1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
4  *
5  * This program is used to generate definitions needed by
6  * assembly language modules.
7  *
8  * We use the technique used in the OSF Mach kernel code:
9  * generate asm statements containing #defines,
10  * compile this file to assembler, and then extract the
11  * #defines from the assembly-language output.
12  */
13 
14 #include <common.h>
15 #include <linux/kbuild.h>
16 #include <linux/arm-smccc.h>
17 
18 #if defined(CONFIG_MX51) || defined(CONFIG_MX53)
19 #include <asm/arch/imx-regs.h>
20 #endif
21 
main(void)22 int main(void)
23 {
24 	/*
25 	 * TODO : Check if each entry in this file is really necessary.
26 	 *   - struct esdramc_regs
27 	 *   - struct max_regs
28 	 *   - struct aips_regs
29 	 *   - struct aipi_regs
30 	 *   - struct clkctl
31 	 *   - struct dpll
32 	 * are used only for generating asm-offsets.h.
33 	 * It means their offset addresses are referenced only from assembly
34 	 * code. Is it better to define the macros directly in headers?
35 	 */
36 
37 #if defined(CONFIG_MX51) || defined(CONFIG_MX53)
38 	/* Round up to make sure size gives nice stack alignment */
39 	DEFINE(CLKCTL_CCMR, offsetof(struct clkctl, ccr));
40 	DEFINE(CLKCTL_CCDR, offsetof(struct clkctl, ccdr));
41 	DEFINE(CLKCTL_CSR, offsetof(struct clkctl, csr));
42 	DEFINE(CLKCTL_CCSR, offsetof(struct clkctl, ccsr));
43 	DEFINE(CLKCTL_CACRR, offsetof(struct clkctl, cacrr));
44 	DEFINE(CLKCTL_CBCDR, offsetof(struct clkctl, cbcdr));
45 	DEFINE(CLKCTL_CBCMR, offsetof(struct clkctl, cbcmr));
46 	DEFINE(CLKCTL_CSCMR1, offsetof(struct clkctl, cscmr1));
47 	DEFINE(CLKCTL_CSCMR2, offsetof(struct clkctl, cscmr2));
48 	DEFINE(CLKCTL_CSCDR1, offsetof(struct clkctl, cscdr1));
49 	DEFINE(CLKCTL_CS1CDR, offsetof(struct clkctl, cs1cdr));
50 	DEFINE(CLKCTL_CS2CDR, offsetof(struct clkctl, cs2cdr));
51 	DEFINE(CLKCTL_CDCDR, offsetof(struct clkctl, cdcdr));
52 	DEFINE(CLKCTL_CHSCCDR, offsetof(struct clkctl, chsccdr));
53 	DEFINE(CLKCTL_CSCDR2, offsetof(struct clkctl, cscdr2));
54 	DEFINE(CLKCTL_CSCDR3, offsetof(struct clkctl, cscdr3));
55 	DEFINE(CLKCTL_CSCDR4, offsetof(struct clkctl, cscdr4));
56 	DEFINE(CLKCTL_CWDR, offsetof(struct clkctl, cwdr));
57 	DEFINE(CLKCTL_CDHIPR, offsetof(struct clkctl, cdhipr));
58 	DEFINE(CLKCTL_CDCR, offsetof(struct clkctl, cdcr));
59 	DEFINE(CLKCTL_CTOR, offsetof(struct clkctl, ctor));
60 	DEFINE(CLKCTL_CLPCR, offsetof(struct clkctl, clpcr));
61 	DEFINE(CLKCTL_CISR, offsetof(struct clkctl, cisr));
62 	DEFINE(CLKCTL_CIMR, offsetof(struct clkctl, cimr));
63 	DEFINE(CLKCTL_CCOSR, offsetof(struct clkctl, ccosr));
64 	DEFINE(CLKCTL_CGPR, offsetof(struct clkctl, cgpr));
65 	DEFINE(CLKCTL_CCGR0, offsetof(struct clkctl, ccgr0));
66 	DEFINE(CLKCTL_CCGR1, offsetof(struct clkctl, ccgr1));
67 	DEFINE(CLKCTL_CCGR2, offsetof(struct clkctl, ccgr2));
68 	DEFINE(CLKCTL_CCGR3, offsetof(struct clkctl, ccgr3));
69 	DEFINE(CLKCTL_CCGR4, offsetof(struct clkctl, ccgr4));
70 	DEFINE(CLKCTL_CCGR5, offsetof(struct clkctl, ccgr5));
71 	DEFINE(CLKCTL_CCGR6, offsetof(struct clkctl, ccgr6));
72 	DEFINE(CLKCTL_CMEOR, offsetof(struct clkctl, cmeor));
73 #if defined(CONFIG_MX53)
74 	DEFINE(CLKCTL_CCGR7, offsetof(struct clkctl, ccgr7));
75 #endif
76 
77 	/* DPLL */
78 	DEFINE(PLL_DP_CTL, offsetof(struct dpll, dp_ctl));
79 	DEFINE(PLL_DP_CONFIG, offsetof(struct dpll, dp_config));
80 	DEFINE(PLL_DP_OP, offsetof(struct dpll, dp_op));
81 	DEFINE(PLL_DP_MFD, offsetof(struct dpll, dp_mfd));
82 	DEFINE(PLL_DP_MFN, offsetof(struct dpll, dp_mfn));
83 	DEFINE(PLL_DP_HFS_OP, offsetof(struct dpll, dp_hfs_op));
84 	DEFINE(PLL_DP_HFS_MFD, offsetof(struct dpll, dp_hfs_mfd));
85 	DEFINE(PLL_DP_HFS_MFN, offsetof(struct dpll, dp_hfs_mfn));
86 #endif
87 
88 #ifdef CONFIG_ARM_SMCCC
89 	DEFINE(ARM_SMCCC_RES_X0_OFFS, offsetof(struct arm_smccc_res, a0));
90 	DEFINE(ARM_SMCCC_RES_X2_OFFS, offsetof(struct arm_smccc_res, a2));
91 	DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id));
92 	DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state));
93 #endif
94 
95 	return 0;
96 }
97