mirror of https://github.com/hak5/openwrt-owl.git
brcm47xx: deactivate early printk support
This breaks some devices where the serial console is not at port 0 but somewhere else. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 39060owl
parent
952db22551
commit
36197755dc
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@ -49,8 +49,7 @@ CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
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CONFIG_CPU_SUPPORTS_HIGHMEM=y
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CONFIG_CSRC_R4K=y
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CONFIG_DMA_NONCOHERENT=y
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CONFIG_EARLY_PRINTK=y
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CONFIG_EARLY_PRINTK_8250=y
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# CONFIG_EARLY_PRINTK is not set
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CONFIG_GENERIC_ATOMIC64=y
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CONFIG_GENERIC_CLOCKEVENTS=y
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CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
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@ -51,50 +51,3 @@ Date: Thu Sep 19 22:48:35 2013 +0200
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}
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void __init prom_free_prom_memory(void)
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--- a/arch/mips/bcm47xx/setup.c
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+++ b/arch/mips/bcm47xx/setup.c
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@@ -123,6 +123,28 @@ static int bcm47xx_get_invariants(struct
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return 0;
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}
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+/*
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+ * This is the second serial on the chip common core, it is at this position
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+ * for sb (ssb) and ai (bcma) bus.
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+ */
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+#define BCM47XX_SERIAL1_ADDR (SSB_ENUM_BASE + SSB_CHIPCO_UART1_DATA)
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+
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+static void __init bcm47xx_swap_serial_ssb(struct ssb_mipscore *mcore)
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+{
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+ struct ssb_serial_port port;
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+
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+ printk(KERN_INFO "Swapping serial ports\n");
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+
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+ setup_8250_early_printk_port(CKSEG1ADDR(BCM47XX_SERIAL1_ADDR), 0, 0);
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+
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+ /* swap serial ports */
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+ memcpy(&port, &mcore->serial_ports[0], sizeof(port));
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+ memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port));
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+ memcpy(&mcore->serial_ports[1], &port, sizeof(port));
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+
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+ printk(KERN_INFO "Serial port were Swapped\n");
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+}
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+
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static void __init bcm47xx_register_ssb(void)
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{
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int err;
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@@ -142,14 +164,7 @@ static void __init bcm47xx_register_ssb(
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mcore = &bcm47xx_bus.ssb.mipscore;
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if (bcm47xx_nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
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if (strstr(buf, "console=ttyS1")) {
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- struct ssb_serial_port port;
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-
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- printk(KERN_DEBUG "Swapping serial ports!\n");
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- /* swap serial ports */
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- memcpy(&port, &mcore->serial_ports[0], sizeof(port));
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- memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1],
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- sizeof(port));
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- memcpy(&mcore->serial_ports[1], &port, sizeof(port));
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+ bcm47xx_swap_serial_ssb(mcore);
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}
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}
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}
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@ -8,7 +8,7 @@
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#include <bcm47xx.h>
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#include <bcm47xx_nvram.h>
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#include <bcm47xx_board.h>
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@@ -214,6 +215,15 @@ static void __init bcm47xx_register_bcma
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@@ -199,6 +200,15 @@ static void __init bcm47xx_register_bcma
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panic("Failed to initialize BCMA bus (err %d)", err);
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bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL);
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@ -8,7 +8,7 @@
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#include <asm/bootinfo.h>
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#include <asm/prom.h>
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#include <asm/reboot.h>
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@@ -254,6 +255,33 @@ void __init plat_mem_setup(void)
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@@ -239,6 +240,33 @@ void __init plat_mem_setup(void)
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mips_set_machine_name(bcm47xx_board_get_name());
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}
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@ -42,7 +42,7 @@
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static int __init bcm47xx_register_bus_complete(void)
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{
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switch (bcm47xx_bus_type) {
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@@ -268,6 +296,8 @@ static int __init bcm47xx_register_bus_c
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@@ -253,6 +281,8 @@ static int __init bcm47xx_register_bus_c
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break;
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#endif
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}
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