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tt01: add video support 

The video setup for the Epson display is provided. Addtionally
some extra info is displayed next to the Linux logo.
Make get_cpu_rev() publicly available (added to sys_proto.h).

Signed-off-by: Helmut Raiger <helmut.raiger@hale.at>
This commit is contained in:
Helmut Raiger 2012-02-15 22:40:12 +00:00 committed by Albert ARIBAUD
parent 0b87e010f8
commit d1300f7686
3 changed files with 50 additions and 1 deletions
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1
arch/arm/include/asm/arch-mx31/sys_proto.h
View File

@ -32,4 +32,5 @@ struct mxc_weimcs {
void mxc_setup_weimcs(int cs, const struct mxc_weimcs *weimcs);
int mxc_mmc_init(bd_t *bis);
u32 get_cpu_rev(void);
#endif

21
board/hale/tt01/tt01.c
View File

@ -228,3 +228,24 @@ int board_eth_init(bd_t *bis)
#endif
return rc;
}
#ifdef CONFIG_CONSOLE_EXTRA_INFO
void video_get_info_str(int line_number, char *info)
{
u32 srev = get_cpu_rev();
switch (line_number) {
case 2:
sprintf(info, " CPU : Freescale i.MX31 rev %d.%d%s at %d MHz",
(srev & 0xF0) >> 4, (srev & 0x0F),
((srev & 0x8000) ? " unknown" : ""),
mxc_get_clock(MXC_ARM_CLK) / 1000000);
break;
case 3:
strcpy(info, " " BOARD_STRING);
break;
default:
info[0] = 0;
}
}
#endif

29
include/configs/tt01.h
View File

@ -185,6 +185,23 @@
#define CONFIG_GENERIC_MMC
#define CONFIG_MXC_MMC
#define CONFIG_MXC_MCI_REGS_BASE SDHC1_BASE_ADDR
/* video support */
#define CONFIG_VIDEO
#define CONFIG_VIDEO_MX3
#define CONFIG_CFB_CONSOLE
#define CONFIG_VIDEO_LOGO
#define CONFIG_VIDEO_SW_CURSOR
#define CONFIG_CONSOLE_EXTRA_INFO /* display additional board info */
#define CONFIG_VGA_AS_SINGLE_DEVICE /* display is an output only device */
/* allow stdin, stdout and stderr variables to redirect output */
#define CONFIG_SYS_CONSOLE_IS_IN_ENV
/* allow decompressing max. 4MB */
#define CONFIG_VIDEO_BMP_GZIP
/* this is not only used by cfb_console.c for the logo, but also in cmd_bmp.c */
#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE (4*1024*1024)
/*
* Command definition
*/
@ -201,6 +218,7 @@
* the NAND_CMD_LOCK_STATUS command, however the NFC of i.MX31 supports
* a software locking scheme.
*/
#define CONFIG_CMD_BMP
#define CONFIG_BOOTDELAY 3
@ -208,9 +226,18 @@
* currently a default setting for booting via script is implemented
* set user to login name and serverip to tftp host, define your
* boot behaviour in bootscript.loginname
*
* TT-01 board specific TFT setup (used by drivers/video/mx3fb.c)
*
* This set-up is for the L5F30947T04 by Epson, which is
* 800x480, 33MHz pixel clock, 60Hz vsync, 31.6kHz hsync
* sync must be set to: DI_D3_DRDY_SHARP_POL | DI_D3_CLK_POL
*/
#define CONFIG_EXTRA_ENV_SETTINGS \
"bootcmd=dhcp bootscript.$(user); source\0"
"videomode=epson\0" \
"epson=video=ctfb:x:800,y:480,depth:16,mode:0,pclk:30076," \
"le:215,ri:1,up:32,lo:13,hs:7,vs:10,sync:100663296,vmode:0\0" \
"bootcmd=dhcp bootscript.$(user); source\0"
#define CONFIG_BOOTP_SERVERIP /* tftp serverip not overruled by dhcp server */
#define CONFIG_BOOTP_SEND_HOSTNAME /* if env-var 'hostname' is set, send it */