Merge branch 'master' of git://git.denx.de/u-boot-arm

Conflicts:
	cpu/arm1176/cpu.c
	cpu/arm1176/start.S
	cpu/arm_cortexa8/s5pc1xx/Makefile
	cpu/arm_cortexa8/s5pc1xx/clock.c
	drivers/serial/serial_s5p.c
	include/asm-arm/arch-s5pc1xx/clk.h
	include/asm-arm/arch-s5pc1xx/gpio.h
	include/asm-arm/arch-s5pc1xx/uart.h

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

1 files changed, 549 insertions, 0 deletions

diff --git a/arch/ppc/cpu/mpc83xx/speed.c b/arch/ppc/cpu/mpc83xx/speed.c
new file mode 100644
index 0000000..bde7e92
--- /dev/null
+++ b/arch/ppc/cpu/mpc83xx/speed.c
@@ -0,0 +1,549 @@
+/*
+ * (C) Copyright 2000-2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <mpc83xx.h>
+#include <command.h>
+#include <asm/processor.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ----------------------------------------------------------------- */
+
+typedef enum {
+	_unk,
+	_off,
+	_byp,
+	_x8,
+	_x4,
+	_x2,
+	_x1,
+	_1x,
+	_1_5x,
+	_2x,
+	_2_5x,
+	_3x
+} mult_t;
+
+typedef struct {
+	mult_t core_csb_ratio;
+	mult_t vco_divider;
+} corecnf_t;
+
+corecnf_t corecnf_tab[] = {
+	{_byp, _byp},		/* 0x00 */
+	{_byp, _byp},		/* 0x01 */
+	{_byp, _byp},		/* 0x02 */
+	{_byp, _byp},		/* 0x03 */
+	{_byp, _byp},		/* 0x04 */
+	{_byp, _byp},		/* 0x05 */
+	{_byp, _byp},		/* 0x06 */
+	{_byp, _byp},		/* 0x07 */
+	{_1x, _x2},		/* 0x08 */
+	{_1x, _x4},		/* 0x09 */
+	{_1x, _x8},		/* 0x0A */
+	{_1x, _x8},		/* 0x0B */
+	{_1_5x, _x2},		/* 0x0C */
+	{_1_5x, _x4},		/* 0x0D */
+	{_1_5x, _x8},		/* 0x0E */
+	{_1_5x, _x8},		/* 0x0F */
+	{_2x, _x2},		/* 0x10 */
+	{_2x, _x4},		/* 0x11 */
+	{_2x, _x8},		/* 0x12 */
+	{_2x, _x8},		/* 0x13 */
+	{_2_5x, _x2},		/* 0x14 */
+	{_2_5x, _x4},		/* 0x15 */
+	{_2_5x, _x8},		/* 0x16 */
+	{_2_5x, _x8},		/* 0x17 */
+	{_3x, _x2},		/* 0x18 */
+	{_3x, _x4},		/* 0x19 */
+	{_3x, _x8},		/* 0x1A */
+	{_3x, _x8},		/* 0x1B */
+};
+
+/* ----------------------------------------------------------------- */
+
+/*
+ *
+ */
+int get_clocks(void)
+{
+	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+	u32 pci_sync_in;
+	u8 spmf;
+	u8 clkin_div;
+	u32 sccr;
+	u32 corecnf_tab_index;
+	u8 corepll;
+	u32 lcrr;
+
+	u32 csb_clk;
+#if defined(CONFIG_MPC834x) || defined(CONFIG_MPC831x) || defined(CONFIG_MPC837x)
+	u32 tsec1_clk;
+	u32 tsec2_clk;
+	u32 usbdr_clk;
+#endif
+#ifdef CONFIG_MPC834x
+	u32 usbmph_clk;
+#endif
+	u32 core_clk;
+	u32 i2c1_clk;
+#if !defined(CONFIG_MPC832x)
+	u32 i2c2_clk;
+#endif
+#if defined(CONFIG_MPC8315)
+	u32 tdm_clk;
+#endif
+#if defined(CONFIG_MPC837x)
+	u32 sdhc_clk;
+#endif
