X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=board%2Ffreescale%2Fmpc8555cds%2Fmpc8555cds.c;h=de5f5669e62f2bc42dd66234204fc767844ffd2a;hb=a891601ce51edbafa1a2750c96a618e4fcbca1c2;hp=826056a845e310c4e7a0e7d27811ff26714489f8;hpb=2b40edb10d81da7bba724edbccd7f53777112579;p=karo-tx-uboot.git diff --git a/board/freescale/mpc8555cds/mpc8555cds.c b/board/freescale/mpc8555cds/mpc8555cds.c index 826056a845..de5f5669e6 100644 --- a/board/freescale/mpc8555cds/mpc8555cds.c +++ b/board/freescale/mpc8555cds/mpc8555cds.c @@ -1,23 +1,7 @@ /* - * Copyright 2004 Freescale Semiconductor. + * Copyright 2004, 2011 Freescale Semiconductor. * - * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -25,7 +9,7 @@ #include #include #include -#include +#include #include #include #include @@ -40,7 +24,6 @@ extern void ddr_enable_ecc(unsigned int dram_size); #endif void local_bus_init(void); -void sdram_init(void); /* * I/O Port configuration table @@ -198,7 +181,8 @@ const iop_conf_t iop_conf_tab[4][32] = { int checkboard (void) { - volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + char buf[32]; /* PCI slot in USER bits CSR[6:7] by convention. */ uint pci_slot = get_pci_slot (); @@ -219,17 +203,16 @@ int checkboard (void) MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev), MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev); - printf (" PCI1: %d bit, %s MHz, %s\n", + printf("PCI1: %d bit, %s MHz, %s\n", (pci1_32) ? 32 : 64, - (pci1_speed == 33000000) ? "33" : - (pci1_speed == 66000000) ? "66" : "unknown", + strmhz(buf, pci1_speed), pci1_clk_sel ? "sync" : "async"); if (pci_dual) { - printf (" PCI2: 32 bit, 66 MHz, %s\n", + printf("PCI2: 32 bit, 66 MHz, %s\n", pci2_clk_sel ? "sync" : "async"); } else { - printf (" PCI2: disabled\n"); + printf("PCI2: disabled\n"); } /* @@ -240,58 +223,14 @@ int checkboard (void) return 0; } -phys_size_t -initdram(int board_type) -{ - long dram_size = 0; - - puts("Initializing\n"); - -#if defined(CONFIG_DDR_DLL) - { - /* - * Work around to stabilize DDR DLL MSYNC_IN. - * Errata DDR9 seems to have been fixed. - * This is now the workaround for Errata DDR11: - * Override DLL = 1, Course Adj = 1, Tap Select = 0 - */ - - volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); - - gur->ddrdllcr = 0x81000000; - asm("sync;isync;msync"); - udelay(200); - } -#endif - - dram_size = fsl_ddr_sdram(); - dram_size = setup_ddr_tlbs(dram_size / 0x100000); - dram_size *= 0x100000; - -#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) - /* - * Initialize and enable DDR ECC. - */ - ddr_enable_ecc(dram_size); -#endif - - /* - * SDRAM Initialization - */ - sdram_init(); - - puts(" DDR: "); - return dram_size; -} - /* * Initialize Local Bus */ void local_bus_init(void) { - volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); - volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; uint clkdiv; uint lbc_hz; @@ -302,23 +241,23 @@ local_bus_init(void) * Errata LBC11. * Fix Local Bus clock glitch when DLL is enabled. * - * If localbus freq is < 66Mhz, DLL bypass mode must be used. - * If localbus freq is > 133Mhz, DLL can be safely enabled. + * If localbus freq is < 66MHz, DLL bypass mode must be used. + * If localbus freq is > 133MHz, DLL can be safely enabled. * Between 66 and 133, the DLL is enabled with an override workaround. */ get_sys_info(&sysinfo); - clkdiv = lbc->lcrr & 