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plat/arm: Support for Cortex A5 in FVP Versatile Express platform 

Cortex A5 doesnt support VFP, Large Page addressing and generic timer
which are addressed in this patch. The device tree for Cortex a5
is also included.

Change-Id: I0722345721b145dfcc80bebd36a1afbdc44bb678
Signed-off-by: Usama Arif <usama.arif@arm.com>
This commit is contained in:
Usama Arif 2018-12-12 17:14:29 +00:00
parent a5aa25af65
commit 8f73663b59
5 changed files with 157 additions and 0 deletions
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144
fdts/fvp-ve-Cortex-A5x1.dts Normal file
View File

@ -0,0 +1,144 @@
/*
* Copyright (c) 2019, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/dts-v1/;
/ {
model = "V2P-CA5s";
compatible = "arm,vexpress,v2p-ca5s", "arm,vexpress";
interrupt-parent = <&gic>;
#address-cells = <1>;
#size-cells = <1>;
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a5";
reg = <0>;
};
};
memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x1000000>;
};
hdlcd@2a110000 {
compatible = "arm,hdlcd";
reg = <0x2a110000 0x1000>;
interrupts = <0 85 4>;
clocks = <&oscclk3>;
clock-names = "pxlclk";
};
scu@2c000000 {
compatible = "arm,cortex-a5-scu";
reg = <0x2c000000 0x58>;
};
watchdog@2c000620 {
compatible = "arm,cortex-a5-twd-wdt";
reg = <0x2c000620 0x20>;
interrupts = <1 14 0x304>;
};
gic: interrupt-controller@2c001000 {
compatible = "arm,cortex-a9-gic";
#interrupt-cells = <3>;
#address-cells = <0>;
interrupt-controller;
reg = <0x2c001000 0x1000>,
<0x2c000100 0x100>;
};
dcc {
compatible = "arm,vexpress,config-bus";
arm,vexpress,config-bridge = <&v2m_sysreg>;
oscclk0: osc@0 {
/* CPU and internal AXI reference clock */
compatible = "arm,vexpress-osc";
arm,vexpress-sysreg,func = <1 0>;
freq-range = <50000000 100000000>;
#clock-cells = <0>;
clock-output-names = "oscclk0";
};
oscclk1: osc@1 {
/* Multiplexed AXI master clock */
compatible = "arm,vexpress-osc";
arm,vexpress-sysreg,func = <1 1>;
freq-range = <5000000 50000000>;
#clock-cells = <0>;
clock-output-names = "oscclk1";
};
osc@2 {
/* DDR2 */
compatible = "arm,vexpress-osc";
arm,vexpress-sysreg,func = <1 2>;
freq-range = <80000000 120000000>;
#clock-cells = <0>;
clock-output-names = "oscclk2";
};
oscclk3: osc@3 {
/* HDLCD */
compatible = "arm,vexpress-osc";
arm,vexpress-sysreg,func = <1 3>;
freq-range = <23750000 165000000>;
#clock-cells = <0>;
clock-output-names = "oscclk3";
};
osc@4 {
/* Test chip gate configuration */
compatible = "arm,vexpress-osc";
arm,vexpress-sysreg,func = <1 4>;
freq-range = <80000000 80000000>;
#clock-cells = <0>;
clock-output-names = "oscclk4";
};
smbclk: osc@5 {
/* SMB clock */
compatible = "arm,vexpress-osc";
arm,vexpress-sysreg,func = <1 5>;
freq-range = <25000000 60000000>;
#clock-cells = <0>;
clock-output-names = "oscclk5";
};
};
smb {
compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <1>;
ranges = <0 0 0x08000000 0x04000000>,
<1 0 0x14000000 0x04000000>,
<2 0 0x18000000 0x04000000>,
<3 0 0x1c000000 0x04000000>,
<4 0 0x0c000000 0x04000000>,
<5 0 0x10000000 0x04000000>;
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 63>;
interrupt-map = <0 0 0 &gic 0 0 4>,
<0 0 1 &gic 0 1 4>,
<0 0 2 &gic 0 2 4>,
<0 0 3 &gic 0 3 4>,
<0 0 4 &gic 0 4 4>,
<0 0 5 &gic 0 5 4>,
<0 0 42 &gic 0 42 4>;
/include/ "rtsm_ve-motherboard-aarch32.dtsi"
};
};

2
include/arch/aarch32/el3_common_macros.S
View File

@ -94,9 +94,11 @@
* from all exception levels.
* ---------------------------------------------------------------------
*/
#if (ARM_ARCH_MAJOR > 7) || defined(ARMV7_SUPPORTS_VFP)
ldr r0, =(FPEXC_RESET_VAL | FPEXC_EN_BIT)
vmsr FPEXC, r0
isb
#endif
#if (ARM_ARCH_MAJOR > 7)
/* ---------------------------------------------------------------------

5
make_helpers/armv7-a-cpus.mk
View File

@ -47,4 +47,9 @@ ifeq ($(filter yes,$(ARM_CORTEX_A7) $(ARM_CORTEX_A12) $(ARM_CORTEX_A15) $(ARM_CO
$(eval $(call add_define,ARMV7_SUPPORTS_LARGE_PAGE_ADDRESSING))
$(eval $(call add_define,ARMV7_SUPPORTS_VIRTUALIZATION))
$(eval $(call add_define,ARMV7_SUPPORTS_GENERIC_TIMER))
$(eval $(call add_define,ARMV7_SUPPORTS_VFP))
endif
ifeq ($(ARM_CORTEX_A5),yes)
$(eval $(call add_define,ARM_CORTEX_A5))
endif

4
plat/arm/board/fvp_ve/fvp_ve_def.h
View File

@ -59,7 +59,11 @@
******************************************************************************/
/* VE compatible GIC memory map */
#define VE_GICD_BASE 0x2c001000
#ifdef ARM_CORTEX_A5
#define VE_GICC_BASE 0x2c000100
#else
#define VE_GICC_BASE 0x2c002000
#endif
#define VE_GICH_BASE 0x2c004000
#define VE_GICV_BASE 0x2c006000

2
plat/arm/common/arm_bl1_setup.c
View File

@ -158,7 +158,9 @@ void arm_bl1_platform_setup(void)
#ifdef ARM_SYS_TIMCTL_BASE
arm_configure_sys_timer();
#endif
#if (ARM_ARCH_MAJOR > 7) || defined(ARMV7_SUPPORTS_GENERIC_TIMER)
write_cntfrq_el0(plat_get_syscnt_freq2());
#endif
}
void bl1_platform_setup(void)