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-rw-r--r--arch/sandbox/cpu/start.c9
-rw-r--r--arch/sandbox/include/asm/state.h1
-rw-r--r--arch/sandbox/include/asm/u-boot-sandbox.h3
-rw-r--r--board/sandbox/sandbox/sandbox.c18
-rw-r--r--common/lcd.c21
-rw-r--r--doc/device-tree-bindings/video/sandbox-fb.txt13
-rw-r--r--drivers/serial/sandbox.c4
-rw-r--r--drivers/video/Makefile1
-rw-r--r--drivers/video/sandbox_sdl.c79
-rw-r--r--include/fdtdec.h1
-rw-r--r--include/lcd.h3
-rw-r--r--lib/fdtdec.c1
12 files changed, 150 insertions, 4 deletions
diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index 2d19fe7..4d5569e 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -175,6 +175,15 @@ static int sandbox_cmdline_cb_ignore_missing(struct sandbox_state *state,
SANDBOX_CMDLINE_OPT_SHORT(ignore_missing, 'n', 0,
"Ignore missing state on read");
+static int sandbox_cmdline_cb_show_lcd(struct sandbox_state *state,
+ const char *arg)
+{
+ state->show_lcd = true;
+ return 0;
+}
+SANDBOX_CMDLINE_OPT_SHORT(show_lcd, 'l', 0,
+ "Show the sandbox LCD display");
+
int main(int argc, char *argv[])
{
struct sandbox_state *state;
diff --git a/arch/sandbox/include/asm/state.h b/arch/sandbox/include/asm/state.h
index 304104e..895b3a4 100644
--- a/arch/sandbox/include/asm/state.h
+++ b/arch/sandbox/include/asm/state.h
@@ -41,6 +41,7 @@ struct sandbox_state {
bool read_state; /* Read sandbox state on startup */
bool write_state; /* Write sandbox state on exit */
bool ignore_missing_state_on_read; /* No error if state missing */
+ bool show_lcd; /* Show LCD on start-up */
/* Pointer to information for each SPI bus/cs */
struct sandbox_spi_info spi[CONFIG_SANDBOX_SPI_MAX_BUS]
diff --git a/arch/sandbox/include/asm/u-boot-sandbox.h b/arch/sandbox/include/asm/u-boot-sandbox.h
index 5707c27..d2f1b65 100644
--- a/arch/sandbox/include/asm/u-boot-sandbox.h
+++ b/arch/sandbox/include/asm/u-boot-sandbox.h
@@ -25,4 +25,7 @@ int sandbox_main_loop_init(void);
int cleanup_before_linux(void);
+/* drivers/video/sandbox_sdl.c */
+int sandbox_lcd_sdl_early_init(void);
+
#endif /* _U_BOOT_SANDBOX_H_ */
diff --git a/board/sandbox/sandbox/sandbox.c b/board/sandbox/sandbox/sandbox.c
index 402afea..e4d4e02 100644
--- a/board/sandbox/sandbox/sandbox.c
+++ b/board/sandbox/sandbox/sandbox.c
@@ -7,6 +7,7 @@
#include <cros_ec.h>
#include <dm.h>
#include <os.h>
+#include <asm/u-boot-sandbox.h>
/*
* Pointer to initial global data area
@@ -35,6 +36,23 @@ int dram_init(void)
return 0;
}
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+#ifdef CONFIG_VIDEO_SANDBOX_SDL
+ int ret;
+
+ ret = sandbox_lcd_sdl_early_init();
+ if (ret) {
+ puts("Could not init sandbox LCD emulation\n");
+ return ret;
+ }
+#endif
+
+ return 0;
+}
+#endif
+
int arch_early_init_r(void)
{
#ifdef CONFIG_CROS_EC
diff --git a/common/lcd.c b/common/lcd.c
index aa81522..19b86b7 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -28,6 +28,8 @@
#include <watchdog.h>
#include <asm/unaligned.h>
#include <splash.h>
+#include <asm/io.h>
+#include <asm/unaligned.h>
#if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
defined(CONFIG_CPU_MONAHANS)
@@ -63,6 +65,10 @@
# endif
#endif
+#ifdef CONFIG_SANDBOX
+#include <asm/sdl.h>
+#endif
+
#ifndef CONFIG_LCD_ALIGNMENT
#define CONFIG_LCD_ALIGNMENT PAGE_SIZE
#endif
@@ -144,6 +150,13 @@ void lcd_sync(void)
if (lcd_flush_dcache)
flush_dcache_range((u32)lcd_base,
(u32)(lcd_base + lcd_get_size(&line_length)));
+#elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL)
+ static ulong last_sync;
+
+ if (get_timer(last_sync) > 10) {
+ sandbox_sdl_sync(lcd_base);
+ last_sync = get_timer(0);
+ }
#endif
}
@@ -403,7 +416,7 @@ int drv_lcd_init(void)
struct stdio_dev lcddev;
int rc;
- lcd_base = (void *) gd->fb_base;
+ lcd_base = map_sysmem(gd->fb_base, 0);
lcd_init(lcd_base); /* LCD initialization */
@@ -494,8 +507,8 @@ static int lcd_init(void *lcdbase)
* by setting up gd->fb_base. Check for this condition and fixup
* 'lcd_base' address.
