summaryrefslogtreecommitdiffstats
path: root/arch/arm/cpu/armv7/am33xx/emif4.c
diff options
context:
space:
mode:
authorTom Rini <trini@ti.com>2014-01-10 10:56:00 -0500
committerTom Rini <trini@ti.com>2014-01-10 10:56:00 -0500
commit7f673c99c2d8d1aa21996c5b914f06d784b080ca (patch)
treedf68108a0bd7326dc6299b96853b769220c55470 /arch/arm/cpu/armv7/am33xx/emif4.c
parent8401bfa91ef57e331e2a3abdf768d41803bec88e (diff)
parent10a147bc665367111920be657409a5d56d3c0590 (diff)
downloadblackbird-obmc-uboot-7f673c99c2d8d1aa21996c5b914f06d784b080ca.tar.gz
blackbird-obmc-uboot-7f673c99c2d8d1aa21996c5b914f06d784b080ca.zip
Merge branch 'master' of git://git.denx.de/u-boot-arm
Bringing in the MMC tree means that CONFIG_BOUNCE_BUFFER needed to be added to include/configs/exynos5-dt.h now. Conflicts: include/configs/exynos5250-dt.h Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'arch/arm/cpu/armv7/am33xx/emif4.c')
-rw-r--r--arch/arm/cpu/armv7/am33xx/emif4.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/emif4.c b/arch/arm/cpu/armv7/am33xx/emif4.c
index 59ad25c5b0..d28fceb75c 100644
--- a/arch/arm/cpu/armv7/am33xx/emif4.c
+++ b/arch/arm/cpu/armv7/am33xx/emif4.c
@@ -48,6 +48,11 @@ static struct vtp_reg *vtpreg[2] = {
#ifdef CONFIG_AM33XX
static struct ddr_ctrl *ddrctrl = (struct ddr_ctrl *)DDR_CTRL_ADDR;
#endif
+#ifdef CONFIG_AM43XX
+static struct ddr_ctrl *ddrctrl = (struct ddr_ctrl *)DDR_CTRL_ADDR;
+static struct cm_device_inst *cm_device =
+ (struct cm_device_inst *)CM_DEVICE_INST;
+#endif
#ifdef CONFIG_TI81XX
void config_dmm(const struct dmm_lisa_map_regs *regs)
@@ -87,7 +92,7 @@ void __weak ddr_pll_config(unsigned int ddrpll_m)
{
}
-void config_ddr(unsigned int pll, unsigned int ioctrl,
+void config_ddr(unsigned int pll, const struct ctrl_ioregs *ioregs,
const struct ddr_data *data, const struct cmd_control *ctrl,
const struct emif_regs *regs, int nr)
{
@@ -99,7 +104,18 @@ void config_ddr(unsigned int pll, unsigned int ioctrl,
config_ddr_data(data, nr);
#ifdef CONFIG_AM33XX
- config_io_ctrl(ioctrl);
+ config_io_ctrl(ioregs);
+
+ /* Set CKE to be controlled by EMIF/DDR PHY */
+ writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl);
+#endif
+#ifdef CONFIG_AM43XX
+ writel(readl(&cm_device->cm_dll_ctrl) & ~0x1, &cm_device->cm_dll_ctrl);
+ while ((readl(&cm_device->cm_dll_ctrl) && CM_DLL_READYST) == 0)
+ ;
+ writel(0x0, &ddrctrl->ddrioctrl);
+
+ config_io_ctrl(ioregs);
/* Set CKE to be controlled by EMIF/DDR PHY */
writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl);
@@ -108,6 +124,9 @@ void config_ddr(unsigned int pll, unsigned int ioctrl,
/* Program EMIF instance */
config_ddr_phy(regs, nr);
set_sdram_timings(regs, nr);
- config_sdram(regs, nr);
+ if (get_emif_rev(EMIF1_BASE) == EMIF_4D5)
+ config_sdram_emif4d5(regs, nr);
+ else
+ config_sdram(regs, nr);
}
#endif
OpenPOWER on IntegriCloud