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authorChris Lalancette <clalancette@gmail.com>2011-12-13 09:41:12 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-12-19 17:52:44 +0100
commitdf65a3fe3504930d5a89699e9903554f4605b098 (patch)
treeb3205d378f7b6af700485b7ef3bfaf985b3ba3b9 /arch
parentc005d6b193c4d98159181576c52747f92df977f2 (diff)
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omap4_panda: Initialize the USB phy
During misc_init_r, make sure to setup the clocks properly for the USB hub on the pandaboard. With this in place, the USB hub and the ethernet works on the pandaboard. Signed-off-by: Chris Lalancette <clalancette@gmail.com> Acked-by: Aneesh V <aneesh@ti.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/arch-omap4/clocks.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-omap4/clocks.h b/arch/arm/include/asm/arch-omap4/clocks.h
index c2a9b46..cd304e8 100644
--- a/arch/arm/include/asm/arch-omap4/clocks.h
+++ b/arch/arm/include/asm/arch-omap4/clocks.h
@@ -470,6 +470,47 @@ struct omap4_prcm_regs {
};
+struct omap4_scrm_regs {
+ u32 revision; /* 0x0000 */
+ u32 pad00[63];
+ u32 clksetuptime; /* 0x0100 */
+ u32 pmicsetuptime; /* 0x0104 */
+ u32 pad01[2];
+ u32 altclksrc; /* 0x0110 */
+ u32 pad02[2];
+ u32 c2cclkm; /* 0x011c */
+ u32 pad03[56];
+ u32 extclkreq; /* 0x0200 */
+ u32 accclkreq; /* 0x0204 */
+ u32 pwrreq; /* 0x0208 */
+ u32 pad04[1];
+ u32 auxclkreq0; /* 0x0210 */
+ u32 auxclkreq1; /* 0x0214 */
+ u32 auxclkreq2; /* 0x0218 */
+ u32 auxclkreq3; /* 0x021c */
+ u32 auxclkreq4; /* 0x0220 */
+ u32 auxclkreq5; /* 0x0224 */
+ u32 pad05[3];
+ u32 c2cclkreq; /* 0x0234 */
+ u32 pad06[54];
+ u32 auxclk0; /* 0x0310 */
+ u32 auxclk1; /* 0x0314 */
+ u32 auxclk2; /* 0x0318 */
+ u32 auxclk3; /* 0x031c */
+ u32 auxclk4; /* 0x0320 */
+ u32 auxclk5; /* 0x0324 */
+ u32 pad07[54];
+ u32 rsttime_reg; /* 0x0400 */
+ u32 pad08[6];
+ u32 c2crstctrl; /* 0x041c */
+ u32 extpwronrstctrl; /* 0x0420 */
+ u32 pad09[59];
+ u32 extwarmrstst_reg; /* 0x0510 */
+ u32 apewarmrstst_reg; /* 0x0514 */
+ u32 pad10[1];
+ u32 c2cwarmrstst_reg; /* 0x051C */
+};
+
/* DPLL register offsets */
#define CM_CLKMODE_DPLL 0
#define CM_IDLEST_DPLL 0x4
@@ -652,6 +693,28 @@ struct omap4_prcm_regs {
#define TPS62361_BASE_VOLT_MV 500
#define TPS62361_VSEL0_GPIO 7
+/* AUXCLKx reg fields */
+#define AUXCLK_ENABLE_MASK (1 << 8)
+#define AUXCLK_SRCSELECT_SHIFT 1
+#define AUXCLK_SRCSELECT_MASK (3 << 1)
+#define AUXCLK_CLKDIV_SHIFT 16
+#define AUXCLK_CLKDIV_MASK (0xF << 16)
+
+#define AUXCLK_SRCSELECT_SYS_CLK 0
+#define AUXCLK_SRCSELECT_CORE_DPLL 1
+#define AUXCLK_SRCSELECT_PER_DPLL 2
+#define AUXCLK_SRCSELECT_ALTERNATE 3
+
+#define AUXCLK_CLKDIV_2 1
+#define AUXCLK_CLKDIV_16 0xF
+
+/* ALTCLKSRC */
+#define ALTCLKSRC_MODE_MASK 3
+#define ALTCLKSRC_ENABLE_INT_MASK 4
+#define ALTCLKSRC_ENABLE_EXT_MASK 8
+
+#define ALTCLKSRC_MODE_ACTIVE 1
+
/* Defines for DPLL setup */
#define DPLL_LOCKED_FREQ_TOLERANCE_0 0
#define DPLL_LOCKED_FREQ_TOLERANCE_500_KHZ 500