arm/davinci/da850: add uart0 pinmux

[oweals/u-boot.git] / arch / arm / cpu / arm926ejs / mx28 / spl_mem_init.c

diff --git a/arch/arm/cpu/arm926ejs/mx28/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mx28/spl_mem_init.c
index 0b1c10917760798428598584f860167d9daac744..e17a4d7c7fb60caefe8c1f1a568d419aa5360e22 100644 (file)
--- a/arch/arm/cpu/arm926ejs/mx28/spl_mem_init.c
+++ b/arch/arm/cpu/arm926ejs/mx28/spl_mem_init.c
@@ -82,10 +82,18 @@ uint32_t dram_vals[] = {
        0x00000000, 0x00010001
 };
 
+void __mx28_adjust_memory_params(uint32_t *dram_vals)
+{
+}
+void mx28_adjust_memory_params(uint32_t *dram_vals)
+       __attribute__((weak, alias("__mx28_adjust_memory_params")));
+
 void init_m28_200mhz_ddr2(void)
 {
        int i;
 
+       mx28_adjust_memory_params(dram_vals);
+
        for (i = 0; i < ARRAY_SIZE(dram_vals); i++)
                writel(dram_vals[i], MXS_DRAM_BASE + (4 * i));
 }
@@ -149,6 +157,8 @@ void mx28_mem_setup_cpu_and_hbus(void)
        /* Disable CPU bypass */
        writel(CLKCTRL_CLKSEQ_BYPASS_CPU,
                &clkctrl_regs->hw_clkctrl_clkseq_clr);
+
+       early_delay(15000);
 }
 
 void mx28_mem_setup_vdda(void)
@@ -173,29 +183,23 @@ void mx28_mem_setup_vddd(void)
                &power_regs->hw_power_vdddctrl);
 }
 
-void data_abort_memdetect_handler(void) __attribute__((naked));
-void data_abort_memdetect_handler(void)
+uint32_t mx28_mem_get_size(void)
 {
-       asm volatile("subs pc, r14, #4");
-}
-
-void mx28_mem_get_size(void)
-{
-       struct mx28_digctl_regs *digctl_regs =
-               (struct mx28_digctl_regs *)MXS_DIGCTL_BASE;
        uint32_t sz, da;
        uint32_t *vt = (uint32_t *)0x20;
+       /* The following is "subs pc, r14, #4", used as return from DABT. */
+       const uint32_t data_abort_memdetect_handler = 0xe25ef004;
 
        /* Replace the DABT handler. */
        da = vt[4];
-       vt[4] = (uint32_t)&data_abort_memdetect_handler;
+       vt[4] = data_abort_memdetect_handler;
 
        sz = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
-       writel(sz, &digctl_regs->hw_digctl_scratch0);
-       writel(sz, &digctl_regs->hw_digctl_scratch1);
 
        /* Restore the old DABT handler. */
        vt[4] = da;
+
+       return sz;
 }
 
 void mx28_mem_init(void)
@@ -243,6 +247,4 @@ void mx28_mem_init(void)
        early_delay(10000);
 
        mx28_mem_setup_cpu_and_hbus();
-
-       mx28_mem_get_size();
 }