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-rw-r--r--arch/arm/Kconfig17
-rw-r--r--arch/arm/cpu/arm1136/mx31/timer.c104
-rw-r--r--arch/arm/cpu/arm1136/mx35/timer.c83
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c13
-rw-r--r--arch/arm/cpu/armv7/exynos/Kconfig1
-rw-r--r--arch/arm/cpu/armv7/mx6/clock.c27
-rw-r--r--arch/arm/cpu/armv7/mx6/hab.c169
-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c39
-rw-r--r--arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S22
-rw-r--r--arch/arm/cpu/armv7/s5pc1xx/Kconfig25
-rw-r--r--arch/arm/cpu/armv7/s5pc1xx/cache.S30
-rw-r--r--arch/arm/cpu/armv7/s5pc1xx/cache.c47
-rw-r--r--arch/arm/dts/Makefile3
-rw-r--r--arch/arm/dts/exynos4210-smdkv310.dts21
-rw-r--r--arch/arm/dts/exynos5420-peach-pit.dts57
-rw-r--r--arch/arm/dts/s5pc1xx-goni.dts28
-rw-r--r--arch/arm/dts/s5pc1xx-smdkc100.dts29
-rw-r--r--arch/arm/include/asm/arch-mx31/imx-regs.h10
-rw-r--r--arch/arm/include/asm/arch-mx35/imx-regs.h12
-rw-r--r--arch/arm/include/asm/arch-mx6/clock.h1
-rw-r--r--arch/arm/include/asm/arch-mx6/hab.h16
-rw-r--r--arch/arm/include/asm/arch-mx6/imx-regs.h9
-rw-r--r--arch/arm/include/asm/arch-s5pc1xx/periph.h61
-rw-r--r--arch/arm/include/asm/arch-s5pc1xx/pinmux.h50
24 files changed, 622 insertions, 252 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 43ba33a2af..72558b8562 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -336,6 +336,9 @@ config TARGET_BCM958622HR
config ARCH_EXYNOS
bool "Samsung EXYNOS"
+config ARCH_S5PC1XX
+ bool "Samsung S5PC1XX"
+
config ARCH_HIGHBANK
bool "Calxeda Highbank"
@@ -414,6 +417,9 @@ config TARGET_HUMMINGBOARD
config TARGET_TQMA6
bool "TQ Systems TQMa6 board"
+config TARGET_OT1200
+ bool "Bachmann OT1200"
+
config OMAP34XX
bool "OMAP34XX SoC"
@@ -429,12 +435,6 @@ config RMOBILE
config TARGET_CM_FX6
bool "Support cm_fx6"
-config TARGET_S5P_GONI
- bool "Support s5p_goni"
-
-config TARGET_SMDKC100
- bool "Support smdkc100"
-
config TARGET_SOCFPGA_CYCLONE5
bool "Support socfpga_cyclone5"
@@ -550,6 +550,8 @@ source "arch/arm/cpu/arm926ejs/orion5x/Kconfig"
source "arch/arm/cpu/armv7/rmobile/Kconfig"
+source "arch/arm/cpu/armv7/s5pc1xx/Kconfig"
+
source "arch/arm/cpu/armv7/tegra-common/Kconfig"
source "arch/arm/cpu/armv7/uniphier/Kconfig"
@@ -583,6 +585,7 @@ source "board/atmel/at91sam9rlek/Kconfig"
source "board/atmel/at91sam9x5ek/Kconfig"
source "board/atmel/sama5d3_xplained/Kconfig"
source "board/atmel/sama5d3xek/Kconfig"
+source "board/bachmann/ot1200/Kconfig"
source "board/balloon3/Kconfig"
source "board/barco/titanium/Kconfig"
source "board/bluegiga/apx4devkit/Kconfig"
@@ -657,9 +660,7 @@ source "board/raspberrypi/rpi_b/Kconfig"
source "board/ronetix/pm9261/Kconfig"
source "board/ronetix/pm9263/Kconfig"
source "board/ronetix/pm9g45/Kconfig"
-source "board/samsung/goni/Kconfig"
source "board/samsung/smdk2410/Kconfig"
-source "board/samsung/smdkc100/Kconfig"
source "board/sandisk/sansa_fuze_plus/Kconfig"
source "board/scb9328/Kconfig"
source "board/schulercontrol/sc_sps_1/Kconfig"
diff --git a/arch/arm/cpu/arm1136/mx31/timer.c b/arch/arm/cpu/arm1136/mx31/timer.c
index f111242e53..3a81ce427c 100644
--- a/arch/arm/cpu/arm1136/mx31/timer.c
+++ b/arch/arm/cpu/arm1136/mx31/timer.c
@@ -7,9 +7,6 @@
#include <common.h>
#include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-#include <div64.h>
-#include <watchdog.h>
#include <asm/io.h>
#define TIMER_BASE 0x53f90000 /* General purpose timer 1 */
@@ -28,57 +25,6 @@
DECLARE_GLOBAL_DATA_PTR;
-/*
- * "time" is measured in 1 / CONFIG_SYS_HZ seconds,
- * "tick" is internal timer period
- */
-
-#ifdef CONFIG_MX31_TIMER_HIGH_PRECISION
-/* ~0.4% error - measured with stop-watch on 100s boot-delay */
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
- tick *= CONFIG_SYS_HZ;
- do_div(tick, MXC_CLK32);
- return tick;
-}
-
-static inline unsigned long long time_to_tick(unsigned long long time)
-{
- time *= MXC_CLK32;
- do_div(time, CONFIG_SYS_HZ);
- return time;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
- us = us * MXC_CLK32 + 999999;
- do_div(us, 1000000);
- return us;
-}
-#else
-/* ~2% error */
-#define TICK_PER_TIME ((MXC_CLK32 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ)
-#define US_PER_TICK (1000000 / MXC_CLK32)
-
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
- do_div(tick, TICK_PER_TIME);
- return tick;
-}
-
-static inline unsigned long long time_to_tick(unsigned long long time)
-{
- return time * TICK_PER_TIME;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
- us += US_PER_TICK - 1;
- do_div(us, US_PER_TICK);
- return us;
-}
-#endif
-
/* The 32768Hz 32-bit timer overruns in 131072 seconds */
int timer_init(void)
{
@@ -95,53 +41,7 @@ int timer_init(void)
return 0;
}
-unsigned long long get_ticks(void)
-{
- ulong now = GPTCNT; /* current tick value */
-
- if (now >= gd->arch.lastinc) /* normal mode (non roll) */
- /* move stamp forward with absolut diff ticks */
- gd->arch.tbl += (now - gd->arch.lastinc);
- else /* we have rollover of incrementer */
- gd->arch.tbl += (0xFFFFFFFF - gd->arch.lastinc) + now;
- gd->arch.lastinc = now;
- return gd->arch.tbl;
-}
-
-ulong get_timer_masked(void)
-{
- /*
- * get_ticks() returns a long long (64 bit), it wraps in
- * 2^64 / MXC_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
- * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
- * 5 * 10^6 days - long enough.
