diff options
author | Rob Herring <robh@kernel.org> | 2018-03-27 21:06:59 -0500 |
---|---|---|
committer | Michal Simek <michal.simek@xilinx.com> | 2018-04-23 12:43:45 +0200 |
commit | 96f0e6fcc9add1f063984be32073fe8b1d39b664 (patch) | |
tree | f0abd8e3f5f8a2c55e96266898b8406f1abb4900 /arch/microblaze/kernel/prom.c | |
parent | f71044c999bf01f2875f26b0df7c0d172d257326 (diff) | |
download | linux-96f0e6fcc9add1f063984be32073fe8b1d39b664.tar.bz2 |
microblaze: remove redundant early_printk support
With earlycon support now enabled, the arch specific early_printk support
can be removed.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/microblaze/kernel/prom.c')
-rw-r--r-- | arch/microblaze/kernel/prom.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index 68f099960ebc..c76c93b90b79 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -13,91 +13,11 @@ * 2 of the License, or (at your option) any later version. */ -#include <stdarg.h> -#include <linux/export.h> #include <linux/kernel.h> #include <linux/string.h> -#include <linux/init.h> -#include <linux/threads.h> -#include <linux/spinlock.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/stringify.h> -#include <linux/delay.h> -#include <linux/initrd.h> -#include <linux/bitops.h> -#include <linux/kexec.h> -#include <linux/debugfs.h> -#include <linux/irq.h> #include <linux/memblock.h> #include <linux/of_fdt.h> -#include <asm/prom.h> -#include <asm/page.h> -#include <asm/processor.h> -#include <asm/irq.h> -#include <linux/io.h> -#include <asm/mmu.h> -#include <asm/pgtable.h> -#include <asm/sections.h> -#include <asm/pci-bridge.h> - -#ifdef CONFIG_EARLY_PRINTK -static const char *stdout; - -static int __init early_init_dt_scan_chosen_serial(unsigned long node, - const char *uname, int depth, void *data) -{ - int l; - const char *p; - - pr_debug("%s: depth: %d, uname: %s\n", __func__, depth, uname); - - if (depth == 1 && (strcmp(uname, "chosen") == 0 || - strcmp(uname, "chosen@0") == 0)) { - p = of_get_flat_dt_prop(node, "linux,stdout-path", &l); - if (p != NULL && l > 0) - stdout = p; /* store pointer to stdout-path */ - } - - if (stdout && strstr(stdout, uname)) { - p = of_get_flat_dt_prop(node, "compatible", &l); - pr_debug("Compatible string: %s\n", p); - - if ((strncmp(p, "xlnx,xps-uart16550", 18) == 0) || - (strncmp(p, "xlnx,axi-uart16550", 18) == 0)) { - unsigned int addr; - - *(u32 *)data = UART16550; - - addr = *(u32 *)of_get_flat_dt_prop(node, "reg", &l); - addr += *(u32 *)of_get_flat_dt_prop(node, - "reg-offset", &l); - /* clear register offset */ - return be32_to_cpu(addr) & ~3; - } - if ((strncmp(p, "xlnx,xps-uartlite", 17) == 0) || - (strncmp(p, "xlnx,opb-uartlite", 17) == 0) || - (strncmp(p, "xlnx,axi-uartlite", 17) == 0) || - (strncmp(p, "xlnx,mdm", 8) == 0)) { - const unsigned int *addrp; - - *(u32 *)data = UARTLITE; - - addrp = of_get_flat_dt_prop(node, "reg", &l); - return be32_to_cpup(addrp); /* return address */ - } - } - return 0; -} - -/* this function is looking for early console - Microblaze specific */ -int __init of_early_console(void *version) -{ - return of_scan_flat_dt(early_init_dt_scan_chosen_serial, version); -} -#endif - void __init early_init_devtree(void *params) { pr_debug(" -> early_init_devtree(%p)\n", params); @@ -106,8 +26,6 @@ void __init early_init_devtree(void *params) if (!strlen(boot_command_line)) strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE); - parse_early_param(); - memblock_allow_resize(); pr_debug("Phys. mem: %lx\n", (unsigned long) memblock_phys_mem_size()); |