]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/arm/mach-at91/at91rm9200_devices.c
[ARM] 4909/1: [AT91] Timer/Counter Block platform_devices
[linux-2.6-omap-h63xx.git] / arch / arm / mach-at91 / at91rm9200_devices.c
index cebea41687781e221affda19580d021fc46be4f1..70d3a0018530e5f8ba29f3dd56513e4e7363a269 100644 (file)
@@ -376,7 +376,7 @@ static struct at91_nand_data nand_data;
 static struct resource nand_resources[] = {
        {
                .start  = NAND_BASE,
-               .end    = NAND_BASE + SZ_8M - 1,
+               .end    = NAND_BASE + SZ_256M - 1,
                .flags  = IORESOURCE_MEM,
        }
 };
@@ -558,8 +558,11 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
                else
                        cs_pin = spi_standard_cs[devices[i].chip_select];
 
-               /* enable chip-select pin */
-               at91_set_gpio_output(cs_pin, 1);
+               if (devices[i].chip_select == 0)        /* for CS0 errata */
+                       at91_set_A_periph(cs_pin, 0);
+               else
+                       at91_set_gpio_output(cs_pin, 1);
+
 
                /* pass chip-select pin to driver */
                devices[i].controller_data = (void *) cs_pin;
@@ -573,6 +576,90 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 #endif
 
 
+/* --------------------------------------------------------------------
+ *  Timer/Counter blocks
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb0_resources[] = {
+       [0] = {
+               .start  = AT91RM9200_BASE_TCB0,
+               .end    = AT91RM9200_BASE_TCB0 + SZ_16K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = AT91RM9200_ID_TC0,
+               .end    = AT91RM9200_ID_TC0,
+               .flags  = IORESOURCE_IRQ,
+       },
+       [2] = {
+               .start  = AT91RM9200_ID_TC1,
+               .end    = AT91RM9200_ID_TC1,
+               .flags  = IORESOURCE_IRQ,
+       },
+       [3] = {
+               .start  = AT91RM9200_ID_TC2,
+               .end    = AT91RM9200_ID_TC2,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device at91rm9200_tcb0_device = {
+       .name           = "atmel_tcb",
+       .id             = 0,
+       .resource       = tcb0_resources,
+       .num_resources  = ARRAY_SIZE(tcb0_resources),
+};
+
+static struct resource tcb1_resources[] = {
+       [0] = {
+               .start  = AT91RM9200_BASE_TCB1,
+               .end    = AT91RM9200_BASE_TCB1 + SZ_16K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = AT91RM9200_ID_TC3,
+               .end    = AT91RM9200_ID_TC3,
+               .flags  = IORESOURCE_IRQ,
+       },
+       [2] = {
+               .start  = AT91RM9200_ID_TC4,
+               .end    = AT91RM9200_ID_TC4,
+               .flags  = IORESOURCE_IRQ,
+       },
+       [3] = {
+               .start  = AT91RM9200_ID_TC5,
+               .end    = AT91RM9200_ID_TC5,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device at91rm9200_tcb1_device = {
+       .name           = "atmel_tcb",
+       .id             = 1,
+       .resource       = tcb1_resources,
+       .num_resources  = ARRAY_SIZE(tcb1_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+       /* this chip has a separate clock and irq for each TC channel */
+       at91_clock_associate("tc0_clk", &at91rm9200_tcb0_device.dev, "t0_clk");
+       at91_clock_associate("tc1_clk", &at91rm9200_tcb0_device.dev, "t1_clk");
+       at91_clock_associate("tc2_clk", &at91rm9200_tcb0_device.dev, "t2_clk");
+       platform_device_register(&at91rm9200_tcb0_device);
+
+       at91_clock_associate("tc3_clk", &at91rm9200_tcb1_device.dev, "t0_clk");
+       at91_clock_associate("tc4_clk", &at91rm9200_tcb1_device.dev, "t1_clk");
+       at91_clock_associate("tc5_clk", &at91rm9200_tcb1_device.dev, "t2_clk");
+       platform_device_register(&at91rm9200_tcb1_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
 /* --------------------------------------------------------------------
  *  RTC
  * -------------------------------------------------------------------- */
@@ -613,28 +700,6 @@ static void __init at91_add_device_watchdog(void) {}
 #endif
 
 
-/* --------------------------------------------------------------------
- *  LEDs
- * -------------------------------------------------------------------- */
-
-#if defined(CONFIG_LEDS)
-u8 at91_leds_cpu;
-u8 at91_leds_timer;
-
-void __init at91_init_leds(u8 cpu_led, u8 timer_led)
-{
-       /* Enable GPIO to access the LEDs */
-       at91_set_gpio_output(cpu_led, 1);
-       at91_set_gpio_output(timer_led, 1);
-
-       at91_leds_cpu   = cpu_led;
-       at91_leds_timer = timer_led;
-}
-#else
-void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
-#endif
-
-
 /* --------------------------------------------------------------------
  *  SSC -- Synchronous Serial Controller
  * -------------------------------------------------------------------- */
@@ -884,17 +949,21 @@ static struct platform_device at91rm9200_uart0_device = {
        .num_resources  = ARRAY_SIZE(uart0_resources),
 };
 
