1 files changed, 427 insertions, 0 deletions
diff --git a/roms/u-boot/board/phytec/pcm052/pcm052.c b/roms/u-boot/board/phytec/pcm052/pcm052.c
new file mode 100644
index 000000000..f9cf4abd4
--- /dev/null
+++ b/roms/u-boot/board/phytec/pcm052/pcm052.c
@@ -0,0 +1,427 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2018
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de.
+ *
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <init.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux-vf610.h>
+#include <asm/arch/ddrmc-vf610.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+#include <env.h>
+#include <led.h>
+#include <miiphy.h>
+#include <linux/bitops.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct ddrmc_cr_setting pcm052_cr_settings[] = {
+	/* not in the datasheets, but in the original code */
+	{ 0x00002000, 105 },
+	{ 0x00000020, 110 },
+	/* AXI */
+	{ DDRMC_CR117_AXI0_W_PRI(1) | DDRMC_CR117_AXI0_R_PRI(1), 117 },
+	{ DDRMC_CR118_AXI1_W_PRI(1) | DDRMC_CR118_AXI1_R_PRI(1), 118 },
+	{ DDRMC_CR120_AXI0_PRI1_RPRI(2) |
+		   DDRMC_CR120_AXI0_PRI0_RPRI(2), 120 },
+	{ DDRMC_CR121_AXI0_PRI3_RPRI(2) |
+		   DDRMC_CR121_AXI0_PRI2_RPRI(2), 121 },
+	{ DDRMC_CR122_AXI1_PRI1_RPRI(1) | DDRMC_CR122_AXI1_PRI0_RPRI(1) |
+		   DDRMC_CR122_AXI0_PRIRLX(100), 122 },
+	{ DDRMC_CR123_AXI1_P_ODR_EN | DDRMC_CR123_AXI1_PRI3_RPRI(1) |
+		   DDRMC_CR123_AXI1_PRI2_RPRI(1), 123 },
+	{ DDRMC_CR124_AXI1_PRIRLX(100), 124 },
+	{ DDRMC_CR126_PHY_RDLAT(11), 126 },
+	{ DDRMC_CR132_WRLAT_ADJ(5) | DDRMC_CR132_RDLAT_ADJ(6), 132 },
+	{ DDRMC_CR137_PHYCTL_DL(2), 137 },
+	{ DDRMC_CR139_PHY_WRLV_RESPLAT(4) | DDRMC_CR139_PHY_WRLV_LOAD(7) |
+		   DDRMC_CR139_PHY_WRLV_DLL(3) |
+		   DDRMC_CR139_PHY_WRLV_EN(3), 139 },
+	{ DDRMC_CR154_PAD_ZQ_EARLY_CMP_EN_TIMER(13) |
+		   DDRMC_CR154_PAD_ZQ_MODE(1) |
+		   DDRMC_CR154_DDR_SEL_PAD_CONTR(3) |
+		   DDRMC_CR154_PAD_ZQ_HW_FOR(0), 154 },
+	{ DDRMC_CR155_PAD_ODT_BYTE1(5) | DDRMC_CR155_PAD_ODT_BYTE0(5), 155 },
+	{ DDRMC_CR158_TWR(6), 158 },
+	{ DDRMC_CR161_ODT_EN(0) | DDRMC_CR161_TODTH_RD(0) |
+		   DDRMC_CR161_TODTH_WR(6), 161 },
+	/* end marker */
+	{ 0, -1 }
+};
+
+/* PHY settings -- most of them differ from default in imx-regs.h */
+
+#define PCM052_DDRMC_PHY_DQ_TIMING			0x00002213
+#define PCM052_DDRMC_PHY_CTRL				0x00290000
+#define PCM052_DDRMC_PHY_SLAVE_CTRL			0x00002c00
+#define PCM052_DDRMC_PHY_PROC_PAD_ODT			0x00010020
+
+static struct ddrmc_phy_setting pcm052_phy_settings[] = {
+	{ PCM052_DDRMC_PHY_DQ_TIMING,  0 },
