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-rw-r--r--arch/arm/mach-netx/Kconfig24
-rw-r--r--arch/arm/mach-netx/Makefile15
-rw-r--r--arch/arm/mach-netx/Makefile.boot2
-rw-r--r--arch/arm/mach-netx/fb.c114
-rw-r--r--arch/arm/mach-netx/fb.h24
-rw-r--r--arch/arm/mach-netx/generic.c193
-rw-r--r--arch/arm/mach-netx/generic.h24
-rw-r--r--arch/arm/mach-netx/nxdb500.c210
-rw-r--r--arch/arm/mach-netx/nxdkn.c103
-rw-r--r--arch/arm/mach-netx/nxeb500hmi.c187
-rw-r--r--arch/arm/mach-netx/pfifo.c68
-rw-r--r--arch/arm/mach-netx/time.c88
-rw-r--r--arch/arm/mach-netx/xc.c255
13 files changed, 1307 insertions, 0 deletions
diff --git a/arch/arm/mach-netx/Kconfig b/arch/arm/mach-netx/Kconfig
new file mode 100644
index 000000000000..3d90ef19be2b
--- /dev/null
+++ b/arch/arm/mach-netx/Kconfig
@@ -0,0 +1,24 @@
+menu "NetX Implementations"
+ depends on ARCH_NETX
+
+config MACH_NXDKN
+ bool "Enable Hilscher nxdkn Eval Board support"
+ depends on ARCH_NETX
+ help
+ Board support for the Hilscher NetX Eval Board
+
+config MACH_NXDB500
+ bool "Enable Hilscher nxdb500 Eval Board support"
+ depends on ARCH_NETX
+ select ARM_AMBA
+ help
+ Board support for the Hilscher nxdb500 Eval Board
+
+config MACH_NXEB500HMI
+ bool "Enable Hilscher nxeb500hmi Eval Board support"
+ depends on ARCH_NETX
+ select ARM_AMBA
+ help
+ Board support for the Hilscher nxeb500hmi Eval Board
+
+endmenu
diff --git a/arch/arm/mach-netx/Makefile b/arch/arm/mach-netx/Makefile
new file mode 100644
index 000000000000..18785ff37657
--- /dev/null
+++ b/arch/arm/mach-netx/Makefile
@@ -0,0 +1,15 @@
+#
+# Makefile for the linux kernel.
+#
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+
+# Object file lists.
+
+obj-y += time.o generic.o pfifo.o xc.o
+
+# Specific board support
+obj-$(CONFIG_MACH_NXDKN) += nxdkn.o
+obj-$(CONFIG_MACH_NXDB500) += nxdb500.o fb.o
+obj-$(CONFIG_MACH_NXEB500HMI) += nxeb500hmi.o fb.o
diff --git a/arch/arm/mach-netx/Makefile.boot b/arch/arm/mach-netx/Makefile.boot
new file mode 100644
index 000000000000..b81cf6aff0ac
--- /dev/null
+++ b/arch/arm/mach-netx/Makefile.boot
@@ -0,0 +1,2 @@
+ zreladdr-y := 0x80008000
+
diff --git a/arch/arm/mach-netx/fb.c b/arch/arm/mach-netx/fb.c
new file mode 100644
index 000000000000..ef0ab6115c0b
--- /dev/null
+++ b/arch/arm/mach-netx/fb.c
@@ -0,0 +1,114 @@
+/*
+ * arch/arm/mach-netx/fb.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/dma-mapping.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+
+#include <asm/arch/netx-regs.h>
+#include <asm/hardware.h>
+
+struct clk {};
+
+static struct clk fb_clk;
+
+static struct clcd_panel *netx_panel;
+
+void netx_clcd_enable(struct clcd_fb *fb)
+{
+}
+
+int netx_clcd_setup(struct clcd_fb *fb)
+{
+ dma_addr_t dma;
+
+ fb->panel = netx_panel;
+
+ fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, 1024*1024,
+ &dma, GFP_KERNEL);
+ if (!fb->fb.screen_base) {
+ printk(KERN_ERR "CLCD: unable to map framebuffer\n");
+ return -ENOMEM;
+ }
+
+ fb->fb.fix.smem_start = dma;
+ fb->fb.fix.smem_len = 1024*1024;
+
+ return 0;
+}
+
+int netx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
+{
+ return dma_mmap_writecombine(&fb->dev->dev, vma,
+ fb->fb.screen_base,
+ fb->fb.fix.smem_start,
+ fb->fb.fix.smem_len);
+}
+
+void netx_clcd_remove(struct clcd_fb *fb)
+{
+ dma_free_writecombine(&fb->dev->dev, fb->fb.fix.smem_len,
+ fb->fb.screen_base, fb->fb.fix.smem_start);
+}
+
+void clk_disable(struct clk *clk)
+{
+}
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ return 0;
+}
+
+int clk_enable(struct clk *clk)
+{
+ return 0;
+}
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+ return &fb_clk;
+}
+
+void clk_put(struct clk *clk)
+{
+}
+
+static struct amba_device fb_device = {
+ .dev = {
+ .bus_id = "fb",
+ .coherent_dma_mask = ~0,
+ },
+ .res = {
+ .start = 0x00104000,
+ .end = 0x00104fff,
+ .flags = IORESOURCE_MEM,
+ },
+ .irq = { NETX_IRQ_LCD, NO_IRQ },
+ .periphid = 0x10112400,
+};
+
+int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel)
+{
+ netx_panel = panel;
+ fb_device.dev.platform_data = board;
+ return amba_device_register(&fb_device, &iomem_resource);
+}
diff --git a/arch/arm/mach-netx/fb.h b/arch/arm/mach-netx/fb.h
new file mode 100644
index 000000000000..4919cf33a5f3
--- /dev/null
+++ b/arch/arm/mach-netx/fb.h
@@ -0,0 +1,24 @@
+/*
+ * arch/arm/mach-netx/fb.h
+ *
+ * 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
+ */
+
+void netx_clcd_enable(struct clcd_fb *fb);
+int netx_clcd_setup(struct clcd_fb *fb);
+int netx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma);
+void netx_clcd_remove(struct clcd_fb *fb);
+int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel);
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c
new file mode 100644
index 000000000000..af0b13534cfd
--- /dev/null
+++ b/arch/arm/mach-netx/generic.c
@@ -0,0 +1,193 @@
+/*
+ * 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 <asm/hardware.h>
+#include <asm/mach/map.h>
+#include <asm/hardware/vic.h>
+#include <asm/io.h>
+#include <asm/arch/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(unsigned int irq_unused, struct irqdesc *desc,
+ struct pt_regs *regs)
+{
+ unsigned int irq = NETX_IRQ_HIF_CHAINED(0);
+ unsigned int stat;
+
+ stat = ((readl(NETX_DPMAS_INT_EN) &
+ readl(NETX_DPMAS_INT_STAT)) >> 24) & 0x1f;
+
+ desc = irq_desc + NETX_IRQ_HIF_CHAINED(0);
+
+ while (stat) {
+ if (stat & 1) {
+ DEBUG_IRQ("handling irq %d\n", irq);
+ desc_handle_irq(irq, desc, regs);
+ }
+ irq++;
+ desc++;
+ stat >>= 1;
+ }
+}
+
+static int
+netx_hif_irq_type(unsigned int _irq, unsigned int type)
+{
+ unsigned int val, irq;
+
+ val = readl(NETX_DPMAS_IF_CONF1);
+
+ irq = _irq - NETX_IRQ_HIF_CHAINED(0);
+
+ if (type & __IRQT_RISEDGE) {
+ DEBUG_IRQ("rising edges\n");
+ val |= (1 << 26) << irq;
+ }
+ if (type & __IRQT_FALEDGE) {
+ DEBUG_IRQ("falling edges\n");
+ val &= ~((1 << 26) << irq);
+ }
+ if (type & __IRQT_LOWLVL) {
+ DEBUG_IRQ("low level\n");
+ val &= ~((1 << 26) << irq);
+ }
+ if (type & __IRQT_HIGHLVL) {
+ DEBUG_IRQ("high level\n");
+ val |= (1 << 26) << irq;
+ }
+
+ writel(val, NETX_DPMAS_IF_CONF1);
+
+ return 0;
+}
+
+static void
+netx_hif_ack_irq(unsigned int _irq)
+{
+ unsigned int val, irq;
+
+ irq = _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", __FUNCTION__, _irq);
+}
+
+static void
+netx_hif_mask_irq(unsigned int _irq)
+{
+ unsigned int val, irq;
+
+ irq = _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", __FUNCTION__, _irq);
+}
+
+static void
+netx_hif_unmask_irq(unsigned int _irq)
+{
+ unsigned int val, irq;
+
+ irq = _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", __FUNCTION__, _irq);
