summaryrefslogtreecommitdiff
path: root/arch/arm/mach-netx/generic.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-netx/generic.c')
-rw-r--r--arch/arm/mach-netx/generic.c182
1 files changed, 0 insertions, 182 deletions
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c
deleted file mode 100644
index 88881fd45e9f..000000000000
--- a/arch/arm/mach-netx/generic.c
+++ /dev/null
@@ -1,182 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/mach-netx/generic.c
- *
- * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#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);
-}