mirror of
https://github.com/AsahiLinux/u-boot
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65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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#include <common.h>
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#include <log.h>
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#include <asm/arch/sci/sci.h>
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#include <asm/mach-imx/sys_proto.h>
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#include <imx_sip.h>
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#include <linux/arm-smccc.h>
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int sc_pm_setup_uart(sc_rsrc_t uart_rsrc, sc_pm_clock_rate_t clk_rate)
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{
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sc_pm_clock_rate_t rate = clk_rate;
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int ret;
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/* Power up UARTn */
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ret = sc_pm_set_resource_power_mode(-1, uart_rsrc, SC_PM_PW_MODE_ON);
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if (ret)
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return ret;
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/* Set UARTn clock root to 'rate' MHz */
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ret = sc_pm_set_clock_rate(-1, uart_rsrc, SC_PM_CLK_PER, &rate);
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if (ret)
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return ret;
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/* Enable UARTn clock root */
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ret = sc_pm_clock_enable(-1, uart_rsrc, SC_PM_CLK_PER, true, false);
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if (ret)
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return ret;
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return 0;
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}
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void build_info(void)
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{
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struct arm_smccc_res res;
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u32 seco_build = 0, seco_commit = 0;
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u32 sc_build = 0, sc_commit = 0;
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ulong atf_commit = 0;
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/* Get SCFW build and commit id */
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sc_misc_build_info(-1, &sc_build, &sc_commit);
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if (!sc_build) {
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printf("SCFW does not support build info\n");
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sc_commit = 0; /* Display 0 if build info not supported */
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}
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/* Get SECO FW build and commit id */
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sc_seco_build_info(-1, &seco_build, &seco_commit);
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if (!seco_build) {
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debug("SECO FW does not support build info\n");
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/* Display 0 when the build info is not supported */
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seco_commit = 0;
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}
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/* Get ARM Trusted Firmware commit id */
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arm_smccc_smc(IMX_SIP_BUILDINFO, IMX_SIP_BUILDINFO_GET_COMMITHASH,
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0, 0, 0, 0, 0, 0, &res);
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atf_commit = res.a0;
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if (atf_commit == 0xffffffff) {
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debug("ATF does not support build info\n");
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atf_commit = 0x30; /* Display 0 */
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}
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printf("Build: SCFW %08x, SECO-FW %08x, ATF %s\n",
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sc_commit, seco_commit, (char *)&atf_commit);
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}
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