Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / cpu / armv7 / s5p-common / sromc.c

diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/s5p-common/sromc.c b/qemu/roms/u-boot/arch/arm/cpu/armv7/s5p-common/sromc.c
new file mode 100644 (file)
index 0000000..806456f
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/s5p-common/sromc.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2010 Samsung Electronics
+ * Naveen Krishna Ch <ch.naveen@samsung.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sromc.h>
+
+/*
+ * s5p_config_sromc() - select the proper SROMC Bank and configure the
+ * band width control and bank control registers
+ * srom_bank   - SROM
+ * srom_bw_conf  - SMC Band witdh reg configuration value
+ * srom_bc_conf  - SMC Bank Control reg configuration value
+ */
+void s5p_config_sromc(u32 srom_bank, u32 srom_bw_conf, u32 srom_bc_conf)
+{
+       u32 tmp;
+       struct s5p_sromc *srom =
+               (struct s5p_sromc *)samsung_get_base_sromc();
+
+       /* Configure SMC_BW register to handle proper SROMC bank */
+       tmp = srom->bw;
+       tmp &= ~(0xF << (srom_bank * 4));
+       tmp |= srom_bw_conf;
+       srom->bw = tmp;
+
+       /* Configure SMC_BC register */
+       srom->bc[srom_bank] = srom_bc_conf;
+}