> -----Original Message----- > From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap- > owner@xxxxxxxxxxxxxxx] On Behalf Of Vikram Pandita > Sent: Saturday, July 10, 2010 12:39 PM > To: linux-omap@xxxxxxxxxxxxxxx > Cc: Pandita, Vikram > Subject: [PATCH 3/3] omap4: SRAM start and size change for EMU/HS devices > > On OMAP4 the SRAM configuration is: > GP Device: > Start Address: 0x4030 0000 > Size: 0xE000 (56KB) > > EMU/HS Device: > Start Address: 0x4030 4000 > Size: 0xA000 (40KB) > > Implement this mapping in the sram file > > Signed-off-by: Vikram Pandita <vikram.pandita@xxxxxx> > --- > arch/arm/plat-omap/sram.c | 17 +++++++++++++---- > 1 files changed, 13 insertions(+), 4 deletions(-) > > diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c > index 112b807..3c7c9a6 100644 > --- a/arch/arm/plat-omap/sram.c > +++ b/arch/arm/plat-omap/sram.c > @@ -53,7 +53,7 @@ > #define OMAP4_SRAM_PUB_PA (OMAP4_SRAM_PA + 0x4000) > #define OMAP4_SRAM_PUB_VA (OMAP4_SRAM_VA + 0x4000) > > -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) > +#if defined(CONFIG_ARCH_OMAP2PLUS) Only this line needs to be added in this patch > #define SRAM_BOOTLOADER_SZ 0x00 > #else > #define SRAM_BOOTLOADER_SZ 0x80 > @@ -134,9 +134,18 @@ void __init omap_detect_sram(void) > omap_sram_size = 0x8000; /* 32K */ > } > } else if (cpu_is_omap44xx()) { > - omap_sram_base = OMAP4_SRAM_PUB_VA; > - omap_sram_start = OMAP4_SRAM_PUB_PA; > - omap_sram_size = 0xa000; /* 40K */ > + if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) || > + (omap_type() == OMAP2_DEVICE_TYPE_SEC)) { > + /* 40K For Public SRAM */ > + omap_sram_base = OMAP4_SRAM_PUB_VA; > + omap_sram_start = OMAP4_SRAM_PUB_PA; > + omap_sram_size = 0xA000; > + } else { > + /* 56 KB SRAM on GP device */ > + omap_sram_base = OMAP4_SRAM_VA; > + omap_sram_start = OMAP4_SRAM_PA; > + omap_sram_size = 0xE000; Not necessary. If the "is_sram_locked" retunrs the correct retun value then this already handled. Just look below the else part which handles the GP and if already has EMU size. > + } > } else { > omap_sram_base = OMAP2_SRAM_PUB_VA; > omap_sram_start = OMAP2_SRAM_PUB_PA; > -- > 1.6.6.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
