diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2019-05-21 03:21:37 +0200 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2019-05-22 13:55:50 +0200 |
commit | ceb02dcf676f41d281af84c9d6000fe27651ebb0 (patch) | |
tree | 058d9ca2b00951638b22b5c93075e22baa251c11 /arch/arm/mach-netx/generic.c | |
parent | a188339ca5a396acc588e5851ed7e19f66b0ebd9 (diff) |
ARM: delete netx machine
After discussing with the subarch maintainers and Hilscher,
we concluded that the netx subarchitecture (Netx 100/500)
is no longer maintained or tested, and noone will miss it
if we delete it. So delete it.
There is a newer Netx 4000 architecture which we may see
included at some point, but this will be supported using
the standard multiplatform and devicetree mechanisms and is
easier to develop from scratch.
Cc: Michael Trensch <MTrensch@hilscher.com>
Acked-By: Robert Schwebel <r.schwebel@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/mach-netx/generic.c')
-rw-r--r-- | arch/arm/mach-netx/generic.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c deleted file mode 100644 index 842302df99c1..000000000000 --- a/arch/arm/mach-netx/generic.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * arch/arm/mach-netx/generic.c - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/device.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/irqchip/arm-vic.h> -#include <linux/reboot.h> -#include <mach/hardware.h> -#include <asm/mach/map.h> -#include <mach/netx-regs.h> -#include <asm/mach/irq.h> - -static struct map_desc netx_io_desc[] __initdata = { - { - .virtual = NETX_IO_VIRT, - .pfn = __phys_to_pfn(NETX_IO_PHYS), - .length = NETX_IO_SIZE, - .type = MT_DEVICE - } -}; - -void __init netx_map_io(void) -{ - iotable_init(netx_io_desc, ARRAY_SIZE(netx_io_desc)); -} - -static struct resource netx_rtc_resources[] = { - [0] = { - .start = 0x00101200, - .end = 0x00101220, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device netx_rtc_device = { - .name = "netx-rtc", - .id = 0, - .num_resources = ARRAY_SIZE(netx_rtc_resources), - .resource = netx_rtc_resources, -}; - -static struct platform_device *devices[] __initdata = { - &netx_rtc_device, -}; - -#if 0 -#define DEBUG_IRQ(fmt...) printk(fmt) -#else -#define DEBUG_IRQ(fmt...) while (0) {} -#endif - -static void netx_hif_demux_handler(struct irq_desc *desc) -{ - unsigned int irq = NETX_IRQ_HIF_CHAINED(0); - unsigned int stat; - - stat = ((readl(NETX_DPMAS_INT_EN) & - readl(NETX_DPMAS_INT_STAT)) >> 24) & 0x1f; - - while (stat) { - if (stat & 1) { - DEBUG_IRQ("handling irq %d\n", irq); - generic_handle_irq(irq); - } - irq++; - stat >>= 1; - } -} - -static int -netx_hif_irq_type(struct irq_data *d, unsigned int type) -{ - unsigned int val, irq; - - val = readl(NETX_DPMAS_IF_CONF1); - - irq = d->irq - NETX_IRQ_HIF_CHAINED(0); - - if (type & IRQ_TYPE_EDGE_RISING) { - DEBUG_IRQ("rising edges\n"); - val |= (1 << 26) << irq; - } - if (type & IRQ_TYPE_EDGE_FALLING) { - DEBUG_IRQ("falling edges\n"); - val &= ~((1 << 26) << irq); - } - if (type & IRQ_TYPE_LEVEL_LOW) { - DEBUG_IRQ("low level\n"); - val &= ~((1 << 26) << irq); - } - if (type & IRQ_TYPE_LEVEL_HIGH) { - DEBUG_IRQ("high level\n"); - val |= (1 << 26) << irq; - } - - writel(val, NETX_DPMAS_IF_CONF1); - - return 0; -} - -static void -netx_hif_ack_irq(struct irq_data *d) -{ - unsigned int val, irq; - - irq = d->irq - NETX_IRQ_HIF_CHAINED(0); - writel((1 << 24) << irq, NETX_DPMAS_INT_STAT); - - val = readl(NETX_DPMAS_INT_EN); - val &= ~((1 << 24) << irq); - writel(val, NETX_DPMAS_INT_EN); - - DEBUG_IRQ("%s: irq %d\n", __func__, d->irq); -} - -static void -netx_hif_mask_irq(struct irq_data *d) -{ - unsigned int val, irq; - - irq = d->irq - NETX_IRQ_HIF_CHAINED(0); - val = readl(NETX_DPMAS_INT_EN); - val &= ~((1 << 24) << irq); - writel(val, NETX_DPMAS_INT_EN); - DEBUG_IRQ("%s: irq %d\n", __func__, d->irq); -} - -static void -netx_hif_unmask_irq(struct irq_data *d) -{ - unsigned int val, irq; - - irq = d->irq - NETX_IRQ_HIF_CHAINED(0); - val = readl(NETX_DPMAS_INT_EN); - val |= (1 << 24) << irq; - writel(val, NETX_DPMAS_INT_EN); - DEBUG_IRQ("%s: irq %d\n", __func__, d->irq); -} - -static struct irq_chip netx_hif_chip = { - .irq_ack = netx_hif_ack_irq, - .irq_mask = netx_hif_mask_irq, - .irq_unmask = netx_hif_unmask_irq, - .irq_set_type = netx_hif_irq_type, -}; - -void __init netx_init_irq(void) -{ - int irq; - - vic_init(io_p2v(NETX_PA_VIC), NETX_IRQ_VIC_START, ~0, 0); - - for (irq = NETX_IRQ_HIF_CHAINED(0); irq <= NETX_IRQ_HIF_LAST; irq++) { - irq_set_chip_and_handler(irq, &netx_hif_chip, - handle_level_irq); - irq_clear_status_flags(irq, IRQ_NOREQUEST); - } - - writel(NETX_DPMAS_INT_EN_GLB_EN, NETX_DPMAS_INT_EN); - irq_set_chained_handler(NETX_IRQ_HIF, netx_hif_demux_handler); -} - -static int __init netx_init(void) -{ - return platform_add_devices(devices, ARRAY_SIZE(devices)); -} - -subsys_initcall(netx_init); - -void netx_restart(enum reboot_mode mode, const char *cmd) -{ - writel(NETX_SYSTEM_RES_CR_FIRMW_RES_EN | NETX_SYSTEM_RES_CR_FIRMW_RES, - NETX_SYSTEM_RES_CR); -} |