@ -2,6 +2,9 @@
* ( C ) Copyright 2001 - 2004
* Stefan Roese , esd gmbh germany , stefan . roese @ esd - electronics . com
*
* ( C ) Copyright 2005
* Stefan Roese , DENX Software Engineering , sr @ denx . de .
*
* See file CREDITS for list of people who contributed to this
* project .
*
@ -25,8 +28,176 @@
# include <asm/processor.h>
# include <command.h>
# include <malloc.h>
# include <pci.h>
# include <sm501.h>
# ifdef CONFIG_VIDEO_SM501
# define SWAP32(x) ((((x) & 0x000000ff) << 24) | (((x) & 0x0000ff00) << 8)|\
( ( ( x ) & 0x00ff0000 ) > > 8 ) | ( ( ( x ) & 0xff000000 ) > > 24 ) )
# ifdef CONFIG_VIDEO_SM501_8BPP
# error CONFIG_VIDEO_SM501_8BPP not supported.
# endif /* CONFIG_VIDEO_SM501_8BPP */
# ifdef CONFIG_VIDEO_SM501_16BPP
# define BPP 16
/*
* 800 x600 display B084SN03 : PCLK = 40 MHz
* = > 2 * PCLK = 80 MHz
* 336 / 4 = 84 MHz
* = > PCLK = 84 MHz
*/
static const SMI_REGS init_regs_800x600 [ ] =
{
# if 1 /* test-only */
{ 0x0005c , SWAP32 ( 0xffffffff ) } , /* set endianess to big endian */
# else
{ 0x0005c , SWAP32 ( 0x00000000 ) } , /* set endianess to little endian */
# endif
{ 0x00004 , SWAP32 ( 0x00000000 ) } ,
/* clocks for pm1... */
{ 0x00048 , SWAP32 ( 0x00021807 ) } ,
{ 0x0004C , SWAP32 ( 0x221a0a01 ) } ,
{ 0x00054 , SWAP32 ( 0x00000001 ) } ,
/* clocks for pm0... */
{ 0x00040 , SWAP32 ( 0x00021807 ) } ,
{ 0x00044 , SWAP32 ( 0x221a0a01 ) } ,
{ 0x00054 , SWAP32 ( 0x00000000 ) } ,
/* panel control regs... */
{ 0x80000 , SWAP32 ( 0x0f013105 ) } , /* panel display control: 16-bit RGB 5:6:5 mode */
{ 0x80004 , SWAP32 ( 0xc428bb17 ) } , /* panel panning control ??? */
{ 0x8000C , SWAP32 ( 0x00000000 ) } , /* panel fb address */
{ 0x80010 , SWAP32 ( 0x06400640 ) } , /* panel fb offset/window width */
{ 0x80014 , SWAP32 ( 0x03200000 ) } , /* panel fb width (0x320=800) */
{ 0x80018 , SWAP32 ( 0x02580000 ) } , /* panel fb height (0x258=600) */
{ 0x8001C , SWAP32 ( 0x00000000 ) } , /* panel plane tl location */
{ 0x80020 , SWAP32 ( 0x02580320 ) } , /* panel plane br location */
{ 0x80024 , SWAP32 ( 0x041f031f ) } , /* panel horizontal total */
{ 0x80028 , SWAP32 ( 0x00800347 ) } , /* panel horizontal sync */
{ 0x8002C , SWAP32 ( 0x02730257 ) } , /* panel vertical total */
{ 0x80030 , SWAP32 ( 0x00040258 ) } , /* panel vertical sync */
{ 0x80200 , SWAP32 ( 0x00010000 ) } , /* crt display control */
{ 0 , 0 }
} ;
/*
* 1024 x768 display G150XG02 : PCLK = 65 MHz
* = > 2 * PCLK = 130 MHz
* 288 / 2 = 144 MHz
* = > PCLK = 72 MHz
*/
static const SMI_REGS init_regs_1024x768 [ ] =
{
{ 0x00004 , SWAP32 ( 0x00000000 ) } ,
/* clocks for pm1... */
{ 0x00048 , SWAP32 ( 0x00021807 ) } ,
{ 0x0004C , SWAP32 ( 0x011a0a01 ) } ,
{ 0x00054 , SWAP32 ( 0x00000001 ) } ,
/* clocks for pm0... */
{ 0x00040 , SWAP32 ( 0x00021807 ) } ,
{ 0x00044 , SWAP32 ( 0x011a0a01 ) } ,
{ 0x00054 , SWAP32 ( 0x00000000 ) } ,
/* panel control regs... */
