From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-lj1-x244.google.com ([2a00:1450:4864:20::244]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1heBtM-0004x7-S2 for barebox@lists.infradead.org; Fri, 21 Jun 2019 05:15:18 +0000 Received: by mail-lj1-x244.google.com with SMTP id 131so4810536ljf.4 for ; Thu, 20 Jun 2019 22:15:15 -0700 (PDT) From: Antony Pavlov Date: Fri, 21 Jun 2019 08:15:07 +0300 Message-Id: <20190621051507.11700-1-antonynpavlov@gmail.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] MIPS: reloc: make flush_cache_all() usable To: barebox@lists.infradead.org Cc: Oleksij Rempel flush_cache_all() uses 'struct cpuinfo_mips current_cpu_data' data fields. These data fields are initialized in r4k_cache_init(). However in the current implementation the r4k_cache_init() function is called __AFTER__ relocate_code(). Signed-off-by: Antony Pavlov --- arch/mips/lib/reloc.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/mips/lib/reloc.c b/arch/mips/lib/reloc.c index 14ba6167dd..6f1cd6d82f 100644 --- a/arch/mips/lib/reloc.c +++ b/arch/mips/lib/reloc.c @@ -37,6 +37,7 @@ #include #include #include +#include #include #include @@ -157,6 +158,17 @@ void relocate_code(void *fdt, u32 fdt_size, u32 ram_size) apply_reloc(type, (void *)addr, off); } + /* clear the BSS first */ + memset(__bss_start, 0x00, bss_len); + + cpu_probe(); + + if (cpu_has_4k_cache) { + extern void r4k_cache_init(void); + + r4k_cache_init(); + } + /* Ensure the icache is coherent */ flush_cache_all(); -- 2.20.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox