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-rw-r--r--cpu/mpc8xx/Makefile2
-rw-r--r--cpu/mpc8xx/lcd.c91
-rw-r--r--cpu/mpc8xx/start.S2
3 files changed, 76 insertions, 19 deletions
diff --git a/cpu/mpc8xx/Makefile b/cpu/mpc8xx/Makefile
index be62ca8f2..8b05721d5 100644
--- a/cpu/mpc8xx/Makefile
+++ b/cpu/mpc8xx/Makefile
@@ -31,7 +31,7 @@ START = start.o kgdb.o
OBJS = bedbug_860.o commproc.o cpu.o cpu_init.o \
fec.o i2c.o interrupts.o lcd.o scc.o \
serial.o speed.o spi.o status_led.o\
- traps.o upatch.o video.o wlkbd.o
+ traps.o upatch.o video.o
all: .depend $(START) $(LIB)
diff --git a/cpu/mpc8xx/lcd.c b/cpu/mpc8xx/lcd.c
index 0db534865..fad383f51 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 */
/************************************************************************/
diff --git a/cpu/mpc8xx/start.S b/cpu/mpc8xx/start.S
index c5dc5a973..3cc4ecba2 100644
--- a/cpu/mpc8xx/start.S
+++ b/cpu/mpc8xx/start.S
@@ -723,7 +723,7 @@ trap_init:
lwz r7, GOT(_start)
lwz r8, GOT(_end_of_vectors)
- rlwinm r9, r7, 0, 22, 31 /* _start & 0x3FF */
+ li r9, 0x100 /* reset vector always at 0x100 */
cmplw 0, r7, r8
bgelr /* return if r7>=r8 - just in case */
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 22:53:03 +0000