diff options
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/mach-at91/Kconfig.non_dt | 114 | ||||
| -rw-r--r-- | arch/arm/mach-at91/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91rm9200.c | 341 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91rm9200_devices.c | 1212 |
5 files changed, 0 insertions, 1674 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 162a88930a8..db8e756a15a 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -185,11 +185,6 @@ config SOC_AT91SAM9N12 # ---------------------------------------------------------- endif # SOC_SAM_V4_V5 - -if SOC_SAM_V4_V5 -source arch/arm/mach-at91/Kconfig.non_dt -endif - comment "Generic Board Type" config MACH_AT91RM9200_DT diff --git a/arch/arm/mach-at91/Kconfig.non_dt b/arch/arm/mach-at91/Kconfig.non_dt deleted file mode 100644 index 5fc138da89f..00000000000 --- a/arch/arm/mach-at91/Kconfig.non_dt +++ /dev/null @@ -1,114 +0,0 @@ -menu "Atmel Non-DT world" - -config HAVE_AT91_DATAFLASH_CARD - bool - -choice - prompt "Atmel AT91 Processor Devices for non DT boards" - -config ARCH_AT91_NONE - bool "None" - -config ARCH_AT91RM9200 - bool "AT91RM9200" - select SOC_AT91RM9200 - select AT91_USE_OLD_CLK - select OLD_IRQ_AT91 - -endchoice - -# ---------------------------------------------------------- - -if ARCH_AT91RM9200 - -comment "AT91RM9200 Board Type" - -config MACH_ONEARM - bool "Ajeco 1ARM Single Board Computer" - help - Select this if you are using Ajeco's 1ARM Single Board Computer. - <http://www.ajeco.fi/> - -config MACH_AT91RM9200EK - bool "Atmel AT91RM9200-EK Evaluation Kit" - select HAVE_AT91_DATAFLASH_CARD - help - Select this if you are using Atmel's AT91RM9200-EK Evaluation Kit. - <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3507> - -config MACH_CSB337 - bool "Cogent CSB337" - help - Select this if you are using Cogent's CSB337 board. - <http://www.cogcomp.com/csb_csb337.htm> - -config MACH_CSB637 - bool "Cogent CSB637" - help - Select this if you are using Cogent's CSB637 board. - <http://www.cogcomp.com/csb_csb637.htm> - -config MACH_CARMEVA - bool "Conitec ARM&EVA" - help - Select this if you are using Conitec's AT91RM9200-MCU-Module. - <http://www.conitec.net/english/linuxboard.php> - -config MACH_ATEB9200 - bool "Embest ATEB9200" - help - Select this if you are using Embest's ATEB9200 board. - <http://www.embedinfo.com/english/product/ATEB9200.asp> - -config MACH_KB9200 - bool "KwikByte KB920x" - help - Select this if you are using KwikByte's KB920x board. - <http://www.kwikbyte.com/KB9202.html> - -config MACH_PICOTUX2XX - bool "picotux 200" - help - Select this if you are using a picotux 200. - <http://www.picotux.com/> - -config MACH_KAFA - bool "Sperry-Sun KAFA board" - help - Select this if you are using Sperry-Sun's KAFA board. - -config MACH_ECBAT91 - bool "emQbit ECB_AT91 SBC" - select HAVE_AT91_DATAFLASH_CARD - help - Select this if you are using emQbit's ECB_AT91 board. - <http://wiki.emqbit.com/free-ecb-at91> - -config MACH_YL9200 - bool "ucDragon YL-9200" - help - Select this if you are using the ucDragon YL-9200 board. - -config MACH_CPUAT91 - bool "Eukrea CPUAT91" - help - Select this if you are using the Eukrea Electromatique's - CPUAT91 board <http://www.eukrea.com/>. - -config MACH_ECO920 - bool "eco920" - help - Select this if you are using the eco920 board -endif - -# ---------------------------------------------------------- - -comment "AT91 Board Options" - -config MTD_AT91_DATAFLASH_CARD - bool "Enable DataFlash Card support" - depends on HAVE_AT91_DATAFLASH_CARD - help - Enable support for the DataFlash card. - -endmenu diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 016d9a126eb..edc5b21f215 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -20,8 +20,6 @@ obj-$(CONFIG_SOC_AT91SAM9RL) += at91sam9rl.o obj-$(CONFIG_SOC_SAMA5D3) += sama5d3.o obj-$(CONFIG_SOC_SAMA5D4) += sama5d4.o -obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200_devices.o - # AT91SAM board with device-tree obj-$(CONFIG_MACH_AT91RM9200_DT) += board-dt-rm9200.o obj-$(CONFIG_MACH_AT91SAM9_DT) += board-dt-sam9.o diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index 038702ee8bc..b5291694753 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -11,296 +11,15 @@ */ #include <linux/module.h> -#include <linux/reboot.h> #include <linux/clk/at91_pmc.h> -#include <asm/irq.h> -#include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/system_misc.h> -#include <mach/at91rm9200.h> #include <mach/at91_st.h> -#include <mach/cpu.h> #include <mach/hardware.h> -#include "at91_aic.h" #include "soc.h" #include "generic.h" -#include "sam9_smc.h" -#include "pm.h" - -#if defined(CONFIG_OLD_CLK_AT91) -#include "clock.h" -/* -------------------------------------------------------------------- - * Clocks - * -------------------------------------------------------------------- */ - -/* - * The peripheral clocks. - */ -static struct clk udc_clk = { - .name = "udc_clk", - .pmc_mask = 1 << AT91RM9200_ID_UDP, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk ohci_clk = { - .name = "ohci_clk", - .pmc_mask = 1 << AT91RM9200_ID_UHP, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk ether_clk = { - .name = "ether_clk", - .pmc_mask = 1 << AT91RM9200_ID_EMAC, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk