1 // SPDX-License-Identifier: GPL-2.0+
2 #include <log.h>
3 #include <firmware/imx/sci/sci.h>
4 #include <asm/mach-imx/sys_proto.h>
5 #include <imx_sip.h>
6 #include <linux/arm-smccc.h>
7
sc_pm_setup_uart(sc_rsrc_t uart_rsrc,sc_pm_clock_rate_t clk_rate)8 int sc_pm_setup_uart(sc_rsrc_t uart_rsrc, sc_pm_clock_rate_t clk_rate)
9 {
10 sc_pm_clock_rate_t rate = clk_rate;
11 int ret;
12
13 /* Power up UARTn */
14 ret = sc_pm_set_resource_power_mode(-1, uart_rsrc, SC_PM_PW_MODE_ON);
15 if (ret)
16 return ret;
17
18 /* Set UARTn clock root to 'rate' MHz */
19 ret = sc_pm_set_clock_rate(-1, uart_rsrc, SC_PM_CLK_PER, &rate);
20 if (ret)
21 return ret;
22
23 /* Enable UARTn clock root */
24 ret = sc_pm_clock_enable(-1, uart_rsrc, SC_PM_CLK_PER, true, false);
25 if (ret)
26 return ret;
27
28 return 0;
29 }
30
build_info(void)31 void build_info(void)
32 {
33 struct arm_smccc_res res;
34 u32 seco_build = 0, seco_commit = 0;
35 u32 sc_build = 0, sc_commit = 0;
36 ulong atf_commit = 0;
37
38 /* Get SCFW build and commit id */
39 sc_misc_build_info(-1, &sc_build, &sc_commit);
40 if (!sc_build) {
41 printf("SCFW does not support build info\n");
42 sc_commit = 0; /* Display 0 if build info not supported */
43 }
44
45 /* Get SECO FW build and commit id */
46 sc_seco_build_info(-1, &seco_build, &seco_commit);
47 if (!seco_build) {
48 debug("SECO FW does not support build info\n");
49 /* Display 0 when the build info is not supported */
50 seco_commit = 0;
51 }
52
53 /* Get ARM Trusted Firmware commit id */
54 arm_smccc_smc(IMX_SIP_BUILDINFO, IMX_SIP_BUILDINFO_GET_COMMITHASH,
55 0, 0, 0, 0, 0, 0, &res);
56 atf_commit = res.a0;
57 if (atf_commit == 0xffffffff) {
58 debug("ATF does not support build info\n");
59 atf_commit = 0x30; /* Display 0 */
60 }
61
62 printf("Build: SCFW %08x, SECO-FW %08x, ATF %s\n",
63 sc_commit, seco_commit, (char *)&atf_commit);
64 }
65