+	{ PCM052_DDRMC_PHY_DQ_TIMING, 16 },
+	{ PCM052_DDRMC_PHY_DQ_TIMING, 32 },
+	{ PCM052_DDRMC_PHY_DQ_TIMING, 48 },
+	{ DDRMC_PHY_DQS_TIMING,  1 },
+	{ DDRMC_PHY_DQS_TIMING, 17 },
+	{ DDRMC_PHY_DQS_TIMING, 33 },
+	{ DDRMC_PHY_DQS_TIMING, 49 },
+	{ PCM052_DDRMC_PHY_CTRL,  2 },
+	{ PCM052_DDRMC_PHY_CTRL, 18 },
+	{ PCM052_DDRMC_PHY_CTRL, 34 },
+	{ DDRMC_PHY_MASTER_CTRL,  3 },
+	{ DDRMC_PHY_MASTER_CTRL, 19 },
+	{ DDRMC_PHY_MASTER_CTRL, 35 },
+	{ PCM052_DDRMC_PHY_SLAVE_CTRL,  4 },
+	{ PCM052_DDRMC_PHY_SLAVE_CTRL, 20 },
+	{ PCM052_DDRMC_PHY_SLAVE_CTRL, 36 },
+	{ DDRMC_PHY50_DDR3_MODE | DDRMC_PHY50_EN_SW_HALF_CYCLE, 50 },
+	{ PCM052_DDRMC_PHY_PROC_PAD_ODT, 52 },
+
+	/* end marker */
+	{ 0, -1 }
+};
+
+int dram_init(void)
+{
+#if defined(CONFIG_TARGET_PCM052)
+
+	static const struct ddr3_jedec_timings pcm052_ddr_timings = {
+		.tinit             = 5,
+		.trst_pwron        = 80000,
+		.cke_inactive      = 200000,
+		.wrlat             = 5,
+		.caslat_lin        = 12,
+		.trc               = 6,
+		.trrd              = 4,
+		.tccd              = 4,
+		.tbst_int_interval = 4,
+		.tfaw              = 18,
+		.trp               = 6,
+		.twtr              = 4,
+		.tras_min          = 15,
+		.tmrd              = 4,
+		.trtp              = 4,
+		.tras_max          = 14040,
+		.tmod              = 12,
+		.tckesr            = 4,
+		.tcke              = 3,
+		.trcd_int          = 6,
+		.tras_lockout      = 1,
+		.tdal              = 10,
+		.bstlen            = 3,
+		.tdll              = 512,
+		.trp_ab            = 6,
+		.tref              = 1542,
+		.trfc              = 64,
+		.tref_int          = 5,
+		.tpdex             = 3,
+		.txpdll            = 10,
+		.txsnr             = 68,
+		.txsr              = 506,
+		.cksrx             = 5,
+		.cksre             = 5,
+		.freq_chg_en       = 1,
+		.zqcl              = 256,
+		.zqinit            = 512,
+		.zqcs              = 64,
+		.ref_per_zq        = 64,
+		.zqcs_rotate       = 1,
+		.aprebit           = 10,
+		.cmd_age_cnt       = 255,
+		.age_cnt           = 255,
+		.q_fullness        = 0,
+		.odt_rd_mapcs0     = 1,
+		.odt_wr_mapcs0     = 1,
+		.wlmrd             = 40,
+		.wldqsen           = 25,
+	};
+
+    const int row_diff = 2;
+
+#elif defined(CONFIG_TARGET_BK4R1)
+
+	static const struct ddr3_jedec_timings pcm052_ddr_timings = {
+		.tinit             = 5,
+		.trst_pwron        = 80000,
+		.cke_inactive      = 200000,
+		.wrlat             = 5,
+		.caslat_lin        = 12,
+		.trc               = 6,
+		.trrd              = 4,
+		.tccd              = 4,