mmc_clk = { - .name = "mci_clk", - .pmc_mask = 1 << AT91RM9200_ID_MCI, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk twi_clk = { - .name = "twi_clk", - .pmc_mask = 1 << AT91RM9200_ID_TWI, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart0_clk = { - .name = "usart0_clk", - .pmc_mask = 1 << AT91RM9200_ID_US0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart1_clk = { - .name = "usart1_clk", - .pmc_mask = 1 << AT91RM9200_ID_US1, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart2_clk = { - .name = "usart2_clk", - .pmc_mask = 1 << AT91RM9200_ID_US2, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart3_clk = { - .name = "usart3_clk", - .pmc_mask = 1 << AT91RM9200_ID_US3, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk spi_clk = { - .name = "spi_clk", - .pmc_mask = 1 << AT91RM9200_ID_SPI, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pioA_clk = { - .name = "pioA_clk", - .pmc_mask = 1 << AT91RM9200_ID_PIOA, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pioB_clk = { - .name = "pioB_clk", - .pmc_mask = 1 << AT91RM9200_ID_PIOB, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pioC_clk = { - .name = "pioC_clk", - .pmc_mask = 1 << AT91RM9200_ID_PIOC, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pioD_clk = { - .name = "pioD_clk", - .pmc_mask = 1 << AT91RM9200_ID_PIOD, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk ssc0_clk = { - .name = "ssc0_clk", - .pmc_mask = 1 << AT91RM9200_ID_SSC0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk ssc1_clk = { - .name = "ssc1_clk", - .pmc_mask = 1 << AT91RM9200_ID_SSC1, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk ssc2_clk = { - .name = "ssc2_clk", - .pmc_mask = 1 << AT91RM9200_ID_SSC2, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tc0_clk = { - .name = "tc0_clk", - .pmc_mask = 1 << AT91RM9200_ID_TC0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tc1_clk = { - .name = "tc1_clk", - .pmc_mask = 1 << AT91RM9200_ID_TC1, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tc2_clk = { - .name = "tc2_clk", - .pmc_mask = 1 << AT91RM9200_ID_TC2, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tc3_clk = { - .name = "tc3_clk", - .pmc_mask = 1 << AT91RM9200_ID_TC3, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tc4_clk = { - .name = "tc4_clk", - .pmc_mask = 1 << AT91RM9200_ID_TC4, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tc5_clk = { - .name = "tc5_clk", - .pmc_mask = 1 << AT91RM9200_ID_TC5, - .type = CLK_TYPE_PERIPHERAL, -}; - -static struct clk *periph_clocks[] __initdata = { - &pioA_clk, - &pioB_clk, - &pioC_clk, - &pioD_clk, - &usart0_clk, - &usart1_clk, - &usart2_clk, - &usart3_clk, - &mmc_clk, - &udc_clk, - &twi_clk, - &spi_clk, - &ssc0_clk, - &ssc1_clk, - &ssc2_clk, - &tc0_clk, - &tc1_clk, - &tc2_clk, - &tc3_clk, - &tc4_clk, - &tc5_clk, - &ohci_clk, - ðer_clk, - // irq0 .. irq6 -}; - -static struct clk_lookup periph_clocks_lookups[] = { - CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk), - CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk), - CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk), - CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tc3_clk), - CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk), - CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk), - CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.0", &ssc0_clk), - CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.1", &ssc1_clk), - CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.2", &ssc2_clk), - CLKDEV_CON_DEV_ID("pclk", "fffd0000.ssc", &ssc0_clk), - CLKDEV_CON_DEV_ID("pclk", "fffd4000.ssc", &ssc1_clk), - CLKDEV_CON_DEV_ID("pclk", "fffd8000.ssc", &ssc2_clk), - CLKDEV_CON_DEV_ID(NULL, "i2c-at91rm9200.0", &twi_clk), - /* fake hclk clock */ - CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk), - CLKDEV_CON_ID("pioA", &pioA_clk), - CLKDEV_CON_ID("pioB", &pioB_clk), - CLKDEV_CON_ID("pioC", &pioC_clk), - CLKDEV_CON_ID("pioD", &pioD_clk), - /* usart lookup table for DT entries */ - CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck), - CLKDEV_CON_DEV_ID("usart", "fffc0000.serial", &usart0_clk), - CLKDEV_CON_DEV_ID("usart", "fffc4000.serial", &usart1_clk), - CLKDEV_CON_DEV_ID("usart", "fffc8000.serial", &usart2_clk), - CLKDEV_CON_DEV_ID("usart", "fffcc000.serial", &usart3_clk), - /* tc lookup table for DT entries */ - CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk), - CLKDEV_CON_DEV_ID("t1_clk", "fffa0000.timer", &tc1_clk), - CLKDEV_CON_DEV_ID("t2_clk", "fffa0000.timer", &tc2_clk), - CLKDEV_CON_DEV_ID("t0_clk", "fffa4000.timer", &tc3_clk), - CLKDEV_CON_DEV_ID("t1_clk", "fffa4000.timer", &tc4_clk), - CLKDEV_CON_DEV_ID("t2_clk", "fffa4000.timer", &tc5_clk), - CLKDEV_CON_DEV_ID("mci_clk", "fffb4000.mmc", &mmc_clk), - CLKDEV_CON_DEV_ID("emac_clk", "fffbc000.ethernet", ðer_clk), - CLKDEV_CON_DEV_ID(NULL, "fffb8000.i2c", &twi_clk), - CLKDEV_CON_DEV_ID("hclk", "300000.ohci", &ohci_clk), - CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioA_clk), - CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioB_clk), - CLKDEV_CON_DEV_ID(NULL, "fffff800.gpio", &pioC_clk), - CLKDEV_CON_DEV_ID(NULL, "fffffa00.gpio", &pioD_clk), -}; - -static struct clk_lookup