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author | John Crispin <john@openwrt.org> | 2012-10-16 13:44:25 +0000 |
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committer | John Crispin <john@openwrt.org> | 2012-10-16 13:44:25 +0000 |
commit | e75106aa0d82a64122954b5990b50ec80d8e4040 (patch) | |
tree | bcc8ab60e849b3a0debb601b13c7f5356d9683e8 /package/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.c | |
parent | 254d851d8a9434e9c8a12a6ec96538ba13101600 (diff) | |
download | master-31e0f0ae-e75106aa0d82a64122954b5990b50ec80d8e4040.tar.gz master-31e0f0ae-e75106aa0d82a64122954b5990b50ec80d8e4040.tar.bz2 master-31e0f0ae-e75106aa0d82a64122954b5990b50ec80d8e4040.zip |
move boot related packages to their own folder
SVN-Revision: 33781
Diffstat (limited to 'package/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.c')
-rw-r--r-- | package/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.c | 420 |
1 files changed, 0 insertions, 420 deletions
diff --git a/package/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.c b/package/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.c deleted file mode 100644 index 4c98d29439..0000000000 --- a/package/uboot-xburst/files/cpu/mips/nanonote_gpm940b0.c +++ /dev/null @@ -1,420 +0,0 @@ -/* - * JzRISC lcd controller - * - * xiangfu liu <xiangfu.z@gmail.com> - * - * 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 <config.h> -#include <common.h> -#include <lcd.h> - -#include <asm/io.h> /* virt_to_phys() */ - -#include <asm/jz4740.h> -#include "nanonote_gpm940b0.h" - -#define align2(n) (n)=((((n)+1)>>1)<<1) -#define align4(n) (n)=((((n)+3)>>2)<<2) -#define align8(n) (n)=((((n)+7)>>3)<<3) - -struct jzfb_info { - unsigned int cfg; /* panel mode and pin usage etc. */ - unsigned int w; - unsigned int h; - unsigned int bpp; /* bit per pixel */ - unsigned int fclk; /* frame clk */ - unsigned int hsw; /* hsync width, in pclk */ - unsigned int vsw; /* vsync width, in line count */ - unsigned int elw; /* end of line, in pclk */ - unsigned int blw; /* begin of line, in pclk */ - unsigned int efw; /* end of frame, in line count */ - unsigned int bfw; /* begin of frame, in line count */ -}; - -static struct jzfb_info jzfb = { - MODE_8BIT_SERIAL_TFT | PCLK_N | HSYNC_N | VSYNC_N, - 320, 240, 32, 70, 1, 1, 273, 140, 1, 20 -}; - -vidinfo_t panel_info = { - 320, 240, LCD_BPP, -}; - -int lcd_line_length; - -int lcd_color_fg; -int lcd_color_bg; -/* - * Frame buffer memory information - */ -void *lcd_base; /* Start of framebuffer memory */ -void *lcd_console_address; /* Start of console buffer */ - -short console_col; -short console_row; - -void lcd_ctrl_init (void *lcdbase); -void lcd_enable (void); -void lcd_disable (void); - -static int jz_lcd_init_mem(void *lcdbase, vidinfo_t *vid); -static void jz_lcd_desc_init(vidinfo_t *vid); -static int jz_lcd_hw_init( vidinfo_t *vid ); -extern int flush_cache_all(void); - -void lcd_ctrl_init (void *lcdbase) -{ - __lcd_display_pin_init(); - - jz_lcd_init_mem(lcdbase, &panel_info); - jz_lcd_desc_init(&panel_info); - jz_lcd_hw_init(&panel_info); - - __lcd_display_on() ; -} - -/* - * Before