1 files changed, 379 insertions, 0 deletions
diff --git a/src/mainboard/google/storm/cdp.c b/src/mainboard/google/storm/cdp.c
new file mode 100755
index 0000000000..f26ae021af
--- /dev/null
+++ b/src/mainboard/google/storm/cdp.c
@@ -0,0 +1,379 @@
+
+/* * Copyright (c) 2012 - 2013 The Linux Foundation. All rights reserved.* */
+
+#include <common.h>
+#include <linux/mtd/ipq_nand.h>
+#include <asm/arch-ipq806x/gpio.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch-ipq806x/clock.h>
+#include <asm/arch-ipq806x/ebi2.h>
+#include <asm/arch-ipq806x/smem.h>
+#include <asm/errno.h>
+#include "ipq806x_board_param.h"
+#include "ipq806x_cdp.h"
+#include <asm/arch-ipq806x/nss/msm_ipq806x_gmac.h>
+#include <asm/arch-ipq806x/timer.h>
+#include <nand.h>
+#include <phy.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+
+/* Watchdog bite time set to default reset value */
+#define RESET_WDT_BITE_TIME 0x31F3
+
+/* Watchdog bark time value is ketp larger than the watchdog timeout
+ * of 0x31F3, effectively disabling the watchdog bark interrupt
+ */
+#define RESET_WDT_BARK_TIME (5 * RESET_WDT_BITE_TIME)
+
+/*
+ * If SMEM is not found, we provide a value, that will prevent the
+ * environment from being written to random location in the flash.
+ *
+ * NAND: In the case of NAND, we do this by setting ENV_RANGE to
+ * zero. If ENV_RANGE < ENV_SIZE, then environment is not written.
+ *
+ * SPI Flash: In the case of SPI Flash, we do this by setting the
+ * flash_index to -1.
+ */
+
+loff_t board_env_offset;
+loff_t board_env_range;
+extern int nand_env_device;
+
+board_ipq806x_params_t *gboard_param;
+extern int ipq_gmac_eth_initialize(const char *ethaddr);
+uchar ipq_def_enetaddr[6] = {0x00, 0x03, 0x7F, 0xBA, 0xDB, 0xAD};
+
+/*******************************************************
+Function description: Board specific initialization.
+I/P : None
+O/P : integer, 0 - no error.
+
+********************************************************/
+static board_ipq806x_params_t *get_board_param(unsigned int machid)
+{
+	unsigned int index = 0;
+
+	for (index = 0; index < NUM_IPQ806X_BOARDS; index++) {
+		if (machid == board_params[index].machid)
+			return &board_params[index];
+	}
+	BUG_ON(index == NUM_IPQ806X_BOARDS);
+	printf("cdp: Invalid machine id 0x%x\n", machid);
+	for (;;);
+}
+
+int board_init()
+{
+	int ret;
+	uint32_t start_blocks;
+	uint32_t size_blocks;
+	loff_t board_env_size;
+	ipq_smem_flash_info_t *sfi = &ipq_smem_flash_info;
+
+	/*
+	 * after relocation gboard_param is reset to NULL
+	 * initialize again
+	 */
+	gd->bd->bi_boot_params = IPQ_BOOT_PARAMS_ADDR;
+	gd->bd->bi_arch_number = smem_get_board_machtype();
+	gboard_param = get_board_param(gd->bd->bi_arch_number);
+
+	/*
+	 * Should be inited, before env_relocate() is called,
+	 * since env. offset is obtained from SMEM.
+	 */
+	ret = smem_ptable_init();
+	if (ret < 0) {
+		printf("cdp: SMEM init failed\n");
+		return ret;
+	}
+
+	ret = smem_get_boot_flash(&sfi->flash_type,
+				  &sfi->flash_index,
+				  &sfi->flash_chip_select,
+				  &sfi->flash_block_size);
+	if (ret < 0) {
+		printf("cdp: get boot flash failed\n");
+		return ret;
+	}
+
+	if (sfi->flash_type == SMEM_BOOT_NAND_FLASH) {
+		nand_env_device = CONFIG_IPQ_NAND_NAND_INFO_IDX;
+	} else if (sfi->flash_type == SMEM_BOOT_SPI_FLASH) {
+		nand_env_device = CONFIG_IPQ_SPI_NAND_INFO_IDX;
+	} else {
+		printf("BUG: unsupported flash type : %d\n", sfi->flash_type);
+		BUG();
+	}
+
+	ret = smem_getpart("0:APPSBLENV", &start_blocks, &size_blocks);
+	if (ret < 0) {
+		printf("cdp: get environment part failed\n");
+		return ret;
+	}
+
+	board_env_offset = ((loff_t) sfi->flash_block_size) * start_blocks;
+	board_env_size = ((loff_t) sfi->flash_block_size) * size_blocks;
+	board_env_range = CONFIG_ENV_SIZE;
+	BUG_ON(board_env_size < CONFIG_ENV_SIZE);
+
+	return 0;
+}
+
+void enable_caches(void)
+{
+	icache_enable();
+	/* When dcache is enabled it causes the tftp timeout CR is raised CR.No: 513868.