usart_clocks_lookups[] = { - CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck), - CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk), - CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk), - CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk), - CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk), -}; - -/* - * The four programmable clocks. - * You must configure pin multiplexing to bring these signals out. - */ -static struct clk pck0 = { - .name = "pck0", - .pmc_mask = AT91_PMC_PCK0, - .type = CLK_TYPE_PROGRAMMABLE, - .id = 0, -}; -static struct clk pck1 = { - .name = "pck1", - .pmc_mask = AT91_PMC_PCK1, - .type = CLK_TYPE_PROGRAMMABLE, - .id = 1, -}; -static struct clk pck2 = { - .name = "pck2", - .pmc_mask = AT91_PMC_PCK2, - .type = CLK_TYPE_PROGRAMMABLE, - .id = 2, -}; -static struct clk pck3 = { - .name = "pck3", - .pmc_mask = AT91_PMC_PCK3, - .type = CLK_TYPE_PROGRAMMABLE, - .id = 3, -}; - -static void __init at91rm9200_register_clocks(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) - clk_register(periph_clocks[i]); - - clkdev_add_table(periph_clocks_lookups, - ARRAY_SIZE(periph_clocks_lookups)); - clkdev_add_table(usart_clocks_lookups, - ARRAY_SIZE(usart_clocks_lookups)); - - clk_register(&pck0); - clk_register(&pck1); - clk_register(&pck2); - clk_register(&pck3); -} -#else -#define at91rm9200_register_clocks NULL -#endif - -/* -------------------------------------------------------------------- - * GPIO - * -------------------------------------------------------------------- */ - -static struct at91_gpio_bank at91rm9200_gpio[] __initdata = { - { - .id = AT91RM9200_ID_PIOA, - .regbase = AT91RM9200_BASE_PIOA, - }, { - .id = AT91RM9200_ID_PIOB, - .regbase = AT91RM9200_BASE_PIOB, - }, { - .id = AT91RM9200_ID_PIOC, - .regbase = AT91RM9200_BASE_PIOC, - }, { - .id = AT91RM9200_ID_PIOD, - .regbase = AT91RM9200_BASE_PIOD, - } -}; static void at91rm9200_idle(void) { @@ -329,74 +48,14 @@ static void __init at91rm9200_map_io(void) at91_init_sram(0, AT91RM9200_SRAM_BASE, AT91RM9200_SRAM_SIZE); } -static void __init at91rm9200_ioremap_registers(void) -{ - at91rm9200_ioremap_st(AT91RM9200_BASE_ST); - at91_ioremap_ramc(0, AT91RM9200_BASE_MC, 256); - at91_pm_set_standby(at91rm9200_standby); -} - static void __init at91rm9200_initialize(void) { arm_pm_idle = at91rm9200_idle; arm_pm_restart = at91rm9200_restart; - - /* Initialize GPIO subsystem */ - at91_gpio_init(at91rm9200_gpio, - cpu_is_at91rm9200_bga() ? AT91RM9200_BGA : AT91RM9200_PQFP); } -/* -------------------------------------------------------------------- - * Interrupt initialization - * -------------------------------------------------------------------- */ - -/* - * The default interrupt priority levels (0 = lowest, 7 = highest). - */ -static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = { - 7, /* Advanced Interrupt Controller (FIQ) */ - 7, /* System Peripherals */ - 1, /* Parallel IO Controller A */ - 1, /* Parallel IO Controller B */ - 1, /* Parallel IO Controller C */ - 1, /* Parallel IO Controller D */ - 5, /* USART 0 */ - 5, /* USART 1 */ - 5, /* USART 2 */ - 5, /* USART 3 */ - 0, /* Multimedia Card Interface */ - 2, /* USB Device Port */ - 6, /* Two-Wire Interface */ - 5, /* Serial Peripheral Interface */ - 4, /* Serial Synchronous Controller 0 */ - 4, /* Serial Synchronous Controller 1 */ - 4, /* Serial Synchronous Controller 2 */ - 0, /* Timer Counter 0 */ - 0, /* Timer Counter 1 */ - 0, /* Timer Counter 2 */ - 0, /* Timer Counter 3 */ - 0, /* Timer Counter 4 */ - 0, /* Timer Counter 5 */ - 2, /* USB Host port */ - 3, /* Ethernet MAC */ - 0, /* Advanced Interrupt Controller (IRQ0) */ - 0, /* Advanced Interrupt Controller (IRQ1) */ - 0, /* Advanced Interrupt Controller (IRQ2) */ - 0, /* Advanced Interrupt Controller (IRQ3) */ - 0, /* Advanced Interrupt Controller (IRQ4) */ - 0, /* Advanced Interrupt Controller (IRQ5) */ - 0 /* Advanced Interrupt Controller (IRQ6) */ -}; - AT91_SOC_START(at91rm9200) .map_io = at91rm9200_map_io, - .default_irq_priority = at91rm9200_default_irq_priority, - .extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1) - | (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3) - | (1 << AT91RM9200_ID_IRQ4) | (1 << AT91RM9200_ID_IRQ5) - | (1 << AT91RM9200_ID_IRQ6), - .ioremap_registers = at91rm9200_ioremap_registers, - .register_clocks = at91rm9200_register_clocks, .init = at91rm9200_initialize, AT91_SOC_END diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c deleted file mode 100644 index 74f1eaf9780..00000000000 --- a/arch/arm/mach-at91/at91rm9200_devices.c +++ /dev/null @@ -1,1212 +0,0 @@ -/* - * arch/arm/mach-at91/at91rm9200_devices.c - * - * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org> - * Copyright (C) 2005 David Brownell - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - */ -#include <asm/mach/arch.h> -#include <asm/mach/map.h> - -#include <linux/dma-mapping.h> -#include <linux/gpio.h> -#include <linux/gpio/machine.h> -#include <linux/platform_device.h> -#include <linux/i2c-gpio.h> - -#include <mach/at91rm9200.h> -#include <mach/at91rm9200_mc.h> -#include <mach/at91_ramc.h> -#include <mach/hardware.h> - -#include "board.h" -#include "generic.h" -#include "gpio.h" - - -/* -------------------------------------------------------------------- - * USB Host - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) -static u64 ohci_dmamask = DMA_BIT_MASK(32); -static struct at91_usbh_data usbh_data; - -static struct resource usbh_resources[] = { - [0] = { - .start = AT91RM9200_UHP_BASE, - .end = AT91RM9200_UHP_BASE + SZ_1M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_UHP, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_UHP, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91rm9200_usbh_device = { - .name = "at91_ohci", - .id = -1, - .dev = { - .dma_mask = &ohci_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &usbh_data, - }, - .resource = usbh_resources, - .num_resources = ARRAY_SIZE(usbh_resources), -}; - -void __init at91_add_device_usbh(struct at91_usbh_data *data) -{ - int i; - - if (!data) - return; - - /* Enable overcurrent notification */ - for (i = 0; i < data->ports; i++) { - if (gpio_is_valid(data->overcurrent_pin[i])) - at91_set_gpio_input(data->overcurrent_pin[i], 1); - } - - usbh_data = *data; - platform_device_register(&at91rm9200_usbh_device); -} -#else -void __init at91_add_device_usbh(struct at91_usbh_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * USB Device (Gadget) - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE) -static struct at91_udc_data udc_data; - -static struct resource udc_resources[] = { - [0] = { - .start = AT91RM9200_BASE_UDP, - .end = AT91RM9200_BASE_UDP + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_UDP, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_UDP, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91rm9200_udc_device = { - .name = "at91_udc", - .id = -1, - .dev = { - .platform_data = &udc_data, - }, - .resource = udc_resources, - .num_resources = ARRAY_SIZE(udc_resources), -}; - -void __init at91_add_device_udc(struct at91_udc_data *data) -{ - if (!data) - return; - - if (gpio_is_valid(data->vbus_pin)) { - at91_set_gpio_input(data->vbus_pin, 0); - at91_set_deglitch(data->vbus_pin, 1); - } - if (gpio_is_valid(data->pullup_pin)) - at91_set_gpio_output(data->pullup_pin, 0); - - udc_data = *data; - platform_device_register(&at91rm9200_udc_device); -} -#else -void __init at91_add_device_udc(struct at91_udc_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * Ethernet - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_ARM_AT91_ETHER) || defined(CONFIG_ARM_AT91_ETHER_MODULE) -static u64 eth_dmamask = DMA_BIT_MASK(32); -static struct macb_platform_data eth_data; - -static struct resource eth_resources[] = { - [0] = { - .start = AT91RM9200_BASE_EMAC, - .end = AT91RM9200_BASE_EMAC + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_EMAC, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_EMAC, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91rm9200_eth_device = { - .name = "at91_ether", - .id = -1, - .dev = { - .dma_mask = ð_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = ð_data, - }, - .resource = eth_resources, - .num_resources = ARRAY_SIZE(eth_resources), -}; - -void __init at91_add_device_eth(struct macb_platform_data *data) -{ - if (!data) - return; - - if (gpio_is_valid(data->phy_irq_pin)) { - at91_set_gpio_input(data->phy_irq_pin, 0); - at91_set_deglitch(data->phy_irq_pin, 1); - } - - /* Pins used for MII and RMII */ - at91_set_A_periph(AT91_PIN_PA16, 0); /* EMDIO */ - at91_set_A_periph(AT91_PIN_PA15, 0); /* EMDC */ - at91_set_A_periph(AT91_PIN_PA14, 0); /* ERXER */ - at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */ - at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */ - at91_set_A_periph(AT91_PIN_PA11, 0); /* ECRS_ECRSDV */ - at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX1 */ - at91_set_A_periph(AT91_PIN_PA9, 0); /* ETX0 */ - at91_set_A_periph(AT91_PIN_PA8, 0); /* ETXEN */ - at91_set_A_periph(AT91_PIN_PA7, 0); /* ETXCK_EREFCK */ - - if (!data->is_rmii) { - at91_set_B_periph(AT91_PIN_PB19, 0); /* ERXCK */ - at91_set_B_periph(AT91_PIN_PB18, 0); /* ECOL */ - at91_set_B_periph(AT91_PIN_PB17, 0); /* ERXDV */ - at91_set_B_periph(AT91_PIN_PB16, 0); /* ERX3 */ - at91_set_B_periph(AT91_PIN_PB15, 0); /* ERX2 */ - at91_set_B_periph(AT91_PIN_PB14, 0); /* ETXER */ - at91_set_B_periph(AT91_PIN_PB13, 0); /* ETX3 */ - at91_set_B_periph(AT91_PIN_PB12, 0); /* ETX2 */ - } - - eth_data = *data; - platform_device_register(&at91rm9200_eth_device); -} -#else -void __init at91_add_device_eth(struct macb_platform_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * Compact Flash / PCMCIA - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) -static struct at91_cf_data cf_data; - -#define CF_BASE AT91_CHIPSELECT_4 - -static struct resource cf_resources[] = { - [0] = { - .start = CF_BASE, - /* ties up CS4, CS5 and CS6 */ - .end = CF_BASE + (0x30000000 - 1), - .