{ 0x80000 , SWAP32 ( 0x0f013105 ) } , /* panel display control: 16-bit RGB 5:6:5 mode */
{ 0x80004 , SWAP32 ( 0xc428bb17 ) } , /* panel panning control ??? */
{ 0x8000C , SWAP32 ( 0x00000000 ) } , /* panel fb address */
{ 0x80010 , SWAP32 ( 0x08000800 ) } , /* panel fb offset/window width */
{ 0x80014 , SWAP32 ( 0x04000000 ) } , /* panel fb width (0x400=1024) */
{ 0x80018 , SWAP32 ( 0x03000000 ) } , /* panel fb height (0x300=768) */
{ 0x8001C , SWAP32 ( 0x00000000 ) } , /* panel plane tl location */
{ 0x80020 , SWAP32 ( 0x03000400 ) } , /* panel plane br location */
{ 0x80024 , SWAP32 ( 0x053f03ff ) } , /* panel horizontal total */
{ 0x80028 , SWAP32 ( 0x0140040f ) } , /* panel horizontal sync */
{ 0x8002C , SWAP32 ( 0x032502ff ) } , /* panel vertical total */
{ 0x80030 , SWAP32 ( 0x00260301 ) } , /* panel vertical sync */
{ 0x80200 , SWAP32 ( 0x00010000 ) } , /* crt display control */
{ 0 , 0 }
} ;
/* ------------------------------------------------------------------------- */
# endif /* CONFIG_VIDEO_SM501_16BPP */
# ifdef CONFIG_VIDEO_SM501_32BPP
# define BPP 32
/*
* 800 x600 display B084SN03 : PCLK = 40 MHz
* = > 2 * PCLK = 80 MHz
* 336 / 4 = 84 MHz
* = > PCLK = 84 MHz
*/
static const SMI_REGS init_regs_800x600 [ ] =
{
#if 0 /* test-only */
{ 0x0005c , SWAP32 ( 0xffffffff ) } , /* set endianess to big endian */
# else
{ 0x0005c , SWAP32 ( 0x00000000 ) } , /* set endianess to little endian */
# endif
{ 0x00004 , SWAP32 ( 0x00000000 ) } ,
/* clocks for pm1... */
{ 0x00048 , SWAP32 ( 0x00021807 ) } ,
{ 0x0004C , SWAP32 ( 0x221a0a01 ) } ,
{ 0x00054 , SWAP32 ( 0x00000001 ) } ,
/* clocks for pm0... */
{ 0x00040 , SWAP32 ( 0x00021807 ) } ,
{ 0x00044 , SWAP32 ( 0x221a0a01 ) } ,
{ 0x00054 , SWAP32 ( 0x00000000 ) } ,
/* panel control regs... */
{ 0x80000 , SWAP32 ( 0x0f013106 ) } , /* panel display control: 32-bit RGB 8:8:8 mode */
{ 0x80004 , SWAP32 ( 0xc428bb17 ) } , /* panel panning control ??? */
{ 0x8000C , SWAP32 ( 0x00000000 ) } , /* panel fb address */
{ 0x80010 , SWAP32 ( 0x0c800c80 ) } , /* panel fb offset/window width */
{ 0x80014 , SWAP32 ( 0x03200000 ) } , /* panel fb width (0x320=800) */
{ 0x80018 , SWAP32 ( 0x02580000 ) } , /* panel fb height (0x258=600) */
{ 0x8001C , SWAP32 ( 0x00000000 ) } , /* panel plane tl location */
{ 0x80020 , SWAP32 ( 0x02580320 ) } , /* panel plane br location */
{ 0x80024 , SWAP32 ( 0x041f031f ) } , /* panel horizontal total */
{ 0x80028 , SWAP32 ( 0x00800347 ) } , /* panel horizontal sync */
{ 0x8002C , SWAP32 ( 0x02730257 ) } , /* panel vertical total */
{ 0x80030 , SWAP32 ( 0x00040258 ) } , /* panel vertical sync */
{ 0x80200 , SWAP32 ( 0x00010000 ) } , /* crt display control */
{ 0 , 0 }
} ;
/*
* 1024 x768 display G150XG02 : PCLK = 65 MHz
* = > 2 * PCLK = 130 MHz
* 288 / 2 = 144 MHz
* = > PCLK = 72 MHz
*/
static const SMI_REGS init_regs_1024x768 [ ] =
{
