+++ /dev/null
-#include <common.h>
-#include <spl.h>
-#include <phy.h>
-#include <netdev.h>
-#include <ide.h>
-#include <nand.h>
-#include <asm/arch/spl.h>
-#include <asm/arch/pinmux.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/sysctl.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_SPL_BUILD
-
-#ifdef DEBUG
-#define DILIGENCE (1048576/4)
-static int test_memory(u32 memory)
-{
- volatile u32 *read;
- volatile u32 *write;
- const u32 INIT_PATTERN = 0xAA55AA55;
- const u32 INC_PATTERN = 0x01030507;
- u32 pattern;
- int check;
- int i;
-
- check = 0;
- read = write = (volatile u32 *) memory;
- pattern = INIT_PATTERN;
- for (i = 0; i < DILIGENCE; i++) {
- *write++ = pattern;
- pattern += INC_PATTERN;
- }
- puts("testing\n");
- pattern = INIT_PATTERN;
- for (i = 0; i < DILIGENCE; i++) {
- check += (pattern == *read++) ? 1 : 0;
- pattern += INC_PATTERN;
- }
- return (check == DILIGENCE) ? 0 : -1;
-}
-#endif
-
-void uart_init(void)
-{
- /* Reset UART1 */
- reset_block(SYS_CTRL_RST_UART1, 1);
- udelay(100);
- reset_block(SYS_CTRL_RST_UART1, 0);
- udelay(100);
-
- /* Setup pin mux'ing for UART1 */
- pinmux_set(PINMUX_BANK_MFA, 30, PINMUX_UARTA_SIN);
- pinmux_set(PINMUX_BANK_MFA, 31, PINMUX_UARTA_SOUT);
-}
-
-extern void init_ddr(int mhz);
-
-void board_inithw(void)
-{
- int plla_freq;
-#ifdef DEBUG
- int i;
-#endif /* DEBUG */
-
- timer_init();
- uart_init();
- preloader_console_init();
-
- plla_freq = plla_set_config(CONFIG_PLLA_FREQ_MHZ);
- init_ddr(plla_freq);
-
-#ifdef DEBUG
- if(test_memory(CONFIG_SYS_SDRAM_BASE)) {
- puts("memory test failed\n");
- } else {
- puts("memory test done\n");
- }
-#endif /* DEBUG */
-#ifdef CONFIG_SPL_BSS_DRAM_START
- extern char __bss_dram_start[];
- extern char __bss_dram_end[];
- memset(&__bss_dram_start, 0, __bss_dram_end - __bss_dram_start);
-#endif
-}
-
-void board_init_f(ulong dummy)
-{
- /* Set the stack pointer. */
- asm volatile("mov sp, %0\n" : : "r"(CONFIG_SPL_STACK));
-
- /* Clear the BSS. */
- memset(__bss_start, 0, __bss_end - __bss_start);
-
- /* Set global data pointer. */
- gd = &gdata;
-
- board_inithw();
-
- board_init_r(NULL, 0);
-}
-
-u32 spl_boot_device(void)
-{
- return CONFIG_SPL_BOOT_DEVICE;
-}
-
-#ifdef CONFIG_SPL_BLOCK_SUPPORT
-void spl_block_device_init(void)
-{
- ide_init();
-}
-#endif
-
-#ifdef CONFIG_SPL_OS_BOOT
-int spl_start_uboot(void)
-{
- /* break into full u-boot on 'c' */
- return (serial_tstc() && serial_getc() == 'c');
-}
-#endif
-
-void spl_display_print(void)
-{
- /* print a hint, so that we will not use the wrong SPL by mistake */
- puts(" Boot device: " BOOT_DEVICE_TYPE "\n" );
-}
-
-void lowlevel_init(void)
-{
-}
-
