diff options
Diffstat (limited to 'board/ads5121')
| -rw-r--r-- | board/ads5121/Makefile | 2 | ||||
| -rw-r--r-- | board/ads5121/ads5121.c | 62 | ||||
| -rw-r--r-- | board/ads5121/ads5121_diu.c | 165 |
3 files changed, 227 insertions, 2 deletions
diff --git a/board/ads5121/Makefile b/board/ads5121/Makefile index b93bee1..8ace8a1 100644 --- a/board/ads5121/Makefile +++ b/board/ads5121/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS-y := $(BOARD).o +COBJS-y := $(BOARD).o ads5121_diu.o ../freescale/common/fsl_diu_fb.o ../freescale/common/fsl_logo_bmp.o COBJS-$(CONFIG_PCI) += pci.o COBJS := $(COBJS-y) diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c index 8629b03..2892665 100644 --- a/board/ads5121/ads5121.c +++ b/board/ads5121/ads5121.c @@ -39,17 +39,35 @@ #define SCCR2_CLOCKS_EN (CLOCK_SCCR2_MEM_EN | \ CLOCK_SCCR2_SPDIF_EN | \ + CLOCK_SCCR2_DIU_EN | \ CLOCK_SCCR2_I2C_EN) #define CSAW_START(start) ((start) & 0xFFFF0000) #define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16) +#define MPC5121_IOCTL_PSC6_0 (0x284/4) +#define MPC5121_IO_DIU_START (0x288/4) +#define MPC5121_IO_DIU_END (0x2fc/4) + +/* Functional pin muxing */ +#define MPC5121_IO_FUNC1 (0 << 7) +#define MPC5121_IO_FUNC2 (1 << 7) +#define MPC5121_IO_FUNC3 (2 << 7) +#define MPC5121_IO_FUNC4 (3 << 7) +#define MPC5121_IO_ST (1 << 2) +#define MPC5121_IO_DS_1 (0) +#define MPC5121_IO_DS_2 (1) +#define MPC5121_IO_DS_3 (2) +#define MPC5121_IO_DS_4 (3) + long int fixed_sdram(void); int board_early_init_f (void) { volatile immap_t *im = (immap_t *) CFG_IMMR; - u32 lpcaw; + u32 lpcaw, tmp32; + volatile ioctrl512x_t *ioctl = &(im->io_ctrl); + int i; /* * Initialize Local Window for the CPLD registers access (CS2 selects @@ -81,6 +99,16 @@ int board_early_init_f (void) im->clk.sccr[0] = SCCR1_CLOCKS_EN; im->clk.sccr[1] = SCCR2_CLOCKS_EN; + /* Configure DIU clock pin */ + tmp32 = ioctl->regs[MPC5121_IOCTL_PSC6_0]; + tmp32 &= ~0x1ff; + tmp32 |= MPC5121_IO_FUNC3 | MPC5121_IO_DS_4; + ioctl->regs[MPC5121_IOCTL_PSC6_0] = tmp32; + + /* Initialize IO pins (pin mux) for DIU function */ + for (i = MPC5121_IO_DIU_START; i < MPC5121_IO_DIU_END; i++) + ioctl->regs[i] |= (MPC5121_IO_FUNC3 | MPC5121_IO_DS_4); + return 0; } @@ -186,6 +214,38 @@ long int fixed_sdram (void) return msize; } +int misc_init_r(void) +{ + u8 tmp_val; + + /* Using this for DIU init before the driver in linux takes over + * Enable the TFP410 Encoder (I2C address 0x38) + */ + + i2c_set_bus_num(2); + tmp_val = 0xBF; + i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val)); + /* Verify if enabled */ + tmp_val = 0; + i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val)); + debug("DVI Encoder Read: 0x%02lx\n", tmp_val); + + tmp_val = 0x10; + i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val)); + /* Verify if enabled */ + tmp_val = 0; + i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val)); + debug("DVI Encoder Read: 0x%02lx\n", tmp_val); + +#ifdef CONFIG_FSL_DIU_FB +#if !(defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)) + ads5121_diu_init(); +#endif +#endif + + return 0; +} + int checkboard (void) { ushort brd_rev = *(vu_short *) (CFG_CPLD_BASE + 0x00); diff --git a/board/ads5121/ads5121_diu.c b/board/ads5121/ads5121_diu.c new file mode 100644 index 0000000..87cf0cb --- /dev/null +++ b/board/ads5121/ads5121_diu.c @@ -0,0 +1,165 @@ +/* + * Copyright 2008 Freescale Semiconductor, Inc. + * York Sun <yorksun@freescale.com> + * + * FSL DIU Framebuffer driver + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <command.h> +#include <asm/io.h> + +#ifdef CONFIG_FSL_DIU_FB + +#include "../freescale/common/pixis.h" +#include "../freescale/common/fsl_diu_fb.h" + +#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) +#include <devices.h> +#include <video_fb.h> +#endif + +extern unsigned int FSL_Logo_BMP[]; + +static int xres, yres; + +void diu_set_pixel_clock(unsigned int pixclock) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile clk512x_t *clk = &immap->clk; + volatile unsigned int *clkdvdr = &clk->scfr[0]; + unsigned long speed_ccb, temp, pixval; + + speed_ccb = get_bus_freq(0) * 4; + temp = 1000000000/pixclock; + temp *= 1000; + pixval = speed_ccb / temp; + debug("DIU pixval = %lu\n", pixval); + + /* Modify PXCLK in GUTS CLKDVDR */ + debug("DIU: Current value of CLKDVDR = 0x%08x\n", *clkdvdr); + temp = *clkdvdr & 0xFFFFFF00; + *clkdvdr = temp | (pixval & 0x1F); + debug("DIU: Modified value of CLKDVDR = 0x%08x\n", *clkdvdr); +} + +int ads5121_diu_init(void) +{ + unsigned int pixel_format; + + xres = 1024; + yres = 768; + pixel_format = 0x88883316; + + return fsl_diu_init(xres, pixel_format, 0, + (unsigned char *)FSL_Logo_BMP); +} + +int ads5121diu_init_show_bmp(cmd_tbl_t *cmdtp, + int flag, int argc, char *argv[]) +{ + unsigned int addr; + + if (argc < 2) { + printf("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + if (!strncmp(argv[1], "init", 4)) { +#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) + fsl_diu_clear_screen(); + drv_video_init(); +#else + return ads5121_diu_init(); +#endif + } else { + addr = simple_strtoul(argv[1], NULL, 16); + fsl_diu_clear_screen(); + fsl_diu_display_bmp((unsigned char *)addr, 0, 0, 0); + } + + return 0; +} + +U_BOOT_CMD( + diufb, CFG_MAXARGS, 1, ads5121diu_init_show_bmp, + "diufb init | addr - Init or Display BMP file\n", + "init\n - initialize DIU\n" + "addr\n - display bmp at address 'addr'\n" + ); + + +#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) + +/* + * The Graphic Device + */ +GraphicDevice ctfb; +void *video_hw_init(void) +{ + GraphicDevice *pGD = (GraphicDevice *) &ctfb; + struct fb_info *info; + + if (ads5121_diu_init() < 0) + return; + + /* fill in Graphic device struct */ + sprintf(pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz", + xres, yres, 32, 64, 60); + + pGD->frameAdrs = (unsigned int)fsl_fb_open(&info); + pGD->winSizeX = xres; + pGD->winSizeY = yres - info->logo_height; + pGD->plnSizeX = pGD->winSizeX; + pGD->plnSizeY = pGD->winSizeY; + + pGD->gdfBytesPP = 4; + pGD->gdfIndex = GDF_32BIT_X888RGB; + + pGD->isaBase = 0; + pGD->pciBase = 0; + pGD->memSize = info->screen_size - info->logo_size; + + /* Cursor Start Address */ + pGD->dprBase = 0; + pGD->vprBase = 0; + pGD->cprBase = 0; + + return (void *)pGD; +} + +/** + * Set the LUT + * + * @index: color number + * @r: red + * @b: blue + * @g: green + */ +void video_set_lut + (unsigned int index, unsigned char r, unsigned char g, unsigned char b) +{ + return; +} + +#endif /* defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) */ + +#endif /* CONFIG_FSL_DIU_FB */ |