diff options
Diffstat (limited to 'arch/powerpc/cpu/ppc4xx')
| -rw-r--r-- | arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c | 20 | ||||
| -rw-r--r-- | arch/powerpc/cpu/ppc4xx/4xx_ibm_ddr2_autocalib.c | 12 | ||||
| -rw-r--r-- | arch/powerpc/cpu/ppc4xx/Makefile | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/ppc4xx/start.S | 111 |
4 files changed, 5 insertions, 142 deletions
diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c index fe928db039..f8d03cba2d 100644 --- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c +++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c @@ -49,7 +49,6 @@ "SDRAM_" #mnemonic, SDRAM_##mnemonic, data); \ } while (0) -#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) static void update_rdcc(void) { u32 val; @@ -72,7 +71,6 @@ static void update_rdcc(void) } } } -#endif #if defined(CONFIG_440) /* @@ -101,7 +99,6 @@ void dcbz_area(u32 start_address, u32 num_bytes); #define MULDIV64(m1, m2, d) (u32)(((u64)(m1) * (u64)(m2)) / (u64)(d)) -#if !defined(CONFIG_NAND_SPL) /*-----------------------------------------------------------------------------+ * sdram_memsize *-----------------------------------------------------------------------------*/ @@ -217,7 +214,6 @@ void board_add_ram_info(int use_default) val = (val & SDRAM_MMODE_DCL_MASK) >> 4; printf(", CL%d)", val); } -#endif /* !CONFIG_NAND_SPL */ #if defined(CONFIG_SPD_EEPROM) @@ -2843,16 +2839,6 @@ static void test(void) *---------------------------------------------------------------------------*/ phys_size_t initdram(int board_type) { - /* - * Only run this SDRAM init code once. For NAND booting - * targets like Kilauea, we call initdram() early from the - * 4k NAND booting image (CONFIG_NAND_SPL) from nand_boot(). - * Later on the NAND U-Boot image runs (CONFIG_NAND_U_BOOT) - * which calls initdram() again. This time the controller - * mustn't be reconfigured again since we're already running - * from SDRAM. - */ -#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) unsigned long val; #if defined(CONFIG_440) @@ -2969,12 +2955,10 @@ phys_size_t initdram(int board_type) #endif #if defined(CONFIG_PPC4xx_DDR_AUTOCALIBRATION) -#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) /*------------------------------------------------------------------ | DQS calibration. +-----------------------------------------------------------------*/ DQS_autocalibration(); -#endif /* !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) */ #endif /* CONFIG_PPC4xx_DDR_AUTOCALIBRATION */ /* @@ -3009,13 +2993,10 @@ phys_size_t initdram(int board_type) set_mcsr(get_mcsr()); #endif /* CONFIG_PPC4xx_DDR_AUTOCALIBRATION */ -#endif /* !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) */ - return (CONFIG_SYS_MBYTES_SDRAM << 20); } #endif /* CONFIG_SPD_EEPROM */ -#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) #if defined(CONFIG_440) u32 mfdcr_any(u32 dcr) { @@ -3062,7 +3043,6 @@ void mtdcr_any(u32 dcr, u32 val) } } #endif /* defined(CONFIG_440) */ -#endif /* !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) */ inline void ppc4xx_ibm_ddr2_register_dump(void) { diff --git a/arch/powerpc/cpu/ppc4xx/4xx_ibm_ddr2_autocalib.c b/arch/powerpc/cpu/ppc4xx/4xx_ibm_ddr2_autocalib.c index 82823147fe..67f149deef 100644 --- a/arch/powerpc/cpu/ppc4xx/4xx_ibm_ddr2_autocalib.c +++ b/arch/powerpc/cpu/ppc4xx/4xx_ibm_ddr2_autocalib.c @@ -27,12 +27,6 @@ #include "ecc.h" -/* - * Only compile the DDR auto-calibration code for NOR boot and - * not for NAND boot (NAND SPL and NAND U-Boot - NUB) - */ -#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) - #define MAXBXCF 4 #define SDRAM_RXBAS_SHIFT_1M 20 @@ -1231,9 +1225,3 @@ u32 DQS_autocalibration(void) return 0; } -#else /* defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) */ -u32 DQS_autocalibration(void) -{ - return 0; -} -#endif /* !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) */ diff --git a/arch/powerpc/cpu/ppc4xx/Makefile b/arch/powerpc/cpu/ppc4xx/Makefile index 14b520ff9c..4b792ae2d2 100644 --- a/arch/powerpc/cpu/ppc4xx/Makefile +++ b/arch/powerpc/cpu/ppc4xx/Makefile @@ -14,11 +14,7 @@ obj-y += kgdb.o obj-y += 40x_spd_sdram.o -ifndef CONFIG_NAND_SPL -ifndef CONFIG_NAND_U_BOOT obj-y += 44x_spd_ddr.o -endif -endif obj-$(CONFIG_SDRAM_PPC4xx_IBM_DDR2) += 44x_spd_ddr2.o obj-$(CONFIG_PPC4xx_DDR_AUTOCALIBRATION) += 4xx_ibm_ddr2_autocalib.o obj-y += 4xx_pci.o diff --git a/arch/powerpc/cpu/ppc4xx/start.S b/arch/powerpc/cpu/ppc4xx/start.S index e72c37c75b..11b55d5a56 100644 --- a/arch/powerpc/cpu/ppc4xx/start.S +++ b/arch/powerpc/cpu/ppc4xx/start.S @@ -182,16 +182,13 @@ .extern ext_bus_cntlr_init -#ifdef CONFIG_NAND_U_BOOT - .extern