diff options
Diffstat (limited to 'cpu/mpc8xx/lcd.c')
| -rw-r--r-- | cpu/mpc8xx/lcd.c | 91 |
1 files changed, 74 insertions, 17 deletions
diff --git a/cpu/mpc8xx/lcd.c b/cpu/mpc8xx/lcd.c index 0db5348650..fad383f51b 100644 --- a/cpu/mpc8xx/lcd.c +++ b/cpu/mpc8xx/lcd.c @@ -36,7 +36,7 @@ #if defined(CONFIG_POST) #include <post.h> #endif - +#include <lcd.h> #ifdef CONFIG_LCD @@ -135,6 +135,19 @@ static vidinfo_t panel_info = { /*----------------------------------------------------------------------*/ /*----------------------------------------------------------------------*/ +#ifdef CONFIG_HITACHI_SP19X001_Z1A +/* + * Hitachi SP19X001-. Active, color, single scan. + */ +static vidinfo_t panel_info = { + 640, 480, 154, 116, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, + LCD_COLOR8, 1, 0, 1, 0, 0, 0, 0, 0 + /* wbl, vpw, lcdac, wbf */ +}; +#endif /* CONFIG_HITACHI_SP19X001_Z1A */ +/*----------------------------------------------------------------------*/ + +/*----------------------------------------------------------------------*/ #ifdef CONFIG_NEC_NL6648AC33 /* * NEC NL6648AC33-18. Active, color, single scan. @@ -307,7 +320,7 @@ static int lcd_line_length; static int lcd_color_fg; static int lcd_color_bg; -static char lcd_is_enabled = 0; /* Indicate that LCD is enabled */ +char lcd_is_enabled = 0; /* Indicate that LCD is enabled */ /* * Frame buffer memory information @@ -395,7 +408,8 @@ static void lcd_drawchars (ushort x, ushort y, uchar *str, int count); static inline void lcd_puts_xy (ushort x, ushort y, uchar *s); static inline void lcd_putc_xy (ushort x, ushort y, uchar c); -static int lcd_init (void *lcdbase); +int lcd_init (void *lcdbase); + static void lcd_ctrl_init (void *lcdbase); static void lcd_enable (void); static void *lcd_logo (void); @@ -410,8 +424,11 @@ static int lcd_getbgcolor (void); static void lcd_setfgcolor (int color); static void lcd_setbgcolor (int color); +#if defined(CONFIG_RBC823) +void lcd_disable (void); +#endif + #ifdef NOT_USED_SO_FAR -static void lcd_disable (void); static void lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue); static int lcd_getfgcolor (void); @@ -675,7 +692,7 @@ int drv_lcd_init (void) /*----------------------------------------------------------------------*/ -static int lcd_init (void *lcdbase) +int lcd_init (void *lcdbase) { /* Initialize the lcd controller */ debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); @@ -778,6 +795,7 @@ static void lcd_ctrl_init (void *lcdbase) volatile lcd823_t *lcdp = &immr->im_lcd; uint lccrtmp; + uint lchcr_hpc_tmp; /* Initialize the LCD control register according to the LCD * parameters defined. We do everything here but enable @@ -808,6 +826,9 @@ static void lcd_ctrl_init (void *lcdbase) /* Initialize LCD controller bus priorities. */ +#ifdef CONFIG_RBC823 + immr->im_siu_conf.sc_sdcr = (immr->im_siu_conf.sc_sdcr & ~0x0f) | 1; /* RAID = 01, LAID = 00 */ +#else immr->im_siu_conf.sc_sdcr &= ~0x0f; /* RAID = LAID = 0 */ /* set SHFT/CLOCK division factor 4 @@ -821,7 +842,21 @@ static void lcd_ctrl_init (void *lcdbase) immr->im_clkrst.car_sccr &= ~0x1F; immr->im_clkrst.car_sccr |= LCD_DF; /* was 8 */ -#ifndef CONFIG_EDT32F10 +#endif /* CONFIG_RBC823 */ + +#if defined(CONFIG_RBC823) + /* Enable LCD on port D. + */ + immr->im_ioport.iop_pddat &= 0x0300; + immr->im_ioport.iop_pdpar |= 0x1CFF; + immr->im_ioport.iop_pddir |= 0x1CFF; + + /* Configure LCD_ON, VEE_ON, CCFL_ON on port B. + */ + immr->im_cpm.cp_pbdat &= ~0x00005001; + immr->im_cpm.cp_pbpar &= ~0x00005001; + immr->im_cpm.cp_pbdir |= 0x00005001; +#elif !defined(CONFIG_EDT32F10) /* Enable LCD on port D. */ immr->im_ioport.iop_pdpar |= 0x1FFF; @@ -850,18 +885,22 @@ static void lcd_ctrl_init (void *lcdbase) /* MORE HACKS...This must be updated according to 823 manual * for different panels. + * Udi Finkelstein - done - see below: + * Note: You better not try unsupported combinations such as + * 4-bit wide passive dual scan LCD at 4/8 Bit color. */ -#ifndef CONFIG_EDT32F10 - lcdp->lcd_lchcr = LCHCR_BO | - LCDBIT (LCHCR_AT_BIT, 4) | - LCDBIT (LCHCR_HPC_BIT, panel_info.vl_col) | - panel_info.vl_wbl; -#else + lchcr_hpc_tmp = + (panel_info.vl_col * + (panel_info.vl_tft ? 8 : + (((2 - panel_info.vl_lbw) << /* 4 bit=2, 8-bit = 1 */ + /* use << to mult by: single scan = 1, dual scan = 2 */ + panel_info.vl_splt) * + (panel_info.vl_bpix | 1)))) >> 3; /* 2/4 BPP = 1, 8/16 BPP = 3 */ + lcdp->lcd_lchcr = LCHCR_BO | LCDBIT (LCHCR_AT_BIT, 4) | - LCDBIT (LCHCR_HPC_BIT, panel_info.vl_col/4) | + LCDBIT (LCHCR_HPC_BIT, lchcr_hpc_tmp) | panel_info.vl_wbl; -#endif lcdp->lcd_lcvcr = LCDBIT (LCVCR_VPW_BIT, panel_info.vl_vpw) | LCDBIT (LCVCR_LCD_AC_BIT, panel_info.vl_lcdac) | @@ -975,13 +1014,18 @@ static void lcd_enable (void) volatile lcd823_t *lcdp = &immr->im_lcd; /* Enable the LCD panel */ +#ifndef CONFIG_RBC823 immr->im_siu_conf.sc_sdcr |= (1 << (31 - 25)); /* LAM = 1 */ +#endif lcdp->lcd_lccr |= LCCR_PON; #ifdef CONFIG_V37 /* Turn on display backlight */ immr->im_cpm.cp_pbpar |= 0x00008000; immr->im_cpm.cp_pbdir |= 0x00008000; +#elif defined(CONFIG_RBC823) + /* Turn on display backlight */ + immr->im_cpm.cp_pbdat |= 0x00004000; #endif #if defined(CONFIG_LWMON) @@ -1005,12 +1049,20 @@ static void lcd_enable (void) r360_i2c_lcd_write(0x47, 0xFF); } #endif /* CONFIG_R360MPI */ +#ifdef CONFIG_RBC823 + udelay(200000); /* wait 200ms */ + /* Turn VEE_ON first */ + immr->im_cpm.cp_pbdat |= 0x00000001; + udelay(200000); /* wait 200ms */ + /* Now turn on LCD_ON */ + immr->im_cpm.cp_pbdat |= 0x00001000; +#endif } /*----------------------------------------------------------------------*/ -#ifdef NOT_USED_SO_FAR -static void lcd_disable (void) +#if defined (CONFIG_RBC823) +void lcd_disable (void) { volatile immap_t *immr = (immap_t *) CFG_IMMR; volatile lcd823_t *lcdp = &immr->im_lcd; @@ -1032,9 +1084,14 @@ static void lcd_disable (void) #endif /* CONFIG_LWMON */ /* Disable the LCD panel */ lcdp->lcd_lccr &= ~LCCR_PON; +#ifdef CONFIG_RBC823 + /* Turn off display backlight, VEE and LCD_ON */ + immr->im_cpm.cp_pbdat &= ~0x00005001; +#else immr->im_siu_conf.sc_sdcr &= ~(1 << (31 - 25)); /* LAM = 0 */ +#endif /* CONFIG_RBC823 */ } -#endif /* NOT_USED_SO_FAR */ +#endif /* NOT_USED_SO_FAR || CONFIG_RBC823 */ /************************************************************************/ |