-#ifdef USE_DL_PREFIX
-/* quick and dirty memory allocation */
-static ulong next_mem = CONFIG_SPL_MALLOC_START;
-
-void *memalign(size_t alignment, size_t bytes)
-{
- ulong mem = ALIGN(next_mem, alignment);
-
- next_mem = mem + bytes;
-
- if (next_mem > CONFIG_SYS_SDRAM_BASE + CONFIG_MIN_SDRAM_SIZE) {
- printf("spl: out of memory\n");
- hang();
- }
-
- return (void *)mem;
-}
-
-void free(void* mem)
-{
-}
-#endif
-
-#endif /* CONFIG_SPL_BUILD */
-
-int board_early_init_f(void)
-{
- return 0;
-}
-
-#define STATIC_CTL_BANK0 (STATIC_CONTROL_BASE + 4)
-#define STATIC_READ_CYCLE_SHIFT 0
-#define STATIC_DELAYED_OE (1 << 7)
-#define STATIC_WRITE_CYCLE_SHIFT 8
-#define STATIC_WRITE_PULSE_SHIFT 16
-#define STATIC_WRITE_BURST_EN (1 << 23)
-#define STATIC_TURN_AROUND_SHIFT 24
-#define STATIC_BUFFER_PRESENT (1 << 28)
-#define STATIC_READ_BURST_EN (1 << 29)
-#define STATIC_BUS_WIDTH8 (0 << 30)
-#define STATIC_BUS_WIDTH16 (1 << 30)
-#define STATIC_BUS_WIDTH32 (2 << 30)
-
-void nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-{
- struct nand_chip *this = mtd->priv;
- unsigned long nandaddr = (unsigned long) this->IO_ADDR_W;
-
- if (ctrl & NAND_CTRL_CHANGE) {
- nandaddr &= ~(BIT(NAND_ALE_ADDR_PIN) | BIT(NAND_CLE_ADDR_PIN));
- if (ctrl & NAND_CLE)
- nandaddr |= BIT(NAND_CLE_ADDR_PIN);
- else if (ctrl & NAND_ALE)
- nandaddr |= BIT(NAND_ALE_ADDR_PIN);
- this->IO_ADDR_W = (void __iomem *) nandaddr;
- }
-
- if (cmd != NAND_CMD_NONE)
- writeb(cmd, (void __iomem *) nandaddr);
-}
-
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_BOOT_FROM_NAND)
-
-int nand_dev_ready(struct mtd_info *mtd)
-{
- struct nand_chip *chip = mtd->priv;
-
- udelay(chip->chip_delay);
-
- return 1;
-}
-
-void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
-{
- int i;
- struct nand_chip *chip = mtd->priv;
-
- for (i = 0; i < len; i++)
- buf[i] = readb(chip->IO_ADDR_R);
-}
-
-void nand_dev_reset(struct nand_chip *chip)
-{
- writeb(NAND_CMD_RESET, chip->IO_ADDR_W + BIT(NAND_CLE_ADDR_PIN));
- udelay(chip->chip_delay);
- writeb(NAND_CMD_STATUS, chip->IO_ADDR_W + BIT(NAND_CLE_ADDR_PIN));
- while (!(readb(chip->IO_ADDR_R) & NAND_STATUS_READY)) {
- ;
- }
-}
-
-#else
-
-#define nand_dev_reset(chip) /* framework will reset the chip anyway */
-#define nand_read_buf NULL /* framework will provide a default one */
-#define nand_dev_ready NULL /* dev_ready is optional */
-
-#endif
-
-int board_nand_init(struct nand_chip *chip)
-{
- /* Block reset Static core */
- reset_block(SYS_CTRL_RST_STATIC, 1);
- reset_block(SYS_CTRL_RST_STATIC, 0);
-
- /* Enable clock to Static core */
- enable_clock(SYS_CTRL_CLK_STATIC);
-
- /* enable flash support on static bus.
