arm: rmobile: Add supoprt for KMC KZM-A9-GT board

The KZM-A9-GT board has Renesas R-Mobile SH73A0, 512MB DDR2-SDRAM,
USB, Ethernet, and more.

This patch supports the following functions:
	- 512MB DDR2-SDRAM
	- 16MB NOR Flash memory
	- Serial console (SCIF)
	- Ethernet (SMSC)
	- I2C

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

2 files changed, 422 insertions, 0 deletions

diff --git a/board/kmc/kzm9g/Makefile b/board/kmc/kzm9g/Makefile
new file mode 100644
index 0000000..bae79f5
--- /dev/null
+++ b/board/kmc/kzm9g/Makefile
@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+# (C) Copyright 2012 Renesas Solutions Corp.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS	:= kzm9g.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj) .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/kmc/kzm9g/kzm9g.c b/board/kmc/kzm9g/kzm9g.c
new file mode 100644
index 0000000..ad72c8d
--- /dev/null
+++ b/board/kmc/kzm9g/kzm9g.c
@@ -0,0 +1,372 @@
+/*
+ * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ * (C) Copyright 2012 Renesas Solutions Corp.
+ *
+ * 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 <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <netdev.h>
+#include <i2c.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define CS0BCR_D (0x06C00400)
+#define CS4BCR_D (0x06C00400)
+#define CS0WCR_D (0x55062C42)
+#define CS4WCR_D (0x19051443)
+#define CMNCR_BROMMD0   (1 << 21)
+#define CMNCR_BROMMD1   (1 << 22)
+#define CMNCR_BROMMD	(CMNCR_BROMMD0|CMNCR_BROMMD1)
+#define VCLKCR1_D	(0x27)
+
+#define SMSTPCR1_CMT0	(1 << 24)
+#define SMSTPCR1_I2C0	(1 << 16)
+#define SMSTPCR3_USB	(1 << 22)
+
+#define PORT32CR (0xE6051020)
+#define PORT33CR (0xE6051021)
+#define PORT34CR (0xE6051022)
+#define PORT35CR (0xE6051023)
+
+static int cmp_loop(u32 *addr, u32 data, u32 cmp)
+{
+	int err = -1;
+	int timeout = 100;
+	u32 value;
+
+	while (timeout > 0) {
+		value = readl(addr);
+		if ((value & data) == cmp) {
+			err = 0;
+			break;
+		}
+		timeout--;
+	}
+
+	return err;
+}
+
+/* SBSC Init function */
+static void sbsc_init(struct sh73a0_sbsc *sbsc)
+{
+	writel(readl(&sbsc->dllcnt0)|0x2, &sbsc->dllcnt0);
+	writel(0x5, &sbsc->sdgencnt);
+	cmp_loop(&sbsc->sdgencnt, 0xffffffff, 0x0);
+
+	writel(0xacc90159, &sbsc->sdcr0);
+	writel(0x00010059, &sbsc->sdcr1);
+	writel(0x50874114, &sbsc->sdwcrc0);
+	writel(0x33199b37, &sbsc->sdwcrc1);
+	writel(0x008f2313, &sbsc->sdwcrc2);
+	writel(0x31020707, &sbsc->sdwcr00);
+	writel(0x0017040a, &sbsc->sdwcr01);
+	writel(0x31020707, &sbsc->sdwcr10);
+	writel(0x0017040a, &sbsc->sdwcr11);
+	writel(0x05555555, &sbsc->sddrvcr0);
+	writel(0x30000000, &sbsc->sdwcr2);
+
+	writel(readl(&sbsc->sdpcr) | 0x80, &sbsc->sdpcr);
+	cmp_loop(&sbsc->sdpcr, 0x80, 0x80);
+
+	writel(0x00002710, &sbsc->sdgencnt);