enabled lcd controller, lcd registers should be configured correctly. - */ - -void lcd_enable (void) -{ - REG_LCD_CTRL &= ~(1<<4); /* LCDCTRL.DIS */ - REG_LCD_CTRL |= 1<<3; /* LCDCTRL.ENA*/ -} - -void lcd_disable (void) -{ - REG_LCD_CTRL |= (1<<4); /* LCDCTRL.DIS, regular disable */ - /* REG_LCD_CTRL |= (1<<3); */ /* LCDCTRL.DIS, quikly disable */ -} - -static int jz_lcd_init_mem(void *lcdbase, vidinfo_t *vid) -{ - u_long palette_mem_size; - struct jz_fb_info *fbi = &vid->jz_fb; - int fb_size = vid->vl_row * (vid->vl_col * NBITS (vid->vl_bpix)) / 8; - - fbi->screen = (u_long)lcdbase; - fbi->palette_size = 256; - palette_mem_size = fbi->palette_size * sizeof(u16); - - debug("jz_lcd.c palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size); - /* locate palette and descs at end of page following fb */ - fbi->palette = (u_long)lcdbase + fb_size + PAGE_SIZE - palette_mem_size; - - return 0; -} - -static void jz_lcd_desc_init(vidinfo_t *vid) -{ - struct jz_fb_info * fbi; - fbi = &vid->jz_fb; - fbi->dmadesc_fblow = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 3*16); - fbi->dmadesc_fbhigh = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 2*16); - fbi->dmadesc_palette = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 1*16); - - #define BYTES_PER_PANEL (vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8) - - /* populate descriptors */ - fbi->dmadesc_fblow->fdadr = virt_to_phys(fbi->dmadesc_fblow); - fbi->dmadesc_fblow->fsadr = virt_to_phys((void *)(fbi->screen + BYTES_PER_PANEL)); - fbi->dmadesc_fblow->fidr = 0; - fbi->dmadesc_fblow->ldcmd = BYTES_PER_PANEL / 4 ; - - fbi->fdadr1 = virt_to_phys(fbi->dmadesc_fblow); /* only used in dual-panel mode */ - - fbi->dmadesc_fbhigh->fsadr = virt_to_phys((void *)fbi->screen); - fbi->dmadesc_fbhigh->fidr = 0; - fbi->dmadesc_fbhigh->ldcmd = BYTES_PER_PANEL / 4; /* length in word */ - - fbi->dmadesc_palette->fsadr = virt_to_phys((void *)fbi->palette); - fbi->dmadesc_palette->fidr = 0; - fbi->dmadesc_palette->ldcmd = (fbi->palette_size * 2)/4 | (1<<28); - - if(NBITS(vid->vl_bpix) < 12) - { - /* assume any mode with <12 bpp is palette driven */ - fbi->dmadesc_palette->fdadr = virt_to_phys(fbi->dmadesc_fbhigh); - fbi->dmadesc_fbhigh->fdadr = virt_to_phys(fbi->dmadesc_palette); - /* flips back and forth between pal and fbhigh */ - fbi->fdadr0 = virt_to_phys(fbi->dmadesc_palette); - } else { - /* palette shouldn't be loaded in true-color mode */ - fbi->dmadesc_fbhigh->fdadr = virt_to_phys((void *)fbi->dmadesc_fbhigh); - fbi->fdadr0 = virt_to_phys(fbi->dmadesc_fbhigh); /* no pal just fbhigh */ - } - - flush_cache_all(); -} - -static int jz_lcd_hw_init(vidinfo_t *vid) -{ - struct jz_fb_info *fbi = &vid->jz_fb; - unsigned int val = 0; - unsigned int pclk; - unsigned int stnH; - int pll_div; - - /* Setting Control register */ - switch (jzfb.bpp) { - case 1: - val |= LCD_CTRL_BPP_1; - break; - case 2: - val |= LCD_CTRL_BPP_2; - break; - case 4: - val |= LCD_CTRL_BPP_4; - break; - case 8: - val |= LCD_CTRL_BPP_8; - break; - case 15: - val |= LCD_CTRL_RGB555; - case 16: - val |= LCD_CTRL_BPP_16; - break; - case 17 ... 