From 9702ec00e95dbc1fd66ef8e9624c649e1ee818e5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Eddy=20Petri=C8=99or?= Date: Sun, 5 Jun 2016 03:43:00 +0300 Subject: armv8: s32v234: Introduce basic support for s32v234evb MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add initial support for NXP's S32V234 SoC and S32V234EVB board. The S32V230 family is designed to support computation-intensive applications for image processing. The S32V234, as part of the S32V230 family, is a high-performance automotive processor designed to support safe computation-intensive applications in the area of vision and sensor fusion. Code originally writen by: Original-signed-off-by: Stoica Cosmin-Stefan Original-signed-off-by: Mihaela Martinas Original-signed-off-by: Eddy Petrișor Signed-off-by: Eddy Petrișor --- board/freescale/s32v234evb/Kconfig | 23 ++ board/freescale/s32v234evb/MAINTAINERS | 8 + board/freescale/s32v234evb/Makefile | 11 + board/freescale/s32v234evb/clock.c | 344 ++++++++++++++++++++++++++++++ board/freescale/s32v234evb/lpddr2.c | 137 ++++++++++++ board/freescale/s32v234evb/s32v234evb.c | 183 ++++++++++++++++ board/freescale/s32v234evb/s32v234evb.cfg | 29 +++ 7 files changed, 735 insertions(+) create mode 100644 board/freescale/s32v234evb/Kconfig create mode 100644 board/freescale/s32v234evb/MAINTAINERS create mode 100644 board/freescale/s32v234evb/Makefile create mode 100644 board/freescale/s32v234evb/clock.c create mode 100644 board/freescale/s32v234evb/lpddr2.c create mode 100644 board/freescale/s32v234evb/s32v234evb.c create mode 100644 board/freescale/s32v234evb/s32v234evb.cfg (limited to 'board/freescale') diff --git a/board/freescale/s32v234evb/Kconfig b/board/freescale/s32v234evb/Kconfig new file mode 100644 index 0000000000..e71dfc4ab2 --- /dev/null +++ b/board/freescale/s32v234evb/Kconfig @@ -0,0 +1,23 @@ +if TARGET_S32V234EVB + +config SYS_CPU + string + default "armv8" + +config SYS_BOARD + string + default "s32v234evb" + +config SYS_VENDOR + string + default "freescale" + +config SYS_SOC + string + default "s32v234" + +config SYS_CONFIG_NAME + string + default "s32v234evb" + +endif diff --git a/board/freescale/s32v234evb/MAINTAINERS b/board/freescale/s32v234evb/MAINTAINERS new file mode 100644 index 0000000000..62b2e1b264 --- /dev/null +++ b/board/freescale/s32v234evb/MAINTAINERS @@ -0,0 +1,8 @@ +S32V234 Evaluation BOARD +M: Eddy Petrișor +S: Maintained +F: arch/arm/cpu/armv8/s32v234/ +F: arch/arm/include/asm/arch-s32v234/ +F: board/freescale/s32v234evb/ +F: include/configs/s32v234evb.h +F: configs/s32v234evb_defconfig diff --git a/board/freescale/s32v234evb/Makefile b/board/freescale/s32v234evb/Makefile new file mode 100644 index 0000000000..69e6d3e0b4 --- /dev/null +++ b/board/freescale/s32v234evb/Makefile @@ -0,0 +1,11 @@ +# +# (C) Copyright 2013-2015, Freescale Semiconductor, Inc. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := clock.o +obj-y += lpddr2.o +obj-y += s32v234evb.o + +######################################################################### diff --git a/board/freescale/s32v234evb/clock.c b/board/freescale/s32v234evb/clock.c new file mode 100644 index 0000000000..d218c21419 --- /dev/null +++ b/board/freescale/s32v234evb/clock.c @@ -0,0 +1,344 @@ +/* + * (C) Copyright 2015, Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include + +/* + * Select the clock reference for required pll. + * pll - ARM_PLL, PERIPH_PLL, ENET_PLL, DDR_PLL, VIDEO_PLL. + * refclk_freq - input referece clock frequency (FXOSC - 40 MHZ, FIRC - 48 MHZ) + */ +static int select_pll_source_clk(enum pll_type pll, u32 refclk_freq) +{ + u32 clk_src; + u32 pll_idx; + volatile struct src *src = (struct src *)SRC_SOC_BASE_ADDR; + + /* select the pll clock source */ + switch (refclk_freq) { + case FIRC_CLK_FREQ: + clk_src = SRC_GPR1_FIRC_CLK_SOURCE; + break; + case XOSC_CLK_FREQ: + clk_src = SRC_GPR1_XOSC_CLK_SOURCE; + break; + default: + /* The clock frequency for the source clock is unknown */ + return -1; + } + /* + * The hardware definition is not uniform, it has to calculate again + * the recurrence formula. + */ + switch (pll) { + case PERIPH_PLL: + pll_idx = 3; + break; + case ENET_PLL: + pll_idx = 1; + break; + case DDR_PLL: + pll_idx = 2;; + break; + default: + pll_idx = pll; + } + + writel(readl(&src->gpr1) | SRC_GPR1_PLL_SOURCE(pll_idx, clk_src), + &src->gpr1); + + return 0; +} + +static void entry_to_target_mode(u32 mode) +{ + writel(mode | MC_ME_MCTL_KEY, MC_ME_MCTL); + writel(mode | MC_ME_MCTL_INVERTEDKEY, MC_ME_MCTL); + while ((readl(MC_ME_GS) & MC_ME_GS_S_MTRANS) != 0x00000000) ; +} + +/* + * Program the pll according to the input parameters. + * pll - ARM_PLL, PERIPH_PLL, ENET_PLL, DDR_PLL, VIDEO_PLL. + * refclk_freq - input reference clock frequency (FXOSC - 40 MHZ, FIRC - 48 MHZ) + * freq - expected output frequency for PHY0 + * freq1 - expected output frequency for PHY1 + * dfs_nr - number of DFS modules for current PLL + * dfs - array with the activation dfs field, mfn and mfi + * plldv_prediv - divider of clkfreq_ref + * plldv_mfd - loop multiplication factor divider + * pllfd_mfn - numerator loop multiplication factor divider + * Please consult the PLLDIG chapter of platform manual + * before to use this function. + *) + */ +static int program_pll(enum pll_type pll, u32 refclk_freq, u32 freq0, u32 freq1, + u32 dfs_nr, u32 dfs[][DFS_PARAMS_Nr], u32 plldv_prediv, + u32 plldv_mfd, u32 pllfd_mfn) +{ + u32 i, rfdphi1, rfdphi, dfs_on = 0, fvco; + + /* + * This formula is from platform reference manual (Rev. 1, 6/2015), PLLDIG chapter. + */ + fvco = + (refclk_freq / plldv_prediv) * (plldv_mfd + + pllfd_mfn / (float)20480); + + /* + * VCO should have value in [ PLL_MIN_FREQ, PLL_MAX_FREQ ]. Please consult + * the platform DataSheet in order to determine the allowed values. + */ + + if (fvco < PLL_MIN_FREQ || fvco > PLL_MAX_FREQ) { + return -1; + } + + if (select_pll_source_clk(pll, refclk_freq) < 0) { + return -1; + } + + rfdphi = fvco / freq0; + + rfdphi1 = (freq1 == 0) ? 0 : fvco / freq1; + + writel(PLLDIG_PLLDV_RFDPHI1_SET(rfdphi1) | + PLLDIG_PLLDV_RFDPHI_SET(rfdphi) | + PLLDIG_PLLDV_PREDIV_SET(plldv_prediv) | + PLLDIG_PLLDV_MFD(plldv_mfd), PLLDIG_PLLDV(pll)); + + writel(readl(PLLDIG_PLLFD(pll)) | PLLDIG_PLLFD_MFN_SET(pllfd_mfn) | + PLLDIG_PLLFD_SMDEN, PLLDIG_PLLFD(pll)); + + /* switch on the pll in current mode */ + writel(readl(MC_ME_RUNn_MC(0)) | MC_ME_RUNMODE_MC_PLL(pll), + MC_ME_RUNn_MC(0)); + + entry_to_target_mode(MC_ME_MCTL_RUN0); + + /* Only ARM_PLL, ENET_PLL and DDR_PLL */ + if ((pll == ARM_PLL) || (pll == ENET_PLL) || (pll == DDR_PLL)) { + /* DFS clk enable programming */ + writel(DFS_CTRL_DLL_RESET, DFS_CTRL(pll)); + + writel(DFS_DLLPRG1_CPICTRL_SET(0x5) | + DFS_DLLPRG1_VSETTLCTRL_SET(0x1) | + DFS_DLLPRG1_CALBYPEN_SET(0x0) | + DFS_DLLPRG1_DACIN_SET(0x1) | DFS_DLLPRG1_LCKWT_SET(0x0) | + DFS_DLLPRG1_V2IGC_SET(0x5), DFS_DLLPRG1(pll)); + + for (i = 0; i < dfs_nr; i++) { + if (dfs[i][0]) { + writel(DFS_DVPORTn_MFI_SET(dfs[i][2]) | + DFS_DVPORTn_MFN_SET(dfs[i][1]), + DFS_DVPORTn(pll, i)); + dfs_on |= (dfs[i][0] << i); + } + } + + writel(readl(DFS_CTRL(pll)) & ~DFS_CTRL_DLL_RESET, + DFS_CTRL(pll)); + writel(readl(DFS_PORTRESET(pll)) & + ~DFS_PORTRESET_PORTRESET_SET(dfs_on), + DFS_PORTRESET(pll)); + while ((readl(DFS_PORTSR(pll)) & dfs_on) != dfs_on) ; + } + + entry_to_target_mode(MC_ME_MCTL_RUN0); + + return 0; + +} + +static void aux_source_clk_config(uintptr_t cgm_addr, u8 ac, u32 source) +{ + /* select the clock source */ + writel(MC_CGM_ACn_SEL_SET(source), CGM_ACn_SC(cgm_addr, ac)); +} + +static void aux_div_clk_config(uintptr_t cgm_addr, u8 ac, u8 dc, u32 divider) +{ + /* set the divider */ + writel(MC_CGM_ACn_DCm_DE | MC_CGM_ACn_DCm_PREDIV(divider), + CGM_ACn_DCm(cgm_addr, ac, dc)); +} + +static void setup_sys_clocks(void) +{ + + /* set ARM PLL DFS 1 as SYSCLK */ + writel((readl(MC_ME_RUNn_MC(0)) & ~MC_ME_RUNMODE_MC_SYSCLK_MASK) | + MC_ME_RUNMODE_MC_SYSCLK(0x2), MC_ME_RUNn_MC(0)); + + entry_to_target_mode(MC_ME_MCTL_RUN0); + + /* select sysclks ARMPLL, ARMPLLDFS2, ARMPLLDFS3 */ + writel(MC_ME_RUNMODE_SEC_CC_I_SYSCLK + (0x2, + MC_ME_RUNMODE_SEC_CC_I_SYSCLK1_OFFSET) | + MC_ME_RUNMODE_SEC_CC_I_SYSCLK(0x2, + MC_ME_RUNMODE_SEC_CC_I_SYSCLK2_OFFSET) + | MC_ME_RUNMODE_SEC_CC_I_SYSCLK(0x2, + MC_ME_RUNMODE_SEC_CC_I_SYSCLK3_OFFSET), + MC_ME_RUNn_SEC_CC_I(0)); + + /* setup the sys clock divider for CORE_CLK (1000MHz) */ + writel(MC_CGM_SC_DCn_DE | MC_CGM_SC_DCn_PREDIV(0x0), + CGM_SC_DCn(MC_CGM1_BASE_ADDR, 0)); + + /* setup the sys clock divider for CORE2_CLK (500MHz) */ + writel(MC_CGM_SC_DCn_DE | MC_CGM_SC_DCn_PREDIV(0x1), + CGM_SC_DCn(MC_CGM1_BASE_ADDR, 1)); + /* setup the sys clock divider for SYS3_CLK (266 MHz) */ + writel(MC_CGM_SC_DCn_DE | MC_CGM_SC_DCn_PREDIV(0x0), + CGM_SC_DCn(MC_CGM0_BASE_ADDR, 0)); + + /* setup the sys clock divider for SYS6_CLK (133 Mhz) */ + writel(MC_CGM_SC_DCn_DE | MC_CGM_SC_DCn_PREDIV(0x1), + CGM_SC_DCn(MC_CGM0_BASE_ADDR, 1)); + + entry_to_target_mode(MC_ME_MCTL_RUN0); + +} + +static void setup_aux_clocks(void) +{ + /* + * setup the aux clock divider for PERI_CLK + * (source: PERIPH_PLL_PHI_0/5, PERI_CLK - 80 MHz) + */ + aux_source_clk_config(MC_CGM0_BASE_ADDR, 5, MC_CGM_ACn_SEL_PERPLLDIVX); + aux_div_clk_config(MC_CGM0_BASE_ADDR, 5, 0, 4); + + /* setup the aux clock divider for LIN_CLK (40MHz) */ + aux_source_clk_config(MC_CGM0_BASE_ADDR, 3, MC_CGM_ACn_SEL_PERPLLDIVX); + aux_div_clk_config(MC_CGM0_BASE_ADDR, 3, 0, 1); + + /* setup the aux clock divider for ENET_TIME_CLK (50MHz) */ + aux_source_clk_config(MC_CGM0_BASE_ADDR, 7, MC_CGM_ACn_SEL_ENETPLL); + aux_div_clk_config(MC_CGM0_BASE_ADDR, 7, 1, 9); + + /* setup the aux clock divider for ENET_CLK (50MHz) */ + aux_source_clk_config(MC_CGM2_BASE_ADDR, 2, MC_CGM_ACn_SEL_ENETPLL); + aux_div_clk_config(MC_CGM2_BASE_ADDR, 2, 0, 9); + + /* setup the aux clock divider for SDHC_CLK (50 MHz). */ + aux_source_clk_config(MC_CGM0_BASE_ADDR, 15, MC_CGM_ACn_SEL_ENETPLL); + aux_div_clk_config(MC_CGM0_BASE_ADDR, 15, 0, 9); + + /* setup the aux clock divider for DDR_CLK (533MHz) and APEX_SYS_CLK (266MHz) */ + aux_source_clk_config(MC_CGM0_BASE_ADDR, 8, MC_CGM_ACn_SEL_DDRPLL); + aux_div_clk_config(MC_CGM0_BASE_ADDR, 8, 0, 0); + /* setup the aux clock divider for DDR4_CLK (133,25MHz) */ + aux_div_clk_config(MC_CGM0_BASE_ADDR, 8, 1, 3); + + entry_to_target_mode(MC_ME_MCTL_RUN0); + +} + +static void enable_modules_clock(void) +{ + /* PIT0 */ + writeb(MC_ME_PCTLn_RUNPCm(0), MC_ME_PCTL58); + /* PIT1 */ + writeb(MC_ME_PCTLn_RUNPCm(0), MC_ME_PCTL170); + /* LINFLEX0 */ + writeb(MC_ME_PCTLn_RUNPCm(0), MC_ME_PCTL83); + /* LINFLEX1 */ + writeb(MC_ME_PCTLn_RUNPCm(0), MC_ME_PCTL188); + /* ENET */ + writeb(MC_ME_PCTLn_RUNPCm(0), MC_ME_PCTL50); + /* SDHC */ + writeb(MC_ME_PCTLn_RUNPCm(0), MC_ME_PCTL93); + /* IIC0 */ + writeb(MC_ME_PCTLn_RUNPCm(0), MC_ME_PCTL81); + /* IIC1 */ + writeb(MC_ME_PCTLn_RUNPCm(0), MC_ME_PCTL184); + /* IIC2 */ + writeb(MC_ME_PCTLn_RUNPCm(0), MC_ME_PCTL186); + /* MMDC0 */ + writeb(MC_ME_PCTLn_RUNPCm(0), MC_ME_PCTL54); + /* MMDC1 */ + writeb(MC_ME_PCTLn_RUNPCm(0), MC_ME_PCTL162); + + entry_to_target_mode(MC_ME_MCTL_RUN0); +} + +void clock_init(void) +{ + unsigned int arm_dfs[ARM_PLL_PHI1_DFS_Nr][DFS_PARAMS_Nr] = { + {ARM_PLL_PHI1_DFS1_EN, ARM_PLL_PHI1_DFS1_MFN, + ARM_PLL_PHI1_DFS1_MFI}, + {ARM_PLL_PHI1_DFS2_EN, ARM_PLL_PHI1_DFS2_MFN, + ARM_PLL_PHI1_DFS2_MFI}, + {ARM_PLL_PHI1_DFS3_EN, ARM_PLL_PHI1_DFS3_MFN, + ARM_PLL_PHI1_DFS3_MFI} + }; + + unsigned int enet_dfs[ENET_PLL_PHI1_DFS_Nr][DFS_PARAMS_Nr] = { + {ENET_PLL_PHI1_DFS1_EN, ENET_PLL_PHI1_DFS1_MFN, + ENET_PLL_PHI1_DFS1_MFI}, + {ENET_PLL_PHI1_DFS2_EN, ENET_PLL_PHI1_DFS2_MFN, + ENET_PLL_PHI1_DFS2_MFI}, + {ENET_PLL_PHI1_DFS3_EN, ENET_PLL_PHI1_DFS3_MFN, + ENET_PLL_PHI1_DFS3_MFI}, + {ENET_PLL_PHI1_DFS4_EN, ENET_PLL_PHI1_DFS4_MFN, + ENET_PLL_PHI1_DFS4_MFI} + }; + + unsigned int ddr_dfs[DDR_PLL_PHI1_DFS_Nr][DFS_PARAMS_Nr] = { + {DDR_PLL_PHI1_DFS1_EN, DDR_PLL_PHI1_DFS1_MFN, + DDR_PLL_PHI1_DFS1_MFI}, + {DDR_PLL_PHI1_DFS2_EN, DDR_PLL_PHI1_DFS2_MFN, + DDR_PLL_PHI1_DFS2_MFI}, + {DDR_PLL_PHI1_DFS3_EN, DDR_PLL_PHI1_DFS3_MFN, + DDR_PLL_PHI1_DFS3_MFI} + }; + + writel(MC_ME_RUN_PCn_DRUN | MC_ME_RUN_PCn_RUN0 | MC_ME_RUN_PCn_RUN1 | + MC_ME_RUN_PCn_RUN2 | MC_ME_RUN_PCn_RUN3, MC_ME_RUN_PCn(0)); + + /* turn on FXOSC */ + writel(MC_ME_RUNMODE_MC_MVRON | MC_ME_RUNMODE_MC_XOSCON | + MC_ME_RUNMODE_MC_FIRCON | MC_ME_RUNMODE_MC_SYSCLK(0x1), + MC_ME_RUNn_MC(0)); + + entry_to_target_mode(MC_ME_MCTL_RUN0); + + program_pll(ARM_PLL, XOSC_CLK_FREQ, ARM_PLL_PHI0_FREQ, + ARM_PLL_PHI1_FREQ, ARM_PLL_PHI1_DFS_Nr, arm_dfs, + ARM_PLL_PLLDV_PREDIV, ARM_PLL_PLLDV_MFD, ARM_PLL_PLLDV_MFN); + + setup_sys_clocks(); + + program_pll(PERIPH_PLL, XOSC_CLK_FREQ, PERIPH_PLL_PHI0_FREQ, + PERIPH_PLL_PHI1_FREQ, PERIPH_PLL_PHI1_DFS_Nr, NULL, + PERIPH_PLL_PLLDV_PREDIV, PERIPH_PLL_PLLDV_MFD, + PERIPH_PLL_PLLDV_MFN); + + program_pll(ENET_PLL, XOSC_CLK_FREQ, ENET_PLL_PHI0_FREQ, + ENET_PLL_PHI1_FREQ, ENET_PLL_PHI1_DFS_Nr, enet_dfs, + ENET_PLL_PLLDV_PREDIV, ENET_PLL_PLLDV_MFD, + ENET_PLL_PLLDV_MFN); + + program_pll(DDR_PLL, XOSC_CLK_FREQ, DDR_PLL_PHI0_FREQ, + DDR_PLL_PHI1_FREQ, DDR_PLL_PHI1_DFS_Nr, ddr_dfs, + DDR_PLL_PLLDV_PREDIV, DDR_PLL_PLLDV_MFD, DDR_PLL_PLLDV_MFN); + + program_pll(VIDEO_PLL, XOSC_CLK_FREQ, VIDEO_PLL_PHI0_FREQ, + VIDEO_PLL_PHI1_FREQ, VIDEO_PLL_PHI1_DFS_Nr, NULL, + VIDEO_PLL_PLLDV_PREDIV, VIDEO_PLL_PLLDV_MFD, + VIDEO_PLL_PLLDV_MFN); + + setup_aux_clocks(); + + enable_modules_clock(); + +} diff --git a/board/freescale/s32v234evb/lpddr2.c b/board/freescale/s32v234evb/lpddr2.c new file mode 100644 index 0000000000..ecc0842bf0 --- /dev/null +++ b/board/freescale/s32v234evb/lpddr2.c @@ -0,0 +1,137 @@ +/* + * (C) Copyright 2015, Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include + +volatile int mscr_offset_ck0; + +void lpddr2_config_iomux(uint8_t module) +{ + int i; + + switch (module) { + case DDR0: + mscr_offset_ck0 = SIUL2_MSCRn(_DDR0_CKE0); + writel(LPDDR2_CLK0_PAD, SIUL2_MSCRn(_DDR0_CLK0)); + + writel(LPDDR2_CKEn_PAD, SIUL2_MSCRn(_DDR0_CKE0)); + writel(LPDDR2_CKEn_PAD, SIUL2_MSCRn(_DDR0_CKE1)); + + writel(LPDDR2_CS_Bn_PAD, SIUL2_MSCRn(_DDR0_CS_B0)); + writel(LPDDR2_CS_Bn_PAD, SIUL2_MSCRn(_DDR0_CS_B1)); + + for (i = _DDR0_DM0; i <= _DDR0_DM3; i++) + writel(LPDDR2_DMn_PAD, SIUL2_MSCRn(i)); + + for (i = _DDR0_DQS0; i <= _DDR0_DQS3; i++) + writel(LPDDR2_DQSn_PAD, SIUL2_MSCRn(i)); + + for (i = _DDR0_A0; i <= _DDR0_A9; i++) + writel(LPDDR2_An_PAD, SIUL2_MSCRn(i)); + + for (i = _DDR0_D0; i <= _DDR0_D31; i++) + writel(LPDDR2_Dn_PAD, SIUL2_MSCRn(i)); + break; + case DDR1: + writel(LPDDR2_CLK0_PAD, SIUL2_MSCRn(_DDR1_CLK0)); + + writel(LPDDR2_CKEn_PAD, SIUL2_MSCRn(_DDR1_CKE0)); + writel(LPDDR2_CKEn_PAD, SIUL2_MSCRn(_DDR1_CKE1)); + + writel(LPDDR2_CS_Bn_PAD, SIUL2_MSCRn(_DDR1_CS_B0)); + writel(LPDDR2_CS_Bn_PAD, SIUL2_MSCRn(_DDR1_CS_B1)); + + for (i = _DDR1_DM0; i <= _DDR1_DM3; i++) + writel(LPDDR2_DMn_PAD, SIUL2_MSCRn(i)); + + for (i = _DDR1_DQS0; i <= _DDR1_DQS3; i++) + writel(LPDDR2_DQSn_PAD, SIUL2_MSCRn(i)); + + for (i = _DDR1_A0; i <= _DDR1_A9; i++) + writel(LPDDR2_An_PAD, SIUL2_MSCRn(i)); + + for (i = _DDR1_D0; i <= _DDR1_D31; i++) + writel(LPDDR2_Dn_PAD, SIUL2_MSCRn(i)); + break; + } +} + +void config_mmdc(uint8_t module) +{ + unsigned long mmdc_addr = (module) ? MMDC1_BASE_ADDR : MMDC0_BASE_ADDR; + + writel(MMDC_MDSCR_CFG_VALUE, mmdc_addr + MMDC_MDSCR); + + writel(MMDC_MDCFG0_VALUE, mmdc_addr + MMDC_MDCFG0); + writel(MMDC_MDCFG1_VALUE, mmdc_addr + MMDC_MDCFG1); + writel(MMDC_MDCFG2_VALUE, mmdc_addr + MMDC_MDCFG2); + writel(MMDC_MDCFG3LP_VALUE, mmdc_addr + MMDC_MDCFG3LP); + writel(MMDC_MDOTC_VALUE, mmdc_addr + MMDC_MDOTC); + writel(MMDC_MDMISC_VALUE, mmdc_addr + MMDC_MDMISC); + writel(MMDC_MDOR_VALUE, mmdc_addr + MMDC_MDOR); + writel(_MDCTL, mmdc_addr + MMDC_MDCTL); + + writel(MMDC_MPMUR0_VALUE, mmdc_addr + MMDC_MPMUR0); + + while (readl(mmdc_addr + MMDC_MPMUR0) & MMDC_MPMUR0_FRC_MSR) { + } + + writel(MMDC_MDSCR_RST_VALUE, mmdc_addr + MMDC_MDSCR); + + /* Perform ZQ calibration */ + writel(MMDC_MPZQLP2CTL_VALUE, mmdc_addr + MMDC_MPZQLP2CTL); + writel(MMDC_MPZQHWCTRL_VALUE, mmdc_addr + MMDC_MPZQHWCTRL); + while (readl(mmdc_addr + MMDC_MPZQHWCTRL) & MMDC_MPZQHWCTRL_ZQ_HW_FOR) { + } + + /* Enable MMDC with CS0 */ + writel(_MDCTL + 0x80000000, mmdc_addr + MMDC_MDCTL); + + /* Complete the initialization sequence as defined by JEDEC */ + writel(MMDC_MDSCR_MR1_VALUE, mmdc_addr + MMDC_MDSCR); + writel(MMDC_MDSCR_MR2_VALUE, mmdc_addr + MMDC_MDSCR); + writel(MMDC_MDSCR_MR3_VALUE, mmdc_addr + MMDC_MDSCR); + writel(MMDC_MDSCR_MR10_VALUE, mmdc_addr + MMDC_MDSCR); + + /* Set the amount of DRAM */ + /* Set DQS settings based on board type */ + + switch (module) { + case MMDC0: + writel(MMDC_MDASP_MODULE0_VALUE, mmdc_addr + MMDC_MDASP); + writel(MMDC_MPRDDLCTL_MODULE0_VALUE, + mmdc_addr + MMDC_MPRDDLCTL); + writel(MMDC_MPWRDLCTL_MODULE0_VALUE, + mmdc_addr + MMDC_MPWRDLCTL); + writel(MMDC_MPDGCTRL0_MODULE0_VALUE, + mmdc_addr + MMDC_MPDGCTRL0); + writel(MMDC_MPDGCTRL1_MODULE0_VALUE, + mmdc_addr + MMDC_MPDGCTRL1); + break; + case MMDC1: + writel(MMDC_MDASP_MODULE1_VALUE, mmdc_addr + MMDC_MDASP); + writel(MMDC_MPRDDLCTL_MODULE1_VALUE, + mmdc_addr + MMDC_MPRDDLCTL); + writel(MMDC_MPWRDLCTL_MODULE1_VALUE, + mmdc_addr + MMDC_MPWRDLCTL); + writel(MMDC_MPDGCTRL0_MODULE1_VALUE, + mmdc_addr + MMDC_MPDGCTRL0); + writel(MMDC_MPDGCTRL1_MODULE1_VALUE, + mmdc_addr + MMDC_MPDGCTRL1); + break; + } + + writel(MMDC_MDRWD_VALUE, mmdc_addr + MMDC_MDRWD); + writel(MMDC_MDPDC_VALUE, mmdc_addr + MMDC_MDPDC); + writel(MMDC_MDREF_VALUE, mmdc_addr + MMDC_MDREF); + writel(MMDC_MPODTCTRL_VALUE, mmdc_addr + MMDC_MPODTCTRL); + writel(MMDC_MDSCR_DEASSERT_VALUE, mmdc_addr + MMDC_MDSCR); + +} diff --git a/board/freescale/s32v234evb/s32v234evb.c b/board/freescale/s32v234evb/s32v234evb.c new file mode 100644 index 0000000000..3100f09ef8 --- /dev/null +++ b/board/freescale/s32v234evb/s32v234evb.c @@ -0,0 +1,183 @@ +/* + * (C) Copyright 2013-2015, Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +void setup_iomux_ddr(void) +{ + lpddr2_config_iomux(DDR0); + lpddr2_config_iomux(DDR1); + +} + +void ddr_phy_init(void) +{ +} + +void ddr_ctrl_init(void) +{ + config_mmdc(0); + config_mmdc(1); +} + +int dram_init(void) +{ + setup_iomux_ddr(); + + ddr_ctrl_init(); + + gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); + + return 0; +} + +static void setup_iomux_uart(void) +{ + /* Muxing for linflex */ + /* Replace the magic values after bringup */ + + /* set TXD - MSCR[12] PA12 */ + writel(SIUL2_UART_TXD, SIUL2_MSCRn(SIUL2_UART0_TXD_PAD)); + + /* set RXD - MSCR[11] - PA11 */ + writel(SIUL2_UART_MSCR_RXD, SIUL2_MSCRn(SIUL2_UART0_MSCR_RXD_PAD)); + + /* set RXD - IMCR[200] - 200 */ + writel(SIUL2_UART_IMCR_RXD, SIUL2_IMCRn(SIUL2_UART0_IMCR_RXD_PAD)); +} + +static void setup_iomux_enet(void) +{ +} + +static void setup_iomux_i2c(void) +{ +} + +#ifdef CONFIG_SYS_USE_NAND +void setup_iomux_nfc(void) +{ +} +#endif + +#ifdef CONFIG_FSL_ESDHC +struct fsl_esdhc_cfg esdhc_cfg[1] = { + {USDHC_BASE_ADDR}, +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + /* eSDHC1 is always present */ + return 1; +} + +int board_mmc_init(bd_t * bis) +{ + esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_USDHC_CLK); + + /* Set iomux PADS for USDHC */ + + /* PK6 pad: uSDHC clk */ + writel(SIUL2_USDHC_PAD_CTRL_CLK, SIUL2_MSCRn(150)); + writel(0x3, SIUL2_MSCRn(902)); + + /* PK7 pad: uSDHC CMD */ + writel(SIUL2_USDHC_PAD_CTRL_CMD, SIUL2_MSCRn(151)); + writel(0x3, SIUL2_MSCRn(901)); + + /* PK8 pad: uSDHC DAT0 */ + writel(SIUL2_USDHC_PAD_CTRL_DAT0_3, SIUL2_MSCRn(152)); + writel(0x3, SIUL2_MSCRn(903)); + + /* PK9 pad: uSDHC DAT1 */ + writel(SIUL2_USDHC_PAD_CTRL_DAT0_3, SIUL2_MSCRn(153)); + writel(0x3, SIUL2_MSCRn(904)); + + /* PK10 pad: uSDHC DAT2 */ + writel(SIUL2_USDHC_PAD_CTRL_DAT0_3, SIUL2_MSCRn(154)); + writel(0x3, SIUL2_MSCRn(905)); + + /* PK11 pad: uSDHC DAT3 */ + writel(SIUL2_USDHC_PAD_CTRL_DAT0_3, SIUL2_MSCRn(155)); + writel(0x3, SIUL2_MSCRn(906)); + + /* PK15 pad: uSDHC DAT4 */ + writel(SIUL2_USDHC_PAD_CTRL_DAT4_7, SIUL2_MSCRn(159)); + writel(0x3, SIUL2_MSCRn(907)); + + /* PL0 pad: uSDHC DAT5 */ + writel(SIUL2_USDHC_PAD_CTRL_DAT4_7, SIUL2_MSCRn(160)); + writel(0x3, SIUL2_MSCRn(908)); + + /* PL1 pad: uSDHC DAT6 */ + writel(SIUL2_USDHC_PAD_CTRL_DAT4_7, SIUL2_MSCRn(161)); + writel(0x3, SIUL2_MSCRn(909)); + + /* PL2 pad: uSDHC DAT7 */ + writel(SIUL2_USDHC_PAD_CTRL_DAT4_7, SIUL2_MSCRn(162)); + writel(0x3, SIUL2_MSCRn(910)); + + return fsl_esdhc_initialize(bis, &esdhc_cfg[0]); +} +#endif + +static void mscm_init(void) +{ + struct mscm_ir *mscmir = (struct mscm_ir *)MSCM_BASE_ADDR; + int i; + + for (i = 0; i < MSCM_IRSPRC_NUM; i++) + writew(MSCM_IRSPRC_CPn_EN, &mscmir->irsprc[i]); +} + +int board_phy_config(struct phy_device *phydev) +{ + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +int board_early_init_f(void) +{ + clock_init(); + mscm_init(); + + setup_iomux_uart(); + setup_iomux_enet(); + setup_iomux_i2c(); +#ifdef CONFIG_SYS_USE_NAND + setup_iomux_nfc(); +#endif + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + return 0; +} + +int checkboard(void) +{ + puts("Board: s32v234evb\n"); + + return 0; +} diff --git a/board/freescale/s32v234evb/s32v234evb.cfg b/board/freescale/s32v234evb/s32v234evb.cfg new file mode 100644 index 0000000000..6017a404dd --- /dev/null +++ b/board/freescale/s32v234evb/s32v234evb.cfg @@ -0,0 +1,29 @@ +/* + * (C) Copyright 2013-2015, Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Refer docs/README.imxmage for more details about how-to configure + * and create imximage boot image + * + * The syntax is taken as close as possible with the kwbimage + */ +#include + +/* image version */ +IMAGE_VERSION 2 +BOOT_FROM sd + + +/* + * Boot Device : one of qspi, sd: + * qspi: flash_offset: 0x1000 + * sd/mmc: flash_offset: 0x1000 + */ + + +#ifdef CONFIG_SECURE_BOOT +SECURE_BOOT +#endif -- cgit v1.2.1