+}
+
+static struct irqchip netx_hif_chip = {
+ .ack = netx_hif_ack_irq,
+ .mask = netx_hif_mask_irq,
+ .unmask = netx_hif_unmask_irq,
+ .set_type = netx_hif_irq_type,
+};
+
+void __init netx_init_irq(void)
+{
+ int irq;
+
+ vic_init(__io(io_p2v(NETX_PA_VIC)), 0, ~0);
+
+ for (irq = NETX_IRQ_HIF_CHAINED(0); irq <= NETX_IRQ_HIF_LAST; irq++) {
+ set_irq_chip(irq, &netx_hif_chip);
+ set_irq_handler(irq, do_level_IRQ);
+ set_irq_flags(irq, IRQF_VALID);
+ }
+
+ writel(NETX_DPMAS_INT_EN_GLB_EN, NETX_DPMAS_INT_EN);
+ set_irq_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);
+
diff --git a/arch/arm/mach-netx/generic.h b/arch/arm/mach-netx/generic.h
new file mode 100644
index 000000000000..ede2d35341c3
--- /dev/null
+++ b/arch/arm/mach-netx/generic.h
@@ -0,0 +1,24 @@
+/*
+ * arch/arm/mach-netx/generic.h
+ *
+ * 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
+ */
+
+extern void __init netx_map_io(void);
+extern void __init netx_init_irq(void);
+
+struct sys_timer;
+extern struct sys_timer netx_timer;
diff --git a/arch/arm/mach-netx/nxdb500.c b/arch/arm/mach-netx/nxdb500.c
new file mode 100644
index 000000000000..e4a133d62846
--- /dev/null
+++ b/arch/arm/mach-netx/nxdb500.c
@@ -0,0 +1,210 @@
+/*
+ * arch/arm/mach-netx/nxdb500.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/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/plat-ram.h>
+#include <linux/platform_device.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/arch/netx-regs.h>
+#include <asm/arch/eth.h>
+
+#include "generic.h"
+#include "fb.h"
+
+static struct clcd_panel qvga = {
+ .mode = {
+ .name = "QVGA",
+ .refresh = 60,
+ .xres = 240,
+ .yres = 320,
+ .pixclock = 187617,
+ .left_margin = 6,
+ .right_margin = 26,
+ .upper_margin = 0,
+ .lower_margin = 6,
+ .hsync_len = 6,
+ .vsync_len = 1,
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED,
+ },
+ .width = -1,
+ .height = -1,
+ .tim2 = 16,
+ .cntl = CNTL_LCDTFT | CNTL_BGR,
+ .bpp = 16,
+ .grayscale = 0,
+};
+
+static inline int nxdb500_check(struct clcd_fb *fb, struct fb_var_screeninfo *var)
+{
+ var->green.length = 5;
+ var->green.msb_right = 0;
+
+ return clcdfb_check(fb, var);
+}
+
+static int nxdb500_clcd_setup(struct clcd_fb *fb)
+{
+ unsigned int val;
+
+ fb->fb.var.green.length = 5;
+ fb->fb.var.green.msb_right = 0;
+
+ /* enable asic control */
+ val = readl(NETX_SYSTEM_IOC_ACCESS_KEY);
+ writel(val, NETX_SYSTEM_IOC_ACCESS_KEY);
+
+ writel(3, NETX_SYSTEM_IOC_CR);
+
+ val = readl(NETX_PIO_OUTPIO);
+ writel(val | 1, NETX_PIO_OUTPIO);
+
+ val = readl(NETX_PIO_OEPIO);
+ writel(val | 1, NETX_PIO_OEPIO);
+ return netx_clcd_setup(fb);
+}
+
+static struct clcd_board clcd_data = {
+ .name = "netX",
+ .check = nxdb500_check,
+ .decode = clcdfb_decode,
+ .enable = netx_clcd_enable,
+ .setup = nxdb500_clcd_setup,
+ .mmap = netx_clcd_mmap,
+ .remove = netx_clcd_remove,
+};
+
+static struct netxeth_platform_data eth0_platform_data = {
+ .xcno = 0,
+};
+
+static struct platform_device netx_eth0_device = {
+ .name = "netx-eth",
+ .id = 0,
+ .num_resources = 0,
+ .resource = NULL,
+ .dev = {
+ .platform_data = &eth0_platform_data,
+ }
+};
+
+static struct netxeth_platform_data eth1_platform_data = {
+ .xcno = 1,
+};
+
+static struct platform_device netx_eth1_device = {
