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| author | Peng Fan <peng.fan@nxp.com> | 2018-01-10 13:20:33 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2018-02-04 12:00:58 +0100 |
| commit | ecd7ab56284613a92975a9ea5063015cb2a6ce43 (patch) | |
| tree | fcee9a43f3d49f633553bd06cccf01a51d864136 /arch | |
| parent | 8cf223133c11c8064b4c8c258403371bc1873804 (diff) | |
| download | u-boot-ecd7ab56284613a92975a9ea5063015cb2a6ce43.zip u-boot-ecd7ab56284613a92975a9ea5063015cb2a6ce43.tar.gz u-boot-ecd7ab56284613a92975a9ea5063015cb2a6ce43.tar.bz2 | |
imx: bootaux: support i.MX8M
Add i.MX8M support. Because i.MX8M use SiP call trap
to Arm Trusted Firmware to handle M4, so use #ifdef
to avoid build error on i.MX6/7.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-imx/imx_bootaux.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx_bootaux.c b/arch/arm/mach-imx/imx_bootaux.c index 0272851..6256b3a 100644 --- a/arch/arm/mach-imx/imx_bootaux.c +++ b/arch/arm/mach-imx/imx_bootaux.c @@ -6,7 +6,9 @@ #include <common.h> #include <asm/io.h> +#include <asm/mach-imx/sys_proto.h> #include <command.h> +#include <imx_sip.h> #include <linux/compiler.h> int arch_auxiliary_core_up(u32 core_id, ulong boot_private_data) @@ -24,14 +26,21 @@ int arch_auxiliary_core_up(u32 core_id, ulong boot_private_data) writel(pc, M4_BOOTROM_BASE_ADDR + 4); /* Enable M4 */ +#ifdef CONFIG_MX8M + call_imx_sip(IMX_SIP_SRC, IMX_SIP_SRC_M4_START, 0, 0); +#else clrsetbits_le32(SRC_BASE_ADDR + SRC_M4_REG_OFFSET, SRC_M4C_NON_SCLR_RST_MASK, SRC_M4_ENABLE_MASK); +#endif return 0; } int arch_auxiliary_core_check_up(u32 core_id) { +#ifdef CONFIG_MX8M + return call_imx_sip(IMX_SIP_SRC, IMX_SIP_SRC_M4_STARTED, 0, 0); +#else unsigned int val; val = readl(SRC_BASE_ADDR + SRC_M4_REG_OFFSET); @@ -40,6 +49,7 @@ int arch_auxiliary_core_check_up(u32 core_id) return 0; /* assert in reset */ return 1; +#endif } /* |