diff options
Diffstat (limited to 'board/amcc/katmai')
| -rw-r--r-- | board/amcc/katmai/katmai.c | 35 | ||||
| -rw-r--r-- | board/amcc/katmai/katmai.h | 65 |
2 files changed, 25 insertions, 75 deletions
diff --git a/board/amcc/katmai/katmai.c b/board/amcc/katmai/katmai.c index 8704925..fbf1a98 100644 --- a/board/amcc/katmai/katmai.c +++ b/board/amcc/katmai/katmai.c @@ -28,7 +28,6 @@ #include <i2c.h> #include <asm-ppc/io.h> -#include "katmai.h" #include "../cpu/ppc4xx/440spe_pcie.h" #undef PCIE_ENDPOINT @@ -40,7 +39,6 @@ void ppc440spe_setup_pcie(struct pci_controller *hose, int port); int board_early_init_f (void) { unsigned long mfr; - unsigned long pfc; /*----------------------------------------------------------------------+ * Interrupt controller setup for the Katmai 440SPe Evaluation board. @@ -228,15 +226,11 @@ int board_early_init_f (void) mfr &= ~SDR0_MFR_ECS_MASK; /* mtsdr(sdr_mfr, mfr); */ - /* - * Setup GPIO signalling per defines in katmai.h - */ - pfc = PFC0_KATMAI; - mtsdr(SDR0_PFC0, pfc); + mtsdr(SDR0_PFC0, CFG_PFC0); - out32(GPIO0_OR_ADDR, GPIO_OR_KATMAI); - out32(GPIO0_ODR_ADDR, GPIO_ODR_KATMAI); - out32(GPIO0_TCR_ADDR, GPIO_TCR_KATMAI); + out32(GPIO0_OR, CFG_GPIO_OR); + out32(GPIO0_ODR, CFG_GPIO_ODR); + out32(GPIO0_TCR, CFG_GPIO_TCR); return 0; } @@ -378,6 +372,23 @@ int is_pci_host(struct pci_controller *hose) return 1; } +int katmai_pcie_card_present(int port) +{ + u32 val; + + val = in32(GPIO0_IR); + switch (port) { + case 0: + return !(val & GPIO_VAL(CFG_GPIO_PCIE_PRESENT0)); + case 1: + return !(val & GPIO_VAL(CFG_GPIO_PCIE_PRESENT1)); + case 2: + return !(val & GPIO_VAL(CFG_GPIO_PCIE_PRESENT2)); + default: + return 0; + } +} + static struct pci_controller pcie_hose[3] = {{0},{0},{0}}; void pcie_setup_hoses(void) @@ -391,6 +402,10 @@ void pcie_setup_hoses(void) */ bus = 1; for (i = 0; i <= 2; i++) { + /* Check for katmai card presence */ + if (!katmai_pcie_card_present(i)) + continue; + #ifdef PCIE_ENDPOINT if (ppc440spe_init_pcie_endport(i)) { #else diff --git a/board/amcc/katmai/katmai.h b/board/amcc/katmai/katmai.h deleted file mode 100644 index 9d5b793..0000000 --- a/board/amcc/katmai/katmai.h +++ /dev/null @@ -1,65 +0,0 @@ -/* - * (C) Copyright 2007 - * Stefan Roese, DENX Software Engineering, sr@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef __KATMAI_H_ -#define __KATMAI_H_ - -/*---------------------------------------------------------------------------- - * XX - * XXXX XX XXX XXX XXXX - * XX XX XX XX XX XX - * XX XXX XX XX XX XX XX - * XX XX XXXXX XX XX XX - * XXXX XX XXXX XXXX - * XXXX - * - * The 440SPe provices 32 bits of GPIO. By default all GPIO pins - * are disabled, and must be explicitly enabled by setting a - * bit in the SDR0_PFC0 indirect DCR. Each GPIO maps 1-to-1 with the - * corresponding bit in the SDR0_PFC0 register (note that bit numbers - * reflect the PowerPC convention where bit 0 is the most-significant - * bit). - * - * Katmai specific: - * RS232_RX_EN# is held HIGH during reset by hardware, keeping the - * RS232_CTS, DSR & DCD signals coming from the MAX3411 (U26) in - * Hi-Z condition. This prevents contention between the MAX3411 (U26) - * and 74CBTLV3125PG (U2) during reset. - * - * RS232_RX_EN# is connected as GPIO pin 30. Once the processor - * is released from reset, this pin must be configured as an output and - * then driven high to enable the receive signals from the UART transciever. - *----------------------------------------------------------------------------*/ -#define GPIO_ENABLE(gpio) (0x80000000 >> (gpio)) - -#define PFC0_KATMAI GPIO_ENABLE(30) -#define GPIO_OR_KATMAI GPIO_ENABLE(30) /* Drive all outputs low except GPIO 30 */ -#define GPIO_TCR_KATMAI GPIO_ENABLE(30) -#define GPIO_ODR_KATMAI 0 /* Disable open drain for all outputs */ - -#define GPIO0_OR_ADDR (CFG_PERIPHERAL_BASE + 0x700) -#define GPIO0_TCR_ADDR (CFG_PERIPHERAL_BASE + 0x704) -#define GPIO0_ODR_ADDR (CFG_PERIPHERAL_BASE + 0x718) -#define GPIO0_IR_ADDR (CFG_PERIPHERAL_BASE + 0x71C) - -#endif /* __KATMAI_H_ */ |