rk3568 rt uboot init

hc

2023-11-06 9df731a176aab8e03b984b681b1bea01ccff6644

 u-boot/arch/arm/mach-rockchip/rv1106/rv1106.c
..
..
@@ -7,6 +7,9 @@
7
7
 #include <boot_rkimg.h>
8
8
 #include <cli.h>
9
9
 #include <debug_uart.h>
10
+#include <miiphy.h>
11
+#include <syscon.h>
12
+#include <asm/arch/clock.h>
10
13
 #include <asm/io.h>
11
14
 #include <asm/arch/hardware.h>
12
15
 #include <asm/arch/grf_rv1106.h>
..
..
@@ -538,15 +541,65 @@
538
541
 }
539
542
 #endif
540
543
 
541
-int rk_board_late_init(void)
542
-{
543
-#if defined(CONFIG_CMD_SCRIPT_UPDATE)
544
-	struct blk_desc *desc;
544
+#if (defined CONFIG_MII || defined CONFIG_CMD_MII || defined CONFIG_PHYLIB)
545
+#define GMAC_NODE_FDT_PATH		"/ethernet@ffa80000"
546
+#define RK630_MII_NAME			"ethernet@ffa80000"
547
+#define	PHY_ADDR			2
548
+#define	PAGE_SWITCH			0x1f
549
+#define	DISABLE_APS_REG			0x12
550
+#define	DISABLE_APS_VAL			0x4824
551
+#define	PHYAFE_PDCW_REG			0x1c
552
+#define	PHYAFE_PDCW_VAL			0x8880
553
+#define	PD_ANALOG_REG			0x0
554
+#define PD_ANALOG_VAL			0x3900
555
+#define RV1106_MACPHY_SHUTDOWN		BIT(1)
556
+#define RV1106_MACPHY_ENABLE_MASK	BIT(1)
545
557
 
546
-	desc = rockchip_get_bootdev();
547
-	if (desc && desc->if_type == IF_TYPE_MMC && desc->devnum == 1)
548
-		run_command("sd_update", 0);
549
-#endif
558
+static int rk_board_fdt_pwrdn_gmac(const void *blob)
559
+{
560
+	void *fdt = (void *)gd->fdt_blob;
561
+	struct rv1106_grf *grf;
562
+	int gmac_node;
563
+
564
+	/* Turn off GMAC FEPHY to reduce chip power consumption at uboot level,
565
+	 * if the gmac node is disabled at kernel dtb. RV1106/1103 has the
566
+	 * internal gmac phy, u-boot.dtb defines and enables the gmac node
567
+	 * by default, so even if the gmac node of the kernel dts is disabled,
568
+	 * U-Boot will enable and initialize the gmac phy. So it is not okay
569
+	 * to turn off gmac phy by default in arch_cpu_init(), need to turn off
570
+	 * gmac phy in the current function.
571
+	 */
572
+	gmac_node = fdt_path_offset(gd->fdt_blob, GMAC_NODE_FDT_PATH);
573
+	if (fdt_stringlist_search(fdt, gmac_node, "status", "disabled") >= 0) {
574
+		/* switch to page 1 */
575
+		miiphy_write(RK630_MII_NAME, PHY_ADDR, PAGE_SWITCH, 0x0100);
576
+		miiphy_write(RK630_MII_NAME, PHY_ADDR, DISABLE_APS_REG,
577
+			     DISABLE_APS_VAL);
578
+		/* switch to pae 6 */
579
+		miiphy_write(RK630_MII_NAME, PHY_ADDR, PAGE_SWITCH, 0x0600);
580
+		miiphy_write(RK630_MII_NAME, PHY_ADDR, PHYAFE_PDCW_REG,
581
+			     PHYAFE_PDCW_VAL);
582
+		/* switch to page 0 */
583
+		miiphy_write(RK630_MII_NAME, PHY_ADDR, PAGE_SWITCH, 0x0000);
584
+		miiphy_write(RK630_MII_NAME, PHY_ADDR, PD_ANALOG_REG,
585
+			     PD_ANALOG_VAL);
586
+
587
+		grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
588
+		if (grf)
589
+			rk_clrsetreg(&grf->macphy_con0,
590
+				     RV1106_MACPHY_ENABLE_MASK,
591
+				     RV1106_MACPHY_SHUTDOWN);
592
+	}
593
+
550
594
 	return 0;
551
595
 }
596
+#endif
552
597
 
598
+int rk_board_fdt_fixup(const void *blob)
599
+{
600
+#if (defined CONFIG_MII || defined CONFIG_CMD_MII || defined CONFIG_PHYLIB)
601
+	rk_board_fdt_pwrdn_gmac(blob);
602
+#endif
603
+
604
+	return 0;
605
+}