+ .name = "netx-eth",
+ .id = 1,
+ .num_resources = 0,
+ .resource = NULL,
+ .dev = {
+ .platform_data = &eth1_platform_data,
+ }
+};
+
+static struct resource netx_uart0_resources[] = {
+ [0] = {
+ .start = 0x00100A00,
+ .end = 0x00100A3F,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = (NETX_IRQ_UART0),
+ .end = (NETX_IRQ_UART0),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device netx_uart0_device = {
+ .name = "netx-uart",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(netx_uart0_resources),
+ .resource = netx_uart0_resources,
+};
+
+static struct resource netx_uart1_resources[] = {
+ [0] = {
+ .start = 0x00100A40,
+ .end = 0x00100A7F,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = (NETX_IRQ_UART1),
+ .end = (NETX_IRQ_UART1),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device netx_uart1_device = {
+ .name = "netx-uart",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(netx_uart1_resources),
+ .resource = netx_uart1_resources,
+};
+
+static struct resource netx_uart2_resources[] = {
+ [0] = {
+ .start = 0x00100A80,
+ .end = 0x00100ABF,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = (NETX_IRQ_UART2),
+ .end = (NETX_IRQ_UART2),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device netx_uart2_device = {
+ .name = "netx-uart",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(netx_uart2_resources),
+ .resource = netx_uart2_resources,
+};
+
+static struct platform_device *devices[] __initdata = {
+ &netx_eth0_device,
+ &netx_eth1_device,
+ &netx_uart0_device,
+ &netx_uart1_device,
+ &netx_uart2_device,
+};
+
+static void __init nxdb500_init(void)
+{
+ netx_fb_init(&clcd_data, &qvga);
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(NXDB500, "Hilscher nxdb500")
+ .phys_io = 0x00100000,
+ .io_pg_offst = (io_p2v(0x00100000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = netx_map_io,
+ .init_irq = netx_init_irq,
+ .timer = &netx_timer,
+ .init_machine = nxdb500_init,
+MACHINE_END
diff --git a/arch/arm/mach-netx/nxdkn.c b/arch/arm/mach-netx/nxdkn.c
new file mode 100644
index 000000000000..7e26c42d1ac7
--- /dev/null
+++ b/arch/arm/mach-netx/nxdkn.c
@@ -0,0 +1,103 @@
+/*
+ * arch/arm/mach-netx/nxdkn.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/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/plat-ram.h>
+#include <linux/platform_device.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/arch/netx-regs.h>
+#include <asm/arch/eth.h>
+
+#include "generic.h"
+
+static struct netxeth_platform_data eth0_platform_data = {
+ .xcno = 0,
+};
+
+static struct platform_device nxdkn_eth0_device = {
+ .name = "netx-eth",
+ .id = 0,
+ .num_resources = 0,
+ .resource = NULL,
+ .dev = {
+ .platform_data = &eth0_platform_data,
+ }
+};
+
+static struct netxeth_platform_data eth1_platform_data = {
+ .xcno = 1,
+};
+
+static struct platform_device nxdkn_eth1_device = {
+ .name = "netx-eth",
+ .id = 1,
+ .num_resources = 0,
+ .resource = NULL,
+ .dev = {
+ .platform_data = &eth1_platform_data,
+ }
+};
+
+static struct resource netx_uart0_resources[] = {
+ [0] = {
+ .start = 0x00100A00,
+ .end = 0x00100A3F,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = (NETX_IRQ_UART0),
+ .end = (NETX_IRQ_UART0),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device netx_uart0_device = {
