--- /dev/null
+From ca8c5216cfd3ad3fda9867ed2d157ae5a209834b Mon Sep 17 00:00:00 2001
+From: Xiangfu <xiangfu@openmobilefree.net>
+Date: Wed, 10 Oct 2012 22:05:27 +0800
+Subject: [PATCH 5/6] add nanonote lcd support
+
+---
+ arch/mips/include/asm/global_data.h | 1 +
+ arch/mips/include/asm/jz4740.h | 90 ++++++++
+ arch/mips/lib/board.c | 6 +
+ common/lcd.c | 9 +-
+ drivers/video/Makefile | 1 +
+ drivers/video/nanonote_gpm940b0.c | 400 +++++++++++++++++++++++++++++++++++
+ drivers/video/nanonote_gpm940b0.h | 135 ++++++++++++
+ include/configs/qi_lb60.h | 7 +
+ include/lcd.h | 52 ++++-
+ 9 files changed, 697 insertions(+), 4 deletions(-)
+ create mode 100644 drivers/video/nanonote_gpm940b0.c
+ create mode 100644 drivers/video/nanonote_gpm940b0.h
+
+diff --git a/arch/mips/include/asm/global_data.h b/arch/mips/include/asm/global_data.h
+index cd03d7e..7cec2de 100644
+--- a/arch/mips/include/asm/global_data.h
++++ b/arch/mips/include/asm/global_data.h
+@@ -44,6 +44,7 @@ typedef struct global_data {
+ unsigned long per_clk; /* Peripheral bus clock */
+ unsigned long mem_clk; /* Memory bus clock */
+ unsigned long dev_clk; /* Device clock */
++ unsigned long fb_base; /* base address of framebuffer */
+ /* "static data" needed by most of timer.c */
+ unsigned long tbl;
+ unsigned long lastinc;
+diff --git a/arch/mips/include/asm/jz4740.h b/arch/mips/include/asm/jz4740.h
+index 68287fb..13724a2 100644
+--- a/arch/mips/include/asm/jz4740.h
++++ b/arch/mips/include/asm/jz4740.h
+@@ -1312,5 +1312,95 @@ do { \
+ while (REG_MSC_STAT & MSC_STAT_IS_RESETTING); \
+ } while (0)
+
++/*************************************************************************
++ * LCD (LCD Controller)
++ *************************************************************************/
++#define REG32(addr) *((volatile u32 *)(addr))
++
++#define CPM_BASE 0xB0000000
++#define CPM_CPCCR (CPM_BASE+0x00)
++#define REG_CPM_CPCCR REG32(CPM_CPCCR)
++
++#define LCD_BASE 0xB3050000
++#define LCD_CFG (LCD_BASE + 0x00) /* LCD Configure Register */
++#define LCD_VSYNC (LCD_BASE + 0x04) /* Vertical Synchronize Register */
++#define LCD_HSYNC (LCD_BASE + 0x08) /* Horizontal Synchronize Register */
++#define LCD_VAT (LCD_BASE + 0x0c) /* Virtual Area Setting Register */
++#define LCD_DAH (LCD_BASE + 0x10) /* Display Area Horizontal Start/End Point */
++#define LCD_DAV (LCD_BASE + 0x14) /* Display Area Vertical Start/End Point */
++#define LCD_PS (LCD_BASE + 0x18) /* PS Signal Setting */
++#define LCD_CLS (LCD_BASE + 0x1c) /* CLS Signal Setting */
++#define LCD_SPL (LCD_BASE + 0x20) /* SPL Signal Setting */
++#define LCD_REV (LCD_BASE + 0x24) /* REV Signal Setting */
++#define LCD_CTRL (LCD_BASE + 0x30) /* LCD Control Register */
++#define LCD_STATE (LCD_BASE + 0x34) /* LCD Status Register */
++#define LCD_IID (LCD_BASE + 0x38) /* Interrupt ID Register */
++#define LCD_DA0 (LCD_BASE + 0x40) /* Descriptor Address Register 0 */
++#define LCD_SA0 (LCD_BASE + 0x44) /* Source Address Register 0 */
++#define LCD_FID0 (LCD_BASE + 0x48) /* Frame ID Register 0 */
++#define LCD_CMD0 (LCD_BASE + 0x4c) /* DMA Command Register 0 */
