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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2022-12-11 18:54:49 +0100
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2023-01-13 09:32:32 +0100
commit02e0bec464ff3086446d4ad938e301bd85e57d89 (patch)
tree1fb1b6939d5dcff545733e828f19c51a53c5bb31 /hw
parent262502a681e3e7efc54feb93a660a768c68e3395 (diff)
hw/mips/malta: Use bootloader generator API for nanoMIPS CPUs (3/5)
Part 3/5: Convert PCI0 I/O BAR setup Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20221211204533.85359-9-philmd@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r--hw/mips/malta.c40
1 files changed, 8 insertions, 32 deletions
diff --git a/hw/mips/malta.c b/hw/mips/malta.c
index 7d0fc5d0c8..f0ed32167f 100644
--- a/hw/mips/malta.c
+++ b/hw/mips/malta.c
@@ -691,9 +691,6 @@ static void write_bootloader_nanomips(uint8_t *base, uint64_t run_addr,
/*
* Load BAR registers as done by YAMON:
- *
- * - set up PCI0 I/O BARs from 0x18000000 to 0x181fffff
- *
*/
stw_p(p++, 0xe040); stw_p(p++, 0x0681);
/* lui t1, %hi(0xb4000000) */
@@ -713,21 +710,6 @@ static void write_bootloader_nanomips(uint8_t *base, uint64_t run_addr,
stw_p(p++, 0xe020); stw_p(p++, 0x0801);
/* lui t0, %hi(0xc0000000) */
-
- /* 0x48 corresponds to GT_PCI0IOLD */
- stw_p(p++, 0x8422); stw_p(p++, 0x9048);
- /* sw t0, 0x48(t1) */
-
- stw_p(p++, 0xe020); stw_p(p++, 0x0800);
- /* lui t0, %hi(0x40000000) */
-
- /* 0x50 corresponds to GT_PCI0IOHD */
- stw_p(p++, 0x8422); stw_p(p++, 0x9050);
- /* sw t0, 0x50(t1) */
-
- stw_p(p++, 0xe020); stw_p(p++, 0x0001);
- /* lui t0, %hi(0x80000000) */
-
#else
#define cpu_to_gt32 cpu_to_be32
@@ -744,23 +726,17 @@ static void write_bootloader_nanomips(uint8_t *base, uint64_t run_addr,
stw_p(p++, 0x0020); stw_p(p++, 0x00c0);
/* addiu[32] t0, $0, 0xc0 */
-
- /* 0x48 corresponds to GT_PCI0IOLD */
- stw_p(p++, 0x8422); stw_p(p++, 0x9048);
- /* sw t0, 0x48(t1) */
-
- stw_p(p++, 0x0020); stw_p(p++, 0x0040);
- /* addiu[32] t0, $0, 0x40 */
-
- /* 0x50 corresponds to GT_PCI0IOHD */
- stw_p(p++, 0x8422); stw_p(p++, 0x9050);
- /* sw t0, 0x50(t1) */
-
- stw_p(p++, 0x0020); stw_p(p++, 0x0080);
- /* addiu[32] t0, $0, 0x80 */
#endif
v = p;
+ /* setup PCI0 io window to 0x18000000-0x181fffff */
+ bl_gen_write_u32(&v, /* GT_PCI0IOLD */
+ cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x48),
+ cpu_to_gt32(0x18000000 << 3));
+ bl_gen_write_u32(&v, /* GT_PCI0IOHD */
+ cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x50),
+ cpu_to_gt32(0x08000000 << 3));
+
/* setup PCI0 mem windows */
bl_gen_write_u32(&v, /* GT_PCI0M0LD */
cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x58),