From: Samu Onkalo <samu.p.onkalo@xxxxxxxxx>
Bootloader must configure proper settings for SDRC before starting
kernel from SDRAM. Furthermore, removed lines violated omap3430 and
omap2420 SDRC errata (see errata 1.150)
Signed-off-by: Samu Onkalo <samu.p.onkalo@xxxxxxxxx>
---
arch/arm/mach-omap2/sdrc.c | 10 ++--------
1 files changed, 2 insertions(+), 8 deletions(-)
diff --git a/arch/arm/mach-omap2/sdrc.c b/arch/arm/mach-omap2/sdrc.c
index 2045441..0874687 100644
--- a/arch/arm/mach-omap2/sdrc.c
+++ b/arch/arm/mach-omap2/sdrc.c
@@ -86,8 +86,8 @@ void __init omap2_set_globals_sdrc(struct omap_globals *omap2_globals)
* @sp: pointer to a null-terminated list of struct omap_sdrc_params
*
* Turn on smart idle modes for SDRAM scheduler and controller.
- * Program a known-good configuration for the SDRC to deal with buggy
- * bootloaders.
+ * Bootloaders should make proper configuration for SDRC since kernel
+ * is running from SDRAM.
*/
void __init omap2_sdrc_init(struct omap_sdrc_params *sp)
{
@@ -104,10 +104,4 @@ void __init omap2_sdrc_init(struct omap_sdrc_params *sp)
sdrc_write_reg(l, SDRC_SYSCONFIG);
sdrc_init_params = sp;
-
- /* XXX Enable SRFRONIDLEREQ here also? */
- l = (1 << SDRC_POWER_EXTCLKDIS_SHIFT) |
- (1 << SDRC_POWER_PWDENA_SHIFT) |
- (1 << SDRC_POWER_PAGEPOLICY_SHIFT);
- sdrc_write_reg(l, SDRC_POWER);
}
--
1.6.0.6
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