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+
+Summary
+=======
+
+This README is about U-Boot support for SAMSUNG's ARM Cortex-A8 based S5PC1xx
+family of SoCs (S5PC100 [1] and S5PC110).
+
+Currently the following board is supported:
+
+* SMDKC100 [2]
+
+Toolchain
+=========
+
+While ARM Cortex-A8 support ARM v7 instruction set (-march=armv7a) we compile
+with -march=armv5 to allow more compilers to work. For U-Boot code this has
+no performance impact.
+
+Build
+=====
+
+* SMDKC100
+
+make smdkc100_config
+make
+
+
+Interfaces
+==========
+
+cpu
+
+To check SoC:
+
+ if (cpu_is_s5pc100())
+ printf("cpu is s5pc100\n");
+
+ or
+
+ if (cpu_is_s5pc110())
+ printf("cpu is s5pc110\n");
+
+gpio
+
+ struct s5pc100_gpio *gpio = (struct s5pc100_gpio*)S5PC100_GPIO_BASE;
+
+ /* GPA[0] pin set to irq */
+ gpio_cfg_pin(&gpio->gpio_a, 0, GPIO_IRQ);
+
+ /* GPA[0] pin set to input */
+ gpio_direction_input(&gpio->gpio_a, 0);
+
+ /* GPA[0] pin set to output/high */
+ gpio_direction_output(&gpio->gpio_a, 0, 1);
+
+ /* GPA[0] value set to low */
+ gpio_set_value(&gpio->gpio_a, 0, 0);
+
+ /* get GPA[0] value */
+ value = gpio_get_value(&gpio->gpio_a, 0);
+
+Links
+=====
+
+[1] S5PC100:
+
+http://www.samsung.com/global/business/semiconductor/productInfo.do?
+fmly_id=229&partnum=S5PC100
+
+[2] SMDKC100:
+
+http://meritech.co.kr/eng/products/product_view.php?num=28