diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/cpu_init.c')
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu_init.c | 451 |
1 files changed, 0 insertions, 451 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c deleted file mode 100644 index 8ece970..0000000 --- a/arch/powerpc/cpu/mpc85xx/cpu_init.c +++ /dev/null @@ -1,451 +0,0 @@ -/* - * Copyright 2007-2011 Freescale Semiconductor, Inc. - * - * (C) Copyright 2003 Motorola Inc. - * Modified by Xianghua Xiao, X.Xiao@motorola.com - * - * (C) Copyright 2000 - * 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 <watchdog.h> -#include <asm/processor.h> -#include <ioports.h> -#include <sata.h> -#include <asm/io.h> -#include <asm/cache.h> -#include <asm/mmu.h> -#include <asm/fsl_law.h> -#include <asm/fsl_serdes.h> -#include "mp.h" - -DECLARE_GLOBAL_DATA_PTR; - -extern void srio_init(void); - -#ifdef CONFIG_QE -extern qe_iop_conf_t qe_iop_conf_tab[]; -extern void qe_config_iopin(u8 port, u8 pin, int dir, - int open_drain, int assign); -extern void qe_init(uint qe_base); -extern void qe_reset(void); - -static void config_qe_ioports(void) -{ - u8 port, pin; - int dir, open_drain, assign; - int i; - - for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) { - port = qe_iop_conf_tab[i].port; - pin = qe_iop_conf_tab[i].pin; - dir = qe_iop_conf_tab[i].dir; - open_drain = qe_iop_conf_tab[i].open_drain; - assign = qe_iop_conf_tab[i].assign; - qe_config_iopin(port, pin, dir, open_drain, assign); - } -} -#endif - -#ifdef CONFIG_CPM2 -void config_8560_ioports (volatile ccsr_cpm_t * cpm) -{ - int portnum; - - for (portnum = 0; portnum < 4; portnum++) { - uint pmsk = 0, - ppar = 0, - psor = 0, - pdir = 0, - podr = 0, - pdat = 0; - iop_conf_t *iopc = (iop_conf_t *) & iop_conf_tab[portnum][0]; - iop_conf_t *eiopc = iopc + 32; - uint msk = 1; - - /* - * NOTE: - * index 0 refers to pin 31, - * index 31 refers to pin 0 - */ - while (iopc < eiopc) { - if (iopc->conf) { - pmsk |= msk; - if (iopc->ppar) - ppar |= msk; - if (iopc->psor) - psor |= msk; - if (iopc->pdir) - pdir |= msk; - if (iopc->podr) - podr |= msk; - if (iopc->pdat) - pdat |= msk; - } - - msk <<= 1; - iopc++; - } - - if (pmsk != 0) { - volatile ioport_t *iop = ioport_addr (cpm, portnum); - uint tpmsk = ~pmsk; - - /* - * the (somewhat confused) paragraph at the - * bottom of page 35-5 warns that there might - * be "unknown behaviour" when programming - * PSORx and PDIRx, if PPARx = 1, so I - * decided this meant I had to disable the - * dedicated function first, and enable it - * last. - */ - iop->ppar &= tpmsk; - iop->psor = (iop->psor & tpmsk) | psor; - iop->podr = (iop->podr & tpmsk) | podr; - iop->pdat = (iop->pdat & tpmsk) | pdat; - iop->pdir = (iop->pdir & tpmsk) | pdir; - iop->ppar |= ppar; - } - } -} -#endif - -#ifdef CONFIG_SYS_FSL_CPC -static void enable_cpc(void) -{ - int i; - u32 size = 0; - - cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR; - - for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) { - u32 cpccfg0 = in_be32(&cpc->cpccfg0); - size += CPC_CFG0_SZ_K(cpccfg0); - -#ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002 - setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_TAG_ECC_SCRUB_DIS); -#endif -#ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003 - setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_DATA_ECC_SCRUB_DIS); -#endif - - out_be32(&cpc->cpccsr0, CPC_CSR0_CE | CPC_CSR0_PE); - /* Read back to sync write */ - in_be32(&cpc->cpccsr0); - - } - - printf("Corenet