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-rw-r--r--arch/m68k/include/asm/m520xsim.h10
-rw-r--r--arch/m68k/platform/coldfire/m520x.c97
2 files changed, 107 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/m520xsim.h b/arch/m68k/include/asm/m520xsim.h
index b1bc76f1decc..db3f8ee4a6c6 100644
--- a/arch/m68k/include/asm/m520xsim.h
+++ b/arch/m68k/include/asm/m520xsim.h
@@ -190,5 +190,15 @@
#define MCF_RCR_SWRESET 0x80 /* Software reset bit */
#define MCF_RCR_FRCSTOUT 0x40 /* Force external reset */
+/*
+ * Power Management.
+ */
+#define MCFPM_WCR 0xfc040013
+#define MCFPM_PPMSR0 0xfc04002c
+#define MCFPM_PPMCR0 0xfc04002d
+#define MCFPM_PPMHR0 0xfc040030
+#define MCFPM_PPMLR0 0xfc040034
+#define MCFPM_LPCR 0xfc0a0007
+
/****************************************************************************/
#endif /* m520xsim_h */
diff --git a/arch/m68k/platform/coldfire/m520x.c b/arch/m68k/platform/coldfire/m520x.c
index 09df4b89e8be..ea1be0e98ad6 100644
--- a/arch/m68k/platform/coldfire/m520x.c
+++ b/arch/m68k/platform/coldfire/m520x.c
@@ -19,6 +19,102 @@
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/mcfuart.h>
+#include <asm/mcfclk.h>
+
+/***************************************************************************/
+
+DEFINE_CLK(0, "flexbus", 2, MCF_CLK);
+DEFINE_CLK(0, "fec.0", 12, MCF_CLK);
+DEFINE_CLK(0, "edma", 17, MCF_CLK);
+DEFINE_CLK(0, "intc.0", 18, MCF_CLK);
+DEFINE_CLK(0, "iack.0", 21, MCF_CLK);
+DEFINE_CLK(0, "mcfi2c.0", 22, MCF_CLK);
+DEFINE_CLK(0, "mcfqspi.0", 23, MCF_CLK);
+DEFINE_CLK(0, "mcfuart.0", 24, MCF_BUSCLK);
+DEFINE_CLK(0, "mcfuart.1", 25, MCF_BUSCLK);
+DEFINE_CLK(0, "mcfuart.2", 26, MCF_BUSCLK);
+DEFINE_CLK(0, "mcftmr.0", 28, MCF_CLK);
+DEFINE_CLK(0, "mcftmr.1", 29, MCF_CLK);
+DEFINE_CLK(0, "mcftmr.2", 30, MCF_CLK);
+DEFINE_CLK(0, "mcftmr.3", 31, MCF_CLK);
+
+DEFINE_CLK(0, "mcfpit.0", 32, MCF_CLK);
+DEFINE_CLK(0, "mcfpit.1", 33, MCF_CLK);
+DEFINE_CLK(0, "mcfeport.0", 34, MCF_CLK);
+DEFINE_CLK(0, "mcfwdt.0", 35, MCF_CLK);
+DEFINE_CLK(0, "pll.0", 36, MCF_CLK);
+DEFINE_CLK(0, "sys.0", 40, MCF_BUSCLK);
+DEFINE_CLK(0, "gpio.0", 41, MCF_BUSCLK);
+DEFINE_CLK(0, "sdram.0", 42, MCF_CLK);
+
+struct clk *mcf_clks[] = {
+ &__clk_0_2, /* flexbus */
+ &__clk_0_12, /* fec.0 */
+ &__clk_0_17, /* edma */
+ &__clk_0_18, /* intc.0 */
+ &__clk_0_21, /* iack.0 */
+ &__clk_0_22, /* mcfi2c.0 */
+ &__clk_0_23, /* mcfqspi.0 */
+ &__clk_0_24, /* mcfuart.0 */
+ &__clk_0_25, /* mcfuart.1 */
+ &__clk_0_26, /* mcfuart.2 */
+ &__clk_0_28, /* mcftmr.0 */
+ &__clk_0_29, /* mcftmr.1 */
+ &__clk_0_30, /* mcftmr.2 */
+ &__clk_0_31, /* mcftmr.3 */
+
+ &__clk_0_32, /* mcfpit.0 */
+ &__clk_0_33, /* mcfpit.1 */
+ &__clk_0_34, /* mcfeport.0 */
+ &__clk_0_35, /* mcfwdt.0 */
+ &__clk_0_36, /* pll.0 */
+ &__clk_0_40, /* sys.0 */
+ &__clk_0_41, /* gpio.0 */
+ &__clk_0_42, /* sdram.0 */
+NULL,
+};
+
+static struct clk * const enable_clks[] __initconst = {
+ &__clk_0_2, /* flexbus */
+ &__clk_0_18, /* intc.0 */
+ &__clk_0_21, /* iack.0 */
+ &__clk_0_24, /* mcfuart.0 */
+ &__clk_0_25, /* mcfuart.1 */
+ &__clk_0_26, /* mcfuart.2 */
+
+ &__clk_0_32, /* mcfpit.0 */
+ &__clk_0_33, /* mcfpit.1 */
+ &__clk_0_34, /* mcfeport.0 */
+ &__clk_0_36, /* pll.0 */
+ &__clk_0_40, /* sys.0 */
+ &__clk_0_41, /* gpio.0 */
+ &__clk_0_42, /* sdram.0 */
+};
+
+static struct clk * const disable_clks[] __initconst = {
+ &__clk_0_12, /* fec.0 */
+ &__clk_0_17, /* edma */
+ &__clk_0_22, /* mcfi2c.0 */
+ &__clk_0_23, /* mcfqspi.0 */
+ &__clk_0_28, /* mcftmr.0 */
+ &__clk_0_29, /* mcftmr.1 */
+ &__clk_0_30, /* mcftmr.2 */
+ &__clk_0_31, /* mcftmr.3 */
+ &__clk_0_35, /* mcfwdt.0 */
+};
+
+
+static void __init m520x_clk_init(void)
+{
+ unsigned i;
+
+ /* make sure these clocks are enabled */
+ for (i = 0; i < ARRAY_SIZE(enable_clks); ++i)
+ __clk_init_enabled(enable_clks[i]);
+ /* make sure these clocks are disabled */
+ for (i = 0; i < ARRAY_SIZE(disable_clks); ++i)
+ __clk_init_disabled(disable_clks[i]);
+}
/***************************************************************************/
@@ -77,6 +173,7 @@ static void __init m520x_fec_init(void)
void __init config_BSP(char *commandp, int size)
{
mach_sched_init = hw_timer_init;
+ m520x_clk_init();
m520x_uarts_init();
m520x_fec_init();
#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI)