diff options
Diffstat (limited to 'arch/avr32/boards/atstk1000/atstk1002.c')
| -rw-r--r-- | arch/avr32/boards/atstk1000/atstk1002.c | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c deleted file mode 100644 index 6c80aba7bf96..000000000000 --- a/arch/avr32/boards/atstk1000/atstk1002.c +++ /dev/null @@ -1,330 +0,0 @@ -/* - * ATSTK1002/ATSTK1006 daughterboard-specific init code - * - * Copyright (C) 2005-2007 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/clk.h> -#include <linux/etherdevice.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/string.h> -#include <linux/types.h> -#include <linux/spi/spi.h> -#include <linux/spi/at73c213.h> -#include <linux/atmel-mci.h> - -#include <video/atmel_lcdc.h> - -#include <asm/io.h> -#include <asm/setup.h> - -#include <mach/at32ap700x.h> -#include <mach/board.h> -#include <mach/init.h> -#include <mach/portmux.h> - -#include "atstk1000.h" - -/* Oscillator frequencies. These are board specific */ -unsigned long at32_board_osc_rates[3] = { - [0] = 32768, /* 32.768 kHz on RTC osc */ - [1] = 20000000, /* 20 MHz on osc0 */ - [2] = 12000000, /* 12 MHz on osc1 */ -}; - -/* - * The ATSTK1006 daughterboard is very similar to the ATSTK1002. Both - * have the AT32AP7000 chip on board; the difference is that the - * STK1006 has 128 MB SDRAM (the STK1002 uses the 8 MB SDRAM chip on - * the STK1000 motherboard) and 256 MB NAND flash (the STK1002 has - * none.) - * - * The RAM difference is handled by the boot loader, so the only - * difference we end up handling here is the NAND flash. - */ -#ifdef CONFIG_BOARD_ATSTK1006 -#include <linux/mtd/partitions.h> -#include <mach/smc.h> - -static struct smc_timing nand_timing __initdata = { - .ncs_read_setup = 0, - .nrd_setup = 10, - .ncs_write_setup = 0, - .nwe_setup = 10, - - .ncs_read_pulse = 30, - .nrd_pulse = 15, - .ncs_write_pulse = 30, - .nwe_pulse = 15, - - .read_cycle = 30, - .write_cycle = 30, - - .ncs_read_recover = 0, - .nrd_recover = 15, - .ncs_write_recover = 0, - /* WE# high -> RE# low min 60 ns */ - .nwe_recover = 50, -}; - -static struct smc_config nand_config __initdata = { - .bus_width = 1, - .nrd_controlled = 1, - .nwe_controlled = 1, - .nwait_mode = 0, - .byte_write = 0, - .tdf_cycles = 2, - .tdf_mode = 0, -}; - -static struct mtd_partition nand_partitions[] = { - { - .name = "main", - .offset = 0x00000000, - .size = MTDPART_SIZ_FULL, - }, -}; - -static struct atmel_nand_data atstk1006_nand_data __initdata = { - .cle = 21, - .ale = 22, - .rdy_pin = GPIO_PIN_PB(30), - .enable_pin = GPIO_PIN_PB(29), - .ecc_mode = NAND_ECC_SOFT, - .parts = nand_partitions, - .num_parts = ARRAY_SIZE(nand_partitions), -}; -#endif - -struct eth_addr { - u8 addr[6]; -}; - -static struct eth_addr __initdata hw_addr[2]; -static struct macb_platform_data __initdata eth_data[2] = { - { - /* - * The MDIO pullups on STK1000 are a bit too weak for - * the autodetection to work properly, so we have to - * mask out everything but the correct address. - */ - .phy_mask = ~(1U << 16), - }, - { - .phy_mask = ~(1U << 17), - }, -}; - -#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC -static struct at73c213_board_info at73c213_data = { - .ssc_id = 0, - .shortname = "AVR32 STK1000 external DAC", -}; -#endif - -#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM -static struct spi_board_info spi0_board_info[] __initdata = { -#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC - { - /* AT73C213 */ - .modalias = "at73c213", - .max_speed_hz = 200000, - .chip_select = 0, - .mode = SPI_MODE_1, - .platform_data = &at73c213_data, - }, -#endif - { - /* QVGA display */ - .modalias = "ltv350qv", - .max_speed_hz = 16000000, - .chip_select = 1, - .mode = SPI_MODE_3, - }, -}; -#endif - -#ifdef CONFIG_BOARD_ATSTK100X_SPI1 -static struct spi_board_info spi1_board_info[] __initdata = { { - /* patch in custom entries here */ -} }; -#endif - -/* - * The next two functions should go away as the boot loader is - * supposed to initialize the macb address registers with a valid - * ethernet address. But we need to keep it around for a while until - * we can be reasonably sure the boot loader does this. - * - * The phy_id is ignored as the driver will probe for it. - */ -static int __init