -40,7 +40,7 @@ omap-4-5-common = omap4-common.o omap-wakeupgen.o obj-$(CONFIG_ARCH_OMAP4) += $(omap-4-5-common) $(smp-y) sleep44xx.o obj-$(CONFIG_SOC_OMAP5) += $(omap-4-5-common) $(smp-y) sleep44xx.o obj-$(CONFIG_SOC_AM43XX) += $(omap-4-5-common) -obj-$(CONFIG_SOC_DRA7XX) += $(omap-4-5-common) $(smp-y) +obj-$(CONFIG_SOC_DRA7XX) += $(omap-4-5-common) $(smp-y) sleep44xx.o plus_sec := $(call as-instr,.arch_extension sec,+sec) AFLAGS_omap-headsmp.o :=-Wa,-march=armv7-a$(plus_sec) diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index 33d159e2386e..8dd0ec858cf1 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -25,7 +25,7 @@ #include <linux/gpio.h> #include <linux/platform_data/gpio-omap.h> -#include <linux/i2c/at24.h> +#include <linux/platform_data/at24.h> #include <linux/i2c/twl.h> #include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 19f1652e94cf..8d972ff18c56 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -131,6 +131,24 @@ DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)") .dt_compat = omap3_gp_boards_compat, .restart = omap3xxx_restart, MACHINE_END + +static const char *am3517_boards_compat[] __initdata = { + "ti,am3517", + NULL, +}; + +DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)") + .reserve = omap_reserve, + .map_io = omap3_map_io, + .init_early = am35xx_init_early, + .init_irq = omap_intc_of_init, + .handle_irq = omap3_intc_handle_irq, + .init_machine = omap_generic_init, + .init_late = omap3_init_late, + .init_time = omap3_gptimer_timer_init, + .dt_compat = am3517_boards_compat, + .restart = omap3xxx_restart, +MACHINE_END #endif #ifdef CONFIG_SOC_AM33XX diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index 87e41a8b8d46..f7808349a734 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -20,7 +20,7 @@ #include <linux/delay.h> #include <linux/workqueue.h> #include <linux/i2c.h> -#include <linux/i2c/at24.h> +#include <linux/platform_data/at24.h> #include <linux/input.h> #include <linux/err.h> #include <linux/clk.h> diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index a516c1bda141..d6ed819ff15c 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -510,7 +510,7 @@ static int __init beagle_opp_init(void) mpu_dev = get_cpu_device(0); iva_dev = omap_device_get_by_hwmod_name("iva"); - if (IS_ERR(mpu_dev) || IS_ERR(iva_dev)) { + if (!mpu_dev || IS_ERR(iva_dev)) { pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n", __func__, mpu_dev, iva_dev); return -ENODEV; diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c index ba8342fef799..119efaf5808a 100644 --- a/arch/arm/mach-omap2/board-omap3stalker.c +++ b/arch/arm/mach-omap2/board-omap3stalker.c @@ -32,7 +32,7 @@ #include <linux/spi/spi.h> #include <linux/interrupt.h> #include <linux/smsc911x.h> -#include <linux/i2c/at24.h> +#include <linux/platform_data/at24.h> #include <linux/usb/phy.h> #include <asm/mach-types.h> diff --git a/arch/arm/mach-omap2/cclock3xxx_data.c b/arch/arm/mach-omap2/cclock3xxx_data.c index 03a2829beb8e..3b05aea56d1f 100644 --- a/arch/arm/mach-omap2/cclock3xxx_data.c +++ b/arch/arm/mach-omap2/cclock3xxx_data.c @@ -381,6 +381,42 @@ static struct clk_hw_omap dpll4_ck_hw = { DEFINE_STRUCT_CLK(dpll4_ck, dpll3_ck_parent_names, dpll4_ck_ops); +static const struct clk_div_table dpll4_mx_ck_div_table[] = { + { .div = 1, .val = 1 }, + { .div = 2, .val = 2 }, + { .div = 3, .val = 3 }, + { .div = 4, .val = 4 }, + { .div = 5, .val = 5 }, + { .div = 6, .val = 6 }, + { .div = 7, .val = 7 }, + { .div = 8, .val = 8 }, + { .div = 9, .val = 9 }, + { .div = 10, .val = 10 }, + { .div = 11, .val = 11 }, + { .div = 12, .val = 12 }, + { .div = 13, .val = 13 }, + { .div = 14, .val = 14 }, + { .div = 15, .val = 15 }, + { .div = 16, .val = 16 }, + { .div = 17, .val = 17 }, + { .div = 18, .val = 18 }, + { .div = 19, .val = 19 }, + { .div = 20, .val = 20 }, + { .div = 21, .val = 21 }, + { .div = 22, .val = 22 }, + { .div = 23, .val = 23 }, + { .div = 24, .val = 24 }, + { .div = 25, .val = 25 }, + { .div = 26, .val = 26 }, + { .div = 27, .val = 27 }, + { .div = 28, .val = 28 }, + { .div = 29, .val = 29 }, + { .div = 30, .val = 30 }, + { .div = 31, .val = 31 }, + { .div = 32, .val = 32 }, + { .div = 0 }, +}; + DEFINE_CLK_DIVIDER(dpll4_m5_ck, "dpll4_ck", &dpll4_ck, 0x0, OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL), OMAP3430_CLKSEL_CAM_SHIFT, OMAP3630_CLKSEL_CAM_WIDTH, @@ -524,10 +560,10 @@ static const struct clksel_rate clkout2_src_54m_rates[] = { { .div = 0 } }; -DEFINE_CLK_DIVIDER(dpll4_m3_ck, "dpll4_ck", &dpll4_ck, 0x0, +DEFINE_CLK_DIVIDER_TABLE(dpll4_m3_ck, "dpll4_ck", &dpll4_ck, 0x0, OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL), OMAP3430_CLKSEL_TV_SHIFT, OMAP3630_CLKSEL_TV_WIDTH, - CLK_DIVIDER_ONE_BASED, NULL); + 0, dpll4_mx_ck_div_table, NULL); static struct clk dpll4_m3x2_ck; @@ -847,10 +883,10 @@ static struct clk dpll3_m3x2_ck_3630 = { DEFINE_CLK_FIXED_FACTOR(dpll3_x2_ck, "dpll3_ck", &dpll3_ck, 0x0, 2, 1); -DEFINE_CLK_DIVIDER(dpll4_m4_ck, "dpll4_ck", &dpll4_ck, 0x0, +DEFINE_CLK_DIVIDER_TABLE(dpll4_m4_ck, "dpll4_ck", &dpll4_ck, 0x0, OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL), OMAP3430_CLKSEL_DSS1_SHIFT, OMAP3630_CLKSEL_DSS1_WIDTH, - CLK_DIVIDER_ONE_BASED, NULL); + 0, dpll4_mx_ck_div_table, NULL); static struct clk dpll4_m4x2_ck; @@ -869,7 +905,8 @@ static struct clk_hw_omap dpll4_m4x2_ck_hw = { .clkdm_name = "dpll4_clkdm", }; -DEFINE_STRUCT_CLK(dpll4_m4x2_ck, dpll4_m4x2_ck_parent_names, dpll4_m5x2_ck_ops); +DEFINE_STRUCT_CLK_FLAGS(dpll4_m4x2_ck, dpll4_m4x2_ck_parent_names, + dpll4_m5x2_ck_ops, CLK_SET_RATE_PARENT); static struct clk dpll4_m4x2_ck_3630 = { .name = "dpll4_m4x2_ck", @@ -877,6 +914,7 @@ static struct clk dpll4_m4x2_ck_3630 = { .parent_names = dpll4_m4x2_ck_parent_names, .num_parents = ARRAY_SIZE(dpll4_m4x2_ck_parent_names), .ops = &dpll4_m5x2_ck_3630_ops, + .flags = CLK_SET_RATE_PARENT, }; DEFINE_CLK_DIVIDER(dpll4_m6_ck, "dpll4_ck", &dpll4_ck, 0x0, @@ -968,8 +1006,9 @@ static struct clk_hw_omap dss1_alwon_fck_3430es1_hw = { .clkdm_name = "dss_clkdm", }; -DEFINE_STRUCT_CLK(dss1_alwon_fck_3430es1, dss1_alwon_fck_3430es1_parent_names, - aes2_ick_ops); +DEFINE_STRUCT_CLK_FLAGS(dss1_alwon_fck_3430es1, + dss1_alwon_fck_3430es1_parent_names, aes2_ick_ops, + CLK_SET_RATE_PARENT); static struct clk dss1_alwon_fck_3430es2; @@ -983,8 +1022,9 @@ static struct clk_hw_omap dss1_alwon_fck_3430es2_hw = { .clkdm_name = "dss_clkdm", }; -DEFINE_STRUCT_CLK(dss1_alwon_fck_3430es2, dss1_alwon_fck_3430es1_parent_names, - aes2_ick_ops); +DEFINE_STRUCT_CLK_FLAGS(dss1_alwon_fck_3430es2, + dss1_alwon_fck_3430es1_parent_names, aes2_ick_ops, + CLK_SET_RATE_PARENT); static struct clk dss2_alwon_fck; diff --git a/arch/arm/mach-omap2/cclock44xx_data.c b/arch/arm/mach-omap2/cclock44xx_data.c index b237950eb8a3..ec0dc0b1755e 100644 --- a/arch/arm/mach-omap2/cclock44xx_data.c +++ b/arch/arm/mach-omap2/cclock44xx_data.c @@ -830,7 +830,8 @@ DEFINE_CLK_GATE(dss_tv_clk, "extalt_clkin_ck", &extalt_clkin_ck, 0x0, OMAP4430_CM_DSS_DSS_CLKCTRL, OMAP4430_OPTFCLKEN_TV_CLK_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(dss_dss_clk, "dpll_per_m5x2_ck", &dpll_per_m5x2_ck, 0x0, +DEFINE_CLK_GATE(dss_dss_clk, "dpll_per_m5x2_ck", &dpll_per_m5x2_ck, + CLK_SET_RATE_PARENT, OMAP4430_CM_DSS_DSS_CLKCTRL, OMAP4430_OPTFCLKEN_DSSCLK_SHIFT, 0x0, NULL); diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index f7644febee81..e30ef6797c63 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -299,7 +299,6 @@ struct omap_sdrc_params; extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, struct omap_sdrc_params *sdrc_cs1); struct omap2_hsmmc_info; -extern int omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers); extern void omap_reserve(void); struct omap_hwmod; diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index a4e536b11ec9..58347bb874a0 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -32,7 +32,6 @@ #include "soc.h" #include "iomap.h" -#include "mux.h" #include "control.h" #include "display.h" #include "prm.h" @@ -102,90 +101,13 @@ static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initconst = { { "dss_hdmi", "omapdss_hdmi", -1 }, }; -static void __init omap4_tpd12s015_mux_pads(void) -{ - omap_mux_init_signal("hdmi_cec", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("hdmi_ddc_scl", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("hdmi_ddc_sda", - OMAP_PIN_INPUT_PULLUP); -} - -static void __init omap4_hdmi_mux_pads(enum omap_hdmi_flags flags) -{ - u32 reg; - u16 control_i2c_1; - - /* - * CONTROL_I2C_1: HDMI_DDC_SDA_PULLUPRESX (bit 28) and - * HDMI_DDC_SCL_PULLUPRESX (bit 24) are set to disable - * internal pull up resistor. - */ - if (flags & OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP) { - control_i2c_1 = OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_I2C_1; - reg = omap4_ctrl_pad_readl(control_i2c_1); - reg |= (OMAP4_HDMI_DDC_SDA_PULLUPRESX_MASK | - OMAP4_HDMI_DDC_SCL_PULLUPRESX_MASK); - omap4_ctrl_pad_writel(reg, control_i2c_1); - } -} - -static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes) -{ - u32 enable_mask, enable_shift; - u32 pipd_mask, pipd_shift; - u32 reg; - - if (dsi_id == 0) { - enable_mask = OMAP4_DSI1_LANEENABLE_MASK; - enable_shift = OMAP4_DSI1_LANEENABLE_SHIFT; - pipd_mask = OMAP4_DSI1_PIPD_MASK; - pipd_shift = OMAP4_DSI1_PIPD_SHIFT; - } else if (dsi_id == 1) { - enable_mask = OMAP4_DSI2_LANEENABLE_MASK; - enable_shift = OMAP4_DSI2_LANEENABLE_SHIFT; - pipd_mask = OMAP4_DSI2_PIPD_MASK; - pipd_shift = OMAP4_DSI2_PIPD_SHIFT; - } else { - return -ENODEV; - } - - reg = omap4_ctrl_pad_readl(OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY); - - reg &= ~enable_mask; - reg &= ~pipd_mask; - - reg |= (lanes << enable_shift) & enable_mask; - reg |= (lanes << pipd_shift) & pipd_mask; - - omap4_ctrl_pad_writel(reg, OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY); - - return 0; -} - -int __init omap_hdmi_init(enum omap_hdmi_flags flags) -{ - if (cpu_is_omap44xx()) { - omap4_hdmi_mux_pads(flags); - omap4_tpd12s015_mux_pads(); - } - - return 0; -} - static int omap_dsi_enable_pads(int dsi_id, unsigned lane_mask) { - if (cpu_is_omap44xx()) - return omap4_dsi_mux_pads(dsi_id, lane_mask); - return 0; } static void omap_dsi_disable_pads(int dsi_id, unsigned lane_mask) { - if (cpu_is_omap44xx()) - omap4_dsi_mux_pads(dsi_id, 0); } static int omap_dss_set_min_bus_tput(struct device *dev, unsigned long tput) diff --git a/arch/arm/mach-omap2/dss-common.c b/arch/arm/mach-omap2/dss-common.c index 365bfd3d9c68..dadccc91488c 100644 --- a/arch/arm/mach-omap2/dss-common.c +++ b/arch/arm/mach-omap2/dss-common.c @@ -223,7 +223,7 @@ void __init omap_4430sdp_display_init_of(void) static struct connector_dvi_platform_data omap3_igep2_dvi_connector_pdata = { .name = "dvi", .source = "tfp410.0", - .i2c_bus_num = 3, + .i2c_bus_num = 2, }; static struct platform_device omap3_igep2_dvi_connector_device = { diff --git a/arch/arm/mach-omap2/gpmc-smsc911x.c b/arch/arm/mach-omap2/gpmc-smsc911x.c index ef990118d32b..2757504a13c4 100644 --- a/arch/arm/mach-omap2/gpmc-smsc911x.c +++ b/arch/arm/mach-omap2/gpmc-smsc911x.c @@ -83,7 +83,7 @@ void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *gpmc_cfg) pdev = platform_device_register_resndata(NULL, "smsc911x", gpmc_cfg->id, gpmc_smsc911x_resources, ARRAY_SIZE(gpmc_smsc911x_resources), &gpmc_smsc911x_config, sizeof(gpmc_smsc911x_config)); - if (!pdev) { + if (IS_ERR(pdev)) { pr_err("Unable to register platform device\n"); gpio_free(gpmc_cfg->gpio_reset); goto