{ 0x00004 , SWAP32 ( 0x00000000 ) } ,
/* clocks for pm1... */
{ 0x00048 , SWAP32 ( 0x00021807 ) } ,
{ 0x0004C , SWAP32 ( 0x011a0a01 ) } ,
{ 0x00054 , SWAP32 ( 0x00000001 ) } ,
/* clocks for pm0... */
{ 0x00040 , SWAP32 ( 0x00021807 ) } ,
{ 0x00044 , SWAP32 ( 0x011a0a01 ) } ,
{ 0x00054 , SWAP32 ( 0x00000000 ) } ,
/* panel control regs... */
{ 0x80000 , SWAP32 ( 0x0f013106 ) } , /* panel display control: 32-bit RGB 8:8:8 mode */
{ 0x80004 , SWAP32 ( 0xc428bb17 ) } , /* panel panning control ??? */
{ 0x8000C , SWAP32 ( 0x00000000 ) } , /* panel fb address */
{ 0x80010 , SWAP32 ( 0x10001000 ) } , /* panel fb offset/window width */
{ 0x80014 , SWAP32 ( 0x04000000 ) } , /* panel fb width (0x400=1024) */
{ 0x80018 , SWAP32 ( 0x03000000 ) } , /* panel fb height (0x300=768) */
{ 0x8001C , SWAP32 ( 0x00000000 ) } , /* panel plane tl location */
{ 0x80020 , SWAP32 ( 0x03000400 ) } , /* panel plane br location */
{ 0x80024 , SWAP32 ( 0x053f03ff ) } , /* panel horizontal total */
{ 0x80028 , SWAP32 ( 0x0140040f ) } , /* panel horizontal sync */
{ 0x8002C , SWAP32 ( 0x032502ff ) } , /* panel vertical total */
{ 0x80030 , SWAP32 ( 0x00260301 ) } , /* panel vertical sync */
{ 0x80200 , SWAP32 ( 0x00010000 ) } , /* crt display control */
{ 0 , 0 }
} ;
# endif /* CONFIG_VIDEO_SM501_32BPP */
# endif /* CONFIG_VIDEO_SM501 */
#if 0
# define FPGA_DEBUG
@ -134,14 +305,15 @@ int board_revision(void)
if ( value & 0x80000000 ) {
/* Revision 1.0 or 1.1 detected */
return 1 ;
return 0x010 1;
} else {
if ( value & 0x00400000 ) {
/* Revision 1.3 detect ed */
return 3 ;
/* unus ed */
return 0x010 3;
} else {
/* Revision 1.2 detected */
return 2 ;
/* Revision >= 2.0 detected */
/* rev. 2.x uses four SM501 GPIOs for revision coding */
return 0x0200 ;
}
}
}
@ -195,6 +367,7 @@ int misc_init_r (void)
int i ;
char * str ;
unsigned long contrast0 = 0xffffffff ;
pci_dev_t devbusfn ;
dst = malloc ( CFG_FPGA_MAX_SIZE ) ;
if ( gunzip ( dst , CFG_FPGA_MAX_SIZE , ( uchar * ) fpgadata , & len ) ! = 0 ) {
@ -261,10 +434,15 @@ int misc_init_r (void)
* Write Board revision into FPGA
*/
* fpga_ctrl | = gd - > board_type & 0x0003 ;
if ( gd - > board_type > = 2 ) {
if ( gd - > board_type > = 0x0200 ) {
* fpga_ctrl | = CFG_FPGA_CTRL_CF_BUS_EN ;
}
/*
* Setup and enable EEPROM write protection
*/
out32 ( GPIO0_OR , in32 ( GPIO0_OR ) | CFG_EEPROM_WP ) ;
/*
* Set NAND - FLASH GPIO signals to default
*/
@ -301,6 +479,7 @@ int misc_init_r (void)
/*
* Init lcd interface and display logo
*/
str = getenv ( " bd_type " ) ;
if ( strcmp ( str , " ppc230 " ) = = 0 ) {
/*
@ -376,8 +555,24 @@ int misc_init_r (void)
sizeof ( regs_13704_320_240_4bpp ) / sizeof ( regs_13704_320_240_4bpp [ 0 ] ) ,
logo_bmp_320 , sizeof ( logo_bmp_320 ) ) ;
} else {
printf ( " Unsupported bd_type defined (%s) -> No display configured! \n " , str ) ;
return 0 ;
/*
* Is SM501 connected ( ppc221 / ppc231 ) ?
*/
devbusfn = pci_find_device ( PCI_VENDOR_SM , PCI_DEVICE_SM501 , 0 ) ;
if ( devbusfn ! = - 1 ) {
puts ( " VGA: SM501 with 8 MB " ) ;
if ( strcmp ( str , " ppc221 " ) = = 0 ) {
printf ( " (800*600, %dbpp) \n " , BPP ) ;
} else if ( strcmp ( str , " ppc231 " ) = = 0 ) {
printf ( " (1024*768, %dbpp) \n " , BPP ) ;
} else {
printf ( " Unsupported bd_type defined (%s) -> No display configured! \n " , str ) ;
return 0 ;
}
} else {
printf ( " Unsupported bd_type defined (%s) -> No display configured! \n " , str ) ;
return 0 ;
}
}
return ( 0 ) ;
@ -410,7 +605,9 @@ int checkboard (void)
}
gd - > board_type = board_revision ( ) ;
printf ( " , Rev 1.%ld) \n " , gd - > board_type ) ;
printf ( " , Rev %ld.%ld) \n " ,
( gd - > board_type > > 8 ) & 0xff ,
gd - > board_type & 0xff ) ;
/*
* Disable sleep mode in LXT971
@ -420,7 +617,6 @@ int checkboard (void)
return 0 ;
}
/* ------------------------------------------------------------------------- */
long int initdram ( int board_type )
{
@ -437,7 +633,6 @@ long int initdram (int board_type)
return ( 4 * 1024 * 1024 < < ( ( val & 0x000e0000 ) > > 17 ) ) ;
}
/* ------------------------------------------------------------------------- */
int testdram ( void )
{
@ -447,7 +642,6 @@ int testdram (void)
return ( 0 ) ;
}
/* ------------------------------------------------------------------------- */
# ifdef CONFIG_IDE_RESET
void ide_set_reset ( int on )
@ -479,3 +673,202 @@ void nand_init(void)
}
}
# endif
# if defined(CFG_EEPROM_WREN)
/* Input: <dev_addr> I2C address of EEPROM device to enable.
* < state > - 1 : deliver current state
* 0 : disable write
* 1 : enable write
* Returns : - 1 : wrong device address
* 0 : dis - / en - able done
* 0 / 1 : current state if < state > was - 1.
*/
int eeprom_write_enable ( unsigned dev_addr , int state )
{
if ( CFG_I2C_EEPROM_ADDR ! = dev_addr ) {
return - 1 ;
} else {
switch ( state ) {
case 1 :
/* Enable write access, clear bit GPIO_SINT2. */
out32 ( GPIO0_OR , in32 ( GPIO0_OR ) & ~ CFG_EEPROM_WP ) ;
state = 0 ;
break ;
case 0 :
/* Disable write access, set bit GPIO_SINT2. */
out32 ( GPIO0_OR , in32 ( GPIO0_OR ) | CFG_EEPROM_WP ) ;
state = 0 ;
break ;
default :
/* Read current status back. */
state = ( 0 = = ( in32 ( GPIO0_OR ) & CFG_EEPROM_WP ) ) ;
break ;
}
}
return state ;
}
int do_eep_wren ( cmd_tbl_t * cmdtp , int flag , int argc , char * argv [ ] )
{
int query = argc = = 1 ;
int state = 0 ;
if ( query ) {
/* Query write access state. */
state = eeprom_write_enable ( CFG_I2C_EEPROM_ADDR , - 1 ) ;
if ( state < 0 ) {
puts ( " Query of write access state failed. \n " ) ;
} else {
printf ( " Write access for device 0x%0x is %sabled. \n " ,
CFG_I2C_EEPROM_ADDR , state ? " en " : " dis " ) ;
state = 0 ;
}
} else {
if ( ' 0 ' = = argv [ 1 ] [ 0 ] ) {
/* Disable write access. */
state = eeprom_write_enable ( CFG_I2C_EEPROM_ADDR , 0 ) ;
} else {
/* Enable write access. */
state = eeprom_write_enable ( CFG_I2C_EEPROM_ADDR , 1 ) ;
}
if ( state < 0 ) {
puts ( " Setup of write access state failed. \n " ) ;
}
}
return state ;
}
U_BOOT_CMD ( eepwren , 2 , 0 , do_eep_wren ,
" eepwren - Enable / disable / query EEPROM write access \n " ,
NULL ) ;
# endif /* #if defined(CFG_EEPROM_WREN) */
# ifdef CONFIG_VIDEO_SM501
# ifdef CONFIG_CONSOLE_EXTRA_INFO
/*
* Return text to be printed besides the logo .
