---
Changes in v3:
- remove "select VIDEO"
- remove vexpress_syscfg
Changes in v2:
- patch added
---
xen/arch/arm/Kconfig | 2 -
xen/arch/arm/platforms/vexpress.c | 35 ----
xen/drivers/video/Kconfig | 3 -
xen/drivers/video/Makefile | 1 -
xen/drivers/video/arm_hdlcd.c | 281 -------------------------------
xen/include/asm-arm/platforms/vexpress.h | 6 -
6 files changed, 328 deletions(-)
delete mode 100644 xen/drivers/video/arm_hdlcd.c
diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
index 8174c0c..4dc7ef5 100644
--- a/xen/arch/arm/Kconfig
+++ b/xen/arch/arm/Kconfig
@@ -17,12 +17,10 @@ config ARM_64
config ARM
def_bool y
select HAS_ALTERNATIVE
- select HAS_ARM_HDLCD
select HAS_DEVICE_TREE
select HAS_MEM_ACCESS
select HAS_PASSTHROUGH
select HAS_PDX
- select VIDEO
config ARCH_DEFCONFIG
string
diff --git a/xen/arch/arm/platforms/vexpress.c
b/xen/arch/arm/platforms/vexpress.c
index 70839d6..b6193f7 100644
--- a/xen/arch/arm/platforms/vexpress.c
+++ b/xen/arch/arm/platforms/vexpress.c
@@ -59,41 +59,6 @@ static inline int vexpress_ctrl_start(uint32_t *syscfg, int
write,
return 0;
}
-int vexpress_syscfg(int write, int function, int device, uint32_t *data)
-{
- uint32_t *syscfg = (uint32_t *) FIXMAP_ADDR(FIXMAP_MISC);
- int ret = -1;
-
- set_fixmap(FIXMAP_MISC, maddr_to_mfn(V2M_SYS_MMIO_BASE),
- PAGE_HYPERVISOR_NOCACHE);
-
- if ( syscfg[V2M_SYS_CFGCTRL/4] & V2M_SYS_CFG_START )
- goto out;
-
- /* clear the complete bit in the V2M_SYS_CFGSTAT status register */
- syscfg[V2M_SYS_CFGSTAT/4] = 0;
-
- if ( write )
- {
- /* write data */
- syscfg[V2M_SYS_CFGDATA/4] = *data;
-
- if ( vexpress_ctrl_start(syscfg, write, function, device) < 0 )
- goto out;
- } else {
- if ( vexpress_ctrl_start(syscfg, write, function, device) < 0 )
- goto out;
- else
- /* read data */
- *data = syscfg[V2M_SYS_CFGDATA/4];
- }
-
- ret = 0;
-out:
- clear_fixmap(FIXMAP_MISC);
- return ret;
-}
-
/*
* TODO: Get base address from the device tree
* See arm,vexpress-reset node
diff --git a/xen/drivers/video/Kconfig b/xen/drivers/video/Kconfig
index 52e8ce6..41ca503 100644
--- a/xen/drivers/video/Kconfig
+++ b/xen/drivers/video/Kconfig
@@ -11,6 +11,3 @@ config VGA
Enable VGA output for the Xen hypervisor.
If unsure, say Y.
-
-config HAS_ARM_HDLCD
- bool
diff --git a/xen/drivers/video/Makefile b/xen/drivers/video/Makefile
index 2bb91d6..2b3fc76 100644
--- a/xen/drivers/video/Makefile
+++ b/xen/drivers/video/Makefile
@@ -4,4 +4,3 @@ obj-$(CONFIG_VIDEO) += font_8x16.o
obj-$(CONFIG_VIDEO) += font_8x8.o
obj-$(CONFIG_VIDEO) += lfb.o
obj-$(CONFIG_VGA) += vesa.o
-obj-$(CONFIG_HAS_ARM_HDLCD) += arm_hdlcd.o
diff --git a/xen/drivers/video/arm_hdlcd.c b/xen/drivers/video/arm_hdlcd.c
deleted file mode 100644
index e1174b2..0000000
--- a/xen/drivers/video/arm_hdlcd.c
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * xen/drivers/video/arm_hdlcd.c
- *
- * Driver for ARM HDLCD Controller
- *
- * Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
- * Copyright (c) 2013 Citrix Systems.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- */
-
-#include <asm/delay.h>
-#include <asm/types.h>
-#include <asm/platforms/vexpress.h>
-#include <xen/device_tree.h>
-#include <xen/libfdt/libfdt.h>
-#include <xen/init.h>
-#include <xen/mm.h>
-#include "font.h"
-#include "lfb.h"
-#include "modelines.h"
-
-#define HDLCD ((volatile uint32_t *) FIXMAP_ADDR(FIXMAP_MISC))
-
-#define HDLCD_INTMASK (0x18/4)
-#define HDLCD_FBBASE (0x100/4)
-#define HDLCD_LINELENGTH (0x104/4)
