Working early_printk for Edison's HSU.

This hard-codes the address that port 2 would use.

diff --git a/arch/x86/platform/intel-mid/early_printk_intel_mid.c b/arch/x86/platform/intel-mid/early_printk_intel_mid.c
index 3b361bd..3d32527 100644 (file)
--- a/arch/x86/platform/intel-mid/early_printk_intel_mid.c
+++ b/arch/x86/platform/intel-mid/early_printk_intel_mid.c
@@ -409,24 +409,8 @@ void hsu_early_console_init(const char *s)
        u8 lcr;
        int *clkctl;
 
-       if (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_TANGIER) {
-               paddr = MERR_HSU_PORT_BASE;
-               clkctl = (int *)set_fixmap_offset_nocache(FIX_CLOCK_CTL,
-                                                         MERR_HSU_CLK_CTL);
-       } else {
-               paddr = MFLD_HSU_PORT_BASE;
-               clkctl = NULL;
-       }
-
-       /*
-        * Select the early HSU console port if specified by user in the
-        * kernel command line.
-        */
-       if (*s && !kstrtoul(s, 10, &port))
-               port = clamp_val(port, 0, 2);
-
-       paddr += port * 0x80;
-       phsu = (void *)set_fixmap_offset_nocache(FIX_EARLYCON_MEM_BASE, paddr);
+       phsu = (void *) __va(0xff010180);
+       return;
 
        /* Disable FIFO */
        writeb(0x0, phsu + UART_FCR);