From mboxrd@z Thu Jan 1 00:00:00 1970 From: York Sun Date: Tue, 28 Sep 2010 15:20:32 -0700 Subject: [U-Boot] [Patch v3 2/7] Adding more control to physical address mapping In-Reply-To: <1285712437-6719-1-git-send-email-yorksun@freescale.com> References: <1285712437-6719-1-git-send-email-yorksun@freescale.com> Message-ID: <1285712437-6719-2-git-send-email-yorksun@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de A worker function setup_ddr_tlbs_phys() is introduced to implement more control on physical address mapping. Signed-off-by: York Sun --- arch/powerpc/cpu/mpc85xx/tlb.c | 16 ++++++++++------ 1 files changed, 10 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/cpu/mpc85xx/tlb.c b/arch/powerpc/cpu/mpc85xx/tlb.c index f2833a5..e3a71ae 100644 --- a/arch/powerpc/cpu/mpc85xx/tlb.c +++ b/arch/powerpc/cpu/mpc85xx/tlb.c @@ -245,7 +245,8 @@ void init_addr_map(void) } #endif -unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg) +unsigned int +setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg) { int i; unsigned int tlb_size; @@ -275,21 +276,24 @@ unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg) tlb_size = (camsize - 10) / 2; - set_tlb(1, ram_tlb_address, ram_tlb_address, + set_tlb(1, ram_tlb_address, p_addr, MAS3_SX|MAS3_SW|MAS3_SR, 0, 0, ram_tlb_index, tlb_size, 1); size -= 1ULL << camsize; memsize -= 1ULL << camsize; ram_tlb_address += 1UL << camsize; + p_addr += 1UL << camsize; } if (memsize) print_size(memsize, " left unmapped\n"); - - /* - * Confirm that the requested amount of memory was mapped. - */ return memsize_in_meg; } + +unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg) +{ + return + setup_ddr_tlbs_phys(CONFIG_SYS_DDR_SDRAM_BASE, memsize_in_meg); +} #endif /* !CONFIG_NAND_SPL */ -- 1.7.0.4