free2; diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 81de56251955..d24926e6340f 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1502,6 +1502,22 @@ static int gpmc_probe_generic_child(struct platform_device *pdev, } /* + * For some GPMC devices we still need to rely on the bootloader + * timings because the devices can be connected via FPGA. So far + * the list is smc91x on the omap2 SDP boards, and 8250 on zooms. + * REVISIT: Add timing support from slls644g.pdf and from the + * lan91c96 manual. + */ + if (of_device_is_compatible(child, "ns16550a") || + of_device_is_compatible(child, "smsc,lan91c94") || + of_device_is_compatible(child, "smsc,lan91c111")) { + dev_warn(&pdev->dev, + "%s using bootloader timings on CS%d\n", + child->name, cs); + goto no_timings; + } + + /* * FIXME: gpmc_cs_request() will map the CS to an arbitary * location in the gpmc address space. When booting with * device-tree we want the NOR flash to be mapped to the @@ -1529,6 +1545,7 @@ static int gpmc_probe_generic_child(struct platform_device *pdev, gpmc_read_timings_dt(child, &gpmc_t); gpmc_cs_set_timings(cs, &gpmc_t); +no_timings: if (of_platform_device_create(child, NULL, &pdev->dev)) return 0; @@ -1541,42 +1558,6 @@ err: return ret; } -/* - * REVISIT: Add timing support from slls644g.pdf - */ -static int gpmc_probe_8250(struct platform_device *pdev, - struct device_node *child) -{ - struct resource res; - unsigned long base; - int ret, cs; - - if (of_property_read_u32(child, "reg", &cs) < 0) { - dev_err(&pdev->dev, "%s has no 'reg' property\n", - child->full_name); - return -ENODEV; - } - - if (of_address_to_resource(child, 0, &res) < 0) { - dev_err(&pdev->dev, "%s has malformed 'reg' property\n", - child->full_name); - return -ENODEV; - } - - ret = gpmc_cs_request(cs, resource_size(&res), &base); - if (ret < 0) { - dev_err(&pdev->dev, "cannot request GPMC CS %d\n", cs); - return ret; - } - - if (of_platform_device_create(child, NULL, &pdev->dev)) - return 0; - - dev_err(&pdev->dev, "failed to create gpmc child %s\n", child->name); - - return -ENODEV; -} - static int gpmc_probe_dt(struct platform_device *pdev) { int ret; @@ -1618,10 +1599,9 @@ static int gpmc_probe_dt(struct platform_device *pdev) else if (of_node_cmp(child->name, "onenand") == 0) ret = gpmc_probe_onenand_child(pdev, child); else if (of_node_cmp(child->name, "ethernet") == 0 || - of_node_cmp(child->name, "nor") == 0) + of_node_cmp(child->name, "nor") == 0 || + of_node_cmp(child->name, "uart") == 0) ret = gpmc_probe_generic_child(pdev, child); - else if (of_node_cmp(child->name, "8250") == 0) - ret = gpmc_probe_8250(pdev, child); if (WARN(ret < 0, "%s: probing gpmc child %s failed\n", __func__, child->full_name)) diff --git a/arch/arm/mach-omap2/omap-secure.h b/arch/arm/mach-omap2/omap-secure.h index 8cc7d331437d..3e97c6c8ecf1 100644 --- a/arch/arm/mach-omap2/omap-secure.h +++ b/arch/arm/mach-omap2/omap-secure.h @@ -76,6 +76,13 @@ static inline void omap_barrier_reserve_memblock(void) { } #endif +#ifdef CONFIG_SOC_HAS_REALTIME_COUNTER void set_cntfreq(void); +#else +static inline void set_cntfreq(void) +{ +} +#endif + #endif /* __ASSEMBLER__ */ #endif /* OMAP_ARCH_OMAP_SECURE_H */ diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index 57911430324e..b39efd46abf9 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -35,7 +35,6 @@ #include "iomap.h" #include "common.h" #include "mmc.h" -#include "hsmmc.h" #include "prminst44xx.h" #include "prcm_mpu44xx.h" #include "omap4-sar-layout.h" @@ -284,59 +283,3 @@ skip_errata_init: omap_wakeupgen_init(); irqchip_init(); } - -#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) -static int omap4_twl6030_hsmmc_late_init(struct device *dev) -{ - int irq = 0; - struct platform_device *pdev = container_of(dev, - struct platform_device, dev); - struct omap_mmc_platform_data *pdata = dev->platform_data; - - /* Setting MMC1 Card detect Irq */ - if (pdev->id == 0) { - irq = twl6030_mmc_card_detect_config(); - if (irq < 0) { - dev_err(dev, "%s: Error card detect config(%d)\n", - __func__, irq); - return irq; - } - pdata->slots[0].card_detect_irq = irq; - pdata->slots[0].card_detect = twl6030_mmc_card_detect; - } - return 0; -} - -static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev) -{ - struct omap_mmc_platform_data *pdata; - - /* dev can be null if CONFIG_MMC_OMAP_HS is not set */ - if (!dev) { - pr_err("Failed %s\n", __func__); - return; - } - pdata = dev->platform_data; - pdata->init = omap4_twl6030_hsmmc_late_init; -} - -int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers) -{ - struct omap2_hsmmc_info *c; - - omap_hsmmc_init(controllers); - for (c = controllers; c->mmc; c++) { - /* pdev can be null if CONFIG_MMC_OMAP_HS is not set */ - if (!c->pdev) - continue; - omap4_twl6030_hsmmc_set_late_init(&c->pdev->dev); - } - - return 0; -} -#else -int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers) -{ - return 0; -} -#endif diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index b69dd9abb50a..e0a398cf28d8 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -183,6 +183,10 @@ static int omap_device_build_from_dt(struct platform_device *pdev) odbfd_exit1: kfree(hwmods); odbfd_exit: + /* if data/we are at fault.. load up a fail handler */ + if (ret) + pdev->dev.pm_domain = &omap_device_fail_pm_domain; + return ret; } @@ -604,6 +608,19 @@ static int _od_runtime_resume(struct device *dev) return pm_generic_runtime_resume(dev); } + +static int _od_fail_runtime_suspend(struct device *dev) +{ + dev_warn(dev, "%s: FIXME: missing hwmod/omap_dev info\n", __func__); + return -ENODEV; +} + +static int _od_fail_runtime_resume(struct device *dev) +{ + dev_warn(dev, "%s: FIXME: missing hwmod/omap_dev info\n", __func__); + return -ENODEV; +} + #endif #ifdef CONFIG_SUSPEND @@ -621,6 +638,7 @@ static int _od_suspend_noirq(struct device *dev) if (!ret && !pm_runtime_status_suspended(dev)) { if (pm_generic_runtime_suspend(dev) == 0) { + pm_runtime_set_suspended(dev); omap_device_idle(pdev); od->flags |= OMAP_DEVICE_SUSPENDED; } @@ -634,10 +652,18 @@ static int _od_resume_noirq(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct omap_device *od = to_omap_device(pdev); - if ((od->flags & OMAP_DEVICE_SUSPENDED) && - !pm_runtime_status_suspended(dev)) { + if (od->flags & OMAP_DEVICE_SUSPENDED) { od->flags &= ~OMAP_DEVICE_SUSPENDED; omap_device_enable(pdev); + /* + * XXX: we run before core runtime pm has resumed itself. At + * this point in time, we just restore the runtime pm state and + * considering symmetric operations in resume, we donot expect + * to fail. If we failed, something changed in core runtime_pm + * framework OR some device driver messed things up, hence, WARN + */ + WARN(pm_runtime_set_active(dev), + "Could not set %s runtime state active\n", dev_name(dev)); pm_generic_runtime_resume(dev); } @@ -648,6 +674,13 @@ static int _od_resume_noirq(struct device *dev) #define _od_resume_noirq NULL #endif +struct dev_pm_domain omap_device_fail_pm_domain = { + .ops = { + SET_RUNTIME_PM_OPS(_od_fail_runtime_suspend, + _od_fail_runtime_resume, NULL) + } +}; + struct dev_pm_domain omap_device_pm_domain = { .ops = { SET_RUNTIME_PM_OPS(_od_runtime_suspend, _od_runtime_resume, diff --git a/arch/arm/mach-omap2/omap_device.h b/arch/arm/mach-omap2/omap_device.h index 17ca1aec2710..78c02b355179 100644 --- a/arch/arm/mach-omap2/omap_device.h +++ b/arch/arm/mach-omap2/omap_device.h @@ -29,6 +29,7 @@ #include "omap_hwmod.h" extern struct dev_pm_domain omap_device_pm_domain; +extern struct dev_pm_domain omap_device_fail_pm_domain; /* omap_device._state values */ #define OMAP_DEVICE_STATE_UNKNOWN 0 diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index