+++ /dev/null
-/*
- * Copyright 2004,2009 Freescale Semiconductor, Inc.
- * Jeff Brown
- * Srikanth Srinivasan (srikanth.srinivasan@freescale.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
- */
-
-/*
- * cpu_init.c - low level cpu init
- */
-
-#include <config.h>
-#include <common.h>
-#include <mpc86xx.h>
-#include <asm/mmu.h>
-#include <asm/fsl_law.h>
-#include <asm/mp.h>
-
-void setup_bats(void);
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * Breathe some life into the CPU...
- *
- * Set up the memory map
- * initialize a bunch of registers
- */
-
-void cpu_init_f(void)
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile ccsr_lbc_t *memctl = &immap->im_lbc;
-
- /* 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));
-
-#ifdef CONFIG_FSL_LAW
- init_laws();
-#endif
-
- setup_bats();
-
- /* Map banks 0 and 1 to the FLASH banks 0 and 1 at preliminary
- * addresses - these have to be modified later when FLASH size
- * has been determined
- */
-
-#if defined(CONFIG_SYS_OR0_REMAP)
- memctl->or0 = CONFIG_SYS_OR0_REMAP;
-#endif
-#if defined(CONFIG_SYS_OR1_REMAP)
- memctl->or1 = CONFIG_SYS_OR1_REMAP;
-#endif
-
- /* now restrict to preliminary range */
-#if defined(CONFIG_SYS_BR0_PRELIM) && defined(CONFIG_SYS_OR0_PRELIM)
- memctl->br0 = CONFIG_SYS_BR0_PRELIM;
- memctl->or0 = CONFIG_SYS_OR0_PRELIM;
-#endif
-
-#if defined(CONFIG_SYS_BR1_PRELIM) && defined(CONFIG_SYS_OR1_PRELIM)
- memctl->or1 = CONFIG_SYS_OR1_PRELIM;
- memctl->br1 = CONFIG_SYS_BR1_PRELIM;
-#endif
-
-#if defined(CONFIG_SYS_BR2_PRELIM) && defined(CONFIG_SYS_OR2_PRELIM)
- memctl->or2 = CONFIG_SYS_OR2_PRELIM;
- memctl->br2 = CONFIG_SYS_BR2_PRELIM;
-#endif
-
-#if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM)
- memctl->or3 = CONFIG_SYS_OR3_PRELIM;
- memctl->br3 = CONFIG_SYS_BR3_PRELIM;
-#endif
-
-#if defined(CONFIG_SYS_BR4_PRELIM) && defined(CONFIG_SYS_OR4_PRELIM)
- memctl->or4 = CONFIG_SYS_OR4_PRELIM;
- memctl->br4 = CONFIG_SYS_BR4_PRELIM;
-#endif
-
-#if defined(CONFIG_SYS_BR5_PRELIM) && defined(CONFIG_SYS_OR5_PRELIM)
- memctl->or5 = CONFIG_SYS_OR5_PRELIM;
- memctl->br5 = CONFIG_SYS_BR5_PRELIM;
-#endif
-
-#if defined(CONFIG_SYS_BR6_PRELIM) && defined(CONFIG_SYS_OR6_PRELIM)
- memctl->or6 = CONFIG_SYS_OR6_PRELIM;
- memctl->br6 = CONFIG_SYS_BR6_PRELIM;
-#endif
-
-#if defined(CONFIG_SYS_BR7_PRELIM) && defined(CONFIG_SYS_OR7_PRELIM)
- memctl->or7 = CONFIG_SYS_OR7_PRELIM;
- memctl->br7 = CONFIG_SYS_BR7_PRELIM;
-#endif
-#if defined(CONFIG_FSL_DMA)
- dma_init();
-#endif
-
- /* enable the timebase bit in HID0 */
- set_hid0(get_hid0() | 0x4000000);
-
- /* enable EMCP, SYNCBE | ABE bits in HID1 */
- set_hid1(get_hid1() | 0x80000C00);
-}
-
-/*
- * initialize higher level parts of CPU like timers
- */
-int cpu_init_r(void)
-{
-#if defined(CONFIG_MP)
- setup_mp();
-#endif
- return 0;
-}
-
-/* Set up BAT registers */
-void setup_bats(void)
-{
-#if defined(CONFIG_SYS_DBAT0U) && defined(CONFIG_SYS_DBAT0L)
- write_bat(DBAT0, CONFIG_SYS_DBAT0U, CONFIG_SYS_DBAT0L);
-#endif
-#if defined(CONFIG_SYS_IBAT0U) && defined(CONFIG_SYS_IBAT0L)
- write_bat(IBAT0, CONFIG_SYS_IBAT0U, CONFIG_SYS_IBAT0L);
-#endif
- write_bat(DBAT1, CONFIG_SYS_DBAT1U, CONFIG_SYS_DBAT1L);
- write_bat(IBAT1, CONFIG_SYS_IBAT1U, CONFIG_SYS_IBAT1L);
- write_bat(DBAT2, CONFIG_SYS_DBAT2U, CONFIG_SYS_DBAT2L);
- write_bat(IBAT2, CONFIG_SYS_IBAT2U, CONFIG_SYS_IBAT2L);
- write_bat(DBAT3, CONFIG_SYS_DBAT3U, CONFIG_SYS_DBAT3L);
- write_bat(IBAT3, CONFIG_SYS_IBAT3U, CONFIG_SYS_IBAT3L);
- write_bat(DBAT4, CONFIG_SYS_DBAT4U, CONFIG_SYS_DBAT4L);
- write_bat(IBAT4, CONFIG_SYS_IBAT4U, CONFIG_SYS_IBAT4L);
- write_bat(DBAT5, CONFIG_SYS_DBAT5U, CONFIG_SYS_DBAT5L);
- write_bat(IBAT5, CONFIG_SYS_IBAT5U, CONFIG_SYS_IBAT5L);
- write_bat(DBAT6, CONFIG_SYS_DBAT6U, CONFIG_SYS_DBAT6L);
- write_bat(IBAT6, CONFIG_SYS_IBAT6U, CONFIG_SYS_IBAT6L);
- write_bat(DBAT7, CONFIG_SYS_DBAT7U, CONFIG_SYS_DBAT7L);
- write_bat(IBAT7, CONFIG_SYS_IBAT7U, CONFIG_SYS_IBAT7L);
-
- return;
-}
-
-#ifdef CONFIG_ADDR_MAP
-/* Initialize address mapping array */
-void init_addr_map(void)
-{
- int i;
- ppc_bat_t bat = DBAT0;
- phys_size_t size;
- unsigned long upper, lower;
-
- for (i = 0; i < CONFIG_SYS_NUM_ADDR_MAP; i++, bat++) {
- if (read_bat(bat, &upper, &lower) != -1) {
- if (!BATU_VALID(upper))
- size = 0;
- else
- size = BATU_SIZE(upper);
- addrmap_set_entry(BATU_VADDR(upper), BATL_PADDR(lower),
- size, i);
- }
-#ifdef CONFIG_HIGH_BATS
- /* High bats are not contiguous with low BAT numbers */
- if (bat == DBAT3)
- bat = DBAT4 - 1;
-#endif
- }
-}
-#endif
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