diff options
Diffstat (limited to 'board/freescale/corenet_ds/corenet_ds.c')
| -rw-r--r-- | board/freescale/corenet_ds/corenet_ds.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/board/freescale/corenet_ds/corenet_ds.c b/board/freescale/corenet_ds/corenet_ds.c new file mode 100644 index 0000000000..3cdefb34ef --- /dev/null +++ b/board/freescale/corenet_ds/corenet_ds.c @@ -0,0 +1,259 @@ +/* + * Copyright 2009-2010 Freescale Semiconductor, Inc. + * + * 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 <command.h> +#include <netdev.h> +#include <asm/mmu.h> +#include <asm/processor.h> +#include <asm/cache.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_law.h> +#include <asm/fsl_ddr_sdram.h> +#include <asm/fsl_serdes.h> +#include <asm/fsl_portals.h> +#include <asm/fsl_liodn.h> + +extern void pci_of_setup(void *blob, bd_t *bd); + +#include "../common/ngpixis.h" + +DECLARE_GLOBAL_DATA_PTR; + +void cpu_mp_lmb_reserve(struct lmb *lmb); + +int checkboard (void) +{ + u8 sw; + struct cpu_type *cpu = gd->cpu; + + printf("Board: %sDS, ", cpu->name); + printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ", + in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver)); + + sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH)); + sw = (sw & PIXIS_LBMAP_MASK) >> PIXIS_LBMAP_SHIFT; + + if (sw < 0x8) + printf("vBank: %d\n", sw); + else if (sw == 0x8) + puts("Promjet\n"); + else if (sw == 0x9) + puts("NAND\n"); + else + printf("invalid setting of SW%u\n", PIXIS_LBMAP_SWITCH); + +#ifdef CONFIG_PHYS_64BIT + puts("36-bit Addressing\n"); +#endif + + /* Display the actual SERDES reference clocks as configured by the + * dip switches on the board. Note that the SWx registers could + * technically be set to force the reference clocks to match the + * values that the SERDES expects (or vice versa). For now, however, + * we just display both values and hope the user notices when they + * don't match. + */ + puts("SERDES Reference Clocks: "); + sw = in_8(&PIXIS_SW(3)); + printf("Bank1=%uMHz ", (sw & 0x40) ? 125 : 100); + printf("Bank2=%sMHz ", (sw & 0x20) ? "156.25" : "125"); + printf("Bank3=%sMHz\n", (sw & 0x10) ? "156.25" : "125"); + + return 0; +} + +int board_early_init_f(void) +{ + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + + /* + * P4080 DS board only uses the DDR1_MCK0/3 and DDR2_MCK0/3 + * disable the DDR1_MCK1/2/4/5 and DDR2_MCK1/2/4/5 to reduce + * the noise introduced by these unterminated and unused clock pairs. + */ + setbits_be32(&gur->ddrclkdr, 0x001B001B); + + 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(); + +#ifdef CONFIG_SRIO1 + if (is_serdes_configured(SRIO1)) { + set_next_law(CONFIG_SYS_RIO1_MEM_PHYS, LAW_SIZE_256M, + LAW_TRGT_IF_RIO_1); + } else { + printf (" SRIO1: disabled\n"); + } +#else + setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_SRIO1); /* disable */ +#endif + +#ifdef CONFIG_SRIO2 + if (is_serdes_configured(SRIO2)) { + set_next_law(CONFIG_SYS_RIO2_MEM_PHYS, LAW_SIZE_256M, + LAW_TRGT_IF_RIO_2); + } else { + printf (" SRIO2: disabled\n"); + } +#else + setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_SRIO2); /* disable */ +#endif + + return 0; +} + +static const char *serdes_clock_to_string(u32 clock) +{ + switch(clock) { + case SRDS_PLLCR0_RFCK_SEL_100: + return "100"; + case SRDS_PLLCR0_RFCK_SEL_125: + return "125"; + case SRDS_PLLCR0_RFCK_SEL_156_25: + return "156.25"; + default: + return "???"; + } +} + +#define NUM_SRDS_BANKS 3 + +int misc_init_r(void) +{ + serdes_corenet_t *srds_regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR; + u32 actual[NUM_SRDS_BANKS]; + unsigned int i; + u8 sw3; + + /* Warn if the expected SERDES reference clocks don't match the + * actual reference clocks. This needs to be done after calling + * p4080_erratum_serdes8(), since that function may modify the clocks. + */ + sw3 = in_8(&PIXIS_SW(3)); + actual[0] = (sw3 & 0x40) ? + SRDS_PLLCR0_RFCK_SEL_125 : SRDS_PLLCR0_RFCK_SEL_100; + actual[1] = (sw3 & 0x20) ? + SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125; + actual[2] = (sw3 & 0x10) ? + SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125; + + for (i = 0; i < NUM_SRDS_BANKS; i++) { + u32 expected = srds_regs->bank[i].pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK; + if (expected != actual[i]) { + printf("Warning: SERDES bank %u expects reference clock" + " %sMHz, but actual is %sMHz\n", i + 1, + serdes_clock_to_string(expected), + serdes_clock_to_string(actual[i])); + } + } + + return 0; +} + +phys_size_t initdram(int board_type) +{ + phys_size_t dram_size; + + puts("Initializing....\n"); + + dram_size = fsl_ddr_sdram(); + + setup_ddr_tlbs(dram_size / 0x100000); + + puts(" DDR: "); + return dram_size; +} + +#ifdef CONFIG_MP +void board_lmb_reserve(struct lmb *lmb) +{ + cpu_mp_lmb_reserve(lmb); +} +#endif + +void ft_srio_setup(void *blob) +{ +#ifdef CONFIG_SRIO1 + if (!is_serdes_configured(SRIO1)) { + fdt_del_node_and_alias(blob, "rio0"); + } +#else + fdt_del_node_and_alias(blob, "rio0"); +#endif +#ifdef CONFIG_SRIO2 + if (!is_serdes_configured(SRIO2)) { + fdt_del_node_and_alias(blob, "rio1"); + } +#else + fdt_del_node_and_alias(blob, "rio1"); +#endif +} + +void ft_board_setup(void *blob, bd_t *bd) +{ + phys_addr_t base; + phys_size_t size; + + ft_cpu_setup(blob, bd); + + ft_srio_setup(blob); + + base = getenv_bootm_low(); + size = getenv_bootm_size(); + + fdt_fixup_memory(blob, (u64)base, (u64)size); + +#ifdef CONFIG_PCI + pci_of_setup(blob, bd); +#endif + + fdt_fixup_liodn(blob); +} + +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} |