e3f0ecaf87dd..8a1b5e0bad40 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -399,7 +399,7 @@ static int _set_clockactivity(struct omap_hwmod *oh, u8 clockact, u32 *v) } /** - * _set_softreset: set OCP_SYSCONFIG.CLOCKACTIVITY bits in @v + * _set_softreset: set OCP_SYSCONFIG.SOFTRESET bit in @v * @oh: struct omap_hwmod * * @v: pointer to register contents to modify * @@ -427,6 +427,36 @@ static int _set_softreset(struct omap_hwmod *oh, u32 *v) } /** + * _clear_softreset: clear OCP_SYSCONFIG.SOFTRESET bit in @v + * @oh: struct omap_hwmod * + * @v: pointer to register contents to modify + * + * Clear the SOFTRESET bit in @v for hwmod @oh. Returns -EINVAL upon + * error or 0 upon success. + */ +static int _clear_softreset(struct omap_hwmod *oh, u32 *v) +{ + u32 softrst_mask; + + if (!oh->class->sysc || + !(oh->class->sysc->sysc_flags & SYSC_HAS_SOFTRESET)) + return -EINVAL; + + if (!oh->class->sysc->sysc_fields) { + WARN(1, + "omap_hwmod: %s: sysc_fields absent for sysconfig class\n", + oh->name); + return -EINVAL; + } + + softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift); + + *v &= ~softrst_mask; + + return 0; +} + +/** * _wait_softreset_complete - wait for an OCP softreset to complete * @oh: struct omap_hwmod * to wait on * @@ -785,6 +815,7 @@ static int _init_interface_clks(struct omap_hwmod *oh) pr_warning("omap_hwmod: %s: cannot clk_get interface_clk %s\n", oh->name, os->clk); ret = -EINVAL; + continue; } os->_clk = c; /* @@ -821,6 +852,7 @@ static int _init_opt_clks(struct omap_hwmod *oh) pr_warning("omap_hwmod: %s: cannot clk_get opt_clk %s\n", oh->name, oc->clk); ret = -EINVAL; + continue; } oc->_clk = c; /* @@ -1911,6 +1943,12 @@ static int _ocp_softreset(struct omap_hwmod *oh) ret = _set_softreset(oh, &v); if (ret) goto dis_opt_clks; + + _write_sysconfig(v, oh); + ret = _clear_softreset(oh, &v); + if (ret) + goto dis_opt_clks; + _write_sysconfig(v, oh); if (oh->class->sysc->srst_udelay) @@ -2326,38 +2364,80 @@ static int _shutdown(struct omap_hwmod *oh) return 0; } +static int of_dev_find_hwmod(struct device_node *np, + struct omap_hwmod *oh) +{ + int count, i, res; + const char *p; + + count = of_property_count_strings(np, "ti,hwmods"); + if (count < 1) + return -ENODEV; + + for (i = 0; i < count; i++) { + res = of_property_read_string_index(np, "ti,hwmods", + i, &p); + if (res) + continue; + if (!strcmp(p, oh->name)) { + pr_debug("omap_hwmod: dt %s[%i] uses hwmod %s\n", + np->name, i, oh->name); + return i; + } + } + + return -ENODEV; +} + /** * of_dev_hwmod_lookup - look up needed hwmod from dt blob * @np: struct device_node * * @oh: struct omap_hwmod * + * @index: index of the entry found + * @found: struct device_node * found or NULL * * Parse the dt blob and find out needed hwmod. Recursive function is * implemented to take care hierarchical dt blob parsing. - * Return: The device node on success or NULL on failure. + * Return: Returns 0 on success, -ENODEV when not found. */ -static struct device_node *of_dev_hwmod_lookup(struct device_node *np, - struct omap_hwmod *oh) +static int of_dev_hwmod_lookup(struct device_node *np, + struct omap_hwmod *oh, + int *index, + struct device_node **found) { - struct device_node *np0 = NULL, *np1 = NULL; - const char *p; + struct device_node *np0 = NULL; + int res; + + res = of_dev_find_hwmod(np, oh); + if (res >= 0) { + *found = np; + *index = res; + return 0; + } for_each_child_of_node(np, np0) { - if (of_find_property(np0, "ti,hwmods", NULL)) { - p = of_get_property(np0, "ti,hwmods", NULL); - if (!strcmp(p, oh->name)) - return np0; - np1 = of_dev_hwmod_lookup(np0, oh); - if (np1) - return np1; + struct device_node *fc; + int i; + + res = of_dev_hwmod_lookup(np0, oh, &i, &fc); + if (res == 0) { + *found = fc; + *index = i; + return 0; } } - return NULL; + + *found = NULL; + *index = 