+         * disabing dcache now to make tftp to work */
+#if (CONFIG_IPQ_CACHE_ENABLE == 1)
+	dcache_enable();
+#endif
+}
+
+
+/*******************************************************
+Function description: DRAM initialization.
+I/P : None
+O/P : integer, 0 - no error.
+
+********************************************************/
+
+int dram_init(void)
+{
+	struct smem_ram_ptable rtable;
+	int i;
+	int mx = ARRAY_SIZE(rtable.parts);
+
+	if (smem_ram_ptable_init(&rtable) > 0) {
+		gd->ram_size = 0;
+		for (i = 0; i < mx; i++) {
+			if (rtable.parts[i].category == RAM_PARTITION_SDRAM
+			 && rtable.parts[i].type == RAM_PARTITION_SYS_MEMORY) {
+				gd->ram_size += rtable.parts[i].size;
+			}
+		}
+		gboard_param->ddr_size = gd->ram_size;
+	} else {
+		gd->ram_size = gboard_param->ddr_size;
+	}
+	return 0;
+}
+
+/*******************************************************
+Function description: initi Dram Bank size
+I/P : None
+O/P : integer, 0 - no error.
+
+********************************************************/
+
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = IPQ_KERNEL_START_ADDR;
+	gd->bd->bi_dram[0].size = gboard_param->ddr_size - GENERATED_IPQ_RESERVE_SIZE;
+
+}
+
+/**********************************************************
+Function description: Display board information on console.
+I/P : None
+O/P : integer, 0 - no error.
+
+**********************************************************/
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+	printf("Board: %s\n", sysinfo.board_string);
+	return 0;
+}
+#endif /* CONFIG_DISPLAY_BOARDINFO */
+
+void reset_cpu(ulong addr)
+{
+	printf("\nResetting with watch dog!\n");
+
+	writel(0, APCS_WDT0_EN);
+	writel(1, APCS_WDT0_RST);
+	writel(RESET_WDT_BARK_TIME, APCS_WDT0_BARK_TIME);
+	writel(RESET_WDT_BITE_TIME, APCS_WDT0_BITE_TIME);
+	writel(1, APCS_WDT0_EN);
+	writel(1, APCS_WDT0_CPU0_WDOG_EXPIRED_ENABLE);
+
+	for(;;);
+}
+
+static void configure_nand_gpio(void)
+{
+	/* EBI2 CS, CLE, ALE, WE, OE */
+	gpio_tlmm_config(34, 1, 0, GPIO_NO_PULL, GPIO_10MA, GPIO_DISABLE);
+	gpio_tlmm_config(35, 1, 0, GPIO_NO_PULL, GPIO_10MA, GPIO_DISABLE);
+	gpio_tlmm_config(36, 1, 0, GPIO_NO_PULL, GPIO_10MA, GPIO_DISABLE);
+	gpio_tlmm_config(37, 1, 0, GPIO_NO_PULL, GPIO_10MA, GPIO_DISABLE);
+	gpio_tlmm_config(38, 1, 0, GPIO_NO_PULL, GPIO_10MA, GPIO_DISABLE);
+
+	/* EBI2 BUSY */
+	gpio_tlmm_config(39, 1, 0, GPIO_PULL_UP, GPIO_10MA, GPIO_DISABLE);
+
+	/* EBI2 D7 - D0 */
+	gpio_tlmm_config(40, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE);
+	gpio_tlmm_config(41, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE);
+	gpio_tlmm_config(42, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE);
+	gpio_tlmm_config(43, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE);
+	gpio_tlmm_config(44, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE);
+	gpio_tlmm_config(45, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE);
+	gpio_tlmm_config(46, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE);
+	gpio_tlmm_config(47, 1, 0, GPIO_KEEPER, GPIO_10MA, GPIO_DISABLE);
+}
+
+void board_nand_init(void)
+{
+	struct ebi2cr_regs *ebi2_regs;
+	extern int ipq_spi_init(void);
+
+	if (gboard_param->flashdesc != NOR_MMC) {
+
+		ebi2_regs = (struct ebi2cr_regs *) EBI2CR_BASE;
+
+		nand_clock_config();
+		configure_nand_gpio();
+
+		/* NAND Flash is connected to CS0 */
