1 files changed, 208 insertions, 0 deletions
diff --git a/board/imgtec/malta/malta.c b/board/imgtec/malta/malta.c
new file mode 100644
index 0000000000..a1a4c01866
--- /dev/null
+++ b/board/imgtec/malta/malta.c
@@ -0,0 +1,208 @@
+/*
+ * Copyright (C) 2013 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2013 Imagination Technologies
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <pci.h>
+#include <pci_gt64120.h>
+#include <pci_msc01.h>
+#include <rtc.h>
+#include <serial.h>
+
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/malta.h>
+
+#include "superio.h"
+
+enum core_card {
+	CORE_UNKNOWN,
+	CORE_LV,
+	CORE_FPGA6,
+};
+
+enum sys_con {
+	SYSCON_UNKNOWN,
+	SYSCON_GT64120,
+	SYSCON_MSC01,
+};
+
+static void malta_lcd_puts(const char *str)
+{
+	int i;
+	void *reg = (void *)CKSEG1ADDR(MALTA_ASCIIPOS0);
+
+	/* print up to 8 characters of the string */
+	for (i = 0; i < min(strlen(str), 8); i++) {
+		__raw_writel(str[i], reg);
+		reg += MALTA_ASCIIPOS1 - MALTA_ASCIIPOS0;
+	}
+
+	/* fill the rest of the display with spaces */
+	for (; i < 8; i++) {
+		__raw_writel(' ', reg);
+		reg += MALTA_ASCIIPOS1 - MALTA_ASCIIPOS0;
+	}
+}
+
+static enum core_card malta_core_card(void)
+{
+	u32 corid, rev;
+
+	rev = __raw_readl(CKSEG1ADDR(MALTA_REVISION));
+	corid = (rev & MALTA_REVISION_CORID_MSK) >> MALTA_REVISION_CORID_SHF;
+
+	switch (corid) {
+	case MALTA_REVISION_CORID_CORE_LV:
+		return CORE_LV;
+
+	case MALTA_REVISION_CORID_CORE_FPGA6:
+		return CORE_FPGA6;
+
+	default:
+		return CORE_UNKNOWN;
+	}
+}
+
+static enum sys_con malta_sys_con(void)
+{
+	switch (malta_core_card()) {
+	case CORE_LV:
+		return SYSCON_GT64120;
+
+	case CORE_FPGA6:
+		return SYSCON_MSC01;
+
+	default:
+		return SYSCON_UNKNOWN;
+	}
+}
+
+phys_size_t initdram(int board_type)
+{
+	return CONFIG_SYS_MEM_SIZE;
+}
+
+int checkboard(void)
+{
+	enum core_card core;
+
+	malta_lcd_puts("U-boot");
+	puts("Board: MIPS Malta");
+
+	core = malta_core_card();
+	switch (core) {
+	case CORE_LV:
+		puts(" CoreLV");
+		break;
+
+	case CORE_FPGA6:
+		puts(" CoreFPGA6");
+		break;
+
+	default:
+		puts(" CoreUnknown");
+	}
+
+	putc('\n');
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	return pci_eth_init(bis);
+}
+
+void _machine_restart(void)
+{
+	void __iomem *reset_base;
+
+	reset_base = (void __iomem *)CKSEG1ADDR(MALTA_RESET_BASE);
+	__raw_writel(GORESET, reset_base);
+}
+
+int board_early_init_f(void)
+{
+	void *io_base;
+
+	/* choose correct PCI I/O base */
+	switch (malta_sys_con()) {
+	case SYSCON_GT64120:
+		io_base = (void *)CKSEG1ADDR(MALTA_GT_PCIIO_BASE);
+		break;
+
+	case SYSCON_MSC01:
+		io_base = (void *)CKSEG1ADDR(MALTA_MSC01_PCIIO_BASE);
+		break;
+
+	default:
+		return -1;
+	}
+
+	/* setup FDC37M817 super I/O controller */
+	malta_superio_init(io_base);
+
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	rtc_reset();
+
+	return 0;
+}
+
+struct serial_device *default_serial_console(void)
+{
+	switch (malta_sys_con()) {
+	case SYSCON_GT64120:
+		return &eserial1_device;
+
+	default:
+	case SYSCON_MSC01:
+		return &eserial2_device;
+	}
+}
+
+void pci_init_board(void)
+{
+	pci_dev_t bdf;
+
+	switch (malta_sys_con()) {
+	case SYSCON_GT64120:
+		set_io_port_base(CKSEG1ADDR(MALTA_GT_PCIIO_BASE));
+
+		gt64120_pci_init((void *)CKSEG1ADDR(MALTA_GT_BASE),
+				 0x00000000, 0x00000000, CONFIG_SYS_MEM_SIZE,
+				 0x10000000, 0x10000000, 128 * 1024 * 1024,
+				 0x00000000, 0x00000000, 0x20000);
+		break;
+
+	default:
+	case SYSCON_MSC01:
+		set_io_port_base(CKSEG1ADDR(MALTA_MSC01_PCIIO_BASE));
+
+		msc01_pci_init((void *)CKSEG1ADDR(MALTA_MSC01_PCI_BASE),
+			       0x00000000, 0x00000000, CONFIG_SYS_MEM_SIZE,
+			       MALTA_MSC01_PCIMEM_MAP,
+			       CKSEG1ADDR(MALTA_MSC01_PCIMEM_BASE),
+			       MALTA_MSC01_PCIMEM_SIZE, MALTA_MSC01_PCIIO_MAP,
+			       0x00000000, MALTA_MSC01_PCIIO_SIZE);
+		break;
+	}
+
+	bdf = pci_find_device(PCI_VENDOR_ID_INTEL,
+			      PCI_DEVICE_ID_INTEL_82371AB_0, 0);
+	if (bdf == -1)
+		panic("Failed to find PIIX4 PCI bridge\n");
+
+	/* setup PCI interrupt routing */
+	pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCA, 10);
+	pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCB, 10);
+	pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCC, 11);
+	pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCD, 11);
+}