reconfig_tlb0 -#endif /* * Set up GOT: Global Offset Table * * Use r12 to access the GOT */ -#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_SPL_BUILD) +#if !defined(CONFIG_SPL_BUILD) START_GOT GOT_ENTRY(_GOT2_TABLE_) GOT_ENTRY(_FIXUP_TABLE_) @@ -205,22 +202,7 @@ GOT_ENTRY(__bss_end) GOT_ENTRY(__bss_start) END_GOT -#endif /* CONFIG_NAND_SPL */ - -#if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) && \ - !defined(CONFIG_SPL_BUILD) - /* - * NAND U-Boot image is started from offset 0 - */ - .text -#if defined(CONFIG_440) - bl reconfig_tlb0 -#endif - GET_GOT - bl cpu_init_f /* run low-level CPU init code (from Flash) */ - bl board_init_f - /* NOTREACHED - board_init_f() does not return */ -#endif +#endif /* CONFIG_SPL_BUILD */ #if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_BOOT_FROM_XMD) /* @@ -255,9 +237,7 @@ */ #if defined(CONFIG_440) -#if !defined(CONFIG_NAND_SPL) .section .bootpg,"ax" -#endif .globl _start_440 /**************************************************************************/ @@ -511,7 +491,7 @@ tlbnx2: addi r4,r4,1 /* Next TLB */ * r3 - 1st arg to board_init(): IMMP pointer * r4 - 2nd arg to board_init(): boot flag */ -#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_SPL_BUILD) +#if !defined(CONFIG_SPL_BUILD) .text .long 0x27051956 /* U-Boot Magic Number */ .globl version_string @@ -777,9 +757,6 @@ _start: stwu r1,-8(r1) /* Save back chain and move SP */ stw r0,+12(r1) /* Save return addr (underflow vect) */ -#ifdef CONFIG_NAND_SPL - bl nand_boot_common /* will not return */ -#else #ifndef CONFIG_SPL_BUILD GET_GOT #endif @@ -787,7 +764,6 @@ _start: bl cpu_init_f /* run low-level CPU init code (from Flash) */ bl board_init_f /* NOTREACHED - board_init_f() does not return */ -#endif #endif /* CONFIG_440 */ @@ -1050,9 +1026,6 @@ _start: stw r0, +12(r1) /* Save return addr (underflow vect) */ #endif /* CONFIG_SYS_INIT_DCACHE_CS */ -#ifdef CONFIG_NAND_SPL - bl nand_boot_common /* will not return */ -#else GET_GOT /* initialize GOT access */ bl cpu_init_f /* run low-level CPU init code (from Flash) */ @@ -1060,13 +1033,11 @@ _start: bl board_init_f /* run first part of init code (from Flash) */ /* NOTREACHED - board_init_f() does not return */ -#endif /* CONFIG_NAND_SPL */ - #endif /* CONFIG_405GP || CONFIG_405 || CONFIG_405EP */ /*----------------------------------------------------------------------- */ -#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_SPL_BUILD) +#if !defined(CONFIG_SPL_BUILD) /* * This code finishes saving the registers to the exception frame * and jumps to the appropriate handler for the exception. @@ -1632,7 +1603,7 @@ __440_msr_continue: blr function_epilog(dcbz_area) #endif /* CONFIG_440 */ -#endif /* CONFIG_NAND_SPL */ +#endif /* CONFIG_SPL_BUILD */ /*------------------------------------------------------------------------------- */ /* Function: in8 */ @@ -1981,75 +1952,3 @@ pll_wait: blr function_epilog(mftlb1) #endif /* CONFIG_440 */ - -#if defined(CONFIG_NAND_SPL) -/* - * void nand_boot_relocate(dst, src, bytes) - * - * r3 = Destination address to copy code to (in SDRAM) - * r4 = Source address to copy code from - * r5 = size to copy in bytes - */ -nand_boot_relocate: - mr r6,r3 - mr r7,r4 - mflr r8 - - /* - * Copy SPL from icache into SDRAM - */ - subi r3,r3,4 - subi r4,r4,4 - srwi r5,r5,2 - mtctr r5 -..spl_loop: - lwzu r0,4(r4) - stwu r0,4(r3) - bdnz ..spl_loop - - /* - * Calculate "corrected" link register, so that we "continue" - * in execution in destination range - */ - sub r3,r7,r6 /* r3 = src - dst */ - sub r8,r8,r3 /* r8 = link-reg - (src - dst) */ - mtlr r8 - blr - -nand_boot_common: - /* - * First initialize SDRAM. It has to be available *before* calling - * nand_boot(). - */ - lis r3,CONFIG_SYS_SDRAM_BASE@h - ori r3,r3,CONFIG_SYS_SDRAM_BASE@l - bl initdram - - /* - * Now copy the 4k SPL code into SDRAM and continue execution - * from there. - */ - lis r3,CONFIG_SYS_NAND_BOOT_SPL_DST@h - ori r3,r3,CONFIG_SYS_NAND_BOOT_SPL_DST@l - lis r4,CONFIG_SYS_NAND_BOOT_SPL_SRC@h - ori r4,r4,CONFIG_SYS_NAND_BOOT_SPL_SRC@l - lis r5,CONFIG_SYS_NAND_BOOT_SPL_SIZE@h - ori r5,r5,CONFIG_SYS_NAND_BOOT_SPL_SIZE@l - bl nand_boot_relocate - - /* - * We're running from SDRAM now!!! - * - * It is necessary for 4xx systems to relocate from running at - * the original location (0xfffffxxx) to somewhere else (SDRAM - * preferably). This is because CS0 needs to be reconfigured for - * NAND access. And we can't reconfigure this CS when currently - * "running" from it. - */ - - /* - * Finally call nand_boot() to load main NAND U-Boot image from - * NAND and jump to it. - */ - bl nand_boot /* will not return */ -#endif /* CONFIG_NAND_SPL */ |