-#define HDLCD_LINECOUNT (0x108/4)
-#define HDLCD_LINEPITCH (0x10C/4)
-#define HDLCD_BUS (0x110/4)
-#define HDLCD_VSYNC (0x200/4)
-#define HDLCD_VBACK (0x204/4)
-#define HDLCD_VDATA (0x208/4)
-#define HDLCD_VFRONT (0x20C/4)
-#define HDLCD_HSYNC (0x210/4)
-#define HDLCD_HBACK (0x214/4)
-#define HDLCD_HDATA (0x218/4)
-#define HDLCD_HFRONT (0x21C/4)
-#define HDLCD_POLARITIES (0x220/4)
-#define HDLCD_COMMAND (0x230/4)
-#define HDLCD_PF (0x240/4)
-#define HDLCD_RED (0x244/4)
-#define HDLCD_GREEN (0x248/4)
-#define HDLCD_BLUE (0x24C/4)
-
-struct color_masks {
- int red_shift;
- int red_size;
- int green_shift;
- int green_size;
- int blue_shift;
- int blue_size;
-};
-
-struct pixel_colors {
- const char* bpp;
- struct color_masks colors;
-};
-
-struct pixel_colors __initdata colors[] = {
- { "16", { 0, 5, 11, 5, 6, 5 } },
- { "24", { 0, 8, 16, 8, 8, 8 } },
- { "32", { 0, 8, 16, 8, 8, 8 } },
-};
-
-static void vga_noop_puts(const char *s) {}
-void (*video_puts)(const char *) = vga_noop_puts;
-
-static void hdlcd_flush(void)
-{
- dsb(sy);
-}
-
-static int __init get_color_masks(const char* bpp, struct color_masks **masks)
-{
- int i;
- for ( i = 0; i < ARRAY_SIZE(colors); i++ )
- {
- if ( !strncmp(colors[i].bpp, bpp, 2) )
- {
- *masks = &colors[i].colors;
- return 0;
- }
- }
- return -1;
-}
-
-static void __init set_pixclock(uint32_t pixclock)
-{
- if ( dt_find_compatible_node(NULL, NULL, "arm,vexpress") )
- vexpress_syscfg(1, V2M_SYS_CFG_OSC_FUNC,
- V2M_SYS_CFG_OSC5, &pixclock);
-}
-
-void __init video_init(void)
-{
- struct lfb_prop lfbp;
- unsigned char *lfb;
- paddr_t hdlcd_start, hdlcd_size;
- paddr_t framebuffer_start, framebuffer_size;
- const char *mode_string;
- char _mode_string[16];
- int bytes_per_pixel = 4;
- struct color_masks *c = NULL;
- struct modeline *videomode = NULL;
- int i;
- const struct dt_device_node *dev;
- const __be32 *cells;
- u32 lenp;
- int res;
-
- dev = dt_find_compatible_node(NULL, NULL, "arm,hdlcd");
-
- if ( !dev )
- {
- printk("HDLCD: Cannot find node compatible with \"arm,hdcld\"\n");
- return;
- }
-
- res = dt_device_get_address(dev, 0, &hdlcd_start, &hdlcd_size);
- if ( !res )
- {
- printk("HDLCD: Unable to retrieve MMIO base address\n");
- return;
- }
-
- cells = dt_get_property(dev, "framebuffer", &lenp);
- if ( !cells )
- {
- printk("HDLCD: Unable to retrieve framebuffer property\n");
- return;
- }
-
- framebuffer_start = dt_next_cell(dt_n_addr_cells(dev), &cells);
- framebuffer_size = dt_next_cell(dt_n_size_cells(dev), &cells);
-
- if ( !hdlcd_start )
- {
- printk(KERN_ERR "HDLCD: address missing from device tree, disabling
driver\n");
- return;
- }
-
- if ( !framebuffer_start )
- {
- printk(KERN_ERR "HDLCD: framebuffer address missing from device tree,
disabling driver\n");
- return;
- }
-
- res = dt_property_read_string(dev, "mode", &mode_string);
- if ( res )
- {
- get_color_masks("32", &c);
- memcpy(_mode_string, "1280x1024@60", strlen("1280x1024@60") + 1);
- bytes_per_pixel = 4;
- }
- else if ( strlen(mode_string) < strlen("800x600@60") ||
- strlen(mode_string) > sizeof(_mode_string) - 1 )
- {
- printk(KERN_ERR "HDLCD: invalid modeline=%s\n", mode_string);
- return;
- } else {
- char *s = strchr(mode_string, '-');
- if ( !s )
- {
- printk(KERN_INFO "HDLCD: bpp not found in modeline %s, assume 32
bpp\n",
- mode_string);
- get_color_masks("32", &c);
- memcpy(_mode_string, mode_string, strlen(mode_string) + 1);
- bytes_per_pixel = 4;
- } else {
- if ( strlen(s) < 6 )
- {
