Commit 0df3c29f authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski
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ARM: s3c64xx: bring back notes from removed debug-macro.S



Documentation references notes from a removed debug-macro.S file so
bring the contents here.

Signed-off-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200911143343.498-3-krzk@kernel.org
parent a0663189
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+6 −1
Original line number Diff line number Diff line
@@ -97,7 +97,12 @@ static struct cpu_table cpu_ids[] __initdata = {

/* minimal IO mapping */

/* see notes on uart map in arch/arm/mach-s3c64xx/include/mach/debug-macro.S */
/*
 * note, for the boot process to work we have to keep the UART
 * virtual address aligned to an 1MiB boundary for the L1
 * mapping the head code makes. We keep the UART virtual address
 * aligned and add in the offset when we load the value here.
 */
#define UART_OFFS (S3C_PA_UART & 0xfffff)

static struct map_desc s3c_iodesc[] __initdata = {