32: - val |= LCD_CTRL_BPP_18_24; /* target is 4bytes/pixel */ - break; - - default: - printf("jz_lcd.c The BPP %d is not supported\n", jzfb.bpp); - val |= LCD_CTRL_BPP_16; - break; - } - - switch (jzfb.cfg & MODE_MASK) { - case MODE_STN_MONO_DUAL: - case MODE_STN_COLOR_DUAL: - case MODE_STN_MONO_SINGLE: - case MODE_STN_COLOR_SINGLE: - switch (jzfb.bpp) { - case 1: - /* val |= LCD_CTRL_PEDN; */ - case 2: - val |= LCD_CTRL_FRC_2; - break; - case 4: - val |= LCD_CTRL_FRC_4; - break; - case 8: - default: - val |= LCD_CTRL_FRC_16; - break; - } - break; - } - - val |= LCD_CTRL_BST_16; /* Burst Length is 16WORD=64Byte */ - val |= LCD_CTRL_OFUP; /* OutFIFO underrun protect */ - - switch (jzfb.cfg & MODE_MASK) { - case MODE_STN_MONO_DUAL: - case MODE_STN_COLOR_DUAL: - case MODE_STN_MONO_SINGLE: - case MODE_STN_COLOR_SINGLE: - switch (jzfb.cfg & STN_DAT_PINMASK) { - case STN_DAT_PIN1: - /* Do not adjust the hori-param value. */ - break; - case STN_DAT_PIN2: - align2(jzfb.hsw); - align2(jzfb.elw); - align2(jzfb.blw); - break; - case STN_DAT_PIN4: - align4(jzfb.hsw); - align4(jzfb.elw); - align4(jzfb.blw); - break; - case STN_DAT_PIN8: - align8(jzfb.hsw); - align8(jzfb.elw); - align8(jzfb.blw); - break; - } - break; - } - - REG_LCD_CTRL = val; - - switch (jzfb.cfg & MODE_MASK) { - case MODE_STN_MONO_DUAL: - case MODE_STN_COLOR_DUAL: - case MODE_STN_MONO_SINGLE: - case MODE_STN_COLOR_SINGLE: - if (((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL) || - ((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL)) - stnH = jzfb.h >> 1; - else - stnH = jzfb.h; - - REG_LCD_VSYNC = (0 << 16) | jzfb.vsw; - REG_LCD_HSYNC = ((jzfb.blw+jzfb.w) << 16) | (jzfb.blw+jzfb.w+jzfb.hsw); - - /* Screen setting */ - REG_LCD_VAT = ((jzfb.blw + jzfb.w + jzfb.hsw + jzfb.elw) << 16) | (stnH + jzfb.vsw + jzfb.bfw + jzfb.efw); - REG_LCD_DAH = (jzfb.blw << 16) | (jzfb.blw + jzfb.w); - REG_LCD_DAV = (0 << 16) | (stnH); - - /* AC BIAs signal */ - REG_LCD_PS = (0 << 16) | (stnH+jzfb.vsw+jzfb.efw+jzfb.bfw); - - break; - - case MODE_TFT_GEN: - case MODE_TFT_SHARP: - case MODE_TFT_CASIO: - case MODE_TFT_SAMSUNG: - case MODE_8BIT_SERIAL_TFT: - case MODE_TFT_18BIT: - REG_LCD_VSYNC = (0 << 16) | jzfb.vsw; - REG_LCD_HSYNC = (0 << 16) | jzfb.hsw; - REG_LCD_DAV =((jzfb.vsw+jzfb.bfw) << 16) | (jzfb.vsw +jzfb.bfw+jzfb.h); - REG_LCD_DAH = ((jzfb.hsw + jzfb.blw) << 16) | (jzfb.hsw + jzfb.blw + jzfb.w ); - REG_LCD_VAT = (((jzfb.blw + jzfb.w + jzfb.elw + jzfb.hsw)) << 16) \ - | (jzfb.vsw + jzfb.bfw + jzfb.h + jzfb.efw); - break; - } - - switch (jzfb.cfg & MODE_MASK) { - case MODE_TFT_SAMSUNG: - { - unsigned int total, tp_s, tp_e, ckv_s, ckv_e; - unsigned int rev_s, rev_e, inv_s, inv_e; - - pclk = val * (jzfb.w + jzfb.hsw + jzfb.elw + jzfb.blw) * - (jzfb.h + jzfb.vsw + jzfb.efw + jzfb.bfw); /* Pixclk */ - - total = jzfb.blw + jzfb.w + jzfb.elw + jzfb.hsw; - tp_s = jzfb.blw + jzfb.w + 1; - tp_e = tp_s + 1; - /* ckv_s = tp_s - jz_clocks.pixclk/(1000000000/4100); */ - ckv_s = tp_s - pclk/(1000000000/4100); - ckv_e = tp_s + total; - rev_s = tp_s - 11; /* -11.5 