+		clrsetbits_le32(&ebi2_regs->chip_select_cfg0, CS0_CFG_MASK,
+				CS0_CFG_SERIAL_FLASH_DEVICE);
+
+		ipq_nand_init(IPQ_NAND_LAYOUT_LINUX);
+	}
+
+	ipq_spi_init();
+}
+
+void ipq_get_part_details(void)
+{
+	int ret, i;
+	uint32_t start;		/* block number */
+	uint32_t size;		/* no. of blocks */
+
+	ipq_smem_flash_info_t *smem = &ipq_smem_flash_info;
+
+	struct { char *name; ipq_part_entry_t *part; } entries[] = {
+		{ "0:HLOS", &smem->hlos },
+		{ "0:NSS0", &smem->nss[0] },
+		{ "0:NSS1", &smem->nss[1] },
+	};
+
+	for (i = 0; i < ARRAY_SIZE(entries); i++) {
+		ret = smem_getpart(entries[i].name, &start, &size);
+		if (ret < 0) {
+			ipq_part_entry_t *part = entries[i].part;
+			printf("cdp: get part failed for %s\n", entries[i].name);
+			part->offset = 0xBAD0FF5E;
+			part->size = 0xBAD0FF5E;
+		}
+		ipq_set_part_entry(smem, entries[i].part, start, size);
+	}
+
+	return;
+}
+
+/*
+ * Get the kernel partition details from SMEM and populate the,
+ * environment with sufficient information for the boot command to
+ * load and execute the kernel.
+ */
+int board_late_init(void)
+{
+	unsigned int machid;
+
+	ipq_get_part_details();
+
+        /* get machine type from SMEM and set in env */
+	machid = gd->bd->bi_arch_number;
+	if (machid != 0) {
+		setenv_addr("machid", (void *)machid);
+		gd->bd->bi_arch_number = machid;
+	}
+
+	return 0;
+}
+
+/*
+ * This function is called in the very beginning.
+ * Retreive the machtype info from SMEM and map the board specific
+ * parameters. Shared memory region at Dram address 0x40400000
+ * contains the machine id/ board type data polulated by SBL.
+ */
+int board_early_init_f(void)
+{
+	gboard_param = get_board_param(smem_get_board_machtype());
+
+	return 0;
+}
+
+/*
+ * Gets the ethernet address from the ART partition table and return the value
+ */
+int get_eth_mac_address(uchar *enetaddr, uint no_of_macs)
+{
+	s32 ret;
+	u32 start_blocks;
+	u32 size_blocks;
+	u32 length = (6 * no_of_macs);
+	u32 flash_type;
+	loff_t art_offset;
+
+	if (ipq_smem_flash_info.flash_type == SMEM_BOOT_SPI_FLASH)
+		flash_type = CONFIG_IPQ_SPI_NAND_INFO_IDX;
+	else if (ipq_smem_flash_info.flash_type == SMEM_BOOT_NAND_FLASH)
+		flash_type = CONFIG_IPQ_NAND_NAND_INFO_IDX;
+	else {
+		printf("Unknown flash type\n");
+		return -EINVAL;
+	}
+
+	ret = smem_getpart("0:ART", &start_blocks, &size_blocks);
+	if (ret < 0) {
+		printf("No ART partition found\n");
+		return ret;
+	}
+
+	/*
+	 * ART partition 0th position (6 * 4) 24 bytes will contain the
+	 * 4 MAC Address. First 0-5 bytes for GMAC0, Second 6-11 bytes
+	 * for GMAC1, 12-17 bytes for GMAC2 and 18-23 bytes for GMAC3
+	 */
+	art_offset = ((loff_t) ipq_smem_flash_info.flash_block_size * start_blocks);
+
+	ret = nand_read(&nand_info[flash_type], art_offset, &length, enetaddr);
+	if (ret < 0)
+		printf("ART partition read failed..\n");
+	return ret;
+}
+
+void ipq_configure_gpio(gpio_func_data_t *gpio, uint count)
+{
+	int i;
+
+	for (i = 0; i < count; i++) {
+		gpio_tlmm_config(gpio->gpio, gpio->func, gpio->dir,
+				gpio->pull, gpio->drvstr, gpio->enable);
+		gpio++;
+	}
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int status;
+
+	ipq_gmac_common_init(gboard_param->gmac_cfg);
+
+	ipq_configure_gpio(gboard_param->gmac_gpio,
+			gboard_param->gmac_gpio_count);
+
+	status = ipq_gmac_init(gboard_param->gmac_cfg);
+	return status;
+}