1 files changed, 180 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/uniphier/support_card.c b/arch/arm/cpu/armv7/uniphier/support_card.c
new file mode 100644
index 0000000000..40d49409c2
--- /dev/null
+++ b/arch/arm/cpu/armv7/uniphier/support_card.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright (C) 2012-2014 Panasonic Corporation
+ *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/board.h>
+
+#if defined(CONFIG_PFC_MICRO_SUPPORT_CARD)
+
+#define PFC_MICRO_SUPPORT_CARD_RESET	\
+				((CONFIG_SUPPORT_CARD_BASE) + 0x000D0034)
+#define PFC_MICRO_SUPPORT_CARD_REVISION	\
+				((CONFIG_SUPPORT_CARD_BASE) + 0x000D00E0)
+/*
+ * 0: reset deassert, 1: reset
+ *
+ * bit[0]: LAN, I2C, LED
+ * bit[1]: UART
+ */
+void support_card_reset_deassert(void)
+{
+	writel(0, PFC_MICRO_SUPPORT_CARD_RESET);
+}
+
+void support_card_reset(void)
+{
+	writel(3, PFC_MICRO_SUPPORT_CARD_RESET);
+}
+
+static int support_card_show_revision(void)
+{
+	u32 revision;
+
+	revision = readl(PFC_MICRO_SUPPORT_CARD_REVISION);
+	printf("(PFC CPLD version %d.%d)\n", revision >> 4, revision & 0xf);
+	return 0;
+}
+#endif
+
+#if defined(CONFIG_DCC_MICRO_SUPPORT_CARD)
+
+#define DCC_MICRO_SUPPORT_CARD_RESET_LAN	\
+				((CONFIG_SUPPORT_CARD_BASE) + 0x00401300)
+#define DCC_MICRO_SUPPORT_CARD_RESET_UART	\
+				((CONFIG_SUPPORT_CARD_BASE) + 0x00401304)
+#define DCC_MICRO_SUPPORT_CARD_RESET_I2C	\
+				((CONFIG_SUPPORT_CARD_BASE) + 0x00401308)
+#define DCC_MICRO_SUPPORT_CARD_REVISION		\
+				((CONFIG_SUPPORT_CARD_BASE) + 0x005000E0)
+
+void support_card_reset_deassert(void)
+{
+	writel(1, DCC_MICRO_SUPPORT_CARD_RESET_LAN); /* LAN and LED */
+	writel(1, DCC_MICRO_SUPPORT_CARD_RESET_UART); /* UART */
+	writel(1, DCC_MICRO_SUPPORT_CARD_RESET_I2C); /* I2C */
+}
+
+void support_card_reset(void)
+{
+	writel(0, DCC_MICRO_SUPPORT_CARD_RESET_LAN); /* LAN and LED */
+	writel(0, DCC_MICRO_SUPPORT_CARD_RESET_UART); /* UART */
+	writel(0, DCC_MICRO_SUPPORT_CARD_RESET_I2C); /* I2C */
+}
+
+static int support_card_show_revision(void)
+{
+	u32 revision;
+
+	revision = readl(DCC_MICRO_SUPPORT_CARD_REVISION);
+
+	if (revision >= 0x67) {
+		printf("(DCC CPLD version 3.%d.%d)\n",
+		       revision >> 4, revision & 0xf);
+		return 0;
+	} else {
+		printf("(DCC CPLD unknown version)\n");
+		return -1;
+	}
+}
+#endif
+
+void support_card_init(void)
+{
+	/*
+	 * After power on, we need to keep the LAN controller in reset state
+	 * for a while. (200 usec)
+	 * Fortunatelly, enough wait time is already inserted in pll_init()
+	 * function. So we do not have to wait here.
+	 */
+	support_card_reset_deassert();
+}
+
+int check_support_card(void)
+{
+	printf("SC:    Micro Support Card ");
+	return support_card_show_revision();
+}
+
+#if defined(CONFIG_SMC911X)
+#include <netdev.h>
+
+int board_eth_init(bd_t *bis)
+{
+	return smc911x_initialize(0, CONFIG_SMC911X_BASE);
+}
+#endif
+
+#if !defined(CONFIG_SYS_NO_FLASH)
+
+#include <mtd/cfi_flash.h>
+
+#if CONFIG_SYS_MAX_FLASH_BANKS > 1
+static phys_addr_t flash_banks_list[CONFIG_SYS_MAX_FLASH_BANKS] =
+					CONFIG_SYS_FLASH_BANKS_LIST;
+
+phys_addr_t cfi_flash_bank_addr(int i)
+{
+	return flash_banks_list[i];
+}
+#endif
+
+int mem_is_flash(phys_addr_t base)
+{
+	const int loop = 128;
+	u32 *scratch_addr;
+	u32 saved_value;
+	int ret = 1;
+	int i;
+
+	scratch_addr = map_physmem(base + 0x01e00000,
+					sizeof(u32) * loop, MAP_NOCACHE);
+
+	for (i = 0; i < loop; i++, scratch_addr++) {
+		saved_value = readl(scratch_addr);
+		writel(~saved_value, scratch_addr);
+		if (readl(scratch_addr) != saved_value) {
+			/* We assume no memory or SRAM here. */
+			writel(saved_value, scratch_addr);
+			ret = 0;
+			break;
+		}
+	}
+
+	unmap_physmem(scratch_addr, MAP_NOCACHE);
+
+	return ret;
+}
+
+int board_flash_wp_on(void)
+{
+	int i;
+	int ret = 1;
+
+	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
+		if (mem_is_flash(cfi_flash_bank_addr(i))) {
+			/*
+			 * We found at least one flash.
+			 * We need to return 0 and call flash_init().
+			 */
+			ret = 0;
+		}
+#if CONFIG_SYS_MAX_FLASH_BANKS > 1
+		else {
+			/*
+			 * We might have a SRAM here.
+			 * To prevent SRAM data from being destroyed,
+			 * we set dummy address (SDRAM).
+			 */
+			flash_banks_list[i] = 0x80000000 + 0x10000 * i;
+		}
+#endif
+	}
+
+	return ret;
+}
+#endif