2010-07-27 09:44:37 -06:00
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/*
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2012-04-22 04:01:19 -06:00
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* Platform support for LPC32xx SoC
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2010-07-27 09:44:37 -06:00
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*
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* Author: Kevin Wells <kevin.wells@nxp.com>
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*
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2012-04-22 04:01:19 -06:00
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* Copyright (C) 2012 Roland Stigge <stigge@antcom.de>
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2010-07-27 09:44:37 -06:00
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* Copyright (C) 2010 NXP Semiconductors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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2011-12-21 17:26:03 -07:00
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#include <linux/device.h>
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2010-07-27 09:44:37 -06:00
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/dma-mapping.h>
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#include <linux/gpio.h>
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#include <linux/amba/bus.h>
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#include <linux/amba/clcd.h>
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2012-06-14 08:16:17 -06:00
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#include <linux/amba/pl08x.h>
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#include <linux/amba/mmci.h>
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2012-04-22 04:01:19 -06:00
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include <linux/of_irq.h>
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#include <linux/of_platform.h>
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#include <linux/clk.h>
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2012-09-06 03:39:18 -06:00
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#include <linux/mtd/lpc32xx_slc.h>
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#include <linux/mtd/lpc32xx_mlc.h>
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2010-07-27 09:44:37 -06:00
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/hardware.h>
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#include <mach/platform.h>
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2012-03-12 15:27:28 -06:00
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#include <mach/board.h>
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2010-07-27 09:44:37 -06:00
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#include "common.h"
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/*
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* AMBA LCD controller
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*/
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static struct clcd_panel conn_lcd_panel = {
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.mode = {
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.name = "QVGA portrait",
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.refresh = 60,
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.xres = 240,
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.yres = 320,
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.pixclock = 191828,
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.left_margin = 22,
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.right_margin = 11,
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.upper_margin = 2,
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.lower_margin = 1,
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.hsync_len = 5,
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.vsync_len = 2,
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.sync = 0,
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.vmode = FB_VMODE_NONINTERLACED,
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},
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.width = -1,
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.height = -1,
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.tim2 = (TIM2_IVS | TIM2_IHS),
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.cntl = (CNTL_BGR | CNTL_LCDTFT | CNTL_LCDVCOMP(1) |
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CNTL_LCDBPP16_565),
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.bpp = 16,
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};
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#define PANEL_SIZE (3 * SZ_64K)
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static int lpc32xx_clcd_setup(struct clcd_fb *fb)
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{
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dma_addr_t dma;
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dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc()
Rename dma_*_writecombine() to dma_*_wc(), so that the naming
is coherent across the various write-combining APIs. Keep the
old names for compatibility for a while, these can be removed
at a later time. A guard is left to enable backporting of the
rename, and later remove of the old mapping defines seemlessly.
Build tested successfully with allmodconfig.
The following Coccinelle SmPL patch was used for this simple
transformation:
@ rename_dma_alloc_writecombine @
expression dev, size, dma_addr, gfp;
@@
-dma_alloc_writecombine(dev, size, dma_addr, gfp)
+dma_alloc_wc(dev, size, dma_addr, gfp)
@ rename_dma_free_writecombine @
expression dev, size, cpu_addr, dma_addr;
@@
-dma_free_writecombine(dev, size, cpu_addr, dma_addr)
+dma_free_wc(dev, size, cpu_addr, dma_addr)
@ rename_dma_mmap_writecombine @
expression dev, vma, cpu_addr, dma_addr, size;
@@
-dma_mmap_writecombine(dev, vma, cpu_addr, dma_addr, size)
+dma_mmap_wc(dev, vma, cpu_addr, dma_addr, size)
We also keep the old names as compatibility helpers, and
guard against their definition to make backporting easier.