- printk(KERN_ERR "HDLCD: invalid mode %s\n", mode_string);
- return;
- }
- s++;
- if ( get_color_masks(s, &c) < 0 )
- {
- printk(KERN_WARNING "HDLCD: unsupported bpp %s\n", s);
- return;
- }
- bytes_per_pixel = simple_strtoll(s, NULL, 10) / 8;
- }
- i = s - mode_string - 1;
- memcpy(_mode_string, mode_string, i);
- memcpy(_mode_string + i, mode_string + i + 3, 4);
- }
-
- for ( i = 0; i < ARRAY_SIZE(videomodes); i++ ) {
- if ( !strcmp(_mode_string, videomodes[i].mode) )
- {
- videomode = &videomodes[i];
- break;
- }
- }
- if ( !videomode )
- {
- printk(KERN_WARNING "HDLCD: unsupported videomode %s\n",
- _mode_string);
- return;
- }
-
- if ( framebuffer_size < bytes_per_pixel * videomode->xres *
videomode->yres )
- {
- printk(KERN_ERR "HDLCD: the framebuffer is too small, disabling the HDLCD
driver\n");
- return;
- }
-
- printk(KERN_INFO "Initializing HDLCD driver\n");
-
- lfb = ioremap_wc(framebuffer_start, framebuffer_size);
- if ( !lfb )
- {
- printk(KERN_ERR "Couldn't map the framebuffer\n");
- return;
- }
- memset(lfb, 0x00, bytes_per_pixel * videomode->xres * videomode->yres);
-
- /* uses FIXMAP_MISC */
- set_pixclock(videomode->pixclock);
-
- set_fixmap(FIXMAP_MISC, maddr_to_mfn(hdlcd_start),
PAGE_HYPERVISOR_NOCACHE);
- HDLCD[HDLCD_COMMAND] = 0;
-
- HDLCD[HDLCD_LINELENGTH] = videomode->xres * bytes_per_pixel;
- HDLCD[HDLCD_LINECOUNT] = videomode->yres - 1;
- HDLCD[HDLCD_LINEPITCH] = videomode->xres * bytes_per_pixel;
- HDLCD[HDLCD_PF] = ((bytes_per_pixel - 1) << 3);
- HDLCD[HDLCD_INTMASK] = 0;
- HDLCD[HDLCD_FBBASE] = framebuffer_start;
- HDLCD[HDLCD_BUS] = 0xf00 | (1 << 4);
- HDLCD[HDLCD_VBACK] = videomode->vback - 1;
- HDLCD[HDLCD_VSYNC] = videomode->vsync - 1;
- HDLCD[HDLCD_VDATA] = videomode->yres - 1;
- HDLCD[HDLCD_VFRONT] = videomode->vfront - 1;
- HDLCD[HDLCD_HBACK] = videomode->hback - 1;
- HDLCD[HDLCD_HSYNC] = videomode->hsync - 1;
- HDLCD[HDLCD_HDATA] = videomode->xres - 1;
- HDLCD[HDLCD_HFRONT] = videomode->hfront - 1;
- HDLCD[HDLCD_POLARITIES] = (1 << 2) | (1 << 3);
- HDLCD[HDLCD_RED] = (c->red_size << 8) | c->red_shift;
- HDLCD[HDLCD_GREEN] = (c->green_size << 8) | c->green_shift;
- HDLCD[HDLCD_BLUE] = (c->blue_size << 8) | c->blue_shift;
- HDLCD[HDLCD_COMMAND] = 1;
- clear_fixmap(FIXMAP_MISC);
-
- lfbp.pixel_on = (((1 << c->red_size) - 1) << c->red_shift) |
- (((1 << c->green_size) - 1) << c->green_shift) |
- (((1 << c->blue_size) - 1) << c->blue_shift);
- lfbp.lfb = lfb;
- lfbp.font = &font_vga_8x16;
- lfbp.bits_per_pixel = bytes_per_pixel*8;
- lfbp.bytes_per_line = bytes_per_pixel*videomode->xres;
- lfbp.width = videomode->xres;
- lfbp.height = videomode->yres;
- lfbp.flush = hdlcd_flush;
- lfbp.text_columns = videomode->xres / 8;
- lfbp.text_rows = videomode->yres / 16;
- if ( lfb_init(&lfbp) < 0 )
- return;
- video_puts = lfb_scroll_puts;
-}
-
-void __init video_endboot(void) { }
-
-/*
- * Local variables:
- * mode: C
- * c-file-style: "BSD"
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- */
diff --git a/xen/include/asm-arm/platforms/vexpress.h
b/xen/include/asm-arm/platforms/vexpress.h
index 5cf3aba..8b45d3a 100644
--- a/xen/include/asm-arm/platforms/vexpress.h
+++ b/xen/include/asm-arm/platforms/vexpress.h
@@ -26,12 +26,6 @@
/* Board-specific: base address of system controller */
#define SP810_ADDRESS 0x1C020000
-#ifndef __ASSEMBLY__
-#include <xen/inttypes.h>
-
-int vexpress_syscfg(int write, int function, int device, uint32_t *data);
-#endif
-
#endif /* __ASM_ARM_PLATFORMS_VEXPRESS_H */
/*
* Local variables:
