diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-omap1/clock_data.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-omap1/devices.c | 35 | ||||
-rw-r--r-- | arch/arm/mach-omap1/mux.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-omap2/Kconfig | 1 | ||||
-rwxr-xr-x | arch/arm/mach-omap2/board-zoom-peripherals.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-omap2/mux.c | 6 | ||||
-rw-r--r-- | arch/arm/mach-omap2/pm34xx.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-omap2/serial.c | 12 | ||||
-rw-r--r-- | arch/arm/plat-omap/gpio.c | 63 | ||||
-rw-r--r-- | arch/arm/plat-omap/include/plat/board.h | 1 | ||||
-rw-r--r-- | arch/arm/plat-omap/include/plat/control.h | 2 | ||||
-rw-r--r-- | arch/arm/plat-omap/include/plat/mux.h | 8 | ||||
-rw-r--r-- | arch/arm/plat-omap/include/plat/omap7xx.h | 3 | ||||
-rw-r--r-- | arch/arm/plat-omap/iommu.c | 2 | ||||
-rw-r--r-- | arch/arm/plat-omap/mcbsp.c | 20 |
15 files changed, 159 insertions, 18 deletions
diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c index 8a85bbb6bb00..65e7b5b85d83 100644 --- a/arch/arm/mach-omap1/clock_data.c +++ b/arch/arm/mach-omap1/clock_data.c @@ -658,6 +658,10 @@ static struct omap_clk omap_clks[] = { CLK("i2c_omap.1", "fck", &i2c_fck, CK_16XX | CK_1510 | CK_310 | CK_7XX), CLK("i2c_omap.1", "ick", &i2c_ick, CK_16XX), CLK("i2c_omap.1", "ick", &dummy_ck, CK_1510 | CK_310 | CK_7XX), + CLK("omap1_spi100k.1", "fck", &dummy_ck, CK_7XX), + CLK("omap1_spi100k.1", "ick", &dummy_ck, CK_7XX), + CLK("omap1_spi100k.2", "fck", &dummy_ck, CK_7XX), + CLK("omap1_spi100k.2", "ick", &dummy_ck, CK_7XX), CLK("omap_uwire", "fck", &armxor_ck.clk, CK_16XX | CK_1510 | CK_310), CLK("omap-mcbsp.1", "ick", &dspper_ck, CK_16XX), CLK("omap-mcbsp.1", "ick", &dummy_ck, CK_1510 | CK_310), diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c index 23ded2d49600..a2d07aa75c9e 100644 --- a/arch/arm/mach-omap1/devices.c +++ b/arch/arm/mach-omap1/devices.c @@ -14,6 +14,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/spi/spi.h> #include <mach/hardware.h> #include <asm/mach/map.h> @@ -23,6 +24,7 @@ #include <plat/mux.h> #include <mach/gpio.h> #include <plat/mmc.h> +#include <plat/omap7xx.h> /*-------------------------------------------------------------------------*/ @@ -196,6 +198,38 @@ void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, /*-------------------------------------------------------------------------*/ +/* OMAP7xx SPI support */ +#if defined(CONFIG_SPI_OMAP_100K) || defined(CONFIG_SPI_OMAP_100K_MODULE) + +struct platform_device omap_spi1 = { + .name = "omap1_spi100k", + .id = 1, +}; + +struct platform_device omap_spi2 = { + .name = "omap1_spi100k", + .id = 2, +}; + +static void omap_init_spi100k(void) +{ + omap_spi1.dev.platform_data = ioremap(OMAP7XX_SPI1_BASE, 0x7ff); + if (omap_spi1.dev.platform_data) + platform_device_register(&omap_spi1); + + omap_spi2.dev.platform_data = ioremap(OMAP7XX_SPI2_BASE, 0x7ff); + if (omap_spi2.dev.platform_data) + platform_device_register(&omap_spi2); +} + +#else +static inline void omap_init_spi100k(void) +{ +} +#endif + +/*-------------------------------------------------------------------------*/ + #if defined(CONFIG_OMAP_STI) #define OMAP1_STI_BASE 0xfffea000 @@ -263,6 +297,7 @@ static int __init omap1_init_devices(void) omap_init_mbox(); omap_init_rtc(); + omap_init_spi100k(); omap_init_sti(); return 0; diff --git a/arch/arm/mach-omap1/mux.c b/arch/arm/mach-omap1/mux.c index 07212cc621ae..84341377232d 100644 --- a/arch/arm/mach-omap1/mux.c +++ b/arch/arm/mach-omap1/mux.c @@ -62,6 +62,14 @@ MUX_CFG_7XX("MMC_7XX_DAT0", 2, 17, 0, 16, 1, 0) /* I2C interface */ MUX_CFG_7XX("I2C_7XX_SCL", 5, 1, 0, 0, 1, 0) MUX_CFG_7XX("I2C_7XX_SDA", 5, 5, 0, 0, 1, 0) + +/* SPI pins */ +MUX_CFG_7XX("SPI_7XX_1", 6, 5, 4, 4, 1, 0) +MUX_CFG_7XX("SPI_7XX_2", 6, 9, 4, 8, 1, 0) +MUX_CFG_7XX("SPI_7XX_3", 6, 13, 4, 12, 1, 0) +MUX_CFG_7XX("SPI_7XX_4", 6, 17, 4, 16, 1, 0) +MUX_CFG_7XX("SPI_7XX_5", 8, 25, 0, 24, 0, 0) +MUX_CFG_7XX("SPI_7XX_6", 9, 5, 0, 4, 0, 0) }; #define OMAP7XX_PINS_SZ ARRAY_SIZE(omap7xx_pins) #else diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 10eafa70a909..606bf04f51b6 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -80,6 +80,7 @@ config MACH_OVERO config MACH_OMAP3EVM bool "OMAP 3530 EVM board" depends on ARCH_OMAP3 && ARCH_OMAP34XX + select OMAP_PACKAGE_CBB config MACH_OMAP3517EVM bool "OMAP3517/ AM3517 EVM board" diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c index 8dd277c36661..1e3dfb652acc 100755 --- a/arch/arm/mach-omap2/board-zoom-peripherals.c +++ b/arch/arm/mach-omap2/board-zoom-peripherals.c @@ -63,21 +63,21 @@ static int board_keymap[] = { KEY(5, 1, KEY_H), KEY(5, 2, KEY_J), KEY(5, 3, KEY_F3), + KEY(5, 4, KEY_UNKNOWN), KEY(5, 5, KEY_VOLUMEDOWN), KEY(5, 6, KEY_M), - KEY(5, 7, KEY_ENTER), + KEY(5, 7, KEY_RIGHT), KEY(6, 0, KEY_Q), KEY(6, 1, KEY_A), KEY(6, 2, KEY_N), KEY(6, 3, KEY_BACKSPACE), KEY(6, 6, KEY_P), - KEY(6, 7, KEY_SELECT), + KEY(6, 7, KEY_UP), KEY(7, 0, KEY_PROG1), /*MACRO 1 <User defined> */ KEY(7, 1, KEY_PROG2), /*MACRO 2 <User defined> */ KEY(7, 2, KEY_PROG3), /*MACRO 3 <User defined> */ KEY(7, 3, KEY_PROG4), /*MACRO 4 <User defined> */ - KEY(7, 5, KEY_RIGHT), - KEY(7, 6, KEY_UP), + KEY(7, 6, KEY_SELECT), KEY(7, 7, KEY_DOWN) }; diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index e071b3fd1878..459ef23ab8a8 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -994,8 +994,10 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size, } #ifdef CONFIG_OMAP_MUX - omap_mux_package_fixup(package_subset, superset); - omap_mux_package_init_balls(package_balls, superset); + if (package_subset) + omap_mux_package_fixup(package_subset, superset); + if (package_balls) + omap_mux_package_init_balls(package_balls, superset); omap_mux_set_cmdline_signals(); omap_mux_set_board_signals(board_mux); #endif diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 81ed252a0f8a..c6cc809afb79 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -124,8 +124,8 @@ static void omap3_core_save_context(void) control_padconf_off |= START_PADCONF_SAVE; omap_ctrl_writel(control_padconf_off, OMAP343X_CONTROL_PADCONF_OFF); /* wait for the save to complete */ - while (!omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS) - & PADCONF_SAVE_DONE) + while (!(omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS) + & PADCONF_SAVE_DONE)) ; /* Save the Interrupt controller context */ omap_intc_save_context(); diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 19805a7de06c..8c964bec8159 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -125,6 +125,13 @@ static struct plat_serial8250_port serial_platform_data3[] = { } }; #endif +static inline unsigned int __serial_read_reg(struct uart_port *up, + int offset) +{ + offset <<= up->regshift; + return (unsigned int)__raw_readb(up->membase + offset); +} + static inline unsigned int serial_read_reg(struct plat_serial8250_port *up, int offset) { @@ -583,11 +590,12 @@ static unsigned int serial_in_override(struct uart_port *up, int offset) { if (UART_RX == offset) { unsigned int lsr; - lsr = serial_read_reg(omap_uart[up->line].p, UART_LSR); + lsr = __serial_read_reg(up, UART_LSR); if (!