++#define LCD_DA1 (LCD_BASE + 0x50) /* Descriptor Address Register 1 */
++#define LCD_SA1 (LCD_BASE + 0x54) /* Source Address Register 1 */
++#define LCD_FID1 (LCD_BASE + 0x58) /* Frame ID Register 1 */
++#define LCD_CMD1 (LCD_BASE + 0x5c) /* DMA Command Register 1 */
++
++#define REG_LCD_CFG REG32(LCD_CFG)
++#define REG_LCD_VSYNC REG32(LCD_VSYNC)
++#define REG_LCD_HSYNC REG32(LCD_HSYNC)
++#define REG_LCD_VAT REG32(LCD_VAT)
++#define REG_LCD_DAH REG32(LCD_DAH)
++#define REG_LCD_DAV REG32(LCD_DAV)
++#define REG_LCD_PS REG32(LCD_PS)
++#define REG_LCD_CLS REG32(LCD_CLS)
++#define REG_LCD_SPL REG32(LCD_SPL)
++#define REG_LCD_REV REG32(LCD_REV)
++#define REG_LCD_CTRL REG32(LCD_CTRL)
++#define REG_LCD_STATE REG32(LCD_STATE)
++#define REG_LCD_IID REG32(LCD_IID)
++#define REG_LCD_DA0 REG32(LCD_DA0)
++#define REG_LCD_SA0 REG32(LCD_SA0)
++#define REG_LCD_FID0 REG32(LCD_FID0)
++#define REG_LCD_CMD0 REG32(LCD_CMD0)
++#define REG_LCD_DA1 REG32(LCD_DA1)
++#define REG_LCD_SA1 REG32(LCD_SA1)
++#define REG_LCD_FID1 REG32(LCD_FID1)
++#define REG_LCD_CMD1 REG32(LCD_CMD1)
++
++#define LCD_CTRL_BPP_BIT 0 /* Bits Per Pixel */
++#define LCD_CTRL_BPP_MASK (0x07 << LCD_CTRL_BPP_BIT)
++ #define LCD_CTRL_BPP_1 (0 << LCD_CTRL_BPP_BIT) /* 1 bpp */
++ #define LCD_CTRL_BPP_2 (1 << LCD_CTRL_BPP_BIT) /* 2 bpp */
++ #define LCD_CTRL_BPP_4 (2 << LCD_CTRL_BPP_BIT) /* 4 bpp */
++ #define LCD_CTRL_BPP_8 (3 << LCD_CTRL_BPP_BIT) /* 8 bpp */
++ #define LCD_CTRL_BPP_16 (4 << LCD_CTRL_BPP_BIT) /* 15/16 bpp */
++ #define LCD_CTRL_BPP_18_24 (5 << LCD_CTRL_BPP_BIT) /* 18/24/32 bpp */
++
++#define LCD_CTRL_BST_BIT 28 /* Burst Length Selection */
++#define LCD_CTRL_BST_MASK (0x03 << LCD_CTRL_BST_BIT)
++ #define LCD_CTRL_BST_4 (0 << LCD_CTRL_BST_BIT) /* 4-word */
++ #define LCD_CTRL_BST_8 (1 << LCD_CTRL_BST_BIT) /* 8-word */
++ #define LCD_CTRL_BST_16 (2 << LCD_CTRL_BST_BIT) /* 16-word */
++#define LCD_CTRL_RGB565 (0 << 27) /* RGB565 mode */
++#define LCD_CTRL_RGB555 (1 << 27) /* RGB555 mode */
++#define LCD_CTRL_OFUP (1 << 26) /* Output FIFO underrun protection enable */
++#define LCD_CTRL_FRC_BIT 24 /* STN FRC Algorithm Selection */
++#define LCD_CTRL_FRC_MASK (0x03 << LCD_CTRL_FRC_BIT)
++ #define LCD_CTRL_FRC_16 (0 << LCD_CTRL_FRC_BIT) /* 16 grayscale */
++ #define LCD_CTRL_FRC_4 (1 << LCD_CTRL_FRC_BIT) /* 4 grayscale */
++ #define LCD_CTRL_FRC_2 (2 << LCD_CTRL_FRC_BIT) /* 2 grayscale */
++
++#define CPM_LPCDR (CPM_BASE+0x64)
++#define CPM_CLKGR (CPM_BASE+0x20)
++#define REG_CPM_LPCDR REG32(CPM_LPCDR)
++#define REG_CPM_CLKGR REG32(CPM_CLKGR)
++
++#define __cpm_start_tcu() (REG_CPM_CLKGR &= ~CPM_CLKGR_TCU)
++#define __cpm_stop_lcd() (REG_CPM_CLKGR |= CPM_CLKGR_LCD)
++#define __cpm_set_pixdiv(v) \
++ (REG_CPM_LPCDR = (REG_CPM_LPCDR & ~CPM_LPCDR_PIXDIV_MASK) | ((v) << (CPM_LPCDR_PIXDIV_BIT)))
++#define __cpm_set_ldiv(v) \
++ (REG_CPM_CPCCR = (REG_CPM_CPCCR & ~CPM_CPCCR_LDIV_MASK) | ((v) << (CPM_CPCCR_LDIV_BIT)))
++#define __cpm_start_lcd() (REG_CPM_CLKGR &= ~CPM_CLKGR_LCD)
++
+ #endif /* !__ASSEMBLY__ */
+ #endif /* __JZ4740_H__ */
+diff --git a/arch/mips/lib/board.c b/arch/mips/lib/board.c
+index b14b33e..c2e64d9 100644
