int board_early_init_r(void) { /* Initialize PCA9557 devices */ pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0); pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0); pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0); pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0); /* * Remap NOR flash region to caching-inhibited * so that flash can be erased/programmed properly. */ /* Flush d-cache and invalidate i-cache of any FLASH data */ flush_dcache(); invalidate_icache(); /* Invalidate existing TLB entry for NOR flash */ disable_tlb(0); set_tlb(1, (CONFIG_SYS_FLASH_BASE2 & 0xf0000000), (CONFIG_SYS_FLASH_BASE2 & 0xf0000000), MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 0, BOOKE_PAGESZ_256M, 1); flash_cs_fixup(); return 0; }
int board_early_init_r(void) { const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; const u8 flash_esel = find_tlb_idx((void *)flashbase, 1); /* * Remap Boot flash + PROMJET region to caching-inhibited * so that flash can be erased properly. */ /* Flush d-cache and invalidate i-cache of any FLASH data */ flush_dcache(); invalidate_icache(); /* invalidate existing TLB entry for flash + promjet */ disable_tlb(flash_esel); set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */ 0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */ set_liodns(); setup_portals(); return 0; }
/* invalid the TLBs for DDR and setup new ones to cover p_addr */ static int reset_tlb(phys_addr_t p_addr, u32 size, phys_addr_t *phys_offset) { u32 vstart = CONFIG_SYS_DDR_SDRAM_BASE; unsigned long epn; u32 tsize, valid, ptr; phys_addr_t rpn = 0; int ddr_esel; ptr = vstart; while (ptr < (vstart + size)) { ddr_esel = find_tlb_idx((void *)ptr, 1); if (ddr_esel != -1) { read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn); disable_tlb(ddr_esel); } ptr += TSIZE_TO_BYTES(tsize); } /* Setup new tlb to cover the physical address */ setup_ddr_tlbs_phys(p_addr, size>>20); ptr = vstart; ddr_esel = find_tlb_idx((void *)ptr, 1); if (ddr_esel != -1) { read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, phys_offset); } else { printf("TLB error in function %s\n", __func__); return -1; } return 0; }
int board_early_init_r(void) { #ifndef CONFIG_SDCARD const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; const u8 flash_esel = find_tlb_idx((void *)flashbase, 1); /* * Remap Boot flash region to caching-inhibited * so that flash can be erased properly. */ /* Flush d-cache and invalidate i-cache of any FLASH data */ flush_dcache(); invalidate_icache(); /* invalidate existing TLB entry for flash */ disable_tlb(flash_esel); set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, flash_esel, BOOKE_PAGESZ_16M, 1); set_tlb(1, flashbase + 0x1000000, CONFIG_SYS_FLASH_BASE_PHYS + 0x1000000, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, flash_esel+1, BOOKE_PAGESZ_16M, 1); #endif return 0; }
/* invalid TLBs for DDR and remap as normal after testing */ int arch_memory_test_cleanup(u32 *vstart, u32 *size, phys_addr_t *phys_offset) { unsigned long epn; u32 tsize, valid, ptr; phys_addr_t rpn = 0; int ddr_esel; /* disable the TLBs for this testing */ ptr = *vstart; while (ptr < (*vstart) + (*size)) { ddr_esel = find_tlb_idx((void *)ptr, 1); if (ddr_esel != -1) { read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn); disable_tlb(ddr_esel); } ptr += TSIZE_TO_BYTES(tsize); } puts("Remap DDR "); setup_ddr_tlbs(gd->ram_size>>20); puts("\n"); return 0; }