+	cmp_loop(&sbsc->sdgencnt, 0xffffffff, 0x0);
+
+	writel(0x0000003f, &sbsc->sdmracr0);
+	writel(0x0, SDMRA1A);
+	writel(0x000001f4, &sbsc->sdgencnt);
+	cmp_loop(&sbsc->sdgencnt, 0xffffffff, 0x0);
+
+	writel(0x0000ff0a, &sbsc->sdmracr0);
+	if (sbsc == (struct sh73a0_sbsc *)SBSC1_BASE)
+		writel(0x0, SDMRA3A);
+	else
+		writel(0x0, SDMRA3B);
+
+	writel(0x00000032, &sbsc->sdgencnt);
+	cmp_loop(&sbsc->sdgencnt, 0xffffffff, 0x0);
+
+	if (sbsc == (struct sh73a0_sbsc *)SBSC1_BASE) {
+		writel(0x00002201, &sbsc->sdmracr0);
+		writel(0x0, SDMRA1A);
+		writel(0x00000402, &sbsc->sdmracr0);
+		writel(0x0, SDMRA1A);
+		writel(0x00000403, &sbsc->sdmracr0);
+		writel(0x0, SDMRA1A);
+		writel(0x0, SDMRA2A);
+	} else {
+		writel(0x00002201, &sbsc->sdmracr0);
+		writel(0x0, SDMRA1B);
+		writel(0x00000402, &sbsc->sdmracr0);
+		writel(0x0, SDMRA1B);
+		writel(0x00000403, &sbsc->sdmracr0);
+		writel(0x0, SDMRA1B);
+		writel(0x0, SDMRA2B);
+	}
+
+	writel(0x88800004, &sbsc->sdmrtmpcr);
+	writel(0x00000004, &sbsc->sdmrtmpmsk);
+	writel(0xa55a0032, &sbsc->rtcor);
+	writel(0xa55a000c, &sbsc->rtcorh);
+	writel(0xa55a2048, &sbsc->rtcsr);
+	writel(readl(&sbsc->sdcr0)|0x800, &sbsc->sdcr0);
+	writel(readl(&sbsc->sdcr1)|0x400, &sbsc->sdcr1);
+	writel(0xfff20000, &sbsc->zqccr);
+
+	/* SCBS2 only */
+	if (sbsc == (struct sh73a0_sbsc *)SBSC2_BASE) {
+		writel(readl(&sbsc->sdpdcr0)|0x00030000, &sbsc->sdpdcr0);
+		writel(0xa5390000, &sbsc->dphycnt1);
+		writel(0x00001200, &sbsc->dphycnt0);
+		writel(0x07ce0000, &sbsc->dphycnt1);
+		writel(0x00001247, &sbsc->dphycnt0);
+		cmp_loop(&sbsc->dphycnt2, 0xffffffff, 0x07ce0000);
+		writel(readl(&sbsc->sdpdcr0) & 0xfffcffff, &sbsc->sdpdcr0);
+	}
+}
+
+void s_init(void)
+{
+	struct sh73a0_rwdt *rwdt = (struct sh73a0_rwdt *)RWDT_BASE;
+	struct sh73a0_sbsc_cpg *cpg = (struct sh73a0_sbsc_cpg *)CPG_BASE;
+	struct sh73a0_sbsc_cpg_srcr *cpg_srcr =
+		(struct sh73a0_sbsc_cpg_srcr *)CPG_SRCR_BASE;
+	struct sh73a0_sbsc *sbsc1 = (struct sh73a0_sbsc *)SBSC1_BASE;
+	struct sh73a0_sbsc *sbsc2 = (struct sh73a0_sbsc *)SBSC2_BASE;
+	struct sh73a0_hpb *hpb = (struct sh73a0_hpb *)HPB_BASE;
+	struct sh73a0_hpb_bscr *hpb_bscr =
+		(struct sh73a0_hpb_bscr *)HPBSCR_BASE;
+
+	/* Watchdog init */
+	writew(0xA507, &rwdt->rwtcsra0);
+
+	/* Secure control register Init */
+	#define LIFEC_SEC_SRC_BIT	(1 << 15)
+	writel(readl(LIFEC_SEC_SRC) & ~LIFEC_SEC_SRC_BIT, LIFEC_SEC_SRC);
+
+	clrbits_le32(&cpg_srcr->srcr3, (1 << 15));
+	clrbits_le32(&cpg->smstpcr2, (1 << 18));
+	clrbits_le32(&cpg_srcr->srcr2, (1 << 18));
+	writel(0x0, &cpg->pllecr);
+
+	cmp_loop(&cpg->pllecr, 0x00000F00, 0x0);
+	cmp_loop(&cpg->frqcrb, 0x80000000, 0x0);
+
+	writel(0x2D000000, &cpg->pll0cr);
+	writel(0x17100000, &cpg->pll1cr);
+	writel(0x96235880, &cpg->frqcrb);
+	cmp_loop(&cpg->frqcrb, 0x80000000, 0x0);
+
