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Diffstat (limited to 'board/prodrive/alpr/alpr.c')
-rw-r--r--board/prodrive/alpr/alpr.c100
1 files changed, 72 insertions, 28 deletions
diff --git a/board/prodrive/alpr/alpr.c b/board/prodrive/alpr/alpr.c
index e8435bf..2389561 100644
--- a/board/prodrive/alpr/alpr.c
+++ b/board/prodrive/alpr/alpr.c
@@ -26,6 +26,7 @@
#include <asm/processor.h>
#include <spd_sdram.h>
#include <ppc4xx_enet.h>
+#include <miiphy.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -33,24 +34,14 @@ extern int alpr_fpga_init(void);
int board_early_init_f (void)
{
- unsigned long mfr;
-
- /*-------------------------------------------------------------------------+
- | Initialize EBC CONFIG
- +-------------------------------------------------------------------------*/
-#if 0
- mtebc(xbcfg, EBC_CFG_LE_UNLOCK |
- EBC_CFG_PTD_ENABLE | EBC_CFG_RTC_64PERCLK |
- EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS |
- EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_NONDEFAULT |
- EBC_CFG_PME_DISABLE | EBC_CFG_PR_32);
-#else
+ /*-------------------------------------------------------------------------
+ * Initialize EBC CONFIG
+ *-------------------------------------------------------------------------*/
mtebc(xbcfg, EBC_CFG_LE_UNLOCK |
EBC_CFG_PTD_DISABLE | EBC_CFG_RTC_64PERCLK |
EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS |
EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_NONDEFAULT |
EBC_CFG_PME_DISABLE | EBC_CFG_PR_32);
-#endif
/*--------------------------------------------------------------------
* Setup the interrupt controller polarities, triggers, etc.
@@ -58,8 +49,8 @@ int board_early_init_f (void)
mtdcr (uic0sr, 0xffffffff); /* clear all */
mtdcr (uic0er, 0x00000000); /* disable all */
mtdcr (uic0cr, 0x00000009); /* SMI & UIC1 crit are critical */
- mtdcr (uic0pr, 0xfffffe13); /* per ref-board manual */
- mtdcr (uic0tr, 0x01c00008); /* per ref-board manual */
+ mtdcr (uic0pr, 0xfffffe03); /* per manual */
+ mtdcr (uic0tr, 0x01c00000); /* per manual */
mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic0sr, 0xffffffff); /* clear all */
@@ -85,12 +76,57 @@ int board_early_init_f (void)
mtdcr (uicb0pr, 0xfc000000); /* */
mtdcr (uicb0tr, 0x00000000); /* */
mtdcr (uicb0vr, 0x00000001); /* */
- mfsdr (sdr_mfr, mfr);
- mfr &= ~SDR0_MFR_ECS_MASK;
+
+ /* Setup GPIO/IRQ multiplexing */
+ mtsdr(sdr_pfc0, 0x01a03e00);
return 0;
}
+int last_stage_init(void)
+{
+ unsigned short reg;
+
+ /*
+ * Configure LED's of both Marvell 88E1111 PHY's
+ *
+ * This has to be done after the 4xx ethernet driver is loaded,
+ * so "last_stage_init()" is the right place.
+ */
+ miiphy_read("ppc_4xx_eth2", CONFIG_PHY2_ADDR, 0x18, &reg);
+ reg |= 0x0001;
+ miiphy_write("ppc_4xx_eth2", CONFIG_PHY2_ADDR, 0x18, reg);
+ miiphy_read("ppc_4xx_eth3", CONFIG_PHY3_ADDR, 0x18, &reg);
+ reg |= 0x0001;
+ miiphy_write("ppc_4xx_eth3", CONFIG_PHY3_ADDR, 0x18, reg);
+
+ return 0;
+}
+
+static int board_rev(void)
+{
+ int rev;
+ u32 pfc0;
+
+ /* Setup GPIO14 & 15 as GPIO */
+ mfsdr(sdr_pfc0, pfc0);
+ pfc0 |= CFG_GPIO_REV0 | CFG_GPIO_REV1;
+ mtsdr(sdr_pfc0, pfc0);
+
+ /* Setup as input */
+ out32(GPIO0_TCR, in32(GPIO0_TCR) & ~(CFG_GPIO_REV0 | CFG_GPIO_REV0));
+ out32(GPIO0_ODR, in32(GPIO0_ODR) & ~(CFG_GPIO_REV0 | CFG_GPIO_REV0));
+
+ rev = (in32(GPIO0_IR) >> 16) & 0x3;
+
+ /* Setup GPIO14 & 15 as non GPIO again */
+ mfsdr(sdr_pfc0, pfc0);
+ pfc0 &= ~(CFG_GPIO_REV0 | CFG_GPIO_REV1);
+ mtsdr(sdr_pfc0, pfc0);
+
+ return rev;
+}
+
int checkboard (void)
{
char *s = getenv ("serial#");
@@ -100,7 +136,7 @@ int checkboard (void)
puts (", serial# ");
puts (s);
}
- putc ('\n');
+ printf(" (Rev. %d)\n", board_rev());
return (0);
}
@@ -224,10 +260,26 @@ void pci_target_init(struct pci_controller * hose )
*
************************************************************************/
#if defined(CONFIG_PCI)
+
+static void wait_for_pci_ready(void)
+{
+ /*
+ * Configure EREADY as input
+ */
+ out32(GPIO0_TCR, in32(GPIO0_TCR) & ~CFG_GPIO_EREADY);
+ udelay(1000);
+
+ for (;;) {
+ if (in32(GPIO0_IR) & CFG_GPIO_EREADY)
+ return;
+ }
+
+}
+
int is_pci_host(struct pci_controller *hose)
{
- /* The ocotea board is always configured as host. */
- return(1);
+ wait_for_pci_ready();
+ return 1; /* return 1 for host controller */
}
#endif /* defined(CONFIG_PCI) */
@@ -274,11 +326,3 @@ int post_hotkeys_pressed(void)
return (ctrlc());
}
#endif
-
-void board_reset(void)
-{
- /*
- * Initiate chip reset in debug control register DBCR
- */
- mtspr(dbcr0, 0x20000000);
-}