summaryrefslogtreecommitdiff
path: root/arch/arm/cpu/armv7/am33xx/emif4.c
diff options
context:
space:
mode:
authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-03-24 17:52:22 +0100
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-03-24 17:52:22 +0100
commitb6379e15a70cc2e22486e5962927d9de374d877b (patch)
treece5c97f3754c29fa5d69a2da9b651ed59e876189 /arch/arm/cpu/armv7/am33xx/emif4.c
parent536121328eae940458f065608345b5fed8286859 (diff)
parent173ddc5b68fa41e55293d1095cafdc21fd11cf65 (diff)
Merge branch 'u-boot-ti/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch/arm/cpu/armv7/am33xx/emif4.c')
-rw-r--r--arch/arm/cpu/armv7/am33xx/emif4.c57
1 files changed, 39 insertions, 18 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/emif4.c b/arch/arm/cpu/armv7/am33xx/emif4.c
index 01e3a5204e..aa84e96173 100644
--- a/arch/arm/cpu/armv7/am33xx/emif4.c
+++ b/arch/arm/cpu/armv7/am33xx/emif4.c
@@ -44,44 +44,65 @@ void dram_init_banksize(void)
#ifdef CONFIG_SPL_BUILD
-static struct vtp_reg *vtpreg = (struct vtp_reg *)VTP0_CTRL_ADDR;
+static struct dmm_lisa_map_regs *hw_lisa_map_regs =
+ (struct dmm_lisa_map_regs *)DMM_BASE;
+static struct vtp_reg *vtpreg[2] = {
+ (struct vtp_reg *)VTP0_CTRL_ADDR,
+ (struct vtp_reg *)VTP1_CTRL_ADDR};
+#ifdef CONFIG_AM33XX
static struct ddr_ctrl *ddrctrl = (struct ddr_ctrl *)DDR_CTRL_ADDR;
+#endif
+
+void config_dmm(const struct dmm_lisa_map_regs *regs)
+{
+ enable_dmm_clocks();
+
+ writel(0, &hw_lisa_map_regs->dmm_lisa_map_3);
+ writel(0, &hw_lisa_map_regs->dmm_lisa_map_2);
+ writel(0, &hw_lisa_map_regs->dmm_lisa_map_1);
+ writel(0, &hw_lisa_map_regs->dmm_lisa_map_0);
-static void config_vtp(void)
+ writel(regs->dmm_lisa_map_3, &hw_lisa_map_regs->dmm_lisa_map_3);
+ writel(regs->dmm_lisa_map_2, &hw_lisa_map_regs->dmm_lisa_map_2);
+ writel(regs->dmm_lisa_map_1, &hw_lisa_map_regs->dmm_lisa_map_1);
+ writel(regs->dmm_lisa_map_0, &hw_lisa_map_regs->dmm_lisa_map_0);
+}
+
+static void config_vtp(int nr)
{
- writel(readl(&vtpreg->vtp0ctrlreg) | VTP_CTRL_ENABLE,
- &vtpreg->vtp0ctrlreg);
- writel(readl(&vtpreg->vtp0ctrlreg) & (~VTP_CTRL_START_EN),
- &vtpreg->vtp0ctrlreg);
- writel(readl(&vtpreg->vtp0ctrlreg) | VTP_CTRL_START_EN,
- &vtpreg->vtp0ctrlreg);
+ writel(readl(&vtpreg[nr]->vtp0ctrlreg) | VTP_CTRL_ENABLE,
+ &vtpreg[nr]->vtp0ctrlreg);
+ writel(readl(&vtpreg[nr]->vtp0ctrlreg) & (~VTP_CTRL_START_EN),
+ &vtpreg[nr]->vtp0ctrlreg);
+ writel(readl(&vtpreg[nr]->vtp0ctrlreg) | VTP_CTRL_START_EN,
+ &vtpreg[nr]->vtp0ctrlreg);
/* Poll for READY */
- while ((readl(&vtpreg->vtp0ctrlreg) & VTP_CTRL_READY) !=
+ while ((readl(&vtpreg[nr]->vtp0ctrlreg) & VTP_CTRL_READY) !=
VTP_CTRL_READY)
;
}
void config_ddr(unsigned int pll, unsigned int ioctrl,
const struct ddr_data *data, const struct cmd_control *ctrl,
- const struct emif_regs *regs)
+ const struct emif_regs *regs, int nr)
{
enable_emif_clocks();
ddr_pll_config(pll);
- config_vtp();
- config_cmd_ctrl(ctrl);
-
- config_ddr_data(0, data);
- config_ddr_data(1, data);
+ config_vtp(nr);
+ config_cmd_ctrl(ctrl, nr);
+ config_ddr_data(data, nr);
+#ifdef CONFIG_AM33XX
config_io_ctrl(ioctrl);
/* Set CKE to be controlled by EMIF/DDR PHY */
writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl);
+#endif
/* Program EMIF instance */
- config_ddr_phy(regs);
- set_sdram_timings(regs);
- config_sdram(regs);
+ config_ddr_phy(regs, nr);
+ set_sdram_timings(regs, nr);
+ config_sdram(regs, nr);
}
#endif