diff options
Diffstat (limited to 'arch/ppc/cpu/mpc8220/cpu_init.c')
| -rw-r--r-- | arch/ppc/cpu/mpc8220/cpu_init.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/arch/ppc/cpu/mpc8220/cpu_init.c b/arch/ppc/cpu/mpc8220/cpu_init.c deleted file mode 100644 index 8f52c7d..0000000 --- a/arch/ppc/cpu/mpc8220/cpu_init.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * (C) Copyright 2000-2003 - * Wolfgang Denk, DENX Software Engineering, wd@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 - */ - -#include <common.h> -#include <mpc8220.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* - * Breath some life into the CPU... - * - * Set up the memory map, - * initialize a bunch of registers. - */ -void cpu_init_f (void) -{ - volatile flexbus8220_t *flexbus = (volatile flexbus8220_t *) MMAP_FB; - volatile pcfg8220_t *portcfg = (volatile pcfg8220_t *) MMAP_PCFG; - volatile xlbarb8220_t *xlbarb = (volatile xlbarb8220_t *) MMAP_XLBARB; - - /* Pointer is writable since we allocated a register for it */ - gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); - - /* Clear initial global data */ - memset ((void *) gd, 0, sizeof (gd_t)); - - /* Clear all port configuration */ - portcfg->pcfg0 = 0; - portcfg->pcfg1 = 0; - portcfg->pcfg2 = 0; - portcfg->pcfg3 = 0; - portcfg->pcfg2 = CONFIG_SYS_GP1_PORT2_CONFIG; - portcfg->pcfg3 = CONFIG_SYS_PCI_PORT3_CONFIG | CONFIG_SYS_GP2_PORT3_CONFIG; - - /* - * Flexbus Controller: configure chip selects and enable them - */ -#if defined (CONFIG_SYS_CS0_BASE) - flexbus->csar0 = CONFIG_SYS_CS0_BASE; - -/* Sorcery-C can hang-up after CTRL reg initialization */ -#if defined (CONFIG_SYS_CS0_CTRL) - flexbus->cscr0 = CONFIG_SYS_CS0_CTRL; -#endif - flexbus->csmr0 = ((CONFIG_SYS_CS0_MASK - 1) & 0xffff0000) | 1; - __asm__ volatile ("sync"); -#endif -#if defined (CONFIG_SYS_CS1_BASE) - flexbus->csar1 = CONFIG_SYS_CS1_BASE; - flexbus->cscr1 = CONFIG_SYS_CS1_CTRL; - flexbus->csmr1 = ((CONFIG_SYS_CS1_MASK - 1) & 0xffff0000) | 1; - __asm__ volatile ("sync"); -#endif -#if defined (CONFIG_SYS_CS2_BASE) - flexbus->csar2 = CONFIG_SYS_CS2_BASE; - flexbus->cscr2 = CONFIG_SYS_CS2_CTRL; - flexbus->csmr2 = ((CONFIG_SYS_CS2_MASK - 1) & 0xffff0000) | 1; - portcfg->pcfg3 |= CONFIG_SYS_CS2_PORT3_CONFIG; - __asm__ volatile ("sync"); -#endif -#if defined (CONFIG_SYS_CS3_BASE) - flexbus->csar3 = CONFIG_SYS_CS3_BASE; - flexbus->cscr3 = CONFIG_SYS_CS3_CTRL; - flexbus->csmr3 = ((CONFIG_SYS_CS3_MASK - 1) & 0xffff0000) | 1; - portcfg->pcfg3 |= CONFIG_SYS_CS3_PORT3_CONFIG; - __asm__ volatile ("sync"); -#endif -#if defined (CONFIG_SYS_CS4_BASE) - flexbus->csar4 = CONFIG_SYS_CS4_BASE; - flexbus->cscr4 = CONFIG_SYS_CS4_CTRL; - flexbus->csmr4 = ((CONFIG_SYS_CS4_MASK - 1) & 0xffff0000) | 1; - portcfg->pcfg3 |= CONFIG_SYS_CS4_PORT3_CONFIG; - __asm__ volatile ("sync"); -#endif -#if defined (CONFIG_SYS_CS5_BASE) - flexbus->csar5 = CONFIG_SYS_CS5_BASE; - flexbus->cscr5 = CONFIG_SYS_CS5_CTRL; - flexbus->csmr5 = ((CONFIG_SYS_CS5_MASK - 1) & 0xffff0000) | 1; - portcfg->pcfg3 |= CONFIG_SYS_CS5_PORT3_CONFIG; - __asm__ volatile ("sync"); -#endif - - /* This section of the code cannot place in cpu_init_r(), - it will cause the system to hang */ - /* enable timebase */ - xlbarb->addrTenTimeOut = 0x1000; - xlbarb->dataTenTimeOut = 0x1000; - xlbarb->busActTimeOut = 0x2000; - - xlbarb->config = 0x00002000; - - /* Master Priority Enable */ - xlbarb->mastPriority = 0; - xlbarb->mastPriEn = 0xff; -} - -/* - * initialize higher level parts of CPU like time base and timers - */ -int cpu_init_r (void) -{ - /* this may belongs to disable interrupt section */ - /* mask all interrupts */ - *(vu_long *) 0xf0000700 = 0xfffffc00; - *(vu_long *) 0xf0000714 |= 0x0001ffff; - *(vu_long *) 0xf0000710 &= ~0x00000f00; - - /* route critical ints to normal ints */ - *(vu_long *) 0xf0000710 |= 0x00000001; - -#if defined(CONFIG_CMD_NET) && defined(CONFIG_MPC8220_FEC) - /* load FEC microcode */ - loadtask (0, 2); -#endif - return (0); -} |