Generated-by: Coccinelle SmPL
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: airlied@linux.ie
Cc: akpm@linux-foundation.org
Cc: benh@kernel.crashing.org
Cc: bhelgaas@google.com
Cc: bp@suse.de
Cc: dan.j.williams@intel.com
Cc: daniel.vetter@ffwll.ch
Cc: dhowells@redhat.com
Cc: julia.lawall@lip6.fr
Cc: konrad.wilk@oracle.com
Cc: linux-fbdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: luto@amacapital.net
Cc: mst@redhat.com
Cc: tomi.valkeinen@ti.com
Cc: toshi.kani@hp.com
Cc: vinod.koul@intel.com
Cc: xen-devel@lists.xensource.com
Link: http://lkml.kernel.org/r/1453516462-4844-1-git-send-email-mcgrof@do-not-panic.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-01-22 19:34:22 -07:00
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fb->fb.screen_base = dma_alloc_wc(&fb->dev->dev, PANEL_SIZE, &dma,
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GFP_KERNEL);
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2010-07-27 09:44:37 -06:00
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if (!fb->fb.screen_base) {
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printk(KERN_ERR "CLCD: unable to map framebuffer\n");
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return -ENOMEM;
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}
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fb->fb.fix.smem_start = dma;
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fb->fb.fix.smem_len = PANEL_SIZE;
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fb->panel = &conn_lcd_panel;
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return 0;
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}
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static int lpc32xx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
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{
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dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc()
Rename dma_*_writecombine() to dma_*_wc(), so that the naming
is coherent across the various write-combining APIs. Keep the
old names for compatibility for a while, these can be removed
at a later time. A guard is left to enable backporting of the
rename, and later remove of the old mapping defines seemlessly.
Build tested successfully with allmodconfig.
The following Coccinelle SmPL patch was used for this simple
transformation:
@ rename_dma_alloc_writecombine @
expression dev, size, dma_addr, gfp;
@@
-dma_alloc_writecombine(dev, size, dma_addr, gfp)
+dma_alloc_wc(dev, size, dma_addr, gfp)
@ rename_dma_free_writecombine @
expression dev, size, cpu_addr, dma_addr;
@@
-dma_free_writecombine(dev, size, cpu_addr, dma_addr)
+dma_free_wc(dev, size, cpu_addr, dma_addr)
@ rename_dma_mmap_writecombine @
expression dev, vma, cpu_addr, dma_addr, size;
@@
-dma_mmap_writecombine(dev, vma, cpu_addr, dma_addr, size)
+dma_mmap_wc(dev, vma, cpu_addr, dma_addr, size)
We also keep the old names as compatibility helpers, and
guard against their definition to make backporting easier.
Generated-by: Coccinelle SmPL
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: airlied@linux.ie
Cc: akpm@linux-foundation.org
Cc: benh@kernel.crashing.org
Cc: bhelgaas@google.com
Cc: bp@suse.de
Cc: dan.j.williams@intel.com
Cc: daniel.vetter@ffwll.ch
Cc: dhowells@redhat.com
Cc: julia.lawall@lip6.fr
Cc: konrad.wilk@oracle.com
Cc: linux-fbdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: luto@amacapital.net
Cc: mst@redhat.com
Cc: tomi.valkeinen@ti.com
Cc: toshi.kani@hp.com
Cc: vinod.koul@intel.com
Cc: xen-devel@lists.xensource.com
Link: http://lkml.kernel.org/r/1453516462-4844-1-git-send-email-mcgrof@do-not-panic.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-01-22 19:34:22 -07:00
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return dma_mmap_wc(&fb->dev->dev, vma, fb->fb.screen_base,
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fb->fb.fix.smem_start, fb->fb.fix.smem_len);
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2010-07-27 09:44:37 -06:00
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}
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static void lpc32xx_clcd_remove(struct clcd_fb *fb)
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{
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dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc()
Rename dma_*_writecombine() to dma_*_wc(), so that the naming
is coherent across the various write-combining APIs. Keep the
old names for compatibility for a while, these can be removed
at a later time. A guard is left to enable backporting of the
rename, and later remove of the old mapping defines seemlessly.
Build tested successfully with allmodconfig.