*/
void video_get_info_str ( int line_number , char * info )
{
DECLARE_GLOBAL_DATA_PTR ;
char str [ 64 ] ;
char str2 [ 64 ] ;
int i = getenv_r ( " serial# " , str2 , sizeof ( str ) ) ;
if ( line_number = = 1 ) {
sprintf ( str , " Board: " ) ;
if ( i = = - 1 ) {
strcat ( str , " ### No HW ID - assuming HH405 " ) ;
} else {
strcat ( str , str2 ) ;
}
if ( getenv_r ( " bd_type " , str2 , sizeof ( str2 ) ) ! = - 1 ) {
strcat ( str , " ( " ) ;
strcat ( str , str2 ) ;
} else {
strcat ( str , " (Missing bd_type! " ) ;
}
sprintf ( str2 , " , Rev %ld.%ld) " ,
( gd - > board_type > > 8 ) & 0xff , gd - > board_type & 0xff ) ;
strcat ( str , str2 ) ;
strcpy ( info , str ) ;
} else {
info [ 0 ] = ' \0 ' ;
}
}
# endif /* CONFIG_CONSOLE_EXTRA_INFO */
/*
* Returns SM501 register base address . First thing called in the driver .
*/
unsigned int board_video_init ( void )
{
pci_dev_t devbusfn ;
u32 addr ;
/*
* Is SM501 connected ( ppc221 / ppc231 ) ?
*/
devbusfn = pci_find_device ( PCI_VENDOR_SM , PCI_DEVICE_SM501 , 0 ) ;
if ( devbusfn ! = - 1 ) {
pci_read_config_dword ( devbusfn , PCI_BASE_ADDRESS_1 , ( u32 * ) & addr ) ;
return ( addr & 0xfffffffe ) ;
}
return 0 ;
}
/*
* Returns SM501 framebuffer address
*/
unsigned int board_video_get_fb ( void )
{
pci_dev_t devbusfn ;
u32 addr ;
/*
* Is SM501 connected ( ppc221 / ppc231 ) ?
*/
devbusfn = pci_find_device ( PCI_VENDOR_SM , PCI_DEVICE_SM501 , 0 ) ;
if ( devbusfn ! = - 1 ) {
pci_read_config_dword ( devbusfn , PCI_BASE_ADDRESS_0 , ( u32 * ) & addr ) ;
return ( addr & 0xfffffffe ) ;
}
return 0 ;
}
/*
* Called after initializing the SM501 and before clearing the screen .
*/
void board_validate_screen ( unsigned int base )
{
}
/*
* Return a pointer to the initialization sequence .
*/
const SMI_REGS * board_get_regs ( void )
{
char * str ;
str = getenv ( " bd_type " ) ;
if ( strcmp ( str , " ppc221 " ) = = 0 ) {
return init_regs_800x600 ;
} else {
return init_regs_1024x768 ;
}
}
int board_get_width ( void )
{
char * str ;
str = getenv ( " bd_type " ) ;
if ( strcmp ( str , " ppc221 " ) = = 0 ) {
return 800 ;
} else {
return 1024 ;
}
}
int board_get_height ( void )
{
char * str ;
str = getenv ( " bd_type " ) ;
if ( strcmp ( str , " ppc221 " ) = = 0 ) {
return 600 ;
} else {
return 768 ;
}
}
# endif /* CONFIG_VIDEO_SM501 */