| 0,0 → 1,75 |
|---|
| /* |
| * Copyright (C) 2006 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup sparc64 |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief FireHose Controller (FHC) driver. |
| * |
| * Note that this driver is a result of reverse engineering |
| * rather than implementation of a specification. This |
| * is due to the fact that the FHC documentation is not |
| * publicly available. |
| */ |
| |
| #include <arch/drivers/fhc.h> |
| #include <arch/mm/page.h> |
| #include <arch/types.h> |
| #include <typedefs.h> |
| |
| #include <genarch/kbd/z8530.h> |
| |
| volatile uint32_t *fhc = NULL; |
| |
| #define FHC_UART_ADDR 0x1fff8808000ULL /* hardcoded for Simics simulation */ |
| |
| #define FHC_UART_IMAP 0x0 |
| #define FHC_UART_ICLR 0x4 |
| |
| void fhc_init(void) |
| { |
| fhc = (void *) hw_map(FHC_UART_ADDR, PAGE_SIZE); |
| |
| (void) fhc[FHC_UART_ICLR]; |
| fhc[FHC_UART_ICLR] = 0; |
| (void) fhc[FHC_UART_IMAP]; |
| fhc[FHC_UART_IMAP] = Z8530_INTRCV_DATA0; /* hardcoded for Simics simulation */ |
| (void) fhc[FHC_UART_IMAP]; |
| fhc[FHC_UART_IMAP] = 0x80000000; /* hardcoded for Simics simulation */ |
| } |
| |
| void fhc_uart_reset(void) |
| { |
| (void) fhc[FHC_UART_ICLR]; |
| fhc[FHC_UART_ICLR] = 0; |
| } |
| |
| /** @} |
| */ |