diff options
Diffstat (limited to 'board/sunxi/board.c')
| -rw-r--r-- | board/sunxi/board.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 2271c895c2..ccf4129b15 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -21,6 +21,9 @@ #include <asm/arch/gpio.h> #include <asm/arch/mmc.h> #include <asm/arch/usb_phy.h> +#ifndef CONFIG_ARM64 +#include <asm/armv7.h> +#endif #include <asm/gpio.h> #include <asm/io.h> #include <nand.h> @@ -73,18 +76,38 @@ DECLARE_GLOBAL_DATA_PTR; /* add board specific code here */ int board_init(void) { - int id_pfr1, ret; + __maybe_unused int id_pfr1, ret; gd->bd->bi_boot_params = (PHYS_SDRAM_0 + 0x100); +#ifndef CONFIG_ARM64 asm volatile("mrc p15, 0, %0, c0, c1, 1" : "=r"(id_pfr1)); debug("id_pfr1: 0x%08x\n", id_pfr1); /* Generic Timer Extension available? */ - if ((id_pfr1 >> 16) & 0xf) { + if ((id_pfr1 >> CPUID_ARM_GENTIMER_SHIFT) & 0xf) { + uint32_t freq; + debug("Setting CNTFRQ\n"); - /* CNTFRQ == 24 MHz */ - asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r"(24000000)); + + /* + * CNTFRQ is a secure register, so we will crash if we try to + * write this from the non-secure world (read is OK, though). + * In case some bootcode has already set the correct value, + * we avoid the risk of writing to it. + */ + asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r"(freq)); + if (freq != CONFIG_TIMER_CLK_FREQ) { + debug("arch timer frequency is %d Hz, should be %d, fixing ...\n", + freq, CONFIG_TIMER_CLK_FREQ); +#ifdef CONFIG_NON_SECURE + printf("arch timer frequency is wrong, but cannot adjust it\n"); +#else + asm volatile("mcr p15, 0, %0, c14, c0, 0" + : : "r"(CONFIG_TIMER_CLK_FREQ)); +#endif + } } +#endif /* !CONFIG_ARM64 */ ret = axp_gpio_init(); if (ret) @@ -264,7 +287,7 @@ static void mmc_pinmux_setup(int sdc) sunxi_gpio_set_pull(SUNXI_GPC(24), SUNXI_GPIO_PULL_UP); sunxi_gpio_set_drv(SUNXI_GPC(24), 2); } -#elif defined(CONFIG_MACH_SUN8I) +#elif defined(CONFIG_MACH_SUN8I) || defined(CONFIG_MACH_SUN50I) /* SDC2: PC5-PC6, PC8-PC16 */ for (pin = SUNXI_GPC(5); pin <= SUNXI_GPC(6); pin++) { sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2); @@ -547,7 +570,7 @@ void get_board_serial(struct tag_serialnr *serialnr) */ static void parse_spl_header(const uint32_t spl_addr) { - struct boot_file_head *spl = (void *)spl_addr; + struct boot_file_head *spl = (void *)(ulong)spl_addr; if (memcmp(spl->spl_signature, SPL_SIGNATURE, 3) == 0) { uint8_t spl_header_version = spl->spl_signature[3]; if (spl_header_version == SPL_HEADER_VERSION) { |