+	u32 enc_clk;
+	u32 lbiu_clk;
+	u32 lclk_clk;
+	u32 mem_clk;
+#if defined(CONFIG_MPC8360)
+	u32 mem_sec_clk;
+#endif
+#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832x)
+	u32 qepmf;
+	u32 qepdf;
+	u32 qe_clk;
+	u32 brg_clk;
+#endif
+#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC831x)
+	u32 pciexp1_clk;
+	u32 pciexp2_clk;
+#endif
+#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
+	u32 sata_clk;
+#endif
+
+	if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
+		return -1;
+
+	clkin_div = ((im->clk.spmr & SPMR_CKID) >> SPMR_CKID_SHIFT);
+
+	if (im->reset.rcwh & HRCWH_PCI_HOST) {
+#if defined(CONFIG_83XX_CLKIN)
+		pci_sync_in = CONFIG_83XX_CLKIN / (1 + clkin_div);
+#else
+		pci_sync_in = 0xDEADBEEF;
+#endif
+	} else {
+#if defined(CONFIG_83XX_PCICLK)
+		pci_sync_in = CONFIG_83XX_PCICLK;
+#else
+		pci_sync_in = 0xDEADBEEF;
+#endif
+	}
+
+	spmf = ((im->reset.rcwl & HRCWL_SPMF) >> HRCWL_SPMF_SHIFT);
+	csb_clk = pci_sync_in * (1 + clkin_div) * spmf;
+
+	sccr = im->clk.sccr;
+
+#if defined(CONFIG_MPC834x) || defined(CONFIG_MPC831x) || defined(CONFIG_MPC837x)
+	switch ((sccr & SCCR_TSEC1CM) >> SCCR_TSEC1CM_SHIFT) {
+	case 0:
+		tsec1_clk = 0;
+		break;
+	case 1:
+		tsec1_clk = csb_clk;
+		break;
+	case 2:
+		tsec1_clk = csb_clk / 2;
+		break;
+	case 3:
+		tsec1_clk = csb_clk / 3;
+		break;
+	default:
+		/* unkown SCCR_TSEC1CM value */
+		return -2;
+	}
+
+	switch ((sccr & SCCR_USBDRCM) >> SCCR_USBDRCM_SHIFT) {
+	case 0:
+		usbdr_clk = 0;
+		break;
+	case 1:
+		usbdr_clk = csb_clk;
+		break;
+	case 2:
+		usbdr_clk = csb_clk / 2;
+		break;
+	case 3:
+		usbdr_clk = csb_clk / 3;
+		break;
+	default:
+		/* unkown SCCR_USBDRCM value */
+		return -3;
+	}
+#endif
+
+#if defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
+	switch ((sccr & SCCR_TSEC2CM) >> SCCR_TSEC2CM_SHIFT) {
+	case 0:
+		tsec2_clk = 0;
+		break;
+	case 1:
+		tsec2_clk = csb_clk;
+		break;
+	case 2:
+		tsec2_clk = csb_clk / 2;
+		break;
+	case 3:
+		tsec2_clk = csb_clk / 3;
+		break;
+	default:
+		/* unkown SCCR_TSEC2CM value */
+		return -4;
+	}
+#elif defined(CONFIG_MPC8313)
+	tsec2_clk = tsec1_clk;
+
+	if (!(sccr & SCCR_TSEC1ON))
+		tsec1_clk = 0;
+	if (!(sccr & SCCR_TSEC2ON))
+		tsec2_clk = 0;
+#endif
+
+#if defined(CONFIG_MPC834x)
+	switch ((sccr & SCCR_USBMPHCM) >> SCCR_USBMPHCM_SHIFT) {
+	case 0:
+		usbmph_clk = 0;
+		break;
+	case 1:
+		usbmph_clk = csb_clk;
+		break;
+	case 2:
+		usbmph_clk = csb_clk / 2;
+		break;
+	case 3:
+		usbmph_clk = csb_clk / 3;
+		break;
+	default:
+		/* unkown SCCR_USBMPHCM value */
