* Richard Woodruff <r-woodruff2@ti.com>
* Syed Mohammed Khasim <khasim@ti.com>
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <version.h>
#include <asm/arch/mem.h>
#include <asm/arch/clocks_omap3.h>
-
-_TEXT_BASE:
- .word CONFIG_SYS_TEXT_BASE /* sdram load addr from config.mk */
+#include <linux/linkage.h>
#ifdef CONFIG_SPL_BUILD
-.global save_boot_params
-save_boot_params:
+ENTRY(save_boot_params)
ldr r4, =omap3_boot_device
ldr r5, [r0, #0x4]
and r5, r5, #0xff
str r5, [r4]
bx lr
+ENDPROC(save_boot_params)
#endif
-.global omap3_gp_romcode_call
-omap3_gp_romcode_call:
+ENTRY(omap3_gp_romcode_call)
PUSH {r4-r12, lr} @ Save all registers from ROM code!
MOV r12, r0 @ Copy the Service ID in R12
MOV r0, r1 @ Copy parameter to R0
.word 0xe1600070 @ SMC #0 to enter monitor - hand assembled
@ because we use -march=armv5
POP {r4-r12, pc}
+ENDPROC(omap3_gp_romcode_call)
/*
* Funtion for making PPA HAL API calls in secure devices
* R0 - Service ID
* R1 - paramer list
*/
-.global do_omap3_emu_romcode_call
-do_omap3_emu_romcode_call:
+ENTRY(do_omap3_emu_romcode_call)
PUSH {r4-r12, lr} @ Save all registers from ROM code!
MOV r12, r0 @ Copy the Secure Service ID in R12
MOV r3, r1 @ Copy the pointer to va_list in R3
.word 0xe1600071 @ SMC #1 to call PPA service - hand assembled
@ because we use -march=armv5
POP {r4-r12, pc}
+ENDPROC(do_omap3_emu_romcode_call)
#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_NAND_BOOT)
/**************************************************************************
* cpy_clk_code: relocates clock code into SRAM where its safer to execute
* R1 = SRAM destination address.
*************************************************************************/
-.global cpy_clk_code
- cpy_clk_code:
+ENTRY(cpy_clk_code)
/* Copy DPLL code into SRAM */
- adr r0, go_to_speed /* get addr of clock setting code */
- mov r2, #384 /* r2 size to copy (div by 32 bytes) */
- mov r1, r1 /* r1 <- dest address (passed in) */
- add r2, r2, r0 /* r2 <- source end address */
+ adr r0, go_to_speed /* copy from start of go_to_speed... */
+ adr r2, lowlevel_init /* ... up to start of low_level_init */
next2:
ldmia r0!, {r3 - r10} /* copy from source address [r0] */
stmia r1!, {r3 - r10} /* copy to target address [r1] */
cmp r0, r2 /* until source end address [r2] */
- bne next2
+ blo next2
mov pc, lr /* back to caller */
+ENDPROC(cpy_clk_code)
/* ***************************************************************************
* go_to_speed: -Moves to bypass, -Commits clock dividers, -puts dpll at speed
* L3 when its not in self refresh seems bad for it. Normally, this
* code runs from flash before SDR is init so that should be ok.
****************************************************************************/
-.global go_to_speed
- go_to_speed:
+ENTRY(go_to_speed)
stmfd sp!, {r4 - r6}
/* move into fast relock bypass */
nop
ldmfd sp!, {r4 - r6}
mov pc, lr /* back to caller, locked */
+ENDPROC(go_to_speed)
_go_to_speed: .word go_to_speed
#endif
-.globl lowlevel_init
-lowlevel_init:
+ENTRY(lowlevel_init)
ldr sp, SRAM_STACK
- str ip, [sp] /* stash old link register */
+ str ip, [sp] /* stash ip register */
mov ip, lr /* save link reg across call */
#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_ONENAND_BOOT)
/*
ldr r1, =SRAM_CLK_CODE
bl cpy_clk_code
#endif /* NAND Boot */
- bl s_init /* go setup pll, mux, memory */
- ldr ip, [sp] /* restore save ip */
mov lr, ip /* restore link reg */
+ ldr ip, [sp] /* restore save ip */
+ /* tail-call s_init to setup pll, mux, memory */
+ b s_init
- /* back to arch calling code */
- mov pc, lr
+ENDPROC(lowlevel_init)
/* the literal pools origin */
.ltorg
.word 26000, 432, 12, 9, 16, 9, 4, 3, 1
.word 38400, 360, 15, 9, 16, 5, 4, 3, 1
-.globl get_36x_mpu_dpll_param
-get_36x_mpu_dpll_param:
+per2_36x_dpll_param:
+/* 12MHz */
+.word PER2_36XX_M_12, PER2_36XX_N_12, 0, PER2_36XX_M2_12
+/* 13MHz */
+.word PER2_36XX_M_13, PER2_36XX_N_13, 0, PER2_36XX_M2_13
+/* 19.2MHz */
+.word PER2_36XX_M_19P2, PER2_36XX_N_19P2, 0, PER2_36XX_M2_19P2
+/* 26MHz */
+.word PER2_36XX_M_26, PER2_36XX_N_26, 0, PER2_36XX_M2_26
+/* 38.4MHz */
+.word PER2_36XX_M_38P4, PER2_36XX_N_38P4, 0, PER2_36XX_M2_38P4
+
+
+ENTRY(get_36x_mpu_dpll_param)
adr r0, mpu_36x_dpll_param
mov pc, lr
+ENDPROC(get_36x_mpu_dpll_param)
-.globl get_36x_iva_dpll_param
-get_36x_iva_dpll_param:
+ENTRY(get_36x_iva_dpll_param)
adr r0, iva_36x_dpll_param
mov pc, lr
+ENDPROC(get_36x_iva_dpll_param)
-.globl get_36x_core_dpll_param
-get_36x_core_dpll_param:
+ENTRY(get_36x_core_dpll_param)
adr r0, core_36x_dpll_param
mov pc, lr
+ENDPROC(get_36x_core_dpll_param)
-.globl get_36x_per_dpll_param
-get_36x_per_dpll_param:
+ENTRY(get_36x_per_dpll_param)
adr r0, per_36x_dpll_param
mov pc, lr
+ENDPROC(get_36x_per_dpll_param)
+
+ENTRY(get_36x_per2_dpll_param)
+ adr r0, per2_36x_dpll_param
+ mov pc, lr
+ENDPROC(get_36x_per2_dpll_param)
projects / kernel / u-boot.git / blobdiff