/* * Copyright (C) 2005 Sandburst Corporation * Travis B. Sawyer * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include "karef.h" #include "karef_version.h" #include #include #include #include #include #include "../common/sb_common.h" #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) || \ defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3) #include #endif void fpga_init (void); KAREF_BOARD_ID_ST board_id_as[] = { {"Undefined"}, /* Not specified */ {"Kamino Reference Design"}, {"Reserved"}, /* Reserved for future use */ {"Reserved"}, /* Reserved for future use */ }; KAREF_BOARD_ID_ST ofem_board_id_as[] = { {"Undefined"}, {"1x10 + 10x2"}, {"Reserved"}, {"Reserved"}, }; /************************************************************************* * board_early_init_f * * Setup chip selects, initialize the Opto-FPGA, initialize * interrupt polarity and triggers. ************************************************************************/ int board_early_init_f (void) { ppc440_gpio_regs_t *gpio_regs; /* Enable GPIO interrupts */ mtsdr(SDR0_PFC0, 0x00103E00); /* Setup access for LEDs, and system topology info */ gpio_regs = (ppc440_gpio_regs_t *)CONFIG_SYS_GPIO_BASE; gpio_regs->open_drain = SBCOMMON_GPIO_SYS_LEDS; gpio_regs->tri_state = SBCOMMON_GPIO_DBGLEDS; /* Turn on all the leds for now */ gpio_regs->out = SBCOMMON_GPIO_LEDS; /*--------------------------------------------------------------------+ | Initialize EBC CONFIG +-------------------------------------------------------------------*/ mtebc(EBC0_CFG, EBC_CFG_LE_UNLOCK | EBC_CFG_PTD_ENABLE | EBC_CFG_RTC_64PERCLK | EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS | EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_DEFAULT | EBC_CFG_PME_DISABLE | EBC_CFG_PR_32); /*--------------------------------------------------------------------+ | 1/2 MB FLASH. Initialize bank 0 with default values. +-------------------------------------------------------------------*/ mtebc(PB0AP, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) | EBC_BXAP_BCE_DISABLE | EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(1)| EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_RE_DISABLED | EBC_BXAP_BEM_WRITEONLY | EBC_BXAP_PEN_DISABLED); mtebc(PB0CR, EBC_BXCR_BAS_ENCODE(CONFIG_SYS_FLASH_BASE) | EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT); /*--------------------------------------------------------------------+ | 8KB NVRAM/RTC. Initialize bank 1 with default values. +-------------------------------------------------------------------*/ mtebc(PB1AP, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(10) | EBC_BXAP_BCE_DISABLE | EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(1)| EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_RE_DISABLED | EBC_BXAP_BEM_WRITEONLY | EBC_BXAP_PEN_DISABLED); mtebc(PB1CR, EBC_BXCR_BAS_ENCODE(0x48000000) | EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT); /*--------------------------------------------------------------------+ | Compact Flash, uses 2 Chip Selects (2 & 6) +-------------------------------------------------------------------*/ mtebc(PB2AP, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) | EBC_BXAP_BCE_DISABLE | EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(0)| EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_RE_DISABLED | EBC_BXAP_BEM_WRITEONLY | EBC_BXAP_PEN_DISABLED); mtebc(PB2CR, EBC_BXCR_BAS_ENCODE(0xF0000000) | EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT); /*--------------------------------------------------------------------+ | KaRef