+		.tbst_int_interval = 0,
+		.tfaw              = 16,
+		.trp               = 6,
+		.twtr              = 4,
+		.tras_min          = 15,
+		.tmrd              = 4,
+		.trtp              = 4,
+		.tras_max          = 28080,
+		.tmod              = 12,
+		.tckesr            = 4,
+		.tcke              = 3,
+		.trcd_int          = 6,
+		.tras_lockout      = 1,
+		.tdal              = 12,
+		.bstlen            = 3,
+		.tdll              = 512,
+		.trp_ab            = 6,
+		.tref              = 3120,
+		.trfc              = 104,
+		.tref_int          = 0,
+		.tpdex             = 3,
+		.txpdll            = 10,
+		.txsnr             = 108,
+		.txsr              = 512,
+		.cksrx             = 5,
+		.cksre             = 5,
+		.freq_chg_en       = 1,
+		.zqcl              = 256,
+		.zqinit            = 512,
+		.zqcs              = 64,
+		.ref_per_zq        = 64,
+		.zqcs_rotate       = 1,
+		.aprebit           = 10,
+		.cmd_age_cnt       = 255,
+		.age_cnt           = 255,
+		.q_fullness        = 0,
+		.odt_rd_mapcs0     = 1,
+		.odt_wr_mapcs0     = 1,
+		.wlmrd             = 40,
+		.wldqsen           = 25,
+	};
+
+    const int row_diff = 1;
+
+#else /* Unknown PCM052 variant */
+
+#error DDR characteristics undefined for this target. Please define them.
+
+#endif
+
+	ddrmc_ctrl_init_ddr3(&pcm052_ddr_timings, pcm052_cr_settings,
+			     pcm052_phy_settings, 1, row_diff);
+
+	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+
+	return 0;
+}
+
+static void clock_init(void)
+{
+	struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
+	struct anadig_reg *anadig = (struct anadig_reg *)ANADIG_BASE_ADDR;
+
+	clrsetbits_le32(&ccm->ccgr0, CCM_REG_CTRL_MASK,
+			CCM_CCGR0_UART1_CTRL_MASK);
+	clrsetbits_le32(&ccm->ccgr1, CCM_REG_CTRL_MASK,
+			CCM_CCGR1_PIT_CTRL_MASK | CCM_CCGR1_WDOGA5_CTRL_MASK);
+	clrsetbits_le32(&ccm->ccgr2, CCM_REG_CTRL_MASK,
+			CCM_CCGR2_IOMUXC_CTRL_MASK | CCM_CCGR2_PORTA_CTRL_MASK |
+			CCM_CCGR2_PORTB_CTRL_MASK | CCM_CCGR2_PORTC_CTRL_MASK |
+			CCM_CCGR2_PORTD_CTRL_MASK | CCM_CCGR2_PORTE_CTRL_MASK |
+			CCM_CCGR2_QSPI0_CTRL_MASK);
+	clrsetbits_le32(&ccm->ccgr3, CCM_REG_CTRL_MASK,
+			CCM_CCGR3_ANADIG_CTRL_MASK | CCM_CCGR3_SCSC_CTRL_MASK);
+	clrsetbits_le32(&ccm->ccgr4, CCM_REG_CTRL_MASK,
+			CCM_CCGR4_WKUP_CTRL_MASK | CCM_CCGR4_CCM_CTRL_MASK |
+			CCM_CCGR4_GPC_CTRL_MASK);
+	clrsetbits_le32(&ccm->ccgr6, CCM_REG_CTRL_MASK,
+			CCM_CCGR6_OCOTP_CTRL_MASK | CCM_CCGR6_DDRMC_CTRL_MASK);
+	clrsetbits_le32(&ccm->ccgr7, CCM_REG_CTRL_MASK,