*/
- if ((unsigned long)lcdbase != gd->fb_base)
- lcd_base = (void *)gd->fb_base;
+ if (map_to_sysmem(lcdbase) != gd->fb_base)
+ lcd_base = map_sysmem(gd->fb_base, 0);
debug("[LCD] Using LCD frambuffer at %p\n", lcd_base);
@@ -886,7 +899,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
ushort *cmap_base = NULL;
ushort i, j;
uchar *fb;
- bmp_image_t *bmp=(bmp_image_t *)bmp_image;
+ bmp_image_t *bmp = (bmp_image_t *)map_sysmem(bmp_image, 0);
uchar *bmap;
ushort padded_width;
unsigned long width, height, byte_width;
diff --git a/doc/device-tree-bindings/video/sandbox-fb.txt b/doc/device-tree-bindings/video/sandbox-fb.txt
new file mode 100644
index 0000000..eb91b30
--- /dev/null
+++ b/doc/device-tree-bindings/video/sandbox-fb.txt
@@ -0,0 +1,13 @@
+Sandbox LCD
+===========
+
+This uses the displaymode.txt binding except that only xres and yres are
+required properties.
+
+Example:
+
+ lcd {
+ compatible = "sandbox,lcd-sdl";
+ xres = <800>;
+ yres = <600>;
+ };
diff --git a/drivers/serial/sandbox.c b/drivers/serial/sandbox.c
index ffff5e1..c27b5b8 100644
--- a/drivers/serial/sandbox.c
+++ b/drivers/serial/sandbox.c
@@ -11,6 +11,7 @@
*/
#include <common.h>
+#include <lcd.h>
#include <os.h>
#include <serial.h>
#include <linux/compiler.h>
@@ -60,6 +61,9 @@ static int sandbox_serial_tstc(void)
ssize_t count;
os_usleep(100);
+#ifdef CONFIG_LCD
+ lcd_sync();
+#endif
if (next_index == serial_buf_read)
return 1; /* buffer full */
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index a7f5469..c527029 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -33,6 +33,7 @@ obj-$(CONFIG_VIDEO_MX3) += mx3fb.o videomodes.o
obj-$(CONFIG_VIDEO_IPUV3) += mxc_ipuv3_fb.o ipu_common.o ipu_disp.o
obj-$(CONFIG_VIDEO_MXS) += mxsfb.o videomodes.o
obj-$(CONFIG_VIDEO_OMAP3) += omap3_dss.o
+obj-$(CONFIG_VIDEO_SANDBOX_SDL) += sandbox_sdl.o
obj-$(CONFIG_VIDEO_SED13806) += sed13806.o
obj-$(CONFIG_VIDEO_SM501) += sm501.o
obj-$(CONFIG_VIDEO_SMI_LYNXEM) += smiLynxEM.o videomodes.o
diff --git a/drivers/video/sandbox_sdl.c b/drivers/video/sandbox_sdl.c
new file mode 100644
index 0000000..ba4578e
--- /dev/null
+++ b/drivers/video/sandbox_sdl.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <lcd.h>
+#include <malloc.h>
+#include <asm/sdl.h>
+#include <asm/u-boot-sandbox.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+enum {
+ /* Maximum LCD size we support */
+ LCD_MAX_WIDTH = 1366,
+ LCD_MAX_HEIGHT = 768,
+ LCD_MAX_LOG2_BPP = 4, /* 2^4 = 16 bpp */
+};
+
+vidinfo_t panel_info;
+
+void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)
+{
+}
+
+void lcd_ctrl_init(void *lcdbase)
+{
+ /*
+ * Allocate memory to keep BMP color conversion map. This is required
+ * for 8 bit BMPs only (hence 256 colors). If malloc fails - keep
+ * going, it is not even clear if displyaing the bitmap will be
+ * required on the way up.
