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authorTom Rini <trini@konsulko.com>2020-01-07 08:45:43 -0500
committerTom Rini <trini@konsulko.com>2020-01-07 08:45:43 -0500
commitd8a3f5259a36e76d1de127f65714c40918e8ee4c (patch)
tree6a4ca1942f084a11465ad990433306c2dfdc7b55 /arch/arm/cpu
parentac0f978afd4b8d388b0b194bc6e5982efc383a59 (diff)
parentb6e7ef4bf71bc0927dea35fdec0a653a82ae57a7 (diff)
Merge tag 'u-boot-imx-20200107' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx
New for 2020.04 --------------- - New boards Embedded Artists COM board Xea Board - Switch to DM: Aristainetos boards Toradex colibri (DM_ETH) iCubox GE bx50v3 mx7dsabre (DM_ETH) cx9020 - New features: Bootaux with elf files Default SYS_THUMB_BUILD for i.MX6/7 - Fixes: DHCOM i.MX6 PDK Engicam i.MX8M tools (imx8m_image) Travis: https://travis-ci.org/sbabic/u-boot-imx/builds/633679664
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/mxs.c9
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/spl_boot.c7
2 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm/cpu/arm926ejs/mxs/mxs.c b/arch/arm/cpu/arm926ejs/mxs/mxs.c
index 85c65dcb44..183aa40b6d 100644
--- a/arch/arm/cpu/arm926ejs/mxs/mxs.c
+++ b/arch/arm/cpu/arm926ejs/mxs/mxs.c
@@ -98,13 +98,16 @@ int arch_cpu_init(void)
/*
* Enable NAND clock
*/
- /* Clear bypass bit */
+ /* Set bypass bit */
writel(CLKCTRL_CLKSEQ_BYPASS_GPMI,
&clkctrl_regs->hw_clkctrl_clkseq_set);
- /* Set GPMI clock to ref_gpmi / 12 */
+ /* Set GPMI clock to ref_xtal / 1 */
+ clrbits_le32(&clkctrl_regs->hw_clkctrl_gpmi, CLKCTRL_GPMI_CLKGATE);
+ while (readl(&clkctrl_regs->hw_clkctrl_gpmi) & CLKCTRL_GPMI_CLKGATE)
+ ;
clrsetbits_le32(&clkctrl_regs->hw_clkctrl_gpmi,
- CLKCTRL_GPMI_CLKGATE | CLKCTRL_GPMI_DIV_MASK, 1);
+ CLKCTRL_GPMI_DIV_MASK, 1);
udelay(1000);
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
index 5b3b51ce15..9168b91f27 100644
--- a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
@@ -25,9 +25,7 @@ static bd_t bdata __section(".data");
/*
* This delay function is intended to be used only in early stage of boot, where
- * clock are not set up yet. The timer used here is reset on every boot and
- * takes a few seconds to roll. The boot doesn't take that long, so to keep the
- * code simple, it doesn't take rolling into consideration.
+ * clock are not set up yet.
*/
void early_delay(int delay)
{
@@ -35,8 +33,7 @@ void early_delay(int delay)
(struct mxs_digctl_regs *)MXS_DIGCTL_BASE;
uint32_t st = readl(&digctl_regs->hw_digctl_microseconds);
- st += delay;
- while (st > readl(&digctl_regs->hw_digctl_microseconds))
+ while (readl(&digctl_regs->hw_digctl_microseconds) - st <= delay)
;
}