- * Enable static bus onto GPIOs, only CS0 */
- pinmux_set(PINMUX_BANK_MFA, 12, PINMUX_STATIC_DATA0);
- pinmux_set(PINMUX_BANK_MFA, 13, PINMUX_STATIC_DATA1);
- pinmux_set(PINMUX_BANK_MFA, 14, PINMUX_STATIC_DATA2);
- pinmux_set(PINMUX_BANK_MFA, 15, PINMUX_STATIC_DATA3);
- pinmux_set(PINMUX_BANK_MFA, 16, PINMUX_STATIC_DATA4);
- pinmux_set(PINMUX_BANK_MFA, 17, PINMUX_STATIC_DATA5);
- pinmux_set(PINMUX_BANK_MFA, 18, PINMUX_STATIC_DATA6);
- pinmux_set(PINMUX_BANK_MFA, 19, PINMUX_STATIC_DATA7);
-
- pinmux_set(PINMUX_BANK_MFA, 20, PINMUX_STATIC_NWE);
- pinmux_set(PINMUX_BANK_MFA, 21, PINMUX_STATIC_NOE);
- pinmux_set(PINMUX_BANK_MFA, 22, PINMUX_STATIC_NCS);
- pinmux_set(PINMUX_BANK_MFA, 23, PINMUX_STATIC_ADDR18);
- pinmux_set(PINMUX_BANK_MFA, 24, PINMUX_STATIC_ADDR19);
-
- /* Setup the static bus CS0 to access FLASH */
-
- writel((0x3f << STATIC_READ_CYCLE_SHIFT)
- | (0x3f << STATIC_WRITE_CYCLE_SHIFT)
- | (0x1f << STATIC_WRITE_PULSE_SHIFT)
- | (0x03 << STATIC_TURN_AROUND_SHIFT) |
- STATIC_BUS_WIDTH16,
- STATIC_CTL_BANK0);
-
- chip->cmd_ctrl = nand_hwcontrol;
- chip->ecc.mode = NAND_ECC_SOFT;
- chip->chip_delay = 30;
- chip->dev_ready = nand_dev_ready;
- chip->read_buf = nand_read_buf;
-
- nand_dev_reset(chip);
-
- return 0;
-}
-
-int board_init(void)
-{
- gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
- gd->bd->bi_arch_number = MACH_TYPE_OXNAS;
-
- /* assume uart is already initialized by SPL */
-
-#if defined(CONFIG_START_IDE)
- puts("IDE: ");
- ide_init();
-#endif
-
- return 0;
-}
-
-/* copied from board/evb64260/sdram_init.c */
-/*
- * Check memory range for valid RAM. A simple memory test determines
- * the actually available RAM size between addresses `base' and
- * `base + maxsize'. Some (not all) hardware errors are detected:
- * - short between address lines
- * - short between data lines
- */
-static long int dram_size (long int *base, long int maxsize)
-{
- volatile long int *addr, *b = base;
- long int cnt, val, save1, save2;
-
-#define STARTVAL (CONFIG_MIN_SDRAM_SIZE / 2) /* start test at half size */
- for (cnt = STARTVAL / sizeof (long); cnt < maxsize / sizeof (long);
- cnt <<= 1) {
- addr = base + cnt; /* pointer arith! */
-
- save1 = *addr; /* save contents of addr */
- save2 = *b; /* save contents of base */
-
- *addr = cnt; /* write cnt to addr */
- *b = 0; /* put null at base */
-
- /* check at base address */
- if ((*b) != 0) {
- *addr = save1; /* restore *addr */
- *b = save2; /* restore *b */
- return (0);
- }
- val = *addr; /* read *addr */
-
- *addr = save1;
- *b = save2;
-
- if (val != cnt) {
- /* fix boundary condition.. STARTVAL means zero */
- if (cnt == STARTVAL / sizeof (long))
- cnt = 0;
- return (cnt * sizeof (long));
- }
- }
- return maxsize;
-}
-
-int dram_init(void)
-{
- gd->ram_size = dram_size((long int *)CONFIG_SYS_SDRAM_BASE,
- CONFIG_MAX_SDRAM_SIZE);
- return 0;
-}
-
-int board_eth_init(bd_t *bis)
-{
- u32 value;
-
- /* set the pin multiplexers to enable talking to Ethernent Phys */
- pinmux_set(PINMUX_BANK_MFA, 3, PINMUX_MACA_MDC);
- pinmux_set(PINMUX_BANK_MFA, 4, PINMUX_MACA_MDIO);
-
- // Ensure the MAC block is properly reset
- reset_block(SYS_CTRL_RST_MAC, 1);
- udelay(10);
- reset_block(SYS_CTRL_RST_MAC, 0);
-
- // Enable the clock to the MAC block
- enable_clock(SYS_CTRL_CLK_MAC);
-
- value = readl(SYS_CTRL_GMAC_CTRL);
- /* Use simple mux for 25/125 Mhz clock switching */
- value |= BIT(SYS_CTRL_GMAC_SIMPLE_MUX);
- /* Enable GMII_GTXCLK to follow GMII_REFCLK - required for gigabit PHY */
- value |= BIT(SYS_CTRL_GMAC_CKEN_GTX);
- /* set auto tx speed */
- value |= BIT(SYS_CTRL_GMAC_AUTOSPEED);
-
- writel(value, SYS_CTRL_GMAC_CTRL);
-
- return designware_initialize(MAC_BASE, PHY_INTERFACE_MODE_RGMII);
-}
-
projects / openwrt / staging / nbd.git / blobdiff