void init_tlbs(void) { phys_size_t ram_size; /* * Create a temporary AS=1 map for the fdt * * We use ESEL=0 here to overwrite the previous AS=0 map for ourselves * which was only 4k big. This way we don't have to clear any other maps. */ map_fdt_as(0); /* Fetch RAM size from the fdt */ ram_size = get_linear_ram_size(); /* And remove our fdt map again */ disable_tlb(0); /* Create an internal map of manually created TLB maps */ init_used_tlb_cams(); /* Create a dynamic AS=0 CCSRBAR mapping */ assert(!tlb_map_range(CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS, 1024 * 1024, TLB_MAP_IO)); /* Create a RAM map that spans all accessible RAM */ setup_ddr_tlbs(ram_size >> 20); /* Create a map for the TLB */ assert(!tlb_map_range((ulong)get_fdt_virt(), get_fdt_phys(), 1024 * 1024, TLB_MAP_RAM)); }
int board_early_init_r(void) { const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; const u8 flash_esel = find_tlb_idx((void *)flashbase, 1); /* * Remap Boot flash + PROMJET region to caching-inhibited * so that flash can be erased properly. */ /* Flush d-cache and invalidate i-cache of any FLASH data */ flush_dcache(); invalidate_icache(); /* invalidate existing TLB entry for flash + promjet */ disable_tlb(flash_esel); set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, flash_esel, BOOKE_PAGESZ_256M, 1); set_liodns(); #ifdef CONFIG_SYS_DPAA_QBMAN setup_portals(); #endif /* Disable remote I2C connection to qixis fpga */ QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE); brd_mux_lane_to_slot(); select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); return 0; }
int board_early_init_r(void) { const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; const u8 flash_esel = find_tlb_idx((void *)flashbase, 1); /* * Remap Boot flash + PROMJET region to caching-inhibited * so that flash can be erased properly. */ /* Flush d-cache and invalidate i-cache of any FLASH data */ flush_dcache(); invalidate_icache(); /* invalidate existing TLB entry for flash */ disable_tlb(flash_esel); set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, flash_esel, BOOKE_PAGESZ_256M, 1); set_liodns(); #ifdef CONFIG_SYS_DPAA_QBMAN setup_portals(); #endif return 0; }
int board_early_init_r(void) { const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; int flash_esel = find_tlb_idx((void *)flashbase, 1); /* * Remap Boot flash + PROMJET region to caching-inhibited * so that flash can be erased properly. */ /* Flush d-cache and invalidate i-cache of any FLASH data */ flush_dcache(); invalidate_icache(); if (flash_esel == -1) { /* very unlikely unless something is messed up */ puts("Error: Could not find TLB for FLASH BASE\n"); flash_esel = 2; /* give our best effort to continue */ } else { /* invalidate existing TLB entry for flash + promjet */ disable_tlb(flash_esel); } set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */ 0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */ return 0; }
int board_early_init_r(void) { const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; int flash_esel = find_tlb_idx((void *)flashbase, 1); volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); unsigned int orig_bus = i2c_get_bus_num(); u8 i2c_data; i2c_set_bus_num(1); if (i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 0, 1, &i2c_data, sizeof(i2c_data)) == 0) { if (i2c_data & 0x2) puts("NOR Flash Bank : Secondary\n"); else puts("NOR Flash Bank : Primary\n"); if (i2c_data & 0x1) { setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA); puts("SD/MMC : 8-bit Mode\n"); puts("eSPI : Disabled\n"); } else { puts("SD/MMC : 4-bit Mode\n"); puts("eSPI : Enabled\n"); } } else { puts("Failed reading I2C Chip 0x18 on bus 1\n"); } i2c_set_bus_num(orig_bus); /* * Remap Boot flash region to caching-inhibited * so that flash can be erased properly. */ /* Flush d-cache and invalidate i-cache of any FLASH data */ flush_dcache(); invalidate_icache(); if (flash_esel == -1) { /* very unlikely unless something is messed up */ puts("Error: Could not find TLB for FLASH BASE\n"); flash_esel = 2; /* give our best effort to continue */ } else { /* invalidate existing TLB entry for flash */ disable_tlb(flash_esel); } set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, flash_esel, BOOKE_PAGESZ_16M, 1); rtc_reset(); return 0; }
