diff options
Diffstat (limited to 'board/eNET')
| -rw-r--r-- | board/eNET/Makefile | 52 | ||||
| -rw-r--r-- | board/eNET/eNET.c | 284 | ||||
| -rw-r--r-- | board/eNET/eNET_pci.c | 128 | ||||
| -rw-r--r-- | board/eNET/eNET_start.S | 30 | ||||
| -rw-r--r-- | board/eNET/eNET_start16.S | 87 | ||||
| -rw-r--r-- | board/eNET/hardware.h | 36 |
6 files changed, 0 insertions, 617 deletions
diff --git a/board/eNET/Makefile b/board/eNET/Makefile deleted file mode 100644 index ad1c5b1..0000000 --- a/board/eNET/Makefile +++ /dev/null @@ -1,52 +0,0 @@ -# -# (C) Copyright 2008 -# Graeme Russ, graeme.russ@gmail.com. -# -# (C) Copyright 2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2002 -# Daniel Engström, Omicron Ceti AB, daniel@omicron.se. -# -# 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 -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).o - -COBJS-y += eNET.o -COBJS-$(CONFIG_PCI) += eNET_pci.o -SOBJS-y += eNET_start16.o -SOBJS-y += eNET_start.o - -SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) - -$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(call cmd_link_o_target, $(OBJS) $(SOBJS)) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/eNET/eNET.c b/board/eNET/eNET.c deleted file mode 100644 index 2f26470..0000000 --- a/board/eNET/eNET.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - * (C) Copyright 2008 - * Graeme Russ, graeme.russ@gmail.com. - * - * 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 - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/sc520.h> -#include <net.h> -#include <netdev.h> - -#ifdef CONFIG_HW_WATCHDOG -#include <watchdog.h> -#endif - -#include "hardware.h" - -DECLARE_GLOBAL_DATA_PTR; - -unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN; - -static void enet_timer_isr(void); -static void enet_toggle_run_led(void); -static void enet_setup_pars(void); - -/* - * Miscellaneous platform dependent initializations - */ -int board_early_init_f(void) -{ - u16 pio_out_cfg = 0x0000; - - /* Configure General Purpose Bus timing */ - writeb(CONFIG_SYS_SC520_GPCSRT, &sc520_mmcr->gpcsrt); - writeb(CONFIG_SYS_SC520_GPCSPW, &sc520_mmcr->gpcspw); - writeb(CONFIG_SYS_SC520_GPCSOFF, &sc520_mmcr->gpcsoff); - writeb(CONFIG_SYS_SC520_GPRDW, &sc520_mmcr->gprdw); - writeb(CONFIG_SYS_SC520_GPRDOFF, &sc520_mmcr->gprdoff); - writeb(CONFIG_SYS_SC520_GPWRW, &sc520_mmcr->gpwrw); - writeb(CONFIG_SYS_SC520_GPWROFF, &sc520_mmcr->gpwroff); - - /* Configure Programmable Input/Output Pins */ - writew(CONFIG_SYS_SC520_PIODIR15_0, &sc520_mmcr->piodir15_0); - writew(CONFIG_SYS_SC520_PIODIR31_16, &sc520_mmcr->piodir31_16); - writew(CONFIG_SYS_SC520_PIOPFS31_16, &sc520_mmcr->piopfs31_16); - writew(CONFIG_SYS_SC520_PIOPFS15_0, &sc520_mmcr->piopfs15_0); - writeb(CONFIG_SYS_SC520_CSPFS, &sc520_mmcr->cspfs); - writeb(CONFIG_SYS_SC520_CLKSEL, &sc520_mmcr->clksel); - - /* - * Turn off top board - * Set StrataFlash chips to 16-bit width - * Set StrataFlash chips to normal (non reset/power down) mode - */ - pio_out_cfg |= CONFIG_SYS_ENET_TOP_BRD_PWR; - pio_out_cfg |= CONFIG_SYS_ENET_SF_WIDTH; - pio_out_cfg |= CONFIG_SYS_ENET_SF1_MODE; - pio_out_cfg |= CONFIG_SYS_ENET_SF2_MODE; - writew(pio_out_cfg, &sc520_mmcr->pioset15_0); - - /* Turn off auxiliary power output */ - writew(CONFIG_SYS_ENET_AUX_PWR, &sc520_mmcr->pioclr15_0); - - /* Clear FPGA program mode */ - writew(CONFIG_SYS_ENET_FPGA_PROG, &sc520_mmcr->pioset31_16); - - enet_setup_pars(); - - /* Disable Watchdog */ - writew(0x3333, &sc520_mmcr->wdtmrctl); - writew(0xcccc, &sc520_mmcr->wdtmrctl); - writew(0x0000, &sc520_mmcr->wdtmrctl); - - /* Chip Select Configuration */ - writew(CONFIG_SYS_SC520_BOOTCS_CTRL, &sc520_mmcr->bootcsctl); - writew(CONFIG_SYS_SC520_ROMCS1_CTRL, &sc520_mmcr->romcs1ctl); - writew(CONFIG_SYS_SC520_ROMCS2_CTRL, &sc520_mmcr->romcs2ctl); - - writeb(CONFIG_SYS_SC520_ADDDECCTL, &sc520_mmcr->adddecctl); - writeb(CONFIG_SYS_SC520_UART1CTL, &sc520_mmcr->uart1ctl); - writeb(CONFIG_SYS_SC520_UART2CTL, &sc520_mmcr->uart2ctl); - - writeb(CONFIG_SYS_SC520_SYSARBCTL, &sc520_mmcr->sysarbctl); - writew(CONFIG_SYS_SC520_SYSARBMENB, &sc520_mmcr->sysarbmenb); - - /* enable posted-writes */ - writeb(CONFIG_SYS_SC520_HBCTL, &sc520_mmcr->hbctl); - - return 0; -} - -static void enet_setup_pars(void) -{ - /* - * PARs 11 and 12 are 2MB SRAM @ 0x19000000 - * - * These are setup now because older version of U-Boot have them - * mapped to a different PAR which gets clobbered which prevents - * using SRAM for warm-booting a new image - */ - writel(CONFIG_SYS_SC520_SRAM1_PAR, &sc520_mmcr->par[11]); - writel(CONFIG_SYS_SC520_SRAM2_PAR, &sc520_mmcr->par[12]); - - /* PARs 0 and 1 are Compact Flash slots (4kB each) */ - writel(CONFIG_SYS_SC520_CF1_PAR, &sc520_mmcr->par[0]); - writel(CONFIG_SYS_SC520_CF2_PAR, &sc520_mmcr->par[1]); - - /* PAR 2 is used for Cache-As-RAM */ - - /* - * PARs 5 through 8 are additional NS16550 UARTS - * 8 bytes each @ 0x013f8, 0x012f8, 0x011f8 and 0x010f8 - */ - writel(CONFIG_SYS_SC520_UARTA_PAR, &sc520_mmcr->par[5]); - writel(CONFIG_SYS_SC520_UARTB_PAR, &sc520_mmcr->par[6]); - writel(CONFIG_SYS_SC520_UARTC_PAR, &sc520_mmcr->par[7]); - writel(CONFIG_SYS_SC520_UARTD_PAR, &sc520_mmcr->par[8]); - - /* PARs 9 and 10 are 32MB StrataFlash @ 0x10000000 */ - writel(CONFIG_SYS_SC520_SF1_PAR, &sc520_mmcr->par[9]); - writel(CONFIG_SYS_SC520_SF2_PAR, &sc520_mmcr->par[10]); - - /* PAR 13 is 4kB DPRAM @ 0x18100000 (implemented in FPGA) */ - writel(CONFIG_SYS_SC520_DPRAM_PAR, &sc520_mmcr->par[13]); - - /* - * PAR 14 is Low Level I/O (LEDs, Hex Switches etc) - * Already configured in board_init16 (eNET_start16.S) - * - * PAR 15 is Boot ROM - * Already configured in board_init16 (eNET_start16.S) - */ -} - - -int board_early_init_r(void) -{ - /* CPU Speed to 100MHz */ - gd->cpu_clk = 100000000; - - /* Crystal is 33.000MHz */ - gd->bus_clk = 33000000; - - return 0; -} - -void show_boot_progress(int val) -{ - uchar led_mask; - - led_mask = 0x00; - - if (val < 0) - led_mask |= LED_ERR_BITMASK; - - led_mask |= (uchar)(val & 0x001f); - outb(led_mask, LED_LATCH_ADDRESS); -} - - -int last_stage_init(void) -{ - outb(0x00, LED_LATCH_ADDRESS); - - register_timer_isr(enet_timer_isr); - - printf("Serck Controls eNET\n"); - - return 0; -} - -ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info) -{ - if (banknum == 0) { /* non-CFI boot flash */ - info->portwidth = FLASH_CFI_8BIT; - info->chipwidth = FLASH_CFI_BY8; - info->interface = FLASH_CFI_X8; - return 1; - } else { - return 0; - } -} - -int board_eth_init(bd_t *bis) -{ - return pci_eth_init(bis); -} - -void setup_pcat_compatibility() -{ - /* disable global interrupt mode */ - writeb(0x40, &sc520_mmcr->picicr); - - /* set all irqs to edge */ - writeb(0x00, &sc520_mmcr->pic_mode[0]); - writeb(0x00, &sc520_mmcr->pic_mode[1]); - writeb(0x00, &sc520_mmcr->pic_mode[2]); - - /* - * active low polarity on PIC interrupt pins, - * active high polarity on all other irq pins - */ - writew(0x0000, &sc520_mmcr->intpinpol); - - /* - * PIT 0 -> IRQ0 - * RTC -> IRQ8 - * FP error -> IRQ13 - * UART1 -> IRQ4 - * UART2 -> IRQ3 - */ - writeb(SC520_IRQ0, &sc520_mmcr->pit_int_map[0]); - writeb(SC520_IRQ8, &sc520_mmcr->rtcmap); - writeb(SC520_IRQ13, &sc520_mmcr->ferrmap); - writeb(SC520_IRQ4, &sc520_mmcr->uart_int_map[0]); - writeb(SC520_IRQ3, &sc520_mmcr->uart_int_map[1]); - - /* Disable all other interrupt sources */ - writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_tmr_int_map[0]); - writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_tmr_int_map[1]); - writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_tmr_int_map[2]); - writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pit_int_map[1]); - writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pit_int_map[2]); - writeb(SC520_IRQ_DISABLED, &sc520_mmcr->ssimap); - writeb(SC520_IRQ_DISABLED, &sc520_mmcr->wdtmap); - writeb(SC520_IRQ_DISABLED, &sc520_mmcr->wpvmap); - writeb(SC520_IRQ_DISABLED, &sc520_mmcr->icemap); -} - -void enet_timer_isr(void) -{ - static long enet_ticks; - - enet_ticks++; - - /* Toggle Watchdog every 100ms */ - if ((enet_ticks % 100) == 0) - hw_watchdog_reset(); - - /* Toggle Run LED every 500ms */ - if ((enet_ticks % 500) == 0) - enet_toggle_run_led(); -} - -void hw_watchdog_reset(void) -{ - /* Watchdog Reset must be atomic */ - long flag = disable_interrupts(); - - if (sc520_mmcr->piodata15_0 & WATCHDOG_PIO_BIT) - sc520_mmcr->pioclr15_0 = WATCHDOG_PIO_BIT; - else - sc520_mmcr->pioset15_0 = WATCHDOG_PIO_BIT; - - if (flag) - enable_interrupts(); -} - -void enet_toggle_run_led(void) -{ - unsigned char leds_state = inb(LED_LATCH_ADDRESS); - if (leds_state & LED_RUN_BITMASK) - outb(leds_state & ~LED_RUN_BITMASK, LED_LATCH_ADDRESS); - else - outb(leds_state | LED_RUN_BITMASK, LED_LATCH_ADDRESS); -} diff --git a/board/eNET/eNET_pci.c b/board/eNET/eNET_pci.c deleted file mode 100644 index 5af4ef7..0000000 --- a/board/eNET/eNET_pci.c +++ /dev/null @@ -1,128 +0,0 @@ -/* - * (C) Copyright 2008,2009 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * 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 - */ - -#include <common.h> -#include <pci.h> -#include <asm/pci.h> -#include <asm/arch/pci.h> - -static void pci_enet_fixup_irq(struct pci_controller *hose, pci_dev_t dev) -{ - /* a configurable lists of IRQs to steal when we need one */ - static int irq_list[] = { - CONFIG_SYS_FIRST_PCI_IRQ, - CONFIG_SYS_SECOND_PCI_IRQ, - CONFIG_SYS_THIRD_PCI_IRQ, - CONFIG_SYS_FORTH_PCI_IRQ - }; - static int next_irq_index; - - uchar tmp_pin; - int pin; - - pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &tmp_pin); - pin = tmp_pin; - - pin -= 1; /* PCI config space use 1-based numbering */ - if (pin == -1) - return; /* device use no irq */ - - /* map device number + pin to a pin on the sc520 */ - switch (PCI_DEV(dev)) { - case 12: /* First Ethernet Chip */ - pin += SC520_PCI_INTA; - break; - - case 13: /* Second Ethernet Chip */ - pin += SC520_PCI_INTB; - break; - - default: - return; - } - - pin &= 3; /* wrap around */ - - if (sc520_pci_ints[pin] == -1) { - /* re-route one interrupt for us */ - if (next_irq_index > 3) - return; - - if (pci_sc520_set_irq(pin, irq_list[next_irq_index])) - return; - - next_irq_index++; - } - - if (-1 != sc520_pci_ints[pin]) - pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, - sc520_pci_ints[pin]); - - printf("fixup_irq: device %d pin %c irq %d\n", - PCI_DEV(dev), 'A' + pin, sc520_pci_ints[pin]); -} - -static struct pci_controller enet_hose = { - fixup_irq: pci_enet_fixup_irq, -}; - -void pci_init_board(void) -{ - pci_sc520_init(&enet_hose); -} - -int pci_set_regions(struct pci_controller *hose) -{ - /* System memory space */ - pci_set_region(hose->regions + 0, - SC520_PCI_MEMORY_BUS, - SC520_PCI_MEMORY_PHYS, - SC520_PCI_MEMORY_SIZE, - PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); - - /* ISA/PCI memory space */ - pci_set_region(hose->regions + 1, - SC520_ISA_MEM_BUS, - SC520_ISA_MEM_PHYS, - SC520_ISA_MEM_SIZE, - PCI_REGION_MEM); - - /* PCI I/O space */ - pci_set_region(hose->regions + 2, - SC520_PCI_IO_BUS, - SC520_PCI_IO_PHYS, - SC520_PCI_IO_SIZE, - PCI_REGION_IO); - - /* ISA/PCI I/O space */ - pci_set_region(hose->regions + 3, - SC520_ISA_IO_BUS, - SC520_ISA_IO_PHYS, - SC520_ISA_IO_SIZE, - PCI_REGION_IO); - - return 4; -} diff --git a/board/eNET/eNET_start.S b/board/eNET/eNET_start.S deleted file mode 100644 index 0dec7ea..0000000 --- a/board/eNET/eNET_start.S +++ /dev/null @@ -1,30 +0,0 @@ -/* - * (C) Copyright 2008 - * Graeme Russ, graeme.russ@gmail.com. - * - * 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 - */ - -#include "hardware.h" - -/* board early intialization */ -.globl early_board_init -early_board_init: - /* No 32-bit board specific initialisation */ - jmp early_board_init_ret diff --git a/board/eNET/eNET_start16.S b/board/eNET/eNET_start16.S deleted file mode 100644 index 5e3f44c..0000000 --- a/board/eNET/eNET_start16.S +++ /dev/null @@ -1,87 +0,0 @@ -/* - * (C) Copyright 2008 - * Graeme Russ, graeme.russ@gmail.com. - * - * 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 - */ - -/* - * 16bit initialization code. - * This code have to map the area of the boot flash - * that is used by U-boot to its final destination. - */ - -#include "config.h" -#include "hardware.h" -#include <asm/arch/sc520.h> -#include <generated/asm-offsets.h> - -.text -.section .start16, "ax" -.code16 -.globl board_init16 -board_init16: - /* Alias MMCR to 0xdf000 */ - movw $0xfffc, %dx - movl $0x800df0cb, %eax - outl %eax, %dx - - /* Set ds to point to MMCR alias */ - movw $0xdf00, %ax - movw %ax, %ds - - /* Map PAR for Boot Flash (BOOTCS, 512kB @ 0x380000000) */ - movl $GENERATED_SC520_PAR14, %edi - movl $CONFIG_SYS_SC520_BOOTCS_PAR, %eax - movl %eax, (%di) - - /* Map PAR for LED, Hex Switches (GPCS6, 20 Bytes @ 0x1000) */ - movl $GENERATED_SC520_PAR15, %edi - movl $CONFIG_SYS_SC520_LLIO_PAR, %eax - movl %eax, (%di) - - /* Disabe MMCR alias */ - movw $0xfffc, %dx - movl $0x000000cb, %eax - outl %eax, %dx - - jmp board_init16_ret - -.section .bios, "ax" -.code16 -.globl realmode_reset -.hidden realmode_reset -.type realmode_reset, @function -realmode_reset: - /* Alias MMCR to 0xdf000 */ - movw $0xfffc, %dx - movl $0x800df0cb, %eax - outl %eax, %dx - - /* Set ds to point to MMCR alias */ - movw $0xdf00, %ax - movw %ax, %ds - - /* issue software reset thorugh MMCR */ - movl $0xd72, %edi - movb $0x01, %al - movb %al, (%di) - -1: hlt - jmp 1 diff --git a/board/eNET/hardware.h b/board/eNET/hardware.h deleted file mode 100644 index dec2cd8..0000000 --- a/board/eNET/hardware.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * (C) Copyright 2008 - * Graeme Russ, graeme.russ@gmail.com. - * - * 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 HARDWARE_H_ -#define HARDWARE_H_ - -#define LED_LATCH_ADDRESS 0x1002 -#define LED_RUN_BITMASK 0x01 -#define LED_1_BITMASK 0x02 -#define LED_2_BITMASK 0x04 -#define LED_RX_BITMASK 0x08 -#define LED_TX_BITMASK 0x10 -#define LED_ERR_BITMASK 0x20 -#define WATCHDOG_PIO_BIT 0x8000 - -#endif /* HARDWARE_H_ */ |