diff options
Diffstat (limited to 'arch/arm/mach-davinci')
-rw-r--r-- | arch/arm/mach-davinci/board-da850-evm.c | 102 | ||||
-rw-r--r-- | arch/arm/mach-davinci/board-omapl138-hawk.c | 30 | ||||
-rw-r--r-- | arch/arm/mach-davinci/cpuidle.c | 84 | ||||
-rw-r--r-- | arch/arm/mach-davinci/include/mach/uncompress.h | 1 |
4 files changed, 79 insertions, 138 deletions
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 3a76a47df39c..1f50a653eb8c 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -349,13 +349,13 @@ static inline void da850_evm_setup_nor_nand(void) if (!HAS_MMC) { ret = davinci_cfg_reg_list(da850_evm_nand_pins); if (ret) - pr_warning("da850_evm_init: nand mux setup failed: " - "%d\n", ret); + pr_warn("%s: NAND mux setup failed: %d\n", + __func__, ret); ret = davinci_cfg_reg_list(da850_evm_nor_pins); if (ret) - pr_warning("da850_evm_init: nor mux setup failed: %d\n", - ret); + pr_warn("%s: NOR mux setup failed: %d\n", + __func__, ret); da850_evm_init_nor(); @@ -477,19 +477,19 @@ static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio, ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]); if (ret) { - pr_warning("Cannot open UI expander pin %d\n", sel_a); + pr_warn("Cannot open UI expander pin %d\n", sel_a); goto exp_setup_sela_fail; } ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]); if (ret) { - pr_warning("Cannot open UI expander pin %d\n", sel_b); + pr_warn("Cannot open UI expander pin %d\n", sel_b); goto exp_setup_selb_fail; } ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]); if (ret) { - pr_warning("Cannot open UI expander pin %d\n", sel_c); + pr_warn("Cannot open UI expander pin %d\n", sel_c); goto exp_setup_selc_fail; } @@ -501,7 +501,7 @@ static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio, da850_evm_ui_keys_init(gpio); ret = platform_device_register(&da850_evm_ui_keys_device); if (ret) { - pr_warning("Could not register UI GPIO expander push-buttons"); + pr_warn("Could not register UI GPIO expander push-buttons"); goto exp_setup_keys_fail; } @@ -690,14 +690,14 @@ static int da850_evm_bb_expander_setup(struct i2c_client *client, da850_evm_bb_keys_init(gpio); ret = platform_device_register(&da850_evm_bb_keys_device); if (ret) { - pr_warning("Could not register baseboard GPIO expander keys"); + pr_warn("Could not register baseboard GPIO expander keys"); goto io_exp_setup_sw_fail; } da850_evm_bb_leds_init(gpio); ret = platform_device_register(&da850_evm_bb_leds_device); if (ret) { - pr_warning("Could not register baseboard GPIO expander LEDS"); + pr_warn("Could not register baseboard GPIO expander LEDs"); goto io_exp_setup_leds_fail; } @@ -1065,21 +1065,19 @@ static int __init da850_evm_config_emac(void) } if (ret) - pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n", - ret); + pr_warn("%s: CPGMAC/RMII mux setup failed: %d\n", + __func__, ret); /* configure the CFGCHIP3 register for RMII or MII */ __raw_writel(val, cfg_chip3_base); ret = davinci_cfg_reg(DA850_GPIO2_6); if (ret) - pr_warning("da850_evm_init:GPIO(2,6) mux setup " - "failed\n"); + pr_warn("%s:GPIO(2,6) mux setup failed\n", __func__); ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en"); if (ret) { - pr_warning("Cannot open GPIO %d\n", - DA850_MII_MDIO_CLKEN_PIN); + pr_warn("Cannot open GPIO %d\n", DA850_MII_MDIO_CLKEN_PIN); return ret; } @@ -1090,8 +1088,7 @@ static int __init da850_evm_config_emac(void) ret = da8xx_register_emac(); if (ret) - pr_warning("da850_evm_init: emac registration failed: %d\n", - ret); + pr_warn("%s: EMAC registration failed: %d\n", __func__, ret); return 0; } @@ -1443,57 +1440,53 @@ static __init void da850_evm_init(void) ret = pmic_tps65070_init(); if (ret) - pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n", - ret); + pr_warn("%s: TPS65070 PMIC init failed: %d\n", __func__, ret); ret = da850_register_edma(da850_edma_rsv); if (ret) - pr_warning("da850_evm_init: edma registration failed: %d\n", - ret); + pr_warn("%s: EDMA registration failed: %d\n", __func__, ret); ret = davinci_cfg_reg_list(da850_i2c0_pins); if (ret) - pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n", - ret); + pr_warn("%s: I2C0 mux setup failed: %d\n", __func__, ret); ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata); if (ret) - pr_warning("da850_evm_init: i2c0 registration failed: %d\n", - ret); + pr_warn("%s: I2C0 registration failed: %d\n", __func__, ret); ret = da8xx_register_watchdog(); if (ret) - pr_warning("da830_evm_init: watchdog registration failed: %d\n", - ret); + pr_warn("%s: watchdog registration failed: %d\n", + __func__, ret); if (HAS_MMC) { ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins); if (ret) - pr_warning("da850_evm_init: mmcsd0 mux setup failed:" - " %d\n", ret); + pr_warn("%s: MMCSD0 mux setup failed: %d\n", + __func__, ret); ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n"); if (ret) - pr_warning("da850_evm_init: can not open GPIO %d\n", - DA850_MMCSD_CD_PIN); + pr_warn("%s: can not open GPIO %d\n", + __func__, DA850_MMCSD_CD_PIN); gpio_direction_input(DA850_MMCSD_CD_PIN); ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n"); if (ret) - pr_warning("da850_evm_init: can not open GPIO %d\n", - DA850_MMCSD_WP_PIN); + pr_warn("%s: can not open GPIO %d\n", + __func__, DA850_MMCSD_WP_PIN); gpio_direction_input(DA850_MMCSD_WP_PIN); ret = da8xx_register_mmcsd0(&da850_mmc_config); if (ret) - pr_warning("da850_evm_init: mmcsd0 registration failed:" - " %d\n", ret); + pr_warn("%s: MMCSD0 registration failed: %d\n", + __func__, ret); ret = da850_wl12xx_init(); if (ret) - pr_warning("da850_evm_init: wl12xx initialization" - " failed: %d\n", ret); + pr_warn("%s: WL12xx initialization failed: %d\n", + __func__, ret); } davinci_serial_init(&da850_evm_uart_config); @@ -1511,16 +1504,14 @@ static __init void da850_evm_init(void) ret = davinci_cfg_reg_list(da850_evm_mcasp_pins); if (ret) - pr_warning("da850_evm_init: mcasp mux setup failed: %d\n", - ret); + pr_warn("%s: McASP mux setup failed: %d\n", __func__, ret); da850_evm_snd_data.sram_pool = sram_get_gen_pool(); da8xx_register_mcasp(0, &da850_evm_snd_data); ret = davinci_cfg_reg_list(da850_lcdcntl_pins); if (ret) - pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n", - ret); + pr_warn("%s: LCDC mux setup failed: %d\n", __func__, ret); ret = da8xx_register_uio_pruss(); if (ret) @@ -1530,38 +1521,33 @@ static __init void da850_evm_init(void) /* Handle board specific muxing for LCD here */ ret = davinci_cfg_reg_list(da850_evm_lcdc_pins); if (ret) - pr_warning("da850_evm_init: evm specific lcd mux setup " - "failed: %d\n", ret); + pr_warn("%s: EVM specific LCD mux setup failed: %d\n", + __func__, ret); ret = da850_lcd_hw_init(); if (ret) - pr_warning("da850_evm_init: lcd initialization failed: %d\n", - ret); + pr_warn("%s: LCD initialization failed: %d\n", __func__, ret); sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl, ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata); if (ret) - pr_warning("da850_evm_init: lcdc registration failed: %d\n", - ret); + pr_warn("%s: LCDC registration failed: %d\n", __func__, ret); ret = da8xx_register_rtc(); if (ret) - pr_warning("da850_evm_init: rtc setup failed: %d\n", ret); + pr_warn("%s: RTC setup failed: %d\n", __func__, ret); ret = da850_evm_init_cpufreq(); if (ret) - pr_warning("da850_evm_init: cpufreq registration