X-Git-Url: https://git.librecmc.org/?p=oweals%2Fu-boot.git;a=blobdiff_plain;f=board%2FCarMediaLab%2Fflea3%2Fflea3.c;h=61d965f5f65ac6963f379c3a7be8956a28106658;hp=7f5cfc806b48d76f75476928fbabc37d3b9a63a1;hb=c27178ba3649f539c9f1890ea147f4c5415f63b5;hpb=326ea986ac150acdc7656d57fca647db80b50158

diff --git a/board/CarMediaLab/flea3/flea3.c b/board/CarMediaLab/flea3/flea3.c
index 7f5cfc806b..61d965f5f6 100644
--- a/board/CarMediaLab/flea3/flea3.c
+++ b/board/CarMediaLab/flea3/flea3.c
@@ -1,16 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
  *
  * (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
  *
  * Copyright (C) 2011, Stefano Babic <sbabic@denx.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
+#include <init.h>
 #include <asm/io.h>
-#include <asm/errno.h>
+#include <env.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/crm_regs.h>
 #include <asm/arch/iomux-mx35.h>
@@ -19,6 +21,9 @@
 #include <asm/gpio.h>
 #include <asm/arch/sys_proto.h>
 #include <netdev.h>
+#include <fdt_support.h>
+#include <mtd_node.h>
+#include <jffs2/load_kernel.h>
 
 #ifndef CONFIG_BOARD_EARLY_INIT_F
 #error "CONFIG_BOARD_EARLY_INIT_F must be set for this board"
@@ -27,18 +32,6 @@
 #define CCM_CCMR_CONFIG		0x003F4208
 
 #define ESDCTL_DDR2_CONFIG	0x007FFC3F
-#define ESDCTL_0x92220000	0x92220000
-#define ESDCTL_0xA2220000	0xA2220000
-#define ESDCTL_0xB2220000	0xB2220000
-#define ESDCTL_0x82228080	0x82228080
-#define ESDCTL_DDR2_EMR2	0x04000000
-#define ESDCTL_DDR2_EMR3	0x06000000
-#define ESDCTL_PRECHARGE	0x00000400
-#define ESDCTL_DDR2_EN_DLL	0x02000400
-#define ESDCTL_DDR2_RESET_DLL	0x00000333
-#define ESDCTL_DDR2_MR		0x00000233
-#define ESDCTL_DDR2_OCD_DEFAULT 0x02000780
-#define ESDCTL_DELAY_LINE5	0x00F49F00
 
 static inline void dram_wait(unsigned int count)
 {
@@ -58,83 +51,6 @@ int dram_init(void)
 	return 0;
 }
 
-static void board_setup_sdram_bank(u32 start_address)
-
-{
-	struct esdc_regs *esdc = (struct esdc_regs *)ESDCTL_BASE_ADDR;
-	u32 *cfg_reg, *ctl_reg;
-	u32 val;
-
-	switch (start_address) {
-	case CSD0_BASE_ADDR:
-		cfg_reg = &esdc->esdcfg0;
-		ctl_reg = &esdc->esdctl0;
-		break;
-	case CSD1_BASE_ADDR:
-		cfg_reg = &esdc->esdcfg1;
-		ctl_reg = &esdc->esdctl1;
-		break;
-	default:
-		return;
-	}
-
-	/* Initialize MISC register for DDR2 */
-	val = ESDC_MISC_RST | ESDC_MISC_MDDR_EN | ESDC_MISC_MDDR_DL_RST |
-		ESDC_MISC_DDR_EN | ESDC_MISC_DDR2_EN;
-	writel(val, &esdc->esdmisc);
-	val &= ~(ESDC_MISC_RST | ESDC_MISC_MDDR_DL_RST);
-	writel(val, &esdc->esdmisc);
-
-	/*
-	 * according to DDR2 specs, wait a while before
-	 * the PRECHARGE_ALL command
-	 */
-	dram_wait(0x20000);
-
-	/* Load DDR2 config and timing */
-	writel(ESDCTL_DDR2_CONFIG, cfg_reg);
-
-	/* Precharge ALL */
-	writel(ESDCTL_0x92220000,
-		ctl_reg);
-	writel(0xda, start_address + ESDCTL_PRECHARGE);
-
-	/* Load mode */
-	writel(ESDCTL_0xB2220000,
-		ctl_reg);
-	writeb(0xda, start_address + ESDCTL_DDR2_EMR2); /* EMRS2 */
-	writeb(0xda, start_address + ESDCTL_DDR2_EMR3); /* EMRS3 */
-	writeb(0xda, start_address + ESDCTL_DDR2_EN_DLL); /* Enable DLL */
-	writeb(0xda, start_address + ESDCTL_DDR2_RESET_DLL); /* Reset DLL */
-
-	/* Precharge ALL */
-	writel(ESDCTL_0x92220000,
-		ctl_reg);
-	writel(0xda, start_address + ESDCTL_PRECHARGE);
-
-	/* Set mode auto refresh : at least two refresh are required */
-	writel(ESDCTL_0xA2220000,
-		ctl_reg);
-	writel(0xda, start_address);
-	writel(0xda, start_address);
-
-	writel(ESDCTL_0xB2220000,
-		ctl_reg);
-	writeb(0xda, start_address + ESDCTL_DDR2_MR);
-	writeb(0xda, start_address + ESDCTL_DDR2_OCD_DEFAULT);
-
-	/* OCD mode exit */
-	writeb(0xda, start_address + ESDCTL_DDR2_EN_DLL); /* Enable DLL */
-
-	/* Set normal mode */
-	writel(ESDCTL_0x82228080,
-		ctl_reg);
-
-	dram_wait(0x20000);
-
-	/* Do not set delay lines, only for MDDR */
-}
-
 static void board_setup_sdram(void)
 {
 	struct esdc_regs *esdc = (struct esdc_regs *)ESDCTL_BASE_ADDR;
@@ -143,7 +59,9 @@ static void board_setup_sdram(void)
 	writel(0x2000, &esdc->esdctl0);
 	writel(0x2000, &esdc->esdctl1);
 
-	board_setup_sdram_bank(CSD0_BASE_ADDR);
+
+	mx3_setup_sdram_bank(CSD0_BASE_ADDR, ESDCTL_DDR2_CONFIG,
+			     13, 10, 2, 0x8080);
 }
 
 static void setup_iomux_uart3(void)
@@ -206,6 +124,8 @@ static void setup_iomux_fec(void)
 		MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
 		MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
 		MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
+		/* GPIO used to power off ethernet */
+		MX35_PAD_STXFS4__GPIO2_31,
 	};
 
 	/* setup pins for FEC */
@@ -267,6 +187,11 @@ int board_init(void)
 	/* address of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 
+	/* Enable power for ethernet */
+	gpio_direction_output(63, 0);
+
+	udelay(2000);
+
 	return 0;
 }
 
@@ -276,3 +201,24 @@ u32 get_board_rev(void)
 
 	return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
 }
+
+/*
+ * called prior to booting kernel or by 'fdt boardsetup' command
+ *
+ */
+int ft_board_setup(void *blob, bd_t *bd)
+{
+	static const struct node_info nodes[] = {
+		{ "physmap-flash.0", MTD_DEV_TYPE_NOR, },  /* NOR flash */
+		{ "mxc_nand", MTD_DEV_TYPE_NAND, }, /* NAND flash */
+	};
+
+	if (env_get("fdt_noauto")) {
+		puts("   Skiping ft_board_setup (fdt_noauto defined)\n");
+		return 0;
+	}
+
+	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
+
+	return 0;
+}