ARM: k2g: Add pll data

Add pll data for k2g
Signed-off-by: NVitaly Andrianov <vitalya@ti.com>
Signed-off-by: NLokesh Vutla <lokeshvutla@ti.com>

arch/arm/mach-keystone/clock.c

@@ -31,6 +31,7 @@ const struct keystone_pll_regs keystone_pll_regs[] = {
 	[TETRIS_PLL]	= {KS2_ARMPLLCTL0, KS2_ARMPLLCTL1},
 	[DDR3A_PLL]	= {KS2_DDR3APLLCTL0, KS2_DDR3APLLCTL1},
 	[DDR3B_PLL]	= {KS2_DDR3BPLLCTL0, KS2_DDR3BPLLCTL1},
+	[UART_PLL]	= {KS2_UARTPLLCTL0, KS2_UARTPLLCTL1},
 };
 
 inline void pll_pa_clk_sel(void)
@@ -313,6 +314,10 @@ static unsigned long pll_freq_get(int pll)
 			ret = external_clk[ddr3b_clk];
 			reg = KS2_DDR3BPLLCTL0;
 			break;
+		case UART_PLL:
+			ret = external_clk[uart_clk];
+			reg = KS2_UARTPLLCTL0;
+			break;
 		default:
 			return 0;
 		}

arch/arm/mach-keystone/include/mach/clock-k2g.h

+/*
+ * K2G: Clock data
+ *
+ * (C) Copyright 2015
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __ASM_ARCH_CLOCK_K2G_H
+#define __ASM_ARCH_CLOCK_K2G_H
+
+#define PLLSET_CMD_LIST		"<pa|arm|ddr3>"
+
+#define DEV_SUPPORTED_SPEEDS	0xfff
+#define ARM_SUPPORTED_SPEEDS	0xfff
+
+#endif

arch/arm/mach-keystone/include/mach/clock.h

@@ -24,8 +24,13 @@
 #include <asm/arch/clock-k2l.h>
 #endif
 
+#ifdef CONFIG_SOC_K2G
+#include <asm/arch/clock-k2g.h>
+#endif
+
 #define CORE_PLL MAIN_PLL
 #define DDR3_PLL DDR3A_PLL
+#define NSS_PLL PASS_PLL
 
 #define CLK_LIST(CLK)\
 	CLK(0, core_pll_clk)\
@@ -75,6 +80,7 @@ enum {
 	PASS_PLL,
 	DDR3A_PLL,
 	DDR3B_PLL,
+	UART_PLL,
 	MAX_PLL_COUNT,
 };
 

arch/arm/mach-keystone/include/mach/hardware.h

@@ -167,6 +167,8 @@ typedef volatile unsigned int   *dv_reg_p;
 #define KS2_DDR3BPLLCTL1		(KS2_DEVICE_STATE_CTRL_BASE + 0x36C)
 #define KS2_ARMPLLCTL0			(KS2_DEVICE_STATE_CTRL_BASE + 0x370)
 #define KS2_ARMPLLCTL1			(KS2_DEVICE_STATE_CTRL_BASE + 0x374)
+#define KS2_UARTPLLCTL0			(KS2_DEVICE_STATE_CTRL_BASE + 0x390)
+#define KS2_UARTPLLCTL1			(KS2_DEVICE_STATE_CTRL_BASE + 0x394)
 
 #define KS2_PLL_CNTRL_BASE		0x02310000
 #define KS2_CLOCK_BASE			KS2_PLL_CNTRL_BASE

board/ti/ks2_evm/Makefile

@@ -13,3 +13,4 @@ obj-$(CONFIG_K2E_EVM) += board_k2e.o
 obj-$(CONFIG_K2E_EVM) += ddr3_k2e.o
 obj-$(CONFIG_K2L_EVM) += board_k2l.o
 obj-$(CONFIG_K2L_EVM) += ddr3_k2l.o
+obj-$(CONFIG_K2G_EVM) += board_k2g.o

board/ti/ks2_evm/board_k2g.c

+/*
+ * K2G EVM : Board initialization
+ *
+ * (C) Copyright 2015
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#include <common.h>
+#include <asm/arch/clock.h>
+
+static struct pll_init_data main_pll_config = {MAIN_PLL, 100, 1, 4};
+static struct pll_init_data tetris_pll_config = {TETRIS_PLL, 100, 1, 4};
+static struct pll_init_data uart_pll_config = {UART_PLL, 64, 1, 4};
+static struct pll_init_data nss_pll_config = {NSS_PLL, 250, 3, 2};
+static struct pll_init_data ddr3_pll_config = {DDR3_PLL, 250, 3, 10};
+
+struct pll_init_data *get_pll_init_data(int pll)
+{
+	struct pll_init_data *data = NULL;
+
+	switch (pll) {
+	case MAIN_PLL:
+		data = &main_pll_config;
+		break;
+	case TETRIS_PLL:
+		data = &tetris_pll_config[speed];
+		break;
+	case NSS_PLL:
+		data = &nss_pll_config;
+		break;
+	case UART_PLL:
+		data = &uart_pll_config;
+		break;
+	case DDR3_PLL:
+		data = &ddr_pll_config;
+		break;
+	default:
+		data = NULL;
+	}
+
+	return data;
+}
+
+s16 divn_val[16] = {
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+	init_plls();
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_SPL_BUILD
+void spl_init_keystone_plls(void)
+{
+	init_plls();
+}
+#endif