- */
- return tick_to_time(get_ticks());
-}
-
-ulong get_timer(ulong base)
-{
- return get_timer_masked() - base;
-}
-
-/* delay x useconds AND preserve advance timestamp value */
-void __udelay(unsigned long usec)
-{
- unsigned long long tmp;
- ulong tmo;
-
- tmo = us_to_tick(usec);
- tmp = get_ticks() + tmo; /* get current timestamp */
-
- while (get_ticks() < tmp) /* loop till event */
- /*NOP*/;
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
+unsigned long timer_read_counter(void)
{
- return MXC_CLK32;
+ return GPTCNT;
}
diff --git a/arch/arm/cpu/arm1136/mx35/timer.c b/arch/arm/cpu/arm1136/mx35/timer.c
index cc6166f938..4edf533e2a 100644
--- a/arch/arm/cpu/arm1136/mx35/timer.c
+++ b/arch/arm/cpu/arm1136/mx35/timer.c
@@ -9,16 +9,11 @@
#include <common.h>
#include <asm/io.h>
-#include <div64.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/crm_regs.h>
-#include <asm/arch/clock.h>
DECLARE_GLOBAL_DATA_PTR;
-#define timestamp (gd->arch.tbl)
-#define lastinc (gd->arch.lastinc)
-
/* General purpose timers bitfields */
#define GPTCR_SWR (1<<15) /* Software reset */
#define GPTCR_FRR (1<<9) /* Freerun / restart */
@@ -26,27 +21,6 @@ DECLARE_GLOBAL_DATA_PTR;
#define GPTCR_TEN (1) /* Timer enable */
/*
- * "time" is measured in 1 / CONFIG_SYS_HZ seconds,
- * "tick" is internal timer period
- */
-/* ~0.4% error - measured with stop-watch on 100s boot-delay */
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
- tick *= CONFIG_SYS_HZ;
- do_div(tick, MXC_CLK32);
-
- return tick;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
- us = us * MXC_CLK32 + 999999;
- do_div(us, 1000000);
-
- return us;
-}
-
-/*
* nothing really to do with interrupts, just starts up a counter.
* The 32KHz 32-bit timer overruns in 134217 seconds
*/
@@ -71,60 +45,3 @@ int timer_init(void)
return 0;
}
-
-unsigned long long get_ticks(void)
-{
- struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR;
- ulong now = readl(&gpt->counter); /* current tick value */
-
- if (now >= lastinc) {
- /*
- * normal mode (non roll)
- * move stamp forward with absolut diff ticks
- */
- timestamp += (now - lastinc);
- } else {
- /* we have rollover of incrementer */
- timestamp += (0xFFFFFFFF - lastinc) + now;
- }
- lastinc = now;
- return timestamp;
-}
-
-ulong get_timer_masked(void)
-{
- /*
- * get_ticks() returns a long long (64 bit), it wraps in
- * 2^64 / MXC_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
- * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
- * 5 * 10^6 days - long enough.
