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MIPS: alchemy: Share prom_init implementation

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All boards have the same prom_init() function. Move it to common code and
delete the duplicates.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Thomas Bogendoerfer
2020-10-05 13:28:45 +02:00
parent 396c7d94c3
commit 026ba130a5
5 changed files with 20 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
arch/mips/alchemy/board-gpr.c
View File

@@ -31,23 +31,6 @@ const char *get_system_type(void)
return "GPR";
}
void __init prom_init(void)
{
unsigned char *memsize_str;
unsigned long memsize;
prom_argc = fw_arg0;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
memsize = 0x04000000;
add_memory_region(0, memsize, BOOT_MEM_RAM);
}
void prom_putchar(char c)
{
alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);

17
arch/mips/alchemy/board-mtx1.c
View File

@@ -30,23 +30,6 @@ const char *get_system_type(void)
return "MTX-1";
}
void __init prom_init(void)
{
unsigned char *memsize_str;
unsigned long memsize;
prom_argc = fw_arg0;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
memsize = 0x04000000;
add_memory_region(0, memsize, BOOT_MEM_RAM);
}
void prom_putchar(char c)
{
alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);

18
arch/mips/alchemy/board-xxs1500.c
View File

@@ -25,24 +25,6 @@ const char *get_system_type(void)
return "XXS1500";
}
void __init prom_init(void)
{
unsigned char *memsize_str;
unsigned long memsize;
prom_argc = fw_arg0;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
memsize = 0x04000000;
add_memory_region(0, memsize, BOOT_MEM_RAM);
}
void prom_putchar(char c)
{
alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);

20
arch/mips/alchemy/common/prom.c
View File

@@ -34,6 +34,8 @@
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/sizes.h>
#include <linux/string.h>
#include <asm/bootinfo.h>
@@ -76,6 +78,24 @@ char *prom_getenv(char *envname)
return NULL;
}
void __init prom_init(void)
{
unsigned char *memsize_str;
unsigned long memsize;
prom_argc = (int)fw_arg0;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
memsize = SZ_64M; /* minimum memsize is 64MB RAM */
add_memory_region(0, memsize, BOOT_MEM_RAM);
}
static inline unsigned char str2hexnum(unsigned char c)
{
if (c >= '0' && c <= '9')

17
arch/mips/alchemy/devboards/platform.c
View File

@@ -20,23 +20,6 @@
#include <prom.h>
void __init prom_init(void)
{
unsigned char *memsize_str;
unsigned long memsize;
prom_argc = (int)fw_arg0;
prom_argv = (char **)fw_arg1;
prom_envp = (char **)fw_arg2;
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
memsize = 64 << 20; /* all devboards have at least 64MB RAM */
add_memory_region(0, memsize, BOOT_MEM_RAM);
}
void prom_putchar(char c)
{
if (alchemy_get_cputype() == ALCHEMY_CPU_AU1300)