+--- a/arch/mips/lib/board.c
++++ b/arch/mips/lib/board.c
+@@ -172,6 +172,12 @@ void board_init_f(ulong bootflag)
+ addr &= ~(4096 - 1);
+ debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
+
++#ifdef CONFIG_LCD
++ /* reserve memory for LCD display (always full pages) */
++ addr = lcd_setmem (addr);
++ gd->fb_base = addr;
++#endif /* CONFIG_LCD */
++
+ /* Reserve memory for U-Boot code, data & bss
+ * round down to next 16 kB limit
+ */
+diff --git a/common/lcd.c b/common/lcd.c
+index b6be800..af1281a 100644
+--- a/common/lcd.c
++++ b/common/lcd.c
+@@ -263,6 +263,13 @@ static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
+ lcd_color_fg : lcd_color_bg;
+ bits <<= 1;
+ }
++#elif LCD_BPP == LCD_COLOR32
++ uint *m = (uint *)d;
++ for (c=0; c<32; ++c) {
++ *m++ = (bits & 0x80) ?
++ lcd_color_fg : lcd_color_bg;
++ bits <<= 1;
++ }
+ #endif
+ }
+ #if LCD_BPP == LCD_MONOCHROME
+@@ -509,7 +516,7 @@ static inline ushort *configuration_get_cmap(void)
+ return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]);
+ #elif defined(CONFIG_ATMEL_LCD)
+ return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
+-#elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
++#elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB) && !defined(CONFIG_VIDEO_GPM940B0)
+ return panel_info.cmap;
+ #else
+ #if defined(CONFIG_LCD_LOGO)
+diff --git a/drivers/video/Makefile b/drivers/video/Makefile
+index ebb6da8..03625bc 100644
+--- a/drivers/video/Makefile
++++ b/drivers/video/Makefile
+@@ -50,6 +50,7 @@ COBJS-$(CONFIG_VIDEO_SED13806) += sed13806.o
+ COBJS-$(CONFIG_VIDEO_SM501) += sm501.o
+ COBJS-$(CONFIG_VIDEO_SMI_LYNXEM) += smiLynxEM.o videomodes.o
+ COBJS-$(CONFIG_VIDEO_VCXK) += bus_vcxk.o
++COBJS-$(CONFIG_VIDEO_GPM940B0) += nanonote_gpm940b0.o
+
+ COBJS := $(sort $(COBJS-y))
+ SRCS := $(COBJS:.o=.c)
+diff --git a/drivers/video/nanonote_gpm940b0.c b/drivers/video/nanonote_gpm940b0.c
+new file mode 100644
+index 0000000..11efb72
+--- /dev/null
++++ b/drivers/video/nanonote_gpm940b0.c
+@@ -0,0 +1,400 @@
++/*
++ * JzRISC lcd controller
++ *
++ * Xiangfu Liu <xiangfu@sharism.cc>
++ *
++ * 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,
++};
++
++void *lcd_base;
++void *lcd_console_address;
++int lcd_line_length;
++int lcd_color_fg;
++int lcd_color_bg;
++short console_col;
++short console_row;
++
++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 */
++ }
++}
++
++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 - 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_ctrl_init (void *lcdbase)
++{
++ __lcd_display_pin_init();
++ __lcd_display_on() ;
++
++ jz_lcd_init_mem(lcdbase, &panel_info);
++ jz_lcd_desc_init(&panel_info);
++ jz_lcd_hw_init(&panel_info);
++
++}
++
++/*
++ * 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);
++}
++
++void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
++{
++}
++
++void lcd_initcolregs (void)
++{
++}
+diff --git a/drivers/video/nanonote_gpm940b0.h b/drivers/video/nanonote_gpm940b0.h
+new file mode 100644
+index 0000000..efe491e
+--- /dev/null
++++ b/drivers/video/nanonote_gpm940b0.h
+@@ -0,0 +1,135 @@
++/*