Scan FPGA. Initialize bank 3 with default values. +-------------------------------------------------------------------*/ mtebc(PB5AP, EBC_BXAP_RE_ENABLED | EBC_BXAP_SOR_NONDELAYED | EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(3) | EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_WBF_ENCODE(0) | EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED | EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW); mtebc(PB5CR, EBC_BXCR_BAS_ENCODE(0x48200000) | EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT); /*--------------------------------------------------------------------+ | MAC A & B for Kamino. OFEM FPGA decodes the addresses | Initialize bank 4 with default values. +-------------------------------------------------------------------*/ mtebc(PB4AP, EBC_BXAP_RE_ENABLED | EBC_BXAP_SOR_NONDELAYED | EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(3) | EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_WBF_ENCODE(0) | EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED | EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW); mtebc(PB4CR, EBC_BXCR_BAS_ENCODE(0x48600000) | EBC_BXCR_BS_2MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT); /*--------------------------------------------------------------------+ | OFEM FPGA Initialize bank 5 with default values. +-------------------------------------------------------------------*/ mtebc(PB3AP, EBC_BXAP_RE_ENABLED | EBC_BXAP_SOR_NONDELAYED | EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(3) | EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_WBF_ENCODE(0) | EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED | EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW); mtebc(PB3CR, EBC_BXCR_BAS_ENCODE(0x48400000) | EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT); /*--------------------------------------------------------------------+ | Compact Flash, uses 2 Chip Selects (2 & 6) +-------------------------------------------------------------------*/ mtebc(PB6AP, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) | EBC_BXAP_BCE_DISABLE | EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(0)| EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_RE_DISABLED | EBC_BXAP_BEM_WRITEONLY | EBC_BXAP_PEN_DISABLED); mtebc(PB6CR, EBC_BXCR_BAS_ENCODE(0xF0100000) | EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT); /*--------------------------------------------------------------------+ | BME-32. Initialize bank 7 with default values. +-------------------------------------------------------------------*/ mtebc(PB7AP, EBC_BXAP_RE_ENABLED | EBC_BXAP_SOR_NONDELAYED | EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(3) | EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_WBF_ENCODE(0) | EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED | EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW); mtebc(PB7CR, EBC_BXCR_BAS_ENCODE(0x48500000) | EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT); /*--------------------------------------------------------------------+ * Setup the interrupt controller polarities, triggers, etc. +-------------------------------------------------------------------*/ /* * Because of the interrupt handling rework to handle 440GX interrupts * with the common code, we needed to change names of the UIC registers. * Here the new relationship: * * U-Boot name 440GX name * ----------------------- * UIC0 UICB0 * UIC1 UIC0 * UIC2 UIC1 * UIC3 UIC2 */ mtdcr (UIC1SR, 0xffffffff); /* clear all */ mtdcr (UIC1ER, 0x00000000); /* disable all */ mtdcr (UIC1CR, 