+ */
+ panel_info.cmap = malloc(256 * NBITS(panel_info.vl_bpix) / 8);
+}
+
+void lcd_enable(void)
+{
+ if (sandbox_sdl_init_display(panel_info.vl_col, panel_info.vl_row,
+ panel_info.vl_bpix))
+ puts("LCD init failed\n");
+}
+
+int sandbox_lcd_sdl_early_init(void)
+{
+ const void *blob = gd->fdt_blob;
+ int xres = LCD_MAX_WIDTH, yres = LCD_MAX_HEIGHT;
+ int node;
+ int ret = 0;
+
+ /*
+ * The code in common/lcd.c does not cope with not being able to
+ * set up a frame buffer. It will just happily keep writing to
+ * invalid memory. So here we make sure that at least some buffer
+ * is available even if it actually won't be displayed.
+ */
+ node = fdtdec_next_compatible(blob, 0, COMPAT_SANDBOX_LCD_SDL);
+ if (node >= 0) {
+ xres = fdtdec_get_int(blob, node, "xres", LCD_MAX_WIDTH);
+ yres = fdtdec_get_int(blob, node, "yres", LCD_MAX_HEIGHT);
+ if (xres < 0 || xres > LCD_MAX_WIDTH) {
+ xres = LCD_MAX_WIDTH;
+ ret = -EINVAL;
+ }
+ if (yres < 0 || yres > LCD_MAX_HEIGHT) {
+ yres = LCD_MAX_HEIGHT;
+ ret = -EINVAL;
+ }
+ }
+
+ panel_info.vl_col = xres;
+ panel_info.vl_row = yres;
+ panel_info.vl_bpix = LCD_COLOR16;
+
+ return ret;
+}
diff --git a/include/fdtdec.h b/include/fdtdec.h
index bcd2ee5..6e859ce 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -89,6 +89,7 @@ enum fdt_compat_id {
COMPAT_INFINEON_SLB9645_TPM, /* Infineon SLB9645 TPM */
COMPAT_SAMSUNG_EXYNOS5_I2C, /* Exynos5 High Speed I2C Controller */
COMPAT_SANDBOX_HOST_EMULATION, /* Sandbox emulation of a function */
+ COMPAT_SANDBOX_LCD_SDL, /* Sandbox LCD emulation with SDL */
COMPAT_COUNT,
};
diff --git a/include/lcd.h b/include/lcd.h
index d06d6f1..5f84cd3 100644
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -313,6 +313,9 @@ int lcd_get_size(int *line_length);
int lcd_dt_simplefb_add_node(void *blob);
int lcd_dt_simplefb_enable_existing_node(void *blob);
+/* Update the LCD / flush the cache */
+void lcd_sync(void);
+
/************************************************************************/
/* ** BITMAP DISPLAY SUPPORT */
/************************************************************************/
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index e0b8927..f65ab4f 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -62,6 +62,7 @@ static const char * const compat_names[COMPAT_COUNT] = {
COMPAT(INFINEON_SLB9645_TPM, "infineon,slb9645-tpm"),
COMPAT(SAMSUNG_EXYNOS5_I2C, "samsung,exynos5-hsi2c"),
COMPAT(SANDBOX_HOST_EMULATION, "sandbox,host-emulation"),
+ COMPAT(SANDBOX_LCD_SDL, "sandbox,lcd-sdl"),
};
const char *fdtdec_get_compatible(enum fdt_compat_id id)
generated by cgit v1.1 at 2024-11-25 09:11:40 +0000