avr32: remove support for AVR32 architecture

This patch drops support for AVR32 architecture from the Linux kernel.

The AVR32 architecture is not keeping up with the development of the
kernel, and since it shares so much of the drivers with Atmel ARM SoC,
it is starting to hinder these drivers to develop swiftly.

Also, all AVR32 AP7 SoC processors are end of lifed from Atmel (now
Microchip).

Finally, the GCC toolchain is stuck at version 4.2.x, and has not
received any patches since the last release from Atmel;
4.2.4-atmel.1.1.3.avr32linux.1. When building kernel v4.10, this
toolchain is no longer able to properly link the network stack.

Haavard and I have came to the conclusion that we feel keeping AVR32 on
life support offers more obstacles for Atmel ARMs, than it gives joy to
AVR32 users. I also suspect there are very few AVR32 users left today,
if anybody at all.

Signed-off-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Håvard Skinnemoen <hskinnemoen@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>

1 files changed, 0 insertions, 164 deletions

diff --git a/arch/avr32/boards/atstk1000/atstk1004.c b/arch/avr32/boards/atstk1000/atstk1004.c
deleted file mode 100644
index 69a9f0f08c6e..000000000000
--- a/arch/avr32/boards/atstk1000/atstk1004.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * 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>
-
-#include <linux/spi/at73c213.h>
-#include <linux/spi/spi.h>
-#include <linux/atmel-mci.h>
-
-#include <video/atmel_lcdc.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 */
-};
-
-#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
-
-#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
-static struct mci_platform_data __initdata mci0_data = {
-	.slot[0] = {
-		.bus_width	= 4,
-		.detect_pin	= -ENODEV,
-		.wp_pin		= -ENODEV,
-	},
-};
-#endif
-
-#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
-static void __init atstk1004_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 atstk1004_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);
-}
-
-static int __init atstk1004_init(void)
-{
-#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_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
-	at32_add_device_lcdc(0, &atstk1000_lcdc_data,
-			     fbmem_start, fbmem_size,
-			     ATMEL_LCDC_PRI_24BIT | ATMEL_LCDC_PRI_CONTROL);
-	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();
-	atstk1004_setup_extdac();
-
-	return 0;
-}
-postcore_initcall(atstk1004_init);