+ .name = "netx-uart",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(netx_uart0_resources),
+ .resource = netx_uart0_resources,
+};
+
+static struct platform_device *devices[] __initdata = {
+ &nxdkn_eth0_device,
+ &nxdkn_eth1_device,
+ &netx_uart0_device,
+};
+
+static void __init nxdkn_init(void)
+{
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(NXDKN, "Hilscher nxdkn")
+ .phys_io = 0x00100000,
+ .io_pg_offst = (io_p2v(0x00100000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = netx_map_io,
+ .init_irq = netx_init_irq,
+ .timer = &netx_timer,
+ .init_machine = nxdkn_init,
+MACHINE_END
diff --git a/arch/arm/mach-netx/nxeb500hmi.c b/arch/arm/mach-netx/nxeb500hmi.c
new file mode 100644
index 000000000000..53e10a9849f9
--- /dev/null
+++ b/arch/arm/mach-netx/nxeb500hmi.c
@@ -0,0 +1,187 @@
+/*
+ * arch/arm/mach-netx/nxeb500hmi.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/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/plat-ram.h>
+#include <linux/platform_device.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/arch/netx-regs.h>
+#include <asm/arch/eth.h>
+
+#include "generic.h"
+#include "fb.h"
+
+static struct clcd_panel qvga = {
+ .mode = {
+ .name = "QVGA",
+ .refresh = 60,
+ .xres = 240,
+ .yres = 320,
+ .pixclock = 187617,
+ .left_margin = 6,
+ .right_margin = 26,
+ .upper_margin = 0,
+ .lower_margin = 6,
+ .hsync_len = 6,
+ .vsync_len = 1,
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED,
+ },
+ .width = -1,
+ .height = -1,
+ .tim2 = 16,
+ .cntl = CNTL_LCDTFT | CNTL_BGR,
+ .bpp = 16,
+ .grayscale = 0,
+};
+
+static inline int nxeb500hmi_check(struct clcd_fb *fb, struct fb_var_screeninfo *var)
+{
+ var->green.length = 5;
+ var->green.msb_right = 0;
+
+ return clcdfb_check(fb, var);
+}
+
+static int nxeb500hmi_clcd_setup(struct clcd_fb *fb)
+{
+ unsigned int val;
+
+ fb->fb.var.green.length = 5;
+ fb->fb.var.green.msb_right = 0;
+
+ /* enable asic control */
+ val = readl(NETX_SYSTEM_IOC_ACCESS_KEY);
+ writel(val, NETX_SYSTEM_IOC_ACCESS_KEY);
+
+ writel(3, NETX_SYSTEM_IOC_CR);
+
+ /* GPIO 14 is used for display enable on newer boards */
+ writel(9, NETX_GPIO_CFG(14));
+
+ val = readl(NETX_PIO_OUTPIO);
+ writel(val | 1, NETX_PIO_OUTPIO);
+
+ val = readl(NETX_PIO_OEPIO);
+ writel(val | 1, NETX_PIO_OEPIO);
+ return netx_clcd_setup(fb);
+}
+
+static struct clcd_board clcd_data = {
+ .name = "netX",
+ .check = nxeb500hmi_check,
+ .decode = clcdfb_decode,
+ .enable = netx_clcd_enable,
+ .setup = nxeb500hmi_clcd_setup,
+ .mmap = netx_clcd_mmap,
+ .remove = netx_clcd_remove,
+};
+
+static struct netxeth_platform_data eth0_platform_data = {
+ .xcno = 0,
+};
+
+static struct platform_device netx_eth0_device = {
+ .name = "netx-eth",
+ .id = 0,
+ .num_resources = 0,
+ .resource = NULL,
+ .dev = {
+ .platform_data = &eth0_platform_data,
+ }
+};
+
+static struct netxeth_platform_data eth1_platform_data = {
+ .xcno = 1,
+};
+
+static struct platform_device netx_eth1_device = {
+ .name = "netx-eth",
+ .id = 1,
+ .num_resources = 0,
+ .resource = NULL,
+ .dev = {
+ .platform_data = &eth1_platform_data,
+ }
+};
+
+static struct resource netx_cf_resources[] = {
+ [0] = {
+ .start = 0x20000000,
+ .end = 0x25ffffff,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