+	writel(0xB, &cpg->flckcr);
+	clrbits_le32(&cpg->smstpcr0, (1 << 1));
+
+	clrbits_le32(&cpg_srcr->srcr0, (1 << 1));
+	writel(0x0514, &hpb_bscr->smgpiotime);
+	writel(0x0514, &hpb_bscr->smcmt2time);
+	writel(0x0514, &hpb_bscr->smcpgtime);
+	writel(0x0514, &hpb_bscr->smsysctime);
+
+	writel(0x00092000, &cpg->dvfscr4);
+	writel(0x000000DC, &cpg->dvfscr5);
+	writel(0x0, &cpg->pllecr);
+	cmp_loop(&cpg->pllecr, 0x00000F00, 0x0);
+
+	/* FRQCR Init */
+	writel(0x0012453C, &cpg->frqcra);
+	writel(0x80331350, &cpg->frqcrb);
+	cmp_loop(&cpg->frqcrb, 0x80000000, 0x0);
+	writel(0x00000B0B, &cpg->frqcrd);
+	cmp_loop(&cpg->frqcrd, 0x80000000, 0x0);
+
+	/* Clock Init */
+	writel(0x00000003, PCLKCR);
+	writel(0x0000012F, &cpg->vclkcr1);
+	writel(0x00000119, &cpg->vclkcr2);
+	writel(0x00000119, &cpg->vclkcr3);
+	writel(0x00000002, &cpg->zbckcr);
+	writel(0x00000005, &cpg->flckcr);
+	writel(0x00000080, &cpg->sd0ckcr);
+	writel(0x00000080, &cpg->sd1ckcr);
+	writel(0x00000080, &cpg->sd2ckcr);
+	writel(0x0000003F, &cpg->fsiackcr);
+	writel(0x0000003F, &cpg->fsibckcr);
+	writel(0x00000080, &cpg->subckcr);
+	writel(0x0000000B, &cpg->spuackcr);
+	writel(0x0000000B, &cpg->spuvckcr);
+	writel(0x0000013F, &cpg->msuckcr);
+	writel(0x00000080, &cpg->hsickcr);
+	writel(0x0000003F, &cpg->mfck1cr);
+	writel(0x0000003F, &cpg->mfck2cr);
+	writel(0x00000107, &cpg->dsitckcr);
+	writel(0x00000313, &cpg->dsi0pckcr);
+	writel(0x0000130D, &cpg->dsi1pckcr);
+	writel(0x2A800E0E, &cpg->dsi0phycr);
+	writel(0x1E000000, &cpg->pll0cr);
+	writel(0x2D000000, &cpg->pll0cr);
+	writel(0x17100000, &cpg->pll1cr);
+	writel(0x27000080, &cpg->pll2cr);
+	writel(0x1D000000, &cpg->pll3cr);
+	writel(0x00080000, &cpg->pll0stpcr);
+	writel(0x000120C0, &cpg->pll1stpcr);
+	writel(0x00012000, &cpg->pll2stpcr);
+	writel(0x00000030, &cpg->pll3stpcr);
+
+	writel(0x0000000B, &cpg->pllecr);
+	cmp_loop(&cpg->pllecr, 0x00000B00, 0x00000B00);
+
+	writel(0x000120F0, &cpg->dvfscr3);
+	writel(0x00000020, &cpg->mpmode);
+	writel(0x0000028A, &cpg->vrefcr);
+	writel(0xE4628087, &cpg->rmstpcr0);
+	writel(0xFFFFFFFF, &cpg->rmstpcr1);
+	writel(0x53FFFFFF, &cpg->rmstpcr2);
+	writel(0xFFFFFFFF, &cpg->rmstpcr3);
+	writel(0x00800D3D, &cpg->rmstpcr4);
+	writel(0xFFFFF3FF, &cpg->rmstpcr5);
+	writel(0x00000000, &cpg->smstpcr2);
+	writel(0x00040000, &cpg_srcr->srcr2);
+
+	clrbits_le32(&cpg->pllecr, (1 << 3));
+	cmp_loop(&cpg->pllecr, 0x00000800, 0x0);
+
+	writel(0x00000001, &hpb->hpbctrl6);
+	cmp_loop(&hpb->hpbctrl6, 0x1, 0x1);
+
+	writel(0x00001414, &cpg->frqcrd);
+	cmp_loop(&cpg->frqcrd, 0x80000000, 0x0);
+
+	writel(0x1d000000, &cpg->pll3cr);
+	setbits_le32(&cpg->pllecr, (1 << 3));
+	cmp_loop(&cpg->pllecr, 0x800, 0x800);
+
+	/* SBSC1 Init*/
+	sbsc_init(sbsc1);
+
+	/* SBSC2 Init*/
+	sbsc_init(sbsc2);
+
+	writel(0x00000b0b, &cpg->frqcrd);