The following Coccinelle SmPL patch was used for this simple
transformation:
@ rename_dma_alloc_writecombine @
expression dev, size, dma_addr, gfp;
@@
-dma_alloc_writecombine(dev, size, dma_addr, gfp)
+dma_alloc_wc(dev, size, dma_addr, gfp)
@ rename_dma_free_writecombine @
expression dev, size, cpu_addr, dma_addr;
@@
-dma_free_writecombine(dev, size, cpu_addr, dma_addr)
+dma_free_wc(dev, size, cpu_addr, dma_addr)
@ rename_dma_mmap_writecombine @
expression dev, vma, cpu_addr, dma_addr, size;
@@
-dma_mmap_writecombine(dev, vma, cpu_addr, dma_addr, size)
+dma_mmap_wc(dev, vma, cpu_addr, dma_addr, size)
We also keep the old names as compatibility helpers, and
guard against their definition to make backporting easier.
Generated-by: Coccinelle SmPL
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: airlied@linux.ie
Cc: akpm@linux-foundation.org
Cc: benh@kernel.crashing.org
Cc: bhelgaas@google.com
Cc: bp@suse.de
Cc: dan.j.williams@intel.com
Cc: daniel.vetter@ffwll.ch
Cc: dhowells@redhat.com
Cc: julia.lawall@lip6.fr
Cc: konrad.wilk@oracle.com
Cc: linux-fbdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: luto@amacapital.net
Cc: mst@redhat.com
Cc: tomi.valkeinen@ti.com
Cc: toshi.kani@hp.com
Cc: vinod.koul@intel.com
Cc: xen-devel@lists.xensource.com
Link: http://lkml.kernel.org/r/1453516462-4844-1-git-send-email-mcgrof@do-not-panic.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-01-22 19:34:22 -07:00
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dma_free_wc(&fb->dev->dev, fb->fb.fix.smem_len, fb->fb.screen_base,
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fb->fb.fix.smem_start);
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2010-07-27 09:44:37 -06:00
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}
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static struct clcd_board lpc32xx_clcd_data = {
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.name = "Phytec LCD",
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.check = clcdfb_check,
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.decode = clcdfb_decode,
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.setup = lpc32xx_clcd_setup,
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.mmap = lpc32xx_clcd_mmap,
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.remove = lpc32xx_clcd_remove,
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};
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2012-06-14 08:16:17 -06:00
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static struct pl08x_channel_data pl08x_slave_channels[] = {
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{
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.bus_id = "nand-slc",
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.min_signal = 1, /* SLC NAND Flash */
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.max_signal = 1,
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.periph_buses = PL08X_AHB1,
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},
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{
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.bus_id = "nand-mlc",
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.min_signal = 12, /* MLC NAND Flash */
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.max_signal = 12,
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.periph_buses = PL08X_AHB1,
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},
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};
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2012-07-12 06:01:04 -06:00
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static int pl08x_get_signal(const struct pl08x_channel_data *cd)
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2012-06-14 08:16:17 -06:00
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{
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2012-07-12 06:01:04 -06:00
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return cd->min_signal;
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2012-06-14 08:16:17 -06:00
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}
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2012-07-12 06:01:04 -06:00
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static void pl08x_put_signal(const struct pl08x_channel_data *cd, int ch)
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2012-06-14 08:16:17 -06:00
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{
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}
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2012-04-22 04:01:19 -06:00
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static struct pl08x_platform_data pl08x_pd = {
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2012-06-14 08:16:17 -06:00
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.slave_channels = &pl08x_slave_channels[0],
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.num_slave_channels = ARRAY_SIZE(pl08x_slave_channels),
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2013-06-19 13:38:28 -06:00
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.get_xfer_signal = pl08x_get_signal,
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.put_xfer_signal = pl08x_put_signal,
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2012-06-14 08:16:17 -06:00
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.lli_buses = PL08X_AHB1,
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.mem_buses = PL08X_AHB1,
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2010-07-27 09:44:37 -06:00
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};
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2012-06-14 08:16:17 -06:00
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static struct mmci_platform_data lpc32xx_mmci_data = {