failed: %d\n", - ret); + pr_warn("%s: cpufreq registration failed: %d\n", __func__, ret); ret = da8xx_register_cpuidle(); if (ret) - pr_warning("da850_evm_init: cpuidle registration failed: %d\n", - ret); + pr_warn("%s: cpuidle registration failed: %d\n", __func__, ret); ret = da850_register_pm(&da850_pm_device); if (ret) - pr_warning("da850_evm_init: suspend registration failed: %d\n", - ret); + pr_warn("%s: suspend registration failed: %d\n", __func__, ret); da850_vpif_init(); @@ -1573,13 +1559,11 @@ static __init void da850_evm_init(void) ret = da8xx_register_spi_bus(1, ARRAY_SIZE(da850evm_spi_info)); if (ret) - pr_warning("da850_evm_init: spi 1 registration failed: %d\n", - ret); + pr_warn("%s: SPI 1 registration failed: %d\n", __func__, ret); ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE); if (ret) - pr_warning("da850_evm_init: sata registration failed: %d\n", - ret); + pr_warn("%s: SATA registration failed: %d\n", __func__, ret); da850_evm_setup_mac_addr(); } diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index deb3922612b9..5a2bd44da54d 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -48,8 +48,7 @@ static __init void omapl138_hawk_config_emac(void) val &= ~BIT(8); ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins); if (ret) { - pr_warning("%s: cpgmac/mii mux setup failed: %d\n", - __func__, ret); + pr_warn("%s: CPGMAC/MII mux setup failed: %d\n", __func__, ret); return; } @@ -61,8 +60,7 @@ static __init void omapl138_hawk_config_emac(void) ret = da8xx_register_emac(); if (ret) - pr_warning("%s: emac registration failed: %d\n", - __func__, ret); + pr_warn("%s: EMAC registration failed: %d\n", __func__, ret); } /* @@ -147,15 +145,14 @@ static __init void omapl138_hawk_mmc_init(void) ret = davinci_cfg_reg_list(hawk_mmcsd0_pins); if (ret) { - pr_warning("%s: MMC/SD0 mux setup failed: %d\n", - __func__, ret); + pr_warn("%s: MMC/SD0 mux setup failed: %d\n", __func__, ret); return; } ret = gpio_request_one(DA850_HAWK_MMCSD_CD_PIN, GPIOF_DIR_IN, "MMC CD"); if (ret < 0) { - pr_warning("%s: can not open GPIO %d\n", + pr_warn("%s: can not open GPIO %d\n", __func__, DA850_HAWK_MMCSD_CD_PIN); return; } @@ -163,15 +160,14 @@ static __init void omapl138_hawk_mmc_init(void) ret = gpio_request_one(DA850_HAWK_MMCSD_WP_PIN, GPIOF_DIR_IN, "MMC WP"); if (ret < 0) { - pr_warning("%s: can not open GPIO %d\n", + pr_warn("%s: can not open GPIO %d\n", __func__, DA850_HAWK_MMCSD_WP_PIN); goto mmc_setup_wp_fail; } ret = da8xx_register_mmcsd0(&da850_mmc_config); if (ret) { - pr_warning("%s: MMC/SD0 registration failed: %d\n", - __func__, ret); + pr_warn("%s: MMC/SD0 registration failed: %d\n", __func__, ret); goto mmc_setup_mmcsd_fail; } @@ -250,8 +246,7 @@ static __init void omapl138_hawk_usb_init(void) ret = davinci_cfg_reg_list(da850_hawk_usb11_pins); if (ret) { - pr_warning("%s: USB 1.1 PinMux setup failed: %d\n", - __func__, ret); + pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret); return; } @@ -280,8 +275,7 @@ static __init void omapl138_hawk_usb_init(void) ret = da8xx_register_usb11(&omapl138_hawk_usb11_pdata); if (ret) { - pr_warning("%s: USB 1.1 registration failed: %d\n", - __func__, ret); + pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret); goto usb11_setup_fail; } @@ -307,8 +301,7 @@ static __init void omapl138_hawk_init(void) ret = da850_register_edma(da850_edma_rsv); if (ret) - pr_warning("%s: EDMA registration failed: %d\n", - __func__, ret); + pr_warn("%s: EDMA registration failed: %d\n", __func__, ret); omapl138_hawk_mmc_init(); @@ -316,9 +309,8 @@ static __init void omapl138_hawk_init(void) ret = da8xx_register_watchdog(); if (ret) - pr_warning("omapl138_hawk_init: " - "watchdog registration failed: %d\n", - ret); + pr_warn("%s: watchdog registration failed: %d\n", + __func__, ret); } #ifdef CONFIG_SERIAL_8250_CONSOLE diff --git a/arch/arm/mach-davinci/cpuidle.c b/arch/arm/mach-davinci/cpuidle.c index 9107691adbdb..5ac9e9384b15 100644 --- a/arch/arm/mach-davinci/cpuidle.c +++ b/arch/arm/mach-davinci/cpuidle.c @@ -25,35 +25,44 @@ #define DAVINCI_CPUIDLE_MAX_STATES 2 -struct davinci_ops { - void (*enter) (u32 flags); - void (*exit) (u32 flags); - u32 flags; -}; +static DEFINE_PER_CPU(struct cpuidle_device, davinci_cpuidle_device); +static void __iomem *ddr2_reg_base; +static bool ddr2_pdown; + +static void davinci_save_ddr_power(int enter, bool pdown) +{ + u32 val; + + val = __raw_readl(ddr2_reg_base + DDR2_SDRCR_OFFSET); + + if (enter) { + if (pdown) + val |= DDR2_SRPD_BIT; + else + val &= ~DDR2_SRPD_BIT; + val |= DDR2_LPMODEN_BIT; + } else { + val &= ~(DDR2_SRPD_BIT | DDR2_LPMODEN_BIT); + } + + __raw_writel(val, ddr2_reg_base + DDR2_SDRCR_OFFSET); +} /* Actual code that puts the SoC in different idle states */ static int davinci_enter_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - struct cpuidle_state_usage *state_usage = &dev->states_usage[index]; - struct davinci_ops *ops = cpuidle_get_statedata(state_usage); - - if (ops && ops->enter) - ops->enter(ops->flags); + davinci_save_ddr_power(1, ddr2_pdown); index = cpuidle_wrap_enter(dev, drv, index, arm_cpuidle_simple_enter); - if (ops && ops->exit) - ops->exit(ops->flags); + davinci_save_ddr_power(0, ddr2_pdown); return index; } -/* fields in davinci_ops.flags */ -#define DAVINCI_CPUIDLE_FLAGS_DDR2_PWDN BIT(0) - static struct cpuidle_driver davinci_idle_driver = { .name = "cpuidle-davinci", .owner = THIS_MODULE, @@ -70,45 +79,6 @@ static struct cpuidle_driver davinci_idle_driver = { .state_count = DAVINCI_CPUIDLE_MAX_STATES, }; -static DEFINE_PER_CPU(struct cpuidle_device, davinci_cpuidle_device); -static void __iomem *ddr2_reg_base; - -static void davinci_save_ddr_power(int enter, bool pdown) -{ - u32 val; - - val = __raw_readl(ddr2_reg_base + DDR2_SDRCR_OFFSET); - - if (enter) { - if (pdown) - val |= DDR2_SRPD_BIT; - else - val &= ~DDR2_SRPD_BIT; - val |= DDR2_LPMODEN_BIT; - } else { - val &= ~(DDR2_SRPD_BIT | DDR2_LPMODEN_BIT); - } - - __raw_writel(val, ddr2_reg_base + DDR2_SDRCR_OFFSET); -} - -static void davinci_c2state_enter(u32 flags) -{ - davinci_save_ddr_power(1, !!(flags & DAVINCI_CPUIDLE_FLAGS_DDR2_PWDN)); -} - -static void davinci_c2state_exit(u32 flags) -{ - davinci_save_ddr_power(0, !!(flags & DAVINCI_CPUIDLE_FLAGS_DDR2_PWDN)); -} - -static struct davinci_ops davinci_states[DAVINCI_CPUIDLE_MAX_STATES] = { - [1] = { - .enter = davinci_c2state_enter, - .exit = davinci_c2state_exit, - }, -}; - static int __init davinci_cpuidle_probe(struct platform_device *pdev) { int ret; @@ -124,11 +94,7 @@ static int __init davinci_cpuidle_probe(struct platform_device *pdev) ddr2_reg_base = pdata->ddr2_ctlr_base; - if (pdata->ddr2_pdown) - davinci_states[1].flags |= DAVINCI_CPUIDLE_FLAGS_DDR2_PWDN; - cpuidle_set_statedata(&device->states_usage[1], &davinci_states[1]); - - device->state_count = DAVINCI_CPUIDLE_MAX_STATES; + ddr2_pdown = pdata->ddr2_pdown; ret = cpuidle_register_driver(&davinci_idle_driver); if (ret) { diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h index 3a0ff905a69b..f49c2916aa3a 100644 --- a/arch/arm/mach-davinci/include/mach/uncompress.h +++ b/arch/arm/mach-davinci/include/mach/uncompress.h @@ -101,4 +101,3 @@ static inline void __arch_decomp_setup(unsigned long arch_id) } #define arch_decomp_setup() __arch_decomp_setup(arch_id) -#define arch_decomp_wdog() |