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Merge git://www.denx.de/git/u-boot-ppc4xx

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This commit is contained in:
Tom Rini 2016-08-09 07:16:01 -04:00
commit 2e406dbdf5
1 changed files with 45 additions and 21 deletions
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66
arch/powerpc/cpu/ppc4xx/start.S
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@ -743,8 +743,16 @@ _start:
/*----------------------------------------------------------------*/ /*----------------------------------------------------------------*/
/* Setup the stack in internal SRAM */ /* Setup the stack in internal SRAM */
/*----------------------------------------------------------------*/ /*----------------------------------------------------------------*/
lis r1,CONFIG_SYS_INIT_RAM_ADDR@h lis r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@h
ori r1,r1,CONFIG_SYS_INIT_SP_OFFSET@l ori r1, r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@l
/*
* Reserve space for globals and store address for initialization
* with board_init_f_init_reserve() in r14
*/
mr r3, r1
bl board_init_f_alloc_reserve
mr r1, r3
mr r14, r3
li r0,0 li r0,0
stwu r0,-4(r1) stwu r0,-4(r1)
stwu r0,-4(r1) /* Terminate call chain */ stwu r0,-4(r1) /* Terminate call chain */
@ -760,13 +768,9 @@ _start:
#endif #endif
bl cpu_init_f /* run low-level CPU init code (from Flash) */ bl cpu_init_f /* run low-level CPU init code (from Flash) */
mr r3, r1 /* address for globals was stored in r14 */
bl board_init_f_alloc_reserve mr r3, r14
mr r1, r3
bl board_init_f_init_reserve bl board_init_f_init_reserve
li r0,0
stwu r0, -4(r1)
stwu r0, -4(r1)
li r3, 0 li r3, 0
bl board_init_f bl board_init_f
/* NOTREACHED - board_init_f() does not return */ /* NOTREACHED - board_init_f() does not return */
@ -831,8 +835,16 @@ _start:
* for their primordial stack, setup stack here directly after the * for their primordial stack, setup stack here directly after the
* SDRAM is initialized in ext_bus_cntlr_init. * SDRAM is initialized in ext_bus_cntlr_init.
*/ */
lis r1, CONFIG_SYS_INIT_RAM_ADDR@h lis r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@h
ori r1,r1,CONFIG_SYS_INIT_SP_OFFSET /* set up the stack in SDRAM */ ori r1, r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@l
/*
* Reserve space for globals and store address for initialization
* with board_init_f_init_reserve() in r14
*/
mr r3, r1
bl board_init_f_alloc_reserve
mr r1, r3
mr r14, r3
li r0, 0 /* Make room for stack frame header and */ li r0, 0 /* Make room for stack frame header and */
stwu r0, -4(r1) /* clear final stack frame so that */ stwu r0, -4(r1) /* clear final stack frame so that */
@ -972,8 +984,16 @@ _start:
* Load the initial stack pointer and data area and convert the size, * Load the initial stack pointer and data area and convert the size,
* in bytes, to the number of words to initialize to a known value. * in bytes, to the number of words to initialize to a known value.
*/ */
lis r1, CONFIG_SYS_INIT_RAM_ADDR@h lis r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@h
ori r1, r1, CONFIG_SYS_INIT_SP_OFFSET@l ori r1, r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@l
/*
* Reserve space for globals and store address for initialization
* with board_init_f_init_reserve() in r14
*/
mr r3, r1
bl board_init_f_alloc_reserve
mr r1, r3
mr r14, r3
lis r4, (CONFIG_SYS_INIT_RAM_SIZE >> 2)@h lis r4, (CONFIG_SYS_INIT_RAM_SIZE >> 2)@h
ori r4, r4, (CONFIG_SYS_INIT_RAM_SIZE >> 2)@l ori r4, r4, (CONFIG_SYS_INIT_RAM_SIZE >> 2)@l
@ -993,6 +1013,7 @@ _start:
* Make room for stack frame header and clear final stack frame so * Make room for stack frame header and clear final stack frame so
* that stack backtraces terminate cleanly. * that stack backtraces terminate cleanly.
*/ */
li r0, 0
stwu r0, -4(r1) stwu r0, -4(r1)
stwu r0, -4(r1) stwu r0, -4(r1)
@ -1011,10 +1032,16 @@ _start:
/* /*
* Stack in OCM. * Stack in OCM.
*/ */
lis r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@h
/* Set up Stack at top of OCM */ ori r1, r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@l
lis r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)@h /*
ori r1, r1, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)@l * Reserve space for globals and store address for initialization
* with board_init_f_init_reserve() in r14
*/
mr r3, r1
bl board_init_f_alloc_reserve
mr r1, r3
mr r14, r3
/* Set up a zeroized stack frame so that backtrace works right */ /* Set up a zeroized stack frame so that backtrace works right */
li r0, 0 li r0, 0
@ -1035,12 +1062,9 @@ _start:
GET_GOT /* initialize GOT access */ GET_GOT /* initialize GOT access */
bl cpu_init_f /* run low-level CPU init code (from Flash) */ bl cpu_init_f /* run low-level CPU init code (from Flash) */
mr r3, r1 /* address for globals was stored in r14 */
bl board_init_f_alloc_reserve mr r3, r14
mr r1, r3
bl board_init_f_init_reserve bl board_init_f_init_reserve
stwu r0, -4(r1)
stwu r0, -4(r1)
li r3, 0 li r3, 0
bl board_init_f /* run first part of init code (from Flash) */ bl board_init_f /* run first part of init code (from Flash) */
/* NOTREACHED - board_init_f() does not return */ /* NOTREACHED - board_init_f() does not return */