Commit 807abb18 authored by Marek Vasut's avatar Marek Vasut

arm: socfpga: sysmgr: Add FPGA bits into system manager

Add missing system manager bits from Altera U-Boot to make the code
comparable. These are the bits which depend on the FPGA manager.
Signed-off-by: default avatarMarek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Tom Rini <trini@ti.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Pavel Machek <pavel@denx.de>
Acked-by: default avatarPavel Machek <pavel@denx.de>
parent abb25f4e
......@@ -14,6 +14,43 @@ DECLARE_GLOBAL_DATA_PTR;
static struct socfpga_system_manager *sysmgr_regs =
(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
/*
* Populate the value for SYSMGR.FPGAINTF.MODULE based on pinmux setting.
* The value is not wrote to SYSMGR.FPGAINTF.MODULE but
* CONFIG_SYSMGR_ISWGRP_HANDOFF.
*/
static void populate_sysmgr_fpgaintf_module(void)
{
uint32_t handoff_val = 0;
/* ISWGRP_HANDOFF_FPGAINTF */
writel(0, &sysmgr_regs->iswgrp_handoff[2]);
/* Enable the signal for those HPS peripherals that use FPGA. */
if (readl(&sysmgr_regs->nandusefpga) == SYSMGR_FPGAINTF_USEFPGA)
handoff_val |= SYSMGR_FPGAINTF_NAND;
if (readl(&sysmgr_regs->rgmii1usefpga) == SYSMGR_FPGAINTF_USEFPGA)
handoff_val |= SYSMGR_FPGAINTF_EMAC1;
if (readl(&sysmgr_regs->sdmmcusefpga) == SYSMGR_FPGAINTF_USEFPGA)
handoff_val |= SYSMGR_FPGAINTF_SDMMC;
if (readl(&sysmgr_regs->rgmii0usefpga) == SYSMGR_FPGAINTF_USEFPGA)
handoff_val |= SYSMGR_FPGAINTF_EMAC0;
if (readl(&sysmgr_regs->spim0usefpga) == SYSMGR_FPGAINTF_USEFPGA)
handoff_val |= SYSMGR_FPGAINTF_SPIM0;
if (readl(&sysmgr_regs->spim1usefpga) == SYSMGR_FPGAINTF_USEFPGA)
handoff_val |= SYSMGR_FPGAINTF_SPIM1;
/* populate (not writing) the value for SYSMGR.FPGAINTF.MODULE
based on pinmux setting */
setbits_le32(&sysmgr_regs->iswgrp_handoff[2], handoff_val);
handoff_val = readl(&sysmgr_regs->iswgrp_handoff[2]);
if (fpgamgr_test_fpga_ready()) {
/* Enable the required signals only */
writel(handoff_val, &sysmgr_regs->fpgaintfgrp_module);
}
}
/*
* Configure all the pin muxes
*/
......@@ -26,4 +63,6 @@ void sysmgr_pinmux_init(void)
writel(sys_mgr_init_table[i], regs);
regs += sizeof(regs);
}
populate_sysmgr_fpgaintf_module();
}
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