++ * JzRISC lcd controller
++ *
++ * Xiangfu Liu <xiangfu@sharism.cc>
++ *
++ * 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
++ */
++
++#ifndef __QI_LB60_GPM940B0_H__
++#define __QI_LB60_GPM940B0_H__
++
++struct lcd_desc{
++ unsigned int next_desc; /* LCDDAx */
++ unsigned int databuf; /* LCDSAx */
++ unsigned int frame_id; /* LCDFIDx */
++ unsigned int cmd; /* LCDCMDx */
++};
++
++#define MODE_MASK 0x0f
++#define MODE_TFT_GEN 0x00
++#define MODE_TFT_SHARP 0x01
++#define MODE_TFT_CASIO 0x02
++#define MODE_TFT_SAMSUNG 0x03
++#define MODE_CCIR656_NONINT 0x04
++#define MODE_CCIR656_INT 0x05
++#define MODE_STN_COLOR_SINGLE 0x08
++#define MODE_STN_MONO_SINGLE 0x09
++#define MODE_STN_COLOR_DUAL 0x0a
++#define MODE_STN_MONO_DUAL 0x0b
++#define MODE_8BIT_SERIAL_TFT 0x0c
++
++#define MODE_TFT_18BIT (1<<7)
++
++#define STN_DAT_PIN1 (0x00 << 4)
++#define STN_DAT_PIN2 (0x01 << 4)
++#define STN_DAT_PIN4 (0x02 << 4)
++#define STN_DAT_PIN8 (0x03 << 4)
++#define STN_DAT_PINMASK STN_DAT_PIN8
++
++#define STFT_PSHI (1 << 15)
++#define STFT_CLSHI (1 << 14)
++#define STFT_SPLHI (1 << 13)
++#define STFT_REVHI (1 << 12)
++
++#define SYNC_MASTER (0 << 16)
++#define SYNC_SLAVE (1 << 16)
++
++#define DE_P (0 << 9)
++#define DE_N (1 << 9)
++
++#define PCLK_P (0 << 10)
++#define PCLK_N (1 << 10)
++
++#define HSYNC_P (0 << 11)
++#define HSYNC_N (1 << 11)
++
++#define VSYNC_P (0 << 8)
++#define VSYNC_N (1 << 8)
++
++#define DATA_NORMAL (0 << 17)
++#define DATA_INVERSE (1 << 17)
++
++
++/* Jz LCDFB supported I/O controls. */
++#define FBIOSETBACKLIGHT 0x4688
++#define FBIODISPON 0x4689
++#define FBIODISPOFF 0x468a
++#define FBIORESET 0x468b
++#define FBIOPRINT_REG 0x468c
++
++/*
++ * LCD panel specific definition
++ */
++#define MODE (0xc9) /* 8bit serial RGB */
++
++#define __spi_write_reg1(reg, val) \
++do { \
++ unsigned char no; \
++ unsigned short value; \
++ unsigned char a=reg; \
++ unsigned char b=val; \
++ __gpio_set_pin(SPEN); \
++ __gpio_set_pin(SPCK); \
++ __gpio_clear_pin(SPDA); \
++ __gpio_clear_pin(SPEN); \
++ value=((a<<8)|(b&0xFF)); \
++ for(no=0;no<16;no++) \
++ { \
++ __gpio_clear_pin(SPCK); \
++ if((value&0x8000)==0x8000) \
++ __gpio_set_pin(SPDA); \
++ else \
++ __gpio_clear_pin(SPDA); \
++ __gpio_set_pin(SPCK); \
++ value=(value<<1); \
++ } \
++ __gpio_set_pin(SPEN); \
++} while (0)
++
++#define __lcd_display_pin_init() \
++do { \
++ __cpm_start_tcu(); \
++ __gpio_as_output(SPEN); /* use SPDA */ \
++ __gpio_as_output(SPCK); /* use SPCK */ \
++ __gpio_as_output(SPDA); /* use SPDA */ \
++} while (0)
++
++#define __lcd_display_on() \
++do { \
++ __spi_write_reg1(0x05, 0x1e); \
++ __spi_write_reg1(0x05, 0x5e); \
++ __spi_write_reg1(0x07, 0x8d); \
++ __spi_write_reg1(0x13, 0x01); \
++ __spi_write_reg1(0x05, 0x5f); \
++} while (0)
++
++#define __lcd_display_off() \
++do { \
++ __spi_write_reg1(0x05, 0x5e); \
++} while (0)
++
++#endif /* __QI_LB60_GPM940B0_H__ */
+diff --git a/include/configs/qi_lb60.h b/include/configs/qi_lb60.h
+index 52b370c..d3e78ad 100644
+--- a/include/configs/qi_lb60.h
++++ b/include/configs/qi_lb60.h
+@@ -32,6 +32,13 @@
+ * Miscellaneous configurable options