+ },
+};
+
+static struct platform_device netx_cf_device = {
+ .name = "netx-cf",
+ .id = 0,
+ .resource = netx_cf_resources,
+ .num_resources = ARRAY_SIZE(netx_cf_resources),
+};
+
+static struct resource netx_uart0_resources[] = {
+ [0] = {
+ .start = 0x00100A00,
+ .end = 0x00100A3F,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = (NETX_IRQ_UART0),
+ .end = (NETX_IRQ_UART0),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device netx_uart0_device = {
+ .name = "netx-uart",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(netx_uart0_resources),
+ .resource = netx_uart0_resources,
+};
+
+static struct platform_device *devices[] __initdata = {
+ &netx_eth0_device,
+ &netx_eth1_device,
+ &netx_cf_device,
+ &netx_uart0_device,
+};
+
+static void __init nxeb500hmi_init(void)
+{
+ netx_fb_init(&clcd_data, &qvga);
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(NXEB500HMI, "Hilscher nxeb500hmi")
+ .phys_io = 0x00100000,
+ .io_pg_offst = (io_p2v(0x00100000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = netx_map_io,
+ .init_irq = netx_init_irq,
+ .timer = &netx_timer,
+ .init_machine = nxeb500hmi_init,
+MACHINE_END
diff --git a/arch/arm/mach-netx/pfifo.c b/arch/arm/mach-netx/pfifo.c
new file mode 100644
index 000000000000..44dea61a9de4
--- /dev/null
+++ b/arch/arm/mach-netx/pfifo.c
@@ -0,0 +1,68 @@
+/*
+ * arch/arm/mach-netx/pfifo.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/init.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <asm/arch/netx-regs.h>
+#include <asm/arch/pfifo.h>
+
+static DEFINE_MUTEX(pfifo_lock);
+
+static unsigned int pfifo_used = 0;
+
+int pfifo_request(unsigned int pfifo_mask)
+{
+ int err = 0;
+ unsigned int val;
+
+ mutex_lock(&pfifo_lock);
+
+ if (pfifo_mask & pfifo_used) {
+ err = -EBUSY;
+ goto out;
+ }
+
+ pfifo_used |= pfifo_mask;
+
+ val = readl(NETX_PFIFO_RESET);
+ writel(val | pfifo_mask, NETX_PFIFO_RESET);
+ writel(val, NETX_PFIFO_RESET);
+
+out:
+ mutex_unlock(&pfifo_lock);
+ return err;
+}
+
+void pfifo_free(unsigned int pfifo_mask)
+{
+ mutex_lock(&pfifo_lock);
+ pfifo_used &= ~pfifo_mask;
+ mutex_unlock(&pfifo_lock);
+}
+
+EXPORT_SYMBOL(pfifo_push);
+EXPORT_SYMBOL(pfifo_pop);
+EXPORT_SYMBOL(pfifo_fill_level);
+EXPORT_SYMBOL(pfifo_empty);
+EXPORT_SYMBOL(pfifo_request);
+EXPORT_SYMBOL(pfifo_free);
diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c
new file mode 100644
index 000000000000..6d72c81b7d9f
--- /dev/null
+++ b/arch/arm/mach-netx/time.c
@@ -0,0 +1,88 @@
+/*
+ * arch/arm/mach-netx/time.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/init.h>
+#include <linux/interrupt.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/mach/time.h>
+#include <asm/arch/netx-regs.h>
+
+/*
+ * Returns number of us since last clock interrupt. Note that interrupts
+ * will have been disabled by do_gettimeoffset()
+ */
+static unsigned long netx_gettimeoffset(void)
+{
+ return readl(NETX_GPIO_COUNTER_CURRENT(0)) / 100;
+}
+
+/*
+ * IRQ handler for the timer
+ */
+static irqreturn_t
+netx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+ write_seqlock(&xtime_lock);
+
+ timer_tick(regs);
+ write_sequnlock(&xtime_lock);
+
+ /* acknowledge interrupt */
+ writel(COUNTER_BIT(0), NETX_GPIO_IRQ);
+
+ return IRQ_HANDLED;
+}
+
+
+static struct irqaction netx_timer_irq = {
+ .name = "NetX Timer Tick",
+ .flags = IRQF_DISABLED | IRQF_TIMER,
+ .handler = netx_timer_interrupt,
+};
+
+/*
+ * Set up timer interrupt
+ */
+static void __init netx_timer_init(void)
+{
+ /* disable timer initially */
+ writel(0, NETX_GPIO_COUNTER_CTRL(0));
+
+ /* Reset the timer value to zero */
+ writel(0, NETX_GPIO_COUNTER_CURRENT(0));
+
+ writel(LATCH, NETX_GPIO_COUNTER_MAX(0));
+
+ /* acknowledge interrupt */
+ writel(COUNTER_BIT(0), NETX_GPIO_IRQ);
+
+ /* Enable the interrupt in the specific timer register and start timer */
+ writel(COUNTER_BIT(0), NETX_GPIO_IRQ_ENABLE);
+ writel(NETX_GPIO_COUNTER_CTRL_IRQ_EN | NETX_GPIO_COUNTER_CTRL_RUN,
+ NETX_GPIO_COUNTER_CTRL(0));
+
+ setup_irq(NETX_IRQ_TIMER0, &netx_timer_irq);
+}
+
+struct sys_timer netx_timer = {
+ .init = netx_timer_init,
+ .offset = netx_gettimeoffset,
+};
diff --git a/arch/arm/mach-netx/xc.c b/arch/arm/mach-netx/xc.c
new file mode 100644
index 000000000000..172a058ddd66
--- /dev/null
+++ b/arch/arm/mach-netx/xc.c
@@ -0,0 +1,255 @@
+/*
+ * arch/arm/mach-netx/xc.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/init.h>
+#include <linux/device.h>
+#include <linux/firmware.h>
+#include <linux/mutex.h>
+
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <asm/arch/netx-regs.h>
+
+#include <asm/arch/xc.h>
+
+static DEFINE_MUTEX(xc_lock);
+
+static int xc_in_use = 0;
+
+struct fw_desc {
+ unsigned int ofs;
+ unsigned int size;
+ unsigned int patch_ofs;
+ unsigned int patch_entries;
+};
+
+struct fw_header {
+ unsigned int magic;
+ unsigned int type;
+ unsigned int version;
+ unsigned int reserved[5];
+ struct fw_desc fw_desc[3];
+} __attribute__ ((packed));
+
+int xc_stop(struct xc *x)
+{
+ writel(RPU_HOLD_PC, x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS);
+ writel(TPU_HOLD_PC, x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS);
+ writel(XPU_HOLD_PC, x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS);
+ return 0;
+}
+
+int xc_start(struct xc *x)
+{
+ writel(0, x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS);
+ writel(0, x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS);
+ writel(0, x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS);
+ return 0;
+}
+
+int xc_running(struct xc *x)
+{
+ return (readl(x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS) & RPU_HOLD_PC)
+ || (readl(x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS) & TPU_HOLD_PC)
+ || (readl(x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS) & XPU_HOLD_PC) ?
+ 0 : 1;
+}
+
+int xc_reset(struct xc *x)
+{
+ writel(0, x->xpec_base + NETX_XPEC_PC_OFS);
+ return 0;
+}
+
+static int xc_check_ptr(struct xc *x, unsigned long adr, unsigned int size)
+{
+ if (adr >= NETX_PA_XMAC(x->no) &&
+ adr + size < NETX_PA_XMAC(x->no) + XMAC_MEM_SIZE)
+ return 0;
+
+ if (adr >= NETX_PA_XPEC(x->no) &&
+ adr + size < NETX_PA_XPEC(x->no) + XPEC_MEM_SIZE)
+ return 0;
+
+ dev_err(x->dev, "Illegal pointer in firmware found. aborting\n");
+
+ return -1;
+}
+
+static int xc_patch(struct xc *x, void *patch, int count)
+{
+ unsigned int val, adr;
+ unsigned int *data = patch;
+
+ int i;
+ for (i = 0; i < count; i++) {
+ adr = *data++;
+ val = *data++;
+ if (xc_check_ptr(x, adr, 4) < 0)
+ return -EINVAL;
+
+ writel(val, (void __iomem *)io_p2v(adr));
