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| author |   Vaibhav Bedia <vaibhav.bedia@ti.com> | 2012-03-05 16:11:01 -0800 |
|---|---|---|
| committer |   Tony Lindgren <tony@atomide.com> | 2012-03-05 16:11:01 -0800 |
| commit | b4c0a8a73b6a767550617339fb9129fbbebf82e3 (patch) | |
| tree | 6ef5186374332fed08c2c5ab40c25934887ac5fb /arch/arm/plat-omap/sram.c | |
| parent | ARM: OMAP2+: id: Add am33xx SoC type detection (diff) | |
| download | linux-dev-b4c0a8a73b6a767550617339fb9129fbbebf82e3.tar.xz linux-dev-b4c0a8a73b6a767550617339fb9129fbbebf82e3.zip | |
ARM: OMAP: sram: Add am33xx SRAM support (minimal)
Update SRAM start & size for am33xx SoC's.
Note: cpu_is_34xx() is true for am33xx also. Doing
cpu_is_am33xx() check after cpu_is_34xx() will not
achieve what we want due to the above reason.
Hence cpu_is_am33xx() is done before cpu_is_34xx()
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/plat-omap/sram.c')
| -rw-r--r-- | arch/arm/plat-omap/sram.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index 4243bdcc87bc..596f2224e15a 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -86,7 +86,7 @@ static int is_sram_locked(void) __raw_writel(0xCFDE, OMAP24XX_VA_READPERM0); /* all i-read */ __raw_writel(0xCFDE, OMAP24XX_VA_WRITEPERM0); /* all i-write */ } - if (cpu_is_omap34xx()) { + if (cpu_is_omap34xx() && !cpu_is_am33xx()) { __raw_writel(0xFFFF, OMAP34XX_VA_REQINFOPERM0); /* all q-vects */ __raw_writel(0xFFFF, OMAP34XX_VA_READPERM0); /* all i-read */ __raw_writel(0xFFFF, OMAP34XX_VA_WRITEPERM0); /* all i-write */ @@ -124,7 +124,10 @@ static void __init omap_detect_sram(void) omap_sram_size = 0x800; /* 2K */ } } else { - if (cpu_is_omap34xx()) { + if (cpu_is_am33xx()) { + omap_sram_start = AM33XX_SRAM_PA; + omap_sram_size = 0x10000; /* 64K */ + } else if (cpu_is_omap34xx()) { omap_sram_start = OMAP3_SRAM_PA; omap_sram_size = 0x10000; /* 64K */ } else if (cpu_is_omap44xx()) { @@ -368,6 +371,11 @@ static inline int omap34xx_sram_init(void) return 0; } +static inline int am33xx_sram_init(void) +{ + return 0; +} + int __init omap_sram_init(void) { omap_detect_sram(); @@ -379,6 +387,8 @@ int __init omap_sram_init(void) omap242x_sram_init(); else if (cpu_is_omap2430()) omap243x_sram_init(); + else if (cpu_is_am33xx()) + am33xx_sram_init(); else if (cpu_is_omap34xx()) omap34xx_sram_init(); |