// SPDX-License-Identifier: GPL-2.0+ /* * 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. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_FSL_CORENET #include #include #include #endif #include #include #include #include #include "mp.h" #ifdef CONFIG_CHAIN_OF_TRUST #include #endif #ifdef CONFIG_FSL_CAAM #include #endif #if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_CORENET) #include #include #endif #ifdef CONFIG_SYS_QE_FMAN_FW_IN_NAND #include #include #endif #ifndef CONFIG_ARCH_QEMU_E500 #include #endif #include "../../../../drivers/ata/fsl_sata.h" #ifdef CONFIG_U_QE #include #endif #include #ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK /* * For deriving usb clock from 100MHz sysclk, reference divisor is set * to a value of 5, which gives an intermediate value 20(100/5). The * multiplication factor integer is set to 24, which when multiplied to * above intermediate value provides clock for usb ip. */ void usb_single_source_clk_configure(struct ccsr_usb_phy *usb_phy) { sys_info_t sysinfo; get_sys_info(&sysinfo); if (sysinfo.diff_sysclk == 1) { clrbits_be32(&usb_phy->pllprg[1], CONFIG_SYS_FSL_USB_PLLPRG2_MFI); setbits_be32(&usb_phy->pllprg[1], CONFIG_SYS_FSL_USB_PLLPRG2_REF_DIV_INTERNAL_CLK | CONFIG_SYS_FSL_USB_PLLPRG2_MFI_INTERNAL_CLK | CONFIG_SYS_FSL_USB_INTERNAL_SOC_CLK_EN); } } #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A006261 void fsl_erratum_a006261_workaround(struct ccsr_usb_phy __iomem *usb_phy) { #ifdef CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE u32 xcvrprg = in_be32(&usb_phy->port1.xcvrprg); /* Increase Disconnect Threshold by 50mV */ xcvrprg &= ~CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_MASK | INC_DCNT_THRESHOLD_50MV; /* Enable programming of USB High speed Disconnect threshold */ xcvrprg |= CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_EN; out_be32(&usb_phy->port1.xcvrprg, xcvrprg); xcvrprg = in_be32(&usb_phy->port2.xcvrprg); /* Increase Disconnect Threshold by 50mV */ xcvrprg &= ~CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_MASK | INC_DCNT_THRESHOLD_50MV; /* Enable programming of USB High speed Disconnect threshold */ xcvrprg |= CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_EN; out_be32(&usb_phy->port2.xcvrprg, xcvrprg); #else u32 temp = 0; u32 status = in_be32(&usb_phy->status1); u32 squelch_prog_rd_0_2 = (status >> CONFIG_SYS_FSL_USB_SQUELCH_PROG_RD_0) & CONFIG_SYS_FSL_USB_SQUELCH_PROG_MASK; u32 squelch_prog_rd_3_5 = (status >> CONFIG_SYS_FSL_USB_SQUELCH_PROG_RD_3) & CONFIG_SYS_FSL_USB_SQUELCH_PROG_MASK; setbits_be32(&usb_phy->config1, CONFIG_SYS_FSL_USB_HS_DISCNCT_INC); setbits_be32(&usb_phy->config2, CONFIG_SYS_FSL_USB_RX_AUTO_CAL_RD_WR_SEL); temp = squelch_prog_rd_0_2 << CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_3; out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp); temp = squelch_prog_rd_3_5 << CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_0; out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp); #endif } #endif #if defined(CONFIG_QE) && !defined(CONFIG_U_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_SYS_FSL_CPC #if defined(CONFIG_RAMBOOT_PBL) || defined(CONFIG_SYS_CPC_REINIT_F) void disable_cpc_sram(void) { int i; cpc_corenet_t *cpc = (cpc_corenet_t *)CFG_SYS_FSL_CPC_ADDR; for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) { if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN) { /* find and disable LAW of SRAM */ struct law_entry law = find_law(CONFIG_SYS_INIT_L3_ADDR); if (law.index == -1) { printf("\nFatal error happened\n"); return; } disable_law(law.index); clrbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_CDQ_SPEC_DIS); out_be32(&cpc->cpccsr0, 0); out_be32(&cpc->cpcsrcr0, 0); } } } #endif #if defined(T1040_TDM_QUIRK_CCSR_BASE) #ifdef CONFIG_POST #error POST memory test cannot be enabled with TDM #endif static void enable_tdm_law(void) { int ret; char buffer[HWCONFIG_BUFFER_SIZE] = {0}; int tdm_hwconfig_enabled = 0; /* * Extract hwconfig from environment since environment * is not setup properly yet. Search for tdm entry in * hwconfig. */ ret = env_get_f("hwconfig", buffer, sizeof(buffer)); if (ret > 0) { tdm_hwconfig_enabled = hwconfig_f("tdm", buffer); /* If tdm is defined in hwconfig, set law for tdm workaround */ if (tdm_hwconfig_enabled) set_next_law(T1040_TDM_QUIRK_CCSR_BASE, LAW_SIZE_16M, LAW_TRGT_IF_CCSR); } } #endif void enable_cpc(void) { int i; int ret; u32 size = 0; u32 cpccfg0; char buffer[HWCONFIG_BUFFER_SIZE]; char cpc_subarg[16]; bool have_hwconfig = false; int cpc_args = 0; cpc_corenet_t *cpc = (cpc_corenet_t *)CFG_SYS_FSL_CPC_ADDR; /* Extract hwconfig from environment */ ret = env_get_f("hwconfig", buffer, sizeof(buffer)); if (ret > 0) { /* * If "en_cpc" is not defined in hwconfig then by default all * cpcs are enable. If this config is defined then individual * cpcs which have to be enabled should also be defined. * e.g en_cpc:cpc1,cpc2; */ if (hwconfig_f("en_cpc", buffer)) have_hwconfig = true; } for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) { if (have_hwconfig) { sprintf(cpc_subarg, "cpc%u", i + 1); cpc_args = hwconfig_sub_f("en_cpc", cpc_subarg, buffer); if (cpc_args == 0) continue; } 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 #ifdef CONFIG_SYS_FSL_ERRATUM_A006593 setbits_be32(&cpc->cpchdbcr0, 1 << (31 - 21)); #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A006379 if (has_erratum_a006379()) { setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_SPLRU_LEVEL_EN); } #endif out_be32(&cpc->cpccsr0, CPC_CSR0_CE | CPC_CSR0_PE); /* Read back to sync write */ in_be32(&cpc->cpccsr0); } puts("Corenet Platform Cache: "); print_size(size * 1024, " enabled\n"); } static void invalidate_cpc(void) { int i; cpc_corenet_t *cpc = (cpc_corenet_t *)CFG_SYS_FSL_CPC_ADDR; for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) { /* skip CPC when it used as all SRAM */ if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN) continue; /* 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() #define disable_cpc_sram() #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 *)(CFG_SYS_FSL_CORENET_RCPM_ADDR); volatile ccsr_pic_t *pic = (void *)(CFG_SYS_MPC8xxx_PIC_ADDR); u32 whoami = in_be32(&pic->whoami); /* Enable the timebase register for this core */ out_be32(&rcpm->ctbenrl, (1 << whoami)); } #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A007212 void fsl_erratum_a007212_workaround(void) { ccsr_gur_t __iomem *gur = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR); u32 ddr_pll_ratio; u32 __iomem *plldgdcr1 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c20); u32 __iomem *plldadcr1 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c28); u32 __iomem *dpdovrcr4 = (void *)(CONFIG_SYS_DCSRBAR + 0x21e80); #if (CONFIG_SYS_NUM_DDR_CTLRS >= 2) u32 __iomem *plldgdcr2 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c40); u32 __iomem *plldadcr2 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c48); #if (CONFIG_SYS_NUM_DDR_CTLRS >= 3) u32 __iomem *plldgdcr3 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c60); u32 __iomem *plldadcr3 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c68); #endif #endif /* * Even this workaround applies to selected version of SoCs, it is * safe to apply to all versions, with the limitation of odd ratios. * If RCW has disabled DDR PLL, we have to apply this workaround, * otherwise DDR will not work. */ ddr_pll_ratio = (in_be32(&gur->rcwsr[0]) >> FSL_CORENET_RCWSR0_MEM_PLL_RAT_SHIFT) & FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK; /* check if RCW sets ratio to 0, required by this workaround */ if (ddr_pll_ratio != 0) return; ddr_pll_ratio = (in_be32(&gur->rcwsr[0]) >> FSL_CORENET_RCWSR0_MEM_PLL_RAT_RESV_SHIFT) & FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK; /* check if reserved bits have the desired ratio */ if (ddr_pll_ratio == 0) { printf("Error: Unknown DDR PLL ratio!\n"); return; } ddr_pll_ratio >>= 1; setbits_be32(plldadcr1, 0x02000001); #if (CONFIG_SYS_NUM_DDR_CTLRS >= 2) setbits_be32(plldadcr2, 0x02000001); #if (CONFIG_SYS_NUM_DDR_CTLRS >= 3) setbits_be32(plldadcr3, 0x02000001); #endif #endif setbits_be32(dpdovrcr4, 0xe0000000); out_be32(plldgdcr1, 0x08000001 | (ddr_pll_ratio << 1)); #if (CONFIG_SYS_NUM_DDR_CTLRS >= 2) out_be32(plldgdcr2, 0x08000001 | (ddr_pll_ratio << 1)); #if (CONFIG_SYS_NUM_DDR_CTLRS >= 3) out_be32(plldgdcr3, 0x08000001 | (ddr_pll_ratio << 1)); #endif #endif udelay(100); clrbits_be32(plldadcr1, 0x02000001); #if (CONFIG_SYS_NUM_DDR_CTLRS >= 2) clrbits_be32(plldadcr2, 0x02000001); #if (CONFIG_SYS_NUM_DDR_CTLRS >= 3) clrbits_be32(plldadcr3, 0x02000001); #endif #endif clrbits_be32(dpdovrcr4, 0xe0000000); } #endif ulong cpu_init_f(void) { extern void m8560_cpm_reset (void); #ifdef CONFIG_SYS_DCSRBAR_PHYS ccsr_gur_t *gur = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR); #endif #if defined(CONFIG_NXP_ESBC) && !defined(CONFIG_SYS_RAMBOOT) struct law_entry law; #endif #ifdef CONFIG_ARCH_MPC8548 ccsr_local_ecm_t *ecm = (void *)(CFG_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); #if defined(CONFIG_NXP_ESBC) && !defined(CONFIG_SYS_RAMBOOT) /* Disable the LAW created for NOR flash by the PBI commands */ law = find_law(CONFIG_SYS_PBI_FLASH_BASE); if (law.index != -1) disable_law(law.index); #if defined(CONFIG_SYS_CPC_REINIT_F) disable_cpc_sram(); #endif #endif init_early_memctl_regs(); #if defined(CONFIG_QE) && !defined(CONFIG_U_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(); #ifdef CONFIG_SYS_DCSRBAR_PHYS /* set DCSRCR so that DCSR space is 1G */ setbits_be32(&gur->dcsrcr, FSL_CORENET_DCSR_SZ_1G); in_be32(&gur->dcsrcr); #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A007212 fsl_erratum_a007212_workaround(); #endif return 0; } /* 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); #if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500) int enable_cluster_l2(void) { int i = 0; u32 cluster, svr = get_svr(); ccsr_gur_t *gur = (void __iomem *)(CFG_SYS_MPC85xx_GUTS_ADDR); struct ccsr_cluster_l2 __iomem *l2cache; /* only the L2 of first cluster should be enabled as expected on T4080, * but there is no EOC in the first cluster as HW sake, so return here * to skip enabling L2 cache of the 2nd cluster. */ if (SVR_SOC_VER(svr) == SVR_T4080) return 0; cluster = in_be32(&gur->tp_cluster[i].lower); if (cluster & TP_CLUSTER_EOC) return 0; /* The first cache has already been set up, so skip it */ i++; /* Look through the remaining clusters, and