video: mb862xx: improve board-specific Lime configuration
To avoid board-specific code accessing the mb862xx registers directly,
the public function mb862xx_probe() has been introduced. Furthermore,
the "Change of Clock Frequency" and "Set Memory I/F Mode" registers
are now defined by CONFIG_SYS_MB862xx_CCF and CONFIG_SYS_MB862xx__MMR,
respectively. The BSPs for the socrates and lwmon5 boards have been
adapted accordingly.
Signed-off-by: Wolfgang Grandegger <wg@denx.de>
diff --git a/board/socrates/socrates.c b/board/socrates/socrates.c
index 51d66d5..9183c15 100644
--- a/board/socrates/socrates.c
+++ b/board/socrates/socrates.c
@@ -268,17 +268,6 @@
}
#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
-#define CONFIG_SYS_LIME_SRST ((CONFIG_SYS_LIME_BASE) + 0x01FC002C)
-#define CONFIG_SYS_LIME_CCF ((CONFIG_SYS_LIME_BASE) + 0x01FC0038)
-#define CONFIG_SYS_LIME_MMR ((CONFIG_SYS_LIME_BASE) + 0x01FCFFFC)
-/* Lime clock frequency */
-#define CONFIG_SYS_LIME_CLK_100MHZ 0x00000
-#define CONFIG_SYS_LIME_CLK_133MHZ 0x10000
-/* SDRAM parameter */
-#define CONFIG_SYS_LIME_MMR_VALUE 0x4157BA63
-
-#define DISPLAY_WIDTH 800
-#define DISPLAY_HEIGHT 480
#define DEFAULT_BRIGHTNESS 25
#define BACKLIGHT_ENABLE (1 << 31)
@@ -308,14 +297,12 @@
return init_regs;
}
-#define CONFIG_SYS_LIME_CID ((CONFIG_SYS_LIME_BASE) + 0x01FC00F0)
-#define CONFIG_SYS_LIME_REV ((CONFIG_SYS_LIME_BASE) + 0x01FF8084)
int lime_probe(void)
{
volatile ccsr_lbc_t *memctl = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
uint cfg_br2;
uint cfg_or2;
- uint reg;
+ int type;
cfg_br2 = memctl->br2;
cfg_or2 = memctl->or2;
@@ -325,21 +312,15 @@
memctl->or2 = 0xfc000410;
memctl->br2 = (CONFIG_SYS_LIME_BASE) | 0x00001901;
- /* Try to access GDC ID/Revision registers */
- reg = in_be32((void *)CONFIG_SYS_LIME_CID);
- reg = in_be32((void *)CONFIG_SYS_LIME_CID);
- if (reg == 0x303) {
- reg = in_be32((void *)CONFIG_SYS_LIME_REV);
- reg = in_be32((void *)CONFIG_SYS_LIME_REV);
- reg = ((reg & ~0xff) == 0x20050100) ? 1 : 0;
- } else
- reg = 0;
+ /* Get controller type */
+ type = mb862xx_probe(CONFIG_SYS_LIME_BASE);
/* Restore previous CS2 configuration */
memctl->br2 = 0;
memctl->or2 = cfg_or2;
memctl->br2 = cfg_br2;
- return reg;
+
+ return (type == MB862XX_TYPE_LIME) ? 1 : 0;
}
/* Returns Lime base address */
@@ -348,21 +329,8 @@
if (!lime_probe())
return 0;
- /*
- * Reset Lime controller
- */
- out_be32((void *)CONFIG_SYS_LIME_SRST, 0x1);
- udelay(200);
-
- /* Set Lime clock to 133MHz */
- out_be32((void *)CONFIG_SYS_LIME_CCF, CONFIG_SYS_LIME_CLK_133MHZ);
- /* Delay required */
- udelay(300);
- /* Set memory parameters */
- out_be32((void *)CONFIG_SYS_LIME_MMR, CONFIG_SYS_LIME_MMR_VALUE);
-
- mb862xx.winSizeX = DISPLAY_WIDTH;
- mb862xx.winSizeY = DISPLAY_HEIGHT;
+ mb862xx.winSizeX = 800;
+ mb862xx.winSizeY = 480;
mb862xx.gdfIndex = GDF_15BIT_555RGB;
mb862xx.gdfBytesPP = 2;