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| author | Lucas Stach <l.stach@pengutronix.de> | 2014-06-25 09:18:21 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-06-26 08:05:21 +0200 |
| commit | db158af8cd9191136ede6abfb34e0e986b8c904c (patch) | |
| tree | 2df0b1426c49f15cdae5a7e916aeda8f2bb55edb /arch/arm/mach-tegra | |
| parent | 3acaa78fd839359045b6e202cc326860d2b47da8 (diff) | |
| download | barebox-db158af8cd9191136ede6abfb34e0e986b8c904c.tar.gz barebox-db158af8cd9191136ede6abfb34e0e986b8c904c.tar.xz | |
arm: tegra: enable ARM errata workarounds
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-tegra')
| -rw-r--r-- | arch/arm/mach-tegra/tegra_maincomplex_init.c | 21 |
1 files 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 17490a425a..4a362ddba3 100644 --- a/arch/arm/mach-tegra/tegra_maincomplex_init.c +++ b/arch/arm/mach-tegra/tegra_maincomplex_init.c @@ -18,6 +18,7 @@ #include <sizes.h> #include <asm/barebox-arm-head.h> #include <asm/barebox-arm.h> +#include <asm/errata.h> #include <mach/lowlevel.h> #include <mach/tegra20-pmc.h> #include <mach/tegra20-car.h> @@ -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: |