0; + + return -ENODEV; } /** * _init_mpu_rt_base - populate the virtual address for a hwmod * @oh: struct omap_hwmod * to locate the virtual address * @data: (unused, caller should pass NULL) + * @index: index of the reg entry iospace in device tree * @np: struct device_node * of the IP block's device node in the DT data * * Cache the virtual address used by the MPU to access this IP block's @@ -2368,7 +2448,7 @@ static struct device_node *of_dev_hwmod_lookup(struct device_node *np, * -ENXIO on absent or invalid register target address space. */ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, - struct device_node *np) + int index, struct device_node *np) { struct omap_hwmod_addr_space *mem; void __iomem *va_start = NULL; @@ -2390,13 +2470,17 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, if (!np) return -ENXIO; - va_start = of_iomap(np, oh->mpu_rt_idx); + va_start = of_iomap(np, index + oh->mpu_rt_idx); } else { va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start); } if (!va_start) { - pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name); + if (mem) + pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name); + else + pr_err("omap_hwmod: %s: Missing dt reg%i for %s\n", + oh->name, index, np->full_name); return -ENXIO; } @@ -2422,17 +2506,29 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, */ static int __init _init(struct omap_hwmod *oh, void *data) { - int r; + int r, index; struct device_node *np = NULL; if (oh->_state != _HWMOD_STATE_REGISTERED) return 0; - if (of_have_populated_dt()) - np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh); + if (of_have_populated_dt()) { + struct device_node *bus; + + bus = of_find_node_by_name(NULL, "ocp"); + if (!bus) + return -ENODEV; + + r = of_dev_hwmod_lookup(bus, oh, &index, &np); + if (r) + pr_debug("omap_hwmod: %s missing dt data\n", oh->name); + else if (np && index) + pr_warn("omap_hwmod: %s using broken dt data from %s\n", + oh->name, np->name); + } if (oh->class->sysc) { - r = _init_mpu_rt_base(oh, NULL, np); + r = _init_mpu_rt_base(oh, NULL, index, np); if (r < 0) { WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n", oh->name); @@ -3169,6 +3265,11 @@ int omap_hwmod_softreset(struct omap_hwmod *oh) goto error; _write_sysconfig(v, oh); + ret = _clear_softreset(oh, &v); + if (ret) + goto error; + _write_sysconfig(v, oh); + error: return ret; } diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 9e56fabd7fa3..d33742908f97 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -1943,7 +1943,8 @@ static struct omap_hwmod_class_sysconfig omap3xxx_usb_host_hs_sysc = { .syss_offs = 0x0014, .sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | SYSC_HAS_ENAWAKEUP | - SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | + SYSS_HAS_RESET_STATUS), .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART), .sysc_fields = &omap_hwmod_sysc_type1, @@ -2021,15 +2022,7 @@ static struct omap_hwmod omap3xxx_usb_host_hs_hwmod = { * hence HWMOD_SWSUP_MSTANDBY */ - /* - * During system boot; If the hwmod framework resets the module - * the module will have smart idle settings; which can lead to deadlock - * (above Errata Id:i660); so, dont reset the module during boot; - * Use HWMOD_INIT_NO_RESET. - */ - - .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY | - HWMOD_INIT_NO_RESET, + .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY, }; /* diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 1e5b12cb8246..3318cae96e7d 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -2937,7 +2937,7 @@ static struct omap_hwmod_class_sysconfig omap44xx_usb_host_hs_sysc = { .sysc_offs = 0x0010, .syss_offs = 0x0014, .sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET), + SYSC_HAS_SOFTRESET | SYSC_HAS_RESET_STATUS), .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART | MSTANDBY_SMART_WKUP), @@ -3001,15 +3001,7 @@ static struct omap_hwmod omap44xx_usb_host_hs_hwmod = { * hence HWMOD_SWSUP_MSTANDBY */ - /* - * During system boot; If the hwmod framework resets the module - * the module will have smart idle settings; which can lead to deadlock - * (above Errata Id:i660); so, dont reset the module during boot; - * Use HWMOD_INIT_NO_RESET. - */ - - .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY | - HWMOD_INIT_NO_RESET, + .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY, }; /* diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c index 9e08d6994a0b..e297d6231c3a 100644 --- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c @@ -1544,7 +1544,8 @@ static struct omap_hwmod_class_sysconfig omap54xx_usb_host_hs_sysc = { .rev_offs = 0x0000, .sysc_offs = 0x0010, .sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_RESET_STATUS | - SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET), + SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET | + SYSC_HAS_RESET_STATUS), .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART | MSTANDBY_SMART_WKUP), @@ -1598,15 +1599,7 @@ static struct omap_hwmod omap54xx_usb_host_hs_hwmod = { * hence HWMOD_SWSUP_MSTANDBY */ - /* - * During system boot; If the hwmod framework resets the module - * the module will have smart idle settings; which can lead to deadlock - * (above Errata Id:i660); so, dont reset the module during boot; - * Use HWMOD_INIT_NO_RESET. - */ - - .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY | - HWMOD_INIT_NO_RESET, + .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY, .main_clk = "l3init_60m_fclk", .prcm = { .omap4 = { diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index 10c71450cf63..39f020c982e8 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -139,6 +139,7 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { static struct pdata_init pdata_quirks[] __initdata = { #ifdef CONFIG_ARCH_OMAP3 + { "nokia,omap3-n900", hsmmc2_internal_input_clk, }, { "nokia,omap3-n9", hsmmc2_internal_input_clk, }, { "nokia,omap3-n950", hsmmc2_internal_input_clk, }, { "isee,omap3-igep0020", omap3_igep0020_legacy_init, }, diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 93b80e5da8d4..1f3770a8a728 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -120,7 +120,7 @@ static void omap3_save_secure_ram_context(void) * will hang the system. */ pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON); - ret = _omap_save_secure_sram((u32 *) + ret = _omap_save_secure_sram((u32 *)(unsigned long) __pa(omap3_secure_ram_storage)); pwrdm_set_next_pwrst(mpu_pwrdm, mpu_next_state); /* Following is for error tracking, it should not happen */ diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index e233dfcbc186..93a2a6e4260f 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -128,7 +128,8 @@ skip_voltdm: for (i = 0; i < pwrdm->banks; i++) pwrdm->ret_mem_off_counter[i] = 0; - arch_pwrdm->pwrdm_wait_transition(pwrdm); + if (arch_pwrdm && arch_pwrdm->pwrdm_wait_transition) + arch_pwrdm->pwrdm_wait_transition(pwrdm); pwrdm->state = pwrdm_read_pwrst(pwrdm); pwrdm->state_counter[pwrdm->state] = 1; diff --git a/arch/arm/mach-omap2/prm44xx_54xx.h b/arch/arm/mach-omap2/prm44xx_54xx.h index a085d9cc1f5d..8d95aa543ef5 100644 --- a/arch/arm/mach-omap2/prm44xx_54xx.h +++ b/arch/arm/mach-omap2/prm44xx_54xx.h @@ -42,7 +42,8 @@ extern u32 omap4_prm_vcvp_read(u8 offset); extern void omap4_prm_vcvp_write(u32 val, u8 offset); extern u32 omap4_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset); -#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) +#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ + defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM43XX) void omap44xx_prm_reconfigure_io_chain(void); #else static inline void omap44xx_prm_reconfigure_io_chain(void) |