0x00000000); /* all non- critical */ mtdcr (UIC1PR, 0xfffffe03); /* polarity */ mtdcr (UIC1TR, 0x01c00000); /* trigger edge vs level */ mtdcr (UIC1VR, 0x00000001); /* int31 highest, base=0x000 */ mtdcr (UIC1SR, 0xffffffff); /* clear all */ mtdcr (UIC2SR, 0xffffffff); /* clear all */ mtdcr (UIC2ER, 0x00000000); /* disable all */ mtdcr (UIC2CR, 0x00000000); /* all non-critical */ mtdcr (UIC2PR, 0xffffc8ff); /* polarity */ mtdcr (UIC2TR, 0x00ff0000); /* trigger edge vs level */ mtdcr (UIC2VR, 0x00000001); /* int31 highest, base=0x000 */ mtdcr (UIC2SR, 0xffffffff); /* clear all */ mtdcr (UIC3SR, 0xffffffff); /* clear all */ mtdcr (UIC3ER, 0x00000000); /* disable all */ mtdcr (UIC3CR, 0x00000000); /* all non-critical */ mtdcr (UIC3PR, 0xffff83ff); /* polarity */ mtdcr (UIC3TR, 0x00ff8c0f); /* trigger edge vs level */ mtdcr (UIC3VR, 0x00000001); /* int31 highest, base=0x000 */ mtdcr (UIC3SR, 0xffffffff); /* clear all */ mtdcr (UIC0SR, 0xfc000000); /* clear all */ mtdcr (UIC0ER, 0x00000000); /* disable all */ mtdcr (UIC0CR, 0x00000000); /* all non-critical */ mtdcr (UIC0PR, 0xfc000000); mtdcr (UIC0TR, 0x00000000); mtdcr (UIC0VR, 0x00000001); fpga_init(); return 0; } /************************************************************************* * checkboard * * Dump pertinent info to the console ************************************************************************/ int checkboard (void) { sys_info_t sysinfo; unsigned char brd_rev, brd_id; unsigned short sernum; unsigned char scan_rev, scan_id, ofem_rev=0, ofem_id=0; unsigned char ofem_brd_rev, ofem_brd_id; KAREF_FPGA_REGS_ST *karef_ps; OFEM_FPGA_REGS_ST *ofem_ps; karef_ps = (KAREF_FPGA_REGS_ST *)CONFIG_SYS_KAREF_FPGA_BASE; ofem_ps = (OFEM_FPGA_REGS_ST *)CONFIG_SYS_OFEM_FPGA_BASE; scan_id = (unsigned char)((karef_ps->revision_ul & SAND_HAL_KA_SC_SCAN_REVISION_IDENTIFICATION_MASK) >> SAND_HAL_KA_SC_SCAN_REVISION_IDENTIFICATION_SHIFT); scan_rev = (unsigned char)((karef_ps->revision_ul & SAND_HAL_KA_SC_SCAN_REVISION_REVISION_MASK) >> SAND_HAL_KA_SC_SCAN_REVISION_REVISION_SHIFT); brd_rev = (unsigned char)((karef_ps->boardinfo_ul & SAND_HAL_KA_SC_SCAN_BRD_INFO_BRD_REV_MASK) >> SAND_HAL_KA_SC_SCAN_BRD_INFO_BRD_REV_SHIFT); brd_id = (unsigned char)((karef_ps->boardinfo_ul & SAND_HAL_KA_SC_SCAN_BRD_INFO_BRD_ID_MASK) >> SAND_HAL_KA_SC_SCAN_BRD_INFO_BRD_ID_SHIFT); ofem_brd_id = (unsigned char)((karef_ps->boardinfo_ul & SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_ID_MASK) >> SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_ID_SHIFT); ofem_brd_rev = (unsigned char)((karef_ps->boardinfo_ul & SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_REV_MASK) >> SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_REV_SHIFT); if (0xF != ofem_brd_id) { ofem_id = (unsigned char)((ofem_ps->revision_ul & SAND_HAL_KA_OF_OFEM_REVISION_IDENTIFICATION_MASK) >> SAND_HAL_KA_OF_OFEM_REVISION_IDENTIFICATION_SHIFT); ofem_rev = (unsigned char)((ofem_ps->revision_ul & SAND_HAL_KA_OF_OFEM_REVISION_REVISION_MASK) >> SAND_HAL_KA_OF_OFEM_REVISION_REVISION_SHIFT); } get_sys_info (&sysinfo); sernum = sbcommon_get_serial_number(); printf ("Board: Sandburst Corporation Kamino Reference Design " "Serial Number: %d\n", sernum); printf ("%s\n", KAREF_U_BOOT_REL_STR); printf ("Built %s %s by %s\n", U_BOOT_DATE, U_BOOT_TIME, BUILDUSER); if (sbcommon_get_master()) { printf("Slot 0 - Master\nSlave board"); if (sbcommon_secondary_present()) printf(" present\n"); else printf(" not detected\n"); } else { printf("Slot 1 - Slave\n\n"); } printf ("ScanFPGA ID:\t0x%02X\tRev: 0x%02X\n", scan_id, scan_rev); printf ("Board Rev:\t0x%02X\tID: 0x%02X\n", brd_rev, brd_id); if(0xF != ofem_brd_id) { printf("OFemFPGA ID:\t0x%02X\tRev: 0x%02X\n", ofem_id, ofem_rev); printf("OFEM Board Rev:\t0x%02X\tID: 0x%02X\n", ofem_brd_id, ofem_brd_rev); } /* Fix the ack in the bme 32 */ udelay(5000); out32(CONFIG_SYS_BME32_BASE + 0x0000000C, 0x00000001); asm("eieio"); return (0); } /************************************************************************* * misc_init_f * * Initialize I2C bus one to gain access to the fans ************************************************************************/ int misc_init_f (void) { /* Turn on fans 3 & 4 */ sbcommon_fans(); return (0); } /************************************************************************* * misc_init_r * * Do nothing. ************************************************************************/ int misc_init_r (void) { unsigned short sernum; char envstr[255]; uchar enetaddr[6]; KAREF_FPGA_REGS_ST *karef_ps; OFEM_FPGA_REGS_ST *ofem_ps; if(NULL != getenv("secondserial")) { puts("secondserial is set, switching to second serial port\n"); setenv("stderr", "serial1"); setenv("stdout", "serial1"); setenv("stdin", "serial1"); } setenv("ubrelver", KAREF_U_BOOT_REL_STR); memset(envstr, 0, 255); sprintf (envstr, "Built %s %s by %s", U_BOOT_DATE, U_BOOT_TIME, BUILDUSER); setenv("bldstr", envstr); saveenv(); if( getenv("autorecover")) { setenv("autorecover", NULL); saveenv(); sernum = sbcommon_get_serial_number(); printf("\nSetting up environment for automatic filesystem recovery\n"); /* * Setup default bootargs */ memset(envstr, 0, 255); sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 " "rw ip=10.100.70.%d:::255.255.0.0:karef%d:eth0:none idebus=33", sernum, sernum); setenv("bootargs", envstr); /* * Setup Default boot command */ setenv("bootcmd", "fatload ide 0 8000000 uimage.karef;" "fatload ide 0 8100000 pramdisk;" "bootm 8000000 8100000"); printf("Done. Please type allow the system to continue to boot\n"); } if( getenv("fakeled")) { karef_ps = (KAREF_FPGA_REGS_ST *)CONFIG_SYS_KAREF_FPGA_BASE; ofem_ps = (OFEM_FPGA_REGS_ST *)CONFIG_SYS_OFEM_FPGA_BASE; ofem_ps->control_ul &= ~SAND_HAL_KA_SC_SCAN_CNTL_FAULT_LED_MASK; karef_ps->control_ul &= ~SAND_HAL_KA_OF_OFEM_CNTL_FAULT_LED_MASK; setenv("bootdelay", "-1"); saveenv(); printf("fakeled is set. use 'setenv fakeled ; setenv bootdelay 5 ; saveenv' to recover\n"); } #ifdef CONFIG_HAS_ETH0 if (!eth_getenv_enetaddr("ethaddr", enetaddr)) { board_get_enetaddr(0, enetaddr); eth_setenv_enetaddr("ethaddr", enetaddr); } #endif #ifdef CONFIG_HAS_ETH1 if (!eth_getenv_enetaddr("eth1addr", enetaddr)) { board_get_enetaddr(1, enetaddr); eth_setenv_enetaddr("eth1addr", enetaddr); } #endif #ifdef CONFIG_HAS_ETH2 if (!eth_getenv_enetaddr("eth2addr", enetaddr)) { board_get_enetaddr(2, enetaddr); eth_setenv_enetaddr("eth2addr", enetaddr); } #endif #ifdef CONFIG_HAS_ETH3 if (!eth_getenv_enetaddr("eth3addr", enetaddr)) { board_get_enetaddr(3, enetaddr); eth_setenv_enetaddr("eth3addr", enetaddr); } #endif return (0); } /************************************************************************* * ide_set_reset ************************************************************************/ #ifdef CONFIG_IDE_RESET void ide_set_reset(int on) { KAREF_FPGA_REGS_ST *karef_ps; /* TODO: ide reset */ karef_ps = (KAREF_FPGA_REGS_ST *)CONFIG_SYS_KAREF_FPGA_BASE; if (on) { karef_ps->reset_ul &= ~SAND_HAL_KA_SC_SCAN_RESET_CF_RESET_N_MASK; } else { karef_ps->reset_ul |= SAND_HAL_KA_SC_SCAN_RESET_CF_RESET_N_MASK; } } #endif /* CONFIG_IDE_RESET */ /************************************************************************* * fpga_init ************************************************************************/ void fpga_init(void) { KAREF_FPGA_REGS_ST *karef_ps; OFEM_FPGA_REGS_ST *ofem_ps; unsigned char ofem_id; unsigned long tmp; /* Ensure we have power all around */ udelay(500); karef_ps = (KAREF_FPGA_REGS_ST *)CONFIG_SYS_KAREF_FPGA_BASE; tmp = SAND_HAL_KA_SC_SCAN_RESET_CF_RESET_N_MASK | SAND_HAL_KA_SC_SCAN_RESET_BME_RESET_N_MASK | SAND_HAL_KA_SC_SCAN_RESET_KA_RESET_N_MASK | SAND_HAL_KA_SC_SCAN_RESET_SLAVE_RESET_N_MASK | SAND_HAL_KA_SC_SCAN_RESET_OFEM_RESET_N_MASK | SAND_HAL_KA_SC_SCAN_RESET_IFE_A_RESET_N_MASK | SAND_HAL_KA_SC_SCAN_RESET_I2C_MUX1_RESET_N_MASK | SAND_HAL_KA_SC_SCAN_RESET_PHY0_RESET_N_MASK | SAND_HAL_KA_SC_SCAN_RESET_PHY1_RESET_N_MASK; karef_ps->reset_ul = tmp; /* * Wait a bit to allow the ofem fpga to get its brains */ udelay(5000); /* * Check to see if the ofem is there */ ofem_id = (unsigned char)((karef_ps->boardinfo_ul & SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_ID_MASK) >> SAND_HAL_KA_SC_SCAN_BRD_INFO_FEM_ID_SHIFT); if(0xF != ofem_id) { tmp = SAND_HAL_KA_OF_OFEM_RESET_I2C_MUX0_RESET_N_MASK | SAND_HAL_KA_OF_OFEM_RESET_LOCH0_RESET_N_MASK | SAND_HAL_KA_OF_OFEM_RESET_MAC0_RESET_N_MASK; ofem_ps = (OFEM_FPGA_REGS_ST *)CONFIG_SYS_OFEM_FPGA_BASE; ofem_ps->reset_ul = tmp; ofem_ps->control_ul |= 1 < SAND_HAL_KA_OF_OFEM_CNTL_FAULT_LED_SHIFT; } karef_ps->control_ul |= 1 << SAND_HAL_KA_SC_SCAN_CNTL_FAULT_LED_SHIFT; asm("eieio"); return; } int karefSetupVars(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { unsigned short sernum; char envstr[255]; sernum = sbcommon_get_serial_number(); memset(envstr, 0, 255); /* * Setup our ip address */ sprintf(envstr, "10.100.70.%d", sernum); setenv("ipaddr", envstr); /* * Setup the host ip address */ setenv("serverip", "10.100.17.10"); /* * Setup default bootargs */ memset(envstr, 0, 255); sprintf(envstr, "console=ttyS0,9600 root=/dev/nfs " "rw nfsroot=10.100.17.10:/home/metrobox/mbc70.%d " "nfsaddrs=10.100.70.%d:10.100.17.10:10.100.1.1:" "255.255.0.0:karef%d.sandburst.com:eth0:none idebus=33", sernum, sernum, sernum); setenv("bootargs_nfs", envstr); setenv("bootargs", envstr); /* * Setup CF bootargs */ memset(envstr, 0, 255); sprintf(envstr, "console=ttyS0,9600 root=/dev/hda2 " "rw ip=10.100.70.%d:::255.255.0.0:karef%d:eth0:none idebus=33", sernum, sernum); setenv("bootargs_cf", envstr); /* * Setup Default boot command */ setenv("bootcmd_tftp", "tftp 8000000 uImage.karef;bootm 8000000"); setenv("bootcmd", "tftp 8000000 uImage.karef;bootm 8000000"); /* * Setup compact flash boot command */ setenv("bootcmd_cf", "fatload ide 0 8000000 uimage.karef;bootm 8000000"); saveenv(); return(1); } int karefRecover(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { unsigned short sernum; char envstr[255]; sernum = sbcommon_get_serial_number(); printf("\nSetting up environment for filesystem recovery\n"); /* * Setup default bootargs */ memset(envstr, 0, 255); sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 " "rw ip=10.100.70.%d:::255.255.0.0:karef%d:eth0:none", sernum, sernum); setenv("bootargs", envstr); /* * Setup Default boot command */ setenv("bootcmd", "fatload ide 0 8000000 uimage.karef;" "fatload ide 0 8100000 pramdisk;" "bootm 8000000 8100000"); printf("Done. Please type boot.\nWhen the kernel has booted" " please type fsrecover.sh\n"); return(1); } U_BOOT_CMD(kasetup, 1, 1, karefSetupVars, "Set environment to factory defaults", ""); U_BOOT_CMD(karecover, 1, 1, karefRecover, "Set environment to allow for fs recovery", "");