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Merge branch 'omap-for-v3.13/n900' into omap-for-v3.13/board

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This commit is contained in:
Tony Lindgren 2013-10-11 16:14:23 -07:00
commit 9e490f486e
6 changed files with 141 additions and 1 deletions
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19
arch/arm/mach-omap2/board-rx51-peripherals.c
View file

@ -57,6 +57,8 @@
#include "common-board-devices.h"
#include "gpmc.h"
#include "gpmc-onenand.h"
#include "soc.h"
#include "omap-secure.h"
#define SYSTEM_REV_B_USES_VAUX3 0x1699
#define SYSTEM_REV_S_USES_VAUX3 0x8
@ -1289,6 +1291,22 @@ static void __init rx51_init_twl4030_hwmon(void)
platform_device_register(&madc_hwmon);
}
static struct platform_device omap3_rom_rng_device = {
.name = "omap3-rom-rng",
.id = -1,
.dev = {
.platform_data = rx51_secure_rng_call,
},
};
static void __init rx51_init_omap3_rom_rng(void)
{
if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
pr_info("RX-51: Registring OMAP3 HWRNG device\n");
platform_device_register(&omap3_rom_rng_device);
}
}
void __init rx51_peripherals_init(void)
{
rx51_i2c_init();
@ -1309,5 +1327,6 @@ void __init rx51_peripherals_init(void)
rx51_charger_init();
rx51_init_twl4030_hwmon();
rx51_init_omap3_rom_rng();
}

12
arch/arm/mach-omap2/board-rx51.c
View file

@ -2,6 +2,8 @@
* Board support file for Nokia N900 (aka RX-51).
*
* Copyright (C) 2007, 2008 Nokia
* Copyright (C) 2012 Ivaylo Dimitrov <freemangordon@abv.bg>
* Copyright (C) 2013 Pali Rohár <pali.rohar@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -31,7 +33,9 @@
#include "mux.h"
#include "gpmc.h"
#include "pm.h"
#include "soc.h"
#include "sdram-nokia.h"
#include "omap-secure.h"
#define RX51_GPIO_SLEEP_IND 162
@ -103,6 +107,14 @@ static void __init rx51_init(void)
usb_musb_init(&musb_board_data);
rx51_peripherals_init();
if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
#ifdef CONFIG_ARM_ERRATA_430973
pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
/* set IBE to 1 */
rx51_secure_update_aux_cr(BIT(6), 0);
#endif
}
/* Ensure SDRC pins are mux'd for self-refresh */
omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);

1
arch/arm/mach-omap2/cclock3xxx_data.c
View file

@ -3275,6 +3275,7 @@ static struct omap_clk omap36xx_clks[] = {
static struct omap_clk omap34xx_omap36xx_clks[] = {
CLK(NULL, "aes1_ick", &aes1_ick),
CLK("omap_rng", "ick", &rng_ick),
CLK("omap3-rom-rng", "ick", &rng_ick),
CLK(NULL, "sha11_ick", &sha11_ick),
CLK(NULL, "des1_ick", &des1_ick),
CLK(NULL, "cam_mclk", &cam_mclk),

76
arch/arm/mach-omap2/omap-secure.c
View file

@ -3,6 +3,8 @@
*
* Copyright (C) 2011 Texas Instruments, Inc.
* Santosh Shilimkar <santosh.shilimkar@ti.com>
* Copyright (C) 2012 Ivaylo Dimitrov <freemangordon@abv.bg>
* Copyright (C) 2013 Pali Rohár <pali.rohar@gmail.com>
*
*
* This program is free software,you can redistribute it and/or modify
@ -70,3 +72,77 @@ phys_addr_t omap_secure_ram_mempool_base(void)
{
return omap_secure_memblock_base;
}
/**
* rx51_secure_dispatcher: Routine to dispatch secure PPA API calls
* @idx: The PPA API index
* @process: Process ID
* @flag: The flag indicating criticality of operation
* @nargs: Number of valid arguments out of four.
* @arg1, arg2, arg3 args4: Parameters passed to secure API
*
* Return the non-zero error value on failure.
*
* NOTE: rx51_secure_dispatcher differs from omap_secure_dispatcher because
* it calling omap_smc3() instead omap_smc2() and param[0] is nargs+1
*/
u32 rx51_secure_dispatcher(u32 idx, u32 process, u32 flag, u32 nargs,
u32 arg1, u32 arg2, u32 arg3, u32 arg4)
{
u32 ret;
u32 param[5];
param[0] = nargs+1; /* RX-51 needs number of arguments + 1 */
param[1] = arg1;
param[2] = arg2;
param[3] = arg3;
param[4] = arg4;
/*
* Secure API needs physical address
* pointer for the parameters
*/
local_irq_disable();
local_fiq_disable();
flush_cache_all();
outer_clean_range(__pa(param), __pa(param + 5));
ret = omap_smc3(idx, process, flag, __pa(param));
flush_cache_all();
local_fiq_enable();
local_irq_enable();
return ret;
}
/**
* rx51_secure_update_aux_cr: Routine to modify the contents of Auxiliary Control Register
* @set_bits: bits to set in ACR
* @clr_bits: bits to clear in ACR
*
* Return the non-zero error value on failure.
*/
u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits)
{
u32 acr;
/* Read ACR */
asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr));
acr &= ~clear_bits;
acr |= set_bits;
return rx51_secure_dispatcher(RX51_PPA_WRITE_ACR,
0,
FLAG_START_CRITICAL,
1, acr, 0, 0, 0);
}
/**
* rx51_secure_rng_call: Routine for HW random generator
*/
u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag)
{
return rx51_secure_dispatcher(RX51_PPA_HWRNG,
0,
NO_FLAG,
3, ptr, count, flag, 0);
}

