diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/fsl_lbc.c | 84 |
2 files changed, 85 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/Makefile b/arch/powerpc/cpu/mpc8xxx/Makefile index 67bb5cf..ea51222 100644 --- a/arch/powerpc/cpu/mpc8xxx/Makefile +++ b/arch/powerpc/cpu/mpc8xxx/Makefile @@ -16,6 +16,7 @@ COBJS-$(CONFIG_PCI) += pci_cfg.o endif COBJS-$(CONFIG_OF_LIBFDT) += fdt.o +COBJS-$(CONFIG_FSL_LBC) += fsl_lbc.o SRCS := $(START:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) diff --git a/arch/powerpc/cpu/mpc8xxx/fsl_lbc.c b/arch/powerpc/cpu/mpc8xxx/fsl_lbc.c new file mode 100644 index 0000000..e0a15c4 --- /dev/null +++ b/arch/powerpc/cpu/mpc8xxx/fsl_lbc.c @@ -0,0 +1,84 @@ +/* + * Copyright 2010 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 + * Version 2 as published by the Free Software Foundation. + */ + +#include <common.h> +#include <asm/fsl_lbc.h> + +void print_lbc_regs(void) +{ + int i; + + printf("\nLocal Bus Controller Registers\n"); + for (i = 0; i < 8; i++) { + printf("BR%d\t0x%08X\tOR%d\t0x%08X\n", + i, get_lbc_br(i), i, get_lbc_or(i)); + } +} + +void init_early_memctl_regs(void) +{ + uint init_br1 = 1; + +#ifdef CONFIG_MPC85xx + /* if cs1 is already set via debugger, leave cs0/cs1 alone */ + if (get_lbc_br(1) & BR_V) + init_br1 = 0; +#endif + + /* + * Map banks 0 (and maybe 1) to the FLASH banks 0 (and 1) at + * preliminary addresses - these have to be modified later + * when FLASH size has been determined + */ +#if defined(CONFIG_SYS_OR0_REMAP) + set_lbc_or(0, CONFIG_SYS_OR0_REMAP); +#endif +#if defined(CONFIG_SYS_OR1_REMAP) + set_lbc_or(1, CONFIG_SYS_OR1_REMAP); +#endif + /* now restrict to preliminary range */ + if (init_br1) { + set_lbc_br(0, CONFIG_SYS_BR0_PRELIM); + set_lbc_or(0, CONFIG_SYS_OR0_PRELIM); + +#if defined(CONFIG_SYS_BR1_PRELIM) && defined(CONFIG_SYS_OR1_PRELIM) + set_lbc_or(1, CONFIG_SYS_OR1_PRELIM); + set_lbc_br(1, CONFIG_SYS_BR1_PRELIM); +#endif + } + +#if defined(CONFIG_SYS_BR2_PRELIM) && defined(CONFIG_SYS_OR2_PRELIM) + set_lbc_or(2, CONFIG_SYS_OR2_PRELIM); + set_lbc_br(2, CONFIG_SYS_BR2_PRELIM); +#endif + +#if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM) + set_lbc_or(3, CONFIG_SYS_OR3_PRELIM); + set_lbc_br(3, CONFIG_SYS_BR3_PRELIM); +#endif + +#if defined(CONFIG_SYS_BR4_PRELIM) && defined(CONFIG_SYS_OR4_PRELIM) + set_lbc_or(4, CONFIG_SYS_OR4_PRELIM); + set_lbc_br(4, CONFIG_SYS_BR4_PRELIM); +#endif + +#if defined(CONFIG_SYS_BR5_PRELIM) && defined(CONFIG_SYS_OR5_PRELIM) + set_lbc_or(5, CONFIG_SYS_OR5_PRELIM); + set_lbc_br(5, CONFIG_SYS_BR5_PRELIM); +#endif + +#if defined(CONFIG_SYS_BR6_PRELIM) && defined(CONFIG_SYS_OR6_PRELIM) + set_lbc_or(6, CONFIG_SYS_OR6_PRELIM); + set_lbc_br(6, CONFIG_SYS_BR6_PRELIM); +#endif + +#if defined(CONFIG_SYS_BR7_PRELIM) && defined(CONFIG_SYS_OR7_PRELIM) + set_lbc_or(7, CONFIG_SYS_OR7_PRELIM); + set_lbc_br(7, CONFIG_SYS_BR7_PRELIM); +#endif +} |