************************************************************** *SoM-9260 board updates for power management *NZG *09/25/2007 *EMAC.Inc ************************************************************ diff -uprN linux-2.6.20-at92_e1.2/arch/arm/mach-at91rm9200/Kconfig linux-2.6.20.snap/arch/arm/mach-at91rm9200/Kconfig --- linux-2.6.20-at92_e1.2/arch/arm/mach-at91rm9200/Kconfig 2007-09-25 13:09:18.000000000 -0400 +++ linux-2.6.20.snap/arch/arm/mach-at91rm9200/Kconfig 2007-09-24 17:53:39.000000000 -0400 @@ -179,6 +179,12 @@ config CSB300_WAKE_SW1 If you have a CSB300 connected to your CSB337, this lets SW1 serve as a wakeup button. It uses GPIO. +config RTSCLS + bool "Enable gpio class for the RTS flow control line" + depends on (MACH_SOM9260M) + help + Enable class based control of the RTS flow control line. + # ---------------------------------------------------------- comment "AT91 Feature Selections" diff -uprN linux-2.6.20-at92_e1.2/arch/arm/mach-at91rm9200/Makefile linux-2.6.20.snap/arch/arm/mach-at91rm9200/Makefile --- linux-2.6.20-at92_e1.2/arch/arm/mach-at91rm9200/Makefile 2007-09-25 13:09:18.000000000 -0400 +++ linux-2.6.20.snap/arch/arm/mach-at91rm9200/Makefile 2007-09-20 16:41:16.000000000 -0400 @@ -29,7 +29,7 @@ obj-$(CONFIG_MACH_KAFA) += board-kafa.o # AT91SAM9260 board-specific support obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o -obj-$(CONFIG_MACH_SOM9260M) += board-som9260m.o +obj-$(CONFIG_MACH_SOM9260M) += board-som9260m.o atod-som9260m.o led-som9260m.o # AT91SAM9261 board-specific support obj-$(CONFIG_MACH_AT91SAM9261EK) += board-sam9261ek.o diff -uprN linux-2.6.20-at92_e1.2/arch/arm/mach-at91rm9200/board-som9260m.c linux-2.6.20.snap/arch/arm/mach-at91rm9200/board-som9260m.c --- linux-2.6.20-at92_e1.2/arch/arm/mach-at91rm9200/board-som9260m.c 2007-09-25 13:09:18.000000000 -0400 +++ linux-2.6.20.snap/arch/arm/mach-at91rm9200/board-som9260m.c 2007-09-25 12:59:14.000000000 -0400 @@ -44,6 +44,7 @@ #include #include "generic.h" +#include "atod-som9260m.h" /* @@ -260,6 +261,7 @@ static struct at91_mmc_data __initdata e static struct ecoreex_data som9260m_ecoreex_data = { .key_offset = CPLDKEY, + .irq = AT91SAM9260_ID_IRQ1, }; static struct resource som9260m_ecoreex_resource = { @@ -337,10 +339,6 @@ static inline void set200kclock(void){ clk_enable(tc1_clk);//enable tc1 clock in the pmc - printk("pre AT91_TC_CMR = %x\n",at91_tc_read(tc1 + AT91_TC_CMR)); - - printk("tc1 = %x\n",tc1); - //if(tc1) //tc1 setup for waveform on TCIOB1 at91_tc_write((tc1 + AT91_TC_CMR), @@ -363,22 +361,107 @@ static inline void set200kclock(void){ //enable timer functionality on PC7, TIOB1 at91_set_A_periph(AT91_PIN_PC7, 1); - - printk("post AT91_TC_CMR = %xl\n",at91_sys_read(tc1 + AT91_TC_CMR)); } + + + static inline void at91_add_device_ecoreex4(void){ - printk("at91_add_device_ecoreex4\n"); cs4_setup(); set200kclock(); + at91_set_A_periph(AT91_PIN_PC15, 1);//enable IRQ1 on PC15 platform_device_register(&som9260m_ecoreex_device); } +/************************************************************/ +#ifdef CONFIG_RTSCLS +static int rts_data_write(struct gpio_s *gpio,gpio_data data){ + at91_set_gpio_output(AT91_PIN_PB28,(char)data); + return 0; +} -/************************************************************/ +static gpio_data rts_data_read(struct gpio_s *gpio) + return at91_get_gpio_value(AT91_PIN_PB28); +} +static inline void som9260m_rtscls(void){ + gpio_t *gpio = kmalloc(sizeof(gpio_t),GFP_KERNEL); + memset(gpio,0,sizeof(gpio_t)); + at91_set_gpio_output(AT91_PIN_PB28,1);//rts line + gpio->name = "rtstest"; + gpio->subclass = GPIO_SUBCLASS; + gpio->data_write = rts_data_write; + gpio->data_read = rts_data_read; + printk("registering gpio device: %s\n",gpio->name); + return gpio_register_class_device(gpio); +} + +#else//CONFIG_RTSCLS +#define som9260m_rtscls() +#endif + +static int physw_write(struct gpio_s *gpio,gpio_data data){ + at91_set_gpio_output(AT91_PIN_PA31,(char)data); + return 0; +} + +static gpio_data physw_read(struct gpio_s *gpio){ + return at91_get_gpio_value(AT91_PIN_PA31); +} + +static inline void som9260m_physw(void){ + gpio_t *gpio = kmalloc(sizeof(gpio_t),GFP_KERNEL); + memset(gpio,0,sizeof(gpio_t)); + at91_set_gpio_output(AT91_PIN_PB28,1);//rts line + gpio->name = "physw"; + gpio->subclass = GPIO_SUBCLASS; + gpio->data_write = physw_write; + gpio->data_read = physw_read; + printk("registering gpio device: %s\n",gpio->name); + return gpio_register_class_device(gpio); +} + +/************************************************************ + * device registrations from the arch go here, + * which are called by the boardspec ioex driver + */ +static int som9260m_classes(void) +{ + som9260m_atod_init(); + som9260m_atod_class_create("indexed_atod"); + + som9260m_led_init(); + som9260m_led_class_create("indexed_led"); + + som9260m_rtscls(); + + som9260m_physw(); + + //set wakeup mask to all uarts + set_irq_wake(AT91SAM9260_ID_US0,1); + set_irq_wake(AT91SAM9260_ID_US1,1); + set_irq_wake(AT91SAM9260_ID_US2,1); + set_irq_wake(AT91SAM9260_ID_US3,1); + set_irq_wake(AT91SAM9260_ID_US4,1); + set_irq_wake(AT91SAM9260_ID_US5,1); + + return 0; +} + +static struct platform_device boardspec_device = { + .name = "boardspec", + .id = 1, + .dev = { + .platform_data = &som9260m_classes, + }, +}; + +static inline void at91_add_device_boardspec(void){ + platform_device_register(&boardspec_device); +} +/************************************************************/ static void __init ek_board_init(void) { @@ -398,8 +481,10 @@ static void __init ek_board_init(void) at91_add_device_mmc(0, &ek_mmc_data); /* AT73C213 & SSC port */ at91_add_device_ssc_at73c213(); - + /* EMAC Core Extensions */ at91_add_device_ecoreex4(); + /* Board Specific */ + at91_add_device_boardspec(); }