From b3de92495f23db58a2643fb9328edacbf9a17f1c Mon Sep 17 00:00:00 2001 From: Jagannadha Sutradharudu Teki Date: Thu, 9 Jan 2014 01:48:21 +0530 Subject: zynq: Add support to find bootmode Added support to find the bootmodes by reading slcr bootmode register. this can be helpful to autoboot the configurations w.r.t a specified bootmode. Added this functionality on board_late_init as it's not needed for normal initializtion part. Signed-off-by: Jagannadha Sutradharudu Teki --- arch/arm/cpu/armv7/zynq/slcr.c | 6 ++++++ arch/arm/include/asm/arch-zynq/sys_proto.h | 1 + 2 files changed, 7 insertions(+) (limited to 'arch') diff --git a/arch/arm/cpu/armv7/zynq/slcr.c b/arch/arm/cpu/armv7/zynq/slcr.c index 717ec65..b4c11c3 100644 --- a/arch/arm/cpu/armv7/zynq/slcr.c +++ b/arch/arm/cpu/armv7/zynq/slcr.c @@ -101,6 +101,12 @@ void zynq_slcr_devcfg_enable(void) zynq_slcr_lock(); } +u32 zynq_slcr_get_boot_mode(void) +{ + /* Get the bootmode register value */ + return readl(&slcr_base->boot_mode); +} + u32 zynq_slcr_get_idcode(void) { return (readl(&slcr_base->pss_idcode) & SLCR_IDCODE_MASK) >> diff --git a/arch/arm/include/asm/arch-zynq/sys_proto.h b/arch/arm/include/asm/arch-zynq/sys_proto.h index 110de90..8f925af 100644 --- a/arch/arm/include/asm/arch-zynq/sys_proto.h +++ b/arch/arm/include/asm/arch-zynq/sys_proto.h @@ -13,6 +13,7 @@ extern void zynq_slcr_cpu_reset(void); extern void zynq_slcr_gem_clk_setup(u32 gem_id, u32 rclk, u32 clk); extern void zynq_slcr_devcfg_disable(void); extern void zynq_slcr_devcfg_enable(void); +extern u32 zynq_slcr_get_boot_mode(void); extern u32 zynq_slcr_get_idcode(void); extern void zynq_ddrc_init(void); -- cgit v1.1