[U-Boot-Users] [PATCH] Changes ADS5121 splash screen from hard-coded bmp to flash bmp
Martha Marx
mmarx at silicontkx.com
Thu May 29 20:24:09 CEST 2008
Signed-off-by: Martha Marx <mmarx at silicontkx.com>
---
board/ads5121/Makefile | 1 -
board/ads5121/ads5121_diu.c | 66 +++++++++++++++++++++++++++++++----
board/freescale/common/fsl_diu_fb.c | 6 +++-
include/configs/ads5121.h | 2 +
4 files changed, 66 insertions(+), 9 deletions(-)
diff --git a/board/ads5121/Makefile b/board/ads5121/Makefile
index f4dacce..0e4de61 100644
--- a/board/ads5121/Makefile
+++ b/board/ads5121/Makefile
@@ -30,7 +30,6 @@ LIB = $(obj)lib$(BOARD).a
COBJS-y := $(BOARD).o
COBJS-${CONFIG_FSL_DIU_FB} += ads5121_diu.o
COBJS-${CONFIG_FSL_DIU_FB} += ../freescale/common/fsl_diu_fb.o
-COBJS-${CONFIG_FSL_DIU_FB} += ../freescale/common/fsl_logo_bmp.o
COBJS-$(CONFIG_PCI) += pci.o
COBJS := $(COBJS-y)
diff --git a/board/ads5121/ads5121_diu.c b/board/ads5121/ads5121_diu.c
index 87cf0cb..a57d505 100644
--- a/board/ads5121/ads5121_diu.c
+++ b/board/ads5121/ads5121_diu.c
@@ -26,6 +26,7 @@
#include <common.h>
#include <command.h>
#include <asm/io.h>
+#include <malloc.h>
#ifdef CONFIG_FSL_DIU_FB
@@ -61,16 +62,67 @@ void diu_set_pixel_clock(unsigned int pixclock)
debug("DIU: Modified value of CLKDVDR = 0x%08x\n", *clkdvdr);
}
+char *valid_bmp(char *addr)
+{
+ unsigned long h_addr;
+
+ h_addr = simple_strtoul(addr, NULL, 16);
+ if (h_addr < CFG_FLASH_BASE ||
+ h_addr >= (CFG_FLASH_BASE + CFG_FLASH_SIZE - 1)) {
+ printf("bmp addr %x is not a valid flash address\n", h_addr);
+ return 0;
+ } else if ((*(char *)(h_addr) != 'B') || (*(char *)(h_addr+1) != 'M')) {
+ printf("bmp addr is not a bmp\n");
+ return 0;
+ } else
+ return (char *)h_addr;
+}
+
int ads5121_diu_init(void)
{
+ int gamma_fix;
unsigned int pixel_format;
-
- xres = 1024;
- yres = 768;
- pixel_format = 0x88883316;
-
- return fsl_diu_init(xres, pixel_format, 0,
- (unsigned char *)FSL_Logo_BMP);
+ char *bmp_env, *bmp, *monitor_port;
+ unsigned char *dest;
+ long bmp_sz;
+
+ debug("ads5121_diu_init\n");
+ bmp_env = getenv("bmp_addr");
+ if (bmp_env == NULL) {
+ debug("Environment Variable bmp_addr is not set \n");
+ bmp = 0;
+ } else {
+ bmp = valid_bmp(bmp_env);
+ }
+ if (bmp) {
+ bmp_sz = (bmp[5] << 24) | (bmp[4] << 16) |
+ (bmp[3] << 8) | bmp[2];
+ debug("bmp_sz = %u\n", bmp_sz);
+ if (bmp_sz > CFG_SPLASH_SIZE) {
+ printf("BMP exceeds size limit of %d\n",
+ CFG_SPLASH_SIZE);
+ bmp = 0;
+ } else {
+ dest = malloc(bmp_sz);
+ (void)memcpy((void *)dest, bmp, bmp_sz);
+ }
+ }
+ monitor_port = getenv("monitor_port");
+ if (!strncmp(monitor_port, "LCD", 3)) {
+ debug("LCD Monitor port\n");
+ xres = 1024;
+ yres = 768;
+ pixel_format = 0x88883316;
+ gamma_fix = 1;
+ } else {
+ debug("DVI Monitor port\n");
+ xres = 1024;
+ yres = 768;
+ pixel_format = 0x88883316;
+ gamma_fix = 0;
+ }
+ return fsl_diu_init(xres, pixel_format, gamma_fix,
+ (unsigned char *)bmp);
}
int ads5121diu_init_show_bmp(cmd_tbl_t *cmdtp,
diff --git a/board/freescale/common/fsl_diu_fb.c b/board/freescale/common/fsl_diu_fb.c
index 75f782e..a3bee17 100644
--- a/board/freescale/common/fsl_diu_fb.c
+++ b/board/freescale/common/fsl_diu_fb.c
@@ -301,11 +301,15 @@ int fsl_diu_init(int xres,
debug("Fix gamma table\n");
gamma_table_base = gamma.paddr;
for (i = 0; i < 256*3; i++) {
+#ifdef CONFIG_ADS5121
+ gamma_table_base[i] = ((gamma_table_base[i] % 4) << 6)
+ | (gamma_table_base[i] >> 2);
+#else
gamma_table_base[i] = (gamma_table_base[i] << 2)
| ((gamma_table_base[i] >> 6) & 0x03);
+#endif
}
}
-
debug("update-lcdc: HW - %p\n Disabling DIU\n", hw);
/* Program DIU registers */
diff --git a/include/configs/ads5121.h b/include/configs/ads5121.h
index 21374e9..ae98359 100644
--- a/include/configs/ads5121.h
+++ b/include/configs/ads5121.h
@@ -45,6 +45,7 @@
*/
#define CONFIG_E300 1 /* E300 Family */
#define CONFIG_MPC512X 1 /* MPC512X family */
+#define CONFIG_ADS5121 1 /* ADS5121 board */
#define CONFIG_FSL_DIU_FB 1 /* FSL DIU */
/* video */
@@ -222,6 +223,7 @@
#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
#ifdef CONFIG_FSL_DIU_FB
#define CFG_MALLOC_LEN (6 * 1024 * 1024) /* Reserved for malloc */
+#define CFG_SPLASH_SIZE (2 * 1024 * 1024)
#else
#define CFG_MALLOC_LEN (512 * 1024)
#endif
--
1.5.2.4
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