diff options
Diffstat (limited to 'package/boot/uboot-oxnas/files/board/ox820/ox820.c')
| -rw-r--r-- | package/boot/uboot-oxnas/files/board/ox820/ox820.c | 374 |
1 files changed, 0 insertions, 374 deletions
diff --git a/package/boot/uboot-oxnas/files/board/ox820/ox820.c b/package/boot/uboot-oxnas/files/board/ox820/ox820.c deleted file mode 100644 index f93cc9ca58..0000000000 --- a/package/boot/uboot-oxnas/files/board/ox820/ox820.c +++ /dev/null @@ -1,374 +0,0 @@ -#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); -} - |