diff options
author | Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> | 2012-06-21 05:55:07 (GMT) |
---|---|---|
committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-10-03 00:04:22 (GMT) |
commit | 8d811ca36a2a4096dd3ed0d64f2a22a247400737 (patch) | |
tree | 07c8f0207227fb625ea87d14f103a972384689c4 /board | |
parent | b045a23773f0b10071fb06e3364c7f21495f66b0 (diff) | |
download | u-boot-8d811ca36a2a4096dd3ed0d64f2a22a247400737.tar.xz |
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>
Diffstat (limited to 'board')
-rw-r--r-- | board/kmc/kzm9g/Makefile | 50 | ||||
-rw-r--r-- | board/kmc/kzm9g/kzm9g.c | 372 |
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) +{ +} |