+ */
+ #define CONFIG_NANONOTE
++
++#define CONFIG_LCD
++#define CONFIG_SYS_WHITE_ON_BLACK
++#define LCD_BPP LCD_COLOR32
++#define CONFIG_VIDEO_GPM940B0
++
++
+ #define CONFIG_JZ4740_MMC
+ #define CONFIG_MMC 1
+ #define CONFIG_FAT 1
+diff --git a/include/lcd.h b/include/lcd.h
+index 42070d7..6de5482 100644
+--- a/include/lcd.h
++++ b/include/lcd.h
+@@ -263,8 +263,44 @@ typedef struct vidinfo {
+
+ void init_panel_info(vidinfo_t *vid);
+
+-#else
++#elif defined(CONFIG_JZSOC)
++/*
++ * LCD controller stucture for JZSOC: JZ4740
++ */
++struct jz_fb_dma_descriptor {
++ u_long fdadr; /* Frame descriptor address register */
++ u_long fsadr; /* Frame source address register */
++ u_long fidr; /* Frame ID register */
++ u_long ldcmd; /* Command register */
++};
++
++/*
++ * Jz LCD info
++ */
++struct jz_fb_info {
++
++ u_long fdadr0; /* physical address of frame/palette descriptor */
++ u_long fdadr1; /* physical address of frame descriptor */
++
++ /* DMA descriptors */
++ struct jz_fb_dma_descriptor * dmadesc_fblow;
++ struct jz_fb_dma_descriptor * dmadesc_fbhigh;
++ struct jz_fb_dma_descriptor * dmadesc_palette;
++ u_long screen; /* address of frame buffer */
++ u_long palette; /* address of palette memory */
++ u_int palette_size;
++};
++typedef struct vidinfo {
++ ushort vl_col; /* Number of columns (i.e. 640) */
++ ushort vl_row; /* Number of rows (i.e. 480) */
++ u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 */
++
++ struct jz_fb_info jz_fb;
++} vidinfo_t;
++
++extern vidinfo_t panel_info;
+
++#else
+ typedef struct vidinfo {
+ ushort vl_col; /* Number of columns (i.e. 160) */
+ ushort vl_row; /* Number of rows (i.e. 100) */
+@@ -318,6 +354,7 @@ void lcd_show_board_info(void);
+ #define LCD_COLOR4 2
+ #define LCD_COLOR8 3
+ #define LCD_COLOR16 4
++#define LCD_COLOR32 5
+
+ /*----------------------------------------------------------------------*/
+ #if defined(CONFIG_LCD_INFO_BELOW_LOGO)
+@@ -369,7 +406,7 @@ void lcd_show_board_info(void);
+ # define CONSOLE_COLOR_GREY 14
+ # define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
+
+-#else
++#elif LCD_BPP == LCD_COLOR16
+
+ /*
+ * 16bpp color definitions
+@@ -377,6 +414,15 @@ void lcd_show_board_info(void);
+ # define CONSOLE_COLOR_BLACK 0x0000
+ # define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
+
++#elif LCD_BPP == LCD_COLOR32
++/*
++ * 18,24,32 bpp color definitions
++ */
++# define CONSOLE_COLOR_BLACK 0x00000000
++# define CONSOLE_COLOR_WHITE 0xffffffff /* Must remain last / highest */
++
++#else
++
+ #endif /* color definitions */
+
+ /************************************************************************/
+@@ -406,7 +452,7 @@ void lcd_show_board_info(void);
+ #if LCD_BPP == LCD_MONOCHROME
+ # define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
+ (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
+-#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16)
++#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16) || (LCD_BPP == LCD_COLOR32)
+ # define COLOR_MASK(c) (c)
+ #else
+ # error Unsupported LCD BPP.
+--
+1.7.9.5
+
projects / openwrt / openwrt.git / blobdiff