diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/ddr/util.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/util.c | 67 |
1 files changed, 43 insertions, 24 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/util.c b/arch/powerpc/cpu/mpc8xxx/ddr/util.c index eb6a17a8503..664ad09298f 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/util.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/util.c @@ -1,5 +1,5 @@ /* - * Copyright 2008-2011 Freescale Semiconductor, Inc. + * Copyright 2008-2012 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -79,7 +79,7 @@ unsigned int mclk_to_picos(unsigned int mclk) void __fsl_ddr_set_lawbar(const common_timing_params_t *memctl_common_params, - unsigned int memctl_interleaved, + unsigned int law_memctl, unsigned int ctrl_num) { unsigned long long base = memctl_common_params->base_address; @@ -98,28 +98,13 @@ __fsl_ddr_set_lawbar(const common_timing_params_t *memctl_common_params, if ((base + size) >= CONFIG_MAX_MEM_MAPPED) size = CONFIG_MAX_MEM_MAPPED - base; #endif - - if (ctrl_num == 0) { - /* - * Set up LAW for DDR controller 1 space. - */ - unsigned int lawbar1_target_id = memctl_interleaved - ? LAW_TRGT_IF_DDR_INTRLV : LAW_TRGT_IF_DDR_1; - - if (set_ddr_laws(base, size, lawbar1_target_id) < 0) { - printf("%s: ERROR (ctrl #0, intrlv=%d)\n", __func__, - memctl_interleaved); - return ; - } - } else if (ctrl_num == 1) { - if (set_ddr_laws(base, size, LAW_TRGT_IF_DDR_2) < 0) { - printf("%s: ERROR (ctrl #1)\n", __func__); - return ; - } - } else { - printf("%s: unexpected DDR controller number (%u)\n", __func__, - ctrl_num); + if (set_ddr_laws(base, size, law_memctl) < 0) { + printf("%s: ERROR (ctrl #%d, TRGT ID=%x)\n", __func__, ctrl_num, + law_memctl); + return ; } + debug("setup ddr law base = 0x%llx, size 0x%llx, TRGT_ID 0x%x\n", + base, size, law_memctl); } __attribute__((weak, alias("__fsl_ddr_set_lawbar"))) void @@ -127,6 +112,15 @@ fsl_ddr_set_lawbar(const common_timing_params_t *memctl_common_params, unsigned int memctl_interleaved, unsigned int ctrl_num); +void fsl_ddr_set_intl3r(const unsigned int granule_size) +{ +#ifdef CONFIG_E6500 + u32 *mcintl3r = (void *) (CONFIG_SYS_IMMR + 0x18004); + *mcintl3r = 0x80000000 | (granule_size & 0x1f); + debug("Enable MCINTL3R with granule size 0x%x\n", granule_size); +#endif +} + void board_add_ram_info(int use_default) { #if defined(CONFIG_MPC83xx) @@ -137,6 +131,9 @@ void board_add_ram_info(int use_default) #elif defined(CONFIG_MPC86xx) ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC86xx_DDR_ADDR); #endif +#if defined(CONFIG_E6500) && (CONFIG_NUM_DDR_CONTROLLERS == 3) + u32 *mcintl3r = (void *) (CONFIG_SYS_IMMR + 0x18004); +#endif #if (CONFIG_NUM_DDR_CONTROLLERS > 1) uint32_t cs0_config = in_be32(&ddr->cs0_config); #endif @@ -180,7 +177,29 @@ void board_add_ram_info(int use_default) else puts(", ECC off)"); -#if (CONFIG_NUM_DDR_CONTROLLERS > 1) +#if (CONFIG_NUM_DDR_CONTROLLERS == 3) +#ifdef CONFIG_E6500 + if (*mcintl3r & 0x80000000) { + puts("\n"); + puts(" DDR Controller Interleaving Mode: "); + switch (*mcintl3r & 0x1f) { + case FSL_DDR_3WAY_1KB_INTERLEAVING: + puts("3-way 1KB"); + break; + case FSL_DDR_3WAY_4KB_INTERLEAVING: + puts("3-way 4KB"); + break; + case FSL_DDR_3WAY_8KB_INTERLEAVING: + puts("3-way 8KB"); + break; + default: + puts("3-way UNKNOWN"); + break; + } + } +#endif +#endif +#if (CONFIG_NUM_DDR_CONTROLLERS >= 2) if (cs0_config & 0x20000000) { puts("\n"); puts(" DDR Controller Interleaving Mode: "); |