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@@ -7,6 +7,7 @@
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#include <asm/arch/boot.h>
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#include <linux/libfdt.h>
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#include <linux/err.h>
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+#include <environment.h>
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#include <asm/arch/mem.h>
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#include <asm/arch/sm.h>
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#include <asm/armv8/mmu.h>
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@@ -67,6 +68,36 @@ void meson_board_add_reserved_memory(void *fdt, u64 start, u64 size)
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}
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}
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+int meson_generate_serial_ethaddr(void)
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+{
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+ u8 mac_addr[ARP_HLEN];
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+ char serial[SM_SERIAL_SIZE];
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+ u32 sid;
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+ u16 sid16;
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+
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+ if (!meson_sm_get_serial(serial, SM_SERIAL_SIZE)) {
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+ sid = crc32(0, (unsigned char *)serial, SM_SERIAL_SIZE);
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+ sid16 = crc16_ccitt(0, (unsigned char *)serial, SM_SERIAL_SIZE);
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+
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+ /* Ensure the NIC specific bytes of the mac are not all 0 */
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+ if ((sid & 0xffffff) == 0)
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+ sid |= 0x800000;
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+
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+ /* Non OUI / registered MAC address */
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+ mac_addr[0] = ((sid16 >> 8) & 0xfc) | 0x02;
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+ mac_addr[1] = (sid16 >> 0) & 0xff;
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+ mac_addr[2] = (sid >> 24) & 0xff;
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+ mac_addr[3] = (sid >> 16) & 0xff;
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+ mac_addr[4] = (sid >> 8) & 0xff;
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+ mac_addr[5] = (sid >> 0) & 0xff;
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+
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+ eth_env_set_enetaddr("ethaddr", mac_addr);
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+ } else
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+ return -EINVAL;
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+
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+ return 0;
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+}
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+
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static void meson_set_boot_source(void)
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{
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const char *source;
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