+			CCM_CCGR7_SDHC1_CTRL_MASK);
+	clrsetbits_le32(&ccm->ccgr9, CCM_REG_CTRL_MASK,
+			CCM_CCGR9_FEC0_CTRL_MASK | CCM_CCGR9_FEC1_CTRL_MASK);
+	clrsetbits_le32(&ccm->ccgr10, CCM_REG_CTRL_MASK,
+			CCM_CCGR10_NFC_CTRL_MASK);
+
+	clrsetbits_le32(&anadig->pll2_ctrl, ANADIG_PLL2_CTRL_POWERDOWN,
+			ANADIG_PLL2_CTRL_ENABLE | ANADIG_PLL2_CTRL_DIV_SELECT);
+	clrsetbits_le32(&anadig->pll1_ctrl, ANADIG_PLL1_CTRL_POWERDOWN,
+			ANADIG_PLL1_CTRL_ENABLE | ANADIG_PLL1_CTRL_DIV_SELECT);
+
+	clrsetbits_le32(&ccm->ccr, CCM_CCR_OSCNT_MASK,
+			CCM_CCR_FIRC_EN | CCM_CCR_OSCNT(5));
+	clrsetbits_le32(&ccm->ccsr, CCM_REG_CTRL_MASK,
+			CCM_CCSR_PLL1_PFD_CLK_SEL(3) | CCM_CCSR_PLL2_PFD4_EN |
+			CCM_CCSR_PLL2_PFD3_EN | CCM_CCSR_PLL2_PFD2_EN |
+			CCM_CCSR_PLL2_PFD1_EN | CCM_CCSR_PLL1_PFD4_EN |
+			CCM_CCSR_PLL1_PFD3_EN | CCM_CCSR_PLL1_PFD2_EN |
+			CCM_CCSR_PLL1_PFD1_EN | CCM_CCSR_DDRC_CLK_SEL(1) |
+			CCM_CCSR_FAST_CLK_SEL(1) | CCM_CCSR_SYS_CLK_SEL(4));
+	clrsetbits_le32(&ccm->cacrr, CCM_REG_CTRL_MASK,
+			CCM_CACRR_IPG_CLK_DIV(1) | CCM_CACRR_BUS_CLK_DIV(2) |
+			CCM_CACRR_ARM_CLK_DIV(0));
+	clrsetbits_le32(&ccm->cscmr1, CCM_REG_CTRL_MASK,
+			CCM_CSCMR1_ESDHC1_CLK_SEL(3) |
+			CCM_CSCMR1_QSPI0_CLK_SEL(3) |
+			CCM_CSCMR1_NFC_CLK_SEL(0));
+	clrsetbits_le32(&ccm->cscdr1, CCM_REG_CTRL_MASK,
+			CCM_CSCDR1_RMII_CLK_EN);
+	clrsetbits_le32(&ccm->cscdr2, CCM_REG_CTRL_MASK,
+			CCM_CSCDR2_ESDHC1_EN | CCM_CSCDR2_ESDHC1_CLK_DIV(0) |
+			CCM_CSCDR2_NFC_EN);
+	clrsetbits_le32(&ccm->cscdr3, CCM_REG_CTRL_MASK,
+			CCM_CSCDR3_QSPI0_EN | CCM_CSCDR3_QSPI0_DIV(1) |
+			CCM_CSCDR3_QSPI0_X2_DIV(1) |
+			CCM_CSCDR3_QSPI0_X4_DIV(3) |
+			CCM_CSCDR3_NFC_PRE_DIV(5));
+	clrsetbits_le32(&ccm->cscmr2, CCM_REG_CTRL_MASK,
+			CCM_CSCMR2_RMII_CLK_SEL(0));
+}
+
+static void mscm_init(void)
+{
+	struct mscm_ir *mscmir = (struct mscm_ir *)MSCM_IR_BASE_ADDR;
+	int i;
+
+	for (i = 0; i < MSCM_IRSPRC_NUM; i++)
+		writew(MSCM_IRSPRC_CP0_EN, &mscmir->irsprc[i]);
+}
+
+int board_early_init_f(void)
+{
+	clock_init();
+	mscm_init();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	struct scsc_reg *scsc = (struct scsc_reg *)SCSC_BASE_ADDR;
+
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	/*
+	 * Enable external 32K Oscillator
+	 *
+	 * The internal clock experiences significant drift
+	 * so we must use the external oscillator in order
+	 * to maintain correct time in the hwclock
+	 */
+	setbits_le32(&scsc->sosc_ctr, SCSC_SOSC_CTR_SOSC_EN);
+
+	return 0;
+}
+
+#ifdef CONFIG_TARGET_BK4R1
+void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