(lsr & UART_LSR_DR)) return -EPERM; } - return serial_read_reg(omap_uart[up->line].p, offset); + + return __serial_read_reg(up, offset); } void __init omap_serial_early_init(void) diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 04846811d0aa..d17620c50c28 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -192,6 +192,7 @@ struct gpio_bank { u32 saved_risingdetect; #endif u32 level_mask; + u32 toggle_mask; spinlock_t lock; struct gpio_chip chip; struct clk *dbck; @@ -749,6 +750,44 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio, } #endif +/* + * This only applies to chips that can't do both rising and falling edge + * detection at once. For all other chips, this function is a noop. + */ +static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio) +{ + void __iomem *reg = bank->base; + u32 l = 0; + + switch (bank->method) { +#ifdef CONFIG_ARCH_OMAP1 + case METHOD_MPUIO: + reg += OMAP_MPUIO_GPIO_INT_EDGE; + break; +#endif +#ifdef CONFIG_ARCH_OMAP15XX + case METHOD_GPIO_1510: + reg += OMAP1510_GPIO_INT_CONTROL; + break; +#endif +#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) + case METHOD_GPIO_7XX: + reg += OMAP7XX_GPIO_INT_CONTROL; + break; +#endif + default: + return; + } + + l = __raw_readl(reg); + if ((l >> gpio) & 1) + l &= ~(1 << gpio); + else + l |= 1 << gpio; + + __raw_writel(l, reg); +} + static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) { void __iomem *reg = bank->base; @@ -759,6 +798,8 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) case METHOD_MPUIO: reg += OMAP_MPUIO_GPIO_INT_EDGE; l = __raw_readl(reg); + if (trigger & IRQ_TYPE_EDGE_BOTH) + bank->toggle_mask |= 1 << gpio; if (trigger & IRQ_TYPE_EDGE_RISING) l |= 1 << gpio; else if (trigger & IRQ_TYPE_EDGE_FALLING) @@ -771,6 +812,8 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) case METHOD_GPIO_1510: reg += OMAP1510_GPIO_INT_CONTROL; l = __raw_readl(reg); + if (trigger & IRQ_TYPE_EDGE_BOTH) + bank->toggle_mask |= 1 << gpio; if (trigger & IRQ_TYPE_EDGE_RISING) l |= 1 << gpio; else if (trigger & IRQ_TYPE_EDGE_FALLING) @@ -803,6 +846,8 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) case METHOD_GPIO_7XX: reg += OMAP7XX_GPIO_INT_CONTROL; l = __raw_readl(reg); + if (trigger & IRQ_TYPE_EDGE_BOTH) + bank->toggle_mask |= 1 << gpio; if (trigger & IRQ_TYPE_EDGE_RISING) l |= 1 << gpio; else if (trigger & IRQ_TYPE_EDGE_FALLING) @@ -1072,7 +1117,7 @@ static inline void _set_gpio_irqenable(struct gpio_bank *bank, int gpio, int ena */ static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable) { - unsigned long flags; + unsigned long uninitialized_var(flags); switch (bank->method) { #ifdef CONFIG_ARCH_OMAP16XX @@ -1217,7 +1262,7 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) { void __iomem *isr_reg = NULL; u32 isr; - unsigned int gpio_irq; + unsigned int gpio_irq, gpio_index; struct gpio_bank *bank; u32 retrigger = 0; int unmasked = 0; @@ -1284,9 +1329,23 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) gpio_irq = bank->virtual_irq_start; for (; isr != 0; isr >>= 1, gpio_irq++) { + gpio_index = get_gpio_index(irq_to_gpio(gpio_irq)); + if (!