diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c | 73 | ||||
| -rw-r--r-- | board/freescale/p1022ds/diu.c | 27 |
2 files changed, 46 insertions, 54 deletions
diff --git a/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c b/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c index 81e53e734f..3011bb8050 100644 --- a/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c +++ b/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c @@ -1,6 +1,7 @@ /* - * Copyright 2007 Freescale Semiconductor, Inc. - * York Sun <yorksun@freescale.com> + * Copyright 2007-2011 Freescale Semiconductor, Inc. + * Authors: York Sun <yorksun@freescale.com> + * Timur Tabi <timur@freescale.com> * * FSL DIU Framebuffer driver * @@ -27,6 +28,10 @@ #include <command.h> #include <asm/io.h> #include <fsl_diu_fb.h> +#include "../common/pixis.h" + +#define PX_BRDCFG0_DLINK 0x10 +#define PX_BRDCFG0_DVISEL 0x08 void diu_set_pixel_clock(unsigned int pixclock) { @@ -49,50 +54,34 @@ void diu_set_pixel_clock(unsigned int pixclock) debug("DIU: Modified value of CLKDVDR = 0x%08x\n", *guts_clkdvdr); } -int platform_diu_init(unsigned int *xres, unsigned int *yres) +int platform_diu_init(unsigned int xres, unsigned int yres, const char *port) { - char *monitor_port; - int gamma_fix; - unsigned int pixel_format; - unsigned char tmp_val; - unsigned char pixis_arch; - u8 *pixis_base = (u8 *)PIXIS_BASE; - - tmp_val = in_8(pixis_base + PIXIS_BRDCFG0); - pixis_arch = in_8(pixis_base + PIXIS_VER); - - monitor_port = getenv("monitor"); - if (!strncmp(monitor_port, "0", 1)) { /* 0 - DVI */ - *xres = 1280; - *yres = 1024; - if (pixis_arch == 0x01) - pixel_format = 0x88882317; - else - pixel_format = 0x88883316; - gamma_fix = 0; - out_8(pixis_base + PIXIS_BRDCFG0, tmp_val | 0x08); + const char *name; + int gamma_fix = 0; + u32 pixel_format = 0x88883316; + u8 temp; - } else if (!strncmp(monitor_port, "1", 1)) { /* 1 - Single link LVDS */ - *xres = 1024; - *yres = 768; - pixel_format = 0x88883316; - gamma_fix = 0; - out_8(pixis_base + PIXIS_BRDCFG0, (tmp_val & 0xf7) | 0x10); + temp = in_8(&pixis->brdcfg0); - } else if (!strncmp(monitor_port, "2", 1)) { /* 2 - Double link LVDS */ - *xres = 1280; - *yres = 1024; - pixel_format = 0x88883316; + if (strncmp(port, "dlvds", 5) == 0) { + /* Dual link LVDS */ gamma_fix = 1; - out_8(pixis_base + PIXIS_BRDCFG0, tmp_val & 0xe7); - - } else { /* DVI */ - *xres = 1280; - *yres = 1024; - pixel_format = 0x88882317; - gamma_fix = 0; - out_8(pixis_base + PIXIS_BRDCFG0, tmp_val | 0x08); + temp &= ~(PX_BRDCFG0_DLINK | PX_BRDCFG0_DVISEL); + name = "Dual-Link LVDS"; + } else if (strncmp(port, "lvds", 4) == 0) { + /* Single link LVDS */ + temp = (temp & ~PX_BRDCFG0_DVISEL) | PX_BRDCFG0_DLINK; + name = "Single-Link LVDS"; + } else { + /* DVI */ + if (in_8(&pixis->ver) == 1) /* Board version */ + pixel_format = 0x88882317; + temp |= PX_BRDCFG0_DVISEL; + name = "DVI"; } - return fsl_diu_init(*xres, pixel_format, gamma_fix); + printf("DIU: Switching to %s monitor @ %ux%u\n", name, xres, yres); + out_8(&pixis->brdcfg0, temp); + + return fsl_diu_init(xres, pixel_format, gamma_fix); } diff --git a/board/freescale/p1022ds/diu.c b/board/freescale/p1022ds/diu.c index b37e0e269b..7d1f6aa124 100644 --- a/board/freescale/p1022ds/diu.c +++ b/board/freescale/p1022ds/diu.c @@ -12,6 +12,7 @@ #include <common.h> #include <command.h> +#include <linux/ctype.h> #include <asm/io.h> #include <stdio_dev.h> #include <video_fb.h> @@ -81,10 +82,10 @@ void diu_set_pixel_clock(unsigned int pixclock) out_be32(&gur->clkdvdr, temp | 0x80000000 | ((pixval & 0x1F) << 16)); } -int platform_diu_init(unsigned int *xres, unsigned int *yres) +int platform_diu_init(unsigned int xres, unsigned int yres, const char *port) { ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); - char *monitor_port; + const char *name; u32 pixel_format; u8 temp; @@ -100,21 +101,23 @@ int platform_diu_init(unsigned int *xres, unsigned int *yres) temp = in_8(&pixis->brdcfg1); - monitor_port = getenv("monitor"); - if (!strncmp(monitor_port, "1", 1)) { /* 1 - Single link LVDS */ - *xres = 1024; - *yres = 768; - /* Enable the DFP port, disable the DVI and the backlight */ - temp &= ~(PX_BRDCFG1_DVIEN | PX_BRDCFG1_BACKLIGHT); - temp |= PX_BRDCFG1_DFPEN; + if (strncmp(port, "lvds", 4) == 0) { + /* Single link LVDS */ + temp &= ~PX_BRDCFG1_DVIEN; + /* + * LVDS also needs backlight enabled, otherwise the display + * will be blank. + */ + temp |= (PX_BRDCFG1_DFPEN | PX_BRDCFG1_BACKLIGHT); + name = "Single-Link LVDS"; } else { /* DVI */ - *xres = 1280; - *yres = 1024; /* Enable the DVI port, disable the DFP and the backlight */ temp &= ~(PX_BRDCFG1_DFPEN | PX_BRDCFG1_BACKLIGHT); temp |= PX_BRDCFG1_DVIEN; + name = "DVI"; } + printf("DIU: Switching to %s monitor @ %ux%u\n", name, xres, yres); out_8(&pixis->brdcfg1, temp); /* @@ -136,7 +139,7 @@ int platform_diu_init(unsigned int *xres, unsigned int *yres) clrsetbits_be32(&gur->pmuxcr, PMUXCR_ELBCDIU_MASK, PMUXCR_ELBCDIU_DIU); pmuxcr = in_be32(&gur->pmuxcr); - return fsl_diu_init(*xres, pixel_format, 0); + return fsl_diu_init(xres, pixel_format, 0); } /* |