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, - }, -}; - -static struct platform_device at91rm9200_cf_device = { - .name = "at91_cf", - .id = -1, - .dev = { - .platform_data = &cf_data, - }, - .resource = cf_resources, - .num_resources = ARRAY_SIZE(cf_resources), -}; - -void __init at91_add_device_cf(struct at91_cf_data *data) -{ - unsigned int csa; - - if (!data) - return; - - data->chipselect = 4; /* can only use EBI ChipSelect 4 */ - - /* CF takes over CS4, CS5, CS6 */ - csa = at91_ramc_read(0, AT91_EBI_CSA); - at91_ramc_write(0, AT91_EBI_CSA, csa | AT91_EBI_CS4A_SMC_COMPACTFLASH); - - /* - * Static memory controller timing adjustments. - * REVISIT: these timings are in terms of MCK cycles, so - * when MCK changes (cpufreq etc) so must these values... - */ - at91_ramc_write(0, AT91_SMC_CSR(4), - AT91_SMC_ACSS_STD - | AT91_SMC_DBW_16 - | AT91_SMC_BAT - | AT91_SMC_WSEN - | AT91_SMC_NWS_(32) /* wait states */ - | AT91_SMC_RWSETUP_(6) /* setup time */ - | AT91_SMC_RWHOLD_(4) /* hold time */ - ); - - /* input/irq */ - if (gpio_is_valid(data->irq_pin)) { - at91_set_gpio_input(data->irq_pin, 1); - at91_set_deglitch(data->irq_pin, 1); - } - at91_set_gpio_input(data->det_pin, 1); - at91_set_deglitch(data->det_pin, 1); - - /* outputs, initially off */ - if (gpio_is_valid(data->vcc_pin)) - at91_set_gpio_output(data->vcc_pin, 0); - at91_set_gpio_output(data->rst_pin, 0); - - /* force poweron defaults for these pins ... */ - at91_set_A_periph(AT91_PIN_PC9, 0); /* A25/CFRNW */ - at91_set_A_periph(AT91_PIN_PC10, 0); /* NCS4/CFCS */ - at91_set_A_periph(AT91_PIN_PC11, 0); /* NCS5/CFCE1 */ - at91_set_A_periph(AT91_PIN_PC12, 0); /* NCS6/CFCE2 */ - - /* nWAIT is _not_ a default setting */ - at91_set_A_periph(AT91_PIN_PC6, 1); /* nWAIT */ - - cf_data = *data; - platform_device_register(&at91rm9200_cf_device); -} -#else -void __init at91_add_device_cf(struct at91_cf_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * MMC / SD - * -------------------------------------------------------------------- */ - -#if IS_ENABLED(CONFIG_MMC_ATMELMCI) -static u64 mmc_dmamask = DMA_BIT_MASK(32); -static struct mci_platform_data mmc_data; - -static struct resource mmc_resources[] = { - [0] = { - .start = AT91RM9200_BASE_MCI, - .end = AT91RM9200_BASE_MCI + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_MCI, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_MCI, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91rm9200_mmc_device = { - .name = "atmel_mci", - .id = -1, - .dev = { - .dma_mask = &mmc_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &mmc_data, - }, - .resource = mmc_resources, - .num_resources = ARRAY_SIZE(mmc_resources), -}; - -void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) -{ - unsigned int i; - unsigned int slot_count = 0; - - if (!data) - return; - - for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) { - - if (!data->slot[i].bus_width) - continue; - - /* input/irq */ - if (gpio_is_valid(data->slot[i].detect_pin)) { - at91_set_gpio_input(data->slot[i].detect_pin, 1); - at91_set_deglitch(data->slot[i].detect_pin, 1); - } - if (gpio_is_valid(data->slot[i].wp_pin)) - at91_set_gpio_input(data->slot[i].wp_pin, 1); - - switch (i) { - case 0: /* slot A */ - /* CMD */ - at91_set_A_periph(AT91_PIN_PA28, 1); - /* DAT0, maybe DAT1..DAT3 */ - at91_set_A_periph(AT91_PIN_PA29, 1); - if (data->slot[i].bus_width == 4) { - at91_set_B_periph(AT91_PIN_PB3, 1); - at91_set_B_periph(AT91_PIN_PB4, 1); - at91_set_B_periph(AT91_PIN_PB5, 1); - } - slot_count++; - break; - case 1: /* slot B */ - /* CMD */ - at91_set_B_periph(AT91_PIN_PA8, 1); - /* DAT0, maybe DAT1..DAT3 */ - at91_set_B_periph(AT91_PIN_PA9, 1); - if (data->slot[i].bus_width == 4) { - at91_set_B_periph(AT91_PIN_PA10, 1); - at91_set_B_periph(AT91_PIN_PA11, 1); - at91_set_B_periph(AT91_PIN_PA12, 1); - } - slot_count++; - break; - default: - printk(KERN_ERR - "AT91: SD/MMC slot %d not available\n", i); - break; - } - if (slot_count) { - /* CLK */ - at91_set_A_periph(AT91_PIN_PA27, 0); - - mmc_data = *data; - platform_device_register(&at91rm9200_mmc_device); - } - } - -} -#else -void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * NAND / SmartMedia - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) -static struct atmel_nand_data nand_data; - -#define NAND_BASE AT91_CHIPSELECT_3 - -static struct resource nand_resources[] = { - { - .start = NAND_BASE, - .end = NAND_BASE + SZ_256M - 1, - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device at91rm9200_nand_device = { - .name = "atmel_nand", - .id = -1, - .dev = { - .platform_data = &nand_data, - }, - .resource = nand_resources, - .num_resources = ARRAY_SIZE(nand_resources), -}; - -void __init at91_add_device_nand(struct atmel_nand_data *data) -{ - unsigned int csa; - - if (!data) - return; - - /* enable the address range of CS3 */ - csa = at91_ramc_read(0, AT91_EBI_CSA); - at91_ramc_write(0, AT91_EBI_CSA, csa | AT91_EBI_CS3A_SMC_SMARTMEDIA); - - /* set the bus interface characteristics */ - at91_ramc_write(0, AT91_SMC_CSR(3), AT91_SMC_ACSS_STD | AT91_SMC_DBW_8 | AT91_SMC_WSEN - | AT91_SMC_NWS_(5) - | AT91_SMC_TDF_(1) - | AT91_SMC_RWSETUP_(0) /* tDS Data Set up Time 30 - ns */ - | AT91_SMC_RWHOLD_(1) /* tDH Data Hold Time 20 - ns */ - ); - - /* enable pin */ - if (gpio_is_valid(data->enable_pin)) - at91_set_gpio_output(data->enable_pin, 1); - - /* ready/busy pin */ - if (gpio_is_valid(data->rdy_pin)) - at91_set_gpio_input(data->rdy_pin, 1); - - /* card detect pin */ - if (gpio_is_valid(data->det_pin)) - at91_set_gpio_input(data->det_pin, 1); - - at91_set_A_periph(AT91_PIN_PC1, 0); /* SMOE */ - at91_set_A_periph(AT91_PIN_PC3, 0); /* SMWE */ - - nand_data = *data; - platform_device_register(&at91rm9200_nand_device); -} -#else -void __init at91_add_device_nand(struct