- */
- return tick_to_time(get_ticks());
-}
-
-ulong get_timer(ulong base)
-{
- return get_timer_masked() - base;
-}
-
-/* delay x useconds AND preserve advance timstamp value */
-void __udelay(unsigned long usec)
-{
- unsigned long long tmp;
- ulong tmo;
-
- tmo = us_to_tick(usec);
- tmp = get_ticks() + tmo; /* get current timestamp */
-
- while (get_ticks() < tmp) /* loop till event */
- /*NOP*/;
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
- return MXC_CLK32;
-}
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
index 3baf4ddefc..97ef67d8c5 100644
--- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
@@ -240,9 +240,14 @@ static void mx23_mem_setup_vddmem(void)
struct mxs_power_regs *power_regs =
(struct mxs_power_regs *)MXS_POWER_BASE;
+ /* We must wait before and after disabling the current limiter! */
+ early_delay(10000);
+
clrbits_le32(&power_regs->hw_power_vddmemctrl,
POWER_VDDMEMCTRL_ENABLE_ILIMIT);
+ early_delay(10000);
+
}
static void mx23_mem_init(void)
@@ -269,7 +274,13 @@ static void mx23_mem_init(void)
setbits_le32(MXS_DRAM_BASE + 0x20, 1 << 16);
clrbits_le32(MXS_DRAM_BASE + 0x40, 1 << 17);
- early_delay(20000);
+
+ /* Wait for EMI_STAT bit DRAM_HALTED */
+ for (;;) {
+ if (!(readl(MXS_EMI_BASE + 0x10) & (1 << 1)))
+ break;
+ early_delay(1000);
+ }
/* Adjust EMI port priority. */
clrsetbits_le32(0x80020000, 0x1f << 16, 0x2);
diff --git a/arch/arm/cpu/armv7/exynos/Kconfig b/arch/arm/cpu/armv7/exynos/Kconfig
index e7c93d8c1f..7a0d182e5f 100644
--- a/arch/arm/cpu/armv7/exynos/Kconfig
+++ b/arch/arm/cpu/armv7/exynos/Kconfig
@@ -5,6 +5,7 @@ choice
config TARGET_SMDKV310
bool "Exynos4210 SMDKV310 board"
+ select OF_CONTROL if !SPL_BUILD
config TARGET_TRATS
bool "Exynos4210 Trats board"
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
index 336e557a27..d200531030 100644
--- a/arch/arm/cpu/armv7/mx6/clock.c
+++ b/arch/arm/cpu/armv7/mx6/clock.c
@@ -642,6 +642,33 @@ int enable_pcie_clock(void)
BM_ANADIG_PLL_ENET_ENABLE_PCIE);
}
+#ifdef CONFIG_SECURE_BOOT
+void hab_caam_clock_enable(unsigned char enable)
+{
+ u32 reg;
+
+ /* CG4 ~ CG6, CAAM clocks */
+ reg = __raw_readl(&imx_ccm->CCGR0);
+ if (enable)
+ reg |= (MXC_CCM_CCGR0_CAAM_WRAPPER_IPG_MASK |
+ MXC_CCM_CCGR0_CAAM_WRAPPER_ACLK_MASK |
+ MXC_CCM_CCGR0_CAAM_SECURE_MEM_MASK);
+ else
+ reg &= ~(MXC_CCM_CCGR0_CAAM_WRAPPER_IPG_MASK |
+ MXC_CCM_CCGR0_CAAM_WRAPPER_ACLK_MASK |
+ MXC_CCM_CCGR0_CAAM_SECURE_MEM_MASK);
+ __raw_writel(reg, &imx_ccm->CCGR0);
+
+ /* EMI slow clk */
+ reg = __raw_readl(&imx_ccm->CCGR6);
+ if (enable)
+ reg |= MXC_CCM_CCGR6_EMI_SLOW_MASK;
+ else
+ reg &= ~MXC_CCM_CCGR6_EMI_SLOW_MASK;
+ __raw_writel(reg, &imx_ccm->CCGR6);
+}
+#endif
+
unsigned int mxc_get_clock(enum mxc_clock clk)
{
switch (clk) {
diff --git a/arch/arm/cpu/armv7/mx6/hab.c b/arch/arm/cpu/armv7/mx6/hab.c
index f6810a680d..8dee595eaf 100644
--- a/arch/arm/cpu/armv7/mx6/hab.c
+++ b/arch/arm/cpu/armv7/mx6/hab.c
@@ -1,12 +1,14 @@
/*
- * Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
+ * Copyright (C) 2010-2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
+#include <asm/system.h>
#include <asm/arch/hab.h>
+#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
/* -------- start of HAB API updates ------------*/
@@ -71,6 +73,44 @@
((hab_rvt_exit_t *)HAB_RVT_EXIT) \
)
+#define IVT_SIZE 0x20
+#define ALIGN_SIZE 0x1000
+#define CSF_PAD_SIZE 0x2000
+#define MX6DQ_PU_IROM_MMU_EN_VAR 0x009024a8
+#define MX6DLS_PU_IROM_MMU_EN_VAR 0x00901dd0
+#define MX6SL_PU_IROM_MMU_EN_VAR 0x00900a18
+
+/*
+ * +------------+ 0x0 (DDR_UIMAGE_START) -
+ * | Header | |
+ * +------------+ 0x40 |
+ * | | |
+ * | | |
+ * | | |
+ * | | |
+ * | Image Data | |
+ * . | |
+ * . | > Stuff to be authenticated ----+
+ * . | | |
+ * | | | |
+ * | | | |
+ * +------------+ | |
+ * | | | |
+ * | Fill Data | | |
+ * | | | |
+ * +------------+ Align to ALIGN_SIZE | |
+ * | IVT | | |
+ * +------------+ + IVT_SIZE - |
+ * | | |
+ * | CSF DATA | <---------------------------------------------------------+
+ * | |
+ * +------------+
+ * | |
+ * | Fill Data |
+ * | |
+ * +------------+ + CSF_PAD_SIZE
+ */
+
bool is_hab_enabled(void)
{
struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
@@ -144,6 +184,108 @@ int get_hab_status(void)
return 0;
}
+uint32_t authenticate_image(uint32_t ddr_start, uint32_t image_size)
+{
+ uint32_t load_addr = 0;
+ size_t bytes;
+ ptrdiff_t ivt_offset = 0;
+ int result = 0;
+ ulong start;
+ hab_rvt_authenticate_image_t *hab_rvt_authenticate_image;
+ hab_rvt_entry_t *hab_rvt_entry;
+ hab_rvt_exit_t *hab_rvt_exit;
+
+ hab_rvt_authenticate_image = hab_rvt_authenticate_image_p;
+ hab_rvt_entry = hab_rvt_entry_p;
+ hab_rvt_exit = hab_rvt_exit_p;
+
+ if (is_hab_enabled()) {
+ printf("\nAuthenticate image from DDR location 0x%x...\n",
+ ddr_start);
+
+ hab_caam_clock_enable(1);
+
+ if (hab_rvt_entry() == HAB_SUCCESS) {
+ /* If not already aligned, Align to ALIGN_SIZE */
+ ivt_offset = (image_size + ALIGN_SIZE - 1) &
+ ~(ALIGN_SIZE - 1);
+
+ start = ddr_start;
+ bytes = ivt_offset + IVT_SIZE + CSF_PAD_SIZE;
+#ifdef DEBUG
+ printf("\nivt_offset = 0x%x, ivt addr = 0x%x\n",
+ ivt_offset, ddr_start + ivt_offset);
+ puts("Dumping IVT\n");
+ print_buffer(ddr_start + ivt_offset,
+ (void *)(ddr_start + ivt_offset),
+ 4, 0x8, 0);
+
+ puts("Dumping CSF Header\n");
+ print_buffer(ddr_start + ivt_offset+IVT_SIZE,
+ (void *)(ddr_start + ivt_offset+IVT_SIZE),
+ 4, 0x10, 0);
+
+ get_hab_status();
+
+ puts("\nCalling authenticate_image in ROM\n");
+ printf("\tivt_offset = 0x%x\n", ivt_offset);
+ printf("\tstart = 0x%08lx\n", start);
+ printf("\tbytes = 0x%x\n", bytes);
+#endif
+ /*
+ * If the MMU is enabled, we have to notify the ROM
+ * code, or it won't flush the caches when needed.
+ * This is done, by setting the "pu_irom_mmu_enabled"
+ * word to 1. You can find its address by looking in
+ * the ROM map. This is critical for
+ * authenticate_image(). If MMU is enabled, without
+ * setting this bit, authentication will fail and may
+ * crash.
+ */
+ /* Check MMU enabled */
+ if (get_cr() & CR_M) {
+ if (is_cpu_type(MXC_CPU_MX6Q) ||
+ is_cpu_type(MXC_CPU_MX6D)) {
+ /*
+ * This won't work on Rev 1.0.0 of
+ * i.MX6Q/D, since their ROM doesn't
+ * do cache flushes. don't think any
+ * exist, so we ignore them.
+ */
+ writel(1, MX6DQ_PU_IROM_MMU_EN_VAR);
+ } else if (is_cpu_type(MXC_CPU_MX6DL) ||
+ is_cpu_type(MXC_CPU_MX6SOLO)) {
+ writel(1, MX6DLS_PU_IROM_MMU_EN_VAR);
+ } else if (is_cpu_type(MXC_CPU_MX6SL)) {
+ writel(1, MX6SL_PU_IROM_MMU_EN_VAR);
+ }
+ }
+
+ load_addr = (uint32_t)hab_rvt_authenticate_image(
+ HAB_CID_UBOOT,
+ ivt_offset, (void **)&start,
+ (size_t *)&bytes, NULL);
+ if (hab_rvt_exit() != HAB_SUCCESS) {
+ puts("hab exit function fail\n");
+ load_addr = 0;
+ }
+ } else {
+ puts("hab entry function fail\n");
+ }
+
+ hab_caam_clock_enable(0);
+
+ get_hab_status();
+ } else {
+ puts("hab fuse not enabled\n");
+ }
+
+ if ((!is_hab_enabled()) || (load_addr != 0))
+ result = 1;
+
+ return result;
+}
+
int do_hab_status(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
if ((argc != 1)) {
@@ -156,8 +298,33 @@ int do_hab_status(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return 0;
}
+static int do_authenticate_image(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ ulong addr, ivt_offset;
+ int rcode = 0;
+
+ if (argc < 3)
+ return CMD_RET_USAGE;
+
+ addr = simple_strtoul(argv[1], NULL, 16);
+ ivt_offset = simple_strtoul(argv[2], NULL, 16);
+
+ rcode = authenticate_image(addr, ivt_offset);
+
+ return rcode;
+}
+
U_BOOT_CMD(
hab_status, CONFIG_SYS_MAXARGS, 1, do_hab_status,
"display HAB status",
""
);
+
+U_BOOT_CMD(
+ hab_auth_img, 3, 0, do_authenticate_image,
+ "authenticate image via HAB",
+ "addr ivt_offset\n"
+ "addr - image hex address\n"
+ "ivt_offset - hex offset of IVT in the image"
+ );
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index ba21cfe580..6352422253 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -273,10 +273,25 @@ int board_postclk_init(void)
#ifndef CONFIG_SYS_DCACHE_OFF
void enable_caches(void)
{
+#if defined(CONFIG_SYS_ARM_CACHE_WRITETHROUGH)
+ enum dcache_option option = DCACHE_WRITETHROUGH;
+#else
+ enum dcache_option option = DCACHE_WRITEBACK;
+#endif
+
/* Avoid random hang when download by usb */
invalidate_dcache_all();
+
/* Enable D-cache. I-cache is already enabled in start.S */
dcache_enable();
+
+ /* Enable caching on OCRAM and ROM */
+ mmu_set_region_dcache_behaviour(ROMCP_ARB_BASE_ADDR,
+ ROMCP_ARB_END_ADDR,
+ option);
+ mmu_set_region_dcache_behaviour(IRAM_BASE_ADDR,
+ IRAM_SIZE,
+ option);
}
#endif
@@ -339,10 +354,10 @@ const struct boot_mode soc_boot_modes[] = {
void s_init(void)
{
struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
- int is_6q = is_cpu_type(MXC_CPU_MX6Q);
+ struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
u32 mask480;
u32 mask528;
-
+ u32 reg, periph1, periph2;
if (is_cpu_type(MXC_CPU_MX6SX))
return;
@@ -357,15 +372,23 @@ void s_init(void)
ANATOP_PFD_CLKGATE_MASK(1) |
ANATOP_PFD_CLKGATE_MASK(2) |
ANATOP_PFD_CLKGATE_MASK(3);
- mask528 = ANATOP_PFD_CLKGATE_MASK(0) |
- ANATOP_PFD_CLKGATE_MASK(1) |
+ mask528 = ANATOP_PFD_CLKGATE_MASK(1) |
ANATOP_PFD_CLKGATE_MASK(3);
- /*
- * Don't reset PFD2 on DL/S
- */
- if (is_6q)
+ reg = readl(&ccm->cbcmr);
+ periph2 = ((reg & MXC_CCM_CBCMR_PRE_PERIPH2_CLK_SEL_MASK)
+ >> MXC_CCM_CBCMR_PRE_PERIPH2_CLK_SEL_OFFSET);
+ periph1 = ((reg & MXC_CCM_CBCMR_PRE_PERIPH_CLK_SEL_MASK)
+ >> MXC_CCM_CBCMR_PRE_PERIPH_CLK_SEL_OFFSET);
+
+ /* Checking if PLL2 PFD0 or PLL2 PFD2 is using for periph clock */
+ if ((periph2 != 0x2) && (periph1 != 0x2))
+ mask528 |= ANATOP_PFD_CLKGATE_MASK(0);
+
+ if ((periph2 != 0x1) && (periph1 != 0x1) &&
+ (periph2 != 0x3) && (periph1 != 0x3))
mask528 |= ANATOP_PFD_CLKGATE_MASK(2);
+
writel(mask480, &anatop->pfd_480_set);
writel(mask528, &anatop->pfd_528_set);
writel(mask480, &anatop->pfd_480_clr);
diff --git a/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S b/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
index 287f8d74af..879e0e097f 100644
--- a/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
+++ b/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
@@ -35,6 +35,13 @@ do_cpu_waiting:
*/
.align 4
do_lowlevel_init:
+ ldr r2, =0xFF000044 /* PRR */
+ ldr r1, [r2]
+ and r1, r1, #0x7F00
+ lsrs r1, r1, #8
+ cmp r1, #0x4C /* 0x4C is ID of r8a7794 */
+ beq _exit_init_l2_a15
+
/* surpress wfe if ca15 */
tst r4, #4
mrceq p15, 0, r0, c1, c0, 1 /* actlr */
@@ -42,11 +49,6 @@ do_lowlevel_init:
mcreq p15, 0, r0, c1, c0, 1
/* and set l2 latency */
- mrceq p15, 1, r0, c9, c0, 2 /* l2ctlr */
- orreq r0, r0, #0x00000800
- orreq r0, r0, #0x00000003
- mcreq p15, 1, r0, c9, c0, 2
-
mrc p15, 0, r0, c0, c0, 5 /* r0 = MPIDR */
and r0, r0, #0xf00
lsr r0, r0, #8
@@ -58,7 +60,15 @@ do_lowlevel_init:
cmp r1, #3 /* has already been set up */
bicne r0, r0, #0xe7
orrne r0, r0, #0x83 /* L2CTLR[7:6] + L2CTLR[2:0] */
- orrne r0, r0, #0x20 /* L2CTLR[5] */
+
+ ldr r2, =0xFF000044 /* PRR */
+ ldr r1, [r2]
+ and r1, r1, #0x7F00
+ lsrs r1, r1, #8
+ cmp r1, #0x45 /* 0x45 is ID of r8a7790 */
+ bne L2CTLR_5_SKIP
+ orrne r0, r0, #0x20 /* L2CTLR[5] */
+L2CTLR_5_SKIP:
mcrne p15, 1, r0, c9, c0, 2
_exit_init_l2_a15:
diff --git a/arch/arm/cpu/armv7/s5pc1xx/Kconfig b/arch/arm/cpu/armv7/s5pc1xx/Kconfig
new file mode 100644
index 0000000000..2fbbc18203
--- /dev/null
+++ b/arch/arm/cpu/armv7/s5pc1xx/Kconfig
@@ -0,0 +1,25 @@
+if ARCH_S5PC1XX
+
+choice
+ prompt "S5PC1XX board select"
+
+config TARGET_S5P_GONI
+ bool "S5P Goni board"
+ select OF_CONTROL if !SPL_BUILD
+
+config TARGET_SMDKC100
+ bool "Support smdkc100 board"
+ select OF_CONTROL if !SPL_BUILD
+
+endchoice
+
+config SYS_CPU
+ default "armv7"
+
+config SYS_SOC
+ default "s5pc1xx"
+
+source "board/samsung/goni/Kconfig"
+source "board/samsung/smdkc100/Kconfig"
+
+endif
diff --git a/arch/arm/cpu/armv7/s5pc1xx/cache.S b/arch/arm/cpu/armv7/s5pc1xx/cache.S
deleted file mode 100644
index 3089592eb1..0000000000
--- a/arch/arm/cpu/armv7/s5pc1xx/cache.S
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2009 Samsung Electronics
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * based on arch/arm/cpu/armv7/omap3/cache.S
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-.align 5
-
-#include <linux/linkage.h>
-
-#ifndef CONFIG_SYS_L2CACHE_OFF
-ENTRY(v7_outer_cache_enable)
- push {r0, r1, r2, lr}
- mrc 15, 0, r3, cr1, cr0, 1
- orr r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- pop {r1, r2, r3, pc}
-ENDPROC(v7_outer_cache_enable)
-
-ENTRY(v7_outer_cache_disable)
- push {r0, r1, r2, lr}
- mrc 15, 0, r3, cr1, cr0, 1
- bic r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- pop {r1, r2, r3, pc}
-ENDPROC(v7_outer_cache_disable)
-#endif
diff --git a/arch/arm/cpu/armv7/s5pc1xx/cache.c b/arch/arm/cpu/armv7/s5pc1xx/cache.c
new file mode 100644
index 0000000000..51af2990c2
--- /dev/null
+++ b/arch/arm/cpu/armv7/s5pc1xx/cache.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2014 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ * Robert Baldyga <r.baldyga@samsung.com>
+ *
+ * based on arch/arm/cpu/armv7/omap3/cache.S
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+ dcache_enable();
+}
+
+void disable_caches(void)
+{
+ dcache_disable();
+}
+#endif
+
+#ifndef CONFIG_SYS_L2CACHE_OFF
+void v7_outer_cache_enable(void)
+{
+ __asm(
+ "push {r0, r1, r2, lr}\n\t"
+ "mrc 15, 0, r3, cr1, cr0, 1\n\t"
+ "orr r3, r3, #2\n\t"
+ "mcr 15, 0, r3, cr1, cr0, 1\n\t"
+ "pop {r1, r2, r3, pc}"
+ );
+}
+
+void v7_outer_cache_disable(void)
+{
+ __asm(
+ "push {r0, r1, r2, lr}\n\t"
+ "mrc 15, 0, r3, cr1, cr0, 1\n\t"
+ "bic r3, r3, #2\n\t"
+ "mcr 15, 0, r3, cr1, cr0, 1\n\t"
+ "pop {r1, r2, r3, pc}"
+ );
+}
+#endif
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 5f2b946fdd..c37580ed84 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1,4 +1,7 @@
+dtb-$(CONFIG_S5PC100) += s5pc1xx-smdkc100.dtb
+dtb-$(CONFIG_S5PC110) += s5pc1xx-goni.dtb
dtb-$(CONFIG_EXYNOS4) += exynos4210-origen.dtb \
+ exynos4210-smdkv310.dtb \
exynos4210-universal_c210.dtb \
exynos4210-trats.dtb \
exynos4412-trats2.dtb \
diff --git a/arch/arm/dts/exynos4210-smdkv310.dts b/arch/arm/dts/exynos4210-smdkv310.dts
new file mode 100644
index 0000000000..c390c8f0c8
--- /dev/null
+++ b/arch/arm/dts/exynos4210-smdkv310.dts
@@ -0,0 +1,21 @@
+/*
+ * Samsung's Exynos4210-based SMDKV310 board device tree source
+ *
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/dts-v1/;
+/include/ "exynos4.dtsi"
+
+/ {
+ model = "Samsung SMDKV310 on Exynos4210";
+ compatible = "samsung,smdkv310", "samsung,exynos4210";
+
+ aliases {
+ serial0 = "/serial@13800000";
+ console = "/serial@13820000";
+ };
+
+};
diff --git a/arch/arm/dts/exynos5420-peach-pit.dts b/arch/arm/dts/exynos5420-peach-pit.dts
index 3ed70a8a92..995e62b337 100644
--- a/arch/arm/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/dts/exynos5420-peach-pit.dts
@@ -28,11 +28,66 @@
pmic = "/i2c@12ca0000";
};
+ cros-ec-keyb {
+ compatible = "google,cros-ec-keyb";
+ google,key-rows = <8>;
+ google,key-columns = <13>;
+ google,repeat-delay-ms = <240>;
+ google,repeat-rate-ms = <30>;
+ google,ghost-filter;
+ /*
+ * Keymap entries take the form of 0xRRCCKKKK where
+ * RR=Row CC=Column KKKK=Key Code
+ * The values below are for a US keyboard layout and
+ * are taken from the Linux driver. Note that the
+ * 102ND key is not used for US keyboards.
+ */
+ linux,keymap = <
+ /* CAPSLCK F1 B F10 */
+ 0x0001003a 0x0002003b 0x00030030 0x00040044
+ /* N = R_ALT ESC */
+ 0x00060031 0x0008000d 0x000a0064 0x01010001
+ /* F4 G F7 H */
+ 0x0102003e 0x01030022 0x01040041 0x01060023
+ /* ' F9 BKSPACE L_CTRL */
+ 0x01080028 0x01090043 0x010b000e 0x0200001d
+ /* TAB F3 T F6 */
+ 0x0201000f 0x0202003d 0x02030014 0x02040040
+ /* ] Y 102ND [ */
+ 0x0205001b 0x02060015 0x02070056 0x0208001a
+ /* F8 GRAVE F2 5 */
+ 0x02090042 0x03010029 0x0302003c 0x03030006
+ /* F5 6 - \ */
+ 0x0304003f 0x03060007 0x0308000c 0x030b002b
+ /* R_CTRL A D F */
+ 0x04000061 0x0401001e 0x04020020 0x04030021
+ /* S K J ; */
+ 0x0404001f 0x04050025 0x04060024 0x04080027
+ /* L ENTER Z C */
+ 0x04090026 0x040b001c 0x0501002c 0x0502002e
+ /* V X , M */
+ 0x0503002f 0x0504002d 0x05050033 0x05060032
+ /* L_SHIFT / . SPACE */
+ 0x0507002a 0x05080035 0x05090034 0x050B0039
+ /* 1 3 4 2 */
+ 0x06010002 0x06020004 0x06030005 0x06040003
+ /* 8 7 0 9 */
+ 0x06050009 0x06060008 0x0608000b 0x0609000a
+ /* L_ALT DOWN RIGHT Q */
+ 0x060a0038 0x060b006c 0x060c006a 0x07010010
+ /* E R W I */
+ 0x07020012 0x07030013 0x07040011 0x07050017
+ /* U R_SHIFT P O */
+ 0x07060016 0x07070036 0x07080019 0x07090018
+ /* UP LEFT */
+ 0x070b0067 0x070c0069>;
+ };
+
dmc {
mem-manuf = "samsung";
mem-type = "ddr3";
clock-frequency = <800000000>;
- arm-frequency = <1700000000>;
+ arm-frequency = <900000000>;
};
tmu@10060000 {
diff --git a/arch/arm/dts/s5pc1xx-goni.dts b/arch/arm/dts/s5pc1xx-goni.dts
new file mode 100644
index 0000000000..2e671bbf7e
--- /dev/null
+++ b/arch/arm/dts/s5pc1xx-goni.dts
@@ -0,0 +1,28 @@
+/*
+ * Samsung's S5PC110-based Goni board device tree source
+ *
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/dts-v1/;
+
+#include "skeleton.dtsi"
+
+/ {
+ model = "Samsung Goni based on S5PC110";
+ compatible = "samsung,goni", "samsung,s5pc110";
+
+ aliases {
+ serial2 = "/serial@e2900800";
+ console = "/serial@e2900800";
+ };
+