0x0f; - lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv; + clkdiv = lbc->lcrr & LCRR_CLKDIV; + lbc_hz = sysinfo.freq_systembus / 1000000 / clkdiv; if (lbc_hz < 66) { - lbc->lcrr |= 0x80000000; /* DLL Bypass */ + lbc->lcrr |= LCRR_DBYP; /* DLL Bypass */ } else if (lbc_hz >= 133) { - lbc->lcrr &= (~0x80000000); /* DLL Enabled */ + lbc->lcrr &= (~LCRR_DBYP); /* DLL Enabled */ } else { - lbc->lcrr &= (~0x8000000); /* DLL Enabled */ + lbc->lcrr &= (~LCRR_DBYP); /* DLL Enabled */ udelay(200); /* @@ -334,58 +273,53 @@ local_bus_init(void) /* * Initialize SDRAM memory on the Local Bus. */ -void -sdram_init(void) +void lbc_sdram_init(void) { -#if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM) +#if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM) uint idx; - volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); - uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE; + volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; + uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE; uint cpu_board_rev; uint lsdmr_common; - puts(" SDRAM: "); - - print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n"); + puts("LBC SDRAM: "); + print_size(CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, + "\n "); /* * Setup SDRAM Base and Option Registers */ - lbc->or2 = CFG_OR2_PRELIM; - asm("msync"); - - lbc->br2 = CFG_BR2_PRELIM; - asm("msync"); - - lbc->lbcr = CFG_LBC_LBCR; + set_lbc_or(2, CONFIG_SYS_OR2_PRELIM); + set_lbc_br(2, CONFIG_SYS_BR2_PRELIM); + lbc->lbcr = CONFIG_SYS_LBC_LBCR; asm("msync"); - lbc->lsrt = CFG_LBC_LSRT; - lbc->mrtpr = CFG_LBC_MRTPR; + lbc->lsrt = CONFIG_SYS_LBC_LSRT; + lbc->mrtpr = CONFIG_SYS_LBC_MRTPR; asm("msync"); /* * Determine which address lines to use baed on CPU board rev. */ cpu_board_rev = get_cpu_board_revision(); - lsdmr_common = CFG_LBC_LSDMR_COMMON; + lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON; if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_0) { - lsdmr_common |= CFG_LBC_LSDMR_BSMA1617; + lsdmr_common |= LSDMR_BSMA1617; } else if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_1) { - lsdmr_common |= CFG_LBC_LSDMR_BSMA1516; + lsdmr_common |= LSDMR_BSMA1516; } else { /* * Assume something unable to identify itself is * really old, and likely has lines 16/17 mapped. */ - lsdmr_common |= CFG_LBC_LSDMR_BSMA1617; + lsdmr_common |= LSDMR_BSMA1617; } /* * Issue PRECHARGE ALL command. */ - lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_PCHALL; + lbc->lsdmr = lsdmr_common | LSDMR_OP_PCHALL; asm("sync;msync"); *sdram_addr = 0xff; ppcDcbf((unsigned long) sdram_addr); @@ -395,7 +329,7 @@ sdram_init(void) * Issue 8 AUTO REFRESH commands. */ for (idx = 0; idx < 8; idx++) { - lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_ARFRSH; + lbc->lsdmr = lsdmr_common | LSDMR_OP_ARFRSH; asm("sync;msync"); *sdram_addr = 0xff; ppcDcbf((unsigned long) sdram_addr); @@ -405,7 +339,7 @@ sdram_init(void) /* * Issue 8 MODE-set command. */ - lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_MRW; + lbc->lsdmr = lsdmr_common | LSDMR_OP_MRW; asm("sync;msync"); *sdram_addr = 0xff; ppcDcbf((unsigned long) sdram_addr); @@ -414,7 +348,7 @@ sdram_init(void) /* * Issue NORMAL OP command. */ - lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_NORMAL; + lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL; asm("sync;msync"); *sdram_addr = 0xff; ppcDcbf((unsigned long) sdram_addr);