Platform Cache: %d KB enabled\n", size); -} - -void invalidate_cpc(void) -{ - int i; - cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR; - - for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) { - /* Flash invalidate the CPC and clear all the locks */ - out_be32(&cpc->cpccsr0, CPC_CSR0_FI | CPC_CSR0_LFC); - while (in_be32(&cpc->cpccsr0) & (CPC_CSR0_FI | CPC_CSR0_LFC)) - ; - } -} -#else -#define enable_cpc() -#define invalidate_cpc() -#endif /* CONFIG_SYS_FSL_CPC */ - -/* - * Breathe some life into the CPU... - * - * Set up the memory map - * initialize a bunch of registers - */ - -#ifdef CONFIG_FSL_CORENET -static void corenet_tb_init(void) -{ - volatile ccsr_rcpm_t *rcpm = - (void *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR); - volatile ccsr_pic_t *pic = - (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR); - u32 whoami = in_be32(&pic->whoami); - - /* Enable the timebase register for this core */ - out_be32(&rcpm->ctbenrl, (1 << whoami)); -} -#endif - -void cpu_init_f (void) -{ - extern void m8560_cpm_reset (void); -#ifdef CONFIG_MPC8548 - ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); - uint svr = get_svr(); - - /* - * CPU2 errata workaround: A core hang possible while executing - * a msync instruction and a snoopable transaction from an I/O - * master tagged to make quick forward progress is present. - * Fixed in silicon rev 2.1. - */ - if ((SVR_MAJ(svr) == 1) || ((SVR_MAJ(svr) == 2 && SVR_MIN(svr) == 0x0))) - out_be32(&ecm->eebpcr, in_be32(&ecm->eebpcr) | (1 << 16)); -#endif - - disable_tlb(14); - disable_tlb(15); - -#ifdef CONFIG_CPM2 - config_8560_ioports((ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR); -#endif - - init_early_memctl_regs(); - -#if defined(CONFIG_CPM2) - m8560_cpm_reset(); -#endif -#ifdef CONFIG_QE - /* Config QE ioports */ - config_qe_ioports(); -#endif -#if defined(CONFIG_FSL_DMA) - dma_init(); -#endif -#ifdef CONFIG_FSL_CORENET - corenet_tb_init(); -#endif - init_used_tlb_cams(); - - /* Invalidate the CPC before DDR gets enabled */ - invalidate_cpc(); -} - -/* Implement a dummy function for those platforms w/o SERDES */ -static void __fsl_serdes__init(void) -{ - return ; -} -__attribute__((weak, alias("__fsl_serdes__init"))) void fsl_serdes_init(void); - -/* - * Initialize L2 as cache. - * - * The newer 8548, etc, parts have twice as much cache, but - * use the same bit-encoding as the older 8555, etc, parts. - * - */ -int cpu_init_r(void) -{ -#ifdef CONFIG_SYS_LBC_LCRR - volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; -#endif - -#if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) - flush_dcache(); - mtspr(L1CSR2, (mfspr(L1CSR2) | L1CSR2_DCWS)); - sync(); -#endif - - puts ("L2: "); - -#if defined(CONFIG_L2_CACHE) - volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR; - volatile uint cache_ctl; - uint svr, ver; - uint l2srbar; - u32 l2siz_field; - - svr = get_svr(); - ver = SVR_SOC_VER(svr); - - asm("msync;isync"); - cache_ctl = l2cache->l2ctl; - -#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR) - if (cache_ctl & MPC85xx_L2CTL_L2E) { - /* Clear L2 SRAM memory-mapped base address */ - out_be32(&l2cache->l2srbar0, 0x0); - out_be32(&l2cache->l2srbar1, 0x0); - - /* set MBECCDIS=0, SBECCDIS=0 */ - clrbits_be32(&l2cache->l2errdis, - (MPC85xx_L2ERRDIS_MBECC | - MPC85xx_L2ERRDIS_SBECC)); - - /* set L2E=0, L2SRAM=0 */ - clrbits_be32(&l2cache->l2ctl, - (MPC85xx_L2CTL_L2E | - MPC85xx_L2CTL_L2SRAM_ENTIRE)); - } -#endif - - l2siz_field = (cache_ctl >> 28) & 0x3; - - switch (l2siz_field) { - case 0x0: - printf(" unknown size (0x%08x)\n", cache_ctl); - return -1; - break; - case 0x1: - if (ver == SVR_8540 || ver == SVR_8560 || - ver == SVR_8541 || ver == SVR_8541_E || - ver == SVR_8555 || ver == SVR_8555_E) { - puts("128 KB "); - /* set L2E=1, L2I=1, & L2BLKSZ=1 (128 Kbyte) */ - cache_ctl = 0xc4000000; - } else { - puts("256 KB "); - cache_ctl = 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */ - } - break; - case 0x2: - if (ver == SVR_8540 || ver == SVR_8560 || - ver == SVR_8541 || ver == SVR_8541_E || - ver == SVR_8555 || ver == SVR_8555_E) { - puts("256 KB "); - /* set L2E=1, L2I=1, & L2BLKSZ=2 (256 Kbyte) */ - cache_ctl = 0xc8000000; - } else { - puts ("512 KB "); - /* set L2E=1, L2I=1, & L2SRAM=0 */ - cache_ctl = 0xc0000000; - } - break; - case 0x3: - puts("1024 KB "); - /* set L2E=1, L2I=1, & L2SRAM=0 */ - cache_ctl = 0xc0000000; - break; - } - - if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) { - puts("already enabled"); - l2srbar = l2cache->l2srbar0; -#if defined(CONFIG_SYS_INIT_L2_ADDR) && defined(CONFIG_SYS_FLASH_BASE) - if (l2cache->l2ctl & MPC85xx_L2CTL_L2SRAM_ENTIRE - && l2srbar >= CONFIG_SYS_FLASH_BASE) { - l2srbar = CONFIG_SYS_INIT_L2_ADDR; - l2cache->l2srbar0 = l2srbar; - printf("moving to 0x%08x", CONFIG_SYS_INIT_L2_ADDR); - } -#endif /* CONFIG_SYS_INIT_L2_ADDR */ - puts("\n"); - } else { - asm("msync;isync"); - l2cache->l2ctl = cache_ctl; /* invalidate & enable */ - asm("msync;isync"); - puts("enabled\n"); - } -#elif defined(CONFIG_BACKSIDE_L2_CACHE) - u32 l2cfg0 = mfspr(SPRN_L2CFG0); - - /* invalidate the L2 cache */ - mtspr(SPRN_L2CSR0, (L2CSR0_L2FI|L2CSR0_L2LFC)); - while (mfspr(SPRN_L2CSR0) & (L2CSR0_L2FI|L2CSR0_L2LFC)) - ; - -#ifdef CONFIG_SYS_CACHE_STASHING - /* set stash id to (coreID) * 2 + 32 + L2 (1) */ - mtspr(SPRN_L2CSR1, (32 + 1)); -#endif - - /* enable the cache */ - mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0); - - if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) { - while (!(mfspr(SPRN_L2CSR0) & L2CSR0_L2E)) - ; - printf("%d KB enabled\n", (l2cfg0 & 0x3fff) * 64); - } -#else - puts("disabled\n"); -#endif - - enable_cpc(); - -#ifdef CONFIG_QE - uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */ - qe_init(qe_base); - qe_reset(); -#endif - - /* needs to be in ram since code uses global static vars */ - fsl_serdes_init(); - -#ifdef CONFIG_SYS_SRIO - srio_init(); -#endif - -#if defined(CONFIG_MP) - setup_mp(); -#endif - -#ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC136 - { - void *p; - p = (void *)CONFIG_SYS_DCSRBAR + 0x20520; - setbits_be32(p, 1 << (31 - 14)); - } -#endif - -#ifdef CONFIG_SYS_LBC_LCRR - /* - * Modify the CLKDIV field of LCRR register to improve the writing - * speed for NOR flash. - */ - clrsetbits_be32(&lbc->lcrr, LCRR_CLKDIV, CONFIG_SYS_LBC_LCRR); - __raw_readl(&lbc->lcrr); - isync(); -#endif - - return 0; -} - -extern void setup_ivors(void); - -void arch_preboot_os(void) -{ - u32 msr; - - /* - * We are changing interrupt offsets and are about to boot the OS so - * we need to make sure we disable all async interrupts. EE is already - * disabled by the time we get called. - */ - msr = mfmsr(); - msr &= ~(MSR_ME|MSR_CE|MSR_DE); - mtmsr(msr); - - setup_ivors(); -} - -#if defined(CONFIG_CMD_SATA) && defined(CONFIG_FSL_SATA) -int sata_initialize(void) -{ - if (is_serdes_configured(SATA1) || is_serdes_configured(SATA2)) - return __sata_initialize(); - - return 1; -} -#endif |