atmel_nand_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * TWI (i2c) - * -------------------------------------------------------------------- */ - -/* - * Prefer the GPIO code since the TWI controller isn't robust - * (gets overruns and underruns under load) and can only issue - * repeated STARTs in one scenario (the driver doesn't yet handle them). - */ -#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) - -static struct i2c_gpio_platform_data pdata = { - .sda_pin = AT91_PIN_PA25, - .sda_is_open_drain = 1, - .scl_pin = AT91_PIN_PA26, - .scl_is_open_drain = 1, - .udelay = 2, /* ~100 kHz */ -}; - -static struct platform_device at91rm9200_twi_device = { - .name = "i2c-gpio", - .id = 0, - .dev.platform_data = &pdata, -}; - -void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) -{ - at91_set_GPIO_periph(AT91_PIN_PA25, 1); /* TWD (SDA) */ - at91_set_multi_drive(AT91_PIN_PA25, 1); - - at91_set_GPIO_periph(AT91_PIN_PA26, 1); /* TWCK (SCL) */ - at91_set_multi_drive(AT91_PIN_PA26, 1); - - i2c_register_board_info(0, devices, nr_devices); - platform_device_register(&at91rm9200_twi_device); -} - -#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) - -static struct resource twi_resources[] = { - [0] = { - .start = AT91RM9200_BASE_TWI, - .end = AT91RM9200_BASE_TWI + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_TWI, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_TWI, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91rm9200_twi_device = { - .name = "i2c-at91rm9200", - .id = 0, - .resource = twi_resources, - .num_resources = ARRAY_SIZE(twi_resources), -}; - -void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) -{ - /* pins used for TWI interface */ - at91_set_A_periph(AT91_PIN_PA25, 0); /* TWD */ - at91_set_multi_drive(AT91_PIN_PA25, 1); - - at91_set_A_periph(AT91_PIN_PA26, 0); /* TWCK */ - at91_set_multi_drive(AT91_PIN_PA26, 1); - - i2c_register_board_info(0, devices, nr_devices); - platform_device_register(&at91rm9200_twi_device); -} -#else -void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {} -#endif - - -/* -------------------------------------------------------------------- - * SPI - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) -static u64 spi_dmamask = DMA_BIT_MASK(32); - -static struct resource spi_resources[] = { - [0] = { - .start = AT91RM9200_BASE_SPI, - .end = AT91RM9200_BASE_SPI + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_SPI, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_SPI, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91rm9200_spi_device = { - .name = "atmel_spi", - .id = 0, - .dev = { - .dma_mask = &spi_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .resource = spi_resources, - .num_resources = ARRAY_SIZE(spi_resources), -}; - -static const unsigned spi_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PA5, AT91_PIN_PA6 }; - -void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) -{ - int i; - unsigned long cs_pin; - - at91_set_A_periph(AT91_PIN_PA0, 0); /* MISO */ - at91_set_A_periph(AT91_PIN_PA1, 0); /* MOSI */ - at91_set_A_periph(AT91_PIN_PA2, 0); /* SPCK */ - - /* Enable SPI chip-selects */ - for (i = 0; i < nr_devices; i++) { - if (devices[i].controller_data) - cs_pin = (unsigned long) devices[i].controller_data; - else - cs_pin = spi_standard_cs[devices[i].chip_select]; - - 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; - } - - spi_register_board_info(devices, nr_devices); - platform_device_register(&at91rm9200_spi_device); -} -#else -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 = NR_IRQS_LEGACY + AT91RM9200_ID_TC0, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC0, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC1, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC1, - .flags = IORESOURCE_IRQ, - }, - [3] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC2, - .end = NR_IRQS_LEGACY + 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 = NR_IRQS_LEGACY + AT91RM9200_ID_TC3, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC3, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC4, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_TC4, - .flags = IORESOURCE_IRQ, - }, - [3] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_TC5, - .end = NR_IRQS_LEGACY + 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) -{ - platform_device_register(&at91rm9200_tcb0_device); - platform_device_register(&at91rm9200_tcb1_device); -} -#else -static void __init at91_add_device_tc(void) { } -#endif - - -/* -------------------------------------------------------------------- - * RTC - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE) -static struct resource rtc_resources[] = { - [0] = { - .start = AT91RM9200_BASE_RTC, - .end = AT91RM9200_BASE_RTC + SZ_256 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91_ID_SYS, - .end = NR_IRQS_LEGACY + AT91_ID_SYS, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91rm9200_rtc_device = { - .name = "at91_rtc", - .id = -1, - .resource = rtc_resources, - .num_resources = ARRAY_SIZE(rtc_resources), -}; - -static void __init at91_add_device_rtc(void) -{ - platform_device_register(&at91rm9200_rtc_device); -} -#else -static void __init at91_add_device_rtc(void) {} -#endif - - -/* -------------------------------------------------------------------- - * Watchdog - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_AT91RM9200_WATCHDOG) || defined(CONFIG_AT91RM9200_WATCHDOG_MODULE) -static struct platform_device at91rm9200_wdt_device = { - .name = "at91_wdt", - .id = -1, - .num_resources = 0, -}; - -static void __init at91_add_device_watchdog(void) -{ - platform_device_register(&at91rm9200_wdt_device); -} -#else -static void __init at91_add_device_watchdog(void) {} -#endif - - -/* -------------------------------------------------------------------- - * SSC -- Synchronous Serial Controller - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) -static u64 ssc0_dmamask = DMA_BIT_MASK(32); - -static struct resource ssc0_resources[] = { - [0] = { - .start = AT91RM9200_BASE_SSC0, - .end = AT91RM9200_BASE_SSC0 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_SSC0, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_SSC0, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91rm9200_ssc0_device = { - .name = "at91rm9200_ssc", - .id = 0, - .dev = { - .dma_mask = &ssc0_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .resource = ssc0_resources, - .num_resources = ARRAY_SIZE(ssc0_resources), -}; - -static inline void configure_ssc0_pins(unsigned pins) -{ - if (pins & ATMEL_SSC_TF) - at91_set_A_periph(AT91_PIN_PB0, 1); - if (pins & ATMEL_SSC_TK) - at91_set_A_periph(AT91_PIN_PB1, 1); - if (pins & ATMEL_SSC_TD) - at91_set_A_periph(AT91_PIN_PB2, 1); - if (pins & ATMEL_SSC_RD) - at91_set_A_periph(AT91_PIN_PB3, 1); - if (pins & ATMEL_SSC_RK) - at91_set_A_periph(AT91_PIN_PB4, 1); - if (pins & ATMEL_SSC_RF) - at91_set_A_periph(AT91_PIN_PB5, 1); -} - -static u64 ssc1_dmamask = DMA_BIT_MASK(32); - -static struct resource ssc1_resources[] = { - [0] = { - .start = AT91RM9200_BASE_SSC1, - .end = AT91RM9200_BASE_SSC1 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_SSC1, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_SSC1, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91rm9200_ssc1_device = { - .name = "at91rm9200_ssc", - .id = 1, - .dev = { - .dma_mask = &ssc1_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .resource = ssc1_resources, - .num_resources = ARRAY_SIZE(ssc1_resources), -}; - -static inline void configure_ssc1_pins(unsigned pins) -{ - if (pins & ATMEL_SSC_TF) - at91_set_A_periph(AT91_PIN_PB6, 1); - if (pins & ATMEL_SSC_TK) - at91_set_A_periph(AT91_PIN_PB7, 1); - if (pins & ATMEL_SSC_TD) - at91_set_A_periph(AT91_PIN_PB8, 1); - if (pins & ATMEL_SSC_RD) - at91_set_A_periph(AT91_PIN_PB9, 1); - if (pins & ATMEL_SSC_RK) - at91_set_A_periph(AT91_PIN_PB10, 1); - if (pins & ATMEL_SSC_RF) - at91_set_A_periph(AT91_PIN_PB11, 1); -} - -static u64 ssc2_dmamask = DMA_BIT_MASK(32); - -static struct resource ssc2_resources[] = { - [0] = { - .start = AT91RM9200_BASE_SSC2, - .end = AT91RM9200_BASE_SSC2 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_SSC2, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_SSC2, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91rm9200_ssc2_device = { - .name = "at91rm9200_ssc", - .id = 2, - .dev = { - .dma_mask = &ssc2_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .resource = ssc2_resources, - .num_resources = ARRAY_SIZE(ssc2_resources), -}; - -static inline void configure_ssc2_pins(unsigned pins) -{ - if (pins & ATMEL_SSC_TF) - at91_set_A_periph(AT91_PIN_PB12, 1); - if (pins & ATMEL_SSC_TK) - at91_set_A_periph(AT91_PIN_PB13, 1); - if (pins & ATMEL_SSC_TD) - at91_set_A_periph(AT91_PIN_PB14, 1); - if (pins & ATMEL_SSC_RD) - at91_set_A_periph(AT91_PIN_PB15, 1); - if (pins & ATMEL_SSC_RK) - at91_set_A_periph(AT91_PIN_PB16, 1); - if (pins & ATMEL_SSC_RF) - at91_set_A_periph(AT91_PIN_PB17, 1); -} - -/* - * SSC controllers are accessed through library code, instead of any - * kind of all-singing/all-dancing driver. For example one could be - * used by a particular I2S audio codec's driver, while another one - * on the same system might be used by a custom data capture driver. - */ -void __init at91_add_device_ssc(unsigned id, unsigned pins) -{ - struct platform_device *pdev; - - /* - * NOTE: caller is responsible for passing information matching - * "pins" to whatever will be using each particular controller. - */ - switch (id) { - case AT91RM9200_ID_SSC0: - pdev = &at91rm9200_ssc0_device; - configure_ssc0_pins(pins); - break; - case AT91RM9200_ID_SSC1: - pdev = &at91rm9200_ssc1_device; - configure_ssc1_pins(pins); - break; - case AT91RM9200_ID_SSC2: - pdev = &at91rm9200_ssc2_device; - configure_ssc2_pins(pins); - break; - default: - return; - } - - platform_device_register(pdev); -} - -#else -void __init at91_add_device_ssc(unsigned id, unsigned pins) {} -#endif - - -/* -------------------------------------------------------------------- - * UART - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_SERIAL_ATMEL) -static struct resource dbgu_resources[] = { - [0] = { - .start = AT91RM9200_BASE_DBGU, - .end = AT91RM9200_BASE_DBGU + SZ_512 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91_ID_SYS, - .end = NR_IRQS_LEGACY + AT91_ID_SYS, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data dbgu_data = { - .use_dma_tx = 0, - .use_dma_rx = 0, /* DBGU not capable of receive DMA */ -}; - -static u64 dbgu_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91rm9200_dbgu_device = { - .name = "atmel_usart", - .id = 0, - .dev = { - .dma_mask = &dbgu_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &dbgu_data, - }, - .resource = dbgu_resources, - .num_resources = ARRAY_SIZE(dbgu_resources), -}; - -static inline void configure_dbgu_pins(void) -{ - at91_set_A_periph(AT91_PIN_PA30, 0); /* DRXD */ - at91_set_A_periph(AT91_PIN_PA31, 1); /* DTXD */ -} - -static struct resource uart0_resources[] = { - [0] = { - .start = AT91RM9200_BASE_US0, - .end = AT91RM9200_BASE_US0 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_US0, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_US0, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data uart0_data = { - .use_dma_tx = 1, - .use_dma_rx = 1, -}; - -static struct gpiod_lookup_table uart0_gpios_table = { - .dev_id = "atmel_usart", - .table = { - GPIO_LOOKUP("pioA", 21, "rts", GPIO_ACTIVE_LOW), - { }, - }, -}; - -static u64 uart0_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91rm9200_uart0_device = { - .name = "atmel_usart", - .id = 1, - .dev = { - .dma_mask = &uart0_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &uart0_data, - }, - .resource = uart0_resources, - .num_resources = ARRAY_SIZE(uart0_resources), -}; - -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 */ - - 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. The serial driver will driver - * this to high when initializing. - */ - gpiod_add_lookup_table(&uart0_gpios_table); - } -} - -static struct resource uart1_resources[] = { - [0] = { - .start = AT91RM9200_BASE_US1, - .end = AT91RM9200_BASE_US1 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_US1, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_US1, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data uart1_data = { - .use_dma_tx = 1, - .use_dma_rx = 1, -}; - -static u64 uart1_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91rm9200_uart1_device = { - .name = "atmel_usart", - .id = 2, - .dev = { - .dma_mask = &uart1_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &uart1_data, - }, - .resource = uart1_resources, - .num_resources = ARRAY_SIZE(uart1_resources), -}; - -static inline void configure_usart1_pins(unsigned pins) -{ - at91_set_A_periph(AT91_PIN_PB20, 1); /* TXD1 */ - at91_set_A_periph(AT91_PIN_PB21, 0); /* RXD1 */ - - 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[] = { - [0] = { - .start = AT91RM9200_BASE_US2, - .end = AT91RM9200_BASE_US2 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_US2, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_US2, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data uart2_data = { - .use_dma_tx = 1, - .use_dma_rx = 1, -}; - -static u64 uart2_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91rm9200_uart2_device = { - .name = "atmel_usart", - .id = 3, - .dev = { - .dma_mask = &uart2_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &uart2_data, - }, - .resource = uart2_resources, - .num_resources = ARRAY_SIZE(uart2_resources), -}; - -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[] = { - [0] = { - .start = AT91RM9200_BASE_US3, - .end = AT91RM9200_BASE_US3 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91RM9200_ID_US3, - .end = NR_IRQS_LEGACY + AT91RM9200_ID_US3, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data uart3_data = { - .use_dma_tx = 1, - .use_dma_rx = 1, -}; - -static u64 uart3_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91rm9200_uart3_device = { - .name = "atmel_usart", - .id = 4, - .dev = { - .dma_mask = &uart3_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &uart3_data, - }, - .resource = uart3_resources, - .num_resources = ARRAY_SIZE(uart3_resources), -}; - -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 *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ - -void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) -{ - struct platform_device *pdev; - struct atmel_uart_data *pdata; - - switch (id) { - case 0: /* DBGU */ - pdev = &at91rm9200_dbgu_device; - configure_dbgu_pins(); - break; - case AT91RM9200_ID_US0: - pdev = &at91rm9200_uart0_device; - configure_usart0_pins(pins); - break; - case AT91RM9200_ID_US1: - pdev = &at91rm9200_uart1_device; - configure_usart1_pins(pins); - break; - case AT91RM9200_ID_US2: - pdev = &at91rm9200_uart2_device; - configure_usart2_pins(pins); - break; - case AT91RM9200_ID_US3: - pdev = &at91rm9200_uart3_device; - configure_usart3_pins(pins); - break; - default: - return; - } - pdata = pdev->dev.platform_data; - pdata->num = portnr; /* update to mapped ID */ - - if (portnr < ATMEL_MAX_UART) - at91_uarts[portnr] = pdev; -} - -void __init at91_add_device_serial(void) -{ - int i; - - for (i = 0; i < ATMEL_MAX_UART; i++) { - if (at91_uarts[i]) - platform_device_register(at91_uarts[i]); - } -} -#else -void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} -void __init at91_add_device_serial(void) {} -#endif - - -/* -------------------------------------------------------------------- */ - -/* - * These devices are always present and don't need any board-specific - * setup. - */ -static int __init at91_add_standard_devices(void) -{ - at91_add_device_rtc(); - at91_add_device_watchdog(); - at91_add_device_tc(); - return 0; -} - -arch_initcall(at91_add_standard_devices); |