+	cmp_loop(&cpg->frqcrd, 0x80000000, 0x0);
+}
+
+int board_early_init_f(void)
+{
+	struct sh73a0_sbsc_cpg *cpg = (struct sh73a0_sbsc_cpg *)CPG_BASE;
+	struct sh73a0_bsc *bsc = (struct sh73a0_bsc *)BSC_BASE;
+	struct sh73a0_sbsc_cpg_srcr *cpg_srcr =
+		(struct sh73a0_sbsc_cpg_srcr *)CPG_SRCR_BASE;
+
+	writel(CS0BCR_D, &bsc->cs0bcr);
+	writel(CS4BCR_D, &bsc->cs4bcr);
+	writel(CS0WCR_D, &bsc->cs0wcr);
+	writel(CS4WCR_D, &bsc->cs4wcr);
+
+	clrsetbits_le32(&bsc->cmncr, ~CMNCR_BROMMD, CMNCR_BROMMD);
+
+	clrbits_le32(&cpg->smstpcr1, (SMSTPCR1_CMT0|SMSTPCR1_I2C0));
+	clrbits_le32(&cpg_srcr->srcr1, (SMSTPCR1_CMT0|SMSTPCR1_I2C0));
+	clrbits_le32(&cpg->smstpcr3, SMSTPCR3_USB);
+	clrbits_le32(&cpg_srcr->srcr3, SMSTPCR3_USB);
+	writel(VCLKCR1_D, &cpg->vclkcr1);
+
+	/* Setup SCIF4 / workaround */
+	writeb(0x12, PORT32CR);
+	writeb(0x22, PORT33CR);
+	writeb(0x12, PORT34CR);
+	writeb(0x22, PORT35CR);
+
+	return 0;
+}
+
+int board_init(void)
+{
+	sh73a0_pinmux_init();
+
+    /* SCIFA 4 */
+	gpio_request(GPIO_FN_SCIFA4_TXD, NULL);
+	gpio_request(GPIO_FN_SCIFA4_RXD, NULL);
+	gpio_request(GPIO_FN_SCIFA4_RTS_, NULL);
+	gpio_request(GPIO_FN_SCIFA4_CTS_, NULL);
+
+	/* Ethernet/SMSC */
+	gpio_request(GPIO_PORT224, NULL);
+	gpio_direction_input(GPIO_PORT224);
+
+	/* SMSC/USB */
+	gpio_request(GPIO_FN_CS4_, NULL);
+
+	/* MMCIF */
+	gpio_request(GPIO_FN_MMCCLK0, NULL);
+	gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_0_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_1_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_2_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_3_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_4_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_5_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_6_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_7_PU, NULL);
+
+	/* SDHI */
+	gpio_request(GPIO_FN_SDHIWP0, NULL);
+	gpio_request(GPIO_FN_SDHICD0, NULL);
+	gpio_request(GPIO_FN_SDHICMD0, NULL);
+	gpio_request(GPIO_FN_SDHICLK0,  NULL);
+	gpio_request(GPIO_FN_SDHID0_3,  NULL);
+	gpio_request(GPIO_FN_SDHID0_2,  NULL);
+	gpio_request(GPIO_FN_SDHID0_1,  NULL);
+	gpio_request(GPIO_FN_SDHID0_0,  NULL);
+	gpio_request(GPIO_FN_SDHI0_VCCQ_MC0_ON, NULL);
+	gpio_request(GPIO_PORT15, NULL);
+	gpio_direction_output(GPIO_PORT15, 1);
+
+	/* I2C */
+	gpio_request(GPIO_FN_PORT27_I2C_SCL3, NULL);
+	gpio_request(GPIO_FN_PORT28_I2C_SDA3, NULL);
+
+	gd->bd->bi_boot_params = (CONFIG_SYS_SDRAM_BASE + 0x100);
+
+	return 0;
+}
+
+const struct rmobile_sysinfo sysinfo = {
+	CONFIG_RMOBILE_BOARD_STRING
+};
+
+int dram_init(void)
+{
+	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int ret = 0;
+#ifdef CONFIG_SMC911X
+	ret = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+	return ret;
+}
+
+void reset_cpu(ulong addr)
+{
+}