-static inline void configure_usart0_pins(void)
+static inline void configure_usart0_pins(unsigned pins)
 {
        at91_set_A_periph(AT91_PIN_PA17, 1);            /* TXD0 */
        at91_set_A_periph(AT91_PIN_PA18, 0);            /* RXD0 */
-       at91_set_A_periph(AT91_PIN_PA20, 0);            /* CTS0 */
 
-       /*
-        * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21.
-        *  We need to drive the pin manually.  Default is off (RTS is active low).
-        */
-       at91_set_gpio_output(AT91_PIN_PA21, 1);
+       if (pins & ATMEL_UART_CTS)
+               at91_set_A_periph(AT91_PIN_PA20, 0);    /* CTS0 */
+
+       if (pins & ATMEL_UART_RTS) {
+               /*
+                * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21.
+                *  We need to drive the pin manually.  Default is off (RTS is active low).
+                */
+               at91_set_gpio_output(AT91_PIN_PA21, 1);
+       }
 }
 
 static struct resource uart1_resources[] = {
@@ -929,16 +998,23 @@ static struct platform_device at91rm9200_uart1_device = {
        .num_resources  = ARRAY_SIZE(uart1_resources),
 };
 
-static inline void configure_usart1_pins(void)
+static inline void configure_usart1_pins(unsigned pins)
 {
-       at91_set_A_periph(AT91_PIN_PB18, 0);            /* RI1 */
-       at91_set_A_periph(AT91_PIN_PB19, 0);            /* DTR1 */
        at91_set_A_periph(AT91_PIN_PB20, 1);            /* TXD1 */
        at91_set_A_periph(AT91_PIN_PB21, 0);            /* RXD1 */
-       at91_set_A_periph(AT91_PIN_PB23, 0);            /* DCD1 */
-       at91_set_A_periph(AT91_PIN_PB24, 0);            /* CTS1 */
-       at91_set_A_periph(AT91_PIN_PB25, 0);            /* DSR1 */
-       at91_set_A_periph(AT91_PIN_PB26, 0);            /* RTS1 */
+
+       if (pins & ATMEL_UART_RI)
+               at91_set_A_periph(AT91_PIN_PB18, 0);    /* RI1 */
+       if (pins & ATMEL_UART_DTR)
+               at91_set_A_periph(AT91_PIN_PB19, 0);    /* DTR1 */
+       if (pins & ATMEL_UART_DCD)
+               at91_set_A_periph(AT91_PIN_PB23, 0);    /* DCD1 */
+       if (pins & ATMEL_UART_CTS)
+               at91_set_A_periph(AT91_PIN_PB24, 0);    /* CTS1 */
+       if (pins & ATMEL_UART_DSR)
+               at91_set_A_periph(AT91_PIN_PB25, 0);    /* DSR1 */
+       if (pins & ATMEL_UART_RTS)
+               at91_set_A_periph(AT91_PIN_PB26, 0);    /* RTS1 */
 }
 
 static struct resource uart2_resources[] = {
@@ -973,10 +1049,15 @@ static struct platform_device at91rm9200_uart2_device = {
        .num_resources  = ARRAY_SIZE(uart2_resources),
 };
 
-static inline void configure_usart2_pins(void)
+static inline void configure_usart2_pins(unsigned pins)
 {
        at91_set_A_periph(AT91_PIN_PA22, 0);            /* RXD2 */
        at91_set_A_periph(AT91_PIN_PA23, 1);            /* TXD2 */
+
+       if (pins & ATMEL_UART_CTS)
+               at91_set_B_periph(AT91_PIN_PA30, 0);    /* CTS2 */
+       if (pins & ATMEL_UART_RTS)
+               at91_set_B_periph(AT91_PIN_PA31, 0);    /* RTS2 */
 }
 
 static struct resource uart3_resources[] = {
@@ -1011,16 +1092,21 @@ static struct platform_device at91rm9200_uart3_device = {
        .num_resources  = ARRAY_SIZE(uart3_resources),
 };
 