uint64_t get_phys_ccsrbar_addr_early(void) { void *fdt = get_fdt_virt(); uint64_t r; /* * To be able to read the FDT we need to create a temporary TLB * map for it. */ map_fdt_as(10); r = fdt_get_base_address(fdt, fdt_path_offset(fdt, "/soc")); disable_tlb(10); return r; }
int board_early_init_r(void) { const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; int flash_esel = find_tlb_idx((void *)flashbase, 1); /* * Remap Boot flash + PROMJET region to caching-inhibited * so that flash can be erased properly. */ /* Flush d-cache and invalidate i-cache of any FLASH data */ flush_dcache(); invalidate_icache(); if (flash_esel == -1) { /* very unlikely unless something is messed up */ puts("Error: Could not find TLB for FLASH BASE\n"); flash_esel = 2; /* give our best effort to continue */ } else { /* invalidate existing TLB entry for flash + promjet */ disable_tlb(flash_esel); } set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, flash_esel, BOOKE_PAGESZ_256M, 1); /* Disable remote I2C connection to qixis fpga */ QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE); /* * Adjust core voltage according to voltage ID * This function changes I2C mux to channel 2. */ if (adjust_vdd(0)) printf("Warning: Adjusting core voltage failed.\n"); brd_mux_lane_to_slot(); select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); return 0; }
int board_early_init_r(void) { const unsigned int flashbase = CONFIG_SYS_NAND_BASE; const u8 flash_esel = 0; /* * Remap Boot flash to caching-inhibited * so that flash can be erased properly. */ /* Flush d-cache and invalidate i-cache of any FLASH data */ flush_dcache(); invalidate_icache(); /* invalidate existing TLB entry for flash */ disable_tlb(flash_esel); set_tlb(1, flashbase, CONFIG_SYS_NAND_BASE, /* tlb, epn, rpn */ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */ 0, flash_esel, /* ts, esel */ BOOKE_PAGESZ_64M, 1); /* tsize, iprot */ return 0; }
/* We run cpu_init_early_f in AS = 1 */ void cpu_init_early_f(void) { u32 mas0, mas1, mas2, mas3, mas7; int i; #ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); #endif #if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) && !defined(CONFIG_SYS_RAMBOOT) ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR; u32 *l2srbar, *dst, *src; void (*setup_ifc_sram)(void); #endif /* 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 * we don't use memset so we can share this code with NAND_SPL */ for (i = 0; i < sizeof(gd_t); i++) ((char *)gd)[i] = 0; mas0 = MAS0_TLBSEL(1) | MAS0_ESEL(13); mas1 = MAS1_VALID | MAS1_TID(0) | MAS1_TS | MAS1_TSIZE(BOOKE_PAGESZ_1M); mas2 = FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR, MAS2_I|MAS2_G); mas3 = FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_PHYS, 0, MAS3_SW|MAS3_SR); mas7 = FSL_BOOKE_MAS7(CONFIG_SYS_CCSRBAR_PHYS); write_tlb(mas0, mas1, mas2, mas3, mas7); /* * Work Around for IFC Erratum A-003549. This issue is P1010 * specific. LCLK(a free running clk signal) is muxed with IFC_CS3 on P1010 SOC * Hence specifically selecting CS3. */ #ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549 setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_LCLK_IFC_CS3); #endif init_laws(); /* * Work Around for IFC Erratum A003399, issue will hit only when execution * from NOR Flash */ #if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) && !defined(CONFIG_SYS_RAMBOOT) #define SRAM_BASE_ADDR (0x00000000) /* TLB for SRAM */ mas0 = MAS0_TLBSEL(1) | MAS0_ESEL(9); mas1 = MAS1_VALID | MAS1_TID(0) | MAS1_TS | MAS1_TSIZE(BOOKE_PAGESZ_1M); mas2 = FSL_BOOKE_MAS2(SRAM_BASE_ADDR, MAS2_I); mas3 = FSL_BOOKE_MAS3(SRAM_BASE_ADDR, 0, MAS3_SX|MAS3_SW|MAS3_SR); mas7 = FSL_BOOKE_MAS7(0); write_tlb(mas0, mas1, mas2, mas3, mas7); out_be32(&l2cache->l2srbar0, SRAM_BASE_ADDR); out_be32(&l2cache->l2errdis, (MPC85xx_L2ERRDIS_MBECC | MPC85xx_L2ERRDIS_SBECC)); out_be32(&l2cache->l2ctl, (MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2SRAM_ENTIRE)); /* * Copy the code in setup_ifc to L2SRAM. Do a word copy * because NOR Flash on P1010 does not support byte * access (Erratum IFC-A002769) */ setup_ifc_sram = (void *)SRAM_BASE_ADDR; dst = (u32 *) SRAM_BASE_ADDR; src = (u32 *) setup_ifc; for (i = 0; i < 1024; i++) *l2srbar++ = *src++; setup_ifc_sram(); /* CLEANUP */ clrbits_be32(&l2cache->l2ctl, (MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2SRAM_ENTIRE)); out_be32(&l2cache->l2srbar0, 0x0); #endif invalidate_tlb(1); #if defined(CONFIG_SECURE_BOOT) /* Disable the TLBs created by ISBC */ for (i = CONFIG_SYS_ISBC_START_TLB; i < CONFIG_SYS_ISBC_START_TLB + CONFIG_SYS_ISBC_NUM_TLBS; i++) disable_tlb(i); #endif init_tlbs(); }
/* We run cpu_init_early_f in AS = 1 */ void cpu_init_early_f(void *fdt) { u32 mas0, mas1, mas2, mas3, mas7; int i; #ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); #endif #ifdef CONFIG_A003399_NOR_WORKAROUND ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR; u32 *dst, *src; void (*setup_ifc_sram)(void); #endif /* 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 * we don't use memset so we can share this code with NAND_SPL */ for (i = 0; i < sizeof(gd_t); i++) ((char *)gd)[i] = 0; #ifdef CONFIG_QEMU_E500 /* * CONFIG_SYS_CCSRBAR_PHYS below may use gd->fdt_blob on ePAPR systems, * so we need to populate it before it accesses it. */ gd->fdt_blob = fdt; #endif mas0 = MAS0_TLBSEL(1) | MAS0_ESEL(13); mas1 = MAS1_VALID | MAS1_TID(0) | MAS1_TS | MAS1_TSIZE(BOOKE_PAGESZ_1M); mas2 = FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR, MAS2_I|MAS2_G); mas3 = FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_PHYS, 0, MAS3_SW|MAS3_SR); mas7 = FSL_BOOKE_MAS7(CONFIG_SYS_CCSRBAR_PHYS); write_tlb(mas0, mas1, mas2, mas3, mas7); /* * Work Around for IFC Erratum A-003549. This issue is P1010 * specific. LCLK(a free running clk signal) is muxed with IFC_CS3 on P1010 SOC * Hence specifically selecting CS3. */ #ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549 setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_LCLK_IFC_CS3); #endif init_laws(); /* * Work Around for IFC Erratum A003399, issue will hit only when execution * from NOR Flash */ #ifdef CONFIG_A003399_NOR_WORKAROUND #define SRAM_BASE_ADDR (0x00000000) /* TLB for SRAM */ mas0 = MAS0_TLBSEL(1) | MAS0_ESEL(9); mas1 = MAS1_VALID | MAS1_TID(0) | MAS1_TS | MAS1_TSIZE(BOOKE_PAGESZ_1M); mas2 = FSL_BOOKE_MAS2(SRAM_BASE_ADDR, MAS2_I); mas3 = FSL_BOOKE_MAS3(SRAM_BASE_ADDR, 0, MAS3_SX|MAS3_SW|MAS3_SR); mas7 = FSL_BOOKE_MAS7(0); write_tlb(mas0, mas1, mas2, mas3, mas7); out_be32(&l2cache->l2srbar0, SRAM_BASE_ADDR); out_be32(&l2cache->l2errdis, (MPC85xx_L2ERRDIS_MBECC | MPC85xx_L2ERRDIS_SBECC)); out_be32(&l2cache->l2ctl, (MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2SRAM_ENTIRE)); /* * Copy the code in setup_ifc to L2SRAM. Do a word copy * because NOR Flash on P1010 does not support byte * access (Erratum IFC-A002769) */ setup_ifc_sram = (void *)SRAM_BASE_ADDR; dst = (u32 *) SRAM_BASE_ADDR; src = (u32 *) setup_ifc; for (i = 0; i < 1024; i++) { /* cppcheck-suppress nullPointer */ *dst++ = *src++; } /* cppcheck-suppress nullPointer */ setup_ifc_sram(); /* CLEANUP */ clrbits_be32(&l2cache->l2ctl, (MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2SRAM_ENTIRE)); out_be32(&l2cache->l2srbar0, 0x0); #endif invalidate_tlb(1); #if defined(CONFIG_SYS_PPC_E500_DEBUG_TLB) && \ !(defined(CONFIG_SPL_INIT_MINIMAL) && defined(CONFIG_SPL_BUILD)) && \ !defined(CONFIG_NAND_SPL) disable_tlb(CONFIG_SYS_PPC_E500_DEBUG_TLB); #endif init_tlbs(); }