summaryrefslogtreecommitdiff
path: root/cpu
diff options
context:
space:
mode:
authorSammy He <r62914@freescale.com>2011-03-18 20:58:17 +0800
committerSammy He <r62914@freescale.com>2011-03-21 21:19:47 +0800
commitac48999b9353d038e95f965af08184dc6342adfc (patch)
tree0d5a248ac8e50a19047ab135e9348e8612b73b41 /cpu
parent32ab6b2785b763588644e766235e2ed21a853c2a (diff)
downloadu-boot-imx-ac48999b9353d038e95f965af08184dc6342adfc.zip
u-boot-imx-ac48999b9353d038e95f965af08184dc6342adfc.tar.gz
u-boot-imx-ac48999b9353d038e95f965af08184dc6342adfc.tar.bz2
ENGR00140824 Android: Enable fastboot support for mx50 rdp
Enable fastboot support for mx50 rdp. Signed-off-by: Sammy He <r62914@freescale.com>
Diffstat (limited to 'cpu')
-rw-r--r--cpu/arm_cortexa8/mx50/crm_regs.h14
-rw-r--r--cpu/arm_cortexa8/mx50/generic.c51
2 files changed, 62 insertions, 3 deletions
diff --git a/cpu/arm_cortexa8/mx50/crm_regs.h b/cpu/arm_cortexa8/mx50/crm_regs.h
index 1af5f9e..4408355 100644
--- a/cpu/arm_cortexa8/mx50/crm_regs.h
+++ b/cpu/arm_cortexa8/mx50/crm_regs.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2010 Freescale Semiconductor, Inc.
+ * Copyright (C) 2010-2011 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -190,10 +190,14 @@
#define MXC_CCM_CSCMR1_SSI_EXT2_CLK_SEL_MASK (0x3 << 30)
#define MXC_CCM_CSCMR1_SSI_EXT1_CLK_SEL_OFFSET (28)
#define MXC_CCM_CSCMR1_SSI_EXT1_CLK_SEL_MASK (0x3 << 28)
+#define MXC_CCM_CSCMR1_USB_PHY_CLK_SEL_OFFSET (26)
+#define MXC_CCM_CSCMR1_USB_PHY_CLK_SEL (0x1 << 26)
#define MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET (24)
#define MXC_CCM_CSCMR1_UART_CLK_SEL_MASK (0x3 << 24)
-#define MXC_CCM_CSCMR1_ESDHC1_CLK_SEL_OFFSET (21)
-#define MXC_CCM_CSCMR1_ESDHC1_CLK_SEL_MASK (0x3 << 21)
+#define MXC_CCM_CSCMR1_USBOH3_CLK_SEL_OFFSET (22)
+#define MXC_CCM_CSCMR1_USBOH3_CLK_SEL_MASK (0x3 << 22)
+#define MXC_CCM_CSCMR1_ESDHC1_CLK_SEL_OFFSET (21)
+#define MXC_CCM_CSCMR1_ESDHC1_CLK_SEL_MASK (0x3 << 21)
#define MXC_CCM_CSCMR1_ESDHC2_CLK_SEL (0x1 << 20)
#define MXC_CCM_CSCMR1_ESDHC4_CLK_SEL (0x1 << 19)
#define MXC_CCM_CSCMR1_ESDHC3_CLK_SEL_OFFSET (16)
@@ -220,6 +224,10 @@
#define MXC_CCM_CSCDR1_PGC_CLK_PODF_MASK (0x3 << 14)
#define MXC_CCM_CSCDR1_ESDHC1_CLK_PODF_OFFSET (11)
#define MXC_CCM_CSCDR1_ESDHC1_CLK_PODF_MASK (0x7 << 11)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PRED_OFFSET (8)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PRED_MASK (0x7 << 8)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PODF_OFFSET (6)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PODF_MASK (0x3 << 6)
#define MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET (3)
#define MXC_CCM_CSCDR1_UART_CLK_PRED_MASK (0x7 << 3)
#define MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET (0)
diff --git a/cpu/arm_cortexa8/mx50/generic.c b/cpu/arm_cortexa8/mx50/generic.c
index a964218..e1f55d1 100644
--- a/cpu/arm_cortexa8/mx50/generic.c
+++ b/cpu/arm_cortexa8/mx50/generic.c
@@ -545,6 +545,57 @@ static u32 __get_bch_clk(void)
#endif
+void set_usboh3_clk(void)
+{
+ unsigned int reg;
+
+ reg = readl(MXC_CCM_CSCMR1) &
+ ~MXC_CCM_CSCMR1_USBOH3_CLK_SEL_MASK;
+ reg |= 1 << MXC_CCM_CSCMR1_USBOH3_CLK_SEL_OFFSET;
+ writel(reg, MXC_CCM_CSCMR1);
+
+ reg = readl(MXC_CCM_CSCDR1);
+ reg &= ~MXC_CCM_CSCDR1_USBOH3_CLK_PODF_MASK;
+ reg &= ~MXC_CCM_CSCDR1_USBOH3_CLK_PRED_MASK;
+ reg |= 4 << MXC_CCM_CSCDR1_USBOH3_CLK_PRED_OFFSET;
+ reg |= 1 << MXC_CCM_CSCDR1_USBOH3_CLK_PODF_OFFSET;
+
+ writel(reg, MXC_CCM_CSCDR1);
+}
+
+void set_usb_phy1_clk(void)
+{
+ unsigned int reg;
+
+ reg = readl(MXC_CCM_CSCMR1);
+ reg &= ~MXC_CCM_CSCMR1_USB_PHY_CLK_SEL;
+ writel(reg, MXC_CCM_CSCMR1);
+}
+
+void enable_usboh3_clk(unsigned char enable)
+{
+ unsigned int reg;
+
+ reg = readl(MXC_CCM_CCGR2);
+ if (enable)
+ reg |= 1 << MXC_CCM_CCGR2_CG14_OFFSET;
+ else
+ reg &= ~(1 << MXC_CCM_CCGR2_CG14_OFFSET);
+ writel(reg, MXC_CCM_CCGR2);
+}
+
+void enable_usb_phy1_clk(unsigned char enable)
+{
+ unsigned int reg;
+
+ reg = readl(MXC_CCM_CCGR4);
+ if (enable)
+ reg |= 1 << MXC_CCM_CCGR4_CG5_OFFSET;
+ else
+ reg &= ~(1 << MXC_CCM_CCGR4_CG5_OFFSET);
+ writel(reg, MXC_CCM_CCGR4);
+}
+
unsigned int mxc_get_clock(enum mxc_clock clk)
{
switch (clk) {