44 lines
992 B
C
44 lines
992 B
C
#include <debug_ll.h>
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#include <common.h>
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#include <sizes.h>
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#include <io.h>
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#include <asm/barebox-arm-head.h>
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#include <asm/barebox-arm.h>
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#include <asm/sections.h>
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#include <asm/cache.h>
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#include <asm/mmu.h>
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#include <mach/imx6-mmdc.h>
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#include <mach/imx6.h>
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static inline void setup_uart(void)
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{
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/* Enable UART for lowlevel debugging purposes */
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writel(0x00000000, 0x021e8080);
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writel(0x00004027, 0x021e8084);
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writel(0x00000704, 0x021e8088);
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writel(0x00000a81, 0x021e8090);
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writel(0x0000002b, 0x021e809c);
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writel(0x00013880, 0x021e80b0);
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writel(0x0000047f, 0x021e80a4);
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writel(0x0000c34f, 0x021e80a8);
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writel(0x00000001, 0x021e8080);
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}
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extern char __dtb_imx6s_riotboard_start[];
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ENTRY_FUNCTION(start_imx6s_riotboard, r0, r1, r2)
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{
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void *fdt;
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imx6_cpu_lowlevel_init();
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if (IS_ENABLED(CONFIG_DEBUG_LL)) {
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writel(0x4, 0x020e016c);
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setup_uart();
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putc_ll('a');
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}
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fdt = __dtb_imx6s_riotboard_start - get_runtime_offset();
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barebox_arm_entry(0x10000000, SZ_1G, fdt);
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}
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