diff options
Diffstat (limited to 'roms/u-boot/api/api_platform-powerpc.c')
-rw-r--r-- | roms/u-boot/api/api_platform-powerpc.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/roms/u-boot/api/api_platform-powerpc.c b/roms/u-boot/api/api_platform-powerpc.c new file mode 100644 index 000000000..847a4a301 --- /dev/null +++ b/roms/u-boot/api/api_platform-powerpc.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2007 Semihalf + * + * Written by: Rafal Jaworowski <raj@semihalf.com> + * + * This file contains routines that fetch data from PowerPC-dependent sources + * (bd_info etc.) + */ + +#include <config.h> +#include <linux/types.h> +#include <api_public.h> + +#include <asm/u-boot.h> +#include <asm/global_data.h> + +#include "api_private.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Important notice: handling of individual fields MUST be kept in sync with + * include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes + * need to reflect their current state and layout of structures involved! + */ +int platform_sys_info(struct sys_info *si) +{ + si->clk_bus = gd->bus_clk; + si->clk_cpu = gd->cpu_clk; + +#if defined(CONFIG_MPC8xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx) +#define bi_bar bi_immr_base +#elif defined(CONFIG_MPC83xx) +#define bi_bar bi_immrbar +#endif + +#if defined(bi_bar) + si->bar = gd->bd->bi_bar; +#undef bi_bar +#else + si->bar = 0; +#endif + + platform_set_mr(si, gd->ram_base, gd->ram_size, MR_ATTR_DRAM); + platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH); + platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM); + + return 1; +} |