+{
+	struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+	struct fuse_bank *bank = &ocotp->bank[4];
+	struct fuse_bank4_regs *fuse =
+		(struct fuse_bank4_regs *)bank->fuse_regs;
+	u32 value;
+
+	/*
+	 * BK4 has different layout of stored MAC address
+	 * than one used in imx_get_mac_from_fuse() @ generic.c
+	 */
+
+	switch (dev_id) {
+	case 0:
+		value = readl(&fuse->mac_addr1);
+
+		mac[0] = value >> 8;
+		mac[1] = value;
+
+		value = readl(&fuse->mac_addr0);
+		mac[2] = value >> 24;
+		mac[3] = value >> 16;
+		mac[4] = value >> 8;
+		mac[5] = value;
+		break;
+	case 1:
+		value = readl(&fuse->mac_addr2);
+
+		mac[0] = value >> 24;
+		mac[1] = value >> 16;
+		mac[2] = value >> 8;
+		mac[3] = value;
+
+		value = readl(&fuse->mac_addr1);
+		mac[4] = value >> 24;
+		mac[5] = value >> 16;
+		break;
+	}
+}
+
+int board_late_init(void)
+{
+	struct src *psrc = (struct src *)SRC_BASE_ADDR;
+	u32 reg;
+
+	if (IS_ENABLED(CONFIG_LED))
+		led_default_state();
+
+	/*
+	 * BK4r1 handle emergency/service SD card boot
+	 * Checking the SBMR1 register BOOTCFG1 byte:
+	 * NAND:
+	 *      bit [2] - NAND data width - 16
+	 *	bit [5] - NAND fast boot
+	 *	bit [7] = 1 - NAND as a source of booting
+	 * SD card (0x64):
+	 *      bit [4] = 0 - SD card source
+	 *	bit [6] = 1 - SD/MMC source
+	 */
+
+	reg = readl(&psrc->sbmr1);
+	if ((reg & SRC_SBMR1_BOOTCFG1_SDMMC) &&
+	    !(reg & SRC_SBMR1_BOOTCFG1_MMC)) {
+		printf("------ SD card boot -------\n");
+		env_set_default("!LVFBootloader", 0);
+		env_set("bootcmd",
+			"run prepare_install_bk4r1_envs; run install_bk4r1rs");
+	}
+
+	return 0;
+}
+
+/**
+ * KSZ8081
+ */
+#define MII_KSZ8081_REFERENCE_CLOCK_SELECT	0x1f
+#define RMII_50MHz_CLOCK	0x8180
+
+int board_phy_config(struct phy_device *phydev)
+{
+	/* Set 50 MHz reference clock */
+	phy_write(phydev, MDIO_DEVAD_NONE, MII_KSZ8081_REFERENCE_CLOCK_SELECT,
+		  RMII_50MHz_CLOCK);
+
+	return genphy_config(phydev);
+}
+#endif /* CONFIG_TARGET_BK4R1 */
+
+int checkboard(void)
+{
+#ifdef CONFIG_TARGET_BK4R1
+	u32 *gpio3_pdir = (u32 *)(GPIO3_BASE_ADDR + 0x10);
+
+	/*
+	 * USB_RESET_N (PTC30 - GPIO103 - PORT3[7]):
+	 * L333 -> pull up added -> read 1
+	 * L320 -> no pull up -> read 0
+	 *
+	 * Default iomuxc_ptc30 value after reset: 0x300061 -> RCON28
+	 * - input enabled, pull (up/down) disabled
+	 */
+	if (*gpio3_pdir & BIT(7))
+		puts("Board: BK4r1 (L333)\n");
+	else
+		puts("Board: BK4r1 (L320)\n");
+#else
+	puts("Board: PCM-052\n");
+#endif
+	return 0;
+}