+ }
+ return 0;
+}
+
+int xc_request_firmware(struct xc *x)
+{
+ int ret;
+ char name[16];
+ const struct firmware *fw;
+ struct fw_header *head;
+ unsigned int size;
+ int i;
+ void *src;
+ unsigned long dst;
+
+ sprintf(name, "xc%d.bin", x->no);
+
+ ret = request_firmware(&fw, name, x->dev);
+
+ if (ret < 0) {
+ dev_err(x->dev, "request_firmware failed\n");
+ return ret;
+ }
+
+ head = (struct fw_header *)fw->data;
+ if (head->magic != 0x4e657458) {
+ if (head->magic == 0x5874654e) {
+ dev_err(x->dev,
+ "firmware magic is 'XteN'. Endianess problems?\n");
+ ret = -ENODEV;
+ goto exit_release_firmware;
+ }
+ dev_err(x->dev, "unrecognized firmware magic 0x%08x\n",
+ head->magic);
+ ret = -ENODEV;
+ goto exit_release_firmware;
+ }
+
+ x->type = head->type;
+ x->version = head->version;
+
+ ret = -EINVAL;
+
+ for (i = 0; i < 3; i++) {
+ src = fw->data + head->fw_desc[i].ofs;
+ dst = *(unsigned int *)src;
+ src += sizeof (unsigned int);
+ size = head->fw_desc[i].size - sizeof (unsigned int);
+
+ if (xc_check_ptr(x, dst, size))
+ goto exit_release_firmware;
+
+ memcpy((void *)io_p2v(dst), src, size);
+
+ src = fw->data + head->fw_desc[i].patch_ofs;
+ size = head->fw_desc[i].patch_entries;
+ ret = xc_patch(x, src, size);
+ if (ret < 0)
+ goto exit_release_firmware;
+ }
+
+ ret = 0;
+
+ exit_release_firmware:
+ release_firmware(fw);
+
+ return ret;
+}
+
+struct xc *request_xc(int xcno, struct device *dev)
+{
+ struct xc *x = NULL;
+
+ mutex_lock(&xc_lock);
+
+ if (xcno > 3)
+ goto exit;
+ if (xc_in_use & (1 << xcno))
+ goto exit;
+
+ x = kmalloc(sizeof (struct xc), GFP_KERNEL);
+ if (!x)
+ goto exit;
+
+ if (!request_mem_region
+ (NETX_PA_XPEC(xcno), XPEC_MEM_SIZE, dev->kobj.name))
+ goto exit_free;
+
+ if (!request_mem_region
+ (NETX_PA_XMAC(xcno), XMAC_MEM_SIZE, dev->kobj.name))
+ goto exit_release_1;
+
+ if (!request_mem_region
+ (SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE, dev->kobj.name))
+ goto exit_release_2;
+
+ x->xpec_base = (void * __iomem)io_p2v(NETX_PA_XPEC(xcno));
+ x->xmac_base = (void * __iomem)io_p2v(NETX_PA_XMAC(xcno));
+ x->sram_base = ioremap(SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE);
+ if (!x->sram_base)
+ goto exit_release_3;
+
+ x->irq = NETX_IRQ_XPEC(xcno);
+
+ x->no = xcno;
+ x->dev = dev;
+
+ xc_in_use |= (1 << xcno);
+
+ goto exit;
+
+ exit_release_3:
+ release_mem_region(SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE);
+ exit_release_2:
+ release_mem_region(NETX_PA_XMAC(xcno), XMAC_MEM_SIZE);
+ exit_release_1:
+ release_mem_region(NETX_PA_XPEC(xcno), XPEC_MEM_SIZE);
+ exit_free:
+ kfree(x);
+ x = NULL;
+ exit:
+ mutex_unlock(&xc_lock);
+ return x;
+}
+
+void free_xc(struct xc *x)
+{
+ int xcno = x->no;
+
+ mutex_lock(&xc_lock);
+
+ iounmap(x->sram_base);
+ release_mem_region(SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE);
+ release_mem_region(NETX_PA_XMAC(xcno), XMAC_MEM_SIZE);
+ release_mem_region(NETX_PA_XPEC(xcno), XPEC_MEM_SIZE);
+ xc_in_use &= ~(1 << x->no);
+ kfree(x);
+
+ mutex_unlock(&xc_lock);
+}
+
+EXPORT_SYMBOL(free_xc);
+EXPORT_SYMBOL(request_xc);
+EXPORT_SYMBOL(xc_request_firmware);
+EXPORT_SYMBOL(xc_reset);
+EXPORT_SYMBOL(xc_running);
+EXPORT_SYMBOL(xc_start);
+EXPORT_SYMBOL(xc_stop);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.