From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ns.lynxeye.de ([87.118.118.114] helo=lynxeye.de) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WzhQ0-0000DH-KD for barebox@lists.infradead.org; Wed, 25 Jun 2014 07:14:57 +0000 From: Lucas Stach Date: Wed, 25 Jun 2014 09:18:21 +0200 Message-Id: <1403680701-10494-4-git-send-email-dev@lynxeye.de> In-Reply-To: <1403680701-10494-1-git-send-email-dev@lynxeye.de> References: <1403680701-10494-1-git-send-email-dev@lynxeye.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 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 4/4] arm: tegra: enable ARM errata workarounds To: barebox@lists.infradead.org From: Lucas Stach Signed-off-by: Lucas Stach --- arch/arm/mach-tegra/tegra_maincomplex_init.c | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-tegra/tegra_maincomplex_init.c b/arch/arm/mach-tegra/tegra_maincomplex_init.c index 17490a4..4a362dd 100644 --- a/arch/arm/mach-tegra/tegra_maincomplex_init.c +++ b/arch/arm/mach-tegra/tegra_maincomplex_init.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -30,6 +31,23 @@ void tegra_maincomplex_entry(void) arm_cpu_lowlevel_init(); + chiptype = tegra_get_chiptype(); + + /* enable ARM errata workarounds early */ + switch (chiptype) { + case TEGRA20: + enable_arm_errata_716044_war(); + enable_arm_errata_742230_war(); + enable_arm_errata_751472_war(); + break; + case TEGRA30: + enable_arm_errata_743622_war(); + enable_arm_errata_751472_war(); + break; + default: + break; + } + /* switch to PLLX */ writel(CRC_CCLK_BURST_POLICY_SYS_STATE_RUN << CRC_CCLK_BURST_POLICY_SYS_STATE_SHIFT | @@ -38,8 +56,6 @@ void tegra_maincomplex_entry(void) TEGRA_CLK_RESET_BASE + CRC_CCLK_BURST_POLICY); writel(CRC_SUPER_CDIV_ENB, TEGRA_CLK_RESET_BASE + CRC_SUPER_CCLK_DIV); - chiptype = tegra_get_chiptype(); - if (chiptype >= TEGRA114) { asm("mrc p15, 1, %0, c9, c0, 2" : : "r" (reg)); reg &= ~7; @@ -51,6 +67,7 @@ void tegra_maincomplex_entry(void) case TEGRA20: rambase = 0x0; ramsize = tegra20_get_ramsize(); + break; case TEGRA30: case TEGRA124: -- 1.9.3 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox