cregit-Linux how code gets into the kernel

Release 4.11 arch/arm/mach-davinci/include/mach/uncompress.h

/*
 * Serial port stubs for kernel decompress status messages
 *
 * Initially based on:
 * arch/arm/plat-omap/include/mach/uncompress.h
 *
 * Original copyrights follow.
 *
 * Copyright (C) 2000 RidgeRun, Inc.
 * Author: Greg Lonnon <glonnon@ridgerun.com>
 *
 * Rewritten by:
 * Author: <source@mvista.com>
 * 2004 (c) MontaVista Software, Inc.
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2. This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

#include <linux/types.h>
#include <linux/serial_reg.h>

#include <asm/mach-types.h>

#include <mach/serial.h>


#define IOMEM(x)	((void __force __iomem *)(x))


u32 *uart;

/* PORT_16C550A, in polled non-fifo mode */

static inline void putc(char c) { if (!uart) return; while (!(uart[UART_LSR] & UART_LSR_THRE)) barrier(); uart[UART_TX] = c; }

Contributors

PersonTokensPropCommitsCommitProp
Kevin Hilman3181.58%133.33%
Sekhar Nori615.79%133.33%
Arnd Bergmann12.63%133.33%
Total38100.00%3100.00%


static inline void flush(void) { if (!uart) return; while (!(uart[UART_LSR] & UART_LSR_THRE)) barrier(); }

Contributors

PersonTokensPropCommitsCommitProp
Kevin Hilman2480.00%150.00%
Sekhar Nori620.00%150.00%
Total30100.00%2100.00%


static inline void set_uart_info(u32 phys) { uart = (u32 *)phys; }

Contributors

PersonTokensPropCommitsCommitProp
Cyril Chemparathy18100.00%1100.00%
Total18100.00%1100.00%

#define _DEBUG_LL_ENTRY(machine, phys) \ { \ if (machine_is_##machine()) { \ set_uart_info(phys); \ break; \ } \ } #define DEBUG_LL_DAVINCI(machine, port) \ _DEBUG_LL_ENTRY(machine, DAVINCI_UART##port##_BASE) #define DEBUG_LL_DA8XX(machine, port) \ _DEBUG_LL_ENTRY(machine, DA8XX_UART##port##_BASE)
static inline void __arch_decomp_setup(unsigned long arch_id) { /* * Initialize the port based on the machine ID from the bootloader. * Note that we're using macros here instead of switch statement * as machine_is functions are optimized out for the boards that * are not selected. */ do { /* Davinci boards */ DEBUG_LL_DAVINCI(davinci_evm, 0); DEBUG_LL_DAVINCI(sffsdr, 0); DEBUG_LL_DAVINCI(neuros_osd2, 0); DEBUG_LL_DAVINCI(davinci_dm355_evm, 0); DEBUG_LL_DAVINCI(dm355_leopard, 0); DEBUG_LL_DAVINCI(davinci_dm6467_evm, 0); DEBUG_LL_DAVINCI(davinci_dm365_evm, 0); /* DA8xx boards */ DEBUG_LL_DA8XX(davinci_da830_evm, 2); DEBUG_LL_DA8XX(davinci_da850_evm, 2); DEBUG_LL_DA8XX(mityomapl138, 1); DEBUG_LL_DA8XX(omapl138_hawkboard, 2); } while (0); }

Contributors

PersonTokensPropCommitsCommitProp
Cyril Chemparathy8585.86%133.33%
Michael Williamson77.07%133.33%
Victor Rodriguez77.07%133.33%
Total99100.00%3100.00%

#define arch_decomp_setup() __arch_decomp_setup(arch_id)

Overall Contributors

PersonTokensPropCommitsCommitProp
Cyril Chemparathy13454.69%111.11%
Kevin Hilman6827.76%111.11%
Sekhar Nori124.90%111.11%
Michael Williamson72.86%111.11%
Victor Rodriguez72.86%111.11%
Rob Herring72.86%111.11%
Mark A. Greer62.45%111.11%
Uwe Kleine-König31.22%111.11%
Arnd Bergmann10.41%111.11%
Total245100.00%9100.00%
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