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.ocr_mask = MMC_VDD_30_31 | MMC_VDD_31_32 |
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MMC_VDD_32_33 | MMC_VDD_33_34,
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};
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2012-09-06 03:39:18 -06:00
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static struct lpc32xx_slc_platform_data lpc32xx_slc_data = {
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.dma_filter = pl08x_filter_id,
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};
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static struct lpc32xx_mlc_platform_data lpc32xx_mlc_data = {
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.dma_filter = pl08x_filter_id,
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};
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2016-04-17 19:37:38 -06:00
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static const struct of_dev_auxdata lpc32xx_auxdata_lookup[] __initconst = {
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2012-09-25 02:15:49 -06:00
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OF_DEV_AUXDATA("arm,pl022", 0x20084000, "dev:ssp0", NULL),
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OF_DEV_AUXDATA("arm,pl022", 0x2008C000, "dev:ssp1", NULL),
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2012-04-22 04:01:19 -06:00
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OF_DEV_AUXDATA("arm,pl110", 0x31040000, "dev:clcd", &lpc32xx_clcd_data),
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OF_DEV_AUXDATA("arm,pl080", 0x31000000, "pl08xdmac", &pl08x_pd),
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2012-06-14 08:16:17 -06:00
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OF_DEV_AUXDATA("arm,pl18x", 0x20098000, "20098000.sd",
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&lpc32xx_mmci_data),
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2012-09-06 03:39:18 -06:00
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OF_DEV_AUXDATA("nxp,lpc3220-slc", 0x20020000, "20020000.flash",
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&lpc32xx_slc_data),
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OF_DEV_AUXDATA("nxp,lpc3220-mlc", 0x200a8000, "200a8000.flash",
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&lpc32xx_mlc_data),
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2012-04-22 04:01:19 -06:00
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{ }
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2010-07-27 09:44:37 -06:00
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};
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2012-04-22 04:01:19 -06:00
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static void __init lpc3250_machine_init(void)
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2010-07-27 09:44:37 -06:00
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{
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u32 tmp;
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/* Setup LCD muxing to RGB565 */
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tmp = __raw_readl(LPC32XX_CLKPWR_LCDCLK_CTRL) &
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~(LPC32XX_CLKPWR_LCDCTRL_LCDTYPE_MSK |
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LPC32XX_CLKPWR_LCDCTRL_PSCALE_MSK);
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tmp |= LPC32XX_CLKPWR_LCDCTRL_LCDTYPE_TFT16;
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__raw_writel(tmp, LPC32XX_CLKPWR_LCDCLK_CTRL);
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lpc32xx_serial_init();
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/* Test clock needed for UDA1380 initial init */
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__raw_writel(LPC32XX_CLKPWR_TESTCLK2_SEL_MOSC |
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LPC32XX_CLKPWR_TESTCLK_TESTCLK2_EN,
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LPC32XX_CLKPWR_TEST_CLK_SEL);
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2016-06-01 00:53:05 -06:00
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of_platform_default_populate(NULL, lpc32xx_auxdata_lookup, NULL);
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2010-07-27 09:44:37 -06:00
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}
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2015-07-27 16:27:52 -06:00
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static const char *const lpc32xx_dt_compat[] __initconst = {
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2012-04-22 04:01:19 -06:00
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"nxp,lpc3220",
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"nxp,lpc3230",
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"nxp,lpc3240",
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"nxp,lpc3250",
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NULL
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};
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DT_MACHINE_START(LPC32XX_DT, "LPC32XX SoC (Flattened Device Tree)")
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2011-07-05 20:38:14 -06:00
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.atag_offset = 0x100,
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2010-07-27 09:44:37 -06:00
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|
|
.map_io = lpc32xx_map_io,
|
2012-04-22 04:01:19 -06:00
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|
|
.init_machine = lpc3250_machine_init,
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|
|
|
.dt_compat = lpc32xx_dt_compat,
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2010-07-27 09:44:37 -06:00
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|
|
MACHINE_END
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