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[AVR32] Add support for ATSTK1003 and ATSTK1004
ATSTK1003 and ATSTK1004 are CPU daughterboards for ATSTK1000 featuring the AT32AP7001 and AT32AP7002 CPUs, respectively. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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Haavard Skinnemoen
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Jan 25, 2008
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,4 @@ | ||
| obj-y += setup.o flash.o | ||
| obj-$(CONFIG_BOARD_ATSTK1002) += atstk1002.o | ||
| obj-$(CONFIG_BOARD_ATSTK1003) += atstk1003.o | ||
| obj-$(CONFIG_BOARD_ATSTK1004) += atstk1004.o |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| /* | ||
| * ATSTK1003 daughterboard-specific init code | ||
| * | ||
| * Copyright (C) 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/err.h> | ||
| #include <linux/init.h> | ||
| #include <linux/kernel.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/string.h> | ||
| #include <linux/types.h> | ||
|
|
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| #include <linux/spi/at73c213.h> | ||
| #include <linux/spi/spi.h> | ||
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| #include <asm/setup.h> | ||
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| #include <asm/arch/at32ap700x.h> | ||
| #include <asm/arch/board.h> | ||
| #include <asm/arch/init.h> | ||
| #include <asm/arch/portmux.h> | ||
|
|
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| #include "atstk1000.h" | ||
|
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| #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 | ||
| /* | ||
| * We can control the LTV350QV LCD panel, but it isn't much | ||
| * point since we don't have an LCD controller... | ||
| */ | ||
| }; | ||
| #endif | ||
|
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| #ifdef CONFIG_BOARD_ATSTK100X_SPI1 | ||
| static struct spi_board_info spi1_board_info[] __initdata = { { | ||
| /* patch in custom entries here */ | ||
| } }; | ||
| #endif | ||
|
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| #ifdef CONFIG_BOARD_ATSTK1000_EXTDAC | ||
| static void __init atstk1003_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; | ||
|
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| if (clk_set_parent(gclk, pll)) { | ||
| pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n"); | ||
| goto err_set_clk; | ||
| } | ||
|
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| at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0); | ||
| at73c213_data.dac_clk = gclk; | ||
|
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| err_set_clk: | ||
| clk_put(pll); | ||
| err_pll: | ||
| clk_put(gclk); | ||
| err_gclk: | ||
| return; | ||
| } | ||
| #else | ||
| static void __init atstk1003_setup_extdac(void) | ||
| { | ||
|
|
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| } | ||
| #endif /* CONFIG_BOARD_ATSTK1000_EXTDAC */ | ||
|
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| void __init setup_board(void) | ||
| { | ||
| #ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM | ||
| at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */ | ||
| #else | ||
| at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */ | ||
| #endif | ||
| /* USART 2/unused: expansion connector */ | ||
| at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */ | ||
|
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| at32_setup_serial_console(0); | ||
| } | ||
|
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| static int __init atstk1003_init(void) | ||
| { | ||
| /* | ||
| * ATSTK1000 uses 32-bit SDRAM interface. Reserve the | ||
| * SDRAM-specific pins so that nobody messes with them. | ||
| */ | ||
| at32_reserve_pin(GPIO_PIN_PE(0)); /* DATA[16] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(1)); /* DATA[17] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(2)); /* DATA[18] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(3)); /* DATA[19] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(4)); /* DATA[20] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(5)); /* DATA[21] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(6)); /* DATA[22] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(7)); /* DATA[23] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(8)); /* DATA[24] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(9)); /* DATA[25] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(10)); /* DATA[26] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(11)); /* DATA[27] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(12)); /* DATA[28] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(13)); /* DATA[29] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(14)); /* DATA[30] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(15)); /* DATA[31] */ | ||
| at32_reserve_pin(GPIO_PIN_PE(26)); /* SDCS */ | ||
|
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| at32_add_system_devices(); | ||
|
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| #ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM | ||
| at32_add_device_usart(1); | ||
| #else | ||
| at32_add_device_usart(0); | ||
| #endif | ||
| at32_add_device_usart(2); | ||
|
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| #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); | ||
| #endif | ||
| at32_add_device_usba(0, NULL); | ||
| #ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM | ||
| at32_add_device_ssc(0, ATMEL_SSC_TX); | ||
| #endif | ||
|
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| atstk1000_setup_j2_leds(); | ||
| atstk1003_setup_extdac(); | ||
|
|
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| return 0; | ||
| } | ||
| postcore_initcall(atstk1003_init); |
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