+		return -5;
+	}
+
+	if (usbmph_clk != 0 && usbdr_clk != 0 && usbmph_clk != usbdr_clk) {
+		/* if USB MPH clock is not disabled and
+		 * USB DR clock is not disabled then
+		 * USB MPH & USB DR must have the same rate
+		 */
+		return -6;
+	}
+#endif
+	switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) {
+	case 0:
+		enc_clk = 0;
+		break;
+	case 1:
+		enc_clk = csb_clk;
+		break;
+	case 2:
+		enc_clk = csb_clk / 2;
+		break;
+	case 3:
+		enc_clk = csb_clk / 3;
+		break;
+	default:
+		/* unkown SCCR_ENCCM value */
+		return -7;
+	}
+
+#if defined(CONFIG_MPC837x)
+	switch ((sccr & SCCR_SDHCCM) >> SCCR_SDHCCM_SHIFT) {
+	case 0:
+		sdhc_clk = 0;
+		break;
+	case 1:
+		sdhc_clk = csb_clk;
+		break;
+	case 2:
+		sdhc_clk = csb_clk / 2;
+		break;
+	case 3:
+		sdhc_clk = csb_clk / 3;
+		break;
+	default:
+		/* unkown SCCR_SDHCCM value */
+		return -8;
+	}
+#endif
+#if defined(CONFIG_MPC8315)
+	switch ((sccr & SCCR_TDMCM) >> SCCR_TDMCM_SHIFT) {
+	case 0:
+		tdm_clk = 0;
+		break;
+	case 1:
+		tdm_clk = csb_clk;
+		break;
+	case 2:
+		tdm_clk = csb_clk / 2;
+		break;
+	case 3:
+		tdm_clk = csb_clk / 3;
+		break;
+	default:
+		/* unkown SCCR_TDMCM value */
+		return -8;
+	}
+#endif
+
+#if defined(CONFIG_MPC834x)
+	i2c1_clk = tsec2_clk;
+#elif defined(CONFIG_MPC8360)
+	i2c1_clk = csb_clk;
+#elif defined(CONFIG_MPC832x)
+	i2c1_clk = enc_clk;
+#elif defined(CONFIG_MPC831x)
+	i2c1_clk = enc_clk;
+#elif defined(CONFIG_MPC837x)
+	i2c1_clk = sdhc_clk;
+#endif
+#if !defined(CONFIG_MPC832x)
+	i2c2_clk = csb_clk; /* i2c-2 clk is equal to csb clk */
+#endif
+
+#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC831x)
+	switch ((sccr & SCCR_PCIEXP1CM) >> SCCR_PCIEXP1CM_SHIFT) {
+	case 0:
+		pciexp1_clk = 0;
+		break;
+	case 1:
+		pciexp1_clk = csb_clk;
+		break;
+	case 2:
+		pciexp1_clk = csb_clk / 2;
+		break;
+	case 3:
+		pciexp1_clk = csb_clk / 3;
+		break;
+	default:
+		/* unkown SCCR_PCIEXP1CM value */
+		return -9;
+	}
+
+	switch ((sccr & SCCR_PCIEXP2CM) >> SCCR_PCIEXP2CM_SHIFT) {
+	case 0:
+		pciexp2_clk = 0;
+		break;
+	case 1:
+		pciexp2_clk = csb_clk;
+		break;
+	case 2:
+		pciexp2_clk = csb_clk / 2;
+		break;
+	case 3:
+		pciexp2_clk = csb_clk / 3;
+		break;
+	default:
+		/* unkown SCCR_PCIEXP2CM value */
+		return -10;
+	}
+#endif
+
+#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
+	switch ((sccr & SCCR_SATA1CM) >> SCCR_SATA1CM_SHIFT) {
+	case 0:
+		sata_clk = 0;
+		break;
+	case 1:
+		sata_clk = csb_clk;
+		break;
+	case 2:
+		sata_clk = csb_clk / 2;
+		break;
+	case 3:
+		sata_clk = csb_clk / 3;
+		break;
+	default:
+		/* unkown SCCR_SATACM value */
+		return -11;
+	}
+#endif
+
+	lbiu_clk = csb_clk *
+	           (1 + ((im->reset.rcwl & HRCWL_LBIUCM) >> HRCWL_LBIUCM_SHIFT));
+	lcrr = (im->lbus.lcrr & LCRR_CLKDIV) >> LCRR_CLKDIV_SHIFT;
+	switch (lcrr) {
+	case 2:
+	case 4:
+	case 8:
+		lclk_clk = lbiu_clk / lcrr;
+		break;
+	default:
+		/* unknown lcrr */
+		return -12;
+	}
+
+	mem_clk = csb_clk *
+		  (1 + ((im->reset.rcwl & HRCWL_DDRCM) >> HRCWL_DDRCM_SHIFT));
+	corepll = (im->reset.rcwl & HRCWL_COREPLL) >> HRCWL_COREPLL_SHIFT;
+#if defined(CONFIG_MPC8360)
+	mem_sec_clk = csb_clk * (1 +
+		       ((im->reset.rcwl & HRCWL_LBIUCM) >> HRCWL_LBIUCM_SHIFT));
+#endif
+
+	corecnf_tab_index = ((corepll & 0x1F) << 2) | ((corepll & 0x60) >> 5);
+	if (corecnf_tab_index > (sizeof(corecnf_tab) / sizeof(corecnf_t))) {
+		/* corecnf_tab_index is too high, possibly worng value */
+		return -11;
+	}
+	switch (corecnf_tab[corecnf_tab_index].core_csb_ratio) {
+	case _byp:
+	case _x1:
+	case _1x:
+		core_clk = csb_clk;
+		break;
+	case _1_5x:
+		core_clk = (3 * csb_clk) / 2;
+		break;
+	case _2x:
+		core_clk = 2 * csb_clk;
+		break;
+	case _2_5x:
+		core_clk = (5 * csb_clk) / 2;
+		break;
+	case _3x:
+		core_clk = 3 * csb_clk;
+		break;
+	default:
+		/* unkown core to csb ratio */
+		return -13;
+	}
+
+#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832x)
+	qepmf = (im->reset.rcwl & HRCWL_CEPMF) >> HRCWL_CEPMF_SHIFT;
+	qepdf = (im->reset.rcwl & HRCWL_CEPDF) >> HRCWL_CEPDF_SHIFT;
+	qe_clk = (pci_sync_in * qepmf) / (1 + qepdf);
+	brg_clk = qe_clk / 2;
+#endif
+
+	gd->csb_clk = csb_clk;
+#if defined(CONFIG_MPC834x) || defined(CONFIG_MPC831x) || defined(CONFIG_MPC837x)
+	gd->tsec1_clk = tsec1_clk;
+	gd->tsec2_clk = tsec2_clk;
+	gd->usbdr_clk = usbdr_clk;
+#endif
+#if defined(CONFIG_MPC834x)
+	gd->usbmph_clk = usbmph_clk;
+#endif
+#if defined(CONFIG_MPC8315)
+	gd->tdm_clk = tdm_clk;
+#endif
+#if defined(CONFIG_MPC837x)
+	gd->sdhc_clk = sdhc_clk;
+#endif
+	gd->core_clk = core_clk;
+	gd->i2c1_clk = i2c1_clk;
+#if !defined(CONFIG_MPC832x)
+	gd->i2c2_clk = i2c2_clk;
+#endif
+	gd->enc_clk = enc_clk;
+	gd->lbiu_clk = lbiu_clk;
+	gd->lclk_clk = lclk_clk;
+	gd->mem_clk = mem_clk;
+#if defined(CONFIG_MPC8360)
+	gd->mem_sec_clk = mem_sec_clk;
+#endif
+#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832x)
+	gd->qe_clk = qe_clk;
+	gd->brg_clk = brg_clk;
+#endif
+#if defined(CONFIG_MPC837x)
+	gd->pciexp1_clk = pciexp1_clk;
+	gd->pciexp2_clk = pciexp2_clk;
+#endif
