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arm: rmobile: koelsch: Add external RAM boot
If CONFIG_RMOBILE_EXTRAM_BOOT is enabled, U-Boot is booted from External RAM. The default boot address is 0x70000000. Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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@ -25,7 +25,7 @@ config SYS_SOC
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config RMOBILE_EXTRAM_BOOT
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bool "Enable boot from RAM"
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depends on TARGET_LAGER
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depends on TARGET_LAGER || TARGET_KOELSCH
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default n
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source "board/atmark-techno/armadillo-800eva/Kconfig"
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@ -14,7 +14,7 @@
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#include <asm/arch/rmobile.h>
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/* QoS version 0.240 for ES1 and version 0.334 for ES2 */
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#if defined(CONFIG_RMOBILE_EXTRAM_BOOT)
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enum {
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DBSC3_00, DBSC3_01, DBSC3_02, DBSC3_03, DBSC3_04,
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DBSC3_05, DBSC3_06, DBSC3_07, DBSC3_08, DBSC3_09,
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@ -1304,3 +1304,8 @@ void qos_init(void)
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writel(0x00000001, &axi_qos->qosthres2);
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writel(0x00000001, &axi_qos->qosqon);
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}
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#else /* CONFIG_RMOBILE_EXTRAM_BOOT */
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void qos_init(void)
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{
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}
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#endif /* CONFIG_RMOBILE_EXTRAM_BOOT */
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@ -38,7 +38,12 @@
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#define CONFIG_FAT_WRITE
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#define CONFIG_EXT4_WRITE
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#if defined(CONFIG_RMOBILE_EXTRAM_BOOT)
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#define CONFIG_SYS_TEXT_BASE 0x70000000
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#else
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#define CONFIG_SYS_TEXT_BASE 0xE6304000
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#endif
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#define CONFIG_SYS_THUMB_BUILD
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#define CONFIG_SYS_GENERIC_BOARD
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@ -69,8 +74,13 @@
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#define CONFIG_TMU_TIMER
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/* STACK */
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#define CONFIG_SYS_INIT_SP_ADDR 0xE633fffc
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#define STACK_AREA_SIZE 0xC000
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#if defined(CONFIG_RMOBILE_EXTRAM_BOOT)
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#define CONFIG_SYS_INIT_SP_ADDR 0x7003FFFC
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#else
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#define CONFIG_SYS_INIT_SP_ADDR 0xE633fffC
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#endif
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#define STACK_AREA_SIZE 0xC000
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#define LOW_LEVEL_MERAM_STACK \
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(CONFIG_SYS_INIT_SP_ADDR + STACK_AREA_SIZE - 4)
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