GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
@@ -0,0 +1,164 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Technexion Ltd.
+ *
+ * Author: Richard Hu <richard.hu@technexion.com>
+ */
+
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/mx7-pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch-mx7/mx7-ddr.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/gpio.h>
+#include <fsl_esdhc_imx.h>
+#include <spl.h>
+
+#if defined(CONFIG_SPL_BUILD)
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+	/* Break into full U-Boot on 'c' */
+	if (serial_tstc() && serial_getc() == 'c')
+		return 1;
+
+	return 0;
+}
+#endif
+
+static struct ddrc ddrc_regs_val = {
+	.mstr		= 0x01040001,
+	.rfshtmg	= 0x00400046,
+	.init1		= 0x00690000,
+	.init0		= 0x00020083,
+	.init3		= 0x09300004,
+	.init4		= 0x04080000,
+	.init5		= 0x00100004,
+	.rankctl	= 0x0000033F,
+	.dramtmg0	= 0x09081109,
+	.dramtmg1	= 0x0007020d,
+	.dramtmg2	= 0x03040407,
+	.dramtmg3	= 0x00002006,
+	.dramtmg4	= 0x04020205,
+	.dramtmg5	= 0x03030202,
+	.dramtmg8	= 0x00000803,
+	.zqctl0		= 0x00800020,
+	.dfitmg0	= 0x02098204,
+	.dfitmg1	= 0x00030303,
+	.dfiupd0	= 0x80400003,
+	.dfiupd1	= 0x00100020,
+	.dfiupd2	= 0x80100004,
+	.addrmap4	= 0x00000F0F,
+	.odtcfg		= 0x06000604,
+	.odtmap		= 0x00000001,
+	.rfshtmg	= 0x00400046,
+	.dramtmg0	= 0x09081109,
+	.addrmap0	= 0x0000001f,
+	.addrmap1	= 0x00080808,
+	.addrmap4	= 0x00000f0f,
+	.addrmap5	= 0x07070707,
+	.addrmap6	= 0x0f0f0707,
+};
+
+static struct ddrc_mp ddrc_mp_val = {
+	.pctrl_0	= 0x00000001,
+};
+
+static struct ddr_phy ddr_phy_regs_val = {
+	.phy_con0	= 0x17420f40,
+	.phy_con1	= 0x10210100,
+	.phy_con4	= 0x00060807,
+	.mdll_con0	= 0x1010007e,
+	.drvds_con0	= 0x00000d6e,
+	.cmd_sdll_con0	= 0x00000010,
+	.offset_lp_con0	= 0x0000000f,
+	.offset_rd_con0	= 0x08080808,
+	.offset_wr_con0	= 0x08080808,
+};
+
+static struct mx7_calibration calib_param = {
+	.num_val	= 5,
+	.values		= {
+		0x0E407304,
+		0x0E447304,
+		0x0E447306,
+		0x0E447304,
+		0x0E447304,
+	},
+};
+
+static void gpr_init(void)
+{
+	struct iomuxc_gpr_base_regs *gpr_regs =
+		(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
+	writel(0x4F400005, &gpr_regs->gpr[1]);
+}
+
+static bool is_1g(void)
+{
+	gpio_direction_input(IMX_GPIO_NR(1, 12));
+	return !gpio_get_value(IMX_GPIO_NR(1, 12));
+}
+
+static void ddr_init(void)
+{
+	if (is_1g())
+		ddrc_regs_val.addrmap6	= 0x0f070707;
+
+	mx7_dram_cfg(&ddrc_regs_val, &ddrc_mp_val, &ddr_phy_regs_val,
+		     &calib_param);
+}
+
+void board_init_f(ulong dummy)
+{
+	arch_cpu_init();
+	gpr_init();
+	board_early_init_f();
+	timer_init();
+	preloader_console_init();
+	ddr_init();
+	memset(__bss_start, 0, __bss_end - __bss_start);
+	board_init_r(NULL, 0);
+}
+
+void reset_cpu(ulong addr)
+{
+}
+
+#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
+	PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
+
+static iomux_v3_cfg_t const usdhc3_pads[] = {
+	MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_GPIO1_IO14__GPIO1_IO14 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+static struct fsl_esdhc_cfg usdhc_cfg[1] = {
+	{USDHC3_BASE_ADDR},
+};
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+	/* Assume uSDHC3 emmc is always present */
+	return 1;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+	usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+}
+#endif