diff options
Diffstat (limited to 'c/src/lib/libbsp/sh/gensh2/startup/hw_init.c')
| -rw-r--r-- | c/src/lib/libbsp/sh/gensh2/startup/hw_init.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/c/src/lib/libbsp/sh/gensh2/startup/hw_init.c b/c/src/lib/libbsp/sh/gensh2/startup/hw_init.c deleted file mode 100644 index f3cbb54ecf..0000000000 --- a/c/src/lib/libbsp/sh/gensh2/startup/hw_init.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * hw_init.c: set up sh7045F internal subunits - * Pin and memory assignments assume - * target is Hitachi SH7045F EVB ("lcevb") - * - * Provides two initialization routines: - * A. 'void early_hw_init(void)' for 'start.S' - * sets up hw needed for early RTEMS boot, and - * B. 'void bsp_hw_init(void)' for 'bspstart.c' - * sets up hardware used by this BSP. - * - * Author: John M. Mills (jmills@tga.com) - * COPYRIGHT(c) 2000, TGA Technologies, Inc - * Norcross, GA 30071 U.S.A - * - * 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. - * - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - * - * Adapted from Hitachi EVB7045F tutorial files by: - * John M. Mills (jmills@tga.com) - * TGA Technologies, Inc. - * 100 Pinnacle Way, Suite 140 - * Norcross, GA 30071 U.S.A. - * - * - * This file may be copied and distributed in accordance - * the above-referenced license. It is provided for critique and - * developmental purposes without any warranty nor representation - * by the authors or by TGA Technologies. - */ - -#include <bsp.h> - -#include <stdlib.h> - -#include <rtems/libio.h> -#include <rtems/score/sh_io.h> -#include <rtems/score/iosh7045.h> - -/* exported entries */ -extern void bsp_hw_init (void); -extern void early_hw_init (void); - -/* called from 'start.S' on "#ifdef START_HW_INIT" */ -void early_hw_init (void) -{ -#ifdef STANDALONE_EVB - /* STANDALONE_EVB minimally sets up bus and DRAM here */ - /* no STANDALONE_EVB accepts defaults from debug monitor */ - - /* FIXME: replace 'magic numbers' with logical names */ - - write16(0x2020, BSC_BCR1); /* Bus width access - 32-bit on CS1 */ - write16(0xF3DD, BSC_BCR2); /* Idle cycles CS3-CS0 - 0 idle cycles*/ - write16(0xFF3F, BSC_WCR1); /* Waits for CS3-CS0 - 3 waits on CS1 */ - write16(0x000F, BSC_WCR2); /* Waits for DRAM/DMA access - default */ - write16(0x0000, BSC_DCR); /* DRAM control - default */ - write16(0x0000, BSC_RTCSR); /* DRAM refresh - default */ - write16(0x0000, BSC_RTCNT); /* DRAM refresh counter - default*/ - write16(0x0000, BSC_RTCOR); /* DRAM refresh compare match - default */ -#endif - - /* add early-init functions here */ - -}; - -/* to be called from 'bspstart.c' */ -void bsp_hw_init (void) -{ - uint16_t temp16; - -#ifdef STANDALONE_EVB - /* STANDALONE_EVB: sets up PFC */ - /* no STANDALONE_EVB: accepts defaults, adds RESET */ - - /* FIXME: replace 'magic numbers' */ - - write16(0x5000, PFC_PACRH); /* Pin function controller - WRHH, WRHL */ - write16(0x1550, PFC_PACRL1); /* Pin fun. controller - WRH,WRL,RD,CS1 */ - write16(0x0000, PFC_PBCR1); /* Pin function controller - default */ - write16(0x2005, PFC_PBCR2); /* Pin fcn. controller - A18,A17,A16 */ - write16(0xFFFF, PFC_PCCR); /* Pin function controller - A15-A0 */ - write16(0x5555, PFC_PDCRH1); /* Pin function controller - D31-D24 */ - write16(0x5555, PFC_PDCRH2); /* Pin function controller - D23-D16 */ - write16(0xFFFF, PFC_PDCRL); /* Pin function controller - D15-D0 */ - write16(0x0000, PFC_IFCR); /* Pin function controller - default */ - write16(0x0000, PFC_PACRL2); /* default disconnects all I/O pins;*/ - /* [re-connected by DEVICE_open()] */ -#endif - - /* default hardware setup for SH7045F EVB */ - - /* PFC: General I/O except pin 13 (reset): */ - temp16 = read16(PFC_PECR1); - temp16 |= 0x0800; - write16(temp16, PFC_PECR1); - - /* All I/O lines bits 7-0: */ - write16(0x00, PFC_PECR2); - - /* P5 (LED) out, all other pins in: */ - temp16 = read16(PFC_PEIOR); - temp16 |= 0x0020; - write16(temp16, PFC_PEIOR); - -} |