-static inline void configure_usart3_pins(void)
+static inline void configure_usart3_pins(unsigned pins)
 {
        at91_set_B_periph(AT91_PIN_PA5, 1);             /* TXD3 */
        at91_set_B_periph(AT91_PIN_PA6, 0);             /* RXD3 */
+
+       if (pins & ATMEL_UART_CTS)
+               at91_set_B_periph(AT91_PIN_PB1, 0);     /* CTS3 */
+       if (pins & ATMEL_UART_RTS)
+               at91_set_B_periph(AT91_PIN_PB0, 0);     /* RTS3 */
 }
 
 static struct platform_device *at91_uarts[ATMEL_MAX_UART];     /* the UARTs to use */
 struct platform_device *atmel_default_console_device;  /* the serial console device */
 
-void __init at91_init_serial(struct at91_uart_config *config)
+void __init __deprecated at91_init_serial(struct at91_uart_config *config)
 {
        int i;
 
@@ -1028,22 +1114,22 @@ void __init at91_init_serial(struct at91_uart_config *config)
        for (i = 0; i < config->nr_tty; i++) {
                switch (config->tty_map[i]) {
                        case 0:
-                               configure_usart0_pins();
+                               configure_usart0_pins(ATMEL_UART_CTS | ATMEL_UART_RTS);
                                at91_uarts[i] = &at91rm9200_uart0_device;
                                at91_clock_associate("usart0_clk", &at91rm9200_uart0_device.dev, "usart");
                                break;
                        case 1:
-                               configure_usart1_pins();
+                               configure_usart1_pins(ATMEL_UART_CTS | ATMEL_UART_RTS | ATMEL_UART_DSR | ATMEL_UART_DTR | ATMEL_UART_DCD | ATMEL_UART_RI);
                                at91_uarts[i] = &at91rm9200_uart1_device;
                                at91_clock_associate("usart1_clk", &at91rm9200_uart1_device.dev, "usart");
                                break;
                        case 2:
-                               configure_usart2_pins();
+                               configure_usart2_pins(0);
                                at91_uarts[i] = &at91rm9200_uart2_device;
                                at91_clock_associate("usart2_clk", &at91rm9200_uart2_device.dev, "usart");
                                break;
                        case 3:
-                               configure_usart3_pins();
+                               configure_usart3_pins(0);
                                at91_uarts[i] = &at91rm9200_uart3_device;
                                at91_clock_associate("usart3_clk", &at91rm9200_uart3_device.dev, "usart");
                                break;
@@ -1065,6 +1151,53 @@ void __init at91_init_serial(struct at91_uart_config *config)
                printk(KERN_INFO "AT91: No default serial console defined.\n");
 }
 
+void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
+{
+       struct platform_device *pdev;
+
+       switch (id) {
+               case 0:         /* DBGU */
+                       pdev = &at91rm9200_dbgu_device;
+                       configure_dbgu_pins();
+                       at91_clock_associate("mck", &pdev->dev, "usart");
+                       break;
+               case AT91RM9200_ID_US0:
+                       pdev = &at91rm9200_uart0_device;
+                       configure_usart0_pins(pins);
+                       at91_clock_associate("usart0_clk", &pdev->dev, "usart");
+                       break;
+               case AT91RM9200_ID_US1:
+                       pdev = &at91rm9200_uart1_device;
+                       configure_usart1_pins(pins);
+                       at91_clock_associate("usart1_clk", &pdev->dev, "usart");
+                       break;
+               case AT91RM9200_ID_US2:
+                       pdev = &at91rm9200_uart2_device;
+                       configure_usart2_pins(pins);
+                       at91_clock_associate("usart2_clk", &pdev->dev, "usart");
+                       break;
+               case AT91RM9200_ID_US3:
+                       pdev = &at91rm9200_uart3_device;
+                       configure_usart3_pins(pins);
+                       at91_clock_associate("usart3_clk", &pdev->dev, "usart");
+                       break;
+               default:
+                       return;
+       }
+       pdev->id = portnr;              /* update to mapped ID */
+
+       if (portnr < ATMEL_MAX_UART)
+               at91_uarts[portnr] = pdev;
+}
+
+void __init at91_set_serial_console(unsigned portnr)
+{
+       if (portnr < ATMEL_MAX_UART)
+               atmel_default_console_device = at91_uarts[portnr];
+       if (!atmel_default_console_device)
+               printk(KERN_INFO "AT91: No default serial console defined.\n");
+}
+
 void __init at91_add_device_serial(void)
 {
        int i;
@@ -1075,7 +1208,9 @@ void __init at91_add_device_serial(void)
        }
 }
 #else
-void __init at91_init_serial(struct at91_uart_config *config) {}
+void __init __deprecated at91_init_serial(struct at91_uart_config *config) {}
+void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
+void __init at91_set_serial_console(unsigned portnr) {}
 void __init at91_add_device_serial(void) {}
 #endif
 
@@ -1090,6 +1225,7 @@ static int __init at91_add_standard_devices(void)
 {
        at91_add_device_rtc();
        at91_add_device_watchdog();
+       at91_add_device_tc();
        return 0;
 }