parse_tag_ethernet(struct tag *tag) -{ - int i; - - i = tag->u.ethernet.mac_index; - if (i < ARRAY_SIZE(hw_addr)) - memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address, - sizeof(hw_addr[i].addr)); - - return 0; -} -__tagtable(ATAG_ETHERNET, parse_tag_ethernet); - -static void __init set_hw_addr(struct platform_device *pdev) -{ - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - const u8 *addr; - void __iomem *regs; - struct clk *pclk; - - if (!res) - return; - if (pdev->id >= ARRAY_SIZE(hw_addr)) - return; - - addr = hw_addr[pdev->id].addr; - if (!is_valid_ether_addr(addr)) - return; - - /* - * Since this is board-specific code, we'll cheat and use the - * physical address directly as we happen to know that it's - * the same as the virtual address. - */ - regs = (void __iomem __force *)res->start; - pclk = clk_get(&pdev->dev, "pclk"); - if (IS_ERR(pclk)) - return; - - clk_enable(pclk); - __raw_writel((addr[3] << 24) | (addr[2] << 16) - | (addr[1] << 8) | addr[0], regs + 0x98); - __raw_writel((addr[5] << 8) | addr[4], regs + 0x9c); - clk_disable(pclk); - clk_put(pclk); -} - -#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC -static void __init atstk1002_setup_extdac(void) -{ - struct clk *gclk; - struct clk *pll; - - gclk = clk_get(NULL, "gclk0"); - if (IS_ERR(gclk)) - goto err_gclk; - pll = clk_get(NULL, "pll0"); - if (IS_ERR(pll)) - goto err_pll; - - if (clk_set_parent(gclk, pll)) { - pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n"); - goto err_set_clk; - } - - at32_select_periph(GPIO_PIOA_BASE, (1 << 30), GPIO_PERIPH_A, 0); - at73c213_data.dac_clk = gclk; - -err_set_clk: - clk_put(pll); -err_pll: - clk_put(gclk); -err_gclk: - return; -} -#else -static void __init atstk1002_setup_extdac(void) -{ - -} -#endif /* CONFIG_BOARD_ATSTK1000_EXTDAC */ - -void __init setup_board(void) -{ -#ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM - at32_map_usart(0, 1, 0); /* USART 0/B: /dev/ttyS1, IRDA */ -#else - at32_map_usart(1, 0, 0); /* USART 1/A: /dev/ttyS0, DB9 */ -#endif - /* USART 2/unused: expansion connector */ - at32_map_usart(3, 2, 0); /* USART 3/C: /dev/ttyS2, DB9 */ - - at32_setup_serial_console(0); -} - -#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM - -static struct mci_platform_data __initdata mci0_data = { - .slot[0] = { - .bus_width = 4, - -/* MMC card detect requires MACB0 *NOT* be used */ -#ifdef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM - .detect_pin = GPIO_PIN_PC(14), /* gpio30/sdcd */ - .wp_pin = GPIO_PIN_PC(15), /* gpio31/sdwp */ -#else - .detect_pin = -ENODEV, - .wp_pin = -ENODEV, -#endif /* SW6 for sd{cd,wp} routing */ - }, -}; - -#endif /* SW2 for MMC signal routing */ - -static int __init atstk1002_init(void) -{ - /* - * ATSTK1000 uses 32-bit SDRAM interface. Reserve the - * SDRAM-specific pins so that nobody messes with them. - */ - at32_reserve_pin(GPIO_PIOE_BASE, ATMEL_EBI_PE_DATA_ALL); - -#ifdef CONFIG_BOARD_ATSTK1006 - smc_set_timing(&nand_config, &nand_timing); - smc_set_configuration(3, &nand_config); - at32_add_device_nand(0, &atstk1006_nand_data); -#endif - -#ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM - at32_add_device_usart(1); -#else - at32_add_device_usart(0); -#endif - at32_add_device_usart(2); - -#ifndef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM - set_hw_addr(at32_add_device_eth(0, ð_data[0])); -#endif -#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM - at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info)); -#endif -#ifdef CONFIG_BOARD_ATSTK100X_SPI1 - at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info)); -#endif -#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM - at32_add_device_mci(0, &mci0_data); -#endif -#ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM - set_hw_addr(at32_add_device_eth(1, ð_data[1])); -#else - at32_add_device_lcdc(0, &atstk1000_lcdc_data, - fbmem_start, fbmem_size, - ATMEL_LCDC_PRI_24BIT | ATMEL_LCDC_PRI_CONTROL); -#endif - at32_add_device_usba(0, NULL); -#ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM - at32_add_device_ssc(0, ATMEL_SSC_TX); -#endif - - atstk1000_setup_j2_leds(); - atstk1002_setup_extdac(); - - return 0; -} -postcore_initcall(atstk1002_init); |