(isr & 1)) continue; +#ifdef CONFIG_ARCH_OMAP1 + /* + * Some chips can't respond to both rising and falling + * at the same time. If this irq was requested with + * both flags, we need to flip the ICR data for the IRQ + * to respond to the IRQ for the opposite direction. + * This will be indicated in the bank toggle_mask. + */ + if (bank->toggle_mask & (1 << gpio_index)) + _toggle_gpio_edge_triggering(bank, gpio_index); +#endif + generic_handle_irq(gpio_irq); } } diff --git a/arch/arm/plat-omap/include/plat/board.h b/arch/arm/plat-omap/include/plat/board.h index 376ce18216ff..5cd622039da0 100644 --- a/arch/arm/plat-omap/include/plat/board.h +++ b/arch/arm/plat-omap/include/plat/board.h @@ -99,7 +99,6 @@ struct fb_info; struct omap_backlight_config { int default_intensity; int (*set_power)(struct device *dev, int state); - int (*check_fb)(struct fb_info *fb); }; struct omap_fbmem_config { diff --git a/arch/arm/plat-omap/include/plat/control.h b/arch/arm/plat-omap/include/plat/control.h index 2ae884378638..a745d62fad0d 100644 --- a/arch/arm/plat-omap/include/plat/control.h +++ b/arch/arm/plat-omap/include/plat/control.h @@ -147,7 +147,7 @@ #define OMAP343X_CONTROL_IVA2_BOOTADDR (OMAP2_CONTROL_GENERAL + 0x0190) #define OMAP343X_CONTROL_IVA2_BOOTMOD (OMAP2_CONTROL_GENERAL + 0x0194) #define OMAP343X_CONTROL_DEBOBS(i) (OMAP2_CONTROL_GENERAL + 0x01B0 \ - + ((i) >> 1) * 4 + (!(i) & 1) * 2) + + ((i) >> 1) * 4 + (!((i) & 1)) * 2) #define OMAP343X_CONTROL_PROG_IO0 (OMAP2_CONTROL_GENERAL + 0x01D4) #define OMAP343X_CONTROL_PROG_IO1 (OMAP2_CONTROL_GENERAL + 0x01D8) #define OMAP343X_CONTROL_DSS_DPLL_SPREADING (OMAP2_CONTROL_GENERAL + 0x01E0) diff --git a/arch/arm/plat-omap/include/plat/mux.h b/arch/arm/plat-omap/include/plat/mux.h index 8f069cc80350..692c90e89ac3 100644 --- a/arch/arm/plat-omap/include/plat/mux.h +++ b/arch/arm/plat-omap/include/plat/mux.h @@ -183,6 +183,14 @@ enum omap7xx_index { /* I2C */ I2C_7XX_SCL, I2C_7XX_SDA, + + /* SPI */ + SPI_7XX_1, + SPI_7XX_2, + SPI_7XX_3, + SPI_7XX_4, + SPI_7XX_5, + SPI_7XX_6, }; enum omap1xxx_index { diff --git a/arch/arm/plat-omap/include/plat/omap7xx.h b/arch/arm/plat-omap/include/plat/omap7xx.h index 53f52414b0e9..48e4757e1e30 100644 --- a/arch/arm/plat-omap/include/plat/omap7xx.h +++ b/arch/arm/plat-omap/include/plat/omap7xx.h @@ -46,6 +46,9 @@ #define OMAP7XX_DSPREG_SIZE SZ_128K #define OMAP7XX_DSPREG_START 0xE1000000 +#define OMAP7XX_SPI1_BASE 0xfffc0800 +#define OMAP7XX_SPI2_BASE 0xfffc1000 + /* * ---------------------------------------------------------------------------- * OMAP7XX specific configuration registers diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c index c0ff1e39d893..463d6386aff2 100644 --- a/arch/arm/plat-omap/iommu.c +++ b/arch/arm/plat-omap/iommu.c @@ -827,7 +827,7 @@ EXPORT_SYMBOL_GPL(iommu_get); **/ void iommu_put(struct iommu *obj) { - if (!obj && IS_ERR(obj)) + if (!obj || IS_ERR(obj)) return; mutex_lock(&obj->iommu_lock); diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index 2cc1cc328bac..f75767278fc3 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -436,7 +436,7 @@ int omap_mcbsp_request(unsigned int id) dev_err(mcbsp->dev, "Unable to request TX IRQ %d " "for McBSP%d\n", mcbsp->tx_irq, mcbsp->id); - return err; + goto error; } init_completion(&mcbsp->rx_irq_completion); @@ -446,12 +446,26 @@ int omap_mcbsp_request(unsigned int id) dev_err(mcbsp->dev, "Unable to request RX IRQ %d " "for McBSP%d\n", mcbsp->rx_irq, mcbsp->id); - free_irq(mcbsp->tx_irq, (void *)mcbsp); - return err; + goto tx_irq; } } return 0; +tx_irq: + free_irq(mcbsp->tx_irq, (void *)mcbsp); +error: + if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free) + mcbsp->pdata->ops->free(id); + + /* Do procedure specific to omap34xx arch, if applicable */ + omap34xx_mcbsp_free(mcbsp); + + clk_disable(mcbsp->fclk); + clk_disable(mcbsp->iclk); + + mcbsp->free = 1; + + return err; } EXPORT_SYMBOL(omap_mcbsp_request); |