diff options
Diffstat (limited to 'board/prodrive/alpr/alpr.c')
| -rw-r--r-- | board/prodrive/alpr/alpr.c | 100 |
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 |= 0x0001; + miiphy_write("ppc_4xx_eth2", CONFIG_PHY2_ADDR, 0x18, reg); + miiphy_read("ppc_4xx_eth3", CONFIG_PHY3_ADDR, 0x18, ®); + 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); -} |