set up their caches */ do { int j, cluster_valid = 0; l2cache = (void __iomem *)(CFG_SYS_FSL_CLUSTER_1_L2 + i * 0x40000); cluster = in_be32(&gur->tp_cluster[i].lower); /* check that at least one core/accel is enabled in cluster */ for (j = 0; j < 4; j++) { u32 idx = (cluster >> (j*8)) & TP_CLUSTER_INIT_MASK; u32 type = in_be32(&gur->tp_ityp[idx]); if ((type & TP_ITYP_AV) && TP_ITYP_TYPE(type) == TP_ITYP_TYPE_PPC) cluster_valid = 1; } if (cluster_valid) { /* set stash ID to (cluster) * 2 + 32 + 1 */ clrsetbits_be32(&l2cache->l2csr1, 0xff, 32 + i * 2 + 1); printf("enable l2 for cluster %d %p\n", i, l2cache); out_be32(&l2cache->l2csr0, L2CSR0_L2FI|L2CSR0_L2LFC); while ((in_be32(&l2cache->l2csr0) & (L2CSR0_L2FI|L2CSR0_L2LFC)) != 0) ; out_be32(&l2cache->l2csr0, L2CSR0_L2E|L2CSR0_L2PE|L2CSR0_L2REP_MODE); } i++; } while (!(cluster & TP_CLUSTER_EOC)); return 0; } #endif /* * Initialize L2 as cache. */ int l2cache_init(void) { __maybe_unused u32 svr = get_svr(); #ifdef CONFIG_L2_CACHE ccsr_l2cache_t *l2cache = (void __iomem *)CFG_SYS_MPC85xx_L2_ADDR; #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500) struct ccsr_cluster_l2 * l2cache = (void __iomem *)CFG_SYS_FSL_CLUSTER_1_L2; #endif puts ("L2: "); #if defined(CONFIG_L2_CACHE) volatile uint cache_ctl; uint ver; u32 l2siz_field; 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_8555) { puts("128 KiB "); /* set L2E=1, L2I=1, & L2BLKSZ=1 (128 KiBibyte) */ cache_ctl = 0xc4000000; } else { puts("256 KiB "); 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_8555) { puts("256 KiB "); /* set L2E=1, L2I=1, & L2BLKSZ=2 (256 KiBibyte) */ cache_ctl = 0xc8000000; } else { puts("512 KiB "); /* set L2E=1, L2I=1, & L2SRAM=0 */ cache_ctl = 0xc0000000; } break; case 0x3: puts("1024 KiB "); /* set L2E=1, L2I=1, & L2SRAM=0 */ cache_ctl = 0xc0000000; break; } if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) { puts("already enabled"); #if defined(CONFIG_SYS_INIT_L2_ADDR) && defined(CONFIG_SYS_FLASH_BASE) u32 l2srbar = l2cache->l2srbar0; 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) if (SVR_SOC_VER(svr) == SVR_P2040) { puts("N/A\n"); goto skip_l2; } 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)) ; print_size((l2cfg0 & 0x3fff) * 64 * 1024, " enabled\n"); } skip_l2: #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500) if (l2cache->l2csr0 & L2CSR0_L2E) print_size((l2cache->l2cfg0 & 0x3fff) * 64 * 1024, " enabled\n"); enable_cluster_l2(); #else puts("disabled\n"); #endif return 0; } /* * * 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) { __maybe_unused u32 svr = get_svr(); #ifdef CONFIG_SYS_LBC_LCRR fsl_lbc_t *lbc = (void __iomem *)LBC_BASE_ADDR; #endif #if defined(CONFIG_PPC_SPINTABLE_COMPATIBLE) && defined(CONFIG_MP) extern int spin_table_compat; const char *spin; #endif #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571 ccsr_sec_t __iomem *sec = (void *)CFG_SYS_FSL_SEC_ADDR; #endif #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) || \ defined(CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011) /* * CPU22 and NMG_CPU_A011 share the same workaround. * CPU22 applies to P4080 rev 1.0, 2.0, fixed in 3.0 * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0 * also applies to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1, both * fixed in 2.0. NMG_CPU_A011 is activated by default and can * be disabled by hwconfig with syntax: * * fsl_cpu_a011:disable */ extern int enable_cpu_a011_workaround; #ifdef CONFIG_SYS_P4080_ERRATUM_CPU22 enable_cpu_a011_workaround = (SVR_MAJ(svr) < 3); #else char buffer[HWCONFIG_BUFFER_SIZE]; char *buf = NULL; int n, res; n = env_get_f("hwconfig", buffer, sizeof(buffer)); if (n > 0) buf = buffer; res = hwconfig_arg_cmp_f("fsl_cpu_a011", "disable", buf); if (res > 0) { enable_cpu_a011_workaround = 0; } else { if (n >= HWCONFIG_BUFFER_SIZE) { printf("fsl_cpu_a011 was not found. hwconfig variable " "may be too long\n"); } enable_cpu_a011_workaround = (SVR_SOC_VER(svr) == SVR_P4080 && SVR_MAJ(svr) < 3) || (SVR_SOC_VER(svr) != SVR_P4080 && SVR_MAJ(svr) < 2); } #endif if (enable_cpu_a011_workaround) { flush_dcache(); mtspr(L1CSR2, (mfspr(L1CSR2) | L1CSR2_DCWS)); sync(); } #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A007907 flush_dcache(); mtspr(L1CSR2, (mfspr(L1CSR2) & ~L1CSR2_DCSTASHID)); sync(); #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A005812 /* * A-005812 workaround sets bit 32 of SPR 976 for SoCs running * in write shadow mode. Checking DCWS before setting SPR 976. */ if (mfspr(L1CSR2) & L1CSR2_DCWS) mtspr(SPRN_HDBCR0, (mfspr(SPRN_HDBCR0) | 0x80000000)); #endif #if defined(CONFIG_PPC_SPINTABLE_COMPATIBLE) && defined(CONFIG_MP) spin = env_get("spin_table_compat"); if (spin && (*spin == 'n')) spin_table_compat = 0; else spin_table_compat = 1; #endif #ifdef CONFIG_FSL_CORENET set_liodns(); #ifdef CONFIG_SYS_DPAA_QBMAN setup_qbman_portals(); #endif #endif l2cache_init(); #if defined(CONFIG_RAMBOOT_PBL) disable_cpc_sram(); #endif enable_cpc(); #if defined(T1040_TDM_QUIRK_CCSR_BASE) enable_tdm_law(); #endif #ifndef CONFIG_SYS_FSL_NO_SERDES /* needs to be in ram since code uses global static vars */ fsl_serdes_init(); #endif #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571 #define MCFGR_AXIPIPE 0x000000f0 if (IS_SVR_REV(svr, 1, 0)) sec_clrbits32(&sec->mcfgr, MCFGR_AXIPIPE); #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A005871 if (IS_SVR_REV(svr, 1, 0)) { int i; __be32 *p = (void __iomem *)CONFIG_SYS_DCSRBAR + 0xb004c; for (i = 0; i < 12; i++) { p += i + (i > 5 ? 11 : 0); out_be32(p, 0x2); } p = (void __iomem *)CONFIG_SYS_DCSRBAR + 0xb0108; out_be32(p, 0x34); } #endif #ifdef CONFIG_SYS_SRIO srio_init(); #ifdef CONFIG_SRIO_PCIE_BOOT_MASTER char *s = env_get("bootmaster"); if (s) { if (!strcmp(s, "SRIO1")) { srio_boot_master(1); srio_boot_master_release_slave(1); } if (!strcmp(s, "SRIO2")) { srio_boot_master(2); srio_boot_master_release_slave(2); } } #endif #endif #if defined(CONFIG_MP) setup_mp(); #endif #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC13 { if (SVR_MAJ(svr) < 3) { 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(); #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103 udelay(100); #endif #endif #ifdef CONFIG_SYS_FSL_USB1_PHY_ENABLE { struct ccsr_usb_phy __iomem *usb_phy1 = (void *)CFG_SYS_MPC85xx_USB1_PHY_ADDR; #ifdef CONFIG_SYS_FSL_ERRATUM_A006261 if (has_erratum_a006261()) fsl_erratum_a006261_workaround(usb_phy1); #endif out_be32(&usb_phy1->usb_enable_override, CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE); } #endif #ifdef CONFIG_SYS_FSL_USB2_PHY_ENABLE { struct ccsr_usb_phy __iomem *usb_phy2 = (void *)CFG_SYS_MPC85xx_USB2_PHY_ADDR; #ifdef CONFIG_SYS_FSL_ERRATUM_A006261 if (has_erratum_a006261()) fsl_erratum_a006261_workaround(usb_phy2); #endif out_be32(&usb_phy2->usb_enable_override, CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE); } #endif #ifdef CONFIG_SYS_FSL_ERRATUM_USB14 /* On P204x/P304x/P50x0 Rev1.0, USB transmit will result internal * multi-bit ECC errors which has impact on performance, so software * should disable all ECC reporting from USB1 and USB2. */ if (IS_SVR_REV(get_svr(), 1, 0)) { struct dcsr_dcfg_regs *dcfg = (struct dcsr_dcfg_regs *) (CONFIG_SYS_DCSRBAR + CONFIG_SYS_DCSR_DCFG_OFFSET); setbits_be32(&dcfg->ecccr1, (DCSR_DCFG_ECC_DISABLE_USB1 | DCSR_DCFG_ECC_DISABLE_USB2)); } #endif #if defined(CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE) struct ccsr_usb_phy __iomem *usb_phy = (void *)CFG_SYS_MPC85xx_USB1_PHY_ADDR; setbits_be32(&usb_phy->pllprg[1], CONFIG_SYS_FSL_USB_PLLPRG2_PHY2_CLK_EN | CONFIG_SYS_FSL_USB_PLLPRG2_PHY1_CLK_EN | CONFIG_SYS_FSL_USB_PLLPRG2_MFI | CONFIG_SYS_FSL_USB_PLLPRG2_PLL_EN); #ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK usb_single_source_clk_configure(usb_phy); #endif setbits_be32(&usb_phy->port1.ctrl, CONFIG_SYS_FSL_USB_CTRL_PHY_EN); setbits_be32(&usb_phy->port1.drvvbuscfg, CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN); setbits_be32(&usb_phy->port1.pwrfltcfg, CONFIG_SYS_FSL_USB_PWRFLT_CR_EN); setbits_be32(&usb_phy->port2.ctrl, CONFIG_SYS_FSL_USB_CTRL_PHY_EN); setbits_be32(&usb_phy->port2.drvvbuscfg, CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN); setbits_be32(&usb_phy->port2.pwrfltcfg, CONFIG_SYS_FSL_USB_PWRFLT_CR_EN); #ifdef CONFIG_SYS_FSL_ERRATUM_A006261 if (has_erratum_a006261()) fsl_erratum_a006261_workaround(usb_phy); #endif #endif /* CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE */ #ifdef CONFIG_SYS_FSL_ERRATUM_A009942 erratum_a009942_check_cpo(); #endif #ifdef CONFIG_FMAN_ENET #ifndef CONFIG_DM_ETH fman_enet_init(); #endif #endif #if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_CORENET) if (pamu_init() < 0) fsl_secboot_handle_error(ERROR_ESBC_PAMU_INIT); #endif #ifdef CONFIG_FSL_CAAM #if defined(CONFIG_ARCH_C29X) if ((SVR_SOC_VER(svr) == SVR_C292) || (SVR_SOC_VER(svr) == SVR_C293)) sec_init_idx(1); if (SVR_SOC_VER(svr) == SVR_C293) sec_init_idx(2); #endif #endif #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_SYS_FSL_ERRATUM_SATA_A001) /* * For P1022/1013 Rev1.0 silicon, after power on SATA host * controller is configured in legacy mode instead of the * expected enterprise mode. Software needs to clear bit[28] * of HControl register to change to enterprise mode from * legacy mode. We assume that the controller is offline. */ if (IS_SVR_REV(svr, 1, 0) && ((SVR_SOC_VER(svr) == SVR_P1022) || (SVR_SOC_VER(svr) == SVR_P1013))) { fsl_sata_reg_t *reg; /* first SATA controller */ reg = (void *)CFG_SYS_MPC85xx_SATA1_ADDR; clrbits_le32(®->hcontrol, HCONTROL_ENTERPRISE_EN); /* second SATA controller */ reg = (void *)CFG_SYS_MPC85xx_SATA2_ADDR; clrbits_le32(®->hcontrol, HCONTROL_ENTERPRISE_EN); } #endif init_used_tlb_cams(); return 0; } #ifdef CONFIG_ARCH_MISC_INIT int arch_misc_init(void) { if (IS_ENABLED(CONFIG_FSL_CAAM)) { struct udevice *dev; int ret; ret = uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(caam_jr), &dev); if (ret) printf("Failed to initialize caam_jr: %d\n", ret); } return 0; } #endif 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); mtmsr(msr); } int cpu_secondary_init_r(void) { #ifdef CONFIG_QE #ifdef CONFIG_U_QE uint qe_base = CONFIG_SYS_IMMR + 0x00140000; /* QE immr base */ #else uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */ #endif qe_init(qe_base); qe_reset(); #endif return 0; } #ifdef CONFIG_BOARD_LATE_INIT int board_late_init(void) { #ifdef CONFIG_CHAIN_OF_TRUST fsl_setenv_chain_of_trust(); #endif return 0; } #endif