OpenWrt – Rev 4
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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
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