13
arch/arm/mach-omap2/omap-secure.h
View file

@ -3,6 +3,8 @@
*
* Copyright (C) 2011 Texas Instruments, Inc.
* Santosh Shilimkar <santosh.shilimkar@ti.com>
* Copyright (C) 2012 Ivaylo Dimitrov <freemangordon@abv.bg>
* Copyright (C) 2013 Pali Rohár <pali.rohar@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -46,14 +48,25 @@
#define OMAP4_PPA_L2_POR_INDEX 0x23
#define OMAP4_PPA_CPU_ACTRL_SMP_INDEX 0x25
/* Secure RX-51 PPA (Primary Protected Application) APIs */
#define RX51_PPA_HWRNG 29
#define RX51_PPA_L2_INVAL 40
#define RX51_PPA_WRITE_ACR 42
#ifndef __ASSEMBLER__
extern u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs,
u32 arg1, u32 arg2, u32 arg3, u32 arg4);
extern u32 omap_smc2(u32 id, u32 falg, u32 pargs);
extern u32 omap_smc3(u32 id, u32 process, u32 flag, u32 pargs);
extern phys_addr_t omap_secure_ram_mempool_base(void);
extern int omap_secure_ram_reserve_memblock(void);
extern u32 rx51_secure_dispatcher(u32 idx, u32 process, u32 flag, u32 nargs,
u32 arg1, u32 arg2, u32 arg3, u32 arg4);
extern u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits);
extern u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag);
#ifdef CONFIG_OMAP4_ERRATA_I688
extern int omap_barrier_reserve_memblock(void);
#else

21
arch/arm/mach-omap2/omap-smc.S
View file

@ -1,9 +1,11 @@
/*
* OMAP44xx secure APIs file.
* OMAP34xx and OMAP44xx secure APIs file.
*
* Copyright (C) 2010 Texas Instruments, Inc.
* Written by Santosh Shilimkar <santosh.shilimkar@ti.com>
*
* Copyright (C) 2012 Ivaylo Dimitrov <freemangordon@abv.bg>
* Copyright (C) 2013 Pali Rohár <pali.rohar@gmail.com>
*
* This program is free software,you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -54,6 +56,23 @@ ENTRY(omap_smc2)
ldmfd sp!, {r4-r12, pc}
ENDPROC(omap_smc2)
/**
* u32 omap_smc3(u32 service_id, u32 process_id, u32 flag, u32 pargs)
* Low level common routine for secure HAL and PPA APIs via smc #1
* r0 - @service_id: Secure Service ID
* r1 - @process_id: Process ID
* r2 - @flag: Flag to indicate the criticality of operation
* r3 - @pargs: Physical address of parameter list
*/
ENTRY(omap_smc3)
stmfd sp!, {r4-r11, lr}
mov r12, r0 @ Copy the secure service ID
mov r6, #0xff @ Indicate new Task call
dsb @ Memory Barrier (not sure if needed, copied from omap_smc2)
smc #1 @ Call PPA service
ldmfd sp!, {r4-r11, pc}
ENDPROC(omap_smc3)
ENTRY(omap_modify_auxcoreboot0)
stmfd sp!, {r1-r12, lr}
ldr r12, =0x104