@@ -1043,6 +1043,66 @@ static struct omap_hwmod omap44xx_uart4_hwmod = {
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
+/*
+ * 'spinlock' class
+ * spinlock provides hardware assistance for synchronizing the processes
+ * running on multiple processors
+ */
+
+static struct omap_hwmod_class_sysconfig omap44xx_spinlock_sysc = {
+ .rev_offs = 0x0000,
+ .sysc_offs = 0x0010,
+ .syss_offs = 0x0014,
+ .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY |
+ SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE |
+ SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
+ .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
+ .sysc_fields = &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap44xx_spinlock_hwmod_class = {
+ .name = "spinlock",
+ .sysc = &omap44xx_spinlock_sysc,
+};
+
+/* spinlock */
+static struct omap_hwmod omap44xx_spinlock_hwmod;
+static struct omap_hwmod_addr_space omap44xx_spinlock_addrs[] = {
+ {
+ .pa_start = 0x4a0f6000,
+ .pa_end = 0x4a0f6fff,
+ .flags = ADDR_TYPE_RT
+ },
+};
+
+/* l4_cfg -> spinlock */
+static struct omap_hwmod_ocp_if omap44xx_l4_cfg__spinlock = {
+ .master = &omap44xx_l4_cfg_hwmod,
+ .slave = &omap44xx_spinlock_hwmod,
+ .clk = "l4_div_ck",
+ .addr = omap44xx_spinlock_addrs,
+ .addr_cnt = ARRAY_SIZE(omap44xx_spinlock_addrs),
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* spinlock slave ports */
+static struct omap_hwmod_ocp_if *omap44xx_spinlock_slaves[] = {
+ &omap44xx_l4_cfg__spinlock,
+};
+
+static struct omap_hwmod omap44xx_spinlock_hwmod = {
+ .name = "spinlock",
+ .class = &omap44xx_spinlock_hwmod_class,
+ .prcm = {
+ .omap4 = {
+ .clkctrl_reg = OMAP4430_CM_L4CFG_HW_SEM_CLKCTRL,
+ },
+ },
+ .slaves = omap44xx_spinlock_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap44xx_spinlock_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
+};
+
static __initdata struct omap_hwmod *omap44xx_hwmods[] = {
/* dmm class */
&omap44xx_dmm_hwmod,
@@ -1077,6 +1137,9 @@ static __initdata struct omap_hwmod *omap44xx_hwmods[] = {
&omap44xx_uart2_hwmod,
&omap44xx_uart3_hwmod,
&omap44xx_uart4_hwmod,
+
+ /* spinlock class */
+ &omap44xx_spinlock_hwmod,
NULL,
};