From 3265f41fc7d988276c672e4bdc46ae60713f141c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Sun, 11 Dec 2022 18:47:21 +0100 Subject: hw/mips/malta: Use bootloader generator API for nanoMIPS CPUs (4/5) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Part 4/5: Convert GT64120 ISD base address setup Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20221211204533.85359-10-philmd@linaro.org> --- hw/mips/malta.c | 40 +++++++--------------------------------- 1 file changed, 7 insertions(+), 33 deletions(-) (limited to 'hw/mips') diff --git a/hw/mips/malta.c b/hw/mips/malta.c index f0ed321..e618513 100644 --- a/hw/mips/malta.c +++ b/hw/mips/malta.c @@ -689,46 +689,20 @@ static void write_bootloader_nanomips(uint8_t *base, uint64_t run_addr, stw_p(p++, 0x80e7); stw_p(p++, NM_LO(loaderparams.ram_low_size)); /* ori a3,a3,%lo(loaderparams.ram_low_size) */ - /* - * Load BAR registers as done by YAMON: - */ - stw_p(p++, 0xe040); stw_p(p++, 0x0681); - /* lui t1, %hi(0xb4000000) */ - #if TARGET_BIG_ENDIAN #define cpu_to_gt32 cpu_to_le32 - - stw_p(p++, 0xe020); stw_p(p++, 0x0be1); - /* lui t0, %hi(0xdf000000) */ - - /* 0x68 corresponds to GT_ISD (from hw/mips/gt64xxx_pci.c) */ - stw_p(p++, 0x8422); stw_p(p++, 0x9068); - /* sw t0, 0x68(t1) */ - - stw_p(p++, 0xe040); stw_p(p++, 0x077d); - /* lui t1, %hi(0xbbe00000) */ - - stw_p(p++, 0xe020); stw_p(p++, 0x0801); - /* lui t0, %hi(0xc0000000) */ #else #define cpu_to_gt32 cpu_to_be32 - - stw_p(p++, 0x0020); stw_p(p++, 0x00df); - /* addiu[32] t0, $0, 0xdf */ - - /* 0x68 corresponds to GT_ISD */ - stw_p(p++, 0x8422); stw_p(p++, 0x9068); - /* sw t0, 0x68(t1) */ - - /* Use kseg2 remapped address 0x1be00000 */ - stw_p(p++, 0xe040); stw_p(p++, 0x077d); - /* lui t1, %hi(0xbbe00000) */ - - stw_p(p++, 0x0020); stw_p(p++, 0x00c0); - /* addiu[32] t0, $0, 0xc0 */ #endif v = p; + /* setup MEM-to-PCI0 mapping as done by YAMON */ + + /* move GT64120 registers from 0x14000000 to 0x1be00000 */ + bl_gen_write_u32(&v, /* GT_ISD */ + cpu_mips_phys_to_kseg1(NULL, 0x14000000 + 0x68), + cpu_to_gt32(0x1be00000 << 3)); + /* setup PCI0 io window to 0x18000000-0x181fffff */ bl_gen_write_u32(&v, /* GT_PCI0IOLD */ cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x48), -- cgit v1.1