diff options
Diffstat (limited to 'arch/arm/mach-tegra/include/mach/lowlevel.h')
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/lowlevel.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/lowlevel.h b/arch/arm/mach-tegra/include/mach/lowlevel.h index cc346a023d..d7b6f1e994 100644 --- a/arch/arm/mach-tegra/include/mach/lowlevel.h +++ b/arch/arm/mach-tegra/include/mach/lowlevel.h @@ -39,6 +39,7 @@ #define T20_ODMDATA_RAMSIZE_SHIFT 28 #define T20_ODMDATA_RAMSIZE_MASK (3 << T20_ODMDATA_RAMSIZE_SHIFT) +#define T30_ODMDATA_RAMSIZE_MASK (0xf << T20_ODMDATA_RAMSIZE_SHIFT) #define T20_ODMDATA_UARTTYPE_SHIFT 18 #define T20_ODMDATA_UARTTYPE_MASK (3 << T20_ODMDATA_UARTTYPE_SHIFT) #define T20_ODMDATA_UARTID_SHIFT 15 @@ -124,6 +125,26 @@ uint32_t tegra20_get_ramsize(void) } } +static __always_inline +uint32_t tegra30_get_ramsize(void) +{ + switch ((tegra_get_odmdata() & T30_ODMDATA_RAMSIZE_MASK) >> + T20_ODMDATA_RAMSIZE_SHIFT) { + case 0: + case 1: + default: + return SZ_256M; + case 2: + return SZ_512M; + case 3: + return SZ_512M + SZ_256M; + case 4: + return SZ_1G; + case 8: + return SZ_2G - SZ_1M; + } +} + static long uart_id_to_base[] = { TEGRA_UARTA_BASE, TEGRA_UARTB_BASE, |