+ serial@e2900800 {
+ compatible = "samsung,exynos4210-uart";
+ reg = <0xe2900800 0x400>;
+ id = <2>;
+ };
+
+};
diff --git a/arch/arm/dts/s5pc1xx-smdkc100.dts b/arch/arm/dts/s5pc1xx-smdkc100.dts
new file mode 100644
index 0000000000..42754ce811
--- /dev/null
+++ b/arch/arm/dts/s5pc1xx-smdkc100.dts
@@ -0,0 +1,29 @@
+/*
+ * Samsung's Exynos4210-based SMDKV310 board device tree source
+ *
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/dts-v1/;
+
+#include "skeleton.dtsi"
+
+/ {
+ model = "Samsung SMDKC100 based on S5PC100";
+ compatible = "samsung,smdkc100", "samsung,s5pc100";
+
+ aliases {
+ serial0 = "/serial@ec000000";
+ console = "/serial@ec000000";
+ };
+
+ serial@ec000000 {
+ compatible = "samsung,exynos4210-uart";
+ reg = <0xec000000 0x100>;
+ interrupts = <0 51 0>;
+ id = <0>;
+ };
+
+};
diff --git a/arch/arm/include/asm/arch-mx31/imx-regs.h b/arch/arm/include/asm/arch-mx31/imx-regs.h
index f23350e5c2..71ebd243d7 100644
--- a/arch/arm/include/asm/arch-mx31/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx31/imx-regs.h
@@ -909,9 +909,19 @@ struct esdc_regs {
#define MXC_CSPIPERIOD_32KHZ (1 << 15)
#define MAX_SPI_BYTES 4
+
#define MXC_SPI_BASE_ADDRESSES \
0x43fa4000, \
0x50010000, \
0x53f84000,
+/*
+ * Generic timer support
+ */
+#ifdef CONFIG_MX31_CLK32
+#define CONFIG_SYS_TIMER_RATE CONFIG_MX31_CLK32
+#else
+#define CONFIG_SYS_TIMER_RATE 32768
+#endif
+
#endif /* __ASM_ARCH_MX31_IMX_REGS_H */
diff --git a/arch/arm/include/asm/arch-mx35/imx-regs.h b/arch/arm/include/asm/arch-mx35/imx-regs.h
index b5300291a9..28a47ed44d 100644
--- a/arch/arm/include/asm/arch-mx35/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx35/imx-regs.h
@@ -372,4 +372,16 @@ struct aips_regs {
#define CCM_RCSR_NF_16BIT_SEL (1 << 14)
#endif
+
+/*
+ * Generic timer support
+ */
+#ifdef CONFIG_MX35_CLK32
+#define CONFIG_SYS_TIMER_RATE CONFIG_MX35_CLK32
+#else
+#define CONFIG_SYS_TIMER_RATE 32768
+#endif
+
+#define CONFIG_SYS_TIMER_COUNTER (GPT1_BASE_ADDR+36)
+
#endif /* __ASM_ARCH_MX35_H */
diff --git a/arch/arm/include/asm/arch-mx6/clock.h b/arch/arm/include/asm/arch-mx6/clock.h
index c11674ff8a..3c58a0ab60 100644
--- a/arch/arm/include/asm/arch-mx6/clock.h
+++ b/arch/arm/include/asm/arch-mx6/clock.h
@@ -53,6 +53,7 @@ u32 imx_get_uartclk(void);
u32 imx_get_fecclk(void);
unsigned int mxc_get_clock(enum mxc_clock clk);
void setup_gpmi_io_clk(u32 cfg);
+void hab_caam_clock_enable(unsigned char enable);
void enable_ocotp_clk(unsigned char enable);
void enable_usboh3_clk(unsigned char enable);
void enable_uart_clk(unsigned char enable);
diff --git a/arch/arm/include/asm/arch-mx6/hab.h b/arch/arm/include/asm/arch-mx6/hab.h
index 1f12695f67..c9e5318bfb 100644
--- a/arch/arm/include/asm/arch-mx6/hab.h
+++ b/arch/arm/include/asm/arch-mx6/hab.h
@@ -53,11 +53,17 @@ typedef void *hab_rvt_authenticate_image_t(uint8_t, ptrdiff_t,
void **, size_t *, hab_loader_callback_f_t);
typedef void hapi_clock_init_t(void);
-#define HAB_RVT_REPORT_EVENT (*(uint32_t *)0x000000B4)
-#define HAB_RVT_REPORT_STATUS (*(uint32_t *)0x000000B8)
-#define HAB_RVT_AUTHENTICATE_IMAGE (*(uint32_t *)0x000000A4)
-#define HAB_RVT_ENTRY (*(uint32_t *)0x00000098)
-#define HAB_RVT_EXIT (*(uint32_t *)0x0000009C)
+#ifdef CONFIG_MX6SX
+#define HAB_RVT_BASE 0x00000100
+#else
+#define HAB_RVT_BASE 0x00000094
+#endif
+
+#define HAB_RVT_ENTRY (*(uint32_t *)(HAB_RVT_BASE + 0x04))
+#define HAB_RVT_EXIT (*(uint32_t *)(HAB_RVT_BASE + 0x08))
+#define HAB_RVT_AUTHENTICATE_IMAGE (*(uint32_t *)(HAB_RVT_BASE + 0x10))
+#define HAB_RVT_REPORT_EVENT (*(uint32_t *)(HAB_RVT_BASE + 0x20))
+#define HAB_RVT_REPORT_STATUS (*(uint32_t *)(HAB_RVT_BASE + 0x24))
#define HAB_RVT_REPORT_EVENT_NEW (*(uint32_t *)0x000000B8)
#define HAB_RVT_REPORT_STATUS_NEW (*(uint32_t *)0x000000BC)
diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h
index 22614fcd0e..a159309bb9 100644
--- a/arch/arm/include/asm/arch-mx6/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx6/imx-regs.h
@@ -215,13 +215,8 @@
#define AIPS2_OFF_BASE_ADDR (ATZ2_BASE_ADDR + 0x80000)
#define CAAM_BASE_ADDR (ATZ2_BASE_ADDR)
#define ARM_BASE_ADDR (ATZ2_BASE_ADDR + 0x40000)
-#ifdef CONFIG_MX6SL
-#define USBO2H_PL301_IPS_BASE_ADDR (AIPS2_OFF_BASE_ADDR + 0x0000)
-#define USBO2H_USB_BASE_ADDR (AIPS2_OFF_BASE_ADDR + 0x4000)
-#else
-#define USBOH3_PL301_BASE_ADDR (AIPS2_OFF_BASE_ADDR + 0x0000)
-#define USBOH3_USB_BASE_ADDR (AIPS2_OFF_BASE_ADDR + 0x4000)
-#endif
+#define USB_PL301_BASE_ADDR (AIPS2_OFF_BASE_ADDR + 0x0000)
+#define USB_BASE_ADDR (AIPS2_OFF_BASE_ADDR + 0x4000)
#define ENET_BASE_ADDR (AIPS2_OFF_BASE_ADDR + 0x8000)
#ifdef CONFIG_MX6SL
diff --git a/arch/arm/include/asm/arch-s5pc1xx/periph.h b/arch/arm/include/asm/arch-s5pc1xx/periph.h
new file mode 100644
index 0000000000..5c1c3d4a93
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc1xx/periph.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ * Rajeshwari Shinde <rajeshwari.s@samsung.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARM_ARCH_PERIPH_H
+#define __ASM_ARM_ARCH_PERIPH_H
+
+/*
+ * Peripherals required for pinmux configuration. List will
+ * grow with support for more devices getting added.
+ * Numbering based on interrupt table.
+ *
+ */
+enum periph_id {
+ PERIPH_ID_UART0 = 51,
+ PERIPH_ID_UART1,
+ PERIPH_ID_UART2,
+ PERIPH_ID_UART3,
+ PERIPH_ID_I2C0 = 56,
+ PERIPH_ID_I2C1,
+ PERIPH_ID_I2C2,
+ PERIPH_ID_I2C3,
+ PERIPH_ID_I2C4,
+ PERIPH_ID_I2C5,
+ PERIPH_ID_I2C6,
+ PERIPH_ID_I2C7,
+ PERIPH_ID_SPI0 = 68,
+ PERIPH_ID_SPI1,
+ PERIPH_ID_SPI2,
+ PERIPH_ID_SDMMC0 = 75,
+ PERIPH_ID_SDMMC1,
+ PERIPH_ID_SDMMC2,
+ PERIPH_ID_SDMMC3,
+ PERIPH_ID_I2C8 = 87,
+ PERIPH_ID_I2C9,
+ PERIPH_ID_I2S0 = 98,
+ PERIPH_ID_I2S1 = 99,
+
+ /* Since following peripherals do
+ * not have shared peripheral interrupts (SPIs)
+ * they are numbered arbitiraly after the maximum
+ * SPIs Exynos has (128)
+ */
+ PERIPH_ID_SROMC = 128,
+ PERIPH_ID_SPI3,
+ PERIPH_ID_SPI4,
+ PERIPH_ID_SDMMC4,
+ PERIPH_ID_PWM0,
+ PERIPH_ID_PWM1,
+ PERIPH_ID_PWM2,
+ PERIPH_ID_PWM3,
+ PERIPH_ID_PWM4,
+ PERIPH_ID_I2C10 = 203,
+
+ PERIPH_ID_NONE = -1,
+};
+
+#endif /* __ASM_ARM_ARCH_PERIPH_H */
diff --git a/arch/arm/include/asm/arch-s5pc1xx/pinmux.h b/arch/arm/include/asm/arch-s5pc1xx/pinmux.h
new file mode 100644
index 0000000000..0b91ef658c
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc1xx/pinmux.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ * Abhilash Kesavan <a.kesavan@samsung.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARM_ARCH_PINMUX_H
+#define __ASM_ARM_ARCH_PINMUX_H
+
+#include "periph.h"
+
+/*
+ * Flags for setting specific configarations of peripherals.
+ * List will grow with support for more devices getting added.
+ */
+enum {
+ PINMUX_FLAG_NONE = 0x00000000,
+
+ /* Flags for eMMC */
+ PINMUX_FLAG_8BIT_MODE = 1 << 0, /* SDMMC 8-bit mode */
+
+ /* Flags for SROM controller */
+ PINMUX_FLAG_BANK = 3 << 0, /* bank number (0-3) */
+ PINMUX_FLAG_16BIT = 1 << 2, /* 16-bit width */
+};
+
+/**
+ * Configures the pinmux for a particular peripheral.
+ *
+ * Each gpio can be configured in many different ways (4 bits on exynos)
+ * such as "input", "output", "special function", "external interrupt"
+ * etc. This function will configure the peripheral pinmux along with
+ * pull-up/down and drive strength.
+ *
+ * @param peripheral peripheral to be configured
+ * @param flags configure flags
+ * @return 0 if ok, -1 on error (e.g. unsupported peripheral)
+ */
+int exynos_pinmux_config(int peripheral, int flags);
+
+/**
+ * Decode the peripheral id using the interrpt numbers.
+ *
+ * @param blob Device tree blob
+ * @param node FDT I2C node to find
+ * @return peripheral id if ok, PERIPH_ID_NONE on error
+ */
+int pinmux_decode_periph_id(const void *blob, int node);
+#endif