clk */ - rev_e = rev_s + total; - inv_s = tp_s; - inv_e = inv_s + total; - REG_LCD_CLS = (tp_s << 16) | tp_e; - REG_LCD_PS = (ckv_s << 16) | ckv_e; - REG_LCD_SPL = (rev_s << 16) | rev_e; - REG_LCD_REV = (inv_s << 16) | inv_e; - jzfb.cfg |= STFT_REVHI | STFT_SPLHI; - break; - } - case MODE_TFT_SHARP: - { - unsigned int total, cls_s, cls_e, ps_s, ps_e; - unsigned int spl_s, spl_e, rev_s, rev_e; - total = jzfb.blw + jzfb.w + jzfb.elw + jzfb.hsw; - spl_s = 1; - spl_e = spl_s + 1; - cls_s = 0; - cls_e = total - 60; /* > 4us (pclk = 80ns) */ - ps_s = cls_s; - ps_e = cls_e; - rev_s = total - 40; /* > 3us (pclk = 80ns) */ - rev_e = rev_s + total; - jzfb.cfg |= STFT_PSHI; - REG_LCD_SPL = (spl_s << 16) | spl_e; - REG_LCD_CLS = (cls_s << 16) | cls_e; - REG_LCD_PS = (ps_s << 16) | ps_e; - REG_LCD_REV = (rev_s << 16) | rev_e; - break; - } - case MODE_TFT_CASIO: - break; - } - - /* Configure the LCD panel */ - REG_LCD_CFG = jzfb.cfg; - - /* Timing setting */ - __cpm_stop_lcd(); - - val = jzfb.fclk; /* frame clk */ - if ( (jzfb.cfg & MODE_MASK) != MODE_8BIT_SERIAL_TFT) { - pclk = val * (jzfb.w + jzfb.hsw + jzfb.elw + jzfb.blw) * - (jzfb.h + jzfb.vsw + jzfb.efw + jzfb.bfw); /* Pixclk */ - } else { - /* serial mode: Hsync period = 3*Width_Pixel */ - pclk = val * (jzfb.w*3 + jzfb.hsw + jzfb.elw + jzfb.blw) * - (jzfb.h + jzfb.vsw + jzfb.efw + jzfb.bfw); /* Pixclk */ - } - - if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_SINGLE) || - ((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL)) - pclk = (pclk * 3); - - if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_SINGLE) || - ((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL) || - ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_SINGLE) || - ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL)) - pclk = pclk >> ((jzfb.cfg & STN_DAT_PINMASK) >> 4); - - if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL) || - ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL)) - pclk >>= 1; - - pll_div = ( REG_CPM_CPCCR & CPM_CPCCR_PCS ); /* clock source,0:pllout/2 1: pllout */ - pll_div = pll_div ? 1 : 2 ; - val = ( __cpm_get_pllout()/pll_div ) / pclk; - val--; - if ( val > 0x1ff ) { - printf("CPM_LPCDR too large, set it to 0x1ff\n"); - val = 0x1ff; - } - __cpm_set_pixdiv(val); - - val = pclk * 3 ; /* LCDClock > 2.5*Pixclock */ - if ( val > 150000000 ) { - printf("Warning: LCDClock=%d\n, LCDClock must less or equal to 150MHz.\n", val); - printf("Change LCDClock to 150MHz\n"); - val = 150000000; - } - val = ( __cpm_get_pllout()/pll_div ) / val; - val--; - if ( val > 0x1f ) { - printf("CPM_CPCCR.LDIV too large, set it to 0x1f\n"); - val = 0x1f; - } - __cpm_set_ldiv( val ); - REG_CPM_CPCCR |= CPM_CPCCR_CE ; /* update divide */ - - __cpm_start_lcd(); - udelay(1000); - - REG_LCD_DA0 = fbi->fdadr0; /* frame descripter*/ - - if (((jzfb.cfg & MODE_MASK) == MODE_STN_COLOR_DUAL) || - ((jzfb.cfg & MODE_MASK) == MODE_STN_MONO_DUAL)) - REG_LCD_DA1 = fbi->fdadr1; /* frame descripter*/ - - return 0; -} - -void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue) -{ -} - -void lcd_initcolregs (void) -{ -} |