+#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
+	gd->sata_clk = sata_clk;
+#endif
+	gd->pci_clk = pci_sync_in;
+	gd->cpu_clk = gd->core_clk;
+	gd->bus_clk = gd->csb_clk;
+	return 0;
+
+}
+
+/********************************************
+ * get_bus_freq
+ * return system bus freq in Hz
+ *********************************************/
+ulong get_bus_freq(ulong dummy)
+{
+	return gd->csb_clk;
+}
+
+int do_clocks (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	char buf[32];
+
+	printf("Clock configuration:\n");
+	printf("  Core:                %-4s MHz\n", strmhz(buf, gd->core_clk));
+	printf("  Coherent System Bus: %-4s MHz\n", strmhz(buf, gd->csb_clk));
+#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832x)
+	printf("  QE:                  %-4s MHz\n", strmhz(buf, gd->qe_clk));
+	printf("  BRG:                 %-4s MHz\n", strmhz(buf, gd->brg_clk));
+#endif
+	printf("  Local Bus Controller:%-4s MHz\n", strmhz(buf, gd->lbiu_clk));
+	printf("  Local Bus:           %-4s MHz\n", strmhz(buf, gd->lclk_clk));
+	printf("  DDR:                 %-4s MHz\n", strmhz(buf, gd->mem_clk));
+#if defined(CONFIG_MPC8360)
+	printf("  DDR Secondary:       %-4s MHz\n", strmhz(buf, gd->mem_sec_clk));
+#endif
+	printf("  SEC:                 %-4s MHz\n", strmhz(buf, gd->enc_clk));
+	printf("  I2C1:                %-4s MHz\n", strmhz(buf, gd->i2c1_clk));
+#if !defined(CONFIG_MPC832x)
+	printf("  I2C2:                %-4s MHz\n", strmhz(buf, gd->i2c2_clk));
+#endif
+#if defined(CONFIG_MPC8315)
+	printf("  TDM:                 %-4s MHz\n", strmhz(buf, gd->tdm_clk));
+#endif
+#if defined(CONFIG_MPC837x)
+	printf("  SDHC:                %-4s MHz\n", strmhz(buf, gd->sdhc_clk));
+#endif
+#if defined(CONFIG_MPC834x) || defined(CONFIG_MPC831x) || defined(CONFIG_MPC837x)
+	printf("  TSEC1:               %-4s MHz\n", strmhz(buf, gd->tsec1_clk));
+	printf("  TSEC2:               %-4s MHz\n", strmhz(buf, gd->tsec2_clk));
+	printf("  USB DR:              %-4s MHz\n", strmhz(buf, gd->usbdr_clk));
+#endif
+#if defined(CONFIG_MPC834x)
+	printf("  USB MPH:             %-4s MHz\n", strmhz(buf, gd->usbmph_clk));
+#endif
+#if defined(CONFIG_MPC837x)
+	printf("  PCIEXP1:             %-4s MHz\n", strmhz(buf, gd->pciexp1_clk));
+	printf("  PCIEXP2:             %-4s MHz\n", strmhz(buf, gd->pciexp2_clk));
+#endif
+#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
+	printf("  SATA:                %-4s MHz\n", strmhz(buf, gd->sata_clk));
+#endif
+	return 0;
+}
+
+U_BOOT